CN213573500U

CN213573500U - Single-shaft hinge

Info

Publication number: CN213573500U
Application number: CN202021814877.1U
Authority: CN
Inventors: 杨庭卫
Original assignee: Foshan Kairuide Metal Products Co ltd
Current assignee: Foshan Kairuide Metal Products Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-29
Anticipated expiration: 2030-08-26

Abstract

A single-shaft hinge comprises a fixing plate provided with a connecting block, a connecting plate, wherein a rotating assembly is arranged on the connecting plate, part of the rotating assembly is inserted into the connecting block, relative rotation is formed between the connecting plate and the connecting block, a buffer and more than one elastic assembly are arranged in the connecting block, the rotating assembly is provided with an outer surface which contacts the elastic assembly during rotation, or the rotating assembly is provided with a second cam and is provided with a first cam. The utility model is provided with the first cam and the outer surface on the rotating component, the elastic component is always contacted with different parts of the outer surface in the rotation, and the first cam is contacted with or far away from the buffer; when the door is closed through the hinge, the buffer has a buffering effect, and when the door is opened through the hinge, the elastic component has a rebound effect; therefore, the buffering rebound effect is implemented on the same rotating assembly, the installation space is saved, the opening angle is larger than 180 degrees, the arrangement mode of the components of the traditional hinge with the buffering rebound is simplified, and the problem of limitation of the opening angle of the traditional hinge is solved.

Description

Single-shaft hinge

Technical Field

The utility model relates to a hinge structure specifically is a single-axis hinge.

Background

For realizing the effect of buffering bounce-back in common hinge, all be equipped with spring, buffer, when through rotating, inside part is contact spring or buffer respectively, and spring, buffer set up respectively on different positions, and through connecting rod swing contact spring, buffer, lead to the hinge volume increase.

Chinese patent publication No. CN108086835A at 2018.05.29 discloses a damping hinge for furniture, which comprises a movable cup, a fixed seat connected with the movable cup through a connecting arm, and an outer rocker arm, an inner rocker arm and a base mounted between the movable cup and the connecting arm; one end of the outer rocker arm and one end of the inner rocker arm are respectively arranged in the cup groove of the movable cup seat through shafts; the other end of the outer rocker arm is connected with the connecting arm through a first pin shaft, and a spring is arranged on the first pin shaft; the base is connected with the inner rocker arm through a second pin shaft, and two ends of the second pin shaft are arranged on the connecting arm; the base is provided with a cavity, the cavity of the base is formed by combining a top plate, a bottom plate, a front plate, a rear plate and side walls, the bottom plate is provided with a pin hole for mounting a second pin shaft, the rear plate is provided with a cavity notch, and the side wall of at least one side is provided with an opening; the damper is arranged in the cavity of the base, a piston rod of the damper is propped against a front plate in the base, at least one side of a damper shell of the damper is provided with a boss, and the boss corresponds to the opening on the base; the inner rocker arm comprises an inner rocker arm base plate, pin shaft connecting parts and inner rocker arm connecting plates, the pin shaft connecting parts and the inner rocker arm connecting plates are arranged at two ends of the inner rocker arm base plate, the two inner rocker arm connecting plates are arranged at two sides of the inner rocker arm base plate, a pair of cam traction parts are oppositely arranged at the front ends of the two inner rocker arm connecting plates, the cam traction parts and bosses on the damper are buckled at openings on the side wall of the base, and holes for mounting second pin shafts are formed in the inner rocker arm connecting plates; install the regulation base between linking arm and the fixing base, linking arm, regulation base and fixed plate pass through first screwed connection, still install the second screw on linking arm and the regulation base, and be provided with the regulation base accessory between regulation base and fixing base, adjust the base accessory and install on the second screw. This structure has the above-described disadvantages and a large number of parts are connected. And thus, is in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mounting structure is reasonable, part quantity is less, satisfies the performance demand of hinge, and saves installation space's a single-axis formula hinge to overcome the weak point among the prior art.

The single-shaft top and bottom hinge comprises a fixed plate and a connecting plate, wherein the fixed plate is provided with a connecting block, the connecting plate is provided with a rotating assembly, part of the rotating assembly is inserted into the connecting block so as to enable the connecting plate and the connecting block to rotate relatively, the connecting block is internally provided with a buffer and more than one elastic assembly, the rotating assembly is provided with an outer surface which contacts with the elastic assembly in rotation, the rotating assembly is provided with a first cam at a position corresponding to the buffer, in the relative rotation, the first cam rotates towards the direction close to the buffer, the outer surface of one side of the rotating assembly contacts and extrudes the elastic assembly, and the first cam gradually approaches and contacts with the buffer; or in the relative rotation, the first cam rotates towards the direction far away from the buffer, the elastic component contacts with the outer surface of the other side of the rotating component in the rebound process, and the first cam is gradually far away from the buffer.

