Clamp type fan

Abstract

The utility model discloses a clamping type fan, which relates to the technical field of environmental electric appliances and comprises an air outlet unit and a clamping unit. The front pivoting arm and the rear pivoting arm are buckled with each other to form a whole, and the positioning fixing piece is bridged between the front pivoting arm and the rear pivoting arm to fix the front pivoting arm and the rear pivoting arm; the horizontal pivoting shaft of the pivoting arm assembly is pivoted to the horizontal pivoting seat of the clamping unit, and a rotary positioning structure is arranged between the positioning fixing piece of the pivoting arm assembly and the upper shell of the clamping unit, so that the pivoting arm assembly can horizontally rotate and be positioned relative to the clamping unit. The utility model mainly solves the problem of how to provide a reasonable assembly and rotary positioning structure for the clip-type fan. The utility model provides a reasonable assembly and rotary positioning structure for the clip-type fan, and has the characteristics of simple, stable and reliable structure and capability of simplifying the assembly process.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental electric appliance technical field, concretely is a kind of clamp type fan. BACKGROUND

[0002] Portable fan has various categories, for example, handheld fan, neck fan and vehicle-mounted fan etc., in addition, clamp type fan is also one of common portable fan categories.

[0003] Clamp type fan usually includes air outlet unit and clamping unit connected with each other, air outlet unit is used to air outlet, and clamping unit can clamp fixed objects such as table edge, cabinet wall, chair back and railing, so as to fix the whole clamp type fan, loosen clamping unit, clamp type fan can be moved.

[0004] In prior art, the air outlet unit of clamp type fan usually includes mesh, motor and fan blade, wherein, the mesh is used as structural support component and external protection component of air outlet unit, and also used as air inlet and outlet component of air outlet unit, motor is contained and fixed in mesh, and fan blade is also contained in mesh and sleeved on the rotating shaft of motor, motor drives fan blade to rotate, that is, to realize the air outlet function of clamp type fan.

[0005] The clamp type fan with the above structure has at least the following technical problems:

[0006] 1, the air outlet unit of clamp type fan is pivoted on its clamping unit, so that user can manually rotate air outlet unit to adjust horizontal air outlet angle, but there is no reliable positioning structure between air outlet unit and clamping unit, so that air outlet unit is easy to rotate relative to clamping unit due to slipping;

[0007] 2, the assembly structure of clamp type fan is relatively complex, has a large number of screw fixing positions, so that the production efficiency of clamp type fan is not high.

[0008] In summary, how to provide reasonable assembly and rotation positioning structure for clamp type fan becomes a problem to be solved. UTILITY MODEL CONTENTS

[0009] The utility model aims at providing a kind of clamp type fan, it has reasonable assembly and rotation positioning structure.

[0010] To achieve the above object, the utility model provides the following technical scheme: a clamping type fan, it includes air outlet unit and clamping unit, air outlet unit includes net grid subassembly, motor, fan blade and pivot joint arm subassembly, the motor is contained and fixed in net grid subassembly, the fan blade is connected on the pivot of motor, makes the fan blade can rotate in net grid subassembly, both sides of net grid subassembly are formed with the pitch pivot joint axle respectively, pivot joint arm subassembly includes front pivot joint arm, rear pivot joint arm and positioning fixing piece, the front pivot joint arm is mutually buckled with rear pivot joint arm, forms an organic whole, and the positioning fixing piece is bridged between the front pivot joint arm and rear pivot joint arm to fix the front pivot joint arm and rear pivot joint arm, after the front pivot joint arm, rear pivot joint arm and positioning fixing piece are mutually fixed, both ends of pivot joint arm subassembly are formed with the pitch pivot joint seat and horizontal pivot axle respectively, the positioning fixing piece is located at the bottom of horizontal pivot axle, the pitch pivot joint axle of net grid subassembly is pivoted at the pitch pivot joint seat of pivot joint arm subassembly, makes net grid subassembly can swing in the pitch to pivot joint arm subassembly, clamping unit includes upper clamping arm subassembly and lower clamping arm, upper clamping arm subassembly includes upper shell and lower shell, the upper shell is mutually fixed with lower shell and forms an organic whole, upper clamping arm subassembly and lower clamping arm are mutually pivoted, makes upper clamping arm subassembly and lower clamping arm can be relatively opened and folded, the upper shell of clamping unit is formed with horizontal pivot seat, the horizontal pivot axle of pivot joint arm subassembly is pivoted at the horizontal pivot seat of clamping unit, and the positioning fixing piece of pivot joint arm subassembly and the upper shell of clamping unit have rotating positioning structure, makes pivot joint arm subassembly can rotate and position relative to clamping unit.

