A mobile fan

Abstract

The utility model provides a fan that is easy to move, belonging to the field of mechanical technology. It solves the problem that the existing fan is inconvenient to use. The fan that is easy to move includes a base, rollers, support feet and a fan body arranged on the base. Both sides of the base are long strip-shaped support beams, and the length of the support beams extends along the axial direction of the fan body. Rollers are installed below both ends of the support beams, and support feet are arranged between the two rollers connected to the same support beam; the cross section of the support beam is in the shape of a U-shaped support plate, and a support plate is arranged inside the support beam to slide up and down. Both ends of the support plate are detachably connected to the corresponding support beam by vertically arranged screws, and the screw heads are tightly pressed on the top wall of the support plate; a connecting rod is vertically fixed in the middle of the support plate, and through holes are vertically penetrated on the bottom walls of the two support beams. The lower ends of the two connecting rods pass through the two through holes and are fixed to the corresponding support feet; each support beam is provided with a spring that makes the corresponding support plate have an upward movement tendency. The fan that is easy to move is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a fan, in particular to a fan which is easy to move. Background Art

[0002] Mobile fans are easy to move and flexible to use, and are suitable for various indoor and outdoor environments, such as factories, office buildings, shopping malls, workshops, gymnasiums, hotels, etc.

[0003] An existing fan, such as a centrifugal fan disclosed in the China Patent Library (application number: 202020411141.3), includes a base, on which a fan body is arranged, a plurality of rollers are arranged on the lower surface of the base, a plurality of screws are also arranged on the lower surface of the base, and a support assembly that can be lifted up and down is arranged on the screw; the support assembly includes a support plate passed through the screw, and a screw member threadedly connected to the screw is fixedly connected to the top of the support plate.

[0004] When the ventilator is fixed for use, the support plate needs to be rotated to move it downward and contact the ground. Since the support plate is below the base and there is a small gap between the ground and the base, the operator needs to lie on his stomach to rotate the support plate during actual operation, which is inconvenient to use. Utility Model Content

[0005] The utility model aims to solve the above problems in the prior art and proposes a fan which is easy to use and portable.

[0006] The objectives of the utility model can be achieved through the following technical solutions: a fan that is easy to move, comprising a base, rollers, support feet and a fan body arranged on the base, characterized in that both sides of the base are long and horizontally arranged support beams, the length of the support beams extends along the axial direction of the fan body, the fan body is between the two support beams, and the two support beams are arranged side by side along the width direction of the support beams; the above-mentioned rollers are installed below both ends of the support beams, and the above-mentioned support feet are arranged between the two rollers connected to the same support beam; the cross-section of the support beam is in a U-shape, and a support plate is provided in the support beam for sliding up and down, and both ends of the support plate are detachably connected to the corresponding support beam by vertically arranged screws, and the screw heads are pressed tightly against the top wall of the support plate; a connecting rod is vertically fixed to the middle of the support plate, and through holes are vertically penetrated on the bottom walls of the two support beams, and the lower ends of the two connecting rods pass through the two through holes respectively and are fixedly connected to the corresponding support feet; a spring is provided in each support beam to make the corresponding support plate have an upward movement tendency.

[0007] When the fan is fixed in use, press the support plate down to make the support foot move down and contact the ground, then tighten the screws to fix the support foot, thereby stably positioning the fan; when the fan needs to be moved, loosen the screws, and the support plate automatically moves up under the action of the spring to make the support foot leave the ground. At this time, the fan can be easily pushed to move by the rollers.

[0008] When in use, pressing down the support plate can drive the support foot to move down, and the support foot can automatically move up under the action of the spring. In this way, in actual use, the entire switching process basically only requires tightening or loosening the screw. Since the screw is vertically arranged and its head is pressed on the top wall of the support plate so that the screw is completely exposed, the user only needs to bend down to easily rotate the screw, which has the advantages of easy operation and simple use.

