Installation disc facilitating installation of fan blades

Abstract

The utility model relates to the technical field of fan blade mounting discs, and discloses a mounting disc convenient for mounting fan blades, which comprises a mounting disc, a through hole is formed in the middle of the mounting disc, a plurality of mounting holes are formed in the outer wall of the mounting disc, the tops of the mounting holes are slidably connected with pressing blocks, the tops of the pressing blocks are rotatably connected with first screw rods, and the first screw rods are rotatably connected with second screw rods. The outer wall of the first screw rod is in threaded connection with a sleeve, the bottom of the pressing block is fixedly connected with a positioning column, a connecting block is clamped to the inner wall of the mounting hole, a plurality of positioning holes are formed in the outer wall of the connecting block, one end of the connecting block is fixedly connected with fan blades, and the fan blades are arranged in a circular array mode. According to the utility model, by rotating the first knob, the sleeve is driven to rotate, the first screw rod moves downwards, and the pressing block is pressed, so that the compression column is attached to the round hole, the positioning column clamps the positioning hole, and the bottom surface of the pressing block is attached to the top surface of the connecting block, and therefore, rapidness and convenience are realized, and the working efficiency and the installation reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan blade mounting disc technical field especially, it relates to an installation disc convenient to install fan blade. BACKGROUND

[0002] Fan is widely used in daily life and industrial production, especially in the cooling demand under high temperature environment plays an important role, however, in the actual use process, the installation and disassembly of fan blade are more tedious, especially in large industrial fan, due to the size of fan blade is larger and the weight is heavier, the traditional installation mode not only is time-consuming and laborious, but also is easy to cause the problem of unstable installation, influences the working efficiency and safety of fan, the common fan on the market mainly includes fan blade, motor and disc body component, wherein, the disc body is used to install fan blade, the motor drives the disc body rotation through output shaft, and then drives fan blade rotation, realizes air flow,

[0003] The traditional fan blade installation has bolt fixed type installation, a plurality of threaded holes are set up on the disc body, then the mounting block on the fan blade is inserted into the corresponding hole position, and is fastened with bolt, the structure is simple, and the cost is lower, but the installation and disassembly process is complex, needs special tool, and is easy to loosen after long time use, the buckle type installation is designed with clamping groove on the disc body, the mounting block on the fan blade can be embedded in the clamping groove, then is locked through simple rotation action, and the installation is convenient and fast, does not need extra tool, but the strength is limited, is not firm enough for large fan, and the falling phenomenon is easy to occur, the magnetic type installation is through setting up magnet on the disc body and fan blade respectively, utilizes magnetic force adsorption and fixes, and the installation is simple, does not need tool, but has certain requirement to material quality, the application range is limited, and the stability is affected after long time use due to the weakening of magnetic force. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides an installation disc convenient to install fan blade, aims at improving the problem that the installation and disassembly of fan blade in prior art are more tedious, especially in large industrial fan, due to the size of fan blade is larger and the weight is heavier, the traditional installation mode not only is time-consuming and laborious, but also is easy to cause the problem of unstable installation, influences the working efficiency and safety of fan.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a mounting disc convenient for installing fan blade, including mounting disc, the middle part of mounting disc is equipped with through -hole, the outer wall of mounting disc is equipped with a plurality of mounting holes, the top of mounting hole is connected with the compression block of sliding, the top of compression block is rotatably connected with screw rod no.

[0006] Through the above technical scheme: the through -hole is adapted with the output shaft of motor, ensures that the mounting disc can be stably, concentrically set on fixed output shaft, lays the foundation for the stable rotation of subsequent fan blade, along the outer wall of mounting disc, evenly distribute a plurality of mounting holes, the top of mounting hole builds a sliding connection compression block, can slide freely in the inside, the top screw rod no. of compression block realizes rotary connection, so that the screw rod no. can be displaced in the vertical direction along with compression block when rotating, the outer wall screw thread of screw rod no. is connected with the inner wall screw thread of sleeve, when rotating sleeve, screw rod no. will be driven by screw thread, and compression block is lifted or lowered, in the bottom of compression block, firmly fixed with a plurality of positioning columns, the diameter of positioning column is accurately matched with the inner diameter of positioning hole on the connecting block, can be quickly inserted into the positioning hole during installation, realizes preliminary positioning, prevents the deviation of connecting block in mounting hole, and the connecting block is the bridge between fan blade and mounting disc, has enough rigidity to ensure the connection is stable, and the outer wall is regularly equipped with a plurality of positioning holes, and the positioning column at the bottom of compression block cooperates.

