A hot air output device for a drying apparatus

Abstract

The application discloses a hot air output device for a drying equipment, which comprises a peripheral plate assembly, a bottom surrounding plate assembly, a nozzle assembly and an inner connecting plate. The peripheral plate assembly comprises a top plate and side plates arranged on both sides of the top plate. The bottom surrounding plate assembly comprises a bottom plate connected with the side plates. The top plate, the side plates and the bottom plate enclose an air inlet cavity. The inner connecting plates are arranged between the two side plates and are distributed along the length direction of the bottom plate. The bottom of the inner connecting plate is inserted into the bottom plate, and the two sides of the inner connecting plate are respectively inserted into the two side plates. The nozzle assembly comprises an insertion slot and a nozzle. The two sides of the communication hole can be inserted into the insertion slot to form a connection. The application can stably connect, is not easy to deform, is convenient to assemble, and can save assembly time and processing cost.

Description

A hot air output device for drying equipment Technical Field

[0001] This invention relates to the field of drying equipment technology, and in particular to a hot air output device for drying equipment. Background Technology

[0002] After dyeing, some fabrics require drying to solidify the dyeing effect. The industry typically uses drying equipment for this purpose. This equipment usually includes an air jet device that sprays heated air, ensuring thorough contact with the fabric for drying. Existing air jet devices typically consist of an air chamber and nozzles connected together. Heated air enters through the air chamber and exits through the nozzles. The air chamber is generally formed by multiple large-format sheet metal panels. During production, these panels are first welded together to form the air chamber. Then, two side plates and partitions are welded together to form nozzles with multiple nozzle openings. Finally, the nozzles are attached to the bottom of the air chamber formed by the sheet metal panels. This welding method results in excessive rigidity, making it difficult to adjust the gap between the air chamber sheet metal and the nozzles. This welding method is not suitable for welding large-format sheet metal and often causes deformation due to their length. Deformed nozzles are difficult to fit into the air chamber sheet metal, increasing assembly difficulty and affecting the airtightness between the nozzles and the air chamber sheet metal. Furthermore, it significantly increases welding time and costs. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a hot air output device for drying equipment that can be stably connected, is not easily deformed, is easy to assemble, and can save assembly time and processing costs.

[0004] To address the aforementioned technical problems, the present invention provides a hot air output device for a drying equipment, comprising an outer plate assembly, a bottom plate assembly, and a nozzle assembly. The outer plate assembly includes a top plate and side plates, with the side plates disposed on both sides of the top plate. The bottom plate assembly includes a bottom plate, which is disposed below the top plate and connected to the side plates. The top plate, side plates, and bottom plate form an air inlet cavity, with one side of the air inlet cavity serving as an air inlet. A connecting hole is formed between the bottom plate and the bottom of the side plates, located at the bottom of the air inlet cavity and communicating with it.

[0005] It also includes multiple inner connecting plates, which are distributed along the length of the base plate and disposed between the two side plates. The bottom of the inner connecting plate is inserted into the base plate, and the two sides of the inner connecting plate are respectively inserted into the two side plates.

[0006] The nozzle assembly includes a insertion slot and an nozzle located below the insertion slot. Both sides of the connecting hole can be inserted into the insertion slot to form a connection, and the connecting hole communicates with the nozzle.

[0007] As an improvement to the above solution, the inner connecting plate includes a bottom connecting part and a support part elastically connected to both sides of the bottom connecting part. The bottom connecting part is provided with a first insert block, and the bottom plate is provided with a first insertion hole. The bottom connecting part abuts against the bottom plate, and the first insert block can be inserted into the first insertion hole. The side of the support part abuts against the side plate. The support part is provided with a second insert block, and the side plate is provided with a second insertion hole. The second insert block can be inserted into the second insertion hole.

[0008] As an improvement to the above solution, the inner connecting plate further includes a bending portion, which is connected between the bottom connecting portion and the support portion. The bending portion slopes upward from the side of the bottom connecting portion and is connected to the upper part of the support portion.

