CN111166025B

CN111166025B - Rotating mechanism facilitating rotation of umbrella fabric

Info

Publication number: CN111166025B
Application number: CN202010196034.8A
Authority: CN
Inventors: 泮礼礼
Original assignee: Linhai Dongcheng Umbrella Auxiliary Material Factory
Current assignee: Linhai Dongcheng Umbrella Auxiliary Material Factory
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-03
Anticipated expiration: 2040-03-19
Also published as: CN111920161B; CN111166025A; CN111920161A

Abstract

The invention relates to a rotating mechanism convenient for rotation of an umbrella cover, which belongs to the technical field of sunshade umbrellas and comprises a rotating core, a shell and a handle, wherein one end of the rotating core is arranged in the shell, the handle is arranged on the outer wall of the shell, a locking tooth is arranged on the handle, the locking tooth penetrates through the outer wall of the shell and acts on the rotating core, the parts of the rotating core, which are positioned in the shell, are a supporting part, a locking part and a sealing end cover respectively, the supporting part and the sealing end cover are used as a stress point for rotation of the rotating core and are butted with the shell, the locking part is provided with a positioning tooth. The oil line groove or the blind hole with the oil storage function is used as a stress supporting point, so that the rotary core is rotatably supported, the production cost is saved, and the manufacturing process is simplified; under the restriction that does not have bearing mounted position, the interval of two atress strong points on the commentaries on classics core can increase, and is more stable, firm to the support of changeing the core, makes the rotation of changeing the core more steady.

Description

Rotating mechanism facilitating rotation of umbrella fabric

Technical Field

The invention belongs to the technical field of sunshade umbrellas, and particularly relates to a rotating mechanism convenient for umbrella surface rotation.

Background

The sun umbrella is widely applied to daily life of people, and when the sun umbrella is used, the angle of sunlight changes due to the movement of the sun, and the aim of effectively shading the sun can be achieved only by correspondingly adjusting the inclination angle of the umbrella cover of the sun umbrella.

Patent publication No. CN108477784A discloses a device for adjusting the angle of a canopy, and as shown in FIG. 1, this publication describes that when a transfer shaft is connected to a housing and relatively rotated, bearings mounted at two positions of the transfer shaft are used

And

as a support. The machining precision of the bearing installation part is improved, and the process difficulty is increased. And the adapter shaft can be subjected to rust-proof treatment, the surface is subjected to plastic spraying, after the plastic spraying, the bearing mounting part needs to be subjected to secondary processing, so that the bearing can be mounted, the whole production process is relatively complicated, the cost is overhigh, and the after-sale maintenance cost is high.

In addition, in the above document, the mounting position of the bearing is the stress point of the adapter shaft, and the two stress points are too close to each other to provide stable support for the adapter shaft, and shake is easily generated during operation, which results in weak fixing strength and poor stability of the whole adjusting device.

Disclosure of Invention

The invention aims to provide the rotating mechanism which is convenient to install and maintain, low in production cost and high in stability and facilitates the rotation of the umbrella cover.

The purpose of the invention is realized as follows: the utility model provides a rotary mechanism convenient to umbrella face pivoted, includes core, shell and handle, the one end of changeing the core is installed in the shell, but both mutual rotations, the handle is installed in the outer wall of shell, is provided with the lock tooth on hand, the lock tooth passes the outer wall of shell and acts on changeing the core, wherein, the part that changes the core and is located the shell is supporting part, locking portion and end cover respectively, and the supporting part is located the end of changeing the core, and locking portion is close to end cover, supporting part and end cover butt joint with the shell as changeing core pivoted atress point to support changeing the core through supporting part and end cover and rotate, locking portion is provided with the location tooth, and when the handle locks, lock tooth and location tooth meshing, when loosening the handle, lock tooth and location tooth separation, but core and shell mutual rotation.

