CN216665997U

CN216665997U - Pitching adjusting structure of floor fan

Info

Publication number: CN216665997U
Application number: CN202120877318.3U
Authority: CN
Inventors: 管保云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-06-03
Anticipated expiration: 2031-04-26

Abstract

The utility model provides a pitching adjusting structure of a floor fan, and belongs to the technical field of daily fans. It has solved the every single move of current floor fan and has adjusted structure gear and probably produce the dislocation and adjust the technical problem that feels light heavily differs. This floor fan includes fan aircraft nose and stand, the fan aircraft nose with the upper end of stand is articulated and can be relative this stand swing back and forth, the overhead friction surface one that has of fan aircraft nose, the upper end of stand have along left right direction with friction surface one just right friction surface two, friction surface one with the top is leaned on between two friction surfaces and is provided with the annular elastic ring of arranging around fan aircraft nose articulated shaft axis, this friction surface one is relative when fan aircraft nose swing back and forth friction surface two rotates along the fore-and-aft direction. The utility model has stable adjustment and comfortable hand feeling.

Description

Pitching adjusting structure of floor fan

Technical Field

The utility model belongs to the technical field of daily fans and relates to a pitching adjusting structure of a floor fan.

Background

The electric fan is a household appliance which uses a motor to drive fan blades to rotate so as to accelerate the circulation of air, is mainly used for cooling and relieving summer heat and circulating air, and is widely applied to places such as families, offices, shops, hospitals, hotels and the like. At present, the head assembly of most electric fans on the market has a pitching adjusting function, and a plurality of structures capable of achieving the function appear.

For example, chinese patent with publication No. CN203098339U discloses an adjusting structure for a head assembly of an electric fan, which includes a head assembly, an adjusting box, an adjusting bracket and a base, wherein a head assembly shaft at a lower end of the head assembly is rotatably inserted into a head assembly shaft hole of the adjusting box, and the adjusting box and the head assembly connected thereto are mounted at an upper end of the base in a pitching adjustable manner.

Above-mentioned structure can realize every single move and adjust and be convenient for the dismouting, still has the weak point: the fan head is subjected to working condition vibration and gravity after being subjected to pitching adjustment, the left and right sides of the fan head can be dislocated at a gear with small constraint force, and the adjustment hand feeling is different.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a pitching adjusting structure of a floor fan, and the technical problems to be solved by the utility model are as follows: the regulation stability and the operation hand feeling are improved.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a structure is adjusted in every single move of floor fan, floor fan include fan aircraft nose and stand, the fan aircraft nose with the articulated and relative this stand seesaw of ability in upper end of stand, its characterized in that, the overhead friction surface that has of fan aircraft nose, the upper end of stand have along left right direction with friction surface one just right friction surface two, friction surface one with the top is leaned on between two friction surfaces and is provided with the annular elastic ring of arranging around fan aircraft nose articulated shaft core line, this friction surface one is relative when the fan aircraft nose seesaw friction surface two rotates along the fore-and-aft direction.

The fan aircraft nose is the assembly of parts such as floor fan motor, flabellum and casing, and the stand is used for making to be equipped with the fan aircraft nose and make the fan aircraft nose can keep carrying out work at certain high position, and the fan aircraft nose is articulated with the upper end of stand, makes the fan aircraft nose can adjust the angle of pitching around the stand relatively, is convenient for satisfy user's different user demands. The fan head is provided with the first friction surface, the upper end of the upright post is provided with the second friction surface which is right opposite to the first friction surface along the left-right direction, and the annular elastic ring which is arranged around the hinged axial lead of the fan head is arranged between the first friction surface and the second friction surface in a propping and leaning manner, so that the first friction surface can rotate relative to the second friction surface along the front-back direction when the fan head swings back and forth, both ends of the annular elastic ring can be respectively pressed with the first friction surface and the second friction surface after the annular elastic ring is elastically pressed, the friction coefficient between the annular elastic ring and the first friction surface and the second friction surface is larger due to the material characteristics of the annular elastic ring, the static friction value to be overcome by relative rotation is effectively increased, the fan head is not easy to slip and dislocate under the influence of vibration and gravity after a user adjusts the fan head to a proper angle state, the hand feeling is adjusted uniformly, and the use stability is improved.

