CN210686554U

CN210686554U - Adjusting mechanism of fan pillar

Info

Publication number: CN210686554U
Application number: CN201921413429.8U
Authority: CN
Inventors: 麦伟来
Original assignee: Zhongshan Wangde Feifan Motor Industry Co Ltd
Current assignee: Zhongshan Wangde Feifan Motor Industry Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-05
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a fan technical field especially relates to an adjustment mechanism of fan pillar, has solved current fan pillar and has relied on fastening bolt fixed, leads to pillar deformation, wearing and tearing and the poor problem of stability. An adjustment mechanism for a fan strut, comprising: the base is in a hollow cylindrical shape, an annular groove is formed in one end face of the base, and one end of the base is divided into an outer ring and an inner ring by the groove; the clamping piece comprises two clamping blocks arranged on the inner side surface of the inner ring; the two guide plates and the two clamping blocks are arranged in the grooves in a one-to-one correspondence manner; the sliding strips are arc-shaped and symmetrically arranged at two ends of the guide plate. The utility model discloses an area of contact and clamping position when increasing the centre gripping pillar for the fixed more stable, the even difficult wearing and tearing of pillar atress, the deformation of pillar regulation.

Description

Adjusting mechanism of fan pillar

Technical Field

The utility model relates to a fan technical field specifically is an adjustment mechanism of fan pillar.

Background

At present, the fan pillar is for the sake of easy regulation, and the cylinder that mainly includes inside and outside both sides nested each other is constituteed, through the concertina movement of inlayer cylinder in outer cylinder, adjusts the whole length of fan pillar, and then reaches the effect of adjusting the fan head height, in addition, still be equipped with on outer cylinder and be used for the fastening bolt to inlayer cylinder rigidity, after pillar length adjustment, compress tightly the inlayer cylinder through rotating fastening bolt, realize the fixed to fan pillar length.

According to the prior art, the contact position of the fastening bolt and the inner-layer cylinder is a direct stress position when the fastening bolt is used for pressing the inner-layer cylinder, the stress pressure is the largest, the abrasion and deformation of the fastening bolt on the surface of the inner-layer cylinder can be caused, and the stability of the inner-layer cylinder after being pressed is poor due to the fact that the contact area of the inner-layer cylinder and the fastening bolt is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustment mechanism of fan pillar solves prior art, and stability is relatively poor when fixed to the pillar, the easy wearing and tearing of pillar, the problem of deformation.

In order to achieve the above object, the present invention provides an adjusting mechanism for a fan support, including:

the base is in a hollow cylindrical shape, an annular groove is formed in one end face of the base, and one end of the base is divided into an outer ring and an inner ring by the groove;

the clamping piece comprises two clamping blocks arranged on the inner side surface of the inner ring, the two clamping blocks are symmetrically distributed, the surface of each clamping block facing the outer side of the inner cavity is provided with an elastic connecting piece, and one end of each elastic connecting piece penetrates through the inner ring and extends into the groove;

the two guide plates and the two clamping blocks are arranged in the groove in a one-to-one correspondence mode, the two sides, located in the groove, of the two guide plates are symmetrically distributed, the two guide plates are located on the same side in the groove relative to the two elastic connecting pieces, and one ends, far away from the inner ring, of the two guide plates are inclined towards the corresponding clamping blocks respectively;

the sliding strips are arc-shaped and symmetrically arranged at two ends of the guide plate, racks are arranged at one ends, away from the guide plate, between the two sliding strips corresponding to the same guide plate, the two racks are in a superposed state along the axial direction of the base, gears are meshed between the two racks together, the end parts of the gears are rotatably connected to the inner wall of the outer ring through operating parts, and one ends of the operating parts penetrate through the outer ring and extend to the outer side of the base;

the cover plate is arranged at the end part of the base, a circular arc-shaped sliding groove matched with the sliding strip is arranged at the position, corresponding to the groove, of the surface of the cover plate and in the groove, and the sliding strip is located in the sliding groove.

