阅读说明：本技术 一种中央空调的送风口结构 (Air supply outlet structure of central air conditioner ) 是由 戴新伟 于 2019-09-18 设计创作，主要内容包括：本发明公开了一种中央空调的送风口结构,涉及空调送风技术领域,其包括送风罩及风道,所述送风罩包括安装在风口外侧的折边部以及与折边部垂直布置的直筒部,所述直筒部穿插在风道内,所述直筒部的内壁上铰接连接有锁扣,所述锁扣的前端设有卡勾,所述风道的内壁上设有卡环,所述卡环位于直筒部的上端且与直筒部的上端预留有间隙,所述卡勾卡套在卡环的上端,所述锁扣上设有限位部,所述锁扣的下部与直筒部的内壁之间设有压缩弹簧。本发明能够实现对送风罩多次重复定位,方便检修,提高使用寿命。(The invention discloses an air supply outlet structure of a central air conditioner, which relates to the technical field of air supply of air conditioners and comprises an air supply cover and an air duct, wherein the air supply cover comprises a hem part arranged outside an air opening and a straight tube part vertically arranged with the hem part, the straight tube part is inserted into the air duct, the inner wall of the straight tube part is hinged with a lock catch, the front end of the lock catch is provided with a clamping hook, the inner wall of the air duct is provided with a clamping ring, the clamping ring is positioned at the upper end of the straight tube part and provided with a gap with the upper end of the straight tube part, the clamping hook is clamped at the upper end of the clamping ring, the lock catch is provided with a limiting part, and a compression spring is arranged. The invention can realize repeated positioning of the air supply cover for many times, is convenient to overhaul and prolongs the service life.)

1. The utility model provides a supply-air outlet structure of central air conditioning which characterized in that: comprises an air supply cover (1) and an air duct (2), wherein the air supply cover (1) comprises a hem part (11) arranged at the outer side of an air opening and a straight cylinder part (12) vertically arranged with the hem part (11), the straight cylinder part (12) is inserted in the air duct (2), the inner wall of the straight cylinder part (12) is hinged with a lock catch (3), the front end of the lock catch (3) is provided with a clamping hook (31), the inner wall of the air duct (2) is provided with a clamping ring (21), the snap ring (21) is positioned at the upper end of the straight cylinder part (12) and has a gap with the upper end of the straight cylinder part (12), the clamping hook (31) is clamped at the upper end of the clamping ring (21), the lock catch (3) is provided with a limiting part (32), the limiting part (32) is attached to one side of the clamping hook (31) and one end of the limiting part is positioned in the straight cylinder part (12), a compression spring (4) is arranged between the lower part of the lock catch (3) and the inner wall of the straight cylinder part (12); the lower end of the straight cylinder part (12) is provided with a longitudinal and transverse grating (13), and the flanging part (11) is used for shielding an installation gap between the straight cylinder part (12) and the air duct (2).

2. The structure of the air supply opening of the central air conditioner as claimed in claim 1, wherein: the upper end of the clamping hook (31) is provided with a first guide inclined plane, and the lower end of the clamping ring (21) is provided with a second guide inclined plane.

3. The structure of the air supply opening of the central air conditioner as claimed in claim 1, wherein: the inner wall of the straight barrel part (12) is provided with a groove (121), a guide column (122) is arranged in the groove (121), one end of the compression spring (4) is arranged in the groove (121), and the guide column (122) is inserted into the compression spring (4).

4. The structure of the air supply opening of the central air conditioner as claimed in claim 1, wherein: be equipped with first hinge ear (123) on the inner wall of straight section of thick bamboo portion (12), the middle part of hasp (3) is equipped with second hinge ear (33), be equipped with the hinge hole in first hinge ear (123), the second hinge ear (33), wear articulated shaft (5) in the hinge hole.