[0007] Further describe the above technical scheme as follows:

[0008] The locking mechanism includes screw rod no. 2, the outer wall of screw rod no. 2 is slidably connected with the inner wall of mounting disc, the outer wall of screw rod no. 2 is slidably connected with bevel gear no. 1, one side of bevel gear no. 1 is fixedly connected with nut no. 2, the outer wall of bevel gear no. 1 is meshedly connected with bevel gear no. 2, the middle part of bevel gear no. 2 is fixedly connected with rotating column, the top of rotating column is fixedly connected with knob no. 2.

[0009] Through the technical scheme, the outer wall of the second screw rod is in sliding connection with the inner wall of the mounting disc, the second screw rod can freely reciprocate along the inner wall of the mounting disc, a bevel gear one is in sliding connection with the outer wall of the second screw rod, a nut two is fixedly connected to one side of the bevel gear one and cooperates with the second screw rod to accurately control the displacement of components, the outer wall of the bevel gear one is in meshing connection with a bevel gear two, power is transmitted, and it is ensured that each rotation can be converted into accurate mechanical action, a rotating column is fixedly connected to the middle part of the bevel gear two, the rotating column is a key link for power transmission and transmits the external applied torque to the entire gear mechanism, a knob two is arranged at the top of the rotating column, the knob two is convenient to rotate, the entire locking mechanism can be driven by rotating the knob two, and efficient locking of the device is realized.

[0010] As a further description of the above technical scheme:

[0011] The inner wall of the positioning column is fixedly connected with a spring, and the other end of the spring is fixedly connected with a compression column.

[0012] Through the technical scheme, the inner wall of the positioning column is fixedly connected with a spring, and the other end of the spring is fixedly connected with a compression column.

[0013] As a further description of the above technical scheme:

[0014] The top of the sleeve is fixedly connected with a knob one, and the outer wall of the knob one is provided with anti-skid grooves.

[0015] Through the technical scheme, the top of the sleeve is fixedly connected with a knob one, and the outer wall of the knob one is provided with anti-skid grooves.

[0016] As a further description of the above technical scheme:

[0017] The bottom surface of the fan blade is provided with a screw, one end of the screw penetrates through the outer wall of the fan blade and the connecting block and is threadedly connected with a nut one.

[0018] Through the technical scheme, the bottom surface of the fan blade is fixedly connected through the screw, the screw is perfectly matched with the threaded hole on the outer wall of the connecting block, the stability of the connection is ensured, one end of the screw penetrates through the outer wall of the fan blade and the connecting block and is threadedly connected with the nut one, after the nut one is tightened, the outer wall of the connecting block is tightly abutted against the nut one and the screw, double fastening protection is formed, the fan blade will not be loose and fall off during high-speed rotation, and a solid foundation is laid for stable operation of the fan.

[0019] As a further description of the above technical solutions:

[0020] The bottom surface of the mounting disc is fixedly connected with a protective cover, and the middle part of the protective cover is fixedly connected with a nameplate.

[0021] Through the above technical solutions: the bottom surface of the mounting disc is fixedly connected with a protective cover, the protective cover resists dust and water vapor erosion from the outside for the internal components, and the middle part of the protective cover is fixedly connected with a nameplate, which is engraved with equipment information, facilitating subsequent maintenance, repair and equipment management.

[0022] As a further description of the above technical solutions:

[0023] The outer wall of the second screw is provided with a limiting groove two, and the outer wall of the first screw is provided with a limiting groove one.

[0024] Through the above technical solutions: the outer wall of the second screw is provided with a limiting groove two along the axial direction, and the cross section of the limiting groove two is circular, which can be closely matched with the matching limiting device to realize precise displacement control and prevent unnecessary circumferential rotation of the second screw during operation.

[0025] As a further description of the above technical solutions:

[0026] The inner wall bottom surface of the mounting hole is provided with a circular hole, and the fan blades are arranged in a circular array.

