Fan air regulating door with pneumatic execution device

Abstract

The utility model relates to a fan damper with a pneumatic executive device, which comprises a damper frame and a pneumatic executive device, a plurality of damper blades are connected in the damper frame through mounting pieces, the end side of the uppermost damper blade is connected with a main shaft, the end part of the main shaft is provided with a butt joint piece, and the pneumatic executive device is connected with the pneumatic executive device. A positioning plate is fixedly connected to the top of the side of the air adjusting door frame, and a sliding groove is formed in the bottom side of the positioning plate. The utility model relates to the technical field of pneumatic air adjusting doors. According to the draught fan air adjusting door with the pneumatic execution device, the pneumatic actuator can slide into the sliding groove quickly through the sliding plate when the draught fan air adjusting door is used, the pneumatic actuator is in butt joint with the main shaft through the arranged butt joint piece, and the pneumatic actuator can be limited through the sliding groove and the butt joint piece after installation is completed; and the effects of guaranteeing the stability of the pneumatic actuator after installation and improving the disassembly and assembly efficiency at the same time are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pneumatic air door, especially a fan air door with pneumatic actuator. BACKGROUND

[0002] The fan air door is a device that adjusts the flow, pressure and power of the fan by changing the inlet or outlet area of the fan. It can adjust the opening of the air door according to actual needs through electric, pneumatic or manual methods to realize accurate control of the fan running state. Reasonable adjustment of the fan air door can not only ensure the operation of the fan under the best working condition, but also effectively reduce energy consumption and operating cost.

[0003] In the prior art, the fan air door controlled by the pneumatic method is generally used with a pneumatic actuator, which can remotely send control signals to control the pneumatic actuator and then control the fan air door, achieving high precision and high convenience. When installing the pneumatic actuator, the pneumatic actuator is connected by bolt connection, and then the control spindle of the fan air door is connected with the spindle of the pneumatic actuator. In order to accurately butt joint the spindles, the pneumatic actuator is installed after the spindles are butt jointed. Therefore, the position of the pneumatic actuator needs to be manually adjusted during installation, which consumes a lot of time and affects the installation efficiency. In addition, if disassembly and repair are needed, it will also consume a lot of time and affect the use of the fan. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a fan air door with pneumatic actuator to solve the technical problems mentioned in the background.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A fan air door with pneumatic actuator, comprising an air door frame and a pneumatic actuator, wherein a plurality of air door blades are connected by mounting pieces in the air door frame, and the end side of the uppermost air door blade is connected with a spindle, the end of the spindle is provided with a butt joint piece, the side top of the air door frame is fixedly connected with a positioning plate, the bottom side of the positioning plate is provided with a sliding groove, the sliding groove is T-shaped, a sliding plate is slidably connected in the sliding groove, the sliding plate is in the shape of an I-beam, the bottom side of the sliding plate is fixedly connected with the pneumatic actuator, the output shaft of the pneumatic actuator is rectangular, and the output shaft of the pneumatic actuator is connected with the spindle through the butt joint piece.

[0007] The utility model discloses in a preferable example can be further configured as: the butt joint piece includes the shaft sleeve, and the shaft sleeve is hollowly arranged, the shaft sleeve is sleeved on the main shaft and is the sliding connection with the main shaft, the air door frame is located the main shaft and is set up the avoiding hole for avoiding the shaft sleeve.

[0008] The utility model discloses in a preferable example can be further configured as: the butt joint spring is fixedly connected to the end side wall in the shaft sleeve, the end of butt joint spring is fixedly connected with the main shaft, and the end of the shaft sleeve is arc-shaped arrangement, the end of the shaft sleeve is set up the butt joint groove corresponding with the pneumatic actuator output shaft, and the end of the pneumatic actuator output shaft is arc-shaped arrangement.

[0009] The utility model discloses in a preferable example can be further configured as: the mounting piece includes a plurality of connecting shafts, the connecting shaft is linear array distribution rotation installation between the opposite two inner side walls in the air door frame, and a plurality of door blades are fixedly connected with corresponding connecting shafts.

[0010] The utility model discloses in a preferable example can be further configured as: wherein a plurality of door blades are fixedly connected with adjusting shafts on the side close to the pneumatic actuator, and the adjusting shaft passes through the side wall of the air door frame.

[0011] The utility model discloses in a preferable example can be further configured as: the side of the air door frame is set up the avoiding slot for avoiding the adjusting shaft, and the adjacent two adjusting shafts are fixedly connected with linkage rods, and wherein the avoiding slot is arc-shaped arrangement.

[0012] In summary, the utility model discloses at least one of the following beneficial technical effects:

[0013] 1. The air door of the fan with pneumatic execution device can quickly slide the pneumatic actuator into the sliding groove through the sliding plate and make the pneumatic actuator and the main shaft butt joint through the butt joint piece during use, and can limit the pneumatic actuator through the sliding groove and the butt joint piece after installation, so that the stability of the pneumatic actuator after installation is ensured, and the dismounting efficiency is improved.

