CN214366830U

CN214366830U - Pitching adjusting device and fan

Info

Publication number: CN214366830U
Application number: CN202120297060.XU
Authority: CN
Inventors: 王勇; 黄少杰; 刘润生; 郭宏俊; 林泽通
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-08
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a every single move adjusting device, including the casing, seted up the mounting hole on the casing, be provided with the telescopic link in the mounting hole, be provided with the joint on the telescopic link, the outer wall butt that connects has the damping structure, and one side of damping structure is provided with limit structure to make telescopic link and casing rotate relatively. Also disclosed is a fan comprising a pitch adjustment device as described above. The utility model provides a every single move adjusting device places damping part on the outer face of cylinder of joint, compresses tightly the damping ring with the grommet lid through the screw for damping part's cylinder compresses tightly towards the outer face of cylinder of joint, produces frictional force, realizes every single move regulation positioning action, and the contact surface increases, and the good reliability; the wiring space is large, parts are reduced, and the production efficiency is high; the direction of the locking screw is changed, and the loosening phenomenon of the screw is avoided.

Description

Pitching adjusting device and fan

Technical Field

The utility model belongs to the fan field especially relates to a every single move adjusting device and fan.

Background

In the existing market, the folding fan mostly realizes the positioning function of the pitching adjustment process of the machine head by the damping function of the damping part and the telescopic pipe joint, and the effect is better. However, the damping part (damping ring) of the folding fan in the market is usually placed at the inner cylinder of the expansion pipe joint, the left shaft sleeve and the right shaft sleeve are locked by screwing an axial screw, the end face of the damping ring facing the end face of the expansion pipe joint is compressed to generate friction force, the pitching adjusting and positioning effects are realized, and finally, a wire protecting cover is required to be installed to protect the routing. The position of the damping part occupies wiring space, so that the assembly difficulty is increased, and the production efficiency is not facilitated; and the screwing-in direction of the locking screw is the same as the pitching adjusting angle direction, and the screw can be driven to rotate towards the unscrewing direction when the pitching angle of the machine head is adjusted for multiple times, so that the screw is loosened to lose the compression effect of the shaft sleeve on the damping ring, and the pitching adjusting and positioning are invalid.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that damping occupies wiring space and parts are more and poor in installation efficiency in the pitching adjusting device, the utility model provides a pitching adjusting device, wherein a damping part is placed on the outer cylindrical surface of a joint, and a wire protecting cover is tightly pressed on a damping ring through a screw, so that the cylindrical surface of the damping part is tightly pressed on the outer cylindrical surface of the joint to generate friction force, thereby realizing the pitching adjusting and positioning effect, increasing the contact surface and having good reliability; the wiring space is large, parts are reduced, and the production efficiency is high; the direction of the locking screw is changed, and the loosening phenomenon of the screw is avoided.

In order to achieve the above object, the utility model discloses a specific technical scheme of every single move adjusting device and fan as follows:

the utility model provides a every single move adjusting device, includes the casing, has seted up the mounting hole on the casing, is provided with the telescopic link in the mounting hole, is provided with the joint on the telescopic link, and the outer wall butt of joint has the damping structure, and one side of damping structure is provided with limit structure to make telescopic link and casing rotate relatively.

Furthermore, limit structure includes the baffle, is provided with the arc recess on the baffle, the structure and the damping structure looks adaptation of baffle.

Further, one side of baffle is provided with the storage tank, and the one end of storage tank is provided with the stopper, and one side of stopper is provided with the fixed orifices.

Further, the damping structure includes first damping, and first damping is installed in the storage tank, and the top surface of first damping is higher than the top surface setting of baffle for the top surface of baffle and joint are provided with the interval, and the top surface of first damping and the outer wall butt that connects.

Further, first damping sets up to the arc, and first damping is provided with first contact surface with the outer wall butt of joint with the outer wall shape looks adaptation of joint on the first damping.

Further, the damping structure still includes the second damping, is provided with the second contact surface on the second damping, and the second contact surface contacts with the outer wall that connects.

Further, a third contact surface is arranged on the second damper, and a protective cover is arranged on the third contact surface.

Further, the protecting cover comprises a body, fixing plates are symmetrically arranged on the body, a stop block is arranged on one side of each fixing plate, a space is arranged between each baffle and each fixing plate, and second damping is contained in the space formed by the baffles and the fixing plates.

Further, the apex angle department of body is provided with the screw hole, and the position of screw hole and the position of fixed orifices are corresponding, through the screw with protecting cover and casing fixed connection.

Furthermore, the top of the telescopic rod is provided with a joint, the joint is provided with an accommodating cavity, the cross-sectional area of the joint is circular, and a wiring space is arranged in the accommodating cavity.

Further, when the first damper is installed in the accommodating groove, the upper surface of the first damper is higher than the upper surface of the limiting block.

A fan comprising a pitch adjustment arrangement as described above.