[0011] In the above technical scheme, the positioning fixing piece of the pivot joint arm subassembly is formed with a positioning tab; the upper shell of the clamping unit is formed with a positioning recess group on the inner side of the horizontal pivot seat; the positioning tab of the positioning fixing piece can be inserted into the positioning recess group of the upper shell to position the pivot joint arm subassembly.

[0012] In the above technical scheme, the front pivot joint arm of the pivot joint arm subassembly is formed with a front fixing column at the horizontal pivot axle; the rear pivot joint arm of the pivot joint arm subassembly is formed with a rear fixing column at the horizontal pivot axle; the positioning fixing piece is respectively formed with a front fixing seat and a rear fixing seat; the front fixing column of the front pivot joint arm is inserted into the front fixing seat of the positioning fixing piece, and the rear fixing column of the rear pivot joint arm is inserted into the rear fixing seat of the positioning fixing piece to fix the front pivot joint arm and the rear pivot joint arm.

[0013] In the technical scheme, the front pivot arm of the pivot arm assembly is formed with a front clamping groove outside the pitch pivot seat; the rear pivot arm of the pivot arm assembly is formed with a rear clamping groove outside the pitch pivot seat; and the pivot arm assembly further comprises a clamping piece which is clamped at the front clamping groove of the front pivot arm and the rear clamping groove of the rear pivot arm respectively to fix the front pivot arm and the rear pivot arm.

[0014] In the technical scheme, the mesh grid assembly of the air outlet unit comprises a rear mesh grid member and a front mesh grid member; the rear mesh grid member and the front mesh grid member are clamped with each other to form an integral body to constitute the mesh grid assembly; and the motor is fixed at the rear mesh grid member of the mesh grid assembly.

[0015] In the technical scheme, the air outlet unit further comprises a circuit board and a rear cover member; the circuit board is accommodated and fixed outside the mesh grid assembly, and the circuit board is electrically connected with the motor; and the rear cover member is clamped and fixed outside the mesh grid assembly to cover the circuit board.

[0016] In the technical scheme, the clamping unit further comprises a battery; the battery is accommodated in the upper clamping arm assembly, and the battery is electrically connected with the circuit board of the air outlet unit.

[0017] In the technical scheme, the clamping unit, the lower shell of the upper clamping arm assembly is formed with a plug-in type pivot arm, the lower clamping arm is formed with a clamping type pivot seat, and the plug-in type pivot arm of the upper clamping arm assembly is inserted and pivoted in the clamping type pivot seat of the lower clamping arm.

[0018] In the technical scheme, the clamping unit, a torsion spring is arranged between the upper clamping arm assembly and the lower clamping arm.

[0019] Compared with the prior art, the clamping fan has the advantages that: the front pivot arm and the rear pivot arm are clamped with each other to form an integral body, the positioning fixing member is connected between the front pivot arm and the rear pivot arm to fix the front pivot arm and the rear pivot arm, a simple and stable and reliable fixing structure is provided for the pivot arm assembly, and the assembly process of the clamping fan is simplified; the horizontal pivot shaft of the pivot arm assembly is pivoted at the horizontal pivot seat of the clamping unit, the positioning fixing member of the pivot arm assembly and the upper shell of the clamping unit have a rotating positioning structure, the pivot arm assembly can rotate horizontally and be positioned relative to the clamping unit, a simple and stable and reliable positioning structure is provided between the pivot arm assembly and the clamping unit, the clamping fan has a reasonable assembly and rotating positioning structure, and has the characteristics of simple and stable and reliable structure and simplified assembly process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective view of the utility model.

[0021] Figure 2 is one of the explosion views of the utility model.

[0022] Figure 3 is Figure 2 A partial enlarged view in the

[0023] Figure 4 is the second explosion view of the utility model.