[0027] Through the above technical solutions: the inner wall bottom surface of the mounting hole is provided with a circular hole, the center of the circular hole coincides with the axis of the mounting hole, and the circular hole can provide a suitable accommodation space for the head of the bolt, and the fan blades are arranged in a circular array.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1、In the utility model, when the fan blade is installed, first, the connecting block and the fan blade are fixed by using the nut one and the screw, then one end of the connecting block is inserted into the mounting hole until the positioning hole is aligned with the positioning column, the knob one is rotated to drive the sleeve to rotate, the first screw is limited by the limiting groove one, that is, the first screw moves downward to press the pressing block, so that the compression column is attached to the circular hole, the positioning column is clamped to the positioning hole, the bottom surface of the pressing block is attached to the top surface of the connecting block, the fan blade is installed quickly and conveniently without additional tools, the working efficiency and the installation reliability are improved.

[0030] 2. The utility model discloses, need the output shaft of motor when connecting motor, put the output shaft of motor into the through -hole, rotate knob no. 2, and knob no. 2 drive rotating column rotation, namely bevel gear no. 2 rotates, and bevel gear no. 2 is engaged with bevel gear no. 1, and bevel gear no. 1 also rotates, and bevel gear no. 1 is also fixed nut no. 2, and nut no. 2 is connected with screw rod no. 2 screw thread, and the direction of rotation of screw rod no. 2 is defined by limit groove no. 2, make screw rod no. 2 displacement to right, and the output shaft of motor is clamped, realize simple and convenient locking. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a front side perspective view of the mounting disc convenient for installing the fan blade that the utility model proposes;

[0032] Figure 2 It is a local structure split drawing of the mounting disc connecting block convenient for installing the fan blade that the utility model proposes;

[0033] Figure 3 It is a local structure drawing of the mounting disc convenient for installing the fan blade pressure block that the utility model proposes;

[0034] Figure 4 It is a local structure display drawing of mounting disc screw rod no. 2 convenient for installing the fan blade that the utility model proposes;

[0035] Figure 5 It is a local structure schematic view of the mounting disc protective cover convenient for installing the fan blade that the utility model proposes.

[0036] LEGEND:

[0037] 1, mounting disc;2, locking mechanism;201, screw rod no. 2;202, bevel gear no. 1;203, nut no. 2;204, bevel gear no. 2;205, rotating column;206, knob no. 2;3, through -hole;4, mounting hole;5, positioning hole;6, connecting block;7, fan blade;8, pressure block;9, screw rod no. 1;10, positioning column;11, sleeve;12, spring;13, compression column;14, limit groove no. 1;15, knob no. 1;16, antiskid groove;17, round hole;18, nut no. 1;19, screw;20, protective cover;21, nameplate;22, limit groove no. 2. DETAILED DESCRIPTION

[0038] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, 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 the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0039] Please refer to the drawings of the embodiments of the utility model in Figure 1 - the drawingsFigure 3 The utility model provides an embodiment: a kind of installation disc of fan blade convenient to install, including installation disc 1, the middle part of installation disc 1 is equipped with through-hole 3, the outer wall of installation disc 1 is equipped with multiple mounting holes 4, the top of mounting hole 4 is slidably connected with compression block 8, the top of compression block 8 is rotatably connected with screw rod one 9, the outer wall of screw rod one 9 is threadedly connected with sleeve 11, the bottom of compression block 8 is fixedly connected with positioning column 10, the inner wall of mounting hole 4 is clamped with connecting block 6, the outer wall of connecting block 6 is equipped with multiple positioning holes 5, one end of connecting block 6 is fixedly connected with fan blade 7, the middle part of installation disc 1 is provided with locking mechanism 2, locking mechanism 2 uses fixed output shaft;

[0040] Specifically, through-hole 3 is adapted to the output shaft of motor, ensures that installation disc 1 can be stably and concentrically set on fixed output shaft, lays foundation for the stable rotation of subsequent fan blade 7, along the outer wall of installation disc 1, multiple mounting holes 4 are evenly distributed, the top of mounting hole 4 builds a slidingly connected compression block 8, can slide up and down freely inside, the top screw rod one 9 of compression block 8 is rotatably connected, so that screw rod one 9 can be vertically displaced when rotating, the outer wall of screw rod one 9 is threadedly connected with the inner wall of sleeve 11, when rotating sleeve 11, screw rod one 9 will be driven by thread to lift or lower compression block 8, multiple positioning columns 10 are fixedly connected at the bottom of compression block 8, the diameter of positioning column 10 is accurately matched with the inner diameter of positioning hole 5 on connecting block 6, can be quickly inserted into positioning hole 5 during installation, realizes preliminary positioning, prevents connecting block 6 from deviating in mounting hole 4, connecting block 6 is the bridge between fan blade 7 and installation disc 1, has enough rigidity to ensure that connection is stable, multiple positioning holes 5 are regularly arranged on outer wall, and work cooperatively with the positioning column 10 at the bottom of compression block 8.

