CN217380959U

CN217380959U - Turn to supporting component, turn to subassembly and fan

Info

Publication number: CN217380959U
Application number: CN202221439119.5U
Authority: CN
Inventors: 郑传亮; 刘建伟; 王定宝; 黎文年; 肖庆; 曹港生
Original assignee: Zhongshan Shihao Electric Appliance Co ltd
Current assignee: Zhongshan Shihao Electric Appliance Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-06
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a fan field, especially a turn to supporting component. The steering support assembly comprises a plurality of balls, an upper bottom cover and a plurality of rolling sleeves, wherein rolling grooves are formed in the bottoms of the rolling sleeves, the balls are arranged in the rolling grooves, the balls are in one-to-one rolling connection with the rolling grooves, and the rolling sleeves are arranged on the upper bottom cover. The utility model provides a pair of turn to supporting component has the advantage that can solve the transmission assembly atress card dun problem of shaking the head effectively. A steering assembly and a fan comprising the steering support assembly are provided.

Description

Turn to supporting component, turn to subassembly and fan

Technical Field

The utility model relates to a fan field especially one kind turns to supporting component, turns to subassembly and fan.

Background

The existing partial fan has a head shaking function and comprises a head shaking power mechanism, a head shaking transmission mechanism, a base and a fan main body; the fan main body is rotatably connected with the base through the head shaking transmission mechanism, and the head shaking power mechanism is used for driving the fan main body and the base to rotate relatively.

The common gear pair that includes of current transmission mechanism that shakes one's head, the gear pair includes internal gear and external gear, the internal gear is located on the base, the external gear rotates and installs in last bottom, power unit fixed mounting that shakes one's head is in last bottom, power unit that shakes one's head is connected with external gear drive, external gear drive internal gear rotation, at this moment, it can rotate for the base to go up the bottom, in order to reduce the frictional force between bottom and the base, install the ball on the last bottom of prior art, ball and last bottom roll connection, the ball adopts the metal material usually, go up bottom and base and be the part of moulding plastics usually.

Go up bottom and base all with ball roll connection, in order to reduce the frictional force between bottom and the ball, go up the bottom and need select smooth wear-resisting plastics for use, POM for example, the problem that prior art exists is that POM has shrinkage factor when moulding plastics big, the easy problem that warp of injection molding that its was made, under its great condition of deformation rate, the installation ball is difficult, the turning to of fan is unsmooth.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: the steering support assembly is used for solving the problem that an upper bottom cover and a lower bottom cover in the oscillating transmission assembly are limited by materials and are easy to deform; a steering assembly is provided, which comprises the upper bottom cover.

The utility model discloses a technical scheme that the solution problem adopted is:

the steering support assembly comprises a plurality of balls, an upper bottom cover and a plurality of rolling sleeves, wherein rolling grooves are formed in the bottoms of the rolling sleeves, the balls are arranged in the rolling grooves, the balls are in one-to-one rolling connection with the rolling grooves, and the rolling sleeves are installed on the upper bottom cover. Utilize the roll cover installation ball, install the roll cover on last bottom, when the ball rolls, bear and the ball between the frictional force by the roll cover, and need not relative motion between last bottom and the roll cover, consequently go up the bottom and can choose for use the not smooth plastics material to mould plastics, the chooseing for use of its material no longer receives great limitation, for example choose for use non-deformable's fine modified plastics of glass etc. simultaneously, the reduction of going up the bottom deformation volume can also bring the smooth and easy benefit of rotation after the installation.

As a further improvement of the above technical solution, the ball is made of metal, and the rolling sleeve is made of POM. The metal ball and the metal rolling sleeve can still roll smoothly relatively through long-term mutual friction, and blockage is prevented.

As a further improvement of the technical scheme, the upper and lower covers are injection molded, the upper and lower covers are made of glass fiber reinforced plastics, and the upper and lower covers are small in shrinkage rate after injection molding, not prone to deformation and more reliable in connection with the rolling sleeve.

As a further improvement of the above technical scheme, an installation groove with a downward opening is formed in the upper bottom cover, the rolling sleeve comprises a tubular main body, the main body is inserted into the installation groove, a flange is arranged at the bottom of the main body, the flange is in lap joint with the bottom of the installation groove, a partition plate is arranged in the middle of the rolling sleeve, and the rolling groove is formed below the partition plate. The installation height of the ball can be effectively limited by utilizing the lap joint of the flanging and the bottom of the installation groove.

As a further improvement of the technical scheme, the flanging is provided with a breaking part. After the balls are installed in the rolling sleeve, the rolling sleeve is deformed by the extrusion breaking part, the balls are limited in the rolling sleeve, and the balls are prevented from falling.