Further optimize, be provided with round oil line groove I on the supporting part, end cover's lateral wall is provided with round oil line groove II, oil line groove I and II intussuseptions of oil line groove are filled with high temperature lubricating grease. Traditional bearing is replaced to oil line groove I and oil line groove II, and as the atress strong point, the support changes the core and rotates, and high temperature lubricating oil plays lubricated and sealed effect, prevents to change core and shell and wearing and tearing each other.

Further optimize, all be provided with ring type seal in oil line groove I and the oil line groove II, be provided with the steel ring in the ring type seal, the cross section of ring type seal and steel ring all is the U type, and the intensity and the rigidity of steel ring can prevent ring type seal and warp, avoid the leakproofness to reduce, all be provided with the transversal trapezoidal recess of personally submitting on two terminal surfaces of ring type seal, be provided with in the recess with trapezoidal recess assorted sealing strip, high temperature lubricating grease fill in the ring type seal. The sealing strip can strengthen the leakproofness of ring type seal, prevents that high temperature lubricating grease from leaking.

Further optimizing, the inner concave depth of the annular sealing ring is H1, and the wall thickness is B1; the distance between the upper end surface of the steel ring and the upper end surface of the annular sealing ring is H2, H2= H1/4, the wall thickness is B2, and B2= B1/3; the height of the sealing strip is H3, H3= H1/8.

Further optimize, be provided with round blind hole I on the supporting part, end cover's lateral wall is provided with round blind hole II, and every blind hole I and blind hole II all fill has high temperature lubricating grease.

Further optimize, all be provided with the sealing ring in blind hole I and the blind hole II, be provided with annular bush in the sealing ring, the terminal surface of sealing ring is provided with the transversal trapezoidal mounting groove of personally submitting, be provided with in the mounting groove with trapezoidal mounting groove assorted rubber ring, high temperature lubricating grease fills in the sealing ring.

Further preferably, the depth of the sealing ring is h1, and the wall thickness is b 1; the distance between the upper end surface of the annular bushing and the upper end surface of the sealing ring is h2, h2= h1/4, the wall thickness is b2, and b2= b 1/3; the height of the rubber ring is h3, and h3= h 1/8.

Further optimize, the part that changes the core and be located the shell still includes spacing portion, be provided with the lug in the spacing portion, in the shell, be provided with and be used for supporting the base of supporting part, the terminal surface of base is provided with fan-shaped breach, the lug is in fan-shaped breach internal rotation.

Further preferably, the outer wall of the shell is provided with a support, the handle is hinged to the support, the middle of the handle is provided with a bent arc, the tail portion of the handle is higher than the front portion of the handle, the middle of the handle is provided with a buffering fulcrum, and the tail portion of the handle is further provided with a protective sleeve.

Further preferably, the surface of the part of the shell, which is contacted with the supporting part of the rotary core and the sealing end cover, is smooth.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that: the rotary core cancels a bearing as a rotary supporting component, and adopts an oil line groove or a blind hole with an oil storage function as a stress supporting point to provide rotary support for the rotary core, thereby saving the production cost and simplifying the manufacturing process; under the condition that the bearing installation position is not limited, the distance between two stress supporting points on the rotating core can be increased, the rotating core is more stably and firmly supported, and the rotating core rotates more stably; in addition, all carried out the processing of strengthening the leakproofness to oil line groove or blind hole, avoided lubricating grease's leakage and reduce, prevent that the lubricity from reducing, lead to changeing core and shell wearing and tearing each other.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration of the present invention;

FIG. 2 is a schematic perspective view of the housing of the present invention;

FIG. 3 is a schematic top view of the housing of the present invention;

FIG. 4 is a schematic cross-sectional view taken at A-A in FIG. 3;

FIG. 5 is a schematic perspective view of a rotary core in example 1 of the present invention;

FIG. 6 is a schematic perspective view of a rotary core in example 2 of the present invention;

FIG. 7 is a schematic sectional view of an annular seal ring in example 2 of the present invention;