[0009] In the above-mentioned mobile fan, the above-mentioned spring is sleeved on the corresponding connecting rod, and the two ends of the spring act on the corresponding supporting beam bottom wall and the corresponding supporting plate respectively, ensuring the stable operation of the spring and making the overall use more convenient.

[0010] In the above-mentioned mobile fan, the support foot includes a vertically arranged screw rod, the connecting rod is hollow and has an internal thread, and the upper end of the screw rod is screwed into the connecting rod, so that the height of the support foot can be adjusted separately, which is convenient for subsequent debugging.

[0011] In the above-mentioned mobile fan, the top surface of the connecting rod is pressed on the corresponding support plate, and the upper end of the connecting rod is fixedly connected to the corresponding support plate by vertically arranged bolts, so as to facilitate the connection between the connecting rod and the support plate.

[0012] In the above-mentioned mobile fan, the bolt is in the corresponding connecting rod, a ring-shaped limit seat is formed on the inner wall of the upper end of the connecting rod, a threaded hole matching the bolt is provided on the support plate, the bolt head is pressed tightly on the bottom surface of the corresponding limit seat, and the bolt rod is screwed into the corresponding threaded hole. The bolt is hidden between the connecting rod and the support plate, which can effectively prevent the bolt from being interfered by the outside and ensure the stable connection between the connecting rod and the support plate.

[0013] In the above-mentioned mobile fan, the limit seat is formed at the upper end of the connecting rod, and the top surface of the limit seat is also pressed on the support plate. This can increase the contact area between the connecting rod and the support plate, making the connection between the two more stable, and reduce the bolt length and reduce costs.

[0014] In the above-mentioned mobile fan, a guide sleeve matching the inner hole of the limit seat is vertically fixed on the support plate, the guide sleeve is inserted into the corresponding limit seat and sleeved on the corresponding bolt rod. The guide sleeve is used for installation guidance of the connecting rod and the support plate, which is convenient for assembly.

[0015] In the above-mentioned movable fan, the support plate is in the shape of a long plate and its length extends along the axial direction of the fan body. Two screws connected to the same support plate are distributed along the length direction of the support plate, which is convenient for operating the screws.

[0016] In the above-mentioned mobile fan, the cross section of the support plate is in an inverted shape matching the support beam, so that the support plate can slide more stably.

[0017] Compared with the prior art, the portable fan has the following advantages:

[0018] 1. When in use, pressing down the support plate can drive the support foot to move down, and the support foot can automatically move up under the action of the spring. In this way, in actual use, the entire switching process basically only needs to tighten or loosen the screw. Since the screw is vertically arranged and its head is pressed on the top wall of the support plate, so that the screw is completely exposed, the user only needs to bend over to easily rotate the screw, which has the advantages of easy operation and simple use.

[0019] 2. The bolts are hidden between the connecting rod and the support plate, which can effectively prevent the bolts from being interfered with by the outside and ensure the stable connection between the connecting rod and the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the mobile fan.

[0021] Figure 2 It is a cross-sectional schematic diagram of the mobile fan.

[0022] Figure 3 yes Figure 2 Enlarged schematic diagram at point A in the middle.

[0023] In the figure, 1, base; 1a, support beam; 2, roller; 3, support foot; 3a, screw; 4, fan body; 5, support plate; 6, screw; 7, connecting rod; 7a, limit seat; 8, spring; 9, bolt; 10, guide sleeve. DETAILED DESCRIPTION

[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0025] like Figure 1 and Figure 2 As shown, the portable fan comprises a base 1 , rollers 2 , support legs 3 and a fan body 4 arranged on the base 1 .

[0026] in,

[0027] Both sides of the base 1 are provided with long horizontal support beams 1a, and the length of the support beams 1a extends along the axial direction of the fan body 4. Figure 2 As shown, the fan body 4 is located between two supporting beams 1a, and the two supporting beams 1a are arranged side by side along the width direction of the supporting beams 1a. Rollers 2 are installed below both ends of each supporting beam 1a, and support feet 3 are provided between the two rollers 2 connected to the same supporting beam 1a. The support feet 3 are existing products, including a vertically arranged screw rod 3a and a rubber seat fixed at the lower end of the screw rod 3a.

