Corrosion-resistant fan

Abstract

The utility model provides a corrosion-resistant fan, which relates to the technical field of fans, and comprises a base, the upper surface of the base is fixedly connected with a fan body, the output end of the fan body is fixedly connected with a fixed pipe, the surface of the fixed pipe is provided with a protective device, and the protective device comprises a cover plate. The cover plate is rotationally connected to the upper surface of the fixing pipe, the size of the cover plate is larger than the size of the inner wall of the fixing pipe, a limiting plate is fixedly connected to one side of the cover plate, a U-shaped plate is fixedly connected to one side of the fixing pipe, the size of the inner wall of the U-shaped plate is matched with the size of the limiting plate, and a clamping plate is rotationally connected to one arm of the U-shaped plate. The effect of fixing the cover plate is achieved through the protection device, the cover plate covers the fixing pipe, the effect of protecting the fan body is achieved, and the situation that dust in air enters the fan body through the fixing pipe, and consequently the service life of the fan body is shortened is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a corrosion-resistant fan. Background Art

[0002] In chemical companies, fans are often needed to transport various gases, and many gases are corrosive. When transporting such gases, it is necessary to ensure that the fan volute does not leak air or liquid. Therefore, staff generally cover the inside of the fan with an anti-corrosion layer for corrosion protection.

[0003] In the prior art, a filter is generally added to the air inlet of the fan to block dust in the air, but not to the air outlet. When the fan is not in use, dust in the air can easily enter the inside of the fan from the air inlet of the fan, thereby affecting the service life of the fan. Utility Model Content

[0004] The utility model provides a corrosion-resistant fan to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a corrosion-resistant fan, comprising a base, the upper surface of the base is fixedly connected to a fan body, the output end of the fan body is fixedly connected to a fixed tube, the surface of the fixed tube is provided with a protective device, the protective device comprises a cover plate, the cover plate is rotatably connected to the upper surface of the fixed tube, the size of the cover plate is larger than the inner wall size of the fixed tube, one side of the cover plate is fixedly connected to a limiting plate, one side of the fixed tube is fixedly connected to a U-shaped plate, the inner wall size of the U-shaped plate is adapted to the size of the limiting plate, one arm of the U-shaped plate is rotatably connected to a clamping plate, the clamping plate is fixedly connected to a coil spring on the side close to the U-shaped plate, and one end of the coil spring is fixedly connected to the U-shaped plate.

[0006] The effects achieved by the above components are as follows: when the fan body is not needed, the card plate is rotated, the coil spring is deformed, and the inner wall of the U-shaped plate under the card plate is exposed. At this time, the cover plate is moved again, and the cover plate covers the fixed tube at the output end of the fan body, and the limit plate of the cover plate moves to the inside of the U-shaped plate. Finally, the card plate is released, and under the action of the resetting elastic force of the coil spring, the card plate blocks the opening of the U-shaped plate, thereby achieving the effect of fixing the limit plate, and the protective device achieves the effect of fixing the cover plate, and the cover plate covers the fixed tube, thereby achieving the effect of protecting the fan body, preventing dust in the air from entering the inside of the fan body through the fixed tube, thereby reducing the service life of the fan body.

[0007] Preferably, a control block is fixedly connected to one side of the card plate, and the surface of the control block is provided with anti-slip grooves.

[0008] The effect achieved by the above components is: by setting the control block, it is convenient for the staff to move the pallet, which brings convenience to the staff.

[0009] Preferably, the other arm of the U-shaped plate is fixedly connected to a baffle, and the baffle is located above the clamping plate.

[0010] The effect achieved by the above components is: by setting the baffle plate, the maximum displacement of the card plate is limited, thereby preventing the card plate from moving over the U-shaped plate.

[0011] Preferably, a sealing ring is fixedly connected to one side of the cover plate close to the fixed tube, and the sealing ring is a rubber ring.

[0012] The effect achieved by the above components is: by setting the sealing ring, the gap between the cover plate and the fixed tube is sealed, thereby preventing dust from entering the interior of the fixed tube through the gap between the cover plate and the fixed tube.