[0024] Figure 5 is Figure 4 B partial enlarged view in the

[0025] The figure mark is: 1, air outlet unit; 11, net grid assembly; 111, rear net grid component; 1111, pitch pivot joint shaft; 112, front net grid component; 12, motor; 13, fan blade; 14, pivot arm assembly; 141, front pivot arm; 1411, front fixed column; 1412, front buckling groove; 142, rear pivot arm; 1421, rear fixed column; 1422, rear buckling groove; 143, pitch pivot joint seat; 144, horizontal pivot joint shaft; 145, buckling piece; 146, positioning fixing piece; 1461, front fixed seat; 1462, rear fixed seat; 1463, positioning elastic sheet; 1464, positioning convex point; 15, circuit board; 16, rear cover component; 2, clamping unit; 21, upper clamping arm assembly; 211, upper shell; 2111, horizontal pivot joint seat; 2112, positioning concave point group; 212, lower shell; 2121, plug-in type pivot arm; 22, lower clamping arm; 221, clamping type pivot joint seat; 23, torsional spring; 24, battery. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The embodiment provides a clamping type fan which can be clamped on fixed objects such as desktops, desktop aprons, chair backs, handrails, railings, shelves, bed edges, window edges and door frames and provide air outlet functions.

[0028] Please refer to Figures 1-5 The clamping type fan of the embodiment comprises an air outlet unit 1 and a clamping unit 2.

[0029] The air outlet unit 1 comprises a net grid assembly 11, a motor 12, a fan blade 13 and a pivot arm assembly 14.

[0030] The motor 12 is a small DC motor, and the fan blade 13 is an integrally molded engineering plastic component with several blades.

[0031] The motor 12 is housed and fixed in the grid assembly 11, and the fan blade 13 is connected to the shaft of the motor 12 (the two are interference-fitted or key-fitted), so that the fan blade 13 can rotate in the grid assembly 11.

[0032] The mesh assembly 11 has pitch pivot shafts 1111 formed on both sides. In fact, the pitch pivot shafts 1111 are integrally formed shaft-shaped features on both sides of the mesh assembly 11.

[0033] The pivot arm assembly 14 includes a front pivot arm 141, a rear pivot arm 142, and a positioning and fixing member 146.

[0034] The front pivot arm 141 and the rear pivot arm 142 are both fork-shaped engineering plastic components, while the positioning and fixing component 146 is a plate-shaped engineering plastic component.

[0035] The front pivot arm 141 and the rear pivot arm 142 are interlocked to form a whole. Specifically, the mating surfaces of the front pivot arm 141 and the rear pivot arm 142 are provided with a snap-fit ​​or snap-shaft structure so that the mating surfaces of the two can be interlocked to form a whole. Furthermore, the positioning and fixing member 146 is connected between the front pivot arm 141 and the rear pivot arm 142 to fix the front pivot arm 141 and the rear pivot arm 142.

[0036] After the front pivot arm 141, the rear pivot arm 142, and the positioning and fixing member 146 are fixed together, the two ends of the pivot arm assembly 14 are respectively formed with pitch pivot seats 143 and horizontal pivot shafts 144, and the positioning and fixing member 146 is located at the bottom of the horizontal pivot shaft 144. Specifically, the pitch pivot seats 143 are located at the ends of the two forked arms of the front pivot arm 141 and the rear pivot arm 142, and two are arranged opposite each other. For each pitch pivot seat 143, it is arranged in half on the front pivot arm 141 and the rear pivot arm 142. Specifically, the horizontal pivot shaft 144 is located at the root of the front pivot arm 141 and the rear pivot arm 142, and it is arranged in half on the front pivot arm 141 and the rear pivot arm 142.

[0037] The pitching pivot shaft 1111 of the screen assembly 11 is pivoted at the pitching pivot seat 143 of the pivot arm assembly 14, so that the screen assembly 11 can pitch relative to the pivot arm assembly 14; specifically, the pitching pivot shaft 1111 of the screen assembly 11 is inserted into the pitching pivot seat 143 of the pivot arm assembly 14, and the two are in interference fit, friction fit or special-shaped fit, so that the screen assembly 11 can pitch relative to the pivot arm assembly 14 when under force, and can be positioned relative to the pivot arm assembly 14 when not under force.

[0038] The clamping unit 2 comprises an upper clamping arm assembly 21 and a lower clamping arm 22.

[0039] The lower clamping arm 22 is a plate-shaped engineering plastic member.

[0040] The upper clamping arm assembly 21 comprises an upper shell 211 and a lower shell 212, both of which are half shells made of engineering plastic material, and the upper shell 211 and the lower shell 212 are fixedly combined with each other to form an integral body (specifically, they are mutually buckled and then locked by screws).