[0009] As an improvement to the above solution, the bottom plate is provided with a first folding plate on both sides, the first folding plate being inclined downward toward the center of the bottom plate, and the bottom of the side plate is provided with a second folding plate, the second folding plate being inclined downward toward the outside of the side plate. The first folding plate and the second folding plate form an "eight" shape, and the first folding plate and the second folding plate surround the communicating hole, and the first folding plate and the second folding plate can be inserted into the insertion slot.

[0010] As an improvement to the above solution, the nozzle assembly includes a left plate, a right plate, and multiple partitions. A gap is provided between the left plate and the right plate, and the multiple partitions are disposed in the gap between the left plate and the right plate. A ventilation cavity is formed between two adjacent partitions. The upper end of the ventilation cavity is connected to the connecting hole, and the lower end of the ventilation cavity is connected to the nozzle.

[0011] As an improvement to the above solution, the upper part of the left plate is provided with a left hook plate, which is inclined upward towards the inside of the connecting hole. The upper part of the right plate is provided with a right hook plate, which is inclined upward towards the inside of the connecting hole. The left hook plate and the right hook plate form the insertion groove. After the first folding plate and the second folding plate are inserted into the insertion groove, the lower side of the left hook plate can abut against the upper side of the first folding plate, and the lower side of the right hook plate can abut against the lower side of the second folding plate.

[0012] As an improvement to the above solution, a front sealing plate is also included. The front sealing plate includes an upper sealing part and a lower sealing part that are perpendicular to each other. Both sides of the upper sealing part are provided with front sealing folds. The edge of the front sealing fold is provided with a third insert block. The side plate is provided with a third insertion hole. The third insert block can be inserted into the third insertion hole.

[0013] The end of the first folding plate is provided with a fourth insert block protruding toward the front sealing plate, and the lower sealing part is provided with a fourth insertion hole, and the fourth insert block can be inserted into the fourth insertion hole.

[0014] As an improvement to the above solution, a rear sealing plate is also included. The top plate, the side plate and the bottom plate are provided with a fifth insert block that protrudes in a direction away from the front sealing plate at one end. The rear sealing plate is provided with a fifth insertion hole, and the fifth insert block can be inserted into the fifth insertion hole.

[0015] As an improvement to the above solution, a rear connecting plate is also included. The left plate and the right plate are provided with a sixth insert block that protrudes in a direction away from the front sealing plate at one end. The rear connecting plate is provided with a sixth insertion hole, and the sixth insert block can be inserted into the sixth connection hole.

[0016] As an improvement to the above solution, the partition is provided with a seventh insertion block protruding towards the left plate and the right plate on both sides, and a seventh insertion hole is provided on both the left plate and the right plate, and the seventh insertion block can be inserted into the seventh insertion hole.

[0017] Implementing this invention has the following beneficial effects:

[0018] The hot air output device for drying equipment of the present invention includes an outer plate assembly, a bottom plate assembly, and a nozzle assembly. The top plate and side plate of the outer plate assembly and the bottom plate of the bottom plate assembly form an air inlet chamber. One side of the air inlet chamber is an air inlet. A connecting hole is formed between the bottom plate and the bottom of the side plate. Heated gas enters the air inlet chamber through the air inlet and enters the nozzle assembly through the connecting hole. The gas is finally output from the nozzle of the nozzle assembly to dry the fabric. Multiple inner connecting plates are provided between the two side plates. These inner connecting plates are distributed along the length of the base plate. The bottom of each inner connecting plate is inserted into the base plate, and the two sides of each inner connecting plate are respectively inserted into the side plates on both sides. The inner connecting plates can connect the side plates and the base plate together. The multiple inner connecting plates can strengthen the connection between the side plates and the base plate, making the connection stable and preventing the outer plate assembly and the base plate assembly from deforming. The nozzle assembly is provided with a plug-in groove, and the two sides of the connecting hole can be inserted into the plug-in groove to form a connection. By plugging in, the nozzle assembly can be easily installed and fitted with the outer plate assembly and the base plate assembly, further saving welding time and welding costs. Attached Figure Description

