CN213449912U

CN213449912U - Plane type hinge

Info

Publication number: CN213449912U
Application number: CN202021719847.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Zunde Hardware Products Co ltd
Current assignee: Shenzhen Zunde Hardware Products Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-15
Anticipated expiration: 2030-08-18

Abstract

The utility model belongs to the technical field of the hinge, a plane hinge is disclosed, including first articulated elements, second articulated elements and dabber, first articulated elements include first articulated piece and with the first reel that the one end of first articulated piece links to each other, be equipped with the first perforation that runs through on the first reel, the second articulated elements include the articulated piece of second and with the second reel that the one end of the articulated piece of second links to each other, the one end of dabber is equipped with first spacing portion, the other end of dabber is equipped with the spacing portion of second, the dabber with first reel rotates and links to each other, the dabber with the second reel rotates and links to each other, first spacing portion with the spacing portion of second is for being by the tip of first reel curls the upset and forms. Compared with the prior art, the utility model discloses a structure to the articulated elements is improved, when guaranteeing the machining precision, has reduced the processing cost, and the hinge rotates in a flexible way, stable performance, reliable.

Description

Plane type hinge

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the hinge, especially, relate to a plane hinge.

[ background of the invention ]

Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between them. Planar hinge among the correlation technique includes first articulated piece, articulated piece of second and dabber, first hinge piece divide into welded fastening structure and riveting fixed knot structure with dabber fixed knot, when first hinge piece and dabber fixed knot structure are welded fastening's structure, it is not enough to lie in, because the welding is special work kind, and need wash after-process processing such as polishing after the welding, consequently, the cost of manufacture is higher, and adopt tip welded structure, the steadiness is poor, when the hinge of this kind of structure is applied to door and window, receive the effect of door and window switch impact force for a long time, the easy risk of desoldering appears. When the first hinge piece and the mandrel are of a structure with a fixed riveting point, the first hinge piece and the mandrel are not enough to be connected in the radial direction of the mandrel through a riveting piece. The structure has the defects that after riveting, the hinge is easy to deform, so that the whole flatness of the hinge is low, the requirement of a product cannot be met, and the hinge cannot rotate flexibly.

Therefore, there is a need to provide a new planar hinge to solve the above-mentioned technical problems.

[ Utility model ] content

The utility model discloses the technical problem that needs to solve is: provides a plane type hinge, which has low manufacturing cost, stable structure, high forming precision and flexible rotation.

In order to achieve the above technical effects, the present invention provides a planar hinge, comprising a first hinge member, a second hinge member and a mandrel, wherein the first hinge member comprises a first hinge sheet and a first winding drum connected to one end of the first hinge sheet, the first winding drum is provided with a first through hole penetrating therethrough, the second hinge member comprises a second hinge sheet and a second winding drum connected to one end of the second hinge sheet, the second winding drum is provided with a second through hole penetrating therethrough, the mandrel penetrates through the first through hole and the second through hole simultaneously, wherein one end of the mandrel is provided with a first limiting portion, the other end of the mandrel is provided with a second limiting portion, the first limiting portion and the second limiting portion are used for preventing the mandrel from being disengaged along the axis direction of the mandrel, the mandrel is connected to the first winding drum in a rotating manner, the mandrel is connected to the second winding drum in a rotating manner, the first limiting part is formed by curling and turning over one end part of the first winding drum; the second limiting part is formed by curling and turning the other end part of the first winding drum.

Preferably, one end of the first winding drum is provided with a first groove which is formed by sinking and communicated with the first through hole, the other end of the first hinge part is provided with a second groove which is formed by sinking and communicated with the first through hole, one end of the first limiting part is connected with the groove bottom of the first groove, and one end of the second limiting part is connected with the groove bottom of the second groove.

Preferably, the first limiting portion includes an arc-shaped first connecting plate and a flat-shaped first limiting plate connected to the first connecting plate, one end of the first connecting plate, which is far away from the first limiting plate, is connected to the first reel, and the first limiting plate is accommodated in the first groove.

Preferably, the second limiting portion includes a second connecting plate in an arc plate shape and a second limiting plate in a flat plate shape connected to the second connecting plate, one end of the second connecting plate, which is far away from the second limiting plate, is connected to the first reel, and the second limiting plate is accommodated in the second groove.

Preferably, the first limiting plate is parallel to the end face of the mandrel.

Preferably, the first limiting part and the second limiting part are symmetrical structures.

Preferably, the first limiting part, the first winding drum and the second limiting part are of an integral structure.

