CN219014578U - Coupling assembling and air handling unit - Google Patents

Abstract

The utility model discloses a connecting assembly and an air treatment unit, wherein the connecting assembly comprises a first fixing seat, a second fixing seat, a bolt, a fastener and an operating piece, wherein the first fixing seat and the second fixing seat are respectively connected to the interiors of two adjacent boxes of the air treatment unit, a first sliding groove and the bolt which is in sliding connection with the first sliding groove are arranged on the first fixing seat, when locking is needed, the operating piece drives the bolt to move along the first sliding groove and correspondingly insert into the second sliding groove of the second fixing seat, and the locking piece is inserted into a locking hole of the bolt to achieve the purpose of locking the bolt, so that the boxes can be quickly disassembled and assembled; and the operation piece and the fastener can be arranged on the outer side of the box body, the door plate of the box body can be locked and unlocked without opening, the operation is convenient and fast, the structure is stable and reliable, and the convenience of the air treatment unit after-sale is effectively improved.

Description

Coupling assembling and air handling unit

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to a connecting assembly and an air treatment unit.

Background

In the related art, the air handling unit has a large machine body, the whole machine is heavy, after-sale carrying and installation are inconvenient, a plurality of module box body combined assembly structures are generally adopted, the module box bodies are connected through the lock catches, the door plate is required to be opened firstly when the lock catches are opened and closed in the machine body, and the built-in lock catches are not intuitive in operation and complex in operation.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the connecting component which is suitable for the air treatment unit, is convenient to detach and install a plurality of boxes, can be operated without opening a door plate, and is simple and convenient to operate.

The utility model further provides an air treatment unit with the connecting assembly.

According to an embodiment of the first aspect of the present utility model, a connection assembly includes: the first fixing seat is provided with a first chute; the second fixing seat is arranged at intervals with the first fixing seat, and is provided with a second chute corresponding to the first chute; the bolt is arranged on the first fixing seat and is in sliding connection with the first sliding groove, and the bolt is provided with a lock hole; the operating piece is fixedly connected to one end of the latch, which is far away from the lock hole; the fastener is arranged on the second fixing seat, and when the operating piece drives the bolt to be inserted into the second sliding groove, the fastener is inserted into the lock hole to lock the bolt.

The connecting component provided by the embodiment of the utility model has at least the following beneficial effects:

the first fixing seat and the second fixing seat are respectively connected to the interiors of two adjacent boxes of the air treatment unit, a first sliding groove and a bolt which is in sliding connection with the first sliding groove are arranged on the first fixing seat, when locking is needed, the bolt is driven to move along the first sliding groove through an operation piece and correspondingly inserted into the second sliding groove of the second fixing seat, and the bolt is inserted into a lock hole of the bolt through a locking piece, so that the purpose of locking the bolt is achieved, and the quick disassembly and the quick assembly between the boxes are realized; and the operation piece and the fastener can be arranged on the outer side of the box body, the door plate of the box body can be locked and unlocked without opening, the operation is convenient and fast, the structure is stable and reliable, and the convenience of the air treatment unit after-sale is effectively improved.

According to some embodiments of the utility model, the connecting assembly further comprises an elastic member, one end of the elastic member is connected with the first fixing seat, and the other end of the elastic member is connected with the bolt so as to provide elastic force to the bolt in a direction away from the second fixing seat.

According to some embodiments of the utility model, the fastener comprises a bolt, one end of the bolt penetrates through the second fixing seat, and the other end of the bolt is provided with a handle.

According to some embodiments of the utility model, the latch comprises a first plate body, wherein two sides of the first plate body along the width direction are respectively formed with folded edges, and the two folded edges are respectively abutted against two opposite side walls of the first chute.

According to some embodiments of the utility model, the first fixing base comprises a second plate body, and the first chute is integrally formed by stamping the second plate body; the second fixing seat comprises a third plate body, and the second sliding groove is formed by integrally punching the third plate body.