[0019] Figure 1 is a schematic diagram of the hot air output device for drying equipment according to the present invention;

[0020] Figure 2 is a schematic cross-sectional view of the hot air output device for drying equipment according to the present invention;

[0021] Figure 3 is a magnified view of part A in Figure 2;

[0022] Figure 4 is a partial structural diagram of the front side of the hot air output device for the drying equipment of the present invention;

[0023] Figure 5 is a partial structural schematic diagram of the rear side of the hot air output device for the drying equipment of the present invention. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings. It is hereby declared that the directional terms such as up, down, left, right, front, back, inside, and outside used in this text are based solely on the accompanying drawings and are not intended to specifically limit the invention.

[0025] Referring to Figures 1 and 2, this embodiment of the invention discloses a hot air output device for a drying equipment, including an outer plate assembly 1, a bottom plate assembly 2, and a nozzle assembly 3. The outer plate assembly 1 includes a top plate 11 and side plates 12, which are formed by bending the same sheet metal without welding. The side plates 12 are disposed on both sides of the top plate 11. The bottom plate assembly 2 includes a bottom plate 21, which is disposed below the top plate 11 and connected to the side plates 12. The top plate 11, the side plates 12, and the bottom plate 21 are... The top plate 11, the side plate 12, and the bottom plate 21 form the four sides of the air intake cavity 13. One side of the air intake cavity 13 is the air inlet 131. A connecting hole 22 is formed between the bottom plate 21 and the bottom of the side plate 12. The connecting hole 22 is located at the bottom of the air intake cavity 13 and communicates with the air intake cavity 13. The heated gas enters the air intake cavity 13 through the air inlet 131 and is discharged from the connecting hole 22 at the bottom of the air intake cavity 13 into the nozzle assembly 3. Finally, the gas is sprayed out from the nozzle assembly 3 to dry the fabric.

[0026] To facilitate the connection between the base plate 21 and the side plate 12 and to provide a certain adjustment space, the hot air output device for the drying equipment further includes multiple inner connecting plates 4. These inner connecting plates 4 are distributed along the length of the base plate 21 and positioned between the two side plates 12, connecting the base plate 21 and the side plates 12. The bottom of each inner connecting plate 4 is inserted into the base plate 21, and both sides of each inner connecting plate 4 are inserted into the side plates 12 on either side. This insertion method is simpler and faster than welding, saving assembly time and welding costs. Furthermore, the multiple inner connecting plates 4 connecting the base plate 21 and the side plates 12 along the length of the base plate 21 provides a stable connection, preventing deformation of the outer plate assembly 1 and the base plate 21 assembly and ensuring sufficient connection strength. The nozzle assembly 3 includes a insertion slot 35 and a nozzle 36 located below the insertion slot 35. Both sides of the connecting hole 22 can be inserted into the insertion slot 35 to form a connection. The connecting hole 22 communicates with the nozzle 36, and gas is ultimately ejected from the nozzle 36. The nozzle assembly 3 is connected to the base plate 21 and the side plate 12, further strengthening the connection between the base plate 21 and the side plate 12, and allowing the nozzle assembly 3 to communicate with the connecting hole 22. The insertion method simplifies and speeds up assembly, saving installation time and reducing welding costs. Furthermore, there are multiple inner connecting plates 4 evenly distributed along the length of the base plate 21. Therefore, the size of the connecting hole 22 between the side plate 12 and the base plate 21 can be adjusted along the length of the base plate 21. Even if the nozzle assembly 3 or the connecting hole 22 deforms, the nozzle assembly 3 can still be easily inserted through adjustment.

