Safety protection device for transmission part of combined air conditioning unit

Abstract

The utility model discloses a safety protection device for a transmission part of a combined air conditioning unit, which belongs to the technical field of air conditioning components and is characterized in that the surface of a cover plate is fixedly connected with symmetrical connecting plates, the surfaces of the connecting plates are provided with adjusting holes, the inner walls of the adjusting holes are in contact connection with screws, and the surfaces of the screws are fastened with brackets through threads; the safety protection device comprises a cover plate, a protection groove is formed in one side of the cover plate, symmetrical supporting rods are connected to the inner wall of the protection groove through threads, and supporting springs are connected to the outer sides of the supporting rods in a sleeving mode. According to the cover plate, the belt can be prevented from being loosened and abraded with the cover plate in the long-term use process, the service life of the belt is prolonged, the protection effect of the cover plate is improved, the mounting position of the cover plate can be conveniently adjusted in the cover plate assembling process through the adjusting holes formed in the connecting plate, and the cover plate assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner assembly technical field more specifically, relate to a combined air conditioning unit transmission component safety protection device. BACKGROUND

[0002] The combined air conditioning unit transmission component is composed of a motor, a fan, a belt pulley, a taper sleeve and a belt, such as the safety protection device and air conditioning unit of combined air conditioning unit transmission component safety protection device of announcement number CN214467099U, but the cover plate and the support of the safety protection device cannot be fine tuned after assembly, there may be some discomfort in the actual use process, and the belt is prone to deformation after long-term use, which may cause the belt to rub against the cover plate, shorten the service life of the belt, and thus reduce the protective safety of the cover plate. SUMMARY

[0003] In view of the problems in the prior art, the utility model aims at providing a combined air conditioning unit transmission component safety protection device, which can always ensure a certain tension during the use of the belt by setting the automatically extendable tensioner, can avoid the belt from loosening and wearing against the cover plate during long-term use, prolong the service life, improve the protection effect of the cover plate, and the adjusting hole of the connecting plate facilitates adjusting the installation position during the assembly of the cover plate, improving the assembly efficiency of the cover plate.

[0004] To solve the above problems, the utility model adopts the following technical scheme.

[0005] A combined air conditioning unit transmission component safety protection device, comprising a cover plate, the surface of the cover plate is fixedly connected with symmetrical connecting plates, the surface of the connecting plate is provided with adjusting holes, the inner wall of the adjusting hole is in contact with a screw, the surface of the screw is fastened with a support through threads, one side of the cover plate is provided with a protection groove, the inner wall of the protection groove is connected with symmetrical supporting rods through threads, the outer side of the supporting rod is sleeved with a supporting spring, one end of the supporting rod is fixedly connected with a connecting frame, the side of the connecting frame is rotatably connected with a tensioner through a shaft, the surface of the tensioner is in contact with a belt, the surface of the belt is in contact with a driving wheel and a driven wheel, the side of the driving wheel is fixedly connected with a motor through a transmission shaft, the combined air conditioning unit transmission component safety protection device can always ensure a certain tension during the use of the belt by setting the automatically extendable tensioner, can avoid the belt from loosening and wearing against the cover plate during long-term use, prolong the service life, improve the protection effect of the cover plate, and the adjusting hole of the connecting plate facilitates adjusting the installation position during the assembly of the cover plate, improving the assembly efficiency of the cover plate.

[0006] Further, one surface of the cover plate is fixedly connected with a transparent plate, the transparent plate is in the shape of a rectangle, the transparent plate is made of transparent engineering plastic, and a ventilation hole is formed in the surface of the transparent plate.

[0007] Further, the connecting frame is in the shape of a U, one end of the connecting frame is in contact with the supporting spring, the other end of the supporting spring is in contact with the inner wall of the protection groove, and the supporting spring is in a compressed elastic state, so that the pressing strength of the belt on the belt tensioner can be automatically adjusted through the elastic force.

[0008] Further, one surface of the cover plate is fixedly connected with a transparent plate, the transparent plate is in the shape of a rectangle, the transparent plate is made of transparent engineering plastic, and a ventilation hole is formed in the surface of the transparent plate.

[0009] Further, the surface of the driving wheel and the surface of the driven wheel are provided with belt grooves, and the surface of the belt tensioner is provided with the same belt grooves as the driving wheel, so that the belt tensioner does not affect the rotation of the belt and has the function of preventing the belt from being pulled out.

