CN219299581U

CN219299581U - Circulation fan with ventilation type handle groove

Info

Publication number: CN219299581U
Application number: CN202223069251.4U
Authority: CN
Inventors: 邓仲雯
Original assignee: Guangdong Shine Electric Appliances Co ltd
Current assignee: Guangdong Shine Electric Appliances Co ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-07-04
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a circulating fan with a ventilation type handle groove, which comprises a fan blade shell component, wherein the fan blade shell component comprises a ring shell and a rear cover, the rear end of the ring shell is connected with the front end of the rear cover, the rear cover comprises rear cover radial grid bars, a rear cover ventilating duct is formed between the adjacent rear cover radial grid bars, the rear part of the rear cover is provided with a handle groove, the handle groove comprises an inner ring groove wall, an outer ring groove wall and a radial groove wall, the inner end of the radial groove wall is connected with the inner ring groove wall into a whole, the outer end of the radial groove wall is connected with the outer ring groove wall into a whole, the outer wall of the handle groove is connected with the corresponding rear cover radial grid bars into a whole, the front end of the handle groove is provided with a handle groove bottom, and a handle groove ventilating duct is formed between the adjacent handle groove grid bars. The circulating fan provided by the utility model is convenient for a user to lift the circulating fan by one hand, and the air outlet effect of the circulating fan is prevented from being obviously influenced.

Description

Circulation fan with ventilation type handle groove

Technical Field

The utility model relates to the field of circulating fans, in particular to a circulating fan with a ventilation type handle groove.

Background

At present, the circulating fan has the characteristics of small volume, strong wind power and long air supply distance, and the circulating fan is used for stirring indoor air and is matched with an air conditioner to be used, so that a large indoor space can be uniformly refrigerated. In order to increase output wind pressure, most of fan blade shell components of circulating fans on the market adopt cylindrical or conical combined cylindrical shapes, and the radial distance between the fan blade shell components and the outer edges of the fan blades is small, so that the appearance of the fan blade shell components is compact, then handle structures are rarely arranged on the fan blade shell components of the circulating fans on the market, the circulating fans are difficult to pick up by one hand, protruding handle pieces or external handle structures are arranged at the tops of the circulating fans on the market, the overall aesthetic feeling of the appearance of the circulating fans can be damaged, but the handle structures are arranged in the rear of the fan blade shell components, the wind resistance of the circulating fans is increased, the wind outlet effect of the circulating fans is seriously influenced, and therefore the circulating fans in the prior art are necessary to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a circulating fan with a ventilation type handle groove, which is convenient for a user to lift the circulating fan by one hand and can avoid the obvious influence on the air outlet effect of the circulating fan.

The aim of the utility model is achieved by the following technical scheme.

The utility model discloses a circulating fan with a ventilation type handle groove, which comprises a fan blade shell component, wherein the fan blade shell component comprises a ring shell and a rear cover, the rear end of the ring shell is connected with the front end of the rear cover, the rear cover comprises rear cover radial grid bars, a rear cover ventilation channel is formed between the adjacent rear cover radial grid bars, the rear part of the rear cover is provided with a handle groove, the handle groove comprises an inner ring groove wall, an outer ring groove wall and a radial groove wall, the inner end of the radial groove wall is connected with the inner ring groove wall into a whole, the outer end of the radial groove wall is connected with the outer ring groove wall into a whole, the outer wall of the handle groove is connected with the corresponding rear cover radial grid bars into a whole, the front end of the handle groove is provided with a handle groove bottom, and a handle groove ventilation channel is formed between the adjacent handle groove grid bars.

Preferably, the handle groove bars are aligned with the corresponding rear cover radial bars.

Preferably, the inner side of the outer race groove wall is formed with a reinforcing rib extending in the front-rear direction.