[0027] The beneficial effects of the embodiments of the present invention are as follows:

[0028] The hot air output device for the drying equipment in this embodiment of the invention includes an outer plate assembly 1, a bottom plate assembly 2, and a nozzle assembly 3. The top plate 11 and side plate 12 of the outer plate assembly 1 and the bottom plate 21 of the bottom plate assembly 2 form an air inlet chamber 13. One side of the air inlet chamber 13 is an air inlet 131. A connecting hole 22 is formed between the bottom plate 21 and the bottom of the side plate 12. The heated gas enters the air inlet chamber 13 through the air inlet 131 and enters the nozzle assembly 3 through the connecting hole 22. The gas is finally output from the nozzle 36 of the nozzle assembly 3 to dry the fabric. Multiple inner connecting plates 4 are provided between the two side plates 12. The multiple inner connecting plates 4 are distributed along the length direction of the base plate 21. The bottom of the inner connecting plate 4 is inserted into the base plate 21, and the two sides of the inner connecting plate 4 are respectively inserted into the side plates 12 on both sides. The inner connecting plates 4 can connect the side plates 12 and the base plate 21 together. The multiple inner connecting plates 4 can strengthen the connection between the side plates 12 and the base plate 21, making the connection stable and the outer plate assembly 1 and the bottom plate assembly 2 less prone to deformation. The nozzle assembly 3 is provided with a plug-in groove 35. The two sides of the connecting hole 22 can be inserted into the plug-in groove 35 to form a connection. By plugging in, the nozzle assembly 3 can be easily installed and matched with the outer plate assembly 1 and the bottom plate assembly 2, which can further save welding time and welding costs.

[0029] The inner connecting plate 4 includes a bottom connecting portion 41 and support portions 42 elastically connected to both sides of the bottom connecting portion 41. The bottom connecting portion 41 and the support portions 42 form an angle. The bottom connecting portion 41 is connected to the base plate 21, and the support portions 42 are connected to the side plate 12. Specifically, the bottom connecting portion 41 is provided with a first insert 411, and the base plate 21 is provided with a first insertion hole 211. The bottom connecting portion 41 abuts against the base plate 21, and the first insert 411 can be inserted into the first insertion hole 211. After connecting the first insertion block 411 to the first insertion hole 211, a tool is used to bend the first insertion block 411 so that it hooks onto the edge of the first insertion hole 211, thereby forming a fixed connection. The side of the support part 42 abuts against the side plate 12. The support part 42 is provided with a second insertion block 421, and the side plate 12 is provided with a second insertion hole 121. The second insertion block 421 can be inserted into the second insertion hole 121. After the second insertion block 421 is inserted into the second insertion hole 121, a tool is used to bend the second insertion block 421 so that it hooks onto the edge of the second insertion hole 121, thereby forming a fixed connection. The plug-in connection facilitates the connection between the side plate 12 and the base plate 21. Compared to traditional welding, the bottom connecting part 41 and the support part 42 are elastically connected. Specifically, the elastic connection is achieved by setting a bent sheet metal between the bottom connecting part 41 and the support part 42. This allows the distance between the base plate 21 and the side plate 12 to be adjusted. Furthermore, the number of inner connecting plates 4 is multiple, which can be evenly arranged in the air cavity along the length of the base plate 21. This allows the distance between the base plate 21 and the side plate 12 to be adjusted along its length, so that the nozzle assembly 3 can be easily inserted into the connecting hole 22 without being affected by deformation.

