CN216244850U - Noise elimination device for ventilation structure of heating ventilation air conditioner - Google Patents

Abstract

The utility model discloses a silencing device for a ventilation structure of a heating ventilation air conditioner, which relates to the technical field of related accessories for the heating ventilation air conditioner and comprises the following components: a main body; the silencing cylinder is arranged inside one end of the main body; and the fixing mechanisms are arranged at the upper end and the lower end of the two sides of the main body and are used for conveniently fixing the sound-absorbing tube. The silencing device can avoid the excursion phenomenon of the silencing tube by arranging the fixing mechanism, the silencing tube drives the two groups of limiting sliding plates to be inserted into the main body, the overturning clamping plate enters the limiting sliding plates through extrusion and overturning, the torsion spring is twisted, the overturning push plate is driven to overturn at the same time, then the torsion spring rebounds through torsion to push the overturning clamping plate to be clamped into the main body, the overturning push plate pushes the pressing push plate to move in the limiting sliding plates, and the pressing push plate slides in a limiting way through the limiting sliding blocks at the moment, so that the excursion phenomenon of the silencing tube under the impact of airflow is avoided.

Description

Noise elimination device for ventilation structure of heating ventilation air conditioner

Technical Field

The utility model relates to the technical field of related accessories for heating, ventilating and air conditioning, in particular to a silencing device for a heating, ventilating and air conditioning ventilation structure.

Background

The hvac has heating, ventilating and air conditioning functions, and the main functions of the hvac include: the heating, ventilation and air conditioning are integrated and called as heating ventilation air conditioning.

According to the Chinese patent No. CN212057713U, a noise elimination device for a ventilation structure of a heating ventilation air conditioner is provided, which comprises a fixed hoop and an air duct box, wherein the fixed hoop is arranged on the peripheral outer wall of the air duct box, a stainless steel noise elimination plate is arranged in the air duct box, when the noise elimination device works, when ventilation gas is diffused in the air duct to generate strong impact force, the inner box can buffer the inner box by utilizing the good elastic performance of a spring, most vibration force is counteracted, the noise of the air duct caused by vibration is effectively reduced, moreover, at the moment, the sound in the air duct can be firstly silenced by a perforated aluminum plate, then a silencing cotton pad arranged in the inner box is utilized to silence, the outward-spreading force of the noise is greatly reduced, a little noise is diffused, the noise can pass through the stainless steel noise elimination plate with plate holes, and final noise absorption work is carried out, through the combined action of slide bar and spout, conveniently with the stainless steel anechoic plate dismouting in wind channel incasement portion.

However, the above patent does not have a fixing device for fixing the device itself in the using process, so that the whole device is easily deviated in the pipeline under the impact of the air flow, and the air speed of the air conditioner is increased sometimes under the influence of the weather, and the air flow with high air speed is slowed down by the sound-absorbing plate, so that the pressure inside the air box is increased in the process, the quick discharging operation of the air flow is not facilitated, and the use of the air conditioner is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems that the sound-absorbing plate is easy to deviate and high strong wind is difficult to start to be discharged, the sound-absorbing device for the ventilation structure of the heating ventilation air conditioner is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a muffler assembly for a heating, ventilating, and air conditioning ventilation structure, comprising:

a main body;

the silencing cylinder is arranged inside one end of the main body;

the fixing mechanisms are arranged at the upper end and the lower end of the two sides of the main body and are used for conveniently fixing the sound-absorbing cylinder;

and the shunting mechanism is arranged inside the silencing barrel and used for shunting and slowing down strong airflow.

