Constant-temperature and constant-humidity air conditioning unit convenient for later maintenance of personnel

Abstract

The invention belongs to the field of constant-temperature and constant-humidity air conditioning units, and provides a constant-temperature and constant-humidity air conditioning unit convenient for later maintenance of personnel, the constant-temperature and constant-humidity air conditioning unit comprises an air conditioning unit shell, a mounting through groove is formed in the lower part of the outer wall of one side of the air conditioning unit shell, a butt joint mechanism is arranged in an inner cavity of the mounting through groove, and the butt joint mechanism comprises an outer frame; according to the air conditioning unit, the door plate with the butt joint block is arranged on the air conditioning unit shell, and the butt joint mechanism matched with the limiting through groove in the outer frame is arranged, so that the rear cover plate can be detached and accurately positioned, the problem that a traditional riveting structure can be overhauled only by detaching internal parts from the front side is solved, the maintenance efficiency is improved, and the maintenance cost is reduced. Through linkage of a transmission gear, a rack and an inserting rod in the locking mechanism and a long rod, a first belt wheel, a transmission belt, a first bevel gear and a second bevel gear in the synchronous control mechanism, multi-point synchronous locking and releasing are achieved, the sealing performance and the rapid disassembly and assembly requirement are both considered, and a sliding block and a sliding groove are matched to ensure that the inserting rod moves stably.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of constant temperature and humidity air conditioning units, in particular to a constant temperature and humidity air conditioning unit convenient for personnel later maintenance. BACKGROUND

[0002] The constant temperature and humidity air conditioning unit is a special air conditioning equipment that can accurately control and stably maintain the environmental temperature and relative humidity, and is widely used in the industrial and scientific research fields with strict environmental conditions. It not only has the refrigeration and heating functions of ordinary air conditioners, but also integrates humidification, dehumidification, air purification, and intelligent control systems, and can automatically adjust the air state according to the set parameters to ensure that the indoor temperature and humidity remain in a high-precision range for a long time. The equipment is usually composed of a compressor, a heat exchanger, a humidifier, a fan, a temperature and humidity sensor, and an intelligent controller, and through a closed-loop control system, it can monitor environmental changes in real time and dynamically adjust. The constant temperature and humidity air conditioning unit is widely used in data centers, laboratories, pharmaceutical production workshops, electronic workshops, museums, precision instrument rooms, and other places to effectively ensure the stable operation of equipment, product quality control, and the accuracy of experimental data.

[0003] In actual production, the existing constant temperature and humidity air conditioning unit usually uses rivets to rigidly connect the rear cover plate and the air conditioning unit shell to ensure the air tightness and structural stability of the shell. Although this method can effectively achieve long-term sealing, it brings great inconvenience to maintenance personnel. When the unit needs to be checked for internal components, circuit troubleshooting, or module replacement, maintenance personnel cannot directly disassemble the rear cover plate, but must remove the fan, filter, heat exchanger, and other internal components from the front one by one to access the fault part. This one-way maintenance path from front to back is not only tedious, time-consuming, and labor-intensive, but also easily causes other components to loosen or be damaged due to repeated disassembly, increasing maintenance difficulty and labor costs.

[0004] Therefore, the technical personnel in the field propose a constant temperature and humidity air conditioning unit convenient for personnel later maintenance to solve the problems raised in the background. SUMMARY

[0005] To solve the above technical problems, the application provides a constant temperature and humidity air conditioning unit convenient for personnel later maintenance to solve the problems in the prior art that the existing constant temperature and humidity air conditioning unit usually uses rivets to rigidly connect the rear cover plate and the shell, which ensures the sealing but cannot directly disassemble the rear cover during maintenance, and requires removing internal components from the front one by one to perform maintenance, which is tedious, time-consuming, and labor-intensive, and easily causes other components to loosen, increasing maintenance difficulty and cost.