Preferably, the first hinge plate and the first winding drum are of an integral structure, and the second hinge plate and the second winding drum are of an integral structure.

Preferably, the first hinge piece is rectangular and flaky, and a mounting hole penetrating through the first hinge piece is formed in the first hinge piece; the second hinged sheet is rectangular sheet-shaped, and the second hinged sheet is provided with a mounting hole penetrating through the second hinged sheet.

Preferably, the first hinge member, the second hinge member and the mandrel are all made of a metal material.

Compared with the prior art, the utility model relates to a plane hinge improves through the structure to the articulated elements, when guaranteeing the machining precision, has reduced the processing cost, and the hinge rotates in a flexible way, stable performance, reliable.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:

fig. 1 is a front view of a planar hinge according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a perspective view of the planar hinge according to the present invention in one direction.

Fig. 4 is a perspective view of the flat hinge according to another aspect of the present invention.

In the figure:

1. the hinge assembly comprises a first hinge piece, 2, a second hinge piece, 3, a mandrel, 4, a mounting hole, 11, a first hinge piece, 12, a first winding drum, 13, a first limiting part, 14, a second limiting part, 121, a first through hole, 21, a second hinge piece, 22, a second winding drum, 221, a second through hole, 15, a first groove, 16, a second groove, 131, a first connecting plate, 132, a first limiting plate, 141, a second connecting plate and 142, and a second limiting plate.

[ detailed description ] embodiments

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 belong to the protection scope of the present invention.

Referring to fig. 1-4, a planar hinge includes a first hinge member 1, a second hinge member 2 and a mandrel 3, the first hinge member 1 includes a first hinge plate 11 and a first winding drum 12 connected to one end of the first hinge plate 11, the first winding drum 12 is provided with a first through hole 121 penetrating therethrough, the second hinge member 2 includes a second hinge plate 21 and a second winding drum 22 connected to one end of the second hinge plate 21, the second winding drum 22 is provided with a second through hole 221 penetrating therethrough, the mandrel 3 simultaneously penetrates through the first through hole 121 and the second through hole 221, wherein one end of the mandrel 3 is provided with a first limiting portion 13, the other end of the mandrel 3 is provided with a second limiting portion 14, the first limiting portion 13 and the second limiting portion 14 are used for preventing the mandrel 3 from coming off along its own axial direction, the mandrel 3 is rotatably connected to the first winding drum 12, the mandrel 3 is rotatably connected to the second winding drum 22, the first limiting part 13 is formed by curling and turning over one end part of the first winding drum 12; the second stopper 14 is formed by curling and inverting the other end of the first reel 12. The first hinge plate 11 and the first bobbin 12 are of an integral structure, and the second hinge plate 21 and the second bobbin 22 are of an integral structure. The first hinging sheet 11 is rectangular sheet-shaped, and the first hinging sheet 11 is provided with a mounting hole 4 penetrating through the first hinging sheet; the second hinge piece 21 is rectangular and sheet-shaped, and the second hinge piece 21 is provided with a mounting hole 4 penetrating through the second hinge piece. The first articulation 1, the second articulation 2 and the spindle 3 are all made of a metallic material. The first position-limiting portion 13, the first bobbin 12 and the second position-limiting portion 14 are of an integral structure.

In order to realize that the mandrel 3 is respectively connected with the first hinge part 1 and the second hinge part 2, in the embodiment, a structure that the mandrel 3 and the first hinge part 1 are fixed by welding or riveting in the related art is abandoned, and a structure that the mandrel 3 and the first hinge part 1 are connected in a rotating manner is adopted. The structure adopted by the planar hinge in the present embodiment is: the mandrel 3 is rotatably connected to the first reel 12 and the mandrel 3 is rotatably connected to the second reel 22. In order to realize the structure, after the mandrel 3 passes through the first through hole 121 and the second through hole 221, the end part limitation is realized by the second limiting part 14 and the first limiting part 13, and the second limiting part 14 and the first limiting part 13 respectively block two ends of the mandrel 3, so that the mandrel 3 can be effectively prevented from being separated.

During specific processing and manufacturing, the two end parts of the first winding drum 12 are respectively provided with a convex material, the convex material is turned up through the tool clamp to wrap the mandrel 3, the end part of the mandrel 3 is blocked, and a first limiting part 13 and a second limiting part 14 are formed. During the stirring, the power of frock clamp acts on the tip of first reel 12 along the axis, and first articulated piece 11 and the articulated piece 21 of second are not stressed, can not lead to the fact the influence to the plane degree of first articulated piece 11 and the articulated piece 21 of second. Consequently, do benefit to and guarantee the machining precision, adopt the utility model discloses a structure, dabber 3 are not riveted or welded fastening, all have the clearance between dabber 3 and first articulated elements 1, the second articulated elements 2, further guarantee hinge pivoted flexibility. In addition, the first limiting part 13 and the second limiting part 14 are integrated structures connected with the first reel 12, corresponding post-treatment is not needed after assembly, machining cost is reduced, no desoldering risk exists after assembly, and product performance is stable and reliable.