According to some embodiments of the utility model, a limiting part is disposed at one end of the latch away from the second fixing seat, a stop part is disposed on the first fixing seat, and the limiting part cooperates with the stop part to limit the relative displacement between the latch and the first chute.

An air treatment unit according to an embodiment of the second aspect of the present utility model includes a first casing, the outer peripheral wall of which is provided with a guide hole; the outer peripheral wall of the second box body is provided with a through hole; the connecting assembly according to the embodiment of the first aspect, the first fixing base is fixedly connected to the inner peripheral wall of the first box body, the second fixing base is fixedly connected to the inner peripheral wall of the second box body, the operating piece is located on the outer peripheral wall of the first box body and is connected with the bolt through the guide hole, and the fastening piece extends from the outer peripheral wall of the second box body to the second fixing base through the through hole.

The air treatment unit provided by the embodiment of the utility model has at least the following beneficial effects:

the air treatment unit adopts the connecting assembly of the embodiment to connect the first box body and the second box body, the first fixing seat is fixedly connected to the inner peripheral wall of the first box body, the second fixing seat is fixedly connected to the inner peripheral wall of the second box body, the operating piece passes through the guide hole of the first box body to be connected with the bolt, and the fastening piece passes through the through hole of the second box body to enter the second fixing seat; the operation piece drives the bolt to move along the first sliding groove and correspondingly insert into the second sliding groove during locking, and then the locking piece is inserted into a locking hole of the bolt to achieve the purpose of locking the bolt, so that the first box body and the second box body can be quickly disassembled and assembled; and the operation piece and the fastener are located the outside of first box and second box respectively, need not to open the door plant and can lock and unlock the operation, convenient operation is swift, and stable in structure is reliable, effectively improves the installation and the convenience after sale of air handling unit.

According to some embodiments of the utility model, the operating member comprises a handle and a connection block, the connection block is slidingly connected with the guide hole, and the handle is fixedly connected with the latch through the connection block.

According to some embodiments of the utility model, the connecting assembly further comprises a shielding member located in the first housing and fixedly connected to the operating member, the shielding member extending along the length of the guide hole.

According to some embodiments of the utility model, a first lug fixedly connected with the first box body is arranged on the peripheral wall of the first fixing seat; the periphery wall of the second fixing seat is provided with a second lug fixedly connected with the second box body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram showing a locked state structure of a fan case and a heat exchange case according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating an unlocked state of a fan case and a heat exchanger case according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a structure of a connecting assembly in a locked state according to an embodiment of the present utility model;

FIG. 4 is a schematic view of another view of the connecting assembly in a locked state according to an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating a structure of a connection assembly in an unlocked state according to an embodiment of the present utility model;

FIG. 6 is an exploded view of a connector assembly according to an embodiment of the present utility model;

FIG. 7 is an enlarged schematic view of the structure shown at A in FIG. 4;

fig. 8 is a schematic structural diagram of a locking state of a fan case and a heat exchange case according to another embodiment of the present utility model.

Reference numerals:

a first fixing base 100; a first chute 110; a second plate 120; a stopper 130; a first lug 140; a first connection hole 141;

a second fixing base 200; a second chute 210; a third plate 220; a dodge hole 230; a second lug 240; a second connection hole 241;

a plug 300; a lock hole 310; a first plate 320; a hem 330; a limit part 331;

an operation member 400; a handle 410; a connection block 420;

a fastener 500; a bolt 510; a handle 520; a nut 530;

an elastic member 600; a spring 610;

a shield 700;

a first casing 1000; fan case 1100; a guide hole 1110; a fan assembly 1200;

a second casing 2000; a heat exchange tank 2100;

the assembly 3000 is connected.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the air handling unit provided by the embodiment of the utility model adopts an assembly structure of split type boxes, each split box is convenient for after-sale carrying and installation, the quick assembly and disassembly are realized by adopting the connecting component 3000 of the embodiment between the boxes, the installation and maintenance efficiency of the air handling unit is effectively improved, and the problem of inconvenient transportation and installation caused by overlarge and overweight integral air handling unit is solved.

