CN117955007A - Aviation socket chamber that cabinet and DTU are connected aerifys - Google Patents

Abstract

The application relates to the technical field of inflatable cabinets and discloses an aviation socket chamber for connecting an inflatable cabinet with a Digital Television Unit (DTU), which comprises an aviation socket and a cabinet body, wherein a placing groove is formed in the cabinet body, the aviation socket is arranged in the placing groove, and the aviation socket is arranged in the placing groove through the aviation socket, so that an aviation plug is arranged in the placing groove, can be inserted into the aviation socket, and is protected through a cabinet door, so that the possibility of direct mistaken contact of personnel with the aviation socket is reduced, the connection between the aviation plug and the aviation socket can be more stable, and the instrument box and the DTU can be stably connected.

Description

Aviation socket chamber that cabinet and DTU are connected aerifys

Technical Field

The application relates to the technical field of inflatable cabinets, in particular to an aviation socket chamber connected with a DTU through the inflatable cabinet.

Background

The high-voltage loop-network cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like, the instrument box is an important component part in the high-voltage loop-network cabinet and is used for installing various measuring instruments and protecting devices, the instrument box is provided with an aviation socket which is connected with the DTU, and the instrument box is inserted into the aviation socket through the aviation plug to realize the transmission of data from the instrument box into the DTU.

The aviation socket in the related art is often mounted directly on the outer upper side of the instrument box.

Because aviation socket is fixed in on the upper surface of instrument box directly, external debris or personnel can touch aviation plug by mistake, lead to aviation plug and aviation socket between be connected unstable, aviation plug breaks away from aviation socket even, influence instrument box and DTU's connection.

Disclosure of Invention

In order to solve the problem of unstable connection between an aviation plug and an aviation socket, the application provides an aviation socket chamber with an inflatable cabinet connected with a DTU.

The application provides an aviation socket chamber connected with a DTU through an inflatable cabinet, which adopts the following technical scheme:

the utility model provides an aerify aviation socket room that cabinet and DTU are connected, includes aviation socket and the cabinet body, the standing groove has been seted up on the cabinet body, aviation socket sets up in the standing groove.

Through adopting above-mentioned technical scheme, set up in the standing groove through aviation socket, let aviation plug place in the standing groove, aviation plug can insert in the aviation socket, protect aviation socket through the cabinet door, reduce personnel's direct mistake and touch aviation socket's possibility, let the connection between aviation plug and the aviation socket can be more stable for instrument box and DTU can stable connection.

Optionally, the perforation of intercommunication standing groove has been seted up on the cabinet body, the perforation supplies aviation plug or data line to pass, be equipped with the cabinet door on the cabinet body, be equipped with the locking component that is used for restricting the cabinet door and opens on the cabinet door.

By adopting the technical scheme, the placing groove is plugged through the cabinet door, and the cabinet door is limited to be opened by the locking component, so that the cabinet door can stably plug the placing groove, personnel are difficult to stretch into the placing groove, and the touch of the personnel to the aviation socket is reduced; when the cabinet door is opened, hands of a worker can extend into the placing groove, so that the worker can maintain the aviation socket conveniently; because perforation supplies aviation plug or data line to pass, aviation plug or data line can be connected with aviation socket to realize aviation socket and aviation plug's connection and data line can be connected with aviation socket.

Optionally, two perforations are provided, one perforation is arranged at one side of the cabinet body, and the other perforation is arranged at the other side of the cabinet body.

Through adopting above-mentioned technical scheme, because the position of DTU is different for DTU can pass corresponding perforation and get into the standing groove and be connected with aviation socket, thereby let DTU's data transmission line need not stretch too long can get into the standing groove in, so that aviation socket is connected with DTU.

Optionally, the perforation is provided with a snapping plate, the snapping plate completely seals the perforation, and the snapping plate is used for opening the perforation after being snapped by a person.

By adopting the technical scheme, if a certain perforation is to be used, a worker can detach the snapping plate from the perforation by detaching the snapping plate, so that the perforation is opened, and a data transmission line of the DTU can enter the placing groove through the perforation; if a certain perforation is not needed, the snapping plate seals the perforation, so that the perforation is not opened, the snapping plate limits dust to pass through the perforation to enter the placing groove, and the influence of dust in the placing groove on the aviation socket is reduced.