[0041] Please refer to the attached Figure 4 -attached Figure 5 Locking mechanism 2 includes screw rod two 201, the outer wall of screw rod two 201 is slidably connected with the inner wall of installation disc 1, the outer wall of screw rod two 201 is slidably connected with bevel gear one 202, one side of bevel gear one 202 is fixedly connected with nut two 203, the outer wall of bevel gear one 202 is meshingly connected with bevel gear two 204, the middle part of bevel gear two 204 is fixedly connected with rotating column 205, the top of rotating column 205 is fixedly connected with knob two 206;

[0042] Specific, screw two 201 outer wall and the inner wall of the mounting disc 1 sliding connection, screw two 201 can along the inner wall of the mounting disc 1 freely reciprocating sliding, for the subsequent locking action provides a solid foundation, on the outer wall of screw two 201 sliding connection with a bevel gear 202, one side of bevel gear one 202, firmly connected with the nut two 203, nut two 203 and screw two 201 work together, precisely control the displacement of components, the outer wall of bevel gear one 202 and bevel gear two 204 meshing connection, power transmission, ensure that each rotation can be converted into accurate mechanical action, the middle of bevel gear two 204, stably connected with rotating column 205, rotating column 205 as the key link of power transmission, the external torque is transmitted to the entire gear mechanism, the top of rotating column 205, is provided with a knob two 206, knob two 206 is convenient to force rotation, by rotating knob two 206, can drive the whole locking mechanism 2, realize the efficient locking of the device.

[0043] Please refer to the attached Figure 1 - attached Figure 3 , the inner wall of the positioning column 10 is fixedly connected with the spring 12, the other end of the spring 12 is fixedly connected with the compression column 13, the top of the sleeve 11 is fixedly connected with the knob one 15, the outer wall of the knob one 15 is provided with the anti-skid groove 16, the bottom surface of the fan blade 7 is provided with the screw 19, one end of the screw 19 penetrates through the outer wall of the fan blade 7 and the connecting block 6 and is screwedly connected with the nut one 18;

[0044] Specifically, the inner wall of the positioning column 10 is fixedly connected with a spring 12, which can always maintain stable elastic performance in the process of repeated extension and contraction. The other end of the spring 12 is fixedly connected with the compression column 13. The surface of the compression column 13 is in sliding connection with the inner wall of the sleeve 11. The top of the sleeve 11 is fixedly connected with the knob one 15. The knob one 15 is convenient to force. A plurality of anti-skid grooves 16 are uniformly formed in the outer wall of the knob one 15, so as to guarantee sufficient friction and prevent slipping during rotation adjustment. The bottom surface of the fan blade 7 is fixedly connected through the screw 19. The screw 19 is perfectly matched with the threaded hole in the outer wall of the connecting block 6, so as to ensure the stability of connection. One end of the screw 19 penetrates through the outer wall of the fan blade 7 and the connecting block 6 and is screwedly connected with the nut one 18. After being tightened, the nut one 18 tightly abuts against the outer wall of the connecting block 6 and forms double fastening protection with the screw 19, so that the fan blade 7 will not be loose or fall off during high-speed rotation, thereby laying a solid foundation for stable operation of the fan.

[0045] Please refer to the attached Figure 3 - attached Figure 5The bottom surface of the mounting disc 1 is fixedly connected with a protective cover 20, the middle part of the protective cover 20 is fixedly connected with a nameplate 21, the outer wall of the screw two 201 is provided with a limiting groove two 22, the outer wall of the screw one 9 is provided with a limiting groove one 14, the inner wall bottom surface of the mounting hole 4 is provided with a circular hole 17, and the fan blades 7 are arranged in a circular array.

[0046] Specifically, the bottom surface of the mounting disc 1 is fixedly connected with the protective cover 20, the protective cover 20 is used to prevent the internal components from being eroded by dust and water vapor from the outside, the middle part of the protective cover 20 is fixedly connected with the nameplate 21, the nameplate 21 is engraved with equipment information, which facilitates subsequent maintenance, repair and equipment management work, the outer wall of the screw two 201 is provided with the limiting groove two 22 along the axial direction, the cross section of the limiting groove two 22 is circular, can be closely matched with the matching limiting device, realizes accurate displacement control, prevents unnecessary circumferential rotation of the screw two 201 during operation, the limiting groove one 14 of the outer wall of the screw one 9 is used to prevent unnecessary circumferential rotation of the screw two 201 during operation, the inner wall bottom surface of the mounting hole 4 is provided with the circular hole 17, the center of the circular hole 17 coincides with the axis of the mounting hole 4, and the circular hole 17 can provide a proper accommodation space for the head of the bolt, and the fan blades 7 are arranged in a circular array.