[0013] Preferably, auxiliary devices are provided on both sides of the base, and the auxiliary devices include four mounting grooves, and the four mounting grooves are respectively opened on both sides of the base, and the base is rotatably connected to a support plate by means of the mounting grooves, and the size of the mounting grooves is larger than the size of the support plate, and one end of the support plate is rotatably connected to a rotating rod, and the arc surface of the rotating rod is fixedly connected to a supporting leg, and one end of the rotating rod is fixedly connected to a circular plate, and an insertion rod is slidably provided on the surface of the circular plate, and four circular holes are opened on the support plate corresponding to the insertion rod, and the four circular holes are distributed in a circle.

[0014] The effect achieved by the above components is: when the base needs to be supported, first take the support plate out of the installation groove, then rotate the circular plate, the circular plate rotates with the rotating rod and the support leg, one end of the support leg is against the ground, and finally move the insertion rod, the insertion rod passes through the circular plate and is inserted into the circular hole of the support plate, thereby achieving the effect of fixing the support leg. The support leg set by the auxiliary device is against the ground, achieving the effect of supporting the base, improving the stability of the base and preventing the base from shaking.

[0015] Preferably, one end of the circular plate away from the rotating rod is fixedly connected to a pull plate, and the surface of the pull plate is provided with anti-slip grooves.

[0016] The effect achieved by the above components is: by setting the card plate, it is convenient for the staff to rotate the circular plate, which brings convenience to the staff.

[0017] Preferably, a storage groove is provided at the support plate corresponding to the support leg, and the size of the storage groove is larger than the size of the support leg.

[0018] The effect achieved by the above components is: by setting the storage groove, it is convenient for the staff to hide the legs and store the legs when they are not in use.

[0019] Preferably, one end of the insertion rod is fixedly connected to a pull rope, and one end of the pull rope is fixedly connected to the circular plate.

[0020] The effect achieved by the above components is: by setting the pull rope, the maximum displacement of the insertion rod is limited, thereby preventing the insertion rod from falling when not in use.

[0021] In summary, the beneficial effects of the utility model are:

[0022] When the fan body is not needed, the clamping plate is rotated, the coil spring is deformed, and the inner wall of the U-shaped plate under the clamping plate is exposed. At this time, the cover plate is moved, and the cover plate covers the fixed tube at the output end of the fan body, and the limit plate of the cover plate moves to the inside of the U-shaped plate. Finally, the clamping plate is released, and under the action of the resetting elastic force of the coil spring, the clamping plate blocks the opening of the U-shaped plate, thereby fixing the limit plate, fixing the cover plate through the protective device, and covering the fixed tube through the cover plate, thereby protecting the fan body, preventing dust in the air from entering the interior of the fan body through the fixed tube, thereby reducing the service life of the fan body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the protective device of the utility model;

[0025] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0026] Figure 4 The auxiliary device of the utility model Figure 4 For this utility model;

[0027] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0028] Legend: 1. Base; 2. Fan body; 3. Fixed pipe; 4. Protective device; 41. Cover plate; 42. Limit plate; 43. U-shaped plate; 44. Card plate; 45. Coil spring; 46. Baffle; 47. Control block; 48. Sealing ring; 5. Auxiliary device; 51. Mounting groove; 52. Support plate; 53. Support leg; 54. Rotating rod; 55. Round plate; 56. Insert rod; 57. Round hole; 58. Pull rope; 59. Pull plate; 510. Storage groove. DETAILED DESCRIPTION

[0029] Reference Figure 1-5As shown, this embodiment discloses a corrosion-resistant fan, including a base 1, a fan body 2 is fixedly connected to the upper surface of the base 1, a fixed pipe 3 is fixedly connected to the output end of the fan body 2, a protective device 4 is provided on the surface of the fixed pipe 3, and auxiliary devices 5 are provided on both sides of the base 1.