The rotating assembly is provided with a second cam at the position corresponding to the elastic assembly.

The rotating assembly is provided with the first cam and the outer surface, the elastic assembly is always contacted with different parts of the outer surface in the rotating process, and the first cam is contacted with or far away from the buffer; when the door is closed through the hinge, the buffer has a buffering effect, and when the door is opened through the hinge, the elastic component has a rebound effect; therefore, the buffering rebound effect is implemented on the same rotating assembly, the installation space is saved, and the arrangement mode of the parts with the buffering rebound effect of the traditional hinge is simplified.

The rotating assembly comprises a rotating shaft, an upper sleeve body and a lower sleeve body, the upper sleeve body and the lower sleeve body are sleeved on the periphery of the rotating shaft, the first cam is positioned between the upper sleeve body and the lower sleeve body, and the outer surfaces of the upper sleeve body and the lower sleeve body are in contact with each other in rotation and extrude the elastic assembly; alternatively, the rotation member may include a separate rotation shaft provided with a first cam protruding outward by metal working, and an outer surface of the rotation shaft contacts and presses the elastic member during rotation.

The first cam can be sleeved on the rotating shaft, and the first cam and the rotating shaft can also be arranged to be integrally formed into a single part.

The rotating shaft is of a non-circular structure, inner holes matched with the shape of the rotating shaft are arranged in the upper sleeve body, the lower sleeve body and the first cam, and the upper sleeve body and the lower sleeve body are respectively sleeved on the periphery of the rotating shaft through the inner holes.

The elastic component comprises a compression spring arranged in the connecting block, one end of the compression spring is provided with a pressure head used for contacting the outer surface of the upper sleeve body and the outer surface of the lower sleeve body or contacting the outer surface of the rotating shaft, the pressure head is provided with a guide rod, the guide rod of the pressure head is inserted into the compression spring, and one end surface of the pressure head is contacted with one end of the compression spring.

A through hole for inserting the compression spring and the pressure head and a groove for inserting the buffer are arranged in the connecting block; the connecting block is also provided with a shaft hole for inserting the rotating component.

Still be equipped with the regulating part in the through-hole, in the regulating part inserted the through-hole, regulating part one side and compression spring other end contact, compression spring is located between pressure head and the regulating part, and through the length position of transferring the regulating part in inserting the through-hole, and then adjust compression spring's compression length in the through-hole, adjust the elasticity (the dynamics of opening, closing) that the hinge opened and shut.

The top and/or the bottom of the rotating assembly are/is provided with a fixed block, the top or the bottom of the rotating assembly is inserted into the fixed block, the connecting plate is provided with a fixed position, and the fixed block is fixedly connected with the fixed position so as to fixedly connect the rotating assembly with the connecting plate.

The buffer is provided with a protective sleeve for contacting the first cam, and the protective sleeve and the first cam are respectively provided with an inclined surface or an arc surface for contacting.

Be equipped with the mounting groove on the fixed plate, be equipped with connecting portion on the connecting block, connecting portion are spacing to be installed in the mounting groove.

The utility model has the advantages as follows:

a. the rotating assembly is provided with a first cam and an outer surface, the elastic assembly is always contacted with different parts of the outer surface in the rotating process, and the first cam is contacted with or far away from the buffer; when the door is closed through the hinge, the buffer has a buffering effect, and when the door is opened through the hinge, the elastic component has a rebound effect; therefore, the buffering rebound effect is implemented on the same rotating assembly, the installation space is saved, the opening angle is larger than 180 degrees, the arrangement mode of the components for buffering rebound of the traditional hinge is simplified, and the problem of limitation of the opening angle of the traditional hinge is solved;

b. the rotating shaft is provided with the first cam protruding outwards through metal processing, the number of parts needed by parts of the rotating assembly is reduced, the structure is more compact, the installation space is saved, and the assembly efficiency is improved.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a single-shaft top-bottom hinge according to a first embodiment of the present invention.

Fig. 2 is a schematic view of a three-dimensional cross-sectional structure of a single-shaft top-bottom hinge according to a first embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic view of a three-dimensional structure of a single-shaft top-bottom hinge hidden connecting block according to a first embodiment of the present invention.

Fig. 5 is a schematic view of the assembly and disassembly structure of the single-shaft top-bottom hinge according to the first embodiment of the present invention.

Fig. 6 is an exploded view of the connection block, the buffer and the protection sleeve according to the first embodiment of the present invention.