[0006] The utility model provides a constant temperature and humidity air conditioning unit convenient for personnel post maintenance, including air conditioning unit shell, the lower part of one side outer wall of air conditioning unit shell is equipped with the installation through slot, the inner chamber of installation through slot is provided with docking mechanism, docking mechanism contains the outer frame, the outer frame one side outer wall is equipped with a plurality of limit through slot, the inner chamber of outer frame is provided with closed mechanism, closed mechanism contains the door board, the inner chamber of door board is located in the outer frame, a plurality of docking blocks of door board one side fixedly connected with limit through slot is matched, and the one side of docking block is equipped with the insertion hole, the one end of docking block is inserted with the inner chamber of adjacent limit through slot,

[0007] The inner chamber of air conditioning unit shell is provided with locking mechanism on both sides, the locking mechanism contains a short rod, the outer circle of short rod is sleeved with a transmission gear, the both sides of the outer circle of transmission gear are provided with a rack, the one side of rack is fixedly connected with a plug rod, the one end of plug rod is inserted with the inner chamber of corresponding insertion hole, the one side of plug rod is slidingly connected with the inner wall of adjacent air conditioning unit shell.

[0008] Preferably, the side of the air conditioning unit shell is rotatably connected with a shielding door through a hinge, the side outer wall of the shielding door is provided with a ventilation through hole, and the middle of the side outer wall of the shielding door is fixedly connected with a handle.

[0009] Preferably, the one end of the short rod is rotatably connected with the inner wall of the adjacent air conditioning unit shell through a rotating shaft, and the one side of the two racks is engagedly connected with the outer circle of the corresponding transmission gear through a clamping tooth.

[0010] Preferably, the one side of the plug rod is fixedly connected with a sliding block, the both sides of the inner walls of the air conditioning unit shell are respectively provided with a sliding groove, and the one end of the sliding block is slidingly connected with the inner chamber of the adjacent sliding groove.

[0011] Preferably, the other end of the short rod is fixedly connected with a belt pulley one, the inner chamber of the air conditioning unit shell is provided with a synchronous control mechanism, the inner chamber of the mounting box is horizontally provided with a long rod, the outer circle of the long rod is sleeved with a belt pulley two on both sides, the top of the mounting box is provided with a connecting through hole on both sides, and the outer circle of the belt pulley two and the adjacent belt pulley one are connected by a transmission belt penetrating through the corresponding connecting through hole.

[0012] Preferably, the both ends of the long rod are rotatably connected with the inner walls of the adjacent air conditioning unit shells through rotating shafts, the both ends of the mounting box are fixedly connected with the inner walls of the adjacent air conditioning unit shells, and the one side of the mounting box is fixedly connected with the one side of the adjacent outer frame.

[0013] Preferably, the outer ring of the long rod is sleeved with a bevel gear one, one side of the long rod is provided with a force receiving rod, one end of the force receiving rod is fixedly connected with a bevel gear two, the other end of the force receiving rod is fixedly connected with a handle through an axle sleeve penetrating the outer frame side wall.

[0014] Preferably, the outer ring of the bevel gear one and the outer ring of the bevel gear two are connected through the engagement of the clamping teeth, the three side outer walls of the door plate are respectively matched with the inner walls of the adjacent air conditioning unit shell, and the bottom of the door plate is matched with the bottom of the inner cavity of the outer frame.

[0015] Preferably, the end of the insertion rod away from the corresponding insertion hole is fixedly connected with a limiting rod, and the outer surface walls of the outer frame are fixedly connected with the inner walls of the adjacent air conditioning unit shell.

[0016] Preferably, the end of the insertion rod away from the corresponding insertion hole is fixedly connected with a limiting rod, and the outer surface walls of the outer frame are fixedly connected with the inner walls of the adjacent air conditioning unit shell.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The present application realizes the detachable and accurate positioning of the rear cover plate by setting the door plate with the butt joint block on the air conditioning unit shell and the butt joint mechanism of the limiting channel on the outer frame, solves the problem that the traditional riveting structure needs to detach the internal components from the front side for maintenance, improves the maintenance efficiency, realizes the multi-point synchronous locking and releasing through the linkage of the transmission gear, the rack and the insertion rod in the locking mechanism and the long rod, the belt pulley one, the transmission belt, the bevel gear one and the bevel gear two in the synchronous control mechanism, considers the sealing and quick disassembly requirements, ensures the stable movement of the insertion rod through the cooperation of the sliding block and the sliding groove, facilitates the smooth insertion of the butt joint block into the limiting channel, reduces the assembly difficulty, and improves the equipment placing stability through the rubber anti-skid foot pad.