In the pitching adjusting structure of the floor fan, the first friction surface or the second friction surface is provided with an annular positioning groove, and the annular elastic ring is embedded in the positioning groove. The annular positioning groove is formed in the friction surface I or the friction surface II, so that the annular elastic ring is embedded in the positioning groove, the position of the annular elastic ring cannot deviate along with the relative rotation of the friction surface I and the friction surface II, and the hand feeling uniformity and the stability and the reliability of the damping effect are further ensured.

In the structure is adjusted in every single move of above-mentioned floor fan, the upper end of stand has the breach groove, the fan is overhead to have the connecting seat, the connecting seat is inserted and is located the inside wall luffing motion in breach groove and this breach groove relatively, and one side of direction about this connecting seat does friction surface one, one side of direction about the breach groove does friction surface two, the opposite side of connecting seat has the blind hole, be equipped with elastic component and ball in the blind hole, the one end of elastic component with the bottom surface top of blind hole is leaned on, the other end of this elastic component with the ball supports and leans on, the opposite side in breach groove inlays and is equipped with the regulation cardboard, adjust have on the cardboard a plurality of can with the spacing regulation hole of ball cooperation, a plurality of the regulation hole is arranged around the oscillating axis lead of connecting seat. Through setting up the breach groove in the upper end of stand, set up the connecting seat on the fan aircraft nose, make the connecting seat insert and locate the breach inslot, make one side of connecting seat left and right directions be friction surface one, one side of breach groove left and right directions is friction surface two, the support of breach groove both sides can be obtained when articulated to the both sides of connecting seat like this, good stability, in addition, set up the blind hole at the opposite side of connecting seat, be equipped with elastic component and ball in the blind hole, make one end of elastic component lean on with the bottom surface of blind hole, the other end supports with the ball, inlay the regulation cardboard in the opposite side of breach groove simultaneously, set up a plurality of regulation holes that can cooperate spacing with the ball on the regulation cardboard, a plurality of regulation holes are arranged around the oscillating axis lead of connecting seat, the ball can deviate from respectively and block into different regulation holes when the connecting seat drives whole fan aircraft nose swing like this, thereby form a plurality of stable regulation gears, the stability is guaranteed when satisfying the demand, and independent regulation cardboard often slides with ball relative to each other and is convenient for change the maintenance.

In the pitching adjusting structure of the floor fan, the adjusting holes are sequentially communicated in a joint mode along the arrangement direction. Through setting up a plurality of regulation holes along arranging the direction joint intercommunication in proper order, the ball is more smooth and easy convenient when getting into the regulation hole of next gear like this, does benefit to simultaneously to set up more gears and supplies the customer to select.

In the pitching adjusting structure of the floor fan, the blind holes, the elastic pieces and the balls are provided with a plurality of blind holes and arranged around the swinging axis of the connecting seat. Through setting up blind hole, elastic component and ball have a plurality of and arrange around the oscillating axle lead of connecting seat, a plurality of balls cooperate with the regulation hole simultaneously like this, the positional stability of multiplicable gear control.

In the every single move of above-mentioned floor fan adjusts the structure, the inside wall in breach groove has the stopper, the spout that is the bar is seted up on the connecting seat surface, the stopper is located the spout, works as fan aircraft nose oscillating back and forth enables when the maximum angle the stopper supports with the tip lateral wall of spout spacing respectively and leans on. Set up the stopper through the inside wall at the breach groove, set up the spout on the connecting seat, make the stopper be located the spout, enable the stopper when fan aircraft nose fore-and-aft swing to the maximum angle and lean on with the inner wall at spout both ends is spacing respectively, the maximum every single move angle of fan aircraft nose is injectd to the spout like this, avoids surpassing gear control range and causes the regulation inefficacy.

In the pitching adjusting structure of the floor fan, the sliding groove is located on the first friction surface, the bottom of the sliding groove is open, the limiting block is located in the notch groove, and the sliding groove is arranged around the swinging axis of the connecting seat. The sliding groove is arranged on the first friction surface and the bottom of the sliding groove is open, so that the sliding groove is arranged around the axis of the swinging shaft of the connecting seat, the limiting block can be directly matched with the sliding groove when the mounting seat is inserted into the notch groove from the upper side, and smooth rotation is guaranteed.

