CN214404058U

CN214404058U - Clamping assembly and portable fan with same

Info

Publication number: CN214404058U
Application number: CN202120203791.3U
Authority: CN
Inventors: 杨广; 王永炯
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-10-15
Anticipated expiration: 2031-01-25

Abstract

The utility model provides a centre gripping subassembly and have portable fan of this centre gripping subassembly, the centre gripping subassembly include the pedestal and with pedestal sliding connection can be relative gliding holder around the pedestal, the pedestal with the holder passes through the elastic component to be connected, the elastic component is right the holder is applyed and is made its orientation the elastic bias that the pedestal direction removed, the pedestal is formed with the accepting groove, be equipped with the guide in the accepting groove, the guide includes the guide part that extends forward, the holder be equipped with guide part complex guide way, the holder is relative when the pedestal front and back slides, the guide part in slide around the guide way.

Description

Clamping assembly and portable fan with same

Technical Field

The utility model relates to the technical field of daily necessities, in particular to centre gripping subassembly and have portable fan of this centre gripping subassembly.

Background

In hot summer, electric fans, air conditioners and the like are cooling equipment which are most commonly used by people, but the cooling equipment can only be used indoors and cannot be carried about, when people go out or have an open rest, the people can only cool themselves by using fans or natural wind, but the people do not have the natural wind many times and are tired by using the fans. In view of the situation, various portable fans are available on the market, but the existing portable fans are worn on the human body, and in some scenes, for example, when people use computers or watch television, the portable fans are worn on the human body to cause inconvenience.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a clamping assembly for clamping and fixing a portable fan on a display screen.

The utility model discloses still provide a portable fan with above-mentioned centre gripping subassembly.

The utility model provides a clamping assembly, but including pedestal and relative gliding holder around the pedestal, the pedestal with the holder passes through the elastic component and connects, the elastic component is used for right the holder is applyed and is made its orientation the elastic bias that the pedestal direction removed, the pedestal is formed with the accepting groove, be equipped with the guide in the accepting groove, the guide is including the guide part that extends forward, the holder be equipped with guide part complex guide way, the holder is relative when sliding around the pedestal, the guide part in slide around the guide way is interior.

In an embodiment, the guide member further includes a mounting portion, the guide portion is formed by bending and extending forward from the mounting portion, and the mounting portion is fixed on a rear side wall of the accommodating groove to fix the guide member in the accommodating groove.

In an embodiment, the clamping member includes a sliding portion slidably connected in the accommodating groove and a clamping portion connected to a front end of the sliding portion, and a clamping groove for clamping an external component is formed between the seat body and the clamping portion.

In an embodiment, a back end of the sliding portion is provided with a barb portion for hooking the stopping portion after the sliding portion slides forward for a certain distance to prevent the sliding portion from falling out of the accommodating groove.

In one embodiment, a boss protrudes downwards from the bottom of the seat body, and the clamping groove is formed between the front surface of the boss and the rear surface of the clamping part; the guide slot is located at the middle position of the sliding part, and the two elastic pieces are arranged and are respectively located at two sides of the guide slot.

In an embodiment, the front end of the sliding portion is provided with an accommodating cavity, the rear end of the clamping portion is provided with a connecting portion, the connecting portion is located in the accommodating cavity and fixedly connected with the sliding portion, and a yielding groove is formed in the rear surface of the clamping portion corresponding to the guide groove, so that when the clamping member is contracted in the accommodating groove, the front end of the guide member is correspondingly accommodated in the yielding groove.

The utility model also provides a portable fan, reach as above including the body the centre gripping subassembly, this internal fan wheel that is equipped with, the rear end downwardly extending of pedestal is formed with the fixed part, the fixed part is fixed in the body bottom, the lower extreme rotatable coupling of fixed part has the backup pad, the backup pad be used for with the holder cooperation is in order to incite somebody to action the portable fan centre gripping is fixed on an article.