[0019] Through the setting of the synchronous control mechanism, the unified control of the two locking mechanisms is realized, when the operator rotates the handle, the power is transmitted to the long rod through the bevel gear two and the bevel gear one, and then the two ends of the belt pulley two and the transmission belt synchronously drive the belt pulley one on both sides to rotate, so as to drive the left and right groups of short rods and the locking mechanisms to act at the same time, ensuring that the insertion rod synchronously extends and retracts at multiple points, the structure avoids the complicated operation and uneven force caused by the traditional manual point-by-point locking or unlocking, improves the disassembly efficiency and action consistency, reduces the risk of structural damage caused by unilateral jamming, at the same time, the whole control process is concentrated on one handle, without the need for additional tools, the operation is simple and reliable, effectively improves the maintainability and use convenience of the equipment, and meets the dual requirements of quick maintenance and stable sealing of the constant temperature and humidity air conditioning unit under complex working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the shutter door structure of the present application;

[0022] Figure 3 is a schematic diagram of the door plate structure of the present application;

[0023] Figure 4 is a sectional view of the air conditioning unit shell of the present application;

[0024] Figure 5 is a schematic diagram of the limiting rod structure of the present application;

[0025] Figure 6 is a schematic diagram of the sliding block structure of the present application;

[0026] Figure 7 is a schematic diagram of the mounting slot structure of the present application;

[0027] Figure 8 is a schematic diagram of the Figure 6 is an enlarged view of A in the above figure.

[0028] In the figure: 1, air conditioning unit shell; 2, shutter door; 3, air permeable through hole; 4, closing mechanism; 401, door plate; 402, butt joint block; 403, insertion hole; 404, inclined block; 5, butt joint mechanism; 501, outer frame; 502, limiting slot; 6, locking mechanism; 601, short rod; 602, transmission gear; 603, rack; 604, insertion rod; 605, pulley one; 606, transmission belt; 607, limiting rod; 608, sliding block; 7, synchronous control mechanism; 701, mounting box; 702, long rod; 703, handle; 704, pulley two; 705, bevel gear one; 706, bevel gear two; 707, force rod; 708, connecting through hole; 8, mounting slot. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be further described in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0030] As shown in the accompanying Figure 1 to the accompanying Figure 8 :

[0031] Embodiment one: the application provides a constant temperature and humidity air conditioning unit facilitating personnel post-maintenance, comprising an air conditioning unit shell 1, a mounting through slot 8 is formed in the lower part of the outer wall of one side of the air conditioning unit shell 1, a docking mechanism 5 is arranged in the inner cavity of the mounting through slot 8, the docking mechanism 5 comprises an outer frame 501, a plurality of limiting through slots 502 are formed in the outer wall of one side of the outer frame 501, a closing mechanism 4 is arranged in the inner cavity of the outer frame 501, the closing mechanism 4 comprises a door plate 401, the door plate 401 is located in the inner cavity of the outer frame 501, a plurality of docking blocks 402 adapted to the limiting through slots 502 are fixedly connected to one side of the door plate 401, a plurality of insertion holes 403 are formed in one side of the docking blocks 402, and one end of the docking blocks 402 is inserted into the inner cavity of the adjacent limiting through slots 502;

[0032] locking mechanisms 6 are arranged on both sides of the inner cavity of the air conditioning unit shell 1, the locking mechanism 6 comprises a short rod 601, a transmission gear 602 is sleeved on the outer circle of the short rod 601, a rack 603 is arranged on both sides of the outer circle of the transmission gear 602, an insertion rod 604 is fixedly connected to one side of the rack 603, one end of the insertion rod 604 is inserted into the inner cavity of the corresponding insertion hole 403, and one side of the insertion rod 604 is slidingly connected to the inner wall of the adjacent air conditioning unit shell 1.