In the embodiment shown in fig. 1 and 2, the air treatment unit includes a fan box 1100 and a heat exchange box 2100, where the fan box 1100 and the heat exchange box 2100 are two independent boxes, and the fan box 1100 and the heat exchange box 2100 are connected by the connection assembly 3000 of the embodiment. Wherein fan assembly 1200 is disposed in fan box 1100, and heat exchange assembly (not shown in the drawings) is disposed in heat exchange box 2100, fan box 1100 and heat exchange box 2100 each have a door panel (not shown in the drawings), and fan assembly 1200 and heat exchange assembly in the box can be maintained conveniently by opening the door panels. It should be noted that, the air treatment unit according to the embodiment of the present utility model further includes a filter screen box (not shown in the drawings), where the filter screen box is connected to the fan box 1100 or the heat exchange box 2100, and the assembly between the filter screen box and the fan box 1100 or the heat exchange box 2100 may also be implemented by using the connection assembly 3000 according to the embodiment of the present utility model.

Referring to fig. 3 and 4, a connecting assembly 3000 according to an embodiment of the present utility model includes a first fixing base 100, a second fixing base 200, a latch 300, an operating member 400, and a fastening member 500, wherein the first fixing base 100 is provided with a first sliding slot 110, the second fixing base 200 is provided with a second sliding slot 210, the latch 300 is mounted on the first fixing base 100, the latch 300 is slidably connected to the first sliding slot 110, a lock hole 310 is provided at a lower end of the latch 300, an upper end of the latch 300 is connected to the operating member 400, and the latch 300 can be driven to move along the first sliding slot 110 by manually pushing the operating member 400; the fastener 500 is movably connected to the second fixing base 200.

As can be understood from fig. 1 and fig. 2, the first fixing base 100 is fixedly connected to an inner side wall of the first case 1000, the second fixing base 200 is fixedly connected to an inner side wall of the second case 2000, in the embodiment, the first case 1000 is a fan case 1100, the second case 2000 is a heat exchange case 2100, wherein the fan case 1100 is located above the heat exchange case 2100, and the first fixing base 100 and the second fixing base 200 are disposed along an up-down direction at intervals. It is understood that the first fixing base 100 may be connected to the fan case 1100 by welding, screw connection, etc., and the second fixing base 200 may be connected to the heat exchange case 2100 by welding, screw connection, etc.

Referring to fig. 1 and 2, it should be noted that, a guide hole 1110 is formed in an outer circumferential wall of the fan case 1100, the guide hole 1110 extends in a longitudinal shape in an up-down direction, an operation member 400 is disposed at an outer side of the fan case 1100, a portion of the operation member 400 passes through the guide hole 1110 and is fixedly connected with the latch 300, and the operation member 400 may have a structure such as a handle 410, so that the operation member 400 is manually pushed to move along the guide hole 1110 at the outer side of the fan case 1100, thereby enabling the latch 300 inside the case to move along the first chute 110; the outer circumferential wall of the heat exchange case 2100 is provided with a through hole (not shown in the drawing), the fastening member 500 is disposed at the outer side of the heat exchange case 2100, the fastening member 500 may be a bolt 510, a locking pin, or the like, and taking the bolt 510 as an example, it can be understood in conjunction with fig. 6 that the second fixing base 200 is provided with a dodging hole 230 corresponding to the bolt 510, so that one end of the bolt 510 can sequentially pass through the through hole and the dodging hole 230 and enter the second chute 210.