[0041] The upper clamping arm assembly 21 and the lower clamping arm 22 are pivotally connected to each other, so that the upper clamping arm assembly 21 and the lower clamping arm 22 can be relatively opened and closed.

[0042] The upper shell 211 of the clamping unit 2 is formed with a horizontal pivot seat 2111, specifically, the horizontal pivot seat 2111 is a through hole integrally formed on the upper shell 211.

[0043] The horizontal pivot shaft 144 of the pivot arm assembly 14 is pivoted at the horizontal pivot seat 2111 of the clamping unit 2, specifically, the horizontal pivot shaft 144 of the pivot arm assembly 14 is directly inserted into the horizontal pivot seat 2111 of the clamping unit 2; and the positioning and fixing member 146 of the pivot arm assembly 14 and the upper shell 211 of the clamping unit 2 have a rotational positioning structure, so that the pivot arm assembly 14 can rotate and be positioned relative to the clamping unit 2.

[0044] Specifically, the positioning fixing piece 146 of the pivot arm assembly 14 is formed with a positioning elastic sheet 1463 with a positioning protrusion 1464, that is, the positioning elastic sheet 1463 and the positioning protrusion 1464 are both structural features integrally formed at the positioning fixing piece 146; the upper shell 211 of the clamping unit 2 is formed with a positioning concave point group 2112 on the inner side of the horizontal pivot seat 2111, specifically, a plurality of positioning concave points are formed at the inner wall of the horizontal pivot seat 2111 of the upper shell 211, forming a circle, that is, the positioning concave point group 2112; the positioning protrusion 1464 of the positioning fixing piece 146 can be clamped into the positioning concave point group 2112 of the upper shell 211 to position the pivot arm assembly 14; in this way, a simple, stable and reliable positioning structure is provided between the pivot arm assembly 14 and the clamping unit 2.

[0045] Specifically, the front pivot arm 141 of the pivot arm assembly 14 is formed with a front fixed column 1411 at the horizontal pivot shaft 144, that is, the front fixed column 1411 is a screw column integrally formed on the inner side of the horizontal pivot shaft 144; the rear pivot arm 142 of the pivot arm assembly 14 is formed with a rear fixed column 1421 at the horizontal pivot shaft 144, that is, the rear fixed column 1421 is a screw column integrally formed on the inner side of the horizontal pivot shaft 144; the positioning fixing piece 146 is respectively formed with a front fixed seat 1461 and a rear fixed seat 1462, specifically, the front fixed seat 1461 and the rear fixed seat 1462 are both structural features integrally formed at the positioning fixing piece 146; the front fixed column 1411 of the front pivot arm 141 is inserted into the front fixed seat 1461 of the positioning fixing piece 146, and the rear fixed column 1421 of the rear pivot arm 142 is inserted into the rear fixed seat 1462 of the positioning fixing piece 146 to fix the front pivot arm 141 and the rear pivot arm 142; in this embodiment, after the screw passes through the front fixed seat 1461 of the positioning fixing piece 146, it is locked into the front fixed column 1411 of the front pivot arm 141, and after the screw passes through the rear fixed seat 1462 of the positioning fixing piece 146, it is locked into the rear fixed column 1421 of the rear pivot arm 142; in this way, a simple, stable and reliable fixed assembly structure is provided for the pivot arm assembly 14.

[0046] Specifically, the front pivot arm 141 of the pivot arm assembly 14 is formed with a front clamping groove 1412 outside the pitch pivot seat 143, that is, the front clamping groove 1412 is a groove position integrally formed at the end of the two diverging arms of the front pivot arm 141, and has a plurality of clamping grooves inside; the rear pivot arm 142 of the pivot arm assembly 14 is formed with a rear clamping groove 1422 outside the pitch pivot seat 143, that is, the rear clamping groove 1422 is a groove position integrally formed at the end of the two diverging arms of the rear pivot arm 142, and has a plurality of clamping grooves inside; the pivot arm assembly 14 further comprises a clamping piece 145, which has a plurality of clamping teeth, and the clamping piece 145 is clamped at the front clamping groove 1412 of the front pivot arm 141 and the rear clamping groove 1422 of the rear pivot arm 142, respectively, to fix the front pivot arm 141 and the rear pivot arm 142. In this embodiment, the plurality of clamping teeth of the clamping piece 145 are clamped into the plurality of clamping grooves of the front clamping groove 1412 and the plurality of clamping grooves of the rear clamping groove 1422, respectively.