[0033] one side of the air conditioning unit shell 1 is rotationally connected to a shielding door 2 through a hinge, a ventilation through hole 3 is formed in the outer wall of one side of the shielding door 2, and a handle is fixedly connected to the middle part of the outer wall of one side of the shielding door 2.

[0034] From the above, when the constant temperature and humidity air conditioning unit needs to be maintained, the maintenance personnel first locate the back of the air conditioning unit shell 1, hold the handle on the shielding door 2 and open it outward around the hinge, expose the installation slot 8 area, then hold the handle 703 in the synchronous control mechanism 7 and rotate counterclockwise, the handle 703 drives the force rod 707 fixedly connected thereto to rotate, the bevel gear two 706 at the end of the force rod 707 rotates, since the bevel gear two 706 and the bevel gear one 705 are connected by the engagement of the teeth, the bevel gear one 705 is driven and synchronously rotates the long rod 702, the pulley two 704 at both ends of the long rod 702 rotates, and the power is transmitted to the pulley one 605 on both sides through the transmission belt 606, the pulley one 605 drives the short rod 601 to rotate, the short rod 601 further drives the transmission gear 602 on the outer ring to rotate, the rack 603 meshed on both sides of the transmission gear 602 moves linearly in opposite directions under the action of gear transmission, the rack 603 drives the insertion rod 604 fixedly connected thereto to retract synchronously, the insertion rod 604 is separated from the insertion hole 403 on the butt block 402, at the same time, the slider 608 on one side of the insertion rod 604 slides in the sliding groove on the inner wall of the air conditioning unit shell 1, ensuring the stability and linearity of the insertion rod 604 during movement, when all the insertion rods 604 completely exit the insertion hole 403, the locking state between the door plate 401 and the outer frame 501 is released, at this time the maintenance personnel can pull the door plate 401 straight back, make the multiple butt blocks 402 on the door plate 401 slide out in the direction of the limiting slot 502, until completely separated from the inner cavity of the outer frame 501, so as to realize the quick disassembly of the back cover plate, at this time the back of the air conditioning unit shell 1 is completely open, the maintenance personnel can directly check, repair or replace the components such as compressor, heat exchanger, fan and electrical circuit inside from the back, after the maintenance is completed, the door plate 401 is aligned with the outer frame 501 again, the door plate 401 is pushed to make the butt blocks 402 reinserted into the limiting slot 502, then the handle 703 is rotated clockwise, the insertion rod 604 is reinserted into the insertion hole 403 through the same transmission path, the automatic locking of the door plate 401 is completed, the whole process does not need to use tools, the operation is simple and can be completed by one person;

[0035] The detachable door plate 401 and the butt joint block 402 cooperate with the butt joint mechanism 5 of the limiting through slot 502, the repeated installation and positioning of the rear cover plate are realized, the cumbersome process that the internal components must be disassembled from the front side in the traditional way to overhaul is avoided, and the maintenance efficiency is improved; through the linkage design of the transmission gear 602, the rack 603, the plug rod 604 in the locking mechanism 6 and the long rod 702, the belt pulley one 605, the transmission belt 606, the bevel gear one 705 and the bevel gear two 706 in the synchronous control mechanism 7, multi-point synchronous locking and releasing are realized, the door plate 401 has good sealing performance and structural stability after installation, and can be quickly unlocked when needed, and the sealing requirement during equipment operation and the convenience during maintenance are considered; the cooperation of the sliding block 608 and the sliding slot limits the movement track of the plug rod 604, and the reliability of the locking action is improved; the design of the inclined surface block 404 facilitates the smooth sliding of the butt joint block 402 into the limiting through slot 502, and reduces the assembly resistance; the rubber anti-skid foot pad enhances the stability of the unit placement; the overall structure does not need to be disassembled destructively, the parts loosening or damage caused by repeated disassembly and assembly are avoided, the maintenance difficulty and labor cost are reduced, the service life of the equipment is prolonged, and convenient conditions are provided for modular maintenance and quick fault troubleshooting, the practical requirement of modern industry for high-availability equipment maintenance is met.

