CN217712172U

CN217712172U - Hinge structure

Info

Publication number: CN217712172U
Application number: CN202221417458.3U
Authority: CN
Inventors: 康国源; 吴明强; 张文清
Original assignee: Zhongshan Rockwell Intelligent Technology Co ltd
Current assignee: Zhongshan Rockwell Intelligent Technology Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-01
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a hinge structure, including frame axle bed, door axle bed, hinge pin, the both ends of frame axle bed are equipped with shaft hole, lower shaft hole respectively, wherein, the downthehole cover of upper shaft is equipped with the bearing, the lower bearing is equipped with to the shaft hole endotheca, the middle part of hinge pin is connected with frame axle bed and the both ends of this hinge pin are connected through last bearing, lower bearing and last shaft hole, lower shaft hole rotation respectively and are connected. The utility model has the advantages of good use effect and long service life.

Description

Hinge structure

Technical Field

The utility model relates to a hinge field especially relates to a hinge structure.

Background

The common hinge structure mainly comprises two blades and a hinge shaft, wherein the two blades are connected through the hinge shaft, so that the two blades can rotate relatively to each other and are applied to opening or closing of a door. However, when the traditional hinge structure rotates, the friction between the two blades and the hinge shaft is hard contact friction, the friction force is large, especially when the hinge structure is used on a heavy door, the door can be rotated by using large force, the problems of abrasion of the shaft hole and the contact position, deflection jump of the hinge shaft, abnormal sound and the like are easily caused, the service effect of the hinge is poor, and the service life of the hinge is short.

How to solve the above problems is a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hinge structure that excellent in use effect, long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pair of hinge structure, including frame axle bed, door axle bed, hinge pin, the both ends of frame axle bed are equipped with shaft hole, lower shaft hole respectively, wherein, the downthehole cover of upper shaft is equipped with the bearing, the lower bearing is equipped with to the shaft hole endotheca, the middle part of hinge pin is connected with frame axle bed and the both ends of this hinge pin are connected through last bearing, lower bearing and last shaft hole, lower shaft hole rotation respectively and are connected.

The hinge shaft comprises an upper shaft and a lower shaft sleeve, wherein the upper shaft is a three-step shaft structure with the diameter sequentially reduced from top to bottom, the upper shaft hole and the upper bearing are sequentially sleeved at the upper end of the upper shaft from outside to inside, the door shaft seat is connected with the middle part of the upper shaft, and the lower shaft hole, the lower bearing and the lower shaft sleeve are sequentially sleeved at the lower end of the upper shaft from outside to inside.

Furthermore, the top of the upper shaft hole is in threaded connection with a top cover, a rotating hole is formed in the bottom surface of the top cover, and a screwing and loosening hole is formed in the top surface of the top cover.

Furthermore, the lower shaft hole is of a two-step stepped hole structure with the inner diameter gradually reduced from top to bottom, the two-step stepped hole structure comprises an upper hole and a lower groove, the lower end of the upper shaft, the lower shaft sleeve and the lower bearing are sequentially sleeved in the upper hole from inside to outside, and the outer diameter of the lower bearing is larger than the inner diameter of the lower groove.

Furthermore, the end of the upper shaft hole and the end of the lower shaft hole, which is far away from the hinge shaft, are sleeved with plane bearings, wherein the plane bearings sleeved in the upper shaft hole are positioned between the top surface of the upper bearing and the bottom surface of the top cover, the plane bearings sleeved in the lower shaft hole are positioned between the bottom surface of the lower bearing and the top surface of the lower groove, and annular gaskets are attached to two sides of the plane bearings.

Furthermore, the top surface of upper shaft is equipped with the rotary column, the rotary column is coaxial with the upper shaft and the upper end of this rotary column passes planar bearing and two gaskets and extends into the commentaries on classics hole, planar bearing, gasket, commentaries on classics hole all rotate the cover and locate the outside of rotary column.

Further, the screwing-loosening hole is a hexagon socket.

