Maintenance linkage mechanism and air conditioning equipment with same

By designing a maintenance linkage mechanism, which uses gears and racks to rotate the parts to be maintained, the problem of installing and maintaining air conditioning equipment in confined spaces is solved, and convenient maintenance operations are achieved without occupying extra space.

CN223726550UActive Publication Date: 2025-12-26GUANG DONG BROAN IAQ SYST CO LTD
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Patent Information

Application Number
CN202423166757.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-26
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing air conditioning equipment is difficult to install and maintain in confined spaces, requiring a larger ceiling space for maintenance.

Method used

A maintenance linkage mechanism was designed. Through the meshing motion of gears and racks, the turntable of the part to be inspected is driven to rotate, so that the maintenance door can rotate the part to be inspected to the maintenance port position without occupying extra space, and automatically lock it through the locking mechanism, simplifying maintenance operations.

Benefits of technology

This expands the applicability of air conditioning equipment, enabling installation in confined spaces, simplifying maintenance procedures, and reducing the need for additional space.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of air conditioning equipment, and discloses an overhaul linkage mechanism and air conditioning equipment with the overhaul linkage mechanism, and the overhaul linkage mechanism comprises an overhaul door which is connected to equipment to be overhauled and used for opening or closing an overhaul port; the to-be-overhauled part turntable is used for loading a to-be-overhauled part and is rotatably fixed on the to-be-overhauled equipment, and teeth are arranged on the to-be-overhauled part turntable; the intermediate gear is rotatably fixed on the to-be-overhauled equipment and is meshed with the teeth on the to-be-overhauled piece turntable; a rack meshed with the intermediate gear is arranged on the access door, the access door can move along a straight line, then the intermediate gear drives the to-be-overhauled part rotating disc to rotate, and therefore the to-be-overhauled part is rotated to the access opening by moving the access door. And when the access door is completely opened, the to-be-overhauled part turntable just rotates the to-be-overhauled part to the position of the access hole. Therefore, opening of the access door does not occupy extra space, the application range of the air conditioning equipment is expanded, and the air conditioning equipment can be installed in a narrow space.
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Description

TECHNICAL FIELD

[0001] The present disclosure relates to a maintenance linkage mechanism and an air conditioning device having the same, and more particularly, to a maintenance linkage mechanism that saves space and is easy to maintain and an air conditioning device having the same. BACKGROUND

[0002] The background description provided herein is for the purpose of generally presenting the context of the disclosure. The work of the presently named inventors, to the extent the work is described in this background section, as well as aspects of the description that can not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present disclosure.

[0003] Air conditioning devices, such as fresh air machines, fresh air air conditioners, fresh air dehumidifiers, fresh air humidifiers, and fresh air heat exchangers, collectively referred to as fresh air air conditioners, are a type of air conditioning device that can introduce fresh air from the outdoors and can perform cooling, heating, dehumidification, humidification, and purification on the introduced air to make the air more comfortable and healthy.

[0004] Such products generally require a large square maintenance opening to be formed below the device or on the side to maintain the square filter screen. Therefore, a large ceiling space is required to ensure that the device can be maintained, which results in many small spaces being unable to install such products.

[0005] Therefore, there is an urgent need for an air conditioning device that can be installed in a small space. SUMMARY

[0006] The present disclosure provides a maintenance linkage mechanism, which includes a maintenance door connected to a device to be maintained for opening or closing a maintenance opening, a turntable for loading a part to be maintained and rotatably fixed to the device to be maintained, and a gear provided on the turntable, an intermediate gear rotatably fixed to the device to be maintained and engaged with the gear on the turntable, and a rack provided on the maintenance door and engaged with the intermediate gear, the maintenance door being able to move in a straight line, thereby rotating the turntable for the part to be maintained through the intermediate gear, and rotating the part to be maintained to the maintenance opening by moving the maintenance door.

[0007] In an embodiment of the present application, the turntable for the part to be maintained includes a gear disc and a part-to-be-maintained mounting disc, and the gear disc is rotatably fixed to a rotating disc on the device to be maintained.