In one embodiment, two pivoting parts are arranged at the lower end of the fixing part at intervals, a first shaft hole is formed in each pivoting part, a rotating part is arranged at the top end of the supporting plate, a second shaft hole is formed in each rotating part, and each rotating part extends between the two pivoting parts and penetrates through the first shaft hole and the second shaft hole through a pin shaft so that the supporting plate can be rotatably connected to the fixing part;

the tail end of the pin shaft is provided with a thread, the pivoting part is provided with an opening corresponding to the tail end of the pin shaft and communicated with the first shaft hole, a polygonal nut is arranged in the opening, the polygonal nut is in threaded connection with the thread, a positioning block is arranged in the opening, and the positioning block clamps the outer side edge of the polygonal nut to prevent the polygonal nut from rotating in the opening, or the inner side edge of the opening is polygonal and is matched with the outer side edge of the polygonal nut to prevent the polygonal nut from rotating in the opening;

the pin shaft is further sleeved with a resetting piece, and the resetting piece is used for applying elastic bias to the supporting plate to enable the supporting plate to rotate forwards.

In an embodiment, the body includes a main body portion and an air outlet portion extending forward relative to the main body portion and communicated with the main body portion, a containing cavity is formed in the main body portion, the fan wheel is arranged in the containing cavity, electrical components on two sides of the main body portion are electrically connected through a wire, an air outlet is formed in the front surface of the air outlet portion, an air duct communicated with the air outlet and the containing cavity is formed in the air outlet portion, air generated by the fan wheel flows through the air duct and is blown out from the air outlet, a wire passing groove for the wire to pass through is formed in a bottom wall of one end, close to the containing cavity, of the air duct, and a fixing member is covered at a notch of the wire passing groove to fix the wire in the wire passing groove.

In an embodiment, the body is integrally long, the air outlet portion is located on the top side of the front end of the main body portion, the fixing portion is fixedly connected to the bottom of the main body portion, the seat body is located at the bottom of the air outlet portion, and the main body portion is provided with an air inlet corresponding to the fan wheel; the supporting plate comprises a first plate body and a second plate body which are assembled and connected front and back.

To sum up, the utility model provides a clamping component and have portable fan of this clamping component, portable fan accessible clamping component centre gripping is fixed and is used at electronic equipment's display screen top for the cooling of blowing for the user before the screen. The centre gripping subassembly includes the pedestal and with pedestal sliding connection's holder, be connected with the elastic component between pedestal and the holder, in order to provide the elasticity restoring force that makes the relative pedestal of holder pull out back resettlement forward, the pedestal is equipped with the accepting groove, be equipped with the guide in the accepting groove, the guide is including the guide part that extends forward, the holder correspondence is equipped with guide part complex guide way, through the direction cooperation of guide part and guide way, increase the flexible sliding stability of holder. The utility model discloses a centre gripping subassembly clamping structure is firm, convenient operation for portable fan that has this centre gripping subassembly can be as required the centre gripping at any time on the display screen or take off, and portable, offers convenience for the user.

Drawings

Fig. 1 is a perspective view of the portable fan of the present invention.

Fig. 2 is an exploded view of the portable fan of fig. 1.

Fig. 3 is a perspective cross-sectional view of the body portion of the portable fan of fig. 1.

Fig. 4 is a perspective view of the clamping assembly of fig. 1.

Fig. 5 is a schematic view of the clamping assembly of fig. 4 in a preliminary exploded view.

Fig. 6 is a further exploded view of the clamping assembly of fig. 4.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1-6, the present invention provides a portable fan 10, the portable fan 10 includes a body 12, a blower disposed in the body 12, and a clamping assembly 13 fixedly connected to the body 12, the portable fan 10 can be clamped and fixed on an object, such as a display screen of an electronic device, the portable fan 10 can be clamped and fixed on the top of the display screen of the electronic device by the clamping assembly 13, so as to blow air for cooling a user in front of the display screen, wherein the electronic device is an electronic device such as a computer or a television.