Optionally, the locking component includes lock core and locking strip, the lock core rotates to be connected on the cabinet door, the locking strip sets up on the lock core, offer on the cell wall of standing groove and supply locking strip male locking groove, when locking strip is located locking inslot, the opening of cabinet door shutoff standing groove.

Through adopting the technical scheme, the lock cylinder is rotationally connected to the cabinet door, and the locking bar is arranged on the lock cylinder, when a worker rotates the lock cylinder, the locking bar can rotate out of the locking groove, so that the locking bar does not limit the opening of the cabinet door; the locking strip is located in the locking groove, the groove wall of the locking groove is used for limiting the locking strip, the locking strip can limit the rotation of the cabinet door, and the cabinet door can be fixed with the cabinet body.

Optionally, the radiating hole has been seted up on the cabinet door, can dismantle the baffle that is connected with shutoff radiating hole on the cabinet door, be equipped with the stopper on the cabinet door, the stopper is used for restricting the baffle and breaks away from the cabinet door.

Through adopting above-mentioned technical scheme, install on the cabinet door through the baffle for the cabinet door can shutoff louvre, thereby lets the louvre not communicate with the standing groove, makes external dust be difficult to get into inside the standing groove through the circulation of air, reduces the influence of dust to aviation socket; when the baffle is detached from the cabinet door, the cabinet door does not plug the radiating holes, so that the placing grooves are communicated with the radiating holes, external air and air in the placing grooves can circulate mutually, the temperature inside the placing grooves is reduced, and the influence of overhigh temperature on aviation sockets is reduced.

Optionally, the stop piece comprises a stop bar, the stop bar is connected to the cabinet door in a sliding manner, and a stop groove for inserting the stop bar is formed in the baffle; when the stop bar is separated from the stop groove, the baffle can be detached from the cabinet door.

By adopting the technical scheme, the stop bar is connected to the cabinet door in a sliding way, so that the stop bar is inserted into the stop groove, and the groove wall of the stop groove limits the stop bar, so that the baffle can be installed on the cabinet door; when the stop strip breaks away from the stop groove, the baffle can be detached from the cabinet door, and the baffle is not used for plugging the radiating holes so as to facilitate air exchange between the inside of the placing groove and the outside.

Optionally, sliding connection has the gangbar on the cabinet door, the locking strip is located the slip path of gangbar, the gangbar is used for driving the locking strip and breaks away from in the locking groove, have the inclined plane that supplies the gangbar to remove on the locking strip, be equipped with the gangbar on the lock core, the gangbar is located the travel path of gangbar, the gangbar can drive the gangbar and remove when rotating, the baffle is located one side of cabinet door orientation standing groove diapire.

By adopting the technical scheme, as the baffle is positioned on one side of the cabinet door facing the bottom wall of the placing groove, a person needs to open the cabinet door and then detach the baffle from the cabinet door when detaching the baffle, so that the person cannot detach the baffle easily, and the change of the heat dissipation performance of the cabinet door caused by the movement of the person is prevented; the linkage rod is positioned on the moving path of the linkage block, the linkage block can drive the linkage rod to move when rotating, the stop bar is positioned on the sliding path of the linkage rod, and the linkage rod can drive the stop bar to move along the inclined plane of the stop bar, so that the linkage block can drive the linkage rod to move when rotating, the stop bar can be smoothly separated from the stop groove, the stop bar and the baffle plate are separated, and the baffle plate can be detached from the cabinet door; the door is opened and the baffle is separated from the cabinet door through the rotation of the linkage block, a person can directly detach the baffle from the cabinet door after opening the cabinet door, the person does not need to open the cabinet door first and then take out the stop strip from the stop groove, the step that the person drives the stop strip to move is reduced, and the operation of the person is simplified.

Optionally, an operation ring is slidingly connected to the lock core, the linkage block is slidingly connected to the locking bar, and the operation ring is used for driving the linkage block to protrude out of the locking bar; when the linkage block protrudes out of the locking bar, the linkage rod is positioned on the moving path of the linkage block; when the linkage block does not protrude the locking bar, the linkage rod is not on the moving path of the linkage block.