As a still further scheme of the utility model: the fixing mechanism comprises a linkage rod, a limiting sliding plate, a pressing push plate, a turning clamping plate, a torsion spring, a turning push plate, a fixing rotating rod and a limiting sliding block, wherein two groups of limiting sliding plates are fixed at the upper end and the lower end of the two sides of the silencing cylinder and are mutually sleeved with the main body, the pressing push plate is positioned at one end of the limiting sliding plate and penetrates through the limiting sliding plate, the linkage rod is fixed at one side of the two movable push blocks, which are close to each other, and is positioned in the main body, the turning clamping plate is arranged at the top end of the limiting sliding plate and is positioned above one side of the pressing push plate, the fixing rotating rod is fixed at one side of the turning clamping plate, and penetrates through the other side of the turning clamping plate and is rotatably connected with the limiting sliding plate, the torsion spring is positioned in one end of the turning clamping plate and is mutually sleeved with the fixing rotating rod, the turning push plate is fixed at one end of the turning clamping plate and is positioned at one end of the torsion spring, the limiting sliding blocks are fixed on two sides of one end of the pressing push plate and located right below the overturning clamping plate.

As a still further scheme of the utility model: the shunting mechanism comprises a supporting plate, a reciprocating screw rod, a movable push block, a connecting push shaft, a shunting turning plate and a fan, wherein the supporting plate is fixed inside one end, away from the torsion spring, of the silencing barrel, the reciprocating screw rod is installed at one end, close to the torsion spring, of the supporting plate, the fan is fixed at one end, away from the supporting plate, of the reciprocating screw rod, the movable push block is located at one end, close to the fan, of the supporting plate and is mutually sleeved with the reciprocating screw rod, the connecting push shaft is installed at one end, away from the movable push block, the shunting turning plate is installed on one side of the silencing barrel and is rotatably connected with one end, away from the movable push block, of the connecting push shaft.

As a still further scheme of the utility model: the main part is provided with the spacing draw-in groove rather than the outer wall and matches each other with gangbar, spacing slide, upset cardboard department of meeting position, the upset cardboard is provided with the fixed groove of turning round rather than the outer wall and matches each other with torsion spring department of meeting position.

As a still further scheme of the utility model: the limiting sliding plate is provided with limiting baffles on two sides of one end, far away from the torsion spring, of the limiting sliding plate, and limiting sliding grooves matched with the outer wall of the limiting sliding plate are formed in the positions where the limiting sliding plate is connected with the pressing push plate and the limiting sliding blocks.

As a still further scheme of the utility model: the fan is rotationally connected with the silencing barrel through a fixing frame, and the supporting plate is rotationally connected with the reciprocating screw rod through a bearing.

As a still further scheme of the utility model: the connecting device is characterized in that a connecting slide block which is mutually matched with a chute on the outer wall of the connecting slide block is arranged at the connecting position of the movable push block and the reciprocating screw rod, the connecting push shaft is rotatably connected with the movable push block and the shunting turning plate through hinges, and turning grooves which are mutually matched with the outer wall of the main body, the silencing barrel and the shunting turning plate are arranged at the connecting position of the main body, the silencing barrel and the shunting turning plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the fixed establishment, this mechanism can realize avoiding the silencing pot to take place the skew phenomenon, drive two sets of spacing slide plates to insert to the inside of the body through the silencing pot, the upset cardboard enters the inside of the spacing slide plate through the extrusion upset at this moment, and to the torsion spring distortion, drive the upset push pedal to overturn at the same time, then the torsion spring rebounds through the torsion, promote the upset cardboard to block into the inside of the body, and make the upset push pedal promote and press the push pedal, move in the inside of the spacing slide plate, press the push pedal and slide through spacing slide block spacing at this moment, thus avoid the silencing pot to take place the skew phenomenon under the impact of the air current;

2. through setting up reposition of redundant personnel mechanism, this mechanism can realize the noise and the impact force of slowly reducing the high wind, it is rotatory to make the fan drive reciprocal lead screw through the drive of high wind, the backup pad passes through the bearing and supports reciprocal lead screw this moment, remove the ejector pad reciprocal slip under the drive of reciprocal lead screw simultaneously, connect the push-out shaft this moment and pass through the hinge under the drive of removal ejector pad, promote the reposition of redundant personnel and turn over the board in the main part, one side upset of noise elimination section of thick bamboo opens and shuts, thereby the realization slows down the air current impact force, and turn over the board and shunt the air current through the reposition of redundant personnel that opens and shuts, thereby realize high velocity air flow's quick discharge operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the securing mechanism and the shunt mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention at A;

fig. 4 is a partially enlarged view of the point B of the present invention.