In the illustrated embodiment, the body 12 is strip-shaped, so that the air outlet is also strip-shaped, and the air outlet range is enlarged. Specifically, the main body 12 includes a main body 14 and an air outlet 16 extending forward from the main body 14 and communicating with the main body 14. Preferably, the air outlet portion 16 and the main body portion 14 are both long, and the air outlet portion 16 is located on the top side of the front end of the main body portion 14, see fig. 3, and the two are connected in a shape similar to a whistle when viewed from the side.

The fan is arranged in the main body part 14, specifically, the fan comprises a fan wheel 18 and a motor 20, the fan wheel 18 is cylindrical, and the motor 20 is in driving connection with the fan wheel 18 to drive the fan wheel 18 to rotate. Be equipped with in the main part 14 and accept chamber 22 and installation cavity, fan wheel 18 sets up in accepting chamber 22, and motor 20 sets up in the installation cavity, is equipped with the soft cushion between the lateral wall of motor 20 and accepting chamber 22, can reduce motor 20's vibrations, and then the noise reduction. Preferably, the distance between the front side and the rear side of the impeller 18 and the accommodating cavity 22 is smaller than the distance between the upper side and the lower side of the impeller 18 and the accommodating cavity 22, so that air can be smoothly discharged when the impeller 18 rotates, and the air discharging noise is reduced.

Preferably, the housing cavity 22 and the mounting cavity are spaced apart along the length direction (i.e., the left-right direction) of the main body 14, and the soft rubber pad is located between the end surface of the motor 20 facing the fan wheel 18 and the side wall of the housing cavity 22. In the illustrated embodiment, two partition plates 28 are respectively disposed at two end sides in the main body portion 14, the two partition plates 28 divide the cavity in the main body portion 14 into an accommodating cavity 22 and a mounting cavity and an accommodating cavity 30 respectively disposed at two sides of the accommodating cavity 22, and the soft rubber pad is disposed between the motor 20 and the partition plate 28 at a side of the accommodating cavity 22 close to the motor 20.

In the illustrated embodiment, a driving hole is formed at an end of the fan wheel 18 close to the motor 20, a driving shaft of the motor 20 passes through the corresponding partition 28 and is connected to the driving hole in a driving manner, a rotating shaft is formed at an end of the fan wheel 18 far from the motor 20, and a shaft hole is formed in the corresponding partition 28 and is rotatably connected to the shaft hole, so that the fan wheel 18 can be driven by the motor 20 to rotate in the accommodating cavity 22 to generate wind.

An air outlet 34 is arranged on the front surface of the air outlet part 16, an air duct 36 communicating the air outlet 34 and the accommodating cavity 22 is formed in the air outlet part 16, and air generated by the operation of the fan wheel 18 is blown out of the air outlet 34 through the air duct 36. The body 12 is provided with an air inlet 38 corresponding to the impeller 18 for the impeller 18 to suck air, and the air inlet 38 may be provided at the bottom of the main body 14 corresponding to the impeller 18. Preferably, the air guide member 40 is rotatably disposed in the air outlet 34, the air guide member 40 is shaped like a long strip corresponding to the air outlet 34, and the blades of the air guide member 40 are transversely disposed, so that the air guide member 40 can rotate up and down, and a user can adjust the air outlet direction by pulling the air guide member 40. Specifically, two ends of the air guide 40 are respectively provided with a rotating shaft, and two opposite side walls of the air outlet 34 are correspondingly provided with shaft holes, and the rotating shafts are rotatably connected in the shaft holes. The rotary joint of the rotating shaft and the side wall of the air outlet 34 is also provided with a damping structure for increasing the rotary damping of the air guide 40 and preventing the air guide 40 from rotating under the condition of non-external force.