Furthermore, the door shaft seat comprises a hinge plate, a plurality of fixing holes are formed in the hinge plate, a hinge arm is connected to one side of the hinge plate, a through hole is formed in one end, far away from the hinge plate, of the hinge arm, and the through hole is in sleeve fit with the middle of the upper shaft.

Furthermore, the inner diameter of the upper bearing is 28-32 mm, and the inner diameter of the lower bearing is 23-27 mm.

Due to the adoption of the structure, the utility model discloses the beneficial effect who has as follows:

the utility model discloses a set up upper bearing and lower bearing, the middle part of hinge pin is connected with the frame pedestal and the both ends of hinge pin are through the upper bearing, lower bearing and last shaft hole, the shaft hole rotates down to be connected and forms the hinge structure that can rotation each other between door axle bed and the frame pedestal, and separate upper bearing and lower bearing between frame axle bed and the hinge pin, thereby reduced the friction between hinge pin and the frame pedestal, it is more level and smooth to make the rotation, the upper shaft hole that has reduced effectively and shaft hole wearing and tearing down, excellent in use effect and long service life.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the frame shaft seat of the present invention;

FIG. 3 is a schematic structural view of the door hinge base of the present invention;

FIG. 4 is an exploded view of the hinge shaft of the present invention;

fig. 5 is an exploded front view of the hinge shaft of 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a hinge structure, which includes a frame shaft seat 1, a door shaft seat 2, and a hinge shaft, wherein two ends of the frame shaft seat 1 are respectively provided with an upper shaft hole 11 and a lower shaft hole 12, wherein the upper shaft hole 11 is sleeved with an upper bearing 9, the lower shaft hole 12 is sleeved with a lower bearing 8, the middle of the hinge shaft is connected with the frame shaft seat 1, and two ends of the hinge shaft are respectively rotatably connected with the upper shaft hole 11 and the lower shaft hole 12 through the upper bearing 9 and the lower bearing 8. The upper bearing 9 and the lower bearing 8 are needle roller bearings and can bear radial load, the upper end of the hinge shaft and the upper shaft hole 11 are respectively sleeved on the inner side and the outer side of the upper bearing 9, the lower end of the hinge shaft and the lower shaft hole 12 are respectively sleeved on the inner side and the outer side of the lower bearing 8, and therefore friction between two shafts and the frame shaft seat is reduced, rotation is smooth, coaxiality of the hinge shaft and the frame shaft seat 1 is high, radial movement of the hinge shaft is effectively prevented, and the purpose of correcting the position relation of the door shaft seat 2 and the frame shaft seat 1 is achieved.

The utility model discloses in, the hinge pin includes upper shaft 4, lower axle sleeve 3, wherein, upper shaft 4 is the third-order ladder axle structure that diameter top-down reduced in proper order, it is by outer suit in proper order in the upper end of upper shaft 4 to go up shaft hole 11, upper bearing 9, door axle bed 2 is connected with the middle part of upper shaft 4, shaft hole 12, lower bearing 8, lower axle sleeve 3 are by outer suit in proper order in the lower extreme of upper shaft 4 down. The upper shaft 4 is a three-step stepped shaft structure with the diameter gradually reduced from top to bottom, the outer diameter of the lower shaft sleeve 3 is larger than that of the upper shaft 4, the disassembly and the assembly are convenient, the door shaft seat 2 can be clamped between the upper end of the upper shaft 4 and the lower shaft sleeve 3, and the door shaft seat 2 is prevented from axially moving.

The utility model discloses in, the top threaded connection who goes up shaft hole 11 has top cap 5, the top surface of changeing hole and this top cap 5 has been seted up to the bottom surface of top cap 5 and has been seted up wrong loose hole 51. The top cover 5 is installed in the upper shaft hole 11 through the screwing-loosening hole 51 and screwed tightly, so that the upper shaft 4 and the lower shaft sleeve 3 can be tightly pressed, and the axial runout of the hinge shaft is effectively avoided.