[0047] Working principle: when the fan blades 7 are installed, first, the connecting block 6 and the fan blades 7 are fixed by using the nut one 18 and the screw 19, then one end of the connecting block 6 is inserted into the mounting hole 4 until the positioning hole 5 is aligned with the positioning column 10, the knob one 15 is rotated to drive the sleeve 11 to rotate, the screw one 9 is limited by the limiting groove one 14, that is, the screw one 9 moves downward to press the compression block 8, so that the compression column 13 is attached to the circular hole 17, the positioning column 10 is clamped to the positioning hole 5, the bottom surface of the compression block 8 is attached to the top surface of the connecting block 6, the fan blades 7 are installed quickly, conveniently and without additional tools, the working efficiency and installation reliability are improved;

[0048] When the output shaft of the motor needs to be connected, the output shaft of the motor is placed in the through hole 3, the knob two 206 is rotated to drive the rotating column 205 to rotate, that is, the bevel gear two 204 is rotated, the bevel gear two 204 is engaged with the bevel gear one 202, the bevel gear one 202 is also rotated, the bevel gear one 202 is fixed with the nut two 203, the nut two 203 is threadedly connected with the screw two 201, the rotating direction of the screw two 201 is limited by the limiting groove two 22, so that the screw two 201 is displaced to the right to clamp the output shaft of the motor, and simple and convenient locking is realized.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A mounting disc for facilitating mounting of a fan blade, comprising a mounting disc (1), characterized in that: The middle part of the installation disc (1) is provided with a through hole (3), the outer wall of the installation disc (1) is provided with a plurality of mounting holes (4), the top of the mounting hole (4) is slidably connected with a pressing block (8), the top of the pressing block (8) is rotatably connected with a screw rod (9), the outer wall of the screw rod (9) is threadedly connected with a sleeve (11), the bottom of the pressing block (8) is fixedly connected with a positioning column (10), the inner wall of the mounting hole (4) is clamped with a connecting block (6), the outer wall of the connecting block (6) is provided with a plurality of positioning holes (5), one end of the connecting block (6) is fixedly connected with a fan blade (7), the middle part of the installation disc (1) is provided with a locking mechanism (2), and the locking mechanism (2) is used for fixing the output shaft.

2. The mounting disc of claim 1, wherein: The locking mechanism (2) comprises a screw rod (201), the outer wall of the screw rod (201) is slidably connected with the inner wall of the installation disc (1), the outer wall of the screw rod (201) is slidably connected with a bevel gear (202), one side of the bevel gear (202) is fixedly connected with a nut (203), the outer wall of the bevel gear (202) is meshedly connected with a bevel gear (204), the middle part of the bevel gear (204) is fixedly connected with a rotating column (205), and the top of the rotating column (205) is fixedly connected with a knob (206).

3. The mounting disc of claim 1, wherein: The inner wall of the positioning column (10) is fixedly connected with a spring (12), and the other end of the spring (12) is fixedly connected with a compression column (13).

4. The mounting disc of claim 1, wherein: The top of the sleeve (11) is fixedly connected with a knob (15), and the outer wall of the knob (15) is provided with an anti-skid groove (16).

5. The mounting disc of claim 1, wherein: The bottom surface of the fan blade (7) is provided with a screw (19), one end of the screw (19) penetrates through the fan blade (7) and the outer wall of the connecting block (6) and is threadedly connected with a nut (18).

6. The mounting disc of claim 1, wherein: The bottom surface of the installation disc (1) is fixedly connected with a protective cover (20), and the middle part of the protective cover (20) is fixedly connected with a nameplate (21).

7. The mounting disc of claim 2, wherein: The outer wall of the screw rod (201) is provided with a limiting groove (22), and the outer wall of the screw rod (9) is provided with a limiting groove (14).

8. The mounting disc of claim 1, wherein: The inner wall bottom surface of the mounting hole (4) is provided with a circular hole (17), and the fan blade (7) is arranged in a circular array.

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