[0028] like Figure 1 and Figure 2As shown, the cross section of the support beam 1a is in the shape of a U, and a support plate 5 is provided in the support beam 1a to slide up and down. Both ends of the support plate 5 are detachably connected to the corresponding support beam 1a by vertically arranged screws 6, and the head of the screw 6 is pressed tightly against the top wall of the support plate 5. A connecting rod 7 is vertically fixed in the middle of the support plate 5, and through holes are vertically penetrated on the bottom walls of the two support beams 1a. The lower ends of the two connecting rods 7 pass through the two through holes and are fixedly connected to the corresponding support feet 3. A spring 8 is provided in each support beam 1a to make the corresponding support plate 5 have an upward movement tendency.

[0029] When the fan is fixed in use, the support plate 5 is pressed down to make the support foot 3 move down and contact the ground, and then the screw 6 is tightened to fix the support foot 3, thereby stably positioning the fan; when the fan needs to be moved, the screw 6 is loosened, and the support plate 5 automatically moves up under the action of the spring 8 to make the support foot 3 leave the ground. At this time, the fan can be easily pushed to move by the roller 2.

[0030] When in use, pressing down the support plate 5 can drive the support foot 3 to move downward, and the support foot 3 can automatically move upward under the action of the spring 8. In this way, in actual use, the entire switching process basically only requires tightening or loosening the screw 6. Since the screw 6 is vertically arranged and its head is pressed on the top wall of the support plate 5, so that the screw 6 is completely exposed to the outside, the user only needs to bend down to easily rotate the screw 6, which has the advantages of easy operation and simple use.

[0031] In this embodiment,

[0032] The support plate 5 is in the shape of a long plate and its length extends along the axial direction of the fan body 4. The two screws 6 connected to the same support plate 5 are distributed along the length direction of the support plate 5, which is convenient for operating the screws 6. Preferably, the cross section of the support plate 5 is an inverted shape matching the support beam 1a, so that a stable and reliable sliding connection is formed between the support plate 5 and the corresponding support beam 1a.

[0033] like Figure 2 and Figure 3 As shown, the spring 8 is installed as follows: the spring 8 is sleeved on the corresponding connecting rod 7, and the two ends of the spring 8 act on the bottom wall of the corresponding supporting beam 1a and the corresponding supporting plate 5 respectively, ensuring the stable operation of the spring 8 and making the overall use more convenient.

[0034] The connecting rod 7 and the supporting leg are connected as follows: the connecting rod 7 is hollow and has an internal thread, and the upper end of the screw rod 3a is screwed into the connecting rod 7, so that the height of the supporting leg 3 can be adjusted separately, which is convenient for subsequent debugging.

[0035] like Figure 2 and Figure 3As shown, the connecting rod 7 is installed as follows: the top surface of the connecting rod 7 is pressed on the corresponding support plate 5, and the upper end of the connecting rod 7 is fixedly connected to the corresponding support plate 5 by a vertically arranged bolt 9, which facilitates the connection between the connecting rod 7 and the support plate 5. Specifically, the bolt 9 is in the corresponding connecting rod 7, and a ring-shaped limit seat 7a is formed on the inner wall of the upper end of the connecting rod 7, and the limit seat 7a and the corresponding connecting rod 7 are coaxially arranged. A threaded hole matching the bolt 9 is provided on the support plate 5, and the head of the bolt 9 is pressed tightly on the bottom surface of the corresponding limit seat 7a, and the rod of the bolt 9 is screwed into the corresponding threaded hole. The bolt 9 is hidden between the connecting rod 7 and the support plate 5, which can effectively prevent the bolt 9 from being disturbed by the outside and ensure the stable connection between the connecting rod 7 and the support plate 5. Further explanation, the limit seat 7a is formed at the upper end of the connecting rod 7, and the top surface of the limit seat 7a is also pressed on the support plate 5, which can increase the contact area between the connecting rod 7 and the support plate 5, making the connection between the two more stable, and can also reduce the length of the bolt 9 and reduce the cost.