The utility model discloses in, lower shaft hole 12 is two steps shoulder hole structure that internal diameter top-down reduced in proper order, including last hole and lower groove, the lower extreme of upper shaft 4, lower axle sleeve 3, lower bearing 8 suit in proper order in last hole by interior to exterior, the external diameter of lower bearing 8 is greater than the internal diameter of lower groove to it is unsettled at the middle part of bearing 8 under the messenger, has reduced the area of contact of lower bearing 8 with lower shaft hole 12 bottom surface effectively, plays the effect of the friction between lower bearing 8 and the lower groove top surface that falls.

The utility model discloses in, the one end of keeping away from the hinge pin in last shaft hole 11, lower shaft hole 12 all overlaps and is equipped with flat bearing 6, wherein, the suit is in go up flat bearing 6 in shaft hole 11 and be located between the top surface of upper bearing 9 and the bottom surface of top cap 5, the suit is in flat bearing 6 in lower shaft hole 12 is located between the bottom surface of lower bearing 8 and the top surface in lower groove, and, annular gasket 7 has all been put in flat bearing 6's both sides. The upper side and the lower side of the plane bearing 6 sleeved in the upper shaft hole 11 are respectively attached to the top surface of the upper shaft 4 and the bottom surface of the top cover 5 through gaskets 7, and the upper side and the lower side of the plane bearing 6 sleeved in the lower shaft hole 12 are respectively attached to the bottom surface of the lower bearing 8 and the top surface of the lower groove through gaskets 7; the plane bearing 6 is a plane needle bearing and is used for bearing axial load, so that the friction force between two ends of the hinge shaft and the upper shaft hole 11 and the lower shaft hole 12 can be reduced, and the rotation is smoother; the gasket 7 is used for reducing the abrasion on the top surface of the upper shaft 4, the bottom surface of the top cover 5, the bottom surface of the lower shaft sleeve 3 and the top surface of the lower groove when the roller needles of the plane bearing 6 rotate.

In the utility model, the top surface of the upper shaft 4 is provided with the rotary column 41, the rotary column 41 is coaxial with the upper shaft 4, the upper end of the rotary column 41 passes through the plane bearing 6 and the two gaskets 7 and extends into the rotary hole, the top surface of the rotary column 41 is not contacted with the bottom wall of the rotary hole, and the friction between the rotary column 41 and the rotary hole is effectively reduced; the plane bearing 6, the gasket 7 and the rotary hole are all rotatably sleeved on the outer side of the rotary column 41, so that plane deviation of the plane bearing 6 and the two gaskets 7 can be avoided.

The utility model discloses in, twist loose hole 51 and be interior hexagonal hole, accessible allen key rotates top cap 5, conveniently dismantles top cap 5 or installs the top in last shaft hole 11.

The utility model discloses in, door axle bed 2 includes hinge plate 21, the one side of having seted up a plurality of fixed orifices 24 and this hinge plate 21 on the hinge plate 21 is connected with the pivoted arm 22, the one end that the hinged arm 22 was kept away from hinge plate 21 has seted up through-hole 23, the cooperation is cup jointed at the middle part of through-hole 23 and upper shaft 4. The fixing hole 24 is used for a screw to pass through so as to install the door shaft seat 2 on the door; the through hole 23 is in interference fit with the middle part of the upper shaft 4, so that relative rotation between the door shaft seat 2 and the upper shaft 4 is avoided, and the rotation between the frame shaft seat 1 and the door shaft seat 2 is ensured to be realized through the relative rotation between the hinge shaft and the upper bearing 9 and the lower bearing 8.

The utility model discloses in, the internal diameter of upper bearing 9 is 28 ~ 32mm, the internal diameter of lower bearing 8 is 23 ~ 27mm. For example, the inner diameter of the upper bearing 9 is 28mm or 30mm or 32mm, and the inner diameter of the lower bearing 8 is 23mm or 25mm or 27mm.

