CN215489954U - Air duct assembly fixing structure and warmer - Google Patents

Abstract

An air duct component fixing structure comprises a front shell, a rear shell and an air duct component positioned between the front shell and the rear shell, wherein the air duct component comprises a PTC heating element, a PTC fixing support and an air guide fan, an installation cavity matched with the air guide fan is arranged in the PTC fixing support, a plurality of extension parts arranged at intervals in parallel are arranged at the upper part of the PTC heating element, clamping grooves arranged at intervals are arranged at the upper part of the PTC fixing support, the extension parts are clamped in the clamping grooves, the air guide fan is fixedly installed at one end, far away from the PTC heating element, of the PTC fixing support, a first buckle is arranged on the outer end face of the PTC fixing support, and the air guide fan is provided with a clamping groove matched with the first buckle; be provided with buckle and lower buckle on the preceding shell inner wall, PTC fixed bolster upper portion is provided with first cooperation portion, goes up the buckle be used for with first cooperation portion joint, and PTC fixed bolster lower part is provided with second cooperation portion, lower buckle and second cooperation portion joint to a room heater is provided. This practicality is through buckle assembly, and it is stable to connect, and the assembly is swift, very practical.

Description

Air duct assembly fixing structure and warmer

Technical Field

The utility model relates to the field of heaters, in particular to an air duct component fixing structure and a heater.

Background

The heating element of the existing warmer in the market adopts a PTC heating element, the PTC heating element adopts a PTC ceramic piece as the heating element, and compared with the traditional heating wire, an electric heating tube and a far infrared quartz electric heater, the PTC heating element has the characteristics of automatic temperature control, no open fire, safety, reliability, long service life and the like. For the heater using the PTC heating element, the PTC heating element is within a dimensional tolerance range in actual production, and the larger the basic size of the heating element is, the larger the tolerance range is, so that the installation and fixation of the PTC heating element are the key points of the structural design. The fixed mode of present room heater wind channel subassembly is screwed connection, and the assembly is inconvenient, production efficiency is low, has certain improvement space.

Therefore, a more reasonable air duct component fixing structure and a warmer applying the air duct component fixing structure are designed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an air duct component fixing structure and a warmer, which are convenient to assemble and high in production efficiency.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an air duct component fixing structure comprises a front shell, a rear shell and an air duct component positioned between the front shell and the rear shell, wherein the air duct component comprises a PTC heating element, a PTC fixing support and an air guide fan, an installation cavity matched with the air guide fan is arranged in the PTC fixing support, a plurality of extension parts arranged at intervals in parallel are arranged on the upper portion of the PTC heating element, clamping grooves arranged at intervals are arranged on the upper portion of the PTC fixing support, the extension parts are clamped in the clamping grooves, the air guide fan is fixedly installed at one end, far away from the PTC heating element, of the PTC fixing support, a first buckle is arranged on the outer end face of the PTC fixing support, and the air guide fan is provided with a clamping groove matched with the first buckle;

preceding shell inner wall is last to be provided with buckle and lower buckle, PTC fixed bolster upper portion is provided with first cooperation portion, goes up the buckle and is used for with first cooperation portion joint, PTC fixed bolster lower part is provided with second cooperation portion, buckle and second cooperation portion joint down.

Further, be provided with a plurality of spacing posts on the inner wall of backshell, spacing post and wind-guiding fan butt.

Further, first buckle includes first cantilever plate, first cantilever plate extends outwards from the outer end face of PTC fixed bolster, first cantilever plate is vertical to be set up, one side integrated into one piece that first cantilever plate faced wind-guiding fan has first hook portion, first hook portion and draw-in groove joint.

Further, an outer rubbing plate part is integrally formed on the outer end face of the PTC fixing support in the circumferential direction outwards, the first cantilever plate is integrally formed on the outer rubbing plate part, and a first reinforcing rib is further arranged between the outer rubbing plate and the first cantilever plate.

Furthermore, the upper buckle, the lower buckle and the front shell are of an integrated structure.

Further, go up the buckle and include that the T word strengthens the platform and the second cantilever plate that stretches out from preceding shell inner wall level, the T word strengthens platform lower extreme and second cantilever plate connection, second cantilever plate lower surface integrated into one piece has second hook portion, second hook portion and second cooperation portion joint.

Further, lower buckle includes the third cantilever plate that stretches out from preceding shell inner wall level, third cantilever plate upper surface integrated into one piece has third hook portion, third hook portion is used for with second cooperation portion joint.

Further, the first fitting portion includes a lower guide groove, and the second fitting portion includes an upper guide groove.

A warmer comprises a chassis assembly, an air duct assembly, a front shell, a rear shell, a control panel and a handle, and the warmer adopts any one of the air duct assembly fixing structures.