FIG. 8 is a schematic perspective view of a rotary core in example 3 of the present invention;

FIG. 9 is a schematic sectional view of a seal ring in embodiment 3 of the invention;

FIG. 10 is a perspective view of the handle of the present invention;

FIG. 11 is a schematic perspective view of a glove on a handle according to the present invention;

in the figure: 10-rotating core, 11-shell, 12-handle, 101-supporting part, 1011-oil line groove I, 102-locking part, 1021-positioning tooth, 103-sealing end cover, 1031-oil line groove II, 131-annular sealing ring, 132-steel ring, 133-groove, 134-sealing strip, 1012-blind hole I, 1032-blind hole II, 141-sealing ring, 142-annular bushing, 143-mounting groove, 144-rubber ring, 104-limiting part, 1041-lug, 111-bracket, 112-base, 113-fan-shaped notch, 121-locking tooth, 122-buffer fulcrum, 123-protective glove, 114-shell inner surface A, 115-shell inner surface B.

Detailed Description

The invention will be further described in the following detailed description of embodiments thereof with reference to the accompanying drawings, in which reference is made to figures 1 to 11: the utility model provides a rotary mechanism convenient to umbrella face pivoted, includes changes core 10, shell 11 and handle 12, and the three adopts metal material or high strength plastics material preparation to form, changes core 10 and shell 11 and is hollow structure, and both pass through umbrella rope or other elastic rope, and both take-up connections after running through. One end of the rotary core 10 is installed in the casing 11, the two can rotate with each other, the outer wall of the casing 11 is provided with a bracket 111, the handle 12 is hinged on the bracket 111, the handle 12 is provided with a locking tooth 121, the locking tooth 121 penetrates through the outer wall of the casing 11 and acts on the rotary core 10, wherein, the parts of the rotary core 10 located in the casing 11 are respectively a supporting part 101, a locking part 102 and a sealing end cover 103, the supporting part 101 is located at the tail end of the rotary core 10, the locking part 102 is close to the sealing end cover 103, the supporting part 101 and the sealing end cover 103 are used as the stress point of the rotary core 10 rotating and are butted with the casing, and the rotary core 10 is supported by the supporting part 101 and the sealing end cover 103 to rotate, the locking part 102 is provided with a positioning tooth 1021, the locking tooth 121 on the handle 12 acts on the positioning tooth 1021, when the handle 12 is locked, the locking tooth 121 is engaged with the positioning tooth 1021, and when the, the rotating core 10 and the outer shell 11 can rotate mutually, thereby adjusting the angle of the umbrella cover.

As shown in fig. 5, the portion of the rotary core 10 located in the housing 11 further includes a limiting portion 104, a protruding block 1041 is disposed on the limiting portion 104, a base 112 for supporting the supporting portion 101 is disposed in the housing 11, a fan-shaped notch 113 is disposed on an end surface of the base 112, and the protruding block 1041 rotates in the fan-shaped notch 113. In the process of actual sunshade, the adjusting range of the angle of the umbrella cover is not large, and the sunshade can be realized only by rotating the umbrella cover within a certain range according to the law that the sun rises and falls, so that the umbrella cover is conveniently and quickly adjusted to a proper position through the limiting matching of the convex block and the fan-shaped notch.

As shown in fig. 10-11, the middle of the handle 12 is arranged in a curved arc, so that the tail part of the handle is higher than the front part, the middle of the handle is provided with a buffering fulcrum 122, and the tail part of the handle 12 is also provided with a protective glove 123. The design of camber has increased the distance between handle afterbody and the shell, and during the operation, the handle can be held to the hand very conveniently, and the effect of buffering the fulcrum can avoid the handle to press from both sides in one's hands when the lock is locked moreover, prevents to be injured, is provided with many concave points on the hand protector cover, can increase frictional force, and is more stable when the hand is held to the hand operation.