Through adopting the technical scheme, the operation ring is connected to the lock cylinder in a sliding way, and the operation ring can drive the linkage block to protrude out of the locking strip, so that the linkage rod is positioned on the path of the linkage block, the linkage block can move the stop strip through the linkage rod, and finally the baffle and the cabinet door are detached; if personnel need not to dismantle the baffle when, personnel only need rotate the lock core, and the linkage piece does not outstanding locking strip this moment for the gangbar is not in the travel path of linkage piece, thereby the linkage piece can not drive the gangbar and remove, makes the baffle not dismantle each other with the cabinet door, and then lets the baffle can install on the cabinet door.

Optionally, the baffle is last to have seted up the through-hole, be equipped with the blend stop that is used for shutoff through-hole on the louvre, baffle sliding connection is on the cabinet door.

By adopting the technical scheme, the baffle is connected to the cabinet door in a sliding way, and if the barrier strip can block the through hole, the baffle and the barrier strip can block the radiating hole; if the barrier strip does not block the through hole, the through hole is communicated with the radiating hole, and the baffle plate is used for shielding the part of the radiating hole, so that the opening area of the radiating hole is reduced, and people can adjust the air circulation speed according to requirements.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through aviation socket setting in the standing groove, let aviation plug place in the standing groove, aviation plug can insert in the aviation socket, protect aviation socket through the cabinet door, reduce personnel's mistake and touch aviation socket's possibility, strengthen aviation plug and aviation socket's stability degree of connection for instrument box and DTU can be stably connected.

2. The breaking plate is separated from the cabinet body by separating the breaking plate, so that the breaking plate cannot block the perforation, and the data transmission line can enter the placing groove through the perforation; through breaking off the shutoff of board to the perforation for external debris is difficult to get into from the perforation, reduces the quantity of accumulation dust in the standing groove, reduces the influence of dust to aviation socket.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

FIG. 2 is an exploded view of the highlighted cabinet door of example 1;

FIG. 3 is a partial cross-sectional view of the male locking assembly of example 1;

Fig. 4 is a schematic structural view of embodiment 2;

FIG. 5 is an exploded view of the highlighted door of example 2;

FIG. 6 is a schematic view showing the structure of a cabinet door in example 2;

FIG. 7 is a cross-sectional view of the protruding stopper in example 2;

FIG. 8 is a partial cross-sectional view of the key cylinder highlighted in example 2;

FIG. 9 is an exploded view of the salient linkage block of example 2;

fig. 10 is an enlarged schematic view of the portion a in fig. 9.

Reference numerals: 1. a cabinet body; 11. a placement groove; 12. a cabinet door; 121. a heat radiation hole; 122. a barrier strip; 13. perforating; 14. a snapping plate; 15. a locking groove; 16. a sliding groove; 161. an elastic groove; 162. a stop groove; 17. a linkage rod; 2. aviation socket; 3. a locking assembly; 31. a lock core; 311. an operation groove; 312. a linkage groove; 32. a locking bar; 33. an operating ring; 331. placing the hole; 34. a locking spring; 35. a linkage block; 351. a receiving groove; 352. a linkage surface; 4. a baffle; 41. an elastic block; 42. a through hole; 421. a dust screen; 43. a receiving groove; 5. a stopper; 51. a stop bar; 511. an inclined plane; 52. And a stop spring.

Detailed Description

The application is described in further detail below with reference to fig. 1-10.

Example 1

The embodiment discloses an aviation socket room that aerifys cabinet and DTU and be connected. Referring to fig. 1 and 2, an air outlet chamber of an inflatable cabinet connected with a DTU comprises a cabinet body 1 and a plurality of air outlets 2. Three placing grooves 11 are formed in the cabinet body 1, the placing grooves 11 are distributed in an array mode along the length direction of the cabinet body 1, and the placing grooves 11 in the middle are communicated with the placing grooves 11 on two sides. Each aviation socket 2 is placed in a different placement groove 11. The cabinet body 1 is connected to the instrument box through bolts so as to fix the cabinet body 1. The cabinet body 1 can be connected to the instrument box in a welding, clamping and other modes, and the cabinet body 1 and the instrument box can be fixedly connected.