[0008] In an embodiment of the present application, a rotating disc bottom plate is further provided on the device to be maintained, a rotating disc shaft is fixed on the rotating disc bottom plate, and the rotating disc rotates around the rotating disc shaft on the rotating disc bottom plate through balls.

[0009] In one embodiment of the present application, the installation plate to be overhauled is engaged with the intermediate gear through the teeth on the gear plate, and the intermediate gear is engaged with the rack on the access door, which is arranged on the frame of the access door.

[0010] In one embodiment of the present application, the access door further comprises an access door support plate connected with the guide rail slide plate on the equipment to be overhauled, so that the access door can move linearly on the equipment to be overhauled.

[0011] In one embodiment of the present application, the overhauling linkage further comprises a locking component, which comprises an access door latch arranged on the access door and a locking mechanism arranged on the equipment to be overhauled, and the access door latch and the locking mechanism can be interlocked.

[0012] In one embodiment of the present application, the locking mechanism is fixed on the locking support plate through the elastic member, and the locking mechanism 2 rotates on the support through the pin shaft, and the support and the locking support plate are both fixed on the equipment to be overhauled.

[0013] In one embodiment of the present application, the overhauled part is in the shape of a circular arc, the arc length of the circular arc is L1, the length of the rack is L2, and the circumference of the installation plate of the overhauled part is C, and the arc length of the circular arc, the length of the rack and the circumference of the installation plate of the overhauled part satisfy the following relationship:

[0014] L1 ≤ 0.25C < L2.

[0015] In one embodiment of the present application, the arc length of the largest circular arc of the overhauled part is L1, the central angle n corresponding to the arc length L1, the length of the equipment access opening is L0, and the length of the rack is L2, and the arc length of the largest circular arc, the central angle, the length of the equipment access opening and the length of the rack satisfy the following relationship:

[0016]

[0017] The present application also provides an air conditioning device, which comprises the access door linkage as described above, and further comprises an air filter, a heat exchanger and a fan assembly.

[0018] By the maintenance linkage mechanism of the present application, the maintenance door can be moved along the guide rail groove to be opened, and in the process of movement, the to-be-maintained part, such as the filter screen rotating disc, is driven to rotate by the meshing movement of the rack and pinion. When the maintenance door is completely opened, the to-be-maintained part rotating disc just rotates the to-be-maintained part to the position of the maintenance opening. Therefore, the opening of the maintenance door does not occupy extra space, expands the application range of the air conditioning equipment, and makes it possible to install such equipment in a narrow space. The maintenance linkage mechanism can make the to-be-maintained part rotate synchronously to the maintenance opening position when the maintenance door is opened, facilitating the maintenance and replacement of the to-be-maintained part. When the maintenance door is moved to the closed position, it can be automatically locked by the locking mechanism without the aid of other tools or additional manual operation, simplifying the operation process of the maintenance.

[0019] These and other aspects of the present disclosure will become apparent from the following description of the preferred embodiment taken in conjunction with the accompanying drawings, which describe the principles of the disclosure in accordance with the best mode and to enable any person skilled in the art to benefit from the advantages of the principles of the disclosure. However, variations and modifications can be made to the disclosed embodiment without departing from the spirit and scope of the novel concepts of the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present disclosure will be more fully understood from the following detailed description, taken in conjunction with the accompanying drawings, in which one or more embodiments of the disclosure are shown by way of illustration. These drawings are intended to be illustrative and not limiting. These drawings show one or more embodiments of the disclosure and, together with the written description, serve to explain the principles of the disclosure. Wherever possible, the same reference numbers used in all drawings refer to the same or similar elements throughout the drawings, and in which:

[0021] Figure 1 is a schematic view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure.

[0022] Figure 2 is a side view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure.

[0023] Figure 3 is a partial enlarged view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure.

[0024] Figure 4 is another partial enlarged view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure.

[0025] Figure 5 is a partial enlarged view of a locking component of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure.