The utility model also provides a turn to subassembly, including turning to supporting component, still including turning to motor, external gear, internal gear and lower bottom cover, turn to motor fixed mounting and be in go up on the bottom, turn to the motor with external gear connects, the external gear with the internal gear meshing, internal gear fixed mounting is in the bottom down, the top of internal gear is equipped with the annular, the ball with annular roll connection. Through setting up internal gear and external gear to the two meshing utilizes to turn to the motor and drives the external gear and rotate, thereby under the effect of internal gear, makes the upper and lower bottom cover rotate on the lower bottom cover, simultaneously, utilizes the annular to carry on spacingly to the ball, guarantees that the ball rotates stably, makes the upper and lower bottom cover smoothly rotate relative to the lower bottom cover.

As a further improvement of the technical scheme, the novel gear transmission device further comprises a bearing, wherein an installation shaft is arranged at the center of the upper bottom cover, an installation hole is formed in the center of the inner gear, and the installation hole is connected with the installation shaft through the bearing. The rotation between the upper bottom cover and the lower bottom cover is smoother.

The utility model also provides a fan, including turning to the subassembly, still include the fan main part, the fan main part includes the air inlet shell, the air inlet shell with go up bottom fixed connection, the fan main part rotates along with last bottom when going up the rotation of bottom.

As a further improvement of the above technical solution, the steering motor is a stepping motor, the upper bottom cover is fixedly provided with a photoelectric switch, the internal gear is provided with an identification portion, the photoelectric switch is electrically connected with the stepping motor, and the photoelectric switch can identify the position of the identification portion. The fan body can rotate in a reciprocating manner by utilizing the photoelectric switch and the identification part, so that the head shaking is realized.

The utility model has the advantages that: utilize the roll cover installation ball, install the roll cover on last bottom, when the ball rolls, bear and the ball between the frictional force by the roll cover, and need not relative motion between last bottom and the roll cover, consequently go up the bottom and can choose for use the not smooth plastics material to mould plastics, the chooseing for use of its material no longer receives great limitation, can choose for use non-deformable's fine modified plastics etc. of glass, simultaneously, the reduction of going up the bottom deformation volume can also bring the smooth and easy benefit of rotation after the installation.

Drawings

The invention will be further explained with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of a steering support assembly according to the present invention;

fig. 2 is an exploded view of the steering assembly provided by the present invention;

FIG. 3 is a structural diagram of the fan provided by the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is an enlarged view of a portion B in fig. 4.

In the figure: 1. a ball bearing; 2. a rolling sleeve; 21. a rolling groove; 22. flanging; 23. a partition plate; 24. a breaking part; 3. a bottom cover is arranged; 31. mounting grooves; 4. a steering motor; 5. an outer gear; 6. an internal gear; 61. a ring groove; 62. an identification unit; 7. a bottom cover is arranged; 8. a bearing; 9. an air inlet housing; 10. a photoelectric switch.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the steering support assembly comprises a plurality of balls 1, an upper bottom cover 3 and a plurality of rolling sleeves 2, wherein rolling grooves 21 are formed in the bottoms of the rolling sleeves 2, the balls 1 are arranged in the rolling grooves 21, the balls 1 are in one-to-one rolling connection with the rolling grooves 21, and the rolling sleeves 2 are mounted on the upper bottom cover 3. Utilize rolling sleeve 2 installation ball 1, rolling sleeve 2 and the 3 non-whole injection moulding of upper cover have avoided shrink deformation and lead to the problem that ball 1 rotation is not smooth and easy after the installation in the forming process.

The material of ball 1 is metal, and the material of rolling sleeve 2 is POM, and the rolling sleeve 2 material is smooth, and the frictional force between rolling sleeve 2 and the metal ball 1 is little.

In order to prevent the rolling sleeve 2 from being stressed and inclined to cause the stress change of the balls 1 and further cause the friction between the balls 1 and the inner wall of the rolling groove 21 to cause the unsmooth rotation, the upper bottom cover 3 is formed by injection molding, and the material of the upper bottom cover 3 is glass fiber reinforced plastic.

Last bottom 3 is equipped with the mounting groove 31 that the opening is decurrent, rolls cover 2 including being pipy main part, and the main part is pegged graft in mounting groove 31, and the bottom of main part is equipped with turn-ups 22, and turn-ups 22 and the bottom overlap joint of mounting groove 31 roll the middle part of cover 2 and be equipped with baffle 23, and roll groove 21 and be formed in baffle 23 below. The rolling sleeve 2 is arranged in the mounting groove 31 in an inserting mode, so that the upper bottom cover 3, the rolling sleeve 2 and the balls can be conveniently assembled, the depth of the rolling sleeve 2 inserted into the mounting groove 31 is limited by the turned-over edge 22 during assembly, the mounting height of the balls 1 is ensured, and the balls 1 can be favorably contacted with the lower bottom cover for rolling; the flange 22 is provided with a break 24.