More specifically, one end of the first reel 12 is provided with a first groove 15 recessed and communicating with the first through hole 121, the other end of the first hinge member 1 is provided with a second groove 16 recessed and communicating with the first through hole 121, one end of the first stopper 13 is connected to the bottom of the first groove 15, and one end of the second stopper 14 is connected to the bottom of the second groove 16. The first position-limiting portion 13 includes a first connecting plate 131 having an arc plate shape and a first position-limiting plate 132 having a flat plate shape and connected to the first connecting plate 131, one end of the first connecting plate 131 away from the first position-limiting plate 132 is connected to the first bobbin 12, and the first position-limiting plate 132 is received in the first groove 15. The second stopper portion 14 includes a second connection plate 141 having an arc plate shape and a second stopper plate 142 having a flat plate shape and connected to the second connection plate 141, one end of the second connection plate 141 remote from the second stopper plate 142 is connected to the first bobbin 12, and the second stopper plate 142 is accommodated in the second groove 16. The first limit plate 132 is parallel to the end surface of the spindle 3. The first and second position-limiting

portions

13 and 14 are symmetrical. The first groove 15 and the second groove 16 are used for accommodating the first limiting part 13 and the second limiting part 14 respectively, so that the first limiting part 13 and the second limiting part 14 can be prevented from protruding, and the compactness and the safety of a product can be improved.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A planar hinge comprises a first hinge piece, a second hinge piece and a mandrel, wherein the first hinge piece comprises a first hinge piece and a first winding drum connected with one end of the first hinge piece, a first perforation penetrating through the first winding drum is arranged on the first winding drum, the second hinge piece comprises a second hinge piece and a second winding drum connected with one end of the second hinge piece, a second perforation penetrating through the second winding drum is arranged on the second winding drum, the mandrel penetrates through the first perforation and the second perforation simultaneously, the planar hinge is characterized in that one end of the mandrel is provided with a first limiting part, the other end of the mandrel is provided with a second limiting part, the first limiting part and the second limiting part are used for preventing the mandrel from being separated from the axis direction of the mandrel, the mandrel is rotationally connected with the first winding drum, and the mandrel is rotationally connected with the second winding drum, the first limiting part is formed by curling and turning over one end part of the first winding drum; the second limiting part is formed by curling and turning the other end part of the first winding drum.

2. The planar hinge of claim 1, wherein one end of the first barrel is formed with a first groove recessed and communicating with the first through hole, the other end of the first hinge member is formed with a second groove recessed and communicating with the first through hole, one end of the first stopper is connected to a groove bottom of the first groove, and one end of the second stopper is connected to a groove bottom of the second groove.

3. The planar hinge of claim 2, wherein the first stopper comprises a first connecting plate having an arc plate shape and a first limiting plate having a flat plate shape and connected to the first connecting plate, wherein an end of the first connecting plate remote from the first limiting plate is connected to the first reel, and the first limiting plate is received in the first groove.

4. The planar hinge of claim 3, wherein the second stopper includes a second connecting plate having a curved plate shape and a second limiting plate having a flat plate shape and connected to the second connecting plate, wherein an end of the second connecting plate away from the second limiting plate is connected to the first bobbin, and the second limiting plate is received in the second groove.

5. The planar hinge of claim 4, wherein the first stop plate is parallel to an end surface of the mandrel.

6. The planar hinge of claim 5, wherein the first and second position-limiting portions are symmetrical.

7. The planar hinge of claim 6, wherein the first stop portion, the first roller and the second stop portion are a unitary structure.

8. The planar hinge of claim 7, wherein the first hinge plate and the first roller are of a unitary construction, and wherein the second hinge plate and the second roller are of a unitary construction.

9. The planar hinge of claim 8, wherein the first hinge plate is a rectangular plate, and the first hinge plate has a mounting hole formed therethrough; the second hinged sheet is rectangular sheet-shaped, and the second hinged sheet is provided with a mounting hole penetrating through the second hinged sheet.

10. The planar hinge of claim 9, wherein the first hinge member, the second hinge member and the mandrel are all made of a metal material.