Aiming at the scheme that a bearing is not used as a support in the rotary core, the invention provides the following three embodiments.

Example 1

As shown in fig. 5, a circle of oil line groove i 1011 is arranged on the supporting portion 101, a circle of oil line groove ii 1031 is arranged on the side wall of the sealing end cover 103, high-temperature lubricating grease is filled in the oil line groove i 1011 and the oil line groove ii 1031, the high-temperature grease is in a solidification state at ordinary times, and when the rotating mechanism operates, mechanical energy is converted into heat energy, so that the grease is in a molten state, and a lubricating effect is achieved. The oil line groove I1011 and the oil line groove II 1031 replace traditional bearings and serve as stress supporting points to support the rotary core 10 to rotate, the inner surface A114 of the shell on the shell 11 corresponds to the oil line groove II 1031, the inner surface B115 of the shell corresponds to the oil line groove I1011, the surfaces of the inner surface A114 of the shell and the inner surface B115 of the shell are smooth, a layer of oil film can be formed on the surface of the inner surface A of the shell and the surface of the inner surface B of the shell by high-temperature lubricating oil, the lubricating and sealing effects are achieved, and the rotary core and the shell are prevented from being abraded mutually.

Example 2

As shown in fig. 6-7, all be provided with ring packing 131 in oil line groove i 1011 and the oil line groove ii 1031, ring packing 131 adopts the preparation of rubber material to form, be provided with steel ring 132 in the ring packing 131, ring packing 131 and the cross section of steel ring 132 all are the U type, and the intensity and the rigidity of steel ring 132 can prevent that ring packing warp, avoid the leakproofness to reduce, all be provided with transversal trapezoidal recess 133 of personally submitting on two terminal surfaces of ring packing 131, be provided with in the recess 133 with trapezoidal recess assorted sealed 134, sealing strip 134 adopts the rubber materials preparation to form equally, high temperature lubricating grease fill in the ring packing. The sealing strip can strengthen the leakproofness of ring type seal, prevents that high temperature lubricating grease from leaking.

As shown in fig. 7, the annular sealing ring 131 has a concave depth H1 and a wall thickness B1; the distance between the upper end surface of the steel ring 132 and the upper end surface of the annular sealing ring is H2, H2= H1/4, the wall thickness is B2, and B2= B1/3; the height of the steel ring is designed to be lower than that of the annular sealing ring, and the annular sealing ring can generate tiny deformation when moving along with the rotating core, so that the contact strength between the annular sealing ring and the inner surface A and the inner surface B of the shell is enhanced, and the sealing performance is improved. The height of the sealing strip is H3, H3= H1/8, and the compression deformation energy of the annular sealing ring is consumed in the form of friction heat energy through the interaction of the sealing strip and the annular sealing ring, so that the deformation of the annular sealing ring is reduced.

During the actual assembly process, a thin layer of grease may be applied to the inner surface a of the housing and the inner surface B of the housing.

Example 3

As shown in fig. 8, a circle of blind holes i 1012 are formed in the supporting portion 101, the intervals between the blind holes i 1012 are the same, a circle of blind holes ii 1032 are formed in the side wall of the end cover 103, and the intervals between the blind holes ii 1032 are the same.

All be provided with sealing ring 141 in blind hole I1012 and blind hole II 1032, sealing ring 141 adopts the preparation of rubber material to form, be provided with annular bush 142 in the sealing ring 141, annular bush is the metal material, and annular bush 142's intensity and rigidity can prevent that sealing ring 141 from warping, avoid the leakproofness to reduce, sealing ring 141's terminal surface is provided with transversal trapezoidal mounting groove 143 of personally submitting, be provided with in the mounting groove 143 with trapezoidal mounting groove assorted rubber ring 144, rubber ring 144 adopts the preparation of rubber material to form, high temperature lubricating grease fills in sealing ring 141. When rotating core 10 rotates, blind hole I and blind hole II can constantly compensate high temperature lubricating grease under the dynamic friction state, the reservation of blind hole I and blind hole II to high temperature lubricating grease under the static friction state has also been guaranteed simultaneously, high temperature lubricating grease when the friction takes place to produce, can produce more permanent and more firm compound solid lubricating film on the surface of shell internal surface A114 and shell internal surface B115, furthest has blocked the direct friction between rotating core 10 and the shell 11 friction surface, thereby the wearing and tearing have been reduced, the service life is prolonged, its sealing function has effectively ensured.