[0010] Further, the surface of the cover plate is provided with an open groove, the inner diameter of the open groove is greater than the outer diameter of the transmission shaft, and the open groove has the function of avoiding the transmission shaft from being worn by the cover plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] (1) the belt tensioner can always guarantee a certain tension during use of the belt, the belt can be prevented from being loosened and worn by the cover plate during long-term use, the service life of the belt is prolonged, the protection effect of the cover plate is improved, and the adjusting hole of the connecting plate facilitates adjustment of the installation position of the cover plate during assembly of the cover plate, and the assembly efficiency of the cover plate is improved.

[0013] (2) one surface of the cover plate is fixedly connected with a transparent plate, the transparent plate is in the shape of a rectangle, the transparent plate is made of transparent engineering plastic, and a ventilation hole is formed in the surface of the transparent plate.

[0014] (3) the connecting frame is in the shape of a U, one end of the connecting frame is in contact with the supporting spring, the other end of the supporting spring is in contact with the inner wall of the protection groove, and the supporting spring is in a compressed elastic state, so that the pressing strength of the belt on the belt tensioner can be automatically adjusted through the elastic force.

[0015] (4) the surface of one end of the support rod is provided with external thread, the inner wall of the protection groove is provided with thread groove, the support rod is telescopic structure, the support rod has the function of automatic telescoping, and the disassembly and combination between the tension pulley and the cover plate are convenient.

[0016] (5) the surface of the driving wheel and the driven wheel is provided with belt groove, the surface of the tension pulley is provided with the same belt groove as the driving wheel, the tension pulley cannot affect the rotation of the belt, and has the function of anti-dropping and limiting.

[0017] (6) the surface of the cover plate is provided with opening groove, the inner diameter of the opening groove is larger than the outer diameter of the transmission shaft, and the opening groove has the function of avoiding space, so that the transmission shaft and the cover plate can be avoided from being worn. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the cover plate structure side view of the utility model;

[0020] Figure 3 It is Figure 2 the top view of the connecting frame and the support rod mounting structure.

[0021] Explanation of reference numerals in the drawing:

[0022] 1 cover plate, 11 opening groove, 12 transparent plate, 13 connecting plate, 14 adjusting hole, 15 screw, 16 protection groove, 2 motor, 21 transmission shaft, 22 driving wheel, 23 belt, 24 driven wheel, 3 support, 4 tension pulley, 41 connecting frame, 42 support rod, 43 support spring, 44 shaft rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-3 A combined air conditioning unit transmission component safety protection device, comprising a cover plate 1, please refer to Figures 1-3The surface of the cover plate 1 is provided with an open slot 11, the inner diameter of the open slot 11 is larger than the outer diameter of the transmission shaft 21, the open slot 11 has the function of avoiding space, which can avoid the abrasion between the transmission shaft 21 and the cover plate 1, the surface of the cover plate 1 is fixedly connected with symmetrical connecting plates 13, the surface of the connecting plate 13 is provided with an adjusting hole 14, the inner wall of the adjusting hole 14 is in contact with a screw 15, the surface of the screw 15 is fastened with a support 3 through threads, one side of the cover plate 1 is provided with a protection groove 16, the inner wall of the protection groove 16 is connected with symmetrical support rods 42 through threads, the outer side of the support rod 42 is sleeved with a supporting spring 43, one end of the support rod 42 is fixedly connected with a connecting frame 41, the side of the connecting frame 41 is rotatably connected with a tension pulley 4 through a shaft 44, the surface of the tension pulley 4 is in contact with a belt 23, the surface of the belt 23 is in contact with a driving pulley 22 and a driven pulley 24, the driving pulley 22 and the driven pulley 24 are belt pulley discs, the driven pulley 24 is connected with a fan through a transmission rod, which drives the fan blades to rotate and work, which belongs to the prior art, the side of the driving pulley 22 is fixedly connected with a motor 2 through a transmission shaft 21, the motor 2 belongs to the prior art, which is used to drive the driving pulley 22 to rotate, the bottom of the motor 2 and the bottom of the support 3 are fixedly connected with a bottom frame.

[0025] Please refer to Figure 2 and 3 One surface of the cover plate 1 is fixedly connected with a transparent plate 12, the transparent plate 12 is in the shape of a rectangle, the transparent plate 12 is made of transparent engineering plastic, the surface of the transparent plate 12 is provided with a ventilation hole, the transparent plate 12 not only facilitates the observation of the working condition of the belt 23, but also prevents external objects from contacting it, thereby improving the protection safety, the connecting frame 41 is in the shape of a U, the side of the connecting frame 41 is in contact with one end of the supporting spring 43, the other end of the supporting spring 43 is in contact with the inner wall of the protection groove 16, the supporting spring 43 is in a state of compressed elastic force, which can automatically adjust the extrusion strength of the belt 23 by the tension pulley 4 through the elastic force.