Preferably, the circulating fan of the utility model further comprises a motor assembly, the motor assembly comprises a motor and a motor housing, the motor is connected with fan blades in a driving manner, the fan blades are arranged in the ring housing, a round concave table which is in a forward concave shape is formed on the rear cover, the round concave table and the fan blades are arranged coaxially, a handle groove is arranged in the round concave table, a containing concave housing is formed at the bottom of the round concave table, the front part of the motor housing is adaptively inserted in the containing concave housing, and the handle groove is arranged on the upper side of the motor housing.

Preferably, the circulating fan further comprises a shaking base assembly, the shaking base assembly comprises a movable seat and a fixed seat used for being in contact with a table top or the ground, a stand column is formed on the rear portion of the movable seat, a fork frame extending forwards and upwards is formed at the upper end of the stand column, the motor housing is arranged in the fork frame, the fork frame is hinged with the motor housing, the hinge axis of the fork frame and the motor housing is arranged in a horizontal plane, and the front upper end of the fork frame is arranged in the circular concave table.

Preferably, the circulating fan further comprises an upper angle adjusting component and a lower angle adjusting component, wherein the upper angle adjusting component and the lower angle adjusting component comprise positioning balls and positioning discs, the positioning balls are in relative sliding connection with the fork frame, the positioning discs are in relative fixed connection with the motor shell, the positioning discs are arranged on the hinge axes of the fork frame and the motor shell, clamping grooves are formed in the edge portions of the positioning discs, the clamping grooves are arranged at intervals along the circumferential direction, and the upper angle adjusting component and the lower angle adjusting component further comprise compression springs used for pushing the positioning balls into the clamping grooves, and the upper ends of the compression springs are in contact connection with the positioning balls.

Compared with the prior art, the utility model has the beneficial effects that: the handle groove is formed in the rear portion of the rear cover, the front end of the handle groove is provided with the handle groove bottom, the handle groove bottom comprises the handle groove grid bars, and the handle groove ventilating duct is formed between the adjacent handle groove grid bars, so that the circulating fan is convenient for a user to lift the circulating fan by one hand, and the air outlet effect of the circulating fan is prevented from being obviously influenced.

Drawings

Fig. 1 is a schematic front perspective view of a circulation fan according to the present utility model.

Fig. 2 is a schematic rear perspective view of the circulation fan of the present utility model.

Fig. 3 is a schematic perspective view of an up-down angle adjusting assembly according to the present utility model.

Fig. 4 is a schematic cross-sectional structure of the circulation fan of the present utility model.

Fig. 5 is a schematic cross-sectional view of the rear cover of the present utility model.

Fig. 6 is a schematic front perspective view of the rear cover of the present utility model.

Fig. 7 is a schematic rear view of the rear cover of the present utility model.

Fig. 8 is a rear bottom perspective view of the rear cover of the present utility model.

Description of the reference numerals: a fan blade housing assembly 1; a ring housing 11; a rear cover 12; a handle groove 121; a handle slot vent 1210; inner race groove wall 1211; outer race groove wall 1212; radial slot wall 1213; a handle groove bottom 1214; handle slot bars 1215; reinforcing ribs 1216; rear shroud radial grills 1201; a rear cover ventilation duct 1200; a circular concave stage 122; the accommodating concave housing 123; a swing base assembly 2; a fixing base 21; a movable base 22; a column 3; a fork 4; a motor assembly 5; a motor 51; a motor housing 52; an upper and lower angle adjusting assembly 6; a positioning ball 61; a positioning plate 62; a clamping groove 621; a compression spring 63; and a fan blade 7.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings.

The circulation fan with the ventilation type handle groove comprises a fan blade shell assembly 1, as shown in fig. 1 to 4, wherein the fan blade shell assembly 1 comprises a ring shell 11 and a rear cover 12, the rear end of the ring shell 11 is fixedly connected with the front end of the rear cover 12 through screws, the ring shell 11 is coaxially arranged with the rear cover 12, the rear cover 12 comprises rear cover radial grid bars 1201, as shown in fig. 7, the rear cover radial grid bars 1201 are radially distributed, the rear cover radial grid bars 1201 are directed to the center of the rear cover 12, and a rear cover ventilating duct 1200 is formed between the adjacent rear cover radial grid bars 1201, as shown in fig. 7 and 8.