[0014] 2. The air door of the fan with pneumatic execution device, when the pneumatic actuator slides in the sliding groove through the sliding plate, the output shaft of the pneumatic actuator will approach the shaft sleeve, then will touch the arc-shaped end side of the shaft sleeve, with the continuous movement of the sliding plate, the output shaft of the pneumatic actuator will extrude the shaft sleeve, then extrude the butt joint spring, finally make the output shaft of the pneumatic actuator insert into the butt joint groove on the shaft sleeve, achieve the effect of quick installation and butt joint of the pneumatic actuator.

[0015] 3. The fan damper with pneumatic actuator, wherein the connecting shaft is rotatable in use to drive the rotation of the damper blades to adjust the opening of the damper, wherein the pneumatic actuator drives the rotation of the shaft sleeve and the main shaft to drive the rotation of the uppermost damper blade, and then drives the corresponding adjusting shaft to slide in the corresponding avoiding slot, and drives the remaining adjusting shafts to slide in the corresponding avoiding slots through the linkage rods to drive the synchronous rotation of all the damper blades, thereby achieving the effect of adjusting the opening of the damper. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 It is a whole structure schematic diagram of the fan damper with pneumatic actuator of the present application.

[0018] Figure 2 It is a structure schematic diagram of the butt joint part of the fan damper with pneumatic actuator of the present application.

[0019] Figure 3 It is a whole structure schematic diagram of the butt joint part of the fan damper with pneumatic actuator of the present application.

[0020] Figure 4 It is a structure schematic diagram of the damper frame of the fan damper with pneumatic actuator of the present application.

[0021] In the figure, 1 is a damper frame, 2 is a pneumatic actuator, 3 is a mounting part, 4 is a damper blade, 5 is a main shaft, 6 is a butt joint part, 7 is a positioning plate, 8 is a sliding slot, 9 is a sliding plate, 10 is a shaft sleeve, 11 is an avoiding hole, 12 is a butt joint spring, 13 is a butt joint slot, 14 is a connecting shaft, 15 is an adjusting shaft, 16 is an avoiding slot, and 17 is a linkage rod. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below with reference to the drawings.

[0023] Embodiment:

[0024] Reference Figures 1-4The utility model discloses a fan air door with pneumatic actuator, including air door frame 1 and pneumatic actuator 2, the air door frame is connected with the number several air door blade 4 through mounting piece 3 in, wherein the end side of the air door blade 4 located the most top is connected with the main shaft 5, the end of main shaft 5 is provided with the butt joint 6 of docking, the side top of air door frame 1 is fixedly connected with the locating plate 7, the bottom side of locating plate 7 is equipped with the sliding slot 8, the sliding slot 8 is T-shaped setting, the sliding plate 9 is slidably connected in the sliding slot 8, the sliding plate 9 is I-shaped setting, the bottom side of sliding plate 9 is fixedly connected with pneumatic actuator 2, the output shaft of pneumatic actuator 2 is rectangular setting, the output shaft of pneumatic actuator 2 is connected with main shaft 5 through butt joint 6.

[0025] In the embodiment, when the pneumatic actuator 2 is installed, the sliding plate 9 is fixedly connected with the pneumatic actuator 2, the pneumatic actuator 2 is slid into the sliding slot 8 on the locating plate 7 through the sliding plate 9, then the output shaft of the pneumatic actuator 2 is connected with the main shaft 5 through the butt joint 6, after the connection is completed, the pneumatic actuator 2 can be started to drive the main shaft 5 to rotate, and then the several air door blades 4 are driven to rotate through the mounting piece 3, so that the opening degree of the air door is adjusted. During installation, the butt joint 6 can be matched with the sliding plate 9 and the locating plate 7, so that the installation of the pneumatic actuator 2 and the connection of the pneumatic actuator 2 and the main shaft 5 can be completed synchronously, the use of bolts is avoided, the installation efficiency is improved, and the stability is ensured.

[0026] In the further preferred embodiment of the utility model, as shown in Figures 1-4 The butt joint 6 includes a shaft sleeve 10, the shaft sleeve 10 is hollow, the shaft sleeve 10 is sleeved on the main shaft 5 and is in sliding connection with the main shaft 5, and the air door frame 1 is provided with an avoiding hole 11 at the main shaft 5 for avoiding the shaft sleeve 10.

[0027] In the embodiment, the shaft sleeve 10 is slidably installed on the main shaft 5 and is used for connecting the output shaft of the pneumatic actuator 2, and the avoiding hole 11 is used for facilitating the movement of the shaft sleeve 10 during connection, so that the shaft sleeve 10 is not stuck and the connection of the pneumatic actuator 2 and the main shaft 5 is not affected.

[0028] In the further preferred embodiment of the utility model, as shown in Figure 2 And Figure 4 The end side wall in the shaft sleeve 10 is fixedly connected with a butt spring 12, the end of the butt spring 12 is fixedly connected with the main shaft 5, the end of the shaft sleeve 10 is arc-shaped, the end of the shaft sleeve 10 is provided with a butt groove 13 corresponding to the output shaft of the pneumatic actuator 2, and the end of the output shaft of the pneumatic actuator 2 is arc-shaped.