[0030] The inner connecting plate 4 also includes a bent portion 43, which connects the bottom connecting portion 41 and the support portion 42. The bottom connecting portion 41, the bent portion 43, and the support portion 42 are formed by bending the same sheet metal, without welding. The bent portion 43 slopes upward from the side of the bottom connecting portion 41 and connects to the upper part of the support portion 42. The bent portion 43 forms an obtuse angle with the bottom connecting portion 41 to facilitate the connection between the bottom connecting portion 41 and the base plate 21. The part 43 forms an acute angle with the support part 42 so that the support part 42 abuts against the side plate 12. The bent part 43 is inclinedly connected between the bottom connecting part 41 and the support part 42, so that the bottom connecting part 41 and the support part 42 have a certain elasticity. The gap between the bottom connecting part 41 and the support part 42 has a certain adjustment space, thereby allowing the size of the connecting hole 22 between the side plate 12 and the bottom plate 21 to be adjusted, which facilitates the insertion of the nozzle assembly 3.

[0031] To connect the nozzle assembly 3, the base plate 21 has first folding plates 212 on both sides, which are inclined downwards towards the center of the base plate 21. The side plate 12 has a second folding plate 122 at its bottom, which is inclined downwards towards the outer side of the side plate 12. The first folding plates 212 and 122 form a figure-eight shape, surrounding the connecting hole 22. The figure-eight shaped connecting hole 22 increases the outlet cross-section, reducing the airflow velocity after heating, thereby reducing noise from the airflow entering the nozzle assembly 3 through the connecting hole 22. Furthermore, the side of the connecting hole 22 provides insertion space and a support structure for the nozzle assembly 3.

[0032] Specifically, the nozzle assembly 3 includes a left plate 31, a right plate 32, and a partition 33. A gap is provided between the left plate 31 and the right plate 32. Multiple partitions 33 are disposed in the gap between the left plate 31 and the right plate 32. A ventilation cavity 34 is formed between two adjacent partitions 33. The upper end of the ventilation cavity 34 is connected to the connecting hole 22. Heated air enters the ventilation cavity 34 through the connecting hole 22. The lower end of the ventilation cavity 34 is connected to the nozzle 36. The airflow is finally ejected from the nozzle 36. The upper part of the left plate 31 is provided with a left hook plate 311, and the upper part of the right plate 32 is provided with a right hook plate 321. The left hook plate 311 and the right hook plate 321 form the insertion groove 35. The left hook plate 311 is inclined upward towards the inside of the connecting hole 22, and its inclination direction is the same as the inclination direction of the first folding plate 212. When the nozzle assembly 3 is inserted into the outside of the connecting hole 22, the first folding plate 212 and the second folding plate 322 are inserted into the insertion groove 35. The lower side of the left hook plate 311 can abut against the upper side of the first folding plate 212, and the first folding plate 212 provides support for the left hook plate 311. The right hook plate 311... The first hook plate 212 and the second hook plate 122 are inclined upwards towards the inside of the connecting hole 22. The inclination direction of the right hook plate 321 is the same as that of the second folding plate 122. When the nozzle assembly 3 is inserted into the outside of the connecting hole 22, the first folding plate 212 and the second folding plate 122 are inserted into the insertion groove 35. The lower side of the right hook plate 321 can abut against the lower side of the second folding plate 122, and the right hook plate 321 provides support for the second folding plate 122. Moreover, combined with the support of the left hook plate 311 for the first folding plate 212, the left hook plate 311 and the right hook plate 321 completely restrict the freedom of the nozzle assembly 3 in the left and right directions. In addition, under the action of gravity, the left hook plate 311 presses down on the first folding plate 212, and the right hook plate 321 presses down on the second folding plate 122. This pressing method forms a good sealing effect and can effectively prevent gas leakage. Moreover, this plug-in method can greatly improve assembly efficiency. Furthermore, due to the adjustment effect of the inner connecting plate 4, even if the left plate 31, the right plate 32, the left hook plate 311, the right hook plate 321, the first folding plate 212, or the second folding plate 122 are deformed, the nozzle assembly 3 can still be inserted into the connecting hole 22 by adjustment, which further facilitates installation.