In the pitching adjusting structure of the floor fan, the elastic part is a pressure spring or a damping rod. By arranging the elastic piece as a pressure spring or a damping rod, stable pre-tightening of the ball can be ensured, and the production cost is saved.

In the pitching adjusting structure of the floor fan, the adjusting clamping plate is a metal piece. Through setting up the regulation cardboard for the metalwork, multiplicable wearability and life like this.

Compared with the prior art, the utility model has the following advantages:

the pitching adjusting structure of the floor fan is characterized in that a first friction surface is arranged on a fan head, a second friction surface opposite to the first friction surface in the left-right direction is arranged at the upper end of an upright post, an annular elastic ring arranged around the hinging axial lead of the fan head is arranged between the first friction surface and the second friction surface in a propping and leaning way, so that the first friction surface can rotate along the front-back direction relative to the second friction surface when the fan head swings back and forth, thus, the two ends of the annular elastic ring can be respectively pressed against the first friction surface and the second friction surface after the annular elastic ring is elastically pressed, the material property of the annular elastic ring enables the friction coefficient between the annular elastic ring and the first friction surface and the second friction surface to be larger, therefore, the static friction value to be overcome by relative rotation is effectively increased, the fan head is not easy to slip and dislocate under the influence of vibration and gravity after a user adjusts the fan head to a proper angle state, the hand feeling is adjusted to be uniform, and the use stability is improved.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a schematic cross-sectional structure diagram of the present embodiment.

Fig. 3 is a schematic view of a partial explosion structure of the present embodiment.

Fig. 4 is a schematic view of a partial explosion structure at another angle in the present embodiment.

Fig. 5 is a schematic partial sectional view of the present embodiment.

In the figure, 1, a fan head; 11. a first friction surface; 12. a connecting seat; 121. blind holes; 122. a chute;

2. a column; 21. a second friction surface; 22. a notch groove; 23. a limiting block;

3. an annular elastic ring; 4. positioning a groove; 5. an elastic member; 6. a ball bearing;