[0026] Figure 6 is a view of the relationship between the components of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0027] The present disclosure will now be described more fully with reference to the accompanying drawings, which illustrate exemplary embodiments of the present disclosure. However, the present disclosure may be implemented in various ways and should not be construed as limited to the embodiments described herein. These embodiments are provided to make the disclosure more thorough and complete, and to fully convey the scope of the disclosure to those skilled in the art. In the drawings, the thickness and area of ​​layers may be enlarged for clarity. Throughout the specification, the same reference numerals are used to denote the same elements. For different embodiments, elements may have different relationships and different positions.

[0028] This application discloses a maintenance linkage mechanism for air conditioning equipment. The maintenance door of this mechanism can be opened by moving along a guide rail groove. During this movement, the meshing motion of a rack and pinion drives the component to be maintained, such as a filter turntable, to rotate. When the maintenance door is fully open, the turntable rotates the component to be maintained to the maintenance port position. Therefore, opening the maintenance door does not occupy additional space, expanding the applicability of the air conditioning equipment and allowing such equipment to be installed even in confined spaces.

[0029] Figure 1 This is a schematic view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. Figure 2 This is a side view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. Figure 3 This is a partial enlarged view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. Figure 4 This is another enlarged view of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. Figure 5 This is a partial enlarged view of the locking component of a maintenance linkage mechanism according to an exemplary embodiment of the present disclosure. Figure 6 This is a view showing the relationship between the components of a maintenance linkage mechanism according to an exemplary embodiment of this disclosure.

[0030] like Figures 1 to 6 As shown, the maintenance linkage mechanism includes: a maintenance door 4, connected to the equipment to be maintained, used to open or close the maintenance port; a maintenance turntable 3, used to load the maintenance parts and rotatably fixed to the equipment to be maintained, and the maintenance turntable 3 is provided with teeth; an intermediate gear 5, rotatably fixed to the equipment to be maintained and meshing with the teeth on the maintenance turntable 3; a rack 4-2 on the maintenance door 4 that meshes with the intermediate gear 5, the maintenance door 4 can move along a straight line, thereby driving the maintenance turntable 3 to rotate through the intermediate gear 5, thus rotating the maintenance parts to the maintenance port by moving the maintenance door 4.

[0031] In a preferred embodiment, the part to be repaired can be a component that needs to be replaced, such as a pre-filter screen and a high-efficiency filter screen. The pre-filter screen 6 and the high-efficiency filter screen 7 of the equipment to be repaired can be rotated under the traction of the rotating disc 3, and the rotation of the rotating disc 3 is driven by the linear movement of the access door 4. Thus, through the linear movement of the access door, the rotation of the intermediate gear 5 is driven, the rotating disc 3 of the part to be repaired is driven by the intermediate gear 5, and finally the part to be repaired is rotated to the repair opening.

[0032] The opening of the access door 4 does not occupy additional space, expands the application range of the equipment, and enables the equipment to be installed in a narrow space. The linkage mechanism can make the filter screen rotate synchronously to the repair opening position when the access door 4 is opened, facilitating the maintenance and replacement of the filter screen. When the access door 4 is moved to the closed position, it can be automatically locked by the locking mechanism without the need for other tools or additional manual operation, simplifying the operation process of the repair.

[0033] In an embodiment of the present application, as shown in Figures 1 to 6 The rotating disc 3-1 is used to transmit motion by the teeth thereon, and the rotating disc 3-1 is rotatably fixed to the rotating disc 2-5 on the equipment to be repaired. The part-to-be-repaired mounting disc 3-2 is used to carry the parts to be repaired, such as the pre-filter screen 6 and the high-efficiency filter screen 7.

[0034] In an embodiment of the present application, as shown in Figures 1 to 6 The rotating disc 2-5 rotates around the rotating shaft 2-3 on the rotating disc bottom plate 2-2 through the balls, in other words, the rotating disc 2-5 rotates around the rotating shaft 2-3 on the rotating disc bottom plate 2-2 through the balls, and the motion is transmitted to the part-to-be-repaired rotating disc through the gear disc 3-1. The balls on the rotating disc 2-5 can be arranged in one circle around the rotating shaft.