Preferably, the elastic connecting piece comprises a push rod penetrating through the inner ring, one end of the push rod is connected with the clamping block, the other end of the push rod extends into the groove, an outer baffle and an inner baffle are sleeved outside the push rod, a first spring in a compression state is arranged between the outer baffle and the inner baffle in a sleeved mode, the outer baffle is fixedly connected with the push rod, the inner baffle can axially move along the push rod outside the push rod, and the outer baffle, the inner baffle and the first spring are all arranged inside the inner ring.

Preferably, the end of the push rod in the groove is provided with a rotating shaft.

Preferably, the tip of inner circle is equipped with the logical groove that is used for holding outer baffle, interior baffle and first spring, and the push rod runs through logical groove, and the inner wall of inner circle is equipped with and leads to the holding tank that is used for holding the clamp splice of groove one end intercommunication.

Preferably, the operating part includes wearing to locate the outer bull stick that has the cuboid inner chamber in the outer lane, and the one end of outer bull stick is worn to be equipped with the adversion pole with the adaptation of outer bull stick inner chamber shape, and the end that the adversion pole is located outer bull stick is equipped with the second spring that is tensile state between the inner wall of outer bull stick, and the outside cover of interior bull stick is equipped with the spacing ring that the surface evenly is equipped with the tooth, and the spacing groove that is used for with spacing ring looks adaptation is seted up on the outer lane surface.

Preferably, one end of the inner rotating rod penetrates through the limiting ring to be provided with a rotating handle.

The utility model discloses possess following beneficial effect:

the two racks are driven to move oppositely through gear rotation, the two racks can drive the two guide plates to move through the sliding strips respectively, the guide plates can contact with the push rod when moving, the push rod moves towards the inner ring under the action of pressure of the inclined guide plates, at the moment, the push rod can drive the clamping block to move towards the inner ring, the distance between the two clamping blocks is reduced, and the pillar can be clamped and fixed;

through the cooperation of second spring, spacing ring and spacing groove for can enter into the spacing inslot when the spacing ring under the elastic action of second spring, at this moment, the outside tooth of spacing ring can with the spacing groove block, and then can fix the spacing ring, thereby reach the fixed effect to the gear, let two clamp splices keep the tight state of clamp to the pillar.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional end view of the base of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a schematic view of a second spring according to the present invention;

fig. 6 is a schematic view of the gear and the gear ring according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a technical solution: an adjusting mechanism of a fan strut mainly comprises a base 300, a clamping piece 400, a guide plate 500, a slide bar 600 and a cover plate 700, wherein the base 300 is in a hollow cylindrical shape, an annular groove 301 is arranged on one end face of the base 300, one end of the base 300 is divided into an outer ring 302 and an inner ring 303 by the groove 301, concretely, the fan strut comprises an outer cylinder 100 and an inner cylinder 200 with one end penetrating through the outer cylinder 100, the inner cylinder 200 can move in the outer cylinder 100 in a telescopic way, the outer cylinder 100 is provided with screw teeth on the outer side of the inserted end of the inner cylinder 200, one end of the base 300 is provided with an annular thread groove matched with one end of the outer cylinder 100 with the screw teeth, and is connected with the screw teeth through the thread groove, the base 300 can be connected to the outer cylinder 100 by screw threads, so that the base 300 is connected to the outer cylinder 100, and one end of the inner cylinder 200 inserted into the outer cylinder 100 penetrates through the inner cavity of the base 300;

the clamping piece 400 comprises two clamping blocks 401 arranged on the inner side surface of the inner ring 303, the two clamping blocks 401 are symmetrically distributed, an elastic connecting piece 800 is arranged on the surface of the clamping block 401 facing the outer side of the inner cavity, one end of the elastic connecting piece 800 penetrates through the inner ring 303 and extends into the groove 301, the elastic connecting piece 800 is used for pushing the clamping blocks 401 to move, and the two clamping blocks 401 are respectively in a clamping state and a loosening state by changing the distance between the two clamping blocks 401;

the two guide plates 500 and the two clamping blocks 401 are arranged in the groove 301 in a one-to-one correspondence manner, two sides of the two guide plates 500, which are positioned in the groove 301, are symmetrically distributed, the two guide plates 500 are positioned on the same side in the groove 301 relative to the two elastic connecting pieces 800, one ends of the two guide plates 500, which are far away from the inner ring 303, are respectively inclined towards the corresponding clamping blocks 401, when the two guide plates 500 respectively move towards one sides of the respective corresponding elastic pieces, the elastic connecting pieces 800 move on the surfaces of the guide plates 500 relative to the guide plates 500, in the process, the guide plates 500 have pressure towards one side of the inner ring 303 on the elastic connecting pieces 800, and the elastic connecting pieces 800 can drive the clamping blocks 401 to move towards the inner ring 303, so that the clamping of;