Referring to fig. 2, a plurality of cabinet doors 12 are rotatably connected to the cabinet body 1, and the rotation axes of the cabinet doors 12 are perpendicular to the ground, so that the use of personnel is facilitated. Each cabinet door 12 respectively seals the openings of different placing grooves 11. The surface of the two sides of the cabinet body 1 is provided with perforations 13 communicated with the placing groove 11, and the perforations 13 are used for the data wires or the electric wires to pass through. The through hole 13 is detachably connected with a snapping plate 14, and the snapping plate 14 can be detached from the through hole 13 in a snapping manner by a worker. The worker removes the snapping plate 14 so that the snapping plate 14 does not block the perforation 13, and the perforation 13 is opened to facilitate the data line to pass through the perforation 13.

Referring to fig. 2 and 3, the cabinet door 12 is provided with a locking assembly 3, and the locking assembly 3 is used for locking the cabinet door 12 and the cabinet body 1. The locking assembly 3 comprises a lock cylinder 31 and a locking bar 32, wherein the locking bar 32 is integrally formed on the lock cylinder 31, and the lock cylinder 31 is rotatably connected to the cabinet door 12. One part of the lock cylinder 31 is positioned on one side of the cabinet door 12, the other part of the lock cylinder 31 is positioned on the other side of the cabinet door 12, and a worker inserts the lock cylinder 31 through a key to drive the lock cylinder 31 to rotate. The groove wall of the placement groove 11 is provided with a locking groove 15 into which the locking bar 32 is inserted. When the locking bar 32 is inserted into the locking groove 15, the locking bar 32 restricts the rotation of the cabinet door 12.

The implementation principle of the embodiment 1 is as follows: the worker rotates the lock cylinder 31 by means of the key, and the locking bar 32 is disengaged from the locking groove 15, so that the door 12 is opened, and the worker can extend the aviation plug from the perforation 13 and insert the aviation plug into the aviation socket 2.

Example 2

Referring to fig. 4 and 5, this embodiment is different from embodiment 1 in that a heat dissipation hole 121 is formed in the cabinet door 12, and the heat dissipation hole 121 extends along the length direction of the cabinet body 1. The heat dissipation holes 121 are used for allowing air inside the placement groove 11 and air outside to flow through each other.

Referring to fig. 5 and 6, a baffle 4 is detachably connected to the cabinet door 12, the baffle 4 is located on a side of the cabinet door 12 facing the placement groove 11, and the baffle 4 is used for shielding the heat dissipation holes 121. The surface of the cabinet door 12 is provided with a sliding groove 16, and the baffle 4 slides through the sliding groove 16.

Referring to fig. 6 and 7, two elastic blocks 41 are fixedly connected to the baffle 4, and the elastic blocks 41 have elastic deformation capability. Two elastic grooves 161 are formed in the sliding groove 16, the elastic grooves 161 are inserted and slid by the elastic blocks 41, and the elastic grooves 161 extend along the length direction of the sliding groove 16. When the elastic block 41 is inserted into the elastic groove 161, the baffle 4 is mounted on the cabinet door 12.

Referring to fig. 5 and 6, a plurality of barrier ribs 122 are fixedly connected to the wall of the heat dissipation hole 121, and the barrier ribs 122 are distributed in an array along the length direction of the heat dissipation hole 121. The baffle 4 is provided with a plurality of through holes 42, and a dustproof net 421 fixed on the wall of the through hole 42 is arranged in each through hole 42, so that the baffle bar 122 can completely shield the through hole 42. When the barrier rib 122 shields the through hole 42, the portion of the barrier 4 where the through hole 42 is not opened can completely block the heat dissipation hole 121.

Referring to fig. 5 and 6, when the barrier 4 is mounted on the cabinet door 12 and the barrier ribs 122 block the through holes 42, the heat radiation holes 121 are completely blocked by the barrier 4, and the barrier 4 is in the first state. When the baffle 4 is mounted on the cabinet door 12 and the through hole 42 is not plugged by the barrier strip 122, the heat dissipation hole 121 is communicated with the through hole 42, and air in the placing groove 11 can circulate through the through hole 42, and the baffle 4 is in the second state. The staff opens the cabinet door 12, then moves the baffle 4, and enables the heat dissipation holes 121 to be communicated with the through holes 42, so that the first state is switched to the second state. When the baffle 4 is not mounted on the cabinet door 12, the air in the placement groove 11 can circulate through the heat dissipation holes 121, so that the heat dissipation treatment with the maximum efficiency is realized.