As shown in fig. 4 and 5, the rear part of the rear cover 12 is formed with a handle groove 121, as shown in fig. 6, the handle groove 121 comprises an inner ring groove wall 1211, an outer ring groove wall 1212 and a radial groove wall 1213, the inner end of the radial groove wall 1213 is integrally connected with the inner ring groove wall 1211, the outer end of the radial groove wall 1213 is integrally connected with the outer ring groove wall 1212, that is, the inner ring groove wall 1211 is arc-shaped, the inner ring groove wall 1211 is concentric with the outer ring groove wall 1211, the outer ring groove wall 1212 is arc-shaped, the radial groove wall 1213 is arranged concentrically with the inner ring groove wall 1211, and the radial groove wall 1213 extends along the radius direction of the rear cover 12, so that one inner ring groove wall 1211, one outer ring groove 1212 and two radial groove walls 1213 enclose the handle groove 121, as shown in fig. 6 to 8, in other words, the rear cover radial grid 1201 passing through the position of the outer ring groove 121 is integrally connected with the outer wall of the handle groove 121, thereby enabling the inner ring groove wall 1211, the radial groove wall 1212 and the radial groove wall 1213 to be arranged concentrically, and preventing the finger support groove 121 from being broken when the user inserts the groove 121 into the groove 121 to lift. As shown in fig. 5 to 8, the front end of the handle groove 121 is formed with a handle groove bottom 1214, the handle groove bottom 1214 includes handle groove bars 1215, and a handle groove ventilation channel 1210 is formed between adjacent handle groove bars 1215, that is, the handle groove ventilation channel 1210 is located at the handle groove bottom 1214.

After the user inserts the fingers of one hand into the handle groove 121 from the back to the front, the fingers of the user hook upward, and the fingers contact the inner side of the supporting outer race groove wall 1212, so that the circulation fan can be lifted and carried. Because the handle groove bottom 1214 is provided with the handle groove ventilating duct 1210, the rear-to-front air flow formed during the operation of the circulating fan can pass through the handle groove bottom 1214, the handle groove 121 is in a ventilating structure, and the additionally arranged handle groove 121 can not generate obvious obstruction to the air flow generated during the operation of the circulating fan on the basis of the original rear cover radial grid 1201, so that the circulating fan is convenient for a user to lift the circulating fan by one hand, and the air outlet effect of the circulating fan is prevented from being obviously influenced. The handle groove bottom 1214 is provided with the handle groove grid 1215, which can limit the fingers of the user inserted into the handle groove bottom 1214 and prevent the fingers of the user from contacting the fan blade 7.

Further, as shown in fig. 7, the handle groove bars 1215 are aligned with the corresponding radial bars 1201 of the rear cover, specifically, the handle groove bars 1215 are also extended along the radial direction of the rear cover 12, and the handle groove bars 1215 and the corresponding radial bars 1201 of the rear cover are located on the same radius, so that turbulence is avoided when the airflow from rear to front passes through the rear cover 12, which is formed when the fan blade 7 operates.

Further, as shown in fig. 8, the inside of the outer race groove wall 1212 is formed with reinforcing ribs 1216 extending in the front-rear direction, that is, the reinforcing ribs 1216 are provided extending longitudinally, thereby contributing to the enhancement of the structural strength of the outer race groove wall 1212. It is preferable to provide the stiffening ribs 1216 in a longitudinally extending arrangement, since it will have a significant effect on the airflow. The reinforcing ribs 1216 are circumferentially and equidistantly distributed around the central axis of the rear cover 12, and when a user lifts the circulation fan, fingers can be in contact with the reinforcing ribs 1216, so that the reinforcing ribs 1216 are beneficial to increasing friction between the rear cover 12 and the fingers of the user, and the user is prevented from slipping off the hands when the user moves the circulation fan.