5. The structure of the air supply opening of the central air conditioner as claimed in claim 1, wherein: the one end of articulated shaft (5) is equipped with axle cap (51), the other end of articulated shaft (5) is equipped with recess (52), it has dog (53) to articulate in recess (52), the one end of dog (53) extends the axial of recess (52) and the perpendicular articulated shaft of length direction (5), the other end of dog (53) is equipped with step concave surface (531) for cambered surface and cambered surface, the lower extreme of recess (52) is equipped with blind hole (54), be equipped with in blind hole (54) and keep off round pin (55), be equipped with reset spring (56) between the low side of keep off round pin (55) and blind hole (54), the upper end of keep off round pin (55) is supported on step concave surface (531) of the lower extreme of dog (53) and with dog (53) locking spacing.

6. The structure of the air supply opening of the central air conditioner according to claim 5, wherein: the lateral wall of blind hole (54) is equipped with the rectangular groove that link up with articulated shaft (5) tip, alternate in the rectangular groove and dial round pin (57), the lateral wall at backing pin (55) is fixed to the one end of dialling round pin (57), the other end of dialling round pin (57) extends to the tip outside of articulated shaft (5), it is used for stirring backing pin (55) and makes backing pin (55) break away from the lower extreme of dog (53) in order to realize removing the locking to dog (53) to dial round pin (57).

The technical field is as follows:

the invention relates to the technical field of air supply of air conditioners, in particular to an air supply outlet structure of a central air conditioner.

Background art:

the central air conditioning system is composed of one or more cold and heat source systems and a plurality of air conditioning systems, and the system is different from the traditional refrigerant type air conditioner and intensively processes air to meet the comfort requirement. The air flow of the central air conditioner is conveyed to different areas through the air pipes, the air pipes are made of iron sheets, and an air supply opening is formed in a place needing air outlet, so that the air quantity of the central air conditioner for centralized refrigeration or heating is conveyed to a needed room.

After the air pipe of the central air conditioner is installed on a wall body, the tail end of the air pipe needs to be provided with an air supply outlet for supplying air. The existing air supply outlet is arranged at the tail end of an air pipe and is fixed at the tail end of the air pipe through a screw, and after the air supply outlet is disassembled for a plurality of times in the maintenance process, the screw hole has the phenomenon of thread slipping, so that the air supply outlet cannot be repeatedly fixed, and great inconvenience is brought to the normal use of the air supply outlet.

The invention content is as follows:

the invention aims to provide an air supply outlet structure of a central air conditioner, which solves the problem that the existing air supply cover can not be repeatedly fixed and locked.

In order to achieve the purpose, the invention adopts the following technical scheme:

an air supply outlet structure of a central air conditioner comprises an air supply cover and an air channel, wherein the air supply cover comprises a folded edge part arranged on the outer side of an air port and a straight cylinder part vertically arranged with the folded edge part, the straight cylinder part is inserted into the air channel, the inner wall of the straight cylinder part is hinged with a lock catch, the front end of the lock catch is provided with a clamping hook, the inner wall of the air channel is provided with a clamping ring, the clamping ring is positioned at the upper end of the straight cylinder part, a gap is reserved between the clamping ring and the upper end of the straight cylinder part, the clamping hook is clamped at the upper end of the clamping ring, the lock catch is provided with a limiting part, the limiting part is attached to one side of the clamping hook, one end of the limiting; the lower end of the straight cylinder part is provided with a longitudinal and transverse grating, and the edge folding part is used for shielding an installation gap between the straight cylinder part and the air duct.

In some possible implementations, the upper end of the hook is provided with a first guiding inclined surface, and the lower end of the snap ring is provided with a second guiding inclined surface.

In some possible implementation manners, a groove is formed in the inner wall of the straight cylinder portion, a guide post is arranged in the groove, one end of the compression spring is arranged in the groove, and the guide post is inserted into the compression spring.

In some possible implementation manners, a first hinge lug is arranged on the inner wall of the straight cylinder part, a second hinge lug is arranged in the middle of the lock catch, hinge holes are formed in the first hinge lug and the second hinge lug, and hinge shafts penetrate through the hinge holes.