Fig. 1 is a schematic diagram showing that the latch 300 is in a locked state, it can be understood that after the fan case 1100 is matched with the heat exchange case 2100 in a positioning manner, when the latch 300 is pushed to be inserted into the second chute 210 by the operation member 400, the lock hole 310 of the latch 300 can be aligned with the through hole and the avoiding hole 230, and the latch 300 can not be separated from the second chute 210 by screwing the bolt 510 into the lock hole 310, so that the latch 300 can be locked in the second fixing seat 200, thereby achieving the purpose of locking the fan case 1100 and the heat exchange case 2100, and the connection structure is stable and reliable. When the fan box 1100 and the heat exchange box 2100 need to be detached, the bolt 510 is pulled out from the lock hole 310, so that the latch 300 is separated from the second fixing seat 200 to unlock, and at this time, the fan box 1100 and the heat exchange box 2100 can be separately carried, and fig. 2 is a schematic diagram showing a state that the latch 300 is separated from the bolt 510. The connecting component 3000 of the embodiment of the utility model can realize the rapid disassembly and assembly of the fan box 1100 and the heat exchange box 2100, and the fastener 500 is inserted into the lock hole 310 of the bolt 300 in the locking state, so that the condition that the connecting component 3000 is unlocked is avoided, and the assembly stability between the fan box 1100 and the heat exchange box 2100 is improved; and the operation piece 400 and the fastener 500 are respectively positioned at the outer side of the box body, and can be used for locking and unlocking without opening the door plate, so that the operation is convenient and quick, and the convenience of the air treatment unit after sale is effectively improved.

It should be noted that in the embodiments shown in fig. 1 and fig. 2, two connecting assemblies 3000 are provided, and two connecting assemblies 3000 are respectively mounted on two opposite sidewalls of the air treatment unit; it is understood that, in order to improve the stability of the connection between the first casing 1000 and the second casing 2000, the connection assembly 3000 may be provided in plurality and installed on three or four sidewalls of the air treatment unit, respectively; two connection assemblies 3000 may be provided for each side wall, or three or more may be provided, without limitation.

It can be appreciated that the first fixing base 100 and the second fixing base 200 are not limited to the installation positions of the above embodiments, and as another implementation manner, the first fixing base 100 may be fixedly connected to the heat exchange box 2100, and correspondingly, the second fixing base 200 is fixedly connected to the fan box 1100, so that the rapid and stable assembly of the air handling unit can be realized, and the specific connection structure is not repeated.

Referring to fig. 4 and 6, the connection assembly 3000 further includes an elastic member 600, one end of the elastic member 600 is connected with the first fixing seat 100, the other end of the elastic member 600 is connected with the latch 300, and an elastic force facing away from the second fixing seat 200 can be provided to the latch 300 by the elastic member 600, so that after the latch 300 is separated from the fastener 500, the latch 300 slides into the first chute 110 and is hidden in the first fixing seat 100 under the action of the elastic force, thereby realizing the reset of the latch 300, and as can be understood in conjunction with fig. 2, the lower end of the latch 300 is not exposed after the reset, so that the first box 1000 is convenient to carry, and when the first box 1000 is assembled, the latch 300 does not interfere with the operation process, and the structure is simple and practical.

Referring to fig. 4, it should be noted that, in the embodiment, the elastic member 600 is a spring 610, specifically, a tension spring, and considering that the latch 300 moves in the first chute 110, in order to prevent the spring 610 from interfering with the sliding process of the latch 300, in the embodiment, the spring 610 is disposed outside the first fixing base 100, and the connection position of the spring 610 may be set according to the actual use requirement, which is not limited specifically.

Referring to fig. 6, in the embodiment, one end of the bolt 510 is located at the outer side of the heat exchange tank 2100, and a handle 520 is provided at the outer side of the heat exchange tank 2100, and the handle 520 is connected with the bolt 510, so that the bolt 510 can be operated manually; the other end of the bolt 510 passes through the through hole and enters the inside of the heat exchange box 2100, a nut 530 is provided between the second fixing seat 200 and the inner circumferential wall of the heat exchange box 2100, the bolt 510 is connected with the nut 530, so that both ends of the bolt 510 are fixed, as can be understood with reference to fig. 1 and 2, the bolt 510 is not easily separated from the box body in the unlocking state, and thus the bolt 510 can be driven to be inserted into the lock hole 310 or separated from the lock hole 310 when the handle 520 is screwed; it should be noted that, the handle 520 is cylindrical, the diameter of the handle 520 is far greater than that of the bolt 510, and the outer peripheral wall of the handle 520 is provided with an anti-slip structure, so that the locking and unlocking can be realized quickly without using tools, and the operation is simple.