Further, the circulating fan of the utility model also comprises a motor component 5, as shown in fig. 4, the motor component 5 comprises a motor 51 and a motor shell 52, the motor 51 is in driving connection with a fan blade 7, the fan blade 7 is arranged on an output rotating shaft of the motor 51, and the fan blade 7 is arranged in the ring shell 11; as shown in fig. 5 and 8, the rear cover 12 is formed with a circular concave 122 in a shape recessed forward, the circular concave 122 is coaxially arranged with the fan blade 7, the handle groove 121 is arranged in the circular concave 122, the bottom of the circular concave 122 is formed with a containing concave shell 123, the containing concave shell 123 is also formed in a shape recessed forward, and the front part of the motor housing 52 is adapted to be inserted into the containing concave shell 123, so that the assembly of the motor housing 52 and the fan blade housing assembly 1 is compact in external dimension, and as shown in fig. 4 and 6, the handle groove 121 is arranged on the upper side of the motor housing 52, and thus the motor housing 52 is prevented from being blocked by a human hand from being inserted into the handle groove 121.

Further, as shown in fig. 1, the circulating fan of the present utility model further includes a shaking base assembly 2, the shaking base assembly 2 includes a movable base 22 and a fixed base 21 for contacting a table top or a ground, the movable base 22 can reciprocate left and right relative to the fixed base 21 by driving of a shaking motor, and the left and right shaking function and structure of the circulating fan are not important in the present utility model, so that the details are not described. As shown in fig. 1, a stand column 3 is formed on the rear portion of the movable seat 22, as shown in fig. 2, a fork frame 4 extending forward and upward is formed at the upper end of the stand column 3, a motor housing 52 is disposed in the fork frame 4, specifically, the fork frame 4 includes two fork arms, the motor housing 52 is disposed between the two fork arms, the fork frame 4 is hinged with the motor housing 52, the hinge axis of the fork frame 4 and the motor housing 52 is disposed in a horizontal plane, that is, the motor housing 52 can swing up and down, as shown in fig. 2 and 4, the front upper end of the fork frame 4 is disposed in a circular concave table 122. As shown in fig. 4, since the upright 3 is disposed on the rear portion of the movable seat 22 and the fork 4 is protruded forward and upward, a space above the middle portion of the movable seat 22 is allowed, so that the fan blade housing assembly 1 can be disposed above the middle portion of the movable seat 22, thereby making the structure of the circulation fan compact, and since the front upper end of the fork 4 is disposed in the circular recess 122 and the motor housing 52 is disposed in the fork 4, the structure of the circulation fan is further made compact.

Further, as shown in fig. 3, the circulation fan of the present utility model further includes an up-down angle adjusting assembly 6, the up-down angle adjusting assembly 6 includes a positioning ball 61 and a positioning disk 62, the positioning ball 61 is slidably connected with the fork 4, specifically, a circular hole is formed at a front upper end portion of the fork 4, the positioning disk 62 is disposed in the circular hole, the positioning disk 62 is disposed coaxially with the circular hole (it should be noted that, for convenience of viewing, a cover is not shown in fig. 3), a tube seat is formed at an edge portion of the circular hole, the positioning ball 61 is slidably disposed in the tube seat, the positioning disk 62 is fixedly connected with the motor housing 52, the positioning disk 62 is disposed on a hinge axis of the fork 4 and the motor housing 52, that is, a central axis of the positioning disk 62 coincides with the hinge axis, a clamping groove 621 is formed at an edge portion of the positioning disk 62, the clamping groove 621 is disposed at intervals circumferentially (around the hinge axis), the upper end 63 of the compression spring 63 is disposed in the tube seat 63 so as to be in contact with the compression spring 63. When the user swings the fan blade housing assembly 1 up and down with the hand, the positioning disk 62 swings with the fan blade housing assembly 1, the clamping groove 621 extrudes the positioning ball 61, the positioning ball 61 pushes the compression spring 63 to elastically compress and deform, the positioning ball 61 slides into the tube seat, when the adjacent clamping groove 621 rotates to align with the positioning ball 61, the elastic restoring force of the compression spring 63 pushes the positioning ball 61 into the adjacent clamping groove 621, at the moment, the user releases the circulation fan, and the positioning disk 62 is relatively clamped by the positioning ball 61 because the compression spring 63 pushes the positioning ball 61 into the clamping groove 621, so that the fan blade housing assembly 1, the motor assembly 5 and the fan blade 7 can stay at different air outlet angles.