7. adjusting the clamping plate; 71. and adjusting the hole.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, a pitching adjusting structure of a floor fan comprises a fan head 1 and a stand column 2, wherein the fan head 1 is hinged with the upper end of the stand column 2 and can swing back and forth relative to the stand column 2, a friction surface I11 is arranged on the fan head 1, a friction surface II 21 opposite to the friction surface I11 in the left and right directions is arranged at the upper end of the stand column 2, an annular elastic ring 3 arranged around the hinged axis of the fan head 1 is arranged between the friction surface I11 and the friction surface II 21 in a propping manner, and the friction surface I11 rotates back and forth relative to the friction surface II 21 when the fan head 1 swings back and forth. Fan aircraft nose 1 is the assembly of parts such as floor fan motor, flabellum and casing, stand 2 be used for making with the assembly of fan aircraft nose 1 to work in making fan aircraft nose 1 can keep at certain high position, and fan aircraft nose 1 is articulated with the upper end of stand 2, makes fan aircraft nose 1 can adjust the angle of every single move around relative to stand 2, is convenient for satisfy user's different user demands. By arranging the friction surface I11 on the fan head 1 and arranging the friction surface II 21 which is opposite to the friction surface I11 along the left-right direction at the upper end of the upright post 2, an annular elastic ring 3 arranged around the hinging axial lead of the fan head 1 is arranged between the friction surface I11 and the friction surface II 21 in an abutting way, so that the friction surface I11 can rotate in the front-back direction relative to the friction surface II 21 when the fan head 1 swings back and forth, thus, the two ends of the annular elastic ring 3 can be respectively pressed against the friction surface I11 and the friction surface II 21 after the annular elastic ring is elastically pressed, the material property of the annular elastic ring 3 ensures that the friction coefficient between the annular elastic ring and the friction surface I11 and the friction surface II 21 is larger, thereby effectively increase the static friction value that relative rotation will overcome, fan aircraft nose 1 is difficult for receiving vibration and gravity influence and slipping dislocation after the user adjusts suitable angle state, and adjusts and feels evenly, improves stability in use. Furthermore, the friction surface I11 is provided with an annular positioning groove 4, and the annular elastic ring 3 is embedded in the positioning groove 4. Through set up annular constant head tank 4 on friction surface one 11, make annular elastic ring 3 inlay locate in constant head tank 4, the position of annular elastic ring 3 can not appear squinting along with friction surface one 11 and then friction surface two 21 relative rotation like this, further guarantees to feel even and damping action's reliable and stable. The upper end of stand 2 has breach groove 22, fan aircraft nose 1 is last to have connecting seat 12, connecting seat 12 inserts and locates in breach groove 22 and can swing back and forth relative to the inside wall of this breach groove 22, one side of the left and right direction of this connecting seat 12 is friction surface one 11, one side of the left and right direction of breach groove 22 is friction surface two 21, the opposite side of connecting seat 12 has blind hole 121, be equipped with elastic component 5 and ball 6 in the blind hole 121, the one end of elastic component 5 is leaned on with the bottom surface top of blind hole 121, the other end of this elastic component 5 is leaned on with ball 6, the opposite side of breach groove 22 is inlayed and is equipped with regulation cardboard 7, it can cooperate spacing regulation hole 7 with ball 6 to have on the regulation cardboard 7, seven regulation holes 7 are arranged around the oscillating axis core line of connecting seat 12. The upper end of the upright post 2 is provided with the notch groove 22, the fan head 1 is provided with the connecting seat 12, the connecting seat 12 is inserted into the notch groove 22, one side surface of the connecting seat 12 in the left-right direction is a friction surface I11, one side surface of the notch groove 22 in the left-right direction is a friction surface II 21, so that two sides of the connecting seat 12 can be supported by two sides of the notch groove 22 when being hinged, the stability is good, in addition, the other side of the connecting seat 12 is provided with a blind hole 121, an elastic piece 5 and a ball 6 are arranged in the blind hole 121, one end of the elastic piece 5 is abutted against the bottom surface of the blind hole 121, the other end of the elastic piece 5 is abutted against the ball 6, meanwhile, an adjusting clamping plate 7 is embedded in the other side surface of the notch groove 22, the adjusting clamping plate 7 is provided with a plurality of adjusting holes 7 which can be matched with the ball 6 for limiting, seven adjusting holes 7 are arranged around the swinging axis of the connecting seat 12, so that the ball 6 can be respectively clamped into different adjusting holes 7 when the connecting seat 12 drives the whole fan head 1 to swing, thereby form a plurality of stable regulation gears, guarantee stability when satisfying the demand, and independent regulation cardboard 7 often is convenient for change the maintenance with ball 6 relative slip. The plurality of adjusting holes 7 are sequentially communicated in an engaging manner along the arrangement direction. Through setting up a plurality of regulation holes 7 along arranging the direction joint intercommunication in proper order, ball 6 is more smooth and easy convenient when getting into the regulation hole 7 of next gear like this, does benefit to simultaneously to set up more gears and supplies the customer to select. The blind hole 121, the elastic member 5 and the ball 6 are two and arranged around the swing axis of the connecting seat 12. Through setting up blind hole 121, elastic component 5 and ball 6 and have two and arrange around the swing axial lead of connecting seat 12, a plurality of balls 6 cooperate with regulation hole 7 simultaneously like this, the positional stability of multiplicable gear control. The inside wall in breach groove 22 has stopper 23, and connecting seat 12 surface has been seted up and has been the spout 122 of bar, and stopper 23 is located spout 122, enables stopper 23 respectively with the spacing support of the tip lateral wall of spout 122 when fan aircraft nose 1 luffing motion to the maximum angle. Set up stopper 23 through the inside wall at breach groove 22, set up spout 122 on connecting seat 12, make stopper 23 be located spout 122, enable stopper 23 respectively with the spacing support of the inner wall at spout 122 both ends when fan aircraft nose 1 luffing motion to the maximum angle and lean on, the biggest every single move angle of fan aircraft nose 1 is injectd to spout 122 like this, avoids surpassing gear control range and causes the regulation to become invalid. Preferably, the sliding groove 122 is located on the first friction surface 11 and has an open bottom, the stopper 23 is located in the notch groove 22, and the sliding groove 122 is disposed around the axis of the connecting base 12. The sliding groove 122 is arranged on the friction surface I11, the bottom of the sliding groove is open, the sliding groove 122 is arranged around the swinging axis of the connecting seat 12, and therefore the limiting block 23 can be directly matched with the sliding groove 122 when the mounting seat is inserted into the notch groove 22 from the upper side, and smooth rotation is guaranteed. The elastic member 5 is a compression spring. By arranging the elastic piece 5 as a pressure spring, stable pre-tightening of the ball 6 can be ensured and the production cost can be saved. The adjusting clamping plate 7 is a metal iron piece. Through setting up regulation cardboard 7 and be metal iron spare, multiplicable wearability and life like this.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a structure is adjusted in every single move of floor fan, floor fan include fan aircraft nose (1) and stand (2), fan aircraft nose (1) with the upper end of stand (2) is articulated and can be relative this stand (2) fore-and-aft swing, a serial communication port, friction surface (11) have on fan aircraft nose (1), the upper end of stand (2) have along left right direction with friction surface (11) just right friction surface two (21), friction surface (11) with the top is leaned on between friction surface two (21) and is provided with annular elastic ring (3) of arranging around fan aircraft nose (1) articulated axial lead, this friction surface (11) is relative during fan aircraft nose (1) fore-and-aft swing friction surface two (21) are along the fore-and-aft direction rotation.