[0035] In an embodiment of the present application, as shown in Figures 1 to 6 When the gear disc 3-1 of the part-to-be-repaired rotating disc rotates through the rotation of the rotating disc 2-5, the gear disc 3-1 can drive the intermediate gear 5 to move through the engagement of the teeth on the gear disc 3-1 with the intermediate gear 5, the intermediate gear 5 engages with the rack 4-2 on the access door 4, and the rotation of the intermediate gear 5 is converted into the movement of the rack 4-2, which is arranged on the frame of the access door 4. Conversely, the rotation of the intermediate gear 5 is converted into the movement of the rack 4-2, which is arranged on the frame of the access door 4.

[0036] In an embodiment of the present application, as shown in Figures 1 to 6As shown, the access door 4 further comprises an access door support plate 4-3 connected with the guide rail slide plate 2-10 on the equipment to be maintained, so that the access door 4 can move linearly on the equipment to be maintained. The access door support plate 4-3 is fixed on the access door frame 4-1 and connected with the guide rail slide plate 2-10. The guide rail slide plate 2-10 can move on the slide groove bottom plate 2-8 through the ball bearing 2-9. The upper and lower slide groove rails of the access door 4 are of the same structure.

[0037] In an embodiment of the present application, as shown in Figures 1 to 6 The access door linkage further comprises a locking component, which comprises an access door latch fixed on the access door 4 and a locking mechanism fixed on the equipment to be maintained. Preferably, the access door latch 4-4 is fixed on a mounting plate 4-5, and the mounting plate 4-5 is fixed on the access door frame 4-1. The access door latch 4-4 can interlock with the locking mechanism 2-14.

[0038] In an embodiment of the present application, as shown in Figures 1 to 6 The locking mechanism 2-14 is fixed on a locking support plate 2-16 through an elastic device 2-15, and the locking mechanism 2-14 can rotate on a support 2-11 through a pin shaft 2-12. The support 2-11 and the locking support plate 2-16 are both fixed on the equipment frame 2-1.

[0039] The end of the access door latch 4-4 is provided with a buckle, and the locking mechanism 2-14 is provided with a stop end portion matched with the buckle. As shown, the side of the stop end portion facing the access door latch is a bevel, and the other side is a vertical surface, so as to better lock with the buckle. During the movement of the access door 4, the buckle of the access door latch 4-4 slides through the bevel of the stop end portion and is locked with the vertical surface.

[0040] In an embodiment of the present application, as shown in Figures 1 to 6 The arc length of the largest arc of the equipment to be maintained is L1, for example, the arc length L1 of the largest arc of the high-efficiency filter screen 7, the central angle n corresponding to the arc length L1, the length of the equipment access opening is L0, the length of the rack 4-2 is L2, and the arc length of the largest arc, the central angle, the length of the equipment access opening, and the length of the rack 4-2 satisfy the following relationship:

[0041] L1 ≤ 0.25C < L2.

[0042] In an embodiment of the present application, as shown in Figures 1 to 6 The arc length of the largest arc of the equipment to be maintained is L1, for example, the arc length L1 of the largest arc of the high-efficiency filter screen 7, the central angle n corresponding to the arc length L1, the length of the equipment access opening is L0, the length of the rack 4-2 is L2, and the arc length of the largest arc, the central angle, the length of the equipment access opening, and the length of the rack 4-2 satisfy the following relationship:

[0043]

[0044] The present application also provides an air conditioning device comprising the access door linkage mechanism as described above, the air conditioning device further comprising an air filter, a heat exchanger and a fan assembly. The air conditioning device can be a fresh air fan, a fresh air air conditioner, a fresh air dehumidifier, a fresh air humidifier or a fresh air heat exchanger. As shown in the figure, for example, the fresh air fan can comprise a fresh air inlet 1, a device body 2, a filter screen turntable 3, an access door 4, an intermediate gear 5, a primary filter screen 6, a high-efficiency filter screen 7, a fan assembly 8 and a fresh air outlet 9.