The portable fan 10 further includes a circuit board and a key sheet (not shown), both of which are disposed in the accommodating chamber 30. The body 12 is further provided with a switch button and a power interface, the switch button is used for user operation, the key board is electrically connected with the circuit board, the switch button is connected with the key board and used for controlling the start and stop of the motor 20, and the switch button is arranged on the end face of the air outlet portion 16, for example. Preferably, since the portable fan 10 is hung on the display screen, the switch keys may be touch keys, and the user can trigger the switch keys by slightly touching the switch keys, which is convenient for operation. A power interface is electrically connected to the circuit board, the power interface is disposed at the rear side of the main body portion 14, and the power interface is used for connecting an external power source, such as a data line, to the display screen or an electronic device interface connected to the display screen, so as to supply power to the portable fan 10.

In some embodiments, a battery may also be disposed within the body 12, such that the portable fan 10 may be self-powered and may be connected to an external power source via a power interface to recharge the battery.

Preferably, a wire passing groove 52 extending along the length direction (i.e. the left-right direction) of the air outlet portion 16 is disposed on the bottom wall of the air duct 36 near one end of the housing cavity 22, and electrical components on both sides of the main body portion 14 are electrically connected through a wire, for example, the wire connecting the motor 20 and the circuit board 44 can be fixed in the wire passing groove 52, so as to avoid wire winding.

Furthermore, the notch of the wire passing groove 52 is covered with the fixing member 32 to fix and place the wires in the wire passing groove 52, so as to fix the wires in the wire passing groove 52. The fixing member 32 can be fixedly connected to the air outlet portion 16, for example, a fixing plate is disposed on a side of the fixing member 32 facing the air duct 36, and a screw hole is disposed on the fixing plate and corresponds to the screw hole on the inner wall of the air outlet portion 16, so that the fixing member 32 can be locked on the air outlet portion 16 by a screw.

The clamping assembly 13 is fixedly connected to the main body 14 and the middle position of the bottom of the air outlet portion 16, so that the portable fan 10 can be clamped and fixed on the top of the display screen through the clamping assembly 13, and air is blown to the front area of the display screen through the air outlet 34 located at the front end.

Referring to fig. 4-6, the clamping assembly 13 includes a base 42 and a clamping member 44 slidably connected to the base 42 and capable of sliding back and forth relative to the base 42, the base 42 is connected to the clamping member 44 through an elastic member 46, the elastic member 46 is, for example, a spring, and is used for applying an elastic bias to the clamping member 44 to move toward the base 42, that is, the clamping member 44 can be elastically restored back and forth after sliding forward and pulling out relative to the base 42. The front end of seat body 42 is provided with an accommodating groove 48 penetrating through the top of seat body 42, a guide 50 is arranged in accommodating groove 48, guide 50 comprises a guide part 54 extending forwards, and clamping member 44 is provided with a guide groove 56 matched with guide part 54, i.e. when clamping member 44 slides forwards and backwards relative to seat body 42, guide part 54 slides forwards and backwards in guide groove 56, clamping member 44 can slide telescopically relative to seat body 42 in the front and back direction through the guide matching of guide part 54 and guide groove 56, and the telescopic sliding stability of clamping member 44 is improved.

Preferably, the cross section of the guide groove 56 is a closed annular structure, so that the periphery of the guide part 54 is accommodated in the guide groove 56, thereby preventing the clamping member 44 from shaking in the process of telescopic sliding and further enhancing the stability.

Further, the guide 50 further includes a mounting portion 58, the mounting portion 58 is a plate, the guide 54 is formed by bending and integrally extending forward from a top end of the mounting portion 58, the mounting portion 58 is fixed to a rear side wall of the receiving groove 48, for example, the mounting portion 58 is fixed to the rear side wall of the receiving groove 48 by screws, so that the guide 50 is fixed in the receiving groove 48.