In the figure: 1. a main body; 2. a fixing mechanism; 201. a linkage rod; 202. a limiting sliding plate; 203. pressing the push plate; 204. turning over the clamping plate; 205. a torsion spring; 206. turning over the push plate; 207. fixing the rotating rod; 208. a limiting slide block; 3. a flow dividing mechanism; 301. a support plate; 302. a reciprocating screw rod; 303. moving the push block; 304. connecting a push shaft; 305. a shunting turning plate; 306. a fan; 4. an anechoic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a muffler device for a ventilation structure of a heating, ventilation, and air conditioning includes:

a main body 1;

a noise-reduction cylinder 4 disposed inside one end of the main body 1;

the fixing mechanisms 2 are arranged at the upper end and the lower end of the two sides of the main body 1 and are used for conveniently fixing the silencer 4;

and the flow dividing mechanism 3 is arranged inside the silencing barrel 4 and is used for dividing and slowing down strong airflow.

Please refer to fig. 1-4, the fixing mechanism 2 includes a linkage rod 201, a limiting slide plate 202, a pressing push plate 203, a turning clamp plate 204, a torsion spring 205, a turning push plate 206, a fixed rotating rod 207 and a limiting slide block 208, two sets of limiting slide plates 202 are fixed on the upper and lower ends of the two sides of the muffling cylinder 4 and are sleeved with the main body 1, the pressing push plate 203 is located at one end of the limiting slide plate 202 and penetrates to the inside of the limiting slide plate 202, the linkage rod 201 is fixed on the side where the two moving push blocks 303 are close to each other and is located inside the main body 1, the turning clamp plate 204 is installed on the top end of the limiting slide plate 202 and is located above one side of the pressing push plate 203, the fixed rotating rod 207 is fixed on one side of the turning clamp plate 204 and penetrates to the other side of the turning clamp plate 204 and is rotatably connected with the limiting slide plate 202, the torsion spring 205 is located inside one end of the turning clamp plate 204 and is sleeved with the fixed rotating rod 207, upset push pedal 206 is fixed in the one end of upset cardboard 204, and is located torsion spring 205's one end, and spacing slider 208 is fixed in the one end both sides of pressing push pedal 203, and is located upset cardboard 204 under, carries out the block through upset cardboard 204 to main part 1 and fixes, can make spacing slide 202 fix the silencing pot 4 in the inside of main part 1, can effectively avoid silencing pot 4 during the ventilation, the phenomenon of skew takes place under the impact of wind-force.

Please refer to fig. 1-2, the flow dividing mechanism 3 includes a supporting plate 301, a reciprocating screw 302, a movable pushing block 303, a connecting pushing shaft 304, a flow dividing flap 305 and a fan 306, the supporting plate 301 is fixed inside one end of the muffling barrel 4 far from the torsion spring 205, the reciprocating screw 302 is installed at one end of the supporting plate 301 close to the torsion spring 205, the fan 306 is fixed at one end of the reciprocating screw 302 far from the supporting plate 301, the movable pushing block 303 is located at one end of the supporting plate 301 close to the fan 306 and is sleeved with the reciprocating screw 302, the connecting pushing shaft 304 is installed at one end of the movable pushing block 303, the flow dividing flap 305 is installed at one side of the muffling barrel 4 and is rotatably connected with one end of the connecting pushing shaft 304 far from the movable pushing block 303, the movable pushing block 303 pushes the connecting pushing shaft 304 to turn the flow dividing flap 305 over under the rotation of the fan 306 through the reciprocating screw 302, and the flow dividing flap 305 can divide the air flow, so as to effectively reduce the impact force and the excessive noise carried by strong wind.