The utility model discloses when using, the lower extreme of upper shaft 4, lower axle sleeve 3, lower bearing 8 is by interior suit outside to in proper order in the upper hole, the upper end of upper shaft 4, upper bearing 9 is by interior suit outside to in proper order in upper shaft hole 11, and, door shaft base 2 cup joints through-hole 23 and the middle part of upper shaft 4, at a pivoted in-process, it is fixed to keep between door shaft base 2 and the hinge pin, the hinge pin passes through upper bearing 9 at its both ends, relative rotation takes place with frame axle bed 1 for lower bearing 8, thereby avoid between door axle bed 2 and the hinge pin, take place hard contact friction between hinge pin and the frame axle bed 1, reduce wearing and tearing effectively and avoided the hinge pin skew to beat, excellent in use effect and long service life.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A hinge structure comprises a frame shaft seat (1), a door shaft seat (2) and a hinge shaft; the method is characterized in that: the frame shaft seat is characterized in that an upper shaft hole (11) and a lower shaft hole (12) are respectively arranged at two ends of the frame shaft seat (1), an upper bearing (9) is sleeved in the upper shaft hole (11), a lower bearing (8) is sleeved in the lower shaft hole (12), the middle of the hinge shaft is connected with the frame shaft seat (1), and two ends of the hinge shaft are respectively rotatably connected with the upper shaft hole (11) and the lower shaft hole (12) through the upper bearing (9) and the lower bearing (8).

2. A hinge construction according to claim 1, characterized in that: the hinge shaft comprises an upper shaft (4) and a lower shaft sleeve (3), wherein the upper shaft (4) is a three-step shaft structure with the diameter reduced from top to bottom, the upper shaft hole (11) and the upper bearing (9) are sequentially sleeved at the upper end of the upper shaft (4) from outside to inside, the door shaft seat (2) is connected with the middle part of the upper shaft (4), and the lower shaft hole (12), the lower bearing (8) and the lower shaft sleeve (3) are sequentially sleeved at the lower end of the upper shaft (4) from outside to inside.

3. A hinge construction according to claim 2, wherein: the top threaded connection who goes up shaft hole (11) has top cap (5), the bottom surface of top cap (5) has been seted up and has been changeed the hole and the top surface of this top cap (5) has been seted up and has been twisted loose hole (51).

4. A hinge construction according to claim 3, characterized in that: lower shaft hole (12) are two-step stepped hole structure that internal diameter top-down shrank in proper order, including last hole and lower groove, the lower extreme of upper shaft (4), lower axle sleeve (3), lower bearing (8) suit from inside to outside in proper order in last hole, the external diameter of lower bearing (8) is greater than the internal diameter of groove down.

5. A hinge construction according to claim 4, characterized in that: go up shaft hole (11), the one end of keeping away from the hinge pin in shaft hole (12) down all overlaps and is equipped with flat bearing (6), wherein, the suit is in last shaft hole (11) in flat bearing (6) are located between the top surface of upper bearing (9) and the bottom surface of top cap (5), the suit is in down shaft hole (12) in flat bearing (6) are located between the bottom surface of lower bearing (8) and the top surface in groove, and, annular gasket (7) have all been posted to the both sides of flat bearing (6).

6. A hinge construction according to claim 5, wherein: the top surface of upper shaft (4) is equipped with rotary column (41), rotary column (41) and upper shaft (4) are coaxial and the upper end of this rotary column (41) passes flat face bearing (6) and two gaskets (7) and extends into the commentaries on classics hole, flat face bearing (6), gasket (7), commentaries on classics hole all rotate the cover and locate the outside of rotary column (41).

7. A hinge construction according to any one of claims 3 to 6, wherein: the screwing and loosening hole (51) is a hexagon socket.

8. A hinge construction according to any one of claims 2 to 6, wherein: the door shaft seat (2) comprises a hinge plate (21), a plurality of fixing holes (24) are formed in the hinge plate (21), a hinge arm (22) is connected to one side of the hinge plate (21), a through hole (23) is formed in one end, away from the hinge plate (21), of the hinge arm (22), and the through hole (23) is matched with the middle of the upper shaft (4) in a sleeved mode.

9. A hinge construction according to any one of claims 1 to 6, wherein: the inner diameter of the upper bearing (9) is 28-32 mm, and the inner diameter of the lower bearing (8) is 23-27 mm.