[0047] Specifically, the mesh assembly 11 of the air outlet unit 1 comprises a rear mesh member 111 and a front mesh member 112, wherein the rear mesh member 111 and the front mesh member 112 are both half shells made of engineering plastic material and both have meshes; the rear mesh member 111 and the front mesh member 112 are clamped together to form an integral whole to constitute the mesh assembly 11. Specifically, the mating surfaces of the rear mesh member 111 and the front mesh member 112 are provided with buckle or shaft structures, so that the mating surfaces can be clamped together and form an integral whole; the motor 12 is fixed at the rear mesh member 111 of the mesh assembly 11.

[0048] Further, the air outlet unit 1 further comprises a circuit board 15 and a rear cover member 16, wherein the circuit board 15 is a printed circuit board 15 which at least carries a power supply interface and a motor 12 driving module, and the rear cover member 16 is a cover-shaped member made of engineering plastic material; the circuit board 15 is accommodated and fixed outside the mesh assembly 11 (specifically accommodated and fixed in the accommodation groove outside the rear mesh member 111); and the circuit board 15 is electrically connected with the motor 12, specifically, the circuit board 15 is connected with the motor 12 through the cavity structure inside the rear mesh member 111; the rear cover member 16 is clamped and fixed outside the mesh assembly 11 to cover the circuit board 15. It can be understood that the power supply interface of the circuit board 15 passes out of the rear cover member 16.

[0049] Further, the clamping unit 2 further comprises a battery 24, which is a rechargeable lithium battery; the battery 24 is accommodated in the upper clamping arm assembly 21, and the battery 24 is electrically connected with the circuit board 15 of the air outlet unit 1, specifically, the circuit board 15 is electrically connected with the battery 24 through the wiring of the cavity structure in the rear mesh grid member 111 and the upper clamping arm assembly 21; the battery 24 can be charged through the power supply interface of the circuit board 15.

[0050] It can be understood that the circuit board 15 is provided with a switch, the rear cover member 16 is provided with a button, the button of the rear cover member 16 is in mutual position with the switch of the circuit board 15, and the button is pressed to trigger the switch, so that the on / off of the motor 12 and the speed gear adjustment are realized.

[0051] Further, in the clamping unit 2, the lower shell 212 of the upper clamping arm assembly 21 is formed with a plug-in type pivot arm 2121, specifically, the plug-in type pivot arm 2121 is a sheet structure feature integrally formed on the bottom surface of the lower shell 212, and a short shaft is formed on the surface of the plug-in type pivot arm 2121; the lower clamping arm 22 is formed with a clamping type pivot seat 221, which is a clamping type structure integrally formed on the lower clamping arm 22, and a pivot hole is formed on the inner side of the clamping type pivot seat 221; the plug-in type pivot arm 2121 of the upper clamping arm assembly 21 is inserted and pivoted in the clamping type pivot seat 221 of the lower clamping arm 22 (the short shaft of the plug-in type pivot arm 2121 is inserted into the pivot hole of the clamping type pivot seat 221 to realize the pivoting of the two).

[0052] Further, in the clamping unit 2, the torsional spring 23 is arranged between the upper clamping arm assembly 21 and the lower clamping arm 22, so that the upper clamping arm assembly 21 and the lower clamping arm 22 obtain the rebound force in the folding direction.

[0053] The clamping fan of the embodiment, the front pivot arm 141 and the rear pivot arm 142 are mutually buckled to form an integral body, and the positioning and fixing member 146 is bridged between the front pivot arm 141 and the rear pivot arm 142 to fix the front pivot arm 141 and the rear pivot arm 142, which provides a simple, stable and reliable fixing structure for the pivot arm assembly 14 and simplifies the assembly process of the clamping fan; the horizontal pivot shaft 144 of the pivot arm assembly 14 is pivoted at the horizontal pivot seat 2111 of the clamping unit 2, and the positioning and fixing member 146 of the pivot arm assembly 14 and the upper shell 211 of the clamping unit 2 have a rotary positioning structure, so that the pivot arm assembly 14 can rotate and position horizontally relative to the clamping unit 2, which provides a simple, stable and reliable positioning structure between the pivot arm assembly 14 and the clamping unit 2.