Compared with the prior art, the air duct component fixing structure and the warmer have the following beneficial effects: the air duct fixing structure is optimized, screw connection is omitted, and assembly is convenient, so that production efficiency is improved, and production cost is reduced. Meanwhile, the limiting columns capable of guiding the wind and the fan are integrally formed on the rear shell, so that the fan cannot shake during operation, the operation is more stable, the whole structure is more firm, and the fan is durable. In addition, the concrete structure of buckle has also been designed meticulously, can simplify the structure as far as possible when guaranteeing structural strength, adopts the integrated design to the great junction of atress has set up additional strengthening when a plurality of assembles, and the long service life of equipment, user experience is good, has fine popularization and application and worth.

Drawings

Fig. 1 is an exploded view of the warmer of the present invention.

FIG. 2 is an enlarged view of part A of the warmer of the present invention.

Figure 3 is an exploded view of the air duct assembly of the present invention.

FIG. 4 is a front view of the air duct assembly, front housing, of the present invention.

FIG. 5 is an enlarged view of portion B of the air duct assembly of the present invention.

FIG. 6 is an enlarged view of portion C of the air duct assembly of the present invention.

Fig. 7 is a sectional view of the warmer of the present invention.

Reference numerals: 1. a front housing; 11. an upper buckle; 111. a T-shaped reinforcing platform; 112. a second cantilever plate; 113. a second hook portion; 12. a lower buckle; 121. a third cantilever plate; 122. a third hook portion; 2. a rear housing; 21. a limiting column; 3. a PTC heating element; 31. an extension portion; 4. a PTC fitting bracket; 41. a clamping groove; 42. a first buckle; 421. a first cantilever plate; 422. a first hook portion; 423. an outer rubbing plate portion; 43. a first mating portion; 431. a lower guide groove; 44. a second mating portion; 441. an upper guide groove; 5. a wind guide fan; 51. a card slot;

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, an air duct component fixing structure, including preceding shell 1, backshell 2, and be located the air duct component between preceding shell 1 and backshell 2, the air duct component includes PTC heat-generating body 3, PTC fixed bolster 4 and wind-guiding fan 5, be provided with in the PTC fixed bolster 4 with wind-guiding fan 5 assorted installation cavity, PTC heat-generating body 3 upper portion is provided with a plurality of extensions 31 that set up side by side at the interval, PTC fixed bolster 4 upper portion is provided with the screens groove 41 that the interval set up, extension 31 card is established in screens groove 41, it is spacing effectual.

One end fixed mounting that PTC fixed bolster 4 kept away from PTC heat-generating body 3 has wind-guiding fan 5, the outer terminal surface of PTC fixed bolster 4 is provided with first buckle 42, wind-guiding fan 5 four corners department be provided with first buckle 42 assorted draw-in groove 51, joint cooperation through first buckle 42 and draw-in groove 51, can fix wind-guiding fan 5 on the wind channel subassembly steadily, the speed of assembly has been accelerated simultaneously, this embodiment is provided with four first buckle 42 altogether, the card is established in the draw-in groove 51 of wind-guiding fan 5 four corners department correspondingly respectively, the setting of four of quantity has adapted to the structure of wind-guiding fan 5 rectangle form, can be when guaranteeing the connection steadiness, the quantity of connecting piece is simplified as far as possible, make the structure more retrench.

In an alternative embodiment, the first buckle 42 has a specific structure that the first buckle 42 includes a first cantilever plate 421, the first cantilever plate 421 extends outward from the outer end surface of the PTC fixing bracket 4, the first cantilever plate 421 is vertically disposed, the first cantilever plate 421 can bear a certain elastic deformation, a first hook portion 422 is integrally formed on one side of the first cantilever plate 421 facing the air guiding fan 5, and the first hook portion 422 is used for being clamped with the clamping groove 51 to realize detachable connection.

The outer end face of the PTC fixing support 4 is circumferentially and outwardly integrally formed with an outer rubbing plate portion 423, the first cantilever plate 421 is integrally formed on the outer rubbing plate portion 423, a first reinforcing rib is further arranged between the outer rubbing plate and the first cantilever plate 421, the arrangement of the reinforcing rib is convenient for the arrangement of the outer rubbing plate portion 423, the structural strength is guaranteed, the size increase of the outer end face of the PTC fixing support 4 is avoided, the cost is saved, and the effect of reinforcing the local structure is achieved.

Be provided with buckle 11 and lower buckle 12 on the preceding shell 1 inner wall, 4 upper portions of PTC fixed bolster be provided with last buckle 11 assorted first cooperation portion 43, go up buckle 11 be used for with first cooperation portion 43 joint, 4 lower parts of PTC fixed bolster be provided with buckle 12 assorted second cooperation portion 44 down, lower buckle 12 be used for with second cooperation portion 44 joint.

In this embodiment, the upper buckle 11, the lower buckle 12 and the front shell 1 are integrated, which has the advantages of ensuring the connection strength of the structure, simplifying the structure and reducing the cost.

Optionally, in this embodiment, the specific structure of the upper buckle 11 is as follows, the upper buckle 11 includes a T-shaped reinforcing platform 111 and a second cantilever plate 112 horizontally extending from the inner wall of the front housing 1, the lower end of the T-shaped reinforcing platform 111 is connected to the second cantilever plate 112, a second hook portion 113 is integrally formed on the lower surface of the second cantilever plate 112, and the second hook portion 113 is used for being buckled with the second matching portion 44.