Please refer to fig. 2-4, the connecting position of the main body 1 with the linkage rod 201, the limiting sliding plate 202 and the turning clamp plate 204 is provided with a limiting slot matching with the outer wall thereof, the connecting position of the turning clamp plate 204 with the torsion spring 205 is provided with a fixing torsion slot matching with the outer wall thereof, and the turning clamp plate 204 twists the torsion spring 205 through the fixing torsion slot.

Please refer to fig. 2-4, two sides of one end of the limiting sliding plate 202 away from the torsion spring 205 are provided with limiting baffles, a limiting sliding groove matched with the outer wall of the limiting sliding plate 202 is arranged at the connecting position of the limiting sliding plate 202, the pressing push plate 203 and the limiting sliding block 208, and the limiting sliding plate 202 performs limiting sliding limiting inside one end of the main body 1 through the limiting baffles.

Please refer to fig. 2, the fan 306 is rotatably connected to the muffling barrel 4 through a fixing frame, the supporting plate 301 is rotatably connected to the reciprocating screw rod 302 through a bearing, and the fan 306 is suspended and rotated in the muffling barrel 4 through the fixing frame.

Please refer to fig. 2, a connecting slider engaged with the sliding slot on the outer wall of the moving push block 303 is disposed at the connecting position of the moving push block 303 and the reciprocating screw rod 302, the connecting push shaft 304 is rotatably connected with the moving push block 303 and the shunt turning plate 305 through a hinge, the turning slots matched with the outer wall of the main body 1 and the noise reduction barrel 4 are disposed at the connecting position of the shunt turning plate 305 and the main body 1, the noise reduction barrel 4 are turned at one side of the main body 1 and the noise reduction barrel 4 by the pushing and pulling of the connecting push shaft 304 through the turning slots.

The working principle of the utility model is as follows: when in use, the two groups of limiting sliding plates 202 are driven by the silencing cylinder 4 to be slidably inserted into the limiting clamping grooves of the main body 1, at the moment, the overturning clamping plate 204 is extruded by the main body 1 to overturn through the fixed rotating rod 207 and enter the limiting sliding plate 202, the torsion spring 205 is twisted through the fixed twisting grooves, and meanwhile, the overturning push plate 206 is driven to overturn, then the torsion spring 205 pushes the overturning clamping plate 204 to be clamped into the limiting clamping grooves of the main body 1 through torsion rebounding, and the overturning push plate 206 is reset to push the pressing push plate 203 to move inside the limiting sliding grooves of the limiting sliding plates 202, at the moment, the pressing push plate 203 performs limiting sliding through the limiting sliding block 208, and the two pressing push plates 203 perform synchronous sliding through the linkage rod 201, so that the silencing cylinder 4 can be conveniently fixed, and the phenomenon that the silencing cylinder 4 is deflected under the impact of the silencing wind force can be effectively avoided, when the internal wind power of main part 1 is too small, can carry out the amortization noise removal through noise damping section of thick bamboo 4 this moment, but when the wind power of main part 1 inside is too big, fan 306 is under the drive of wind power this moment, drive 302 and rotate, backup pad 301 carries out the rotation support to reciprocal lead screw 302 through the bearing this moment, remove ejector pad 303 simultaneously and pass through the connecting slide under the drive of reciprocal lead screw 302, carry out reciprocating sliding, connect ejector pad 304 this moment and pass through the hinge under the drive of removing ejector pad 303, promote the reposition of redundant personnel and turn over board 305 and open and shut in main part 1, one side of noise damping section of thick bamboo 4 overturns and opens and shuts, accessible fan 306 slows down the air current impact force, the reposition of redundant personnel through opening and shutting turns over board 305 and shunts the air current of main part 1 inside simultaneously, so that reduce the pressure of main part 1 inside and discharge high-speed air current fast.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims (7)

1. A silencing device for a ventilation structure of a heating ventilation air conditioner is characterized by comprising:

a main body (1);

a silencing tube (4) arranged inside one end of the main body (1);

the fixing mechanisms (2) are arranged at the upper end and the lower end of the two sides of the main body (1) and are used for conveniently fixing the silencer (4);

and the flow dividing mechanism (3) is arranged inside the silencing barrel (4) and is used for dividing and slowing down strong airflow.