[0054] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clip-on fan characterized by, The air outlet unit and the clamping unit are included; The air outlet unit includes a mesh assembly, a motor, a fan blade and a pivot arm assembly; The motor is contained and fixed in the mesh assembly, and the fan blade is connected to the rotating shaft of the motor, so that the fan blade can rotate in the mesh assembly; Both sides of the mesh assembly are respectively formed with a pitch pivot shaft; The pivot arm assembly includes a front pivot arm, a rear pivot arm and a positioning fixing part; The front pivot arm and the rear pivot arm are mutually buckled to form an integral body, and the positioning fixing part is bridged between the front pivot arm and the rear pivot arm to fix the front pivot arm and the rear pivot arm; After the front pivot arm, the rear pivot arm and the positioning fixing part are mutually fixed, both ends of the pivot arm assembly are respectively formed with a pitch pivot seat and a horizontal pivot shaft, and the positioning fixing part is located at the bottom of the horizontal pivot shaft; The pitch pivot shaft of the mesh assembly is pivoted at the pitch pivot seat of the pivot arm assembly, so that the mesh assembly can pitch swing relative to the pivot arm assembly; The clamping unit includes an upper clamping arm assembly and a lower clamping arm; The upper clamping arm assembly includes an upper shell and a lower shell, and the upper shell and the lower shell are mutually fixed and combined to form an integral body; The upper clamping arm assembly and the lower clamping arm are mutually pivoted, so that the upper clamping arm assembly and the lower clamping arm can be relatively opened and closed; The upper shell of the clamping unit is formed with a horizontal pivot seat; The horizontal pivot shaft of the pivot arm assembly is pivoted at the horizontal pivot seat of the clamping unit, and the positioning fixing part of the pivot arm assembly and the upper shell of the clamping unit have a rotating positioning structure, so that the pivot arm assembly can horizontally rotate and position relative to the clamping unit.

2. The clip fan of claim 1, wherein, The positioning fixing part of the pivot arm assembly is formed with a positioning elastic sheet with a positioning protrusion; The upper shell of the clamping unit is formed with a positioning concave point group on the inner side of the horizontal pivot seat; The positioning protrusion of the positioning fixing part can be clamped into the positioning concave point group of the upper shell to position the pivot arm assembly.

3. The clip fan of claim 1 or 2, wherein, The front pivot arm of the pivot arm assembly is formed with a front fixing column at the horizontal pivot shaft; The rear pivot arm of the pivot arm assembly is formed with a rear fixing column at the horizontal pivot shaft; The positioning fixing part is respectively formed with a front fixing seat and a rear fixing seat; The front fixing column of the front pivot arm is inserted into the front fixing seat of the positioning fixing part, and the rear fixing column of the rear pivot arm is inserted into the rear fixing seat of the positioning fixing part to fix the front pivot arm and the rear pivot arm.

4. The clip fan of claim 1 or 2, wherein, The front pivot arm of the pivot arm assembly is formed with a front buckling groove on the outer side of the pitch pivot seat; The rear pivot arm of the pivot arm assembly is formed with a rear buckling groove on the outer side of the pitch pivot seat; The pivot arm assembly further includes a buckling part, which is respectively buckled at the front buckling groove of the front pivot arm and the rear buckling groove of the rear pivot arm to fix the front pivot arm and the rear pivot arm.

5. The clip fan of claim 1 or 2, wherein, The mesh assembly of the air outlet unit includes a rear mesh member and a front mesh member; The rear mesh member and the front mesh member are mutually buckled to form an integral body to constitute the mesh assembly; The motor is fixed at a rear mesh member of the mesh assembly.

6. The clip fan of claim 1 or 2, wherein, The air outlet unit further comprises a circuit board and a rear cover member; The circuit board is accommodated and fixed outside the mesh assembly, and the circuit board is electrically connected with the motor; The rear cover member is fastened and fixed outside the mesh assembly to cover the circuit board.

7. The clip fan of claim 6, wherein, The clamping unit further comprises a battery. The battery is accommodated in the upper clamping arm assembly, and the battery is electrically connected with the circuit board of the air outlet unit.

8. The clip fan of claim 1 or 2, wherein, In the clamping unit, a plug-in type pivot arm is formed at the lower shell of the upper clamping arm assembly, a clamping type pivot seat is formed at the lower clamping arm, and the plug-in type pivot arm of the upper clamping arm assembly is inserted and pivoted in the clamping type pivot seat of the lower clamping arm.

9. The clip fan of claim 1 or 2, wherein, In the clamping unit, a torsion spring is arranged between the upper clamping arm assembly and the lower clamping arm.

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