2. The pitching adjusting structure of a floor fan as claimed in claim 1, wherein the first friction surface (11) or the second friction surface (21) has an annular positioning groove (4), and the annular elastic ring (3) is embedded in the positioning groove (4).

3. The pitching adjusting structure of a floor fan as claimed in claim 1 or 2, wherein the upper end of the upright post (2) is provided with a notch groove (22), the fan head (1) is provided with a connecting seat (12), the connecting seat (12) is inserted into the notch groove (22) and can swing back and forth relative to the inner side wall of the notch groove (22), one side surface of the connecting seat (12) in the left and right direction is the first friction surface (11), one side surface of the notch groove (22) in the left and right direction is the second friction surface (21), the other side of the connecting seat (12) is provided with a blind hole (121), the blind hole (121) is internally provided with an elastic member (5) and a ball (6), one end of the elastic member (5) abuts against the bottom surface of the blind hole (121), the other end of the elastic member (5) abuts against the ball (6), and the other side surface of the notch groove (22) is embedded with an adjusting clamping plate (7), the adjusting clamping plate (7) is provided with a plurality of adjusting holes (71) capable of being matched with the balls (6) for limiting, and the adjusting holes (71) are arranged around the swinging axis of the connecting seat (12).

4. The tilt adjustment structure of a floor fan as claimed in claim 3, wherein the plurality of adjustment holes (71) are sequentially communicated in an engaged manner along the arrangement direction.

5. The adjusting structure of the pitching angle of the floor fan as claimed in claim 3, wherein said blind hole (121), elastic member (5) and ball (6) are several and arranged around the axis of oscillation of said connecting base (12).

6. The pitching adjusting structure of a floor fan as claimed in claim 3, wherein the inner side wall of the notch groove (22) has a limiting block (23), the surface of the connecting seat (12) is provided with a strip-shaped sliding groove (122), the limiting block (23) is located in the sliding groove (122), and when the fan head (1) swings back and forth to a maximum angle, the limiting block (23) can be respectively limited and abutted against the end side wall of the sliding groove (122).

7. The pitching adjusting structure of a floor fan as claimed in claim 6, wherein said sliding slot (122) is located on said first friction surface (11) and has an open bottom, said limiting block (23) is located in said notch groove (22), and said sliding slot (122) is disposed around the axis of oscillation of said connecting base (12).

8. A tilt adjustment structure for a floor fan as claimed in claim 3, characterised in that the resilient member (5) is a compression spring or a damping lever.

9. A tilt adjustment arrangement for a floor fan as claimed in claim 3, characterised in that the adjustment catch plate (7) is a metal piece.