In the illustrated embodiment, the clamping member 44 includes a sliding portion 60 slidably coupled within the receiving slot 48 and a clamping portion 62 coupled to a front end of the sliding portion 60, the guide slot 56 is disposed at a rear end of the sliding portion 60 corresponding to the guide portion 54, e.g., the guide 50 is fixed at an intermediate position within the receiving slot 48, and the guide slot 56 is disposed at an intermediate position at a rear end of the sliding portion 60. The bottom end of the clamping portion 62 protrudes from the bottom surface of the sliding portion 60, so that a clamping groove 64 for clamping an external component, such as the top of a display screen, is formed between the base 42 and the clamping portion 62. Further, a boss 66 protrudes downward from the bottom of the seat body 42, and a clamping groove 64 is formed between the front surface of the boss 66 and the rear surface of the clamping portion 62. Alternatively, soft rubber pads may be provided on the front surface of the boss 66 and the rear surface of the clamping portion 62 to avoid scratching the display screen surface and enhance clamping stability. The thickness of the holding groove 64 can be changed by operating the holding member 44 to slide back and forth relative to the base 42, so that the holding assembly 13 can be adapted to display screens with different thicknesses, and the portable fan 10 can be conveniently taken down from the top of the display screen and installed.

Further, the sliding portion 60 has a receiving cavity 68 at the front end thereof, and the clamping portion 62 has a connecting portion 70 at the rear end thereof, wherein the connecting portion 70 extends into the receiving cavity 68 and is fixedly connected to the sliding portion 60, for example, by screws. The rear surface of the holding portion 62 is provided with a relief groove 72 at a position corresponding to the guide groove 56, so that when the sliding portion 60 is retracted into the receiving groove 48, the front end of the guide portion 54 is correspondingly received in the relief groove 72.

The elastic members 46 are connected between the seat body 42 and the clamping member 44, specifically, two elastic members 46 are provided, the two elastic members 46 are respectively provided at two sides of the guiding member 50, first positioning posts 74 are respectively provided at two sides of the guiding member 50 on a side wall of the receiving groove 48 of the seat body 42, two second positioning posts 76 are correspondingly provided at a rear end of the clamping portion 62, two ends of the two elastic members 46 are respectively fixedly connected to the corresponding first positioning posts 74 and second positioning posts 76, so as to apply an elastic bias to the clamping member 44 to move toward the seat body 42, and the elastic bias provides a clamping pre-tightening force.

Preferably, the rear end of the sliding part 60 is provided with a barb part 78 for hooking the stopper 80 after the sliding part 60 slides forward for a certain distance, so as to limit the position of the clamping piece 44 and prevent it from sliding forward too much to be separated from the seat body 42. In the illustrated embodiment, the barb 78 is disposed at the top of the rear end of the sliding portion 60, and the stopper 80 is formed at the top side of the receiving groove 48, for example, at the bottom of the air outlet portion 16. In other embodiments, the stop 80 can be disposed on the sidewall of the receiving slot 48; the barb 78 may be provided on the upper or lower side of the rear end of the sliding portion 60, and correspondingly, the stopper 80 may be provided on the upper and lower side walls of the accommodating groove 48.

In the illustrated embodiment, the rear end of the seat body 42 extends downward to form a fixing portion 82, and the fixing portion 82 is fixed to the bottom of the main body 12, for example, fixed to the front side of the bottom of the main body 14 by screws, so that the seat body 42 is located at the bottom of the air outlet portion 16. A support plate 84 is rotatably coupled to a lower end of the fixing portion 82, and the support plate 84 may be configured to be supported on a rear surface of the display screen to increase fixing stability of the portable fan 10. The support plate 84 and the retaining member 44 are spaced apart from one another to cooperate to securely retain the portable fan 10 in a top position on a display screen. And the support plate 84 can rotate back and forth relative to the fixed portion 82 to facilitate the user to remove or install the portable fan 10 from the display screen.

Preferably, the fixing portion 82 is designed to have an arc shape matching with the arc-shaped rear surface of the display screen, so as to further enhance the fixing stability of the portable fan 10, and the arc shape is adapted to the arc-shaped bottom surface of the main body portion 14, so that the fixing portion 82 is closely fixed to the arc-shaped bottom surface of the main body portion 14. In the illustrated embodiment, the air inlets 38 are distributed on the bottom region of the main body portion 14, and the fixing portion 82 is provided with a plurality of through holes 86 corresponding to the air inlets 38, so as to prevent the air inlets from being affected by the arrangement of the fixing portion 82. The air inlet 38 includes a plurality of air inlet holes arranged at intervals along the length direction of the main body 14, and the air inlet holes and the through holes 86 are strip-shaped holes extending along the circumferential direction of the main body 14 to adapt to the shape of the fan wheel 18, so as to enhance the air inlet efficiency.