In some possible implementation modes, one end of the hinged shaft is provided with a shaft cap, the other end of the hinged shaft is provided with a groove, a stop dog is hinged in the groove, one end of the stop dog extends out of the axial direction of the groove and the length direction of the hinged shaft, the other end of the stop dog is provided with a step concave surface on an arc surface and the arc surface, the lower end of the groove is provided with a blind hole, a stop pin is arranged in the blind hole, a reset spring is arranged between the lower end of the stop pin and the blind hole, and the upper end of the stop pin is abutted to the step concave surface at the lower end of the.

In some possible implementation manners, the side wall of the blind hole is provided with a strip groove communicated with the end part of the hinge shaft, a poking pin is inserted into the strip groove, one end of the poking pin is fixed on the side wall of the stop pin, the other end of the poking pin extends to the outer side of the end part of the hinge shaft, and the poking pin is used for poking the stop pin to enable the stop pin to be separated from the lower end of the stop block so as to release the locking of the stop block.

The invention provides an air supply outlet structure of a central air conditioner, which has the following beneficial effects: the air supply cover is locked in the air duct through the matching of the hook on the lock catch and the snap ring on the air duct, and the lower end of the lock catch is pushed outwards by the compression spring so that the lock catch can keep a locking state; the lower end of the lock catch is pressed, the compression spring contracts, and the upper end of the lock catch tilts, so that the clamping hook is separated from the clamping ring, the air supply cover can be conveniently taken down, and the maintenance, the assembly and the disassembly are convenient; stable in structure can realize supplying air the cover repeated location many times, and convenient the maintenance improves life.

Description of the drawings:

the following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

fig. 1 is a schematic view of an installation structure of an air supply outlet structure of a central air conditioner according to the present invention;

FIG. 2 is a partial structural view of the portion A in FIG. 1;

FIG. 3 is a schematic view of the latch of the present invention;

FIG. 4 is a schematic view showing the structure of a hinge shaft in the present invention;

fig. 5 is a schematic structural view of the stopper of the present invention.

The reference numbers in the figures illustrate: 1-air blowing cover, 2-air duct, 11-hemmed part, 12-straight cylinder part, 121-groove, 122-guide column, 123-first hinge lug, 13-longitudinal and transverse grid, 3-lock catch, 31-trip, 32-limiting part, 33-second hinge lug, 4-compression spring, 5-hinge shaft, 51-shaft cap, 52-groove, 53-stop block, 531-step concave surface, 54-blind hole, 55-stop pin, 56-reset spring, 57-toggle pin and 6-base body.

The specific implementation mode is as follows:

it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure) -motion situation, etc., and if the specific posture is changed, the directional indicators are changed accordingly, and the connection may be a direct connection or an indirect connection.

As shown in fig. 1, 2, 3, 4 and 5, an air supply outlet structure of a central air conditioner comprises an air supply cover 1 and an air duct 2, wherein the air duct 2 is installed in a base 6, and the base 6 is a wall, a ceiling or a cabinet body; the air supply hood 1 comprises a hem part 11 arranged on the outer side of an air port and a straight cylinder part 12 arranged perpendicular to the hem part 11, the straight cylinder part 12 is inserted into the air channel 2, the inner wall of the straight cylinder part 12 is hinged with a lock catch 3, the front end of the lock catch 3 is provided with a hook 31, the inner wall of the air channel 2 is provided with a snap ring 21, the snap ring 21 is positioned at the upper end of the straight cylinder part 12, a gap is reserved between the snap ring 21 and the upper end of the straight cylinder part 12, the snap ring 31 is clamped at the upper end of the snap ring 21, the lock catch 3 is provided with a limit part 32, the limit part 32 is attached to one side of the hook 31, one end of the limit part is positioned in the straight cylinder part 12, and a compression; the lower end of the straight cylinder part 12 is provided with a longitudinal and transverse grating 13, and the hem part 11 is used for shielding an installation gap between the straight cylinder part 12 and the air duct 2.