Referring to fig. 2, a steering assembly comprises a steering support assembly and further comprises a steering motor 4, an external gear 5, an internal gear 6 and a lower bottom cover 7 in order to ensure steering, wherein the steering motor 4 is fixedly installed on the upper bottom cover 3, the steering motor 4 is in transmission connection with the external gear 5, the external gear 5 is meshed with the internal gear 6, the internal gear 6 is fixedly installed in the lower bottom cover 7, a ring groove 61 is formed in the top of the internal gear 6, and a ball 1 is in rolling connection with the ring groove 61. During the use, turn to motor 4 work, drive external gear 5 and rotate, under the effect of internal gear 6, external gear 5 can rotate along internal gear 6's inside wall when the rotation to drive bottom 3 and rotate, and then realize turning to, when the pivoted, ball 1 embedding annular 61 internal rotation guarantees to rotate stably, can not take place the skew.

The novel gear box is characterized by further comprising a bearing 8, wherein an installation shaft is arranged at the center of the upper bottom cover 3, an installation hole is formed in the center of the inner gear 6, and the installation hole is connected with the installation shaft through the bearing 8. The upper bottom cover 3 and the lower bottom cover 7 are kept stable in relative rotation by the bearing 8.

Referring to fig. 3-6, a fan comprises a steering assembly and a fan main body, wherein the fan main body comprises an air inlet shell 9, and the air inlet shell 9 is fixedly connected with an upper bottom cover 3.

The steering motor 4 is a stepping motor, the photoelectric switch 10 is fixedly installed on the upper bottom cover 3, the internal gear 6 is provided with an identification part 62, the photoelectric switch 10 is electrically connected with the stepping motor, and the photoelectric switch 10 can identify the position of the identification part 62.

During the use, turn to motor 4 work, make the fan main part rotate through turning to the subassembly, utilize photoelectric switch 10 and identification portion 62 cooperation, when photoelectric switch 10 rotated to identification portion 62, turn to motor 4 and switch and turn to the realization is shaken the head.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A steering support assembly comprising a plurality of balls, characterized in that:

the rolling device is characterized by further comprising an upper bottom cover and a plurality of rolling sleeves, wherein rolling grooves are formed in the bottoms of the rolling sleeves, the rolling balls are arranged in the rolling grooves, the rolling balls are in one-to-one rolling connection with the rolling grooves, and the rolling sleeves are installed on the upper bottom cover.

2. A steering support assembly according to claim 1, wherein:

the material of ball is the metal, the material of rolling cover is POM.

3. A steering support assembly according to claim 1, wherein:

the upper bottom cover is formed by injection molding, and the upper bottom cover is made of glass fiber reinforced plastics.

4. A steering support assembly according to claim 1, wherein:

the upper bottom cover is provided with a mounting groove with a downward opening, the rolling sleeve comprises a tubular main body, the main body is inserted into the mounting groove, the bottom of the main body is provided with a flanging, the flanging is in lap joint with the bottom of the mounting groove, the middle of the rolling sleeve is provided with a partition plate, and the rolling groove is formed below the partition plate.

5. A steering support assembly according to claim 4, wherein:

the flanging is provided with a breaking part.

6. A steering assembly including a steering support assembly as claimed in any one of claims 1 to 5, wherein:

still including turning to motor, external gear, internal gear and lower cover, turn to motor fixed mounting on going up the bottom, turn to the motor with external gear drive connects, the external gear with the internal gear meshing, internal gear fixed mounting is in the bottom down, the top of internal gear is equipped with the annular, the ball with annular roll connection.

7. A steering assembly, as claimed in claim 6, wherein:

the novel gear box is characterized by further comprising a bearing, wherein an installation shaft is arranged at the center of the upper bottom cover, an installation hole is formed in the center of the inner gear, and the installation hole is connected with the installation shaft through the bearing.

8. A fan comprising a steering assembly as claimed in claim 6, wherein:

still include the fan main part, the fan main part includes the air inlet shell, the air inlet shell with last bottom fixed connection.

9. A fan as claimed in claim 8, wherein:

the steering motor is a stepping motor, a photoelectric switch is fixedly mounted on the upper bottom cover, an identification part is arranged on the inner gear, the photoelectric switch is electrically connected with the stepping motor, and the position of the identification part can be identified by the photoelectric switch.