The supporting plate 84 is rotatably connected to the bottom end of the fixing portion 82. Specifically, the support plate 84 is rotatably connected to the bottom end of the fixing portion 82 by a pin 88, and one end of the pin 88 is provided with a thread 90 and the other end is provided with a nut 92. Two pivoting parts 94 are arranged at the bottom end of the fixing part 82 at intervals, first shaft holes 95 for the pin shafts 88 to penetrate through are formed in the pivoting parts 94, mounting holes matched with the screw caps 92 are formed in the outer end wall of one pivoting part 94, the mounting holes are communicated with the corresponding first shaft holes 95, an opening hole 96 for the end, provided with the threads 90, of the pin shaft 88 to penetrate through is formed in the outer end wall of the other pivoting part 94, the opening hole 96 is communicated with the corresponding first shaft hole 95, and the diameter of the opening hole 96 is larger than that of the first shaft hole 95.

Preferably, a polygonal nut 100 and a cap 102 are disposed in the opening 96, the polygonal nut 100 is screwed onto the thread 90, a positioning block 98 is further disposed in the opening 96, the positioning block 98 holds the outer side of the polygonal nut 100 to prevent the polygonal nut 100 and the pin 88 from rotating in the opening 96, and the cap 102 covers the opening of the opening 96 to shield the polygonal nut 100 and the pin 88 from being exposed to affect the appearance of the product. In other embodiments, the inner side of the opening 96 may be polygonal to fit the outer side of the polygonal nut 100 to prevent the polygonal nut 100 from rotating in the opening 96.

The top end of the supporting plate 84 is provided with a rotating part 104, the rotating part 104 is provided with a second shaft hole 106 for the pin shaft 88 to penetrate through, during installation, the rotating part 104 extends into the space between the two pivoting parts 94, the pin shaft 88 sequentially penetrates through the installation hole, one of the first shaft holes 95, the second shaft hole 106, the other of the first shaft holes 95 and the opening hole 96, then the polygonal nut 100 is screwed to be in threaded connection with the thread 90 of the pin shaft 88, the pin shaft 88 is fixed, and finally the cap 102 is covered, so that the supporting plate 84 can rotate back and forth relative to the fixing part 82.

Preferably, the pin 88 is further sleeved with a reset member 108, the reset member 108 is, for example, a torsion spring, and the reset member 108 is used for applying an elastic bias to the supporting plate 84 to make it rotate forward. Specifically, the torsion spring is located in the second shaft hole 106 of the rotating portion 104 of the support plate 84, the main body portion of the torsion spring is sleeved on the pin shaft 88, the upper side and the lower side of the torsion spring respectively extend to abut against ends, the abutting end on the upper side of the torsion spring penetrates through the side wall of the rotating portion 104 to abut against the fixing portion 82, and the abutting end on the lower side of the torsion spring abuts against the inner wall of the support plate 84. When the support plate 84 rotates backward, the elastic bias of the torsion spring is overcome, and the elastic bias of the torsion spring to the support plate 84 forward can provide a pre-tightening force for the support plate 84 to abut against or clamp the rear surface of the display screen, so as to further improve the support stability.

Preferably, a soft rubber pad may be provided on the support surface of the support plate 84 to prevent the portable fan 10 from scratching the display screen during installation and removal.

Optionally, the supporting plate 84 includes a first plate 84a and a second plate 84b assembled and connected in a front-back manner, and the two plates can be detachably fixed by a snap or by a screw, which is convenient for disassembly and assembly.