[0030] Reference Figure 1-5 As shown, the protective device 4 includes a cover plate 41, which is rotatably connected to the upper surface of the fixed tube 3, the size of the cover plate 41 is larger than the inner wall size of the fixed tube 3, one side of the cover plate 41 is fixedly connected to a limit plate 42, one side of the fixed tube 3 is fixedly connected to a U-shaped plate 43, the inner wall size of the U-shaped plate 43 is adapted to the size of the limit plate 42, one arm of the U-shaped plate 43 is rotatably connected to a clamping plate 44, and a coil spring 45 is fixedly connected to the side of the clamping plate 44 close to the U-shaped plate 43, and one end of the coil spring 45 is fixedly connected to the U-shaped plate 43. When the fan body 2 is not needed, the clamping plate 44 is rotated, the coil spring 45 is deformed, and the inner wall of the U-shaped plate 43 under the clamping plate 44 is exposed. At this time, the cover plate 41 is moved again, and the cover plate 41 covers the fixed tube 3 at the output end of the fan body 2, and the limit plate 42 of the cover plate 41 moves to the inside of the U-shaped plate 43. Finally, the clamping plate 44 is released, and under the action of the restoring elastic force of the coil spring 45, the clamping plate 44 blocks the opening of the U-shaped plate 43, thereby achieving the effect of fixing the limit plate 42, and the protective device 4 achieves the effect of fixing the cover plate 41, and the fixed tube 3 is covered by the cover plate 41, so as to achieve the effect of protecting the fan body 2, thereby preventing dust in the air from entering the inside of the fan body 2 through the fixed tube 3, thereby reducing the service life of the fan body 2.

[0031] Reference Figure 1-5 As shown, a control block 47 is fixedly connected to one side of the card plate 44, and the surface of the control block 47 is provided with anti-slip grooves. By setting the control block 47, the effect of facilitating the staff to move the card plate 44 is achieved, which brings convenience to the staff. The other arm of the U-shaped plate 43 is fixedly connected to a baffle 46, and the baffle 46 is located above the card plate 44. By setting the baffle 46, the effect of limiting the maximum displacement of the card plate 44 is achieved, and the card plate 44 is prevented from moving over the U-shaped plate 43. A sealing ring 48 is fixedly connected to one side of the cover plate 41 close to the fixed tube 3, and the sealing ring 48 is a rubber ring. By setting the sealing ring 48, the effect of sealing the gap between the cover plate 41 and the fixed tube 3 is achieved, and dust is prevented from entering the interior of the fixed tube 3 through the gap between the cover plate 41 and the fixed tube 3.

[0032] Reference Figure 1-5As shown, the auxiliary device 5 includes four mounting grooves 51, and the four mounting grooves 51 are respectively opened on both sides of the base 1. The base 1 is rotatably connected to the support plate 52 by means of the mounting grooves 51. The size of the mounting grooves 51 is larger than the size of the support plate 52. One end of the support plate 52 is rotatably connected to a rotating rod 54, and the arc surface of the rotating rod 54 is fixedly connected to a supporting leg 53. One end of the rotating rod 54 is fixedly connected to a circular plate 55, and an insertion rod 56 is slidably inserted on the surface of the circular plate 55. Four circular holes 57 are opened at the support plate 52 corresponding to the insertion rod 56, and the four circular holes 57 are distributed in a circle. When the base 1 needs to be supported, the support plate 52 is first taken out of the installation groove 51, and then the circular plate 55 is rotated, and the circular plate 55 rotates with the rotating rod 54 and the support leg 53, and one end of the support leg 53 is against the ground. Finally, the insertion rod 56 is moved, and the insertion rod 56 passes through the circular plate 55 and is inserted into the circular hole 57 of the support plate 52, thereby achieving the effect of fixing the support leg 53. The support leg 53 set by the auxiliary device 5 is against the ground, which achieves the effect of supporting the base 1, improves the stability of the base 1, and prevents the base 1 from shaking.

[0033] Reference Figure 1-5 As shown, one end of the circular plate 55 away from the rotating rod 54 is fixedly connected to a pull plate 59, and the surface of the pull plate 59 is provided with anti-slip grooves. By providing the clamping plate 44, the effect of facilitating the staff to rotate the circular plate 55 is achieved, which brings convenience to the staff. A storage groove 510 is provided at the support plate 52 corresponding to the support leg 53, and the size of the storage groove 510 is larger than the size of the support leg 53. By providing the storage groove 510, the effect of facilitating the staff to hide the support leg 53 is achieved, and the support leg 53 is convenient for storage when the support leg 53 is not in use. One end of the insertion rod 56 is fixedly connected to a pull rope 58, and one end of the pull rope 58 is fixedly connected to the circular plate 55. By providing the pull rope 58, the effect of limiting the maximum displacement of the insertion rod 56 is achieved, so as to prevent the insertion rod 56 from falling when not in use.