As shown in fig. 9, the sealing ring 141 has a depth h1 and a wall thickness b 1; the distance between the upper end surface of the annular bushing 142 and the upper end surface of the sealing ring is h2, h2= h1/4, the wall thickness is b2, and b2= b 1/3; the height of the annular bushing is designed to be lower than that of the sealing ring, and the sealing ring can generate tiny deformation when moving along with the rotating core through the design, so that the contact strength between the sealing ring and the inner surface A and the inner surface B of the shell is enhanced, and the sealing performance is improved. The height of the rubber ring is h3, and h3= h 1/8. By the interaction of the rubber ring 144 and the seal ring 141, the compression deformation energy of the seal ring is consumed in the form of frictional heat energy, and the deformation of the seal ring 141 is reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a rotary mechanism convenient to umbrella face pivoted, includes core (10), shell (11) and handle (12) of changeing, the one end of core (10) is installed in shell (11), install in the outer wall of shell (11) handle (12), be provided with lock tooth (121) on handle (12), lock tooth (121) pass the outer wall of shell and act on the core of changeing its characterized in that: the part of the rotating core, which is positioned in the shell, is respectively a supporting part (101), a locking part (102) and a sealing end cover (103), the supporting part (101) and the sealing end cover (103) are used as stress points of the rotating core (10) to be butted with the shell (11), the locking part (102) is provided with positioning teeth (1021), and when the handle (12) is locked, the locking teeth (121) are meshed with the positioning teeth (1021);

a circle of oil line grooves I (1011) are formed in the supporting portion (101), a circle of oil line grooves II (1031) are formed in the side wall of the sealing end cover (103), and high-temperature lubricating grease is filled in the oil line grooves I and the oil line grooves II;

annular sealing rings (131) are arranged in the oil line grooves I (1011) and the oil line grooves II (1031), steel rings (132) are arranged in the annular sealing rings (131), the cross sections of the annular sealing rings and the steel rings are U-shaped, grooves (133) with trapezoidal cross sections are formed in two end faces of each annular sealing ring, sealing strips (134) matched with the trapezoidal grooves are arranged in the grooves (133), and high-temperature lubricating grease is filled in the annular sealing rings;

the annular sealing ring (131) is H1 in concave depth and B1 in wall thickness; the distance between the upper end face of the steel ring (132) and the upper end face of the annular sealing ring is set to be H2, H2= H1/4, the wall thickness is B2, and B2= B1/3; the height of the sealing strip (134) is H3, H3= H1/8;

the part of the rotating core, which is positioned in the shell, further comprises a limiting part (104), a convex block (1041) is arranged on the limiting part (104), a base (112) used for supporting the supporting part (101) is arranged in the shell, a fan-shaped notch (113) is arranged on the end face of the base (112), and the convex block (1041) rotates in the fan-shaped notch (113).

2. A rotation mechanism to facilitate rotation of a canopy according to claim 1, wherein: the outer wall of shell is provided with support (111), handle (12) articulate on support (111), the centre of handle sets up to the camber, makes the handle afterbody be higher than the front portion, and the centre of handle is provided with buffering fulcrum (122), the afterbody of handle still is provided with gloves (123).

3. A rotation mechanism to facilitate rotation of a canopy according to claim 1 or 2, wherein: the surface of the shell contacted with the supporting part of the rotary core and the sealing end cover is smooth.