[0033] To ensure a stable connection of the nozzle assembly 3, the partition 33 has a seventh insert 331 protruding towards the left plate 31 and the right plate 32 on both sides. The left plate 31 and the right plate 32 are each provided with a seventh insertion hole 312. The seventh insert 331 can be inserted into the seventh insertion hole 312. After the seventh insert 331 is inserted into the seventh insertion hole 312, the seventh insert 331 is bent using a tool so that it is fastened to the surface of the left and right plates 32. This can enhance the connection stability between the left plate 31, the right plate 32 and the partition 33, and also improve the sealing of the venting chamber 34.

[0034] To further improve the connection stability between the nozzle assembly 3 and the peripheral plate assembly 1, and to restrict the freedom of the nozzle assembly 3 in the front-to-back direction, the hot air output device for the drying equipment also includes a front sealing plate 5. The front sealing plate 5 includes an upper sealing part 51 and a lower sealing part 52 that are perpendicular to each other. The upper sealing part 51 and the lower sealing part 52 form a "7" shape. Both sides of the upper sealing part 51 are provided with front sealing flanges 511. The front sealing flanges 511 protrude upwards. The edge of the front sealing flanges 511 is provided with a third insert 512. There are multiple third inserts 512 arranged longitudinally. The side plate 12 is provided with a third insertion hole 123. The position of the third insertion hole 123 corresponds to the position of the third insert 512. The third insert 512 can be inserted into the third insertion hole 123 to form a fixation. Moreover, the third insert 512 and the third insertion hole 123 are longitudinally distributed, which has better longitudinal force performance.

[0035] The first folding plate 212 has a fourth insert 213 protruding towards the front sealing plate 5 at its end. The lower sealing part 52 has a fourth insertion hole 521, and the fourth insert 213 can be inserted into the fourth insertion hole 521 to form a fixed connection. After the third insert 512 and the fourth insert 213 are respectively inserted into the third insertion hole 123 and the fourth insertion hole 521, the third insert 512 and the fourth insert 213 are bent with a tool to fasten them to the sheet metal surface, which can achieve a more secure connection.

[0036] Furthermore, the hot air output device for the drying equipment also includes a rear sealing plate 6. A fifth insert 111 protrudes from the end of the top plate 11, the side plate 12, and the bottom plate 21 away from the front sealing plate 5. The rear sealing plate 6 has a fifth insertion hole 61. The fifth insert 111 can be inserted into the fifth insertion hole 61 to form a fixed connection. After the fifth insert 111 is inserted into the fifth insertion hole 61, it can be bent using a tool to fasten it to the surface of the rear sealing plate 6, thereby strengthening the fixing effect. The rear sealing plate 6 serves both to fix the side plate 12 and the top plate 11 and to seal the air inlet chamber 13. The hot air output device for the drying equipment also includes a rear connecting plate 7. The left plate 31 and the right plate 32 are provided with a sixth insert 322 protruding in a direction away from the front sealing plate 5 at one end. The rear connecting plate 7 is provided with a sixth insertion hole 71. The sixth insert 322 can be inserted into the sixth connection hole to form a fixed connection. After the sixth insert 322 is inserted into the sixth insertion hole 71, the sixth insert 322 is bent with a tool so that it is fastened to the surface of the rear connecting plate 7, which can strengthen the fixing effect.

[0037] The above are preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A hot air output device for a drying equipment, characterized in that, The device includes an outer plate assembly, a bottom plate assembly, and a nozzle assembly. The outer plate assembly includes a top plate and side plates, with the side plates located on both sides of the top plate. The bottom plate assembly includes a bottom plate located below the top plate and connected to the side plates. The top plate, side plates, and bottom plate form an air intake chamber, with one side of the air intake chamber serving as an air inlet. A connecting hole is formed between the bottom plate and the bottom of the side plates, located at the bottom of the air intake chamber and communicating with it. The device also includes multiple inner connecting plates, distributed along the length of the bottom plate and positioned between two side plates. The bottom of each inner connecting plate is inserted into the bottom plate, and the two sides of each inner connecting plate are respectively inserted into the two side plates. The nozzle assembly includes a insertion groove and a nozzle located below the insertion groove. The two sides of the connecting hole can be inserted into the insertion groove to form a connection, and the connecting hole communicates with the nozzle.