Referring to fig. 7, the door 12 is provided with a stopper 5 for fixing the baffle 4. The stopper 5 includes a stopper bar 51 and a plurality of stopper springs 52. The surface of the baffle 4 is provided with a containing groove 43, one end of a stop spring 52 is abutted against the bottom wall of the containing groove 43, and the other end of the stop spring 52 is fixedly connected to the surface of the stop strip 51. The stop bar 51 is partially located in the receiving groove 43, and the stop spring 52 drives the stop bar 51 out of the receiving groove 43.

Referring to fig. 7, the groove wall of the sliding groove 16 is provided with two stopper grooves 162 into which the ends of the stopper bars 51 are inserted, and the two stopper grooves 162 are distributed along the longitudinal direction of the sliding groove 16. When the stopper bar 51 is inserted into one of the stopper grooves 162, the shutter 4 is in the first state. When the stopper bar 51 is inserted into the other stopper groove 162, the shutter 4 is in the second state.

Referring to fig. 7, the door 12 is slidably coupled with a link 17, and a stopper bar 51 is positioned on a moving path of the link 17. A slope 511 is provided on a surface of the stopper bar 51 facing the link lever 17 and between surfaces of the stopper bar 51 facing the stopper spring 52, and the link lever 17 can drive the stopper bar 51 to be disengaged from the stopper groove 162 by the slope 511.

Referring to fig. 8, the lock cylinder 31 is provided with an operation groove 311, and the surface of the lock bar 32 remote from the lock cylinder 31 is provided with a linkage groove 312 communicating with the operation groove 311.

Referring to fig. 8 and 9, an operation ring 33 is slidably coupled to the operation groove 311. The locking spring 34 is provided on the groove wall of the operation groove 311.

Referring to fig. 8 and 10, a link block 35 is provided in the link groove 312, and a receiving groove 351 is provided on a surface of the link block 35 facing the bottom wall of the link groove 312. One end of the locking spring 34 is fixedly connected to the groove wall of the accommodating groove 351, and the other end of the locking spring 34 is fixedly connected to the bottom wall of the linkage groove 312. When the locking spring 34 is not stressed, i.e., the locking spring 34 is in a natural state. When the locking spring 34 is in a natural state, the linkage block 35 is completely positioned in the linkage groove 312.

Referring to fig. 8 and 10, a linking surface 352 is formed between a surface of the linking block 35 where the accommodating groove 351 is formed and a surface of the linking block 35 where the operating groove 311 is formed in the lock cylinder 31, and the operating ring 33 can drive the linking block 35 to move along the linking surface 352, so that the linking block 35 can protrude from the lock bar 32. The outer surface of the operating ring 33 is provided with a placement hole 331, and the placement hole 331 is used for the linkage block 35 and the locking spring 34 to pass through.

Referring to fig. 8, when the worker pushes the operation ring 33, the operation ring 33 drives the link block 35 to protrude the locking bar 32 through the link surface 352, and at this time, the end of the link block 35 and the locking spring 34 are both positioned in the placement hole 331 to prevent collision between the link block 35, the locking spring 34 and the operation ring 33.

Referring to fig. 6 and 8, when the link block 35 protrudes the locking bar 32, the link lever 17 is in a rotational path of the link block 35, i.e., the link block 35 can drive the link lever 17 to slide. When the link block 35 does not protrude the locking bar 32, the link lever 17 is not in the rotational path of the link block 35, i.e., the link block 35 cannot drive the link lever 17 to slide.

The implementation principle of the embodiment 2 is as follows: the staff presses the operation ring 33 at first, lets the operation ring 33 butt linkage piece 35, realizes that linkage piece 35 outstanding locking strip 32, and then the key drives lock core 31 and rotates, and the locking strip 32 is to the unblock of cabinet door 12 simultaneously linkage piece 35 drives the gangbar 17 and slides, and the gangbar 17 can promote the stop strip 51 and break away from stop groove 162, lets stop strip 51 not restrict baffle 4, and baffle 4 can remove according to the heat dissipation demand.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The above embodiments are only preferred embodiments of the present application, and are not intended to limit the present application, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present application should be included in the scope of the present application.