Referring to fig. 3, 5 and 6, the operation member 400 includes a handle 410 and a connection block 420, wherein the handle 410 is located at the outer side of the fan case 1100, one end of the connection block 420 is connected with the handle 410, and the other end passes through the guide hole 1110 and is fixedly connected with the latch 300, so that the handle 410 is linked with the latch 300 through the connection block 420, and the handle 410 can drive the connection block 420 to move along the guide hole 1110, thereby driving the latch 300 to move toward the heat exchange case 2100; because the handle 410 and the knob 520 of the bolt 510 are both positioned on the outer side of the box body, the door plate can be quickly operated to lock and unlock without opening the door plate and by means of tools during after-sale installation, and after-sale is more convenient.

It should be noted that, in this embodiment, the handle 410 is a pull cord, the pull cord is convenient for manual operation, and the pull cord structure does not affect the carrying of the case, and the structure is simple and practical. In alternative embodiments, the handle 410 may be replaced by other structures that facilitate manual operation, such as a cylindrical handle, a square lock handle, a kidney lock handle, etc., and in particular, in the embodiment shown in fig. 8, the handle 410 is a cylindrical handle and the handle 520 is a cylindrical handle.

As can be appreciated in connection with fig. 1 and 2, the specific disassembly process: when the bolt 510 is unscrewed by hand, the bolt 300 is lifted upwards under the action of the spring 610 after being separated from the bolt 510, so that the bolt 300 is separated from the second fixing seat 200 and slides into and is hidden in the first fixing seat 100, and at the moment, the fan box 1100 and the heat exchange box 2100 can be carried separately; and (3) a loading process: pulling down on the pull cord by hand and then tightening the bolt 510, a quick connection of the fan case 1100 to the heat exchanger case 2100 is achieved.

Referring to fig. 4, 5 and 6, it can be understood that the latch 300 includes a first plate 320, where the first plate 320 is a sheet metal part, two sides of the first plate 320 along a width direction are respectively bent to form folded edges 330, the folded edges 330 on two sides are arranged in parallel, and when the latch 300 slides along the first chute 110, the folded edges 330 on two sides can respectively abut against two opposite side walls of the first chute 110, so as to play a role in stable guiding; and the hem 330 and the first plate 320 are formed by stamping integrally, the cross section of the bolt 300 is approximately U-shaped by matching the hem 330 and the first plate 320, and compared with the structure of a straight plate, the bolt 300 of the embodiment has higher structural strength and stronger shock resistance, and when the bolt 300 is in a locking state, the bolt 300 is positioned between the first fixing seat 100 and the second fixing seat 200, plays a role of a supporting beam, and has more reliable structure.

It should be noted that, as can be understood from fig. 6, the locking hole 310 is formed at a position of the first plate 320 near the bottom end, and the specific position of the locking hole 310 is set according to the actual installation requirement, so that the locking hole 310 can correspond to the avoidance hole 230 and the through hole. One side of the bottom end of the latch 300 is provided with a bevel edge, so that the thickness of the end of the latch 300 is smaller, and the latch 300 can be conveniently and rapidly inserted into the second chute 210. As another embodiment, the first plate 320 may be bent to form the latch 300 with a square cross section, so as to further improve the structural strength of the latch 300.