The utility model discloses a every single move adjusting device has following advantage: the utility model provides a every single move adjusting device places damping part on the outer face of cylinder of joint, compresses tightly the damping ring with the grommet lid through the screw for damping part's cylinder compresses tightly towards the outer face of cylinder of joint, produces frictional force, realizes every single move regulation positioning action, and the contact surface increases, and the good reliability; the wiring space is large, parts are reduced, and the production efficiency is high; the direction of the locking screw is changed, and the loosening phenomenon of the screw is avoided.

Drawings

Fig. 1 is an assembly view of a pitch adjustment apparatus of the present invention;

fig. 2 is an exploded view of the pitch adjustment device of the present invention;

fig. 3 is a side view of the pitch adjustment apparatus of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

fig. 5 is a schematic structural diagram of the housing of the present invention;

fig. 6 is a schematic structural diagram of the first damper of the present invention;

fig. 7 is a schematic structural view of a second damper according to the present invention;

fig. 8 is a schematic structural view of the telescopic rod of the present invention;

figure 9 is a schematic view of the protective cover of the present invention.

The notation in the figure is:

1. a housing; 11. a containing groove; 12. a baffle plate; 13. a limiting block; 14. a fixing hole; 2. a first damping; 21. a first contact surface; 3. a telescopic rod; 31. a joint; 311. an accommodating cavity; 4. a second damping; 41. a second contact surface; 42. a third contact surface; 5. a protective cover; 51. screw holes; 52. a stopper; 53. and (7) fixing the plate.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a every single move adjusting device, including casing 1, the mounting hole has been seted up on casing 1, is provided with telescopic link 3 in the mounting hole, is provided with joint 31 on the telescopic link 3, and the outer wall butt of joint 31 has connect the damping structure, and one side of damping structure is provided with limit structure to make telescopic link 3 and casing 1 rotate relatively.

In this embodiment, the housing 1 may be specifically provided with a mesh cover, which is mainly applied to the technical field of fans, and the pitch adjustment device provided in this embodiment may also be provided in other technical fields, which is not specifically limited herein.

As shown in fig. 5, a specific structure of the housing 1 is shown, the axis of the mounting hole is taken as a symmetric center, the structures on two opposite sides of the mounting hole are the same, the limiting structure is arranged on the hole wall of the mounting hole, the limiting structure comprises a baffle 12, an arc-shaped groove is arranged on the baffle 12, the specific structure of the baffle 12 is matched with the damping structure, and the damping structure is prevented from being separated from the housing 1.

One side of the baffle 12 is provided with a containing groove 11, one end of the containing groove 11 is provided with a limiting block 13, and one side of the limiting block 13 is provided with a fixing hole 14.

As shown in fig. 6, the damping structure includes a first damper 2, the first damper 2 is installed in the accommodating groove 11, a top surface of the first damper 2 is higher than a top surface of the baffle 12, so that a space is provided between the top surface of the baffle 12 and the joint 31, and the top surface of the first damper 2 abuts against an outer wall of the joint 31.

First damping 2 sets up to the arc, and first damping 2 and the outer wall shape looks adaptation that connects 31 are provided with first contact surface 21 on the first damping 2, and during the assembly, first contact surface 21 and the outer wall contact that connects 31 to make first damping 2 and the outer wall butt that connects 31.

As shown in fig. 7, the damping structure further includes a second damper 4, a second contact surface 41 is disposed on the second damper 4, the second contact surface 41 contacts with the outer wall of the joint 31, and the first damper 2 and the second damper 4 respectively contact with the outer wall of the joint 31, so that the first damper 2 and the second damper 4 are coated on the outer wall of the joint 31.

The second contact surface 41 and the outer wall of the joint 31 are shaped to fit tightly together, so that the second contact surface 41 and the joint 31 are tightly fitted together.

During assembly, the first damper 2 is placed in the accommodating groove 11, the joint 31 is installed in the arc-shaped groove of the first damper 2, and the exposed outer wall of the joint 31 is buckled with the second damper 4, so that the damping structure wraps the outer wall of the joint 31.

Be provided with third contact surface 42 on the second damping 4, be provided with protecting cover 5 on the third contact surface 42, thereby protecting cover 5 makes the relative rotation of casing 1 and telescopic link 3 is realized to the outer wall butt of damping structure and joint 31 with second damping 4 spacing.

As shown in fig. 9, the protecting cover 5 includes a body, the fixing plates 53 are symmetrically disposed on the body, and the structure of the fixing plates 53 is the same as that of the second damper 4, so that the sidewall of the baffle 12 and the sidewall of the second damper 4 abut against each other to limit the movement of the second damper 4.

The stopper 52 is provided at one side of the fixed plate 53, a space is provided between the baffle plate 12 and the fixed plate 53, and the second damper 4 is accommodated in the space formed by the baffle plate 12 and the fixed plate 53, thereby restricting the movement of the second damper 4.