Claims (10)

1. The utility model provides an aerify aviation socket room that cabinet and DTU are connected, includes aviation socket (2), its characterized in that: still include cabinet body (1), standing groove (11) have been seted up on the cabinet body (1), aviation socket (2) set up in standing groove (11).

2. An air outlet chamber for connection of an air chest to a DTU as claimed in claim 1, wherein: the novel multifunctional cabinet is characterized in that a through hole (13) communicated with the placing groove (11) is formed in the cabinet body (1), the through hole (13) is used for an aviation plug or a data line to pass through, a cabinet door (12) is arranged on the cabinet body (1), and a locking assembly (3) used for limiting the cabinet door (12) to be opened is arranged on the cabinet door (12).

3. An air outlet chamber for connection of an air chest to a DTU as claimed in claim 2, wherein: two perforations (13) are formed, one perforation (13) is arranged on one side of the cabinet body (1), and the other perforation (13) is arranged on the other side of the cabinet body (1).

4. An air outlet chamber for a gas closet and DTU connection as claimed in claim 3, wherein: the perforating hole (13) is provided with a snapping plate (14), the snapping plate (14) completely seals the perforating hole (13), and the snapping plate (14) is used for opening the perforating hole (13) after being snapped by a person.

5. An air outlet chamber for connection of an air chest to a DTU as claimed in claim 2, wherein: the locking assembly (3) comprises a lock cylinder (31) and a locking strip (32), the lock cylinder (31) is rotationally connected to a cabinet door (12), the locking strip (32) is arranged on the lock cylinder (31), a locking groove (15) for the locking strip (32) to be inserted is formed in the groove wall of the placing groove (11), and when the locking strip (32) is located in the locking groove (15), the cabinet door (12) seals the opening of the placing groove (11).

6. An air outlet chamber for connection of an air chest to a DTU as recited in claim 5, wherein: the novel cabinet is characterized in that the cabinet door (12) is provided with a heat dissipation hole (121), the cabinet door (12) is detachably connected with a baffle (4) for blocking the heat dissipation hole (121), the cabinet door (12) is provided with a stop piece (5), and the stop piece (5) is used for limiting the baffle (4) to be separated from the cabinet door (12).

7. An air outlet chamber for connection of an air chest to a DTU as recited in claim 6, wherein: the stop piece (5) comprises a stop strip (51), the stop strip (51) is connected to the cabinet door (12) in a sliding mode, and a stop groove (162) for the stop strip (51) to be inserted into is formed in the baffle plate (4); when the stop strip (51) is disengaged from the stop groove (162), the baffle (4) can be detached from the cabinet door (12).

8. An air outlet chamber for connection of an air chest to a DTU as recited in claim 7, wherein: the novel cabinet door is characterized in that a linkage rod (17) is connected to the cabinet door (12) in a sliding mode, the stop bar (51) is located on a sliding path of the linkage rod (17), the linkage rod (17) is used for driving the stop bar (51) to be separated from a stop groove (162), an inclined surface (511) for the movement of the linkage rod (17) is arranged on the stop bar (51), a linkage block (35) is arranged on the lock cylinder (31), the linkage rod (17) is located on a moving path of the linkage block (35), the linkage block (35) can drive the linkage rod (17) to move when rotating, and the baffle plate (4) is located on one side of the cabinet door (12) towards the bottom wall of the placing groove (11).

9. An air outlet chamber for connection of an air chest to a DTU as recited in claim 8, wherein: an operation ring (33) is connected to the lock cylinder (31) in a sliding manner, the linkage block (35) is connected to the locking bar (32) in a sliding manner, and the operation ring (33) is used for driving the linkage block (35) to protrude out of the locking bar (32); when the linkage block (35) protrudes out of the locking bar (32), the linkage rod (17) is positioned on the moving path of the linkage block (35); when the interlocking block (35) does not protrude the locking bar (32), the interlocking lever (17) is not on the moving path of the interlocking block (35).

10. An air outlet chamber for connection of an air chest to a DTU as recited in claim 6, wherein: the baffle (4) is provided with a through hole (42), the radiating hole (121) is provided with a baffle strip (122) for blocking the through hole (42), and the baffle (4) is connected to the cabinet door (12) in a sliding mode.