the slide bars 600 are arc-shaped, the slide bars 600 are symmetrically arranged at two ends of the guide plate 500, racks 110 are arranged at one ends, far away from the guide plate 500, between the two slide bars 600 corresponding to the same guide plate 500, the two racks 110 are in a superposed state along the axial direction of the base 300, the two racks 110 are meshed with the gear 220 together, the end part of the gear 220 is rotatably connected to the inner wall of the outer ring 302 through the operating part 900, one end of the operating part 900 penetrates through the outer ring 302 and extends to the outer side of the base 300, the operating part 900 can drive the gear 220 to rotate when rotating, the gear 220 can drive the two racks 110 to move oppositely when rotating, and at the moment, the rack 110 can drive the guide plate 500 to move through the slide bars 600;

the cover plate 700 is arranged at the end part of the base 300, the position of the cover plate 700 corresponding to the groove 301 and the inside of the groove 301 are provided with a sliding groove 330 which is matched with the sliding strip 600 and is arc-shaped, the sliding strip 600 is positioned in the sliding groove 330, the sliding groove 330 has a limiting and guiding effect on the sliding strip 600, so that when the rack 110 drives the sliding strip 600 to move, the sliding strip 600 can move in the sliding groove 330, the moving track of the sliding strip 600 is arc-shaped, further, the moving track of the guide plate 500 is arc-shaped, and the guide plate 500 is ensured to effectively move in the groove 301 and effectively drive the elastic part to move.

In the above embodiment, the elastic connector 800 includes the push rod 801 penetrating through the inner ring 303, one end of the push rod 801 is connected to the clamping block 401, the other end of the push rod 801 extends into the groove 301, the push rod 801 is used to contact with the guide plate 500 and drive the clamping block 401 to move, the push rod 801 is externally sleeved with the outer baffle 802 and the inner baffle 803, the first spring 804 in a compressed state is disposed between the outer baffle 802 and the inner baffle 803, the outer baffle 802 is fixedly connected to the push rod 801, the inner baffle 803 can move axially along the push rod 801 outside the push rod 801, the outer baffle 802, the inner baffle 803, and the first spring 804 are disposed inside the inner ring 303, when the push rod 801 moves under the action of the guide plate 500, the outer baffle 802 is driven to move, at this time, the inner baffle 803 remains stationary, the outer baffle 802 continuously moves along with the push rod 801 to approach the inner baffle 803, at this time, the first spring 804 is compressed, after the external force of the push rod 801 gradually disappears, the first spring 804 has a recovery process, and in the process, the first spring 804 drives the push rod 801 to reset through the outer baffle 802, and drives the clamping block 401 to reset through the push rod 801, so that the clamping block 401 can be effectively recovered from a clamping state to a loosening state;

in order to improve the effect of the guide plate 500 on applying force to the push rod 801, in the above embodiment, the end of the push rod 801 located in the groove 301 is provided with the rotating shaft 805, when the guide plate 500 moves and contacts with the push rod 801, the guide plate 500 will contact with the rotating shaft 805, and when the push rod 801 moves on the surface of the guide plate 500 relative to the guide plate 500, the rotating shaft 805 will rotate, at this time, not only the transmission effect of the guide plate 500 driving the push rod 801 to move is improved, but also the resistance between the guide plate 500 and the push rod 801 can be reduced, so that on one hand, the abrasion between the guide plate 500 and the push rod 801 can be reduced, and on the other hand, the operation can;