Referring to fig. 6, it may be understood that the first fixing base 100 includes a second plate 120, the second fixing base 200 includes a third plate 220, the second plate 120 and the third plate 220 are all sheet metal parts, the first chute 110 is integrally formed by stamping the second plate 120, the second chute 210 is integrally formed by stamping the third plate 220, the second plate 120 and the third plate 220 are respectively bent to form multiple sections of surrounding edges, the second plate 120 defines the first chute 110 through the multiple sections of surrounding edges, and the third plate 220 defines the second chute 210 through the multiple sections of surrounding edges.

It should be noted that, as shown in fig. 6, in this embodiment, the cross sections of the first chute 110 and the second chute 210 are approximately square, so that the first chute 110 and the second chute 210 are matched with the plug 300, the plug 300 is limited in the first chute 110 and the second chute 210 along four directions, namely, front, back, left and right, so as to improve a more reliable supporting effect on the plug 300, and the connection structure is more reliable in a locking state. In alternative embodiments, the first runner 110 and the second runner 210 may be shaped in other suitable ways, with the particular shape of the first runner 110 and the second runner 210 being set according to the shape of the latch 300.

It can be appreciated that the first fixing base 100 and the second fixing base 200 are respectively formed by stamping and forming the first chute 110 and the second chute 210 integrally, so that the number of components of the connecting assembly 3000 is small, the overall appearance is concise, the structure of the connecting assembly is matched with the bolt 300 as a supporting beam, the impact resistance is strong, and the reliability is high.

Referring to fig. 4 and 7, the upper end of the latch 300 is provided with a limiting portion 331, the first fixing seat 100 is provided with a stop portion 130, the limiting portion 331 cooperates with the stop portion 130 to limit the relative displacement between the latch 300 and the first chute 110, specifically, the limiting portion 331 is a flange of the latch 300, which is bent outwards by the flange 330, and the flange 330 are integrally formed, for example, the flange can be formed by punching at the end of the flange 330. The stop parts 130 are formed at the end parts of the surrounding edges at two sides of the first fixing seat 100, and when the turnups are abutted with the end parts of the surrounding edges in the downward movement process of the pulling pins 300, the pins 300 are limited to move downwards continuously, so that the limiting purpose is achieved, the pins 300 cannot be separated from the first fixing seat 100 downwards, and the stability is higher; at this time, the locking hole 310 corresponds to the bolt 510, and thus the latch 300 can be rapidly locked.

It should be noted that, in alternative embodiments, the limiting portion 331 may be other limiting structures such as a bump provided on the flange 330, the shape of the stopping portion 130 may also be other forms such as a limiting groove matched with the limiting portion 331, and the limiting portion 331 and the stopping portion 130 may be formed in other suitable manners, which is not limited in particular.

Referring to fig. 6, the connection assembly 3000 further includes a shutter 700, the shutter 700 is fixedly connected to the connection block 420, the shutter 700 extends along the length direction of the guide hole 1110, and the width of the shutter 700 is greater than or equal to the width of the guide hole 1110; when handle 410 is pulled, shutter 700 moves along with connection block 420; as can be appreciated by combining fig. 1 and fig. 2, after being assembled in place, the shielding member 700 is located on the inner side wall of the fan case 1100 and opposite to the guide hole 1110, so that the shielding member 700 plays a role of shielding the guide hole 1110, thereby avoiding the influence of the guide hole 1110 on the overall appearance and improving the overall sealing effect of the fan case 1100. The specific size and shape of the shutter 700 may be set according to the shape of the guide hole 1110, and is not particularly limited.

Referring to fig. 3, 5 and 6, the outer circumferential wall of the first fixing base 100 is provided with two first lugs 140, the two first lugs 140 are respectively provided with first connection holes 141, and the first fixing base 100 is fixedly connected with the fan case 1100 through the first connection holes 141 by using screws, rivets and other components, so that the connection between the first fixing base 100 and the fan case 1100 is more reliable; the outer peripheral wall of the second fixing base 200 is provided with two second lugs 240, the two second lugs 240 are respectively provided with a second connecting hole 241, and the second fixing base 200 is fixedly connected with the heat exchange box 2100 through the second connecting holes 241 by means of screws, rivets and other components, so that the connection between the second fixing base 200 and the heat exchange box 2100 is more reliable.