By adopting the technical scheme, the air supply cover 1 is locked in the air duct 2 through the matching of the hook 31 on the lock catch 3 and the snap ring 21 on the air duct 2, and the compression spring 4 pushes out the lower end of the lock catch 3 outwards so that the lock catch 3 can keep a locking state; the lower end of the lock catch 3 is pressed, the compression spring 4 is contracted, and the upper end of the lock catch 3 is tilted, so that the hook 31 is separated from the snap ring 21, the air supply hood 1 can be conveniently taken down, and the maintenance, the assembly and the disassembly are convenient; stable in structure can realize 1 repeated location many times to the air supply cover, and convenient the maintenance improves life.

Specifically, the upper end of the hook 31 is provided with a first guide inclined surface, and the lower end of the snap ring 21 is provided with a second guide inclined surface. Thereby can make 3 upper ends perk of hasp by jack-up when making trip 31 support to press snap ring 21 through first direction inclined plane and the cooperation direction of second direction inclined plane, make things convenient for trip 31 card to go into snap ring 21 upper end.

Specifically, a groove 121 is formed in the inner wall of the straight tube portion 12, a guide post 122 is arranged in the groove 121, one end of the compression spring 4 is arranged in the groove 121, and the guide post 122 is inserted into the compression spring 4. The end of the compression spring 4 is limited by the groove 121 and the guide post 122, and the compression spring 4 is prevented from deviating and falling.

Specifically, be equipped with first articulated ear 123 on the inner wall of straight section of thick bamboo portion 12, the middle part of hasp 3 is equipped with second articulated ear 33, be equipped with the hinge hole in first articulated ear 123, the second articulated ear 33, wear articulated shaft 5 in the hinge hole. Through first articulated ear 123, second articulated ear 33 and articulated shaft 5 cooperation, realize being connected the hasp 3 with straight section of thick bamboo portion 12 is articulated to support hasp 3 through first articulated ear 123, second articulated ear 33 and make it and straight section of thick bamboo portion 12 between form certain activity space, make things convenient for hasp 3 to rotate.

Specifically, one end of the hinge shaft 5 is provided with a shaft cap 51, the other end of the hinge shaft 5 is provided with a groove 52, a stopper 53 is hinged in the groove 52, one end of the stopper 53 extends out of the groove 52 and the length direction of the axial direction of the hinge shaft 5 is perpendicular to the length direction of the hinge shaft, the other end of the stopper 53 is provided with a step concave surface 531 on an arc surface, the lower end of the groove 52 is provided with a blind hole 54, a stop pin 55 is arranged in the blind hole 54, a return spring 56 is arranged between the lower end of the stop pin 55 and the blind hole 54, and the upper end of the stop pin 55 abuts against the step concave surface 531 at the lower end of the. When using, the length mode of dog 53 keeps unanimous with the axial of articulated shaft 5, then passes first articulated ear 123, thereby the articulated ear 123 is articulated with first articulated ear 33, second articulated ear 33 with articulated shaft 5, then rotates dog 53 and makes it perpendicular with the axial of articulated shaft 5, thereby dog pin 55 makes the upper end of dog pin conflict on step concave surface 531 and spacing dog 53 under reset spring 56's effect, thereby prevent that articulated shaft 5 from droing, and convenient assembly.

Specifically, the side wall of the blind hole 54 is provided with a long groove which is communicated with the end of the hinge shaft 5, a toggle pin 57 is inserted into the long groove, one end of the toggle pin 57 is fixed on the side wall of the stop pin 55, the other end of the toggle pin 57 extends to the outer side of the end of the hinge shaft 5, and the toggle pin 57 is used for toggling the stop pin 55 to enable the stop pin 55 to be separated from the lower end of the stop block 53 so as to unlock the stop block 53. The stop pin 55 is moved to separate the stop pin 55 from the lower end of the stop block 53, so that the stop block 53 is unlocked, and the hinge shaft 5 is conveniently disassembled and assembled.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.