[0029] In the embodiment, when the pneumatic actuator 2 slides in the sliding groove 8 through the sliding plate 9, the output shaft of the pneumatic actuator 2 will approach the shaft sleeve 10, and then will abut against the arc-shaped end side of the shaft sleeve 10. With the continuous movement of the sliding plate 9, the output shaft of the pneumatic actuator 2 will press the shaft sleeve 10, and then press the butt joint spring 12, so that the output shaft of the pneumatic actuator 2 will be inserted into the butt joint groove 13 on the shaft sleeve 10, and the effect of quick installation and butt joint of the pneumatic actuator 2 is achieved.

[0030] It should be known that after the pneumatic actuator 2 is installed, the pneumatic actuator 2 will be limited by the sliding plate 9 and the sliding groove 8, and the butt joint groove 13 in the butt joint piece 6, so that the effect of installation and positioning is achieved. When disassembling, the output shaft of the pneumatic actuator 2 is separated from the butt joint groove 13 by pressing the shaft sleeve 10, and then the sliding plate 9 is separated from the sliding groove 8 by pulling the pneumatic actuator 2.

[0031] In the further preferable embodiment of the utility model, as shown in Figures 1-3 The mounting piece 3 comprises a plurality of connecting shafts 14, the connecting shafts 14 are linearly arranged and rotatably installed between the opposite two inner side walls of the air register frame 1, a plurality of the air door blades 4 are fixedly connected with the corresponding connecting shafts 14, wherein the side, close to the pneumatic actuator 2, of the plurality of air door blades 4 is fixedly connected with an adjusting shaft 15, the adjusting shaft 15 penetrates the side wall of the air register frame 1, the side of the air register frame 1 is provided with an avoiding groove 16 for avoiding the adjusting shaft 15, and the adjacent two adjusting shafts 15 are fixedly connected with a linkage rod 17, wherein the avoiding groove 16 is arc-shaped.

[0032] In the embodiment, the connecting shaft 14 can rotate in use, and then can drive the air door blade 4 to rotate, so that the opening degree of the air register is adjusted, wherein the pneumatic actuator 2 drives the rotation of the shaft sleeve 10 and the main shaft 5, and then drives the rotation of the uppermost air door blade 4, and then drives the corresponding adjusting shaft 15 to slide in the corresponding avoiding groove 16, and the remaining adjusting shafts 15 are driven to slide in the corresponding avoiding grooves 16 through the linkage rod 17, so that all the air door blades 4 rotate synchronously, and the effect of adjusting the opening degree of the air register is achieved.

[0033] The embodiments of the specific embodiment are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A fan damper with a pneumatic actuator, comprising a damper frame (1) and a pneumatic actuator (2), characterized in that, The damper frame (1) is connected to a number of damper blades (4) by mounting parts (3). The topmost damper blade (4) is connected to a main shaft (5). The end of the main shaft (5) is provided with a docking part (6). The top of the damper frame (1) is fixedly connected to a positioning plate (7). The bottom of the positioning plate (7) is provided with a sliding groove (8). The sliding groove (8) is T-shaped. A sliding plate (9) is slidably connected in the sliding groove (8). The sliding plate (9) is I-shaped. The bottom of the sliding plate (9) is fixedly connected to the pneumatic actuator (2). The output shaft of the pneumatic actuator (2) is rectangular. The output shaft of the pneumatic actuator (2) is connected to the main shaft (5) through the docking part (6).

2. A fan damper with a pneumatic actuator according to claim 1, characterized in that, The docking part (6) includes a bushing (10), which is hollow. The bushing (10) is fitted on the main shaft (5) and is slidably connected to the main shaft (5). The air regulating door frame (1) is provided with a clearance hole (11) at the main shaft (5) to avoid the bushing (10).

3. A fan damper with a pneumatic actuator according to claim 2, characterized in that, A docking spring (12) is fixedly connected to the end side wall inside the bushing (10). The end of the docking spring (12) is fixedly connected to the main shaft (5). The end of the bushing (10) is arc-shaped. The end of the bushing (10) has a docking groove (13) corresponding to the output shaft of the pneumatic actuator (2). The end of the output shaft of the pneumatic actuator (2) is arc-shaped.

4. A fan damper with a pneumatic actuator according to claim 3, characterized in that, The mounting component (3) includes a number of connecting shafts (14), which are arranged in a linear array and rotatably installed between two opposite inner sidewalls inside the damper frame (1). Several damper blades (4) are fixedly connected to the corresponding connecting shafts (14).

5. A fan damper with a pneumatic actuator according to claim 4, characterized in that, Several of the damper blades (4) are fixedly connected to an adjusting shaft (15) on the side near the pneumatic actuator (2), and the adjusting shaft (15) passes through the side wall of the damper frame (1).

6. A fan damper with a pneumatic actuator according to claim 5, characterized in that, The side of the air regulating door frame (1) is provided with a clearance groove (16) for avoiding the regulating shaft (15), and a linkage rod (17) is fixedly connected between two adjacent regulating shafts (15), wherein the clearance groove (16) is arc-shaped.

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