[0026] Please refer to Figures 1-3 One end surface of the support rod 42 is provided with external threads, the inner wall of the protection groove 16 is provided with a threaded groove, the support rod 42 is in a telescopic structure, the support rod 42 has the function of automatic telescoping, and it is convenient to disassemble and combine the tension pulley 4 and the cover plate 1, the surfaces of the driving pulley 22 and the driven pulley 24 are both provided with a belt groove, the surface of the tension pulley 4 is provided with the same belt groove as the driving pulley 22, the tension pulley 4 will not affect the rotation of the belt 23, and has the function of anti-dropping and limiting.

[0027] The safety protection device for the transmission component of the combined air conditioning unit is installed by moving the cover plate 1 from top to bottom, aligning the opening slot 11 with the transmission shaft 21, and not contacting the surface of the transmission shaft 21, then fastening the cover plate 1 with the support 3 through the screw 15, then pressing the tension pulley 4 to make the tension pulley 4 clamped on the surface of the belt 23, and extruding the belt 23, when the belt 23 is loosened after long-term work, the belt 23 can be extruded to be in a tension state, the automatically extendable tension pulley 4 can ensure a certain tension force during the use of the belt 23, the belt 23 can avoid contacting and wearing the cover plate 1 due to loosening during long-term use, the service life of the belt 23 is prolonged, the protection effect of the cover plate 1 is improved, and the adjusting hole 14 of the connecting plate 13 is in a strip shape, which facilitates adjusting the installation position of the cover plate 1 during the assembly of the cover plate 1 and the support 3, the cover plate 1 has the function of adjusting the position, and the assembly efficiency of the cover plate 1 is improved.

[0028] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A combined air conditioning unit transmission component safety protection device, comprising a cover plate (1), characterized in that: The surface of the cover plate (1) is fixedly connected with symmetrical connecting plates (13), the surface of the connecting plate (13) is provided with an adjusting hole (14), the inner wall of the adjusting hole (14) is in contact with a screw (15), the surface of the screw (15) is fastened with a support (3) through threads, one side of the cover plate (1) is provided with a protection groove (16), the inner wall of the protection groove (16) is connected with symmetrical support rods (42) through threads, the outer side of the support rod (42) is sleeved with a supporting spring (43), one end of the support rod (42) is fixedly connected with a connecting frame (41), the side of the connecting frame (41) is rotatably connected with a tensioning wheel (4) through a shaft (44), the surface of the tensioning wheel (4) is in contact with a belt (23), the surface of the belt (23) is in contact with a driving wheel (22) and a driven wheel (24), the side of the driving wheel (22) is fixedly connected with a motor (2) through a transmission shaft (21).

2. The safety protection device for the transmission components of a packaged air conditioning unit as set forth in claim 1, characterized in that: The surface of the cover plate (1) is fixedly connected with a transparent plate (12), the shape of the transparent plate (12) is rectangular, the transparent plate (12) is made of transparent engineering plastic, and the surface of the transparent plate (12) is provided with a ventilation hole.

3. The safety protection device for the transmission components of a packaged air conditioning unit as set forth in claim 1, characterized in that: The shape of the connecting frame (41) is U-shaped, the side of the connecting frame (41) is in contact with one end of the supporting spring (43), and the other end of the supporting spring (43) is in contact with the inner wall of the protection groove (16).

4. The safety protection device for the transmission components of a packaged air conditioning unit as set forth in claim 1, characterized in that: The surface of one end of the support rod (42) is provided with external threads, the inner wall of the protection groove (16) is provided with a threaded groove, and the support rod (42) is of telescopic structure.

5. The safety protection device for the transmission components of a packaged air conditioning unit as set forth in claim 1, characterized in that: The surfaces of the driving wheel (22) and the driven wheel (24) are both provided with a belt groove, and the surface of the tensioning wheel (4) is provided with the same belt groove as the driving wheel (22).

6. The safety protection device for the transmission components of a packaged air conditioning unit as set forth in claim 1, characterized in that: The surface of the cover plate (1) is provided with an open groove (11), and the inner diameter of the open groove (11) is greater than the outer diameter of the transmission shaft (21).

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