[0036] In the embodiment, one end of the short rod 601 is rotatably connected to the inner wall of the adjacent air conditioning unit shell 1 through a rotating shaft, and one side of each of the two racks 603 is rotatably connected to the outer ring of the corresponding transmission gear 602 through a clamping tooth.

[0037] One side of the plug rod 604 is fixedly connected with a sliding block 608, and the two sides of the inner walls of the two sides of the air conditioning unit shell 1 are respectively provided with a sliding slot, and one end of the sliding block 608 is slidably connected with the inner cavity of the adjacent sliding slot.

[0038] The other end of the short rod 601 is fixedly connected with a belt pulley one 605, and the inner cavity of the air conditioning unit shell 1 is provided with a synchronous control mechanism 7, the synchronous control mechanism 7 comprises a mounting box 701, the inner cavity of the mounting box 701 is horizontally provided with a long rod 702, the outer ring of the long rod 702 is sleeved with a belt pulley two 704 on both sides, the top of the mounting box 701 is provided with a connecting through hole 708 on both sides, and the outer ring of the belt pulley two 704 and the adjacent belt pulley one 605 are connected through the transmission belt 606 penetrating through the corresponding connecting through hole 708.

[0039] The two ends of the long rod 702 are rotatably connected to the inner walls of the adjacent air conditioning unit shells 1 through rotating shafts, the two ends of the mounting box 701 are fixedly connected to the inner walls of the adjacent air conditioning unit shells 1, and one side of the mounting box 701 is fixedly connected to one side of the adjacent outer frame 501.

[0040] As can be known from the above, the shielding door 2 is rotatably connected to the air conditioning unit shell 1 through a hinge, and the shielding door 2 is provided with the air-permeable through hole 3 and the handle, so that the shielding door 2 can be further opened after the door plate 401 is disassembled, the installation slot 8 area is conveniently protected or ventilated, and the handle is conveniently held by an operator to open the shielding door 2, the operation convenience and the equipment safety are improved, and the maintenance working environment is optimized, the short rod 601 is rotatably connected to the inner wall of the air conditioning unit shell 1 through a rotating shaft at one end, and the two racks 603 are rotatably connected to the outer ring of the transmission gear 602 through clamping teeth, so that the transmission gear 602 can stably drive the two racks 603 to make synchronous reverse linear motion when the transmission gear 602 rotates, so as to drive the insertion rod 604 to accurately enter and exit the insertion hole 403, the transmission is reliable, the action is synchronous, and the mechanical cooperation effect of stable locking is achieved, one side of the insertion rod 604 is fixedly connected to the sliding block 608, the inner wall of the air conditioning unit shell 1 is provided with a sliding groove, and the sliding block 608 slides in the sliding groove, so that the movement track of the insertion rod 604 is limited, the insertion rod 604 is prevented from deviating or being stuck during the stretching and retracting process, the running stability and the structural reliability of the locking mechanism 6 are improved, and the consistency of the multi-point locking is ensured, the other end of the short rod 601 is connected to the belt pulley one 605, and the belt pulley two 704 and the transmission belt 606 in the synchronous control mechanism 7 are formed in linkage, so that the power can be transmitted to the two locking mechanisms 6 through the belt transmission by rotating the handle 703 once, the left and right locking actions are synchronous, the difficulty of manual operation is reduced, and the control consistency is improved, the long rod 702 is rotatably connected to the inner wall of the air conditioning unit shell 1 at both ends, the mounting box 701 is fixed to the shell at both ends, and one side of the mounting box 701 is fixed to the outer frame 501, so that the stability of the long rod 702 is improved, the long rod 702 is prevented from shaking during rotation, the rigidity of the overall structure is improved, and the synchronous transmission precision and the long-term use durability are ensured.