2. The hot air output device for a drying equipment according to claim 1, characterized in that, The inner connecting plate includes a bottom connecting part and a support part elastically connected to both sides of the bottom connecting part. The bottom connecting part is provided with a first insert block, and the bottom plate is provided with a first insertion hole. The bottom connecting part abuts against the bottom plate, and the first insert block can be inserted into the first insertion hole. The side of the support part abuts against the side plate. The support part is provided with a second insert block, and the side plate is provided with a second insertion hole. The second insert block can be inserted into the second insertion hole.

3. The hot air output device for a drying equipment according to claim 2, characterized in that, The inner connecting plate also includes a bending portion, which is connected between the bottom connecting portion and the support portion. The bending portion slopes upward from the side of the bottom connecting portion and is connected to the upper part of the support portion.

4. The hot air output device for a drying equipment according to claim 1, characterized in that, The base plate has a first folding plate on both sides, which is inclined downward toward the center of the base plate. The bottom of the side plate has a second folding plate, which is inclined downward toward the outside of the side plate. The first folding plate and the second folding plate form an "eight" shape. The first folding plate and the second folding plate form the connecting hole, and the first folding plate and the second folding plate can be inserted into the insertion slot.

5. The hot air output device for a drying equipment according to claim 4, characterized in that, The nozzle assembly includes a left plate, a right plate, and multiple partitions. A gap is provided between the left plate and the right plate. The multiple partitions are disposed in the gap between the left plate and the right plate. A ventilation cavity is formed between two adjacent partitions. The upper end of the ventilation cavity is connected to the connecting hole, and the lower end of the ventilation cavity is connected to the nozzle.

6. The hot air output device for a drying equipment according to claim 5, characterized in that, The upper part of the left plate is provided with a left hook plate, which is inclined upward towards the inside of the connecting hole. The upper part of the right plate is provided with a right hook plate, which is inclined upward towards the inside of the connecting hole. The left hook plate and the right hook plate form the insertion groove. After the first folding plate and the second folding plate are inserted into the insertion groove, the lower side of the left hook plate can abut against the upper side of the first folding plate, and the lower side of the right hook plate can abut against the lower side of the second folding plate.

7. The hot air output device for a drying equipment according to claim 6, characterized in that, It also includes a front sealing plate, which includes an upper sealing portion and a lower sealing portion that are perpendicular to each other. The upper sealing portion has a front sealing fold on both sides, and the edge of the front sealing fold is provided with a third insert block. The side plate is provided with a third insertion hole, and the third insert block can be inserted into the third insertion hole. The end of the first fold plate is provided with a fourth insert block that protrudes toward the front sealing plate, and the lower sealing portion is provided with a fourth insertion hole, and the fourth insert block can be inserted into the fourth insertion hole.

8. The hot air output device for a drying equipment according to claim 7, characterized in that, It also includes a rear sealing plate, wherein the top plate, the side plate and the bottom plate are provided with a fifth insert block at the end away from the front sealing plate, protruding in a direction away from the front sealing plate, and the rear sealing plate is provided with a fifth insertion hole, and the fifth insert block can be inserted into the fifth insertion hole.

9. The hot air output device for a drying equipment according to claim 8, characterized in that, It also includes a rear connecting plate, and the middle of the left plate and the right plate is provided with a sixth insert block that protrudes in a direction away from the front sealing plate at one end. The rear connecting plate is provided with a sixth insertion hole, and the sixth insert block can be inserted into the sixth insertion hole.

10. The hot air output device for a drying equipment according to claim 5, characterized in that, The partition has a seventh insertion block protruding towards the left and right plates on both sides, and a seventh insertion hole is provided on both the left and right plates, and the seventh insertion block can be inserted into the seventh insertion hole.

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