[0034] Working principle: when the fan body 2 is not needed, the card plate 44 is rotated by the control block 47, the coil spring 45 is deformed, and the inner wall of the U-shaped plate 43 under the card plate 44 is exposed. At this time, the cover plate 41 is moved again, and the cover plate 41 covers the fixed tube 3 at the output end of the fan body 2, and the limit plate 42 of the cover plate 41 moves to the inside of the U-shaped plate 43. Finally, the control block 47 is released, and under the action of the reset elastic force of the coil spring 45, the card plate 44 moves to the position of the baffle 46 and blocks the opening of the U-shaped plate 43, thereby achieving the effect of fixing the limit plate 42, and the protective device 4 achieves the effect of fixing the cover plate 41, and the fixed tube 3 is covered by the cover plate 41, so as to achieve the effect of protecting the fan body 2, and prevent dust in the air from entering the inside of the fan body 2 through the fixed tube 3, thereby reducing the service life of the fan body 2.

[0035] When the base 1 needs to be supported, the support plate 52 is first taken out of the installation groove 51. At this time, the circular plate 55 is rotated by the pull plate 59, and the circular plate 55 rotates with the rotating rod 54 and the support leg 53. One end of the support leg 53 is against the ground. Finally, the insertion rod 56 is moved, and the insertion rod 56 passes through the circular plate 55 and is inserted into the circular hole 57 of the support plate 52, thereby achieving the effect of fixing the support leg 53. The support leg 53 set by the auxiliary device 5 is against the ground, thereby achieving the effect of supporting the base 1, improving the stability of the base 1 and preventing the base 1 from shaking.

Claims

1. A corrosion-resistant fan, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a fan body (2), the output end of the fan body (2) is fixedly connected to a fixed pipe (3), the surface of the fixed pipe (3) is provided with a protective device (4), the protective device (4) comprises a cover plate (41), the cover plate (41) is rotatably connected to the upper surface of the fixed pipe (3), the size of the cover plate (41) is larger than the inner wall size of the fixed pipe (3), one side of the cover plate (41) is fixedly connected to a limit plate (42), one side of the fixed pipe (3) is fixedly connected to a U-shaped plate (43), the inner wall size of the U-shaped plate (43) is matched with the size of the limit plate (42), one arm of the U-shaped plate (43) is rotatably connected to a clamping plate (44), the clamping plate (44) is fixedly connected to a coil spring (45) on a side close to the U-shaped plate (43), one end of the coil spring (45) is fixedly connected to the U-shaped plate (43).

2. A corrosion-resistant fan according to claim 1, characterized in that: A control block (47) is fixedly connected to one side of the clamping plate (44), and a surface of the control block (47) is provided with anti-slip grooves.

3. The corrosion-resistant fan according to claim 1, characterized in that: The other arm of the U-shaped plate (43) is fixedly connected to a baffle (46), and the baffle (46) is located above the clamping plate (44).

4. The corrosion-resistant fan according to claim 1, characterized in that: A sealing ring (48) is fixedly connected to one side of the cover plate (41) close to the fixed pipe (3), and the sealing ring (48) is a rubber ring.

5. The corrosion-resistant fan according to claim 1, characterized in that: Auxiliary devices (5) are provided on both sides of the base (1), and the auxiliary devices (5) include four mounting grooves (51). The four mounting grooves (51) are respectively provided on both sides of the base (1). The base (1) is rotatably connected to a support plate (52) by means of the mounting grooves (51). The size of the mounting grooves (51) is larger than the size of the support plate (52). One end of the support plate (52) is rotatably connected to a rotating rod (54). The arc surface of the rotating rod (54) is fixedly connected to a supporting leg (53). One end of the rotating rod (54) is fixedly connected to a circular plate (55). An insertion rod (56) is slidably provided on the surface of the circular plate (55). Four circular holes (57) are provided on the support plate (52) corresponding to the insertion rod (56). The four circular holes (57) are distributed in a circumference.

6. The corrosion-resistant fan according to claim 5, characterized in that: One end of the circular plate (55) away from the rotating rod (54) is fixedly connected to a pull plate (59), and the surface of the pull plate (59) is provided with anti-slip grooves.

7. The corrosion-resistant fan according to claim 5, characterized in that: The support plate (52) is provided with a storage groove (510) at a position corresponding to the support leg (53), and the size of the storage groove (510) is larger than the size of the support leg (53).

8. The corrosion-resistant fan according to claim 5, characterized in that: One end of the insertion rod (56) is fixedly connected to a pull rope (58), and one end of the pull rope (58) is fixedly connected to the circular plate (55).

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