2. The silencing device for the ventilation structure of the heating, ventilation and air conditioning as claimed in claim 1, wherein the fixing mechanism (2) comprises a linkage rod (201), a limiting sliding plate (202), a pressing push plate (203), a turning clamping plate (204), a torsion spring (205), a turning push plate (206), a fixed rotating rod (207) and a limiting sliding block (208), two groups of limiting sliding plates (202) are fixed at the upper and lower ends of two sides of the silencing cylinder (4) and are sleeved with the main body (1), the pressing push plate (203) is located at one end of the limiting sliding plate (202) and penetrates into the limiting sliding plate (202), the linkage rod (201) is fixed at one side where the two moving push blocks (303) are close to each other and is located inside the main body (1), the turning clamping plate (204) is installed at the top end of the limiting sliding plate (202) and is located above one side of the pressing push plate (203), the fixed rotating rod (207) is fixed on one side of the turnover clamping plate (204), the other side of the fixed rotating rod penetrating through the turnover clamping plate (204) is rotatably connected with the limiting sliding plate (202), the torsion spring (205) is located inside one end of the turnover clamping plate (204) and is mutually sleeved with the fixed rotating rod (207), the turnover push plate (206) is fixed on one end of the turnover clamping plate (204) and is located at one end of the torsion spring (205), and the limiting sliding block (208) is fixed on two sides of one end of the pressing push plate (203) and is located under the turnover clamping plate (204).

3. The silencing device for the ventilating structure of the heating, ventilating and air conditioning as claimed in claim 2, wherein the shunting mechanism (3) comprises a support plate (301), a reciprocating screw rod (302), a movable push block (303), a connecting push shaft (304), a shunting turning plate (305) and a fan (306), the support plate (301) is fixed inside one end of the silencing barrel (4) far away from the torsion spring (205), the reciprocating screw rod (302) is installed at one end of the support plate (301) close to the torsion spring (205), the fan (306) is fixed at one end of the reciprocating screw rod (302) far away from the support plate (301), the movable push block (303) is located at one end of the support plate (301) close to the fan (306) and is sleeved with the reciprocating screw rod (302), the connecting push shaft (304) is installed at one end of the movable push block (303), the shunting turning plate (305) is installed at one side of the silencing barrel (4), and is rotatably connected with one end of the connecting push shaft (304) far away from the movable push block (303).

4. The muffler device for the ventilation structure of the heating ventilation air conditioner according to claim 2, wherein the connecting positions of the main body (1) and the linkage rod (201), the limiting sliding plate (202) and the turning clamping plate (204) are provided with limiting clamping grooves matched with the outer walls of the main body, and the connecting positions of the turning clamping plate (204) and the torsion spring (205) are provided with fixing torsion grooves matched with the outer walls of the turning clamping plate.

5. The silencing device for the ventilation structure of the heating ventilation air conditioner according to claim 2, wherein two sides of one end of the limiting sliding plate (202) far away from the torsion spring (205) are provided with limiting baffles, and a limiting sliding groove matched with the outer wall of the limiting sliding plate (202) is arranged at the position where the limiting sliding plate (202) is connected with the pressing push plate (203) and the limiting sliding block (208).

6. A silencing device for heating, ventilating and air conditioning ventilation structure according to claim 3, characterized in that the fan (306) is rotatably connected with the silencing pot (4) through a fixing frame, and the support plate (301) is rotatably connected with the reciprocating screw rod (302) through a bearing.

7. The silencing device for the ventilation structure of the heating, ventilation and air conditioning as claimed in claim 3, wherein a connecting slide block matched with a sliding groove on the outer wall of the moving push block (303) is arranged at the connecting position of the moving push block (303) and the reciprocating screw rod (302), the connecting push shaft (304), the moving push block (303) and the shunting turning plate (305) are rotatably connected through a hinge, and turning grooves matched with the outer wall of the main body (1), the silencing cylinder (4) and the shunting turning plate (305) are arranged at the connecting position of the main body (1) and the shunting turning plate (305).

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