Optionally, in this embodiment, the specific structure of the lower buckle 12 is as follows, the lower buckle 12 includes a third cantilever plate 121 horizontally extending from the inner wall of the front housing 1, a third hook portion 122 is integrally formed on an upper surface of the third cantilever plate 121, and the third hook portion 122 is used for being clamped with the second mating portion 44.

The first matching part 43 comprises a lower guide groove 431, the second matching part 44 comprises an upper guide groove 441, the lower guide groove 431 and the upper guide groove 441 are arranged to play a role in guiding, and the guide buckle is clamped into a corresponding position more accurately, so that the assembling speed and accuracy are improved.

In addition, a plurality of limiting columns 21 are arranged on the inner wall of the rear shell 2, and the limiting columns 21 are abutted with the air guide fan 5.

The utility model provides a warmer, this warmer include chassis subassembly, wind channel subassembly, preceding shell 1, backshell 2, control panel and handle, and the warmer adopts foretell wind channel subassembly fixed knot to construct.

The assembly process of the warmer is as follows: firstly, fixing a fan on an air duct assembly; the same buckle that is equipped with on the preceding shell again in going into preceding shell with wind channel subassembly card, the back is with backshell and preceding shell equipment for spacing post on the backshell withstands wind-guiding fan, makes it fixed, can not produce in the operation process and rock, can move stably, safely, convenient assembling, production efficiency is high.

Furthermore, it should be noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the present invention is used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above examples are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides an air duct component fixed knot constructs which characterized in that: comprises a front shell (1), a rear shell (2) and an air duct component positioned between the front shell (1) and the rear shell (2), the air duct component comprises a PTC heating element (3), a PTC fixing bracket (4) and an air guide fan (5), an installation cavity matched with the air guide fan (5) is arranged in the PTC fixing support (4), a plurality of extension parts (31) arranged in parallel at intervals are arranged at the upper part of the PTC heating body (3), the upper part of the PTC fixing bracket (4) is provided with clamping grooves (41) which are arranged at intervals, the extension part (31) is clamped in the clamping groove (41), one end of the PTC fixing bracket (4) far away from the PTC heating body (3) is fixedly provided with an air guide fan (5), the outer end surface of the PTC fixing bracket (4) is provided with a first buckle (42), the air guide fan (5) is provided with a clamping groove (51) matched with the first buckle (42);

preceding shell (1) inner wall is last to be provided with buckle (11) and lower buckle (12), PTC fixed bolster (4) upper portion is provided with first cooperation portion (43), goes up buckle (11) and is used for with first cooperation portion (43) joint, PTC fixed bolster (4) lower part is provided with second cooperation portion (44), buckle (12) and second cooperation portion (44) joint down.

2. The air duct assembly fixing structure according to claim 1, wherein a plurality of limiting columns (21) are arranged on the inner wall of the rear casing (2), and the limiting columns (21) are abutted to the air guide fan (5).

3. The air duct assembly fixing structure according to claim 1, wherein the first buckle (42) comprises a first cantilever plate (421), the first cantilever plate (421) extends outwards from an outer end surface of the PTC fixing bracket (4), the first cantilever plate (421) is vertically arranged, a first hook portion (422) is integrally formed on one side of the first cantilever plate (421) facing the air guide fan (5), and the first hook portion (422) is buckled with the clamping groove (51).

4. The air duct assembly fixing structure according to claim 3, wherein an outer end surface of the PTC fixing bracket (4) is integrally formed with an outer baffle plate portion (423) circumferentially outward, the first cantilever plate (421) is integrally formed on the outer baffle plate portion (423), and a first reinforcing rib is further provided between the outer baffle plate and the first cantilever plate (421).

5. The air duct assembly fixing structure according to claim 4, characterized in that the upper clip (11), the lower clip (12) and the front shell (1) are of an integral structure.

6. The air duct assembly fixing structure according to claim 1, wherein the upper buckle (11) comprises a T-shaped reinforcing platform (111) and a second cantilever plate (112) horizontally extending from the inner wall of the front casing (1), the lower end of the T-shaped reinforcing platform (111) is connected with the second cantilever plate (112), a second hook portion (113) is integrally formed on the lower surface of the second cantilever plate (112), and the second hook portion (113) is clamped with the second matching portion (44).

7. The air duct assembly fixing structure according to claim 6, wherein the lower buckle (12) comprises a third cantilever plate (121) horizontally extending from the inner wall of the front casing (1), a third buckle part (122) is integrally formed on the upper surface of the third cantilever plate (121), and the third buckle part (122) is buckled with the second matching part (44).

8. The air duct assembly fixing structure according to claim 1, wherein the first fitting portion (43) includes a lower guide groove (431), and the second fitting portion (44) includes an upper guide groove (441).

9. A warmer, comprising a chassis component, an air duct component, a front shell (1) and a rear shell (2), characterized in that the warmer adopts the air duct component fixing structure of any one of claims 1-8.

10. The warmer of claim 9, further comprising a control panel and a handle.

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