Claims

1. The utility model provides a circulation fan with ventilation formula handle groove, includes flabellum shell subassembly (1), flabellum shell subassembly (1) include ring casing (11) and back shroud (12), the rear end of ring casing (11) with the front end of back shroud (12) is connected, back shroud (12) include back shroud radial grid (1201), adjacent be formed with back shroud air flue (1200) between back shroud radial grid (1201), its characterized in that: the rear part of the rear cover (12) is provided with a handle groove (121), the handle groove (121) comprises an inner ring groove wall (1211), an outer ring groove wall (1212) and a radial groove wall (1213), the inner end of the radial groove wall (1213) is integrally connected with the inner ring groove wall (1211), the outer end of the radial groove wall (1213) is integrally connected with the outer ring groove wall (1212), the outer wall of the handle groove (121) is integrally connected with the corresponding rear cover radial grid (1201), the front end of the handle groove (121) is provided with a handle groove bottom (1214), the handle groove bottom (1214) comprises handle groove grids (1215), and a handle groove channel (1210) is formed between the adjacent handle groove grids (1215).

2. The circulation fan having ventilated handle slots according to claim 1, wherein: the handle slot bars (1215) are aligned with the corresponding rear shroud radial bars (1201).

3. The circulation fan having ventilated handle slots according to claim 1, wherein: a reinforcing rib (1216) extending in the front-rear direction is formed on the inner side of the outer ring groove wall (1212).

4. The circulation fan having ventilated handle slots according to claim 1, wherein: still include motor element (5), motor element (5) are including motor (51) and motor housing (52), motor (51) drive is connected with flabellum (7), flabellum (7) are located in ring casing (11), back cover (12) are formed with and are the concave circular platform (122) of form forward, circular platform (122) with flabellum (7) coaxial line sets up, handle recess (121) are located in circular platform (122), the bottom of circular platform (122) is formed with holding concave shell (123), the front portion adaptation cartridge of motor housing (52) in holding concave shell (123), handle recess (121) are located the upside of motor housing (52).

5. The circulation fan having ventilated handle slots according to claim 4, wherein: still include base subassembly (2) of shaking head, base subassembly (2) of shaking head include movable seat (22) and be used for with desktop or ground contact's fixing base (21), be formed with stand (3) on movable seat (22) rear portion, the upper end of stand (3) is formed with fork (4) that extend the setting in upper and front, motor housing (52) are located in fork (4), fork (4) with motor housing (52) are articulated, fork (4) with motor housing (52) articulated axis locates in the horizontal plane, the preceding upper end of fork (4) is located in circular concave station (122).

6. The circulation fan having ventilated handle slots according to claim 5, wherein: the angle adjusting device comprises a motor housing (52), and is characterized by further comprising an upper angle adjusting assembly (6) and a lower angle adjusting assembly (6), wherein the upper angle adjusting assembly and the lower angle adjusting assembly comprise positioning balls (61) and positioning discs (62), the positioning balls (61) are in relative sliding connection with the fork housing (4), the positioning discs (62) are fixedly connected with the motor housing (52) relatively, the positioning discs (62) are arranged on the hinge axis of the fork housing (4) and the motor housing (52), clamping grooves (621) are formed in the edge portions of the positioning discs (62), the clamping grooves (621) are arranged at intervals in the circumferential direction, the upper angle adjusting assembly and the lower angle adjusting assembly (6) further comprise compression springs (63) used for pushing the positioning balls (61) into the clamping grooves (621), and the upper ends of the compression springs (63) are in contact connection with the positioning balls (61).