The vertex angle department of body is provided with screw hole 51, and the position of screw hole 51 corresponds with the position of fixed orifices 14, through screw with protecting cover 5 and casing 1 fixed connection to the realization connects 31 and sets up in casing 1, makes and connects 31 and casing 1 in vertical direction relative rotation.

As shown in fig. 8, the top of the telescopic rod 3 is provided with the joint 31, the joint 31 has a receiving cavity 311, the cross-sectional area of the joint 31 is circular, and a routing space is arranged in the receiving cavity 311, so that the routing space is not occupied, the routing is simple, and the installation efficiency is high.

When first damping 2 is installed in storage tank 11, the upper surface of first damping 2 is higher than the upper surface of stopper 13, installs first damping 2 this moment after, and the upper surface of first damping 2 is higher than the surface of casing 1, and protecting cover 5 changes back on casing 1 and passes through the screw fastening, with the coincidence of the upper surface of third contact surface 42 and stopper 13 to increase the 2 packing forces to joint 31 of first damping.

The utility model provides a pair of every single move adjusting device increases damping structure's joint 31's area of contact, damping structure effect reliability reinforcing, simultaneously through the screw with protecting

cover

5 and 1 fixed connection of casing, make protecting cover 5 exert pressure increase frictional force to damping structure direction, the quantity that increases the screw improves the reliability of locking compression damping structure, locking screw direction is different with every single move regulation direction of rotation simultaneously, avoids adjusting the appearance of the in-process of fostering the angle and allowances the pine condition of taking off.

The utility model provides a damping mechanism includes first damping 2 and second damping 4, and in the concrete implementation process, the quantity of damping structure not only limits in first damping 2 and second damping 4, can also set up to the damping of other different quantities, does not do specific the injecing here, only lists the embodiment and does specific explanation.

The utility model also provides a fan, including above every single move adjusting device.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention.

In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a every single move adjusting device, its characterized in that includes casing (1), has seted up the mounting hole on casing (1), is provided with telescopic link (3) in the mounting hole, is provided with on telescopic link (3) and connects (31), and the outer wall butt of joint (31) has connect the damping structure, and one side of damping structure is provided with limit structure to make telescopic link (3) and casing (1) rotate relatively.

2. A pitch adjustment device according to claim 1, wherein the limiting structure comprises a baffle (12), an arc-shaped groove is arranged on the baffle (12), and the structure of the baffle (12) is matched with the damping structure.

3. A pitch adjustment device according to claim 2, wherein the baffle (12) is provided with a receiving groove (11) at one side thereof, a stopper (13) is provided at one end of the receiving groove (11), and a fixing hole (14) is provided at one side of the stopper (13).

4. A pitch adjustment device according to claim 3, wherein the damping structure comprises a first damper (2), the first damper (2) being mounted in the receiving channel (11), the top surface of the first damper (2) being arranged higher than the top surface of the baffle (12) such that the top surface of the baffle (12) and the joint (31) are arranged with a spacing, the top surface of the first damper (2) and the outer wall of the joint (31) abutting.

5. A pitch adjustment device according to claim 4, wherein the first damper (2) is provided as an arc-shaped plate, the shape of the first damper (2) is adapted to the shape of the outer wall of the joint (31), the first damper (2) is provided with a first contact surface (21), and the first contact surface (21) abuts against the outer wall of the joint (31).

6. A pitch adjustment device according to claim 4, wherein the damping structure further comprises a second damper (4), the second damper (4) being provided with a second contact surface (41), the second contact surface (41) being in contact with the outer wall of the joint (31).

7. A pitch adjustment device according to claim 6, wherein a third contact surface (42) is provided on the second damper (4), and a protective cover (5) is provided on the third contact surface (42).

8. A pitch adjustment device according to claim 7, wherein the shield (5) comprises a body, the body is symmetrically provided with a fixed plate (53), one side of the fixed plate (53) is provided with a stop (52), a gap is provided between the baffle (12) and the fixed plate (53), and the second damper (4) is accommodated in the gap formed by the baffle (12) and the fixed plate (53).

9. A pitch adjustment device according to claim 8, wherein a screw hole (51) is arranged at the top corner of the body, the position of the screw hole (51) corresponds to the position of the fixing hole (14), and the protective cover (5) and the shell (1) are fixedly connected through a screw.

10. A pitch adjustment device according to claim 1, wherein the joint (31) is arranged at the top of the telescopic rod (3), the joint (31) has a receiving cavity (311), the cross-sectional area of the joint (31) is circular, and a routing space is arranged in the receiving cavity (311).

11. A pitch adjustment device according to claim 4, wherein the upper surface of the first damper (2) is higher than the upper surface of the stop block (13) when the first damper (2) is mounted in the receiving groove (11).

12. A fan comprising a pitch adjustment apparatus as claimed in any one of claims 1 to 11.