[0045] The terminology used herein is for the purpose of illustrating the exemplary aspects only and is not intended to be limiting of the aspects of the present disclosure. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Also, the terms "comprises," "comprising," "includes," and / or "including," when used herein, specify the presence of stated shapes, numerals, steps, operations, members, elements, and / or groups thereof, but do not preclude the presence or addition of one or more other shapes, numerals, steps, operations, members, elements, and / or groups thereof.

[0046] As used herein, the terms "first," "second," and so on are used to describe various components, assemblies, regions, and / or portions. These terms are used only to distinguish one component, assembly, region, layer, or portion from another component, assembly, region, or portion. Thus, a component, assembly, region, layer, or portion to be described as a first component, assembly, region, layer, or portion can also refer to a second component, assembly, region, or portion without departing from the scope of the present disclosure.

[0047] The above description of the exemplary embodiments of the present disclosure is presented for the purpose of illustration and description only, and is not intended to be exhaustive or to limit the present disclosure to the precise forms described. Many modifications and variations are possible in light of the above teachings. The embodiments were chosen and described in order to explain the principles of the present disclosure and its practical application to thereby enable others skilled in the art to best utilize the present disclosure and various embodiments with various modifications as are suited to the particular use contemplated. Alternative embodiments will become apparent to those skilled in the art to which the present disclosure pertains without departing from the scope of the present disclosure. Accordingly, the scope of the present disclosure is defined by the appended claims rather than by the foregoing description and exemplary embodiments describing examples of the present disclosure.

Claims

1. An inspection linkage mechanism, characterized by, The overhaul linkage mechanism comprises: An overhaul door connected to the equipment to be overhauled for opening or closing the overhaul opening; An overhaul part turntable for loading the overhaul part and rotatably fixed to the equipment to be overhauled, and the overhaul part turntable is provided with a gear; An intermediate gear rotatably fixed to the equipment to be overhauled and engaged with the gear on the overhaul part turntable; The overhaul door is provided with a rack engaged with the intermediate gear, and the overhaul door can move linearly to drive the overhaul part turntable to rotate through the intermediate gear, so that the overhaul part is rotated to the overhaul opening by moving the overhaul door.

2. The service linkage of claim 1 wherein, The overhaul turntable comprises a gear disc and an overhaul part mounting disc, and the gear disc is rotatably fixed to the rotating disc on the equipment to be overhauled.

3. The service linkage of claim 2, wherein, The rotating disc rotates around the rotating disc shaft on the rotating disc bottom plate through the ball bearings.

4. The service linkage of claim 3 wherein, The intermediate gear is engaged with the rack on the frame of the overhaul door.

5. The service linkage of claim 4 wherein, The overhaul door further comprises an overhaul door support plate connected to the guide rail slide plate on the equipment to be overhauled to enable the linear movement of the overhaul door on the equipment to be overhauled.

6. The service linkage of claim 1, wherein, The overhaul linkage mechanism further comprises a locking component comprising an overhaul door latch on the overhaul door and a locking mechanism on the equipment to be overhauled, and the latch and the locking mechanism can be interlocked.

7. The service linkage of claim 6 wherein, The locking mechanism is fixed to the locking support plate through the elastic member, and the locking mechanism rotates on the support through the pin shaft, and the support and the locking support plate are fixed to the equipment to be overhauled.

8. The service linkage of claim 1, wherein, The overhaul part is in the shape of a circular arc, the arc length of the circular arc is L1, the length of the rack is L2, the circumference of the overhaul part mounting disc is C, and the arc length of the circular arc, the length of the rack and the circumference of the overhaul part mounting disc satisfy the following relationship: L1 ≤ 0.25C < L2.

9. The service linkage of claim 8 wherein, The maximum arc length of the overhaul part is L1, the central angle n corresponding to the arc length L1, the length of the equipment overhaul opening is L0, the length of the rack is L2, and the maximum arc length, the central angle, the length of the equipment overhaul opening and the length of the rack satisfy the following relationship: 。 10. An air conditioning apparatus characterized by comprising: The air conditioning equipment comprises the overhaul door linkage mechanism according to any one of claims 1-9, and further comprises an air filter, a heat exchanger and a fan assembly.