It should be noted that, the first lug 140 and the first fixing base 100 are integrally formed by punching, and the second lug 240 and the second fixing base 200 are integrally formed by punching, which is beneficial to reducing the number of parts and making the overall structural strength of the connecting assembly 3000 higher. In alternative embodiments, the first lug 140 and the second lug 240 may be fixed by welding, and the connection is more reliable.

Referring to fig. 1, 2 and 8, the air treatment unit provided by the embodiment of the present utility model adopts the connecting assembly 3000 of the above embodiment to connect the first tank 1000 and the second tank 2000, so as to realize rapid disassembly and assembly between the first tank 1000 and the second tank 2000; and the operation piece 400 and the fastener 500 are respectively positioned at the outer sides of the first box 1000 and the second box 2000, the locking and unlocking operations can be performed without opening a door plate and by means of tools, the operation is convenient and fast, the structure is stable and reliable, and the convenience of the air treatment unit in installation and after-sales is effectively improved.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Coupling assembling, its characterized in that includes:

the first fixing seat is provided with a first chute;

the second fixing seat is arranged at intervals with the first fixing seat, and is provided with a second chute corresponding to the first chute;

the bolt is arranged on the first fixing seat and is in sliding connection with the first sliding groove, and the bolt is provided with a lock hole;

the operating piece is fixedly connected to one end of the latch, which is far away from the lock hole;

the fastener is arranged on the second fixing seat, and when the operating piece drives the bolt to be inserted into the second sliding groove, the fastener is inserted into the lock hole to lock the bolt.

2. The connection assembly of claim 1, further comprising an elastic member having one end connected to the first fixing base and the other end connected to the latch to provide an elastic force to the latch in a direction away from the second fixing base.

3. The connection assembly according to claim 1, wherein the fastener comprises a bolt, one end of the bolt is arranged through the second fixing seat, and the other end of the bolt is provided with a handle.

4. The connecting assembly according to claim 1, wherein the plug comprises a first plate body, two sides of the first plate body along the width direction are respectively formed with folded edges, and two folded edges are respectively abutted against two opposite side walls of the first sliding groove.

5. The connection assembly of claim 1 or 4, wherein the first mount comprises a second plate, the first runner being integrally stamped from the second plate; the second fixing seat comprises a third plate body, and the second sliding groove is formed by integrally punching the third plate body.

6. The connection assembly according to claim 1 or 4, wherein a limit portion is provided at an end of the latch remote from the second fixing base, the first fixing base is provided with a stop portion, and the limit portion cooperates with the stop portion to limit a relative displacement of the latch and the first chute.

7. Air treatment unit, its characterized in that includes:

the first box body is provided with a guide hole on the peripheral wall;

the outer peripheral wall of the second box body is provided with a through hole;

the connection assembly according to any one of claims 1 to 6, wherein the first fixing base is fixedly connected to an inner peripheral wall of the first case, the second fixing base is fixedly connected to an inner peripheral wall of the second case, the operation member is located on an outer peripheral wall of the first case and is connected to the latch through the guide hole, and the fastener extends from the outer peripheral wall of the second case to the second fixing base through the through hole.

8. The air treatment unit of claim 7, wherein the operating member comprises a handle and a connection block, the connection block being slidably connected to the guide hole, the handle being fixedly connected to the latch through the connection block.

9. The air handling unit of claim 7, wherein the connection assembly further includes a shield positioned within the first housing and fixedly coupled to the operating member, the shield extending along a length of the pilot hole.

10. The air treatment unit according to claim 7, wherein the outer peripheral wall of the first fixing base is provided with a first lug fixedly connected with the first box body; the periphery wall of the second fixing seat is provided with a second lug fixedly connected with the second box body.

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