the end of the inner ring 303 is provided with a through groove 440 for accommodating an outer baffle 802, an inner baffle 803 and a first spring 804, the push rod 801 penetrates through the through groove 440, the through groove 440 is used for facilitating the installation of the elastic connecting piece 800, specifically, the outer stopper and the inner stopper are respectively inserted into the through groove 440 and are respectively contacted with the inner walls of the two ends of the through groove 440, at this time, under the elastic action of the first spring 804, the outer stopper and the inner stopper can respectively abut against the inner walls of the two ends of the through groove 440, the outer stopper and the inner stopper can be directly fixed, the installation of the elastic connecting piece 800 is very convenient, the inner wall of the inner ring 303 is provided with an accommodating groove 550 which is communicated with one end of the through groove 440 and is used for accommodating the clamping block 401, when the guide plate 500 and the push rod 801 are in a separated state, the two clamping blocks 401 are in a released state, at this time, the two clamping blocks, when the inner cavity of the base 300 is designed, the thickness of the clamping blocks 401 can be omitted, the size of the base 300 can be reduced, and secondly, when the two clamping blocks 401 are in a loose state, in the process of moving the support, the support cannot contact with the clamping blocks 401 because the clamping blocks 401 are accommodated in the accommodating grooves 550, and the clamping blocks 401 are prevented from being worn;

in the above embodiment, the operation device 900 includes an outer rotating rod 901 having a rectangular inner cavity and disposed in the outer ring 302, an inner rotating rod 902 having a shape adapted to the inner cavity of the outer rotating rod 901 is disposed at one end of the outer rotating rod 901, the inner rotating rod 901 is rectangular and has an end portion adapted to the inner cavity of the outer rotating rod 901, such that the inner rotating rod 902 can only move in a telescopic manner in the outer rotating rod 901 and cannot rotate relatively, a second spring 903 in a tensile state is disposed between the end portion of the inner rotating rod 902 located in the outer rotating rod 901 and the inner wall of the outer rotating rod 901, the second spring 903 functions to keep the inner rotating rod 902 in the inner rotating rod 902 without being affected by an external force, a limit ring 904 having teeth uniformly disposed on the outer side of the inner rotating rod 902, a limit groove 905 adapted to the limit ring 904 is disposed on the surface of the outer ring 302, specifically, the inner wall of the limit groove has notches 905 adapted to the teeth on the surface of the limit ring 904, when the limit ring 904 is positioned in the limit groove 905, the teeth on the surface of the limit ring 904 are inserted into the notches in the limit groove 905, so that the limit ring 904 can be fixed in the circumferential direction;

in the above embodiment, in order to facilitate the operation, one end of the inner rotating rod 902 penetrates through the limiting ring 904 to be provided with the rotating handle 660, and by pulling the rotating handle 660, the rotating handle 660 can drive the limiting ring 904 to separate from the limiting groove 905 by pulling the inner rotating rod 902 to move outwards from the outer rotating rod 901, at this time, the rotating handle 660 can be rotated, and the operating element 900 is driven to rotate by the rotating handle 660, so that the clamping member 400 can be switched between the clamping state and the loosening state.

The utility model discloses possess following work engineering: the hand-held rotating handle 660 is pulled outwards, the rotating handle 660 pulls the inner rotating rod 902 outwards from the inner part of the outer rotating rod 901, at the moment, the inner rotating rod 902 can stretch the second spring 903 and drive the limiting ring 904 to separate from the limiting groove 905, then the rotating handle 660 rotates, the rotating handle 660 drives the gear 220 to rotate through the inner rotating rod 902 and the outer rotating rod 901, at the moment, the gear 220 can drive the two racks 110 to move in a circumferential track in an opposite direction, the two racks 110 move along with the sliding groove 330 through the sliding strip 600 to drive the two guide plates 500 to move towards one side of the push rod 801, the guide plates 500 are in contact with the rotating shaft 805 and apply a thrust towards one side of the inner ring 303 to the push rod 801 through the inclined surface, the push rod 801 compresses the first spring 804 through the outer baffle 802 and the inner baffle 803 when moving towards the inner ring 303, the two push rods 801 can respectively drive the two clamping blocks 401 to approach each other, and the two clamping blocks 401 are converted into, the realization carries out the centre gripping fixed to the pillar after adjusting, after the pillar is fixed by the centre gripping, keeps turning handle 660 not to take place to rotate to the inside turning handle 660 that removes of spacing groove 905, turning handle 660 drives spacing ring 904 through interior bull stick 902 and removes to spacing groove 905, and the tooth on spacing ring 904 surface forms the block with spacing groove 905, can keep fixed gear 220, and then keeps the clamping state to the pillar.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustment mechanism for a fan strut, comprising:

the device comprises a base (300), wherein the base (300) is in a hollow cylindrical shape, an annular groove (301) is formed in one end face of the base (300), and one end of the base (300) is divided into an outer ring (302) and an inner ring (303) by the groove (301);

the clamping piece (400) comprises two clamping blocks (401) arranged on the inner side surface of the inner ring (303), the two clamping blocks (401) are symmetrically distributed, an elastic connecting piece (800) is arranged on the surface, facing the outer side of the inner cavity, of each clamping block (401), and one end of each elastic connecting piece (800) penetrates through the inner ring (303) and extends into the groove (301);

the two guide plates (500) and the two clamping blocks (401) are arranged in the groove (301) in a one-to-one correspondence mode, two sides, located in the groove (301), of the two guide plates (500) are symmetrically distributed, the two guide plates (500) are located on the same side, located in the groove (301), of the two elastic connecting pieces (800), and one ends, far away from the inner ring (303), of the two guide plates (500) are inclined towards the corresponding clamping blocks (401) respectively;

the sliding strips (600) are arc-shaped, the sliding strips (600) are symmetrically arranged at two ends of the guide plate (500), racks (110) are arranged at one ends, away from the guide plate (500), between the two sliding strips (600) corresponding to the same guide plate (500), of the two sliding strips (600), the two racks (110) are in a superposed state along the axial direction of the base (300), the two racks (110) are jointly meshed with a gear (220), the end part of the gear (220) is rotatably connected to the inner wall of the outer ring (302) through an operating part (900), and one end of the operating part (900) penetrates through the outer ring (302) and extends to the outer side of the base (300);

the cover plate (700), the end of base (300) is located in cover plate (700), the position that the apron (700) surface corresponds to recess (301) and the inside of recess (301) is equipped with the circular arc spout (330) that is of taking the form of with draw runner (600) looks adaptation, and draw runner (600) are located spout (330).

2. The fan strut adjustment mechanism of claim 1, wherein: elastic connection spare (800) are including push rod (801) that run through inner circle (303), the one end and the clamp splice (401) of push rod (801) are connected, and the other end of push rod (801) extends to in recess (301), and push rod (801) overcoat is equipped with outer baffle (802) and interior baffle (803), outer baffle (802) with be equipped with between interior baffle (803) and overlap and locate push rod (801) outer first spring (804) that are compression state, outer baffle (802) and push rod (801) fixed connection, interior baffle (803) can be in push rod (801) outside along push rod (801) axial displacement, and the inside of inner circle (303) is all located to outer baffle (802), interior baffle (803) and first spring (804).

3. The fan strut adjustment mechanism of claim 2, wherein: and a rotating shaft (805) is arranged at the end part of the push rod (801) positioned in the groove (301).

4. The fan strut adjustment mechanism of claim 1, wherein: the end of the inner ring (303) is provided with a through groove (440) used for accommodating the outer baffle (802), the inner baffle (803) and the first spring (804), the push rod (801) penetrates through the through groove (440), and the inner wall of the inner ring (303) is provided with an accommodating groove (550) communicated with one end of the through groove (440) and used for accommodating the clamping block (401).

5. The fan strut adjustment mechanism of claim 1, wherein: the operating piece (900) comprises an outer rotating rod (901) which is arranged in the outer ring (302) in a penetrating mode and provided with a cuboid inner cavity, an inner rotating rod (902) matched with the shape of the inner cavity of the outer rotating rod (901) penetrates through one end of the outer rotating rod (901), a second spring (903) in a stretching state is arranged between the end portion of the inner rotating rod (902) located in the outer rotating rod (901) and the inner wall of the outer rotating rod (901), a limiting ring (904) with teeth uniformly arranged on the surface is sleeved on the outer side of the inner rotating rod (902), and a limiting groove (905) matched with the limiting ring (904) is formed in the surface of the outer ring (302).

6. The fan strut adjustment mechanism of claim 5, wherein: one end of the inner rotating rod (902) penetrates through the limiting ring (904) to be provided with a rotating handle (660).