[0041] In the embodiment, the outer ring of the long rod 702 is sleeved with the bevel gear one 705, one side of the long rod 702 is provided with the force receiving rod 707, one end of the force receiving rod 707 is fixedly connected with the bevel gear two 706, and the other end of the force receiving rod 707 is fixedly connected with the handle 703 through the shaft sleeve penetrating the side wall of the outer frame 501.

[0042] The outer ring of the bevel gear one 705 and the outer ring of the bevel gear two 706 are connected through clamping teeth, the three side walls of the door plate 401 are respectively matched with the inner walls of the adjacent air conditioning unit shells 1, and the bottom of the door plate 401 is matched with the bottom of the inner cavity of the outer frame 501.

[0043] One end of the insertion rod 604 away from the corresponding insertion hole 403 is fixedly connected with the limiting rod 607, and the outer walls of the outer frame 501 are respectively fixedly connected with the inner walls of the adjacent air conditioning unit shells 1.

[0044] The rubber antiskid foot pad is fixedly connected to the four corners of the bottom of the air conditioning unit shell 1, the end of the butt joint block 402 away from the corresponding door plate 401 is fixedly connected with the inclined block 404, the outer ring of the inclined block 404 is matched with the inner cavity of the corresponding limiting through slot 502, and the side of the butt joint block 402 is matched with the inner wall of the adjacent air conditioning unit shell 1.

[0045] As can be seen from the above, the long lever 702 is provided with the bevel gear one 705 and meshes with the bevel gear two 706 at the end of the stress lever 707, the stress lever 707 is connected with the handle 703 at the outer end, the vertical manual rotation input is converted into the rotation of the long lever 702 in the horizontal direction, the synchronous control mechanism 7 in the interior is directly controlled by the operator from the outside, the operation path is simplified, and the convenience of human-computer interaction is improved, the bevel gear one 705 is connected with the bevel gear two 706 in meshing mode, the door plate 401 is matched with the inner wall of the air conditioning unit shell 1 on three sides and matched with the bottom of the outer frame 501, the sealing contact of the door plate 401 is good after installation, air leakage gaps are reduced, the normal meshing of the transmission system is ensured, the air tightness is enhanced, the equipment operation efficiency and the structural assembly stability are improved, the limiting lever 607 is connected with the insertion rod 604 at the end away from the insertion hole 403, and the outer frame 501 is fixedly connected with the inner wall of the air conditioning unit shell 1, the installation strength of the outer frame 501 is enhanced, the stroke of the insertion rod 604 is limited, the insertion rod 604 is prevented from being separated from the track due to excessive retraction, the safety and service life of the locking mechanism 6 are improved, the rubber antiskid foot pad is arranged at the bottom of the air conditioning unit shell 1, the inclined block 404 is arranged at the end of the butt joint block 402, the inclined block 404 is matched with the limiting through slot 502, and the side of the butt joint block 402 is matched with the inner wall of the shell, the stability of the unit is improved, the inclined block 404 guides the butt joint block 402 to be smoothly inserted into the limiting through slot 502, the assembly alignment difficulty is reduced, the installation positioning is facilitated, and the stability and assembly efficiency of the whole machine are improved.

[0046] The embodiments of the present application are given for example and description, although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A constant temperature and humidity air conditioning unit that is easy for personnel to maintain, comprising an air conditioning unit casing (1), characterized in that: The lower part of one side of the outer wall of the air conditioning unit casing (1) is provided with an installation through groove (8). The inner cavity of the installation through groove (8) is provided with a docking mechanism (5). The docking mechanism (5) includes an outer frame (501). A plurality of limiting through grooves (502) are provided on one side of the outer wall of the outer frame (501). The inner cavity of the outer frame (501) is provided with a closing mechanism (4). The closing mechanism (4) includes a door panel (401). The door panel (401) is located in the inner cavity of the outer frame (501). A plurality of docking blocks (402) that are adapted to the limiting through grooves (502) are fixedly connected to one side of the door panel (401). An insertion hole (403) is provided on one side of the docking block (402). One end of the docking block (402) is inserted into the inner cavity of the adjacent limiting through groove (502). Locking mechanisms (6) are provided on both sides of the inner cavity of the air conditioning unit housing (1). The locking mechanism (6) includes a short rod (601). A transmission gear (602) is sleeved on the outer ring of the short rod (601). A rack (603) is provided on both sides of the outer ring of the transmission gear (602). A plug rod (604) is fixedly connected to one side of the rack (603). One end of the plug rod (604) is inserted into the inner cavity of the corresponding plug hole (403). One side of the plug rod (604) is slidably connected to the inner wall of the adjacent air conditioning unit housing (1).

2. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: The outer casing (1) of the air conditioning unit is connected to a shield door (2) by a hinge on one side. A ventilation hole (3) is provided on the outer wall of one side of the shield door (2). A handle is fixedly connected to the middle of the outer wall of one side of the shield door (2).

3. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: One end of the short rod (601) is rotatably connected to the inner wall of the adjacent air conditioning unit casing (1) via a rotating shaft, and one side of each of the two racks (603) is connected to the outer ring of the corresponding transmission gear (602) via a snap-tooth engagement.

4. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: A slider (608) is fixedly connected to one side of the plug (604). Slide grooves are respectively opened on both sides of the inner wall of the air conditioning unit casing (1). One end of the slider (608) is slidably connected to the inner cavity of the adjacent slide groove.

5. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: The other end of the short rod (601) is fixedly connected to a pulley (605). A synchronous control mechanism (7) is provided at the bottom of the inner cavity of the air conditioning unit housing (1). The synchronous control mechanism (7) includes a mounting box (701). A long rod (702) is horizontally arranged in the inner cavity of the mounting box (701). Pulleys (704) are sleeved on both sides of the outer ring of the long rod (702). A connecting through hole (708) is opened on both sides of the top of the mounting box (701). The outer ring of the pulley (704) and the adjacent pulley (605) are connected by a transmission belt (606) that passes through the corresponding connecting through hole (708).

6. The constant temperature and humidity air conditioning unit as described in claim 5, which is convenient for personnel to maintain, is characterized in that: The two ends of the long rod (702) are respectively rotatably connected to the inner wall of the adjacent air conditioning unit housing (1) through a rotating shaft. The two ends of the mounting box (701) are respectively fixedly connected to the inner wall of the adjacent air conditioning unit housing (1), and one side of the mounting box (701) is fixedly connected to one side of the adjacent outer frame (501).

7. The constant temperature and humidity air conditioning unit as described in claim 6, which is convenient for personnel to maintain, is characterized in that: The outer ring of the long rod (702) is fitted with a bevel gear (705), and a force-bearing rod (707) is provided on one side of the long rod (702). One end of the force-bearing rod (707) is fixedly connected to a bevel gear (706), and the other end of the force-bearing rod (707) is fixedly connected to a handle (703) through a bushing through the side wall of the outer frame (501).

8. The constant temperature and humidity air conditioning unit as described in claim 7, which is convenient for personnel to maintain, is characterized in that: The outer rings of the first bevel gear (705) and the second bevel gear (706) are connected by meshing teeth. The three outer walls of the door panel (401) are respectively attached to the inner walls of the adjacent air conditioning unit casing (1). The bottom of the door panel (401) is attached to the bottom of the inner cavity of the outer frame (501).

9. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: The end of the insertion rod (604) away from the corresponding insertion hole (403) is fixedly connected to a limiting rod (607), and the outer wall of the outer frame (501) is fixedly connected to the inner wall of the adjacent air conditioning unit casing (1).

10. The constant temperature and humidity air conditioning unit as described in claim 1, which is convenient for personnel to maintain, is characterized in that: Rubber anti-slip pads are fixedly connected to the four corners of the bottom of the air conditioning unit casing (1). An inclined block (404) is fixedly connected to the end of the docking block (402) away from the corresponding door panel (401). The outer ring of the inclined block (404) is adapted to the inner cavity of the corresponding limiting groove (502). One side of the docking block (402) is in contact with the inner wall of the adjacent air conditioning unit casing (1).

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