Optionally, the body 12 includes a face shell 12a and a bottom shell 12b that are connected to each other, and the face shell 12a and the bottom shell 12b are arranged along the up-down direction, and may be detachably fixed between the two through a buckle or through a screw fixation or the like, and are conveniently used for disassembly and assembly.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A clamping assembly is characterized by comprising a base body and a clamping piece capable of sliding back and forth relative to the base body, wherein the base body is connected with the clamping piece through an elastic piece, the elastic piece is used for applying elastic bias to the clamping piece to enable the clamping piece to move towards the base body, an accommodating groove is formed in the base body, a guide piece is arranged in the accommodating groove and comprises a guide portion extending forwards, the clamping piece is provided with a guide groove matched with the guide portion, and when the clamping piece slides back and forth relative to the base body, the guide portion slides back and forth in the guide groove.

2. The clamping assembly of claim 1, wherein said guide further includes a mounting portion, said guide portion being formed by bending and extending forward from said mounting portion, said mounting portion being secured to a rear sidewall of said receiving channel to secure said guide within said receiving channel.

3. The clamping assembly of claim 1 or 2, wherein the clamping member comprises a sliding portion slidably connected in the receiving groove and a clamping portion connected to a front end of the sliding portion, and a clamping groove for clamping an external member is formed between the seat body and the clamping portion.

4. The clamping assembly of claim 3, wherein the rear end of the sliding portion is provided with a barb portion for hooking on the stopping portion after the sliding portion slides forward for a certain distance to prevent the sliding portion from falling out of the receiving slot.

5. The clamping assembly of claim 3, wherein a boss protrudes downwardly from the bottom of said body, said clamping slot being defined between a front surface of said boss and a rear surface of said clamping portion; the guide slot is located at the middle position of the sliding part, and the two elastic pieces are arranged and are respectively located at two sides of the guide slot.

6. The clamping assembly of claim 3, wherein the front end of the sliding portion has a receiving cavity, the rear end of the clamping portion has a connecting portion, the connecting portion is located in the receiving cavity and is fixedly connected to the sliding portion, and a recess is formed on the rear surface of the clamping portion corresponding to the guide groove, so that when the clamping member is retracted into the receiving cavity, the front end of the guiding member is correspondingly received in the recess.

7. A portable fan, comprising a body and the clamping assembly as claimed in any one of claims 2 to 6, wherein the body is provided with a fan wheel, the rear end of the base extends downwards to form a fixing part, the fixing part is fixed at the bottom of the body, the lower end of the fixing part is rotatably connected with a support plate, and the support plate is used for cooperating with the clamping member to clamp and fix the portable fan on an object.

8. The portable fan as claimed in claim 7, wherein the fixed portion has two spaced apart pivot portions, the pivot portions having first shaft holes, the support plate has a rotating portion at a top end thereof, the rotating portion having second shaft holes, the rotating portion extending between the two pivot portions and being rotatably connected to the fixed portion by a pin passing through the first shaft holes and the second shaft holes;

9. The portable fan as claimed in claim 7, wherein the body includes a main body portion and an air outlet portion extending forward relative to the main body portion and communicating with the main body portion, the main body portion is provided with a receiving cavity, the impeller is disposed in the receiving cavity, electrical components on two sides of the main body portion are electrically connected by a wire, an air outlet is disposed on a front surface of the air outlet portion, an air duct communicating the air outlet with the receiving cavity is formed in the air outlet portion, air generated by the impeller is blown out from the air outlet through the air duct, a wire passing groove for the wire to pass through is disposed on a bottom wall of the air duct near one end of the receiving cavity, and a fixing member is disposed at a notch of the wire passing groove to fix the wire in the wire passing groove.

10. The portable fan as claimed in claim 7, wherein the main body is generally elongated, the air outlet portion is located at a top side of a front end of the main body, the fixing portion is fixedly connected to a bottom of the main body, the seat body is located at the bottom of the air outlet portion, and an air inlet is formed in the main body corresponding to the impeller; the supporting plate comprises a first plate body and a second plate body which are assembled and connected front and back.