[0036] Furthermore, a guide sleeve 10 matching the inner hole of the limit seat 7a is vertically fixed on the support plate 5, and the guide sleeve 10 is inserted into the corresponding limit seat 7a and sleeved on the rod of the corresponding bolt 9. The guide sleeve 10 is used for installation guidance of the connecting rod 7 and the support plate 5, which is convenient for assembly. Preferably, the guide sleeve 10 is welded and fixedly connected to the corresponding support plate 5.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A mobile fan, comprising a base (1), a roller (2), a support leg (3) and a fan body (4) arranged on the base (1), characterized in that: Both sides of the base (1) are provided with long strip-shaped and horizontally arranged support beams (1a), the length of the support beams (1a) extending along the axial direction of the fan body (4), the fan body (4) being located between the two support beams (1a), and the two support beams (1a) being arranged in parallel along the width direction of the support beams (1a); the above-mentioned rollers (2) are installed below both ends of the support beams (1a), and the above-mentioned support feet (3) are arranged between the two rollers (2) connected to the same support beam (1a); the cross section of the support beam (1a) is in the shape of a U-shaped support beam, and the inner upper portion of the support beam (1a) is provided with a support leg (3); A support plate (5) is provided on the lower slide, and both ends of the support plate (5) are detachably fixedly connected to the corresponding support beam (1a) by vertically arranged screws (6), and the heads of the screws (6) are tightly pressed against the top wall of the support plate (5); a connecting rod (7) is vertically fixed in the middle of the support plate (5), and through holes are vertically penetrated on the bottom walls of the two support beams (1a), and the lower ends of the two connecting rods (7) respectively pass through the two through holes and are fixedly connected to the corresponding support feet (3); each support beam (1a) is provided with a spring (8) that enables the corresponding support plate (5) to have an upward movement tendency.

2. The portable fan according to claim 1, characterized in that: The spring (8) is sleeved on the corresponding connecting rod (7), and two ends of the spring (8) act on the bottom wall of the corresponding supporting beam (1a) and the corresponding supporting plate (5) respectively.

3. The portable fan according to claim 1, characterized in that: The supporting foot (3) comprises a screw rod (3a) arranged vertically, the connecting rod (7) is hollow and has an internal thread, and the upper end of the screw rod (3a) is screwed into the connecting rod (7).

4. The portable fan according to claim 3, characterized in that: The top surface of the connecting rod (7) is pressed onto the corresponding support plate (5), and the upper end of the connecting rod (7) is fixedly connected to the corresponding support plate (5) via a vertically arranged bolt (9).

5. The portable fan according to claim 4, characterized in that: The bolt (9) is located in the corresponding connecting rod (7), and an annular limit seat (7a) is formed on the inner wall of the upper end of the connecting rod (7). A threaded hole matching the bolt (9) is provided on the support plate (5), and the head of the bolt (9) is tightly pressed against the bottom surface of the corresponding limit seat (7a), and the rod of the bolt (9) is screwed into the corresponding threaded hole.

6. The portable fan according to claim 5, characterized in that: The limiting seat (7a) is formed at the upper end of the connecting rod (7), and the top surface of the limiting seat (7a) is also pressed on the supporting plate (5).

7. The portable fan according to claim 6, characterized in that: A guide sleeve (10) matching the inner hole of the limit seat (7a) is vertically fixed on the support plate (5); the guide sleeve (10) is inserted into the corresponding limit seat (7a) and sleeved on the rod of the corresponding bolt (9).

8. The portable fan according to claim 1, characterized in that: The support plate (5) is in the shape of a long plate and its length extends along the axial direction of the fan body (4); and two screws (6) connected to the same support plate (5) are distributed along the length direction of the support plate (5).

9. The portable fan according to claim 8, characterized in that: The cross section of the support plate (5) is in an inverted shape matching the support beam (1a).

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