Fig. 7 is a schematic view of another assembly and disassembly structure of the connection block, the buffer and the protection sleeve according to the first embodiment of the present invention.

Fig. 8 is an exploded view of the connection plate and the rotation assembly according to the first embodiment of the present invention.

Fig. 9 is an exploded view of the rotating assembly according to the first embodiment of the present invention.

Fig. 10 is an exploded view of the adjusting member, the compression spring and the connecting block according to the first embodiment of the present invention.

Fig. 11 is a schematic structural view of a rotating assembly according to a second embodiment of the present invention.

Fig. 12 is a schematic structural view of a rotating assembly according to a third embodiment of the present invention.

In the figure, 1 is a fixing plate, 1.1 is a mounting groove, 1.2 is a fixing piece, 2 is a connecting plate, 2.1 is a fixing position, 3 is a connecting block, 3.1 is a buffer, 3.2 is a compression spring, 3.3 is a pressure head, 3.4 is a guide rod, 3.5 is a through hole, 3.6 is an adjusting piece, 3.7 is a shaft hole, 3.8 is a protective sleeve, 3.9 is a connecting part, 3.10 is a groove, 4 is a rotating component, 4.1 is a first cam, 4.2 is a rotating shaft, 4.3 is an upper sleeve body, 4.4 is a lower sleeve body, 4.5 is a second cam, 5 is a fixing block, 5.1 is a jack, 6 is an inclined plane, 7 is a shaft sleeve, and 8 is a connecting frame.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

Referring to fig. 1, a single-shaft top and bottom hinge comprises a fixed plate 1 and a connecting plate 2, wherein the fixed plate 1 is provided with a connecting block 3, the connecting plate 2 is provided with a rotating assembly 4, part of the rotating assembly 4 is inserted into the connecting block 3 so as to enable the connecting plate 2 and the connecting block 3 to rotate relatively, the connecting block 3 is internally provided with a buffer 3.1 and more than one elastic assembly, the rotating assembly 4 is provided with an outer surface which contacts the elastic assembly in rotation, the rotating assembly 4 is provided with a first cam 4.1 at a position corresponding to the buffer 3.1, in relative rotation, the first cam 4.1 rotates towards a direction close to the buffer 3.1, the outer surface of one side of the rotating assembly 4 contacts and extrudes the elastic assembly, and the first cam 4.1 gradually approaches and contacts the buffer 3.1; or in the relative rotation, the first cam 4.1 rotates towards the direction far away from the buffer 3.1, the elastic component contacts with the outer surface of the other side of the rotating component 4 in the rebound process, and the first cam 4.1 is gradually far away from the buffer 3.1.

Buffer 3.1, elastic component interval setting are in same connecting block 3 from top to bottom, save installation space.

Referring to fig. 2 and 3, two elastic assemblies are arranged in the connecting block 3, the elastic assemblies are arranged in the connecting block 3 at intervals up and down, and the buffer 3.1 is positioned between the two elastic assemblies.

Referring to fig. 4 and 5, the fixing plate 1 is provided with a mounting groove 1.1, the connecting block 3 is provided with a connecting portion 3.9, and the connecting portion 3.9 is installed in the mounting groove 1.1 in a limiting manner.

Be equipped with the connecting frame 8 on connecting portion 3.9, connecting portion 3.9 inserts connecting frame 8 and through the round pin axle fixed, have in connecting portion 3.9 insertion mounting groove of connecting frame 8. The fixed plate 1 is equipped with mounting 1.2 corresponding to the mounting groove 1.1 outside, and mounting 1.2 passes through the fix with screw on the outside of mounting groove 1.1, and connecting portion 3.9 that has the carriage 8 encapsulates in mounting groove 1.1 through mounting 1.2.

Elastic component is including setting up compression spring 3.2 in connecting block 3, and compression spring 3.2 one end is equipped with the pressure head 3.3 that is used for contacting the upper cover body 4.3 and the lower cover body 4.4 surface, and pressure head 3.3 is equipped with guide bar 3.4, and in pressure head 3.3's guide bar 3.4 inserted compression spring 3.2, and one end contact of pressure head 3.3 terminal surface and compression spring 3.2.

Referring to fig. 6, 7 and 10, a through hole 3.5 for inserting the compression spring 3.2 and the pressure head 3.3 and a groove 3.10 for inserting the buffer 3.1 are arranged in the connecting block 3; the connecting block 3 is also internally provided with a shaft hole 3.7 for inserting the rotating component 4.

The shaft hole 3.7 and the through hole 3.5 are communicated.

Referring to fig. 8, the top and/or bottom of the rotating assembly 4 is provided with a fixing block 5, the top or bottom of the rotating assembly 4 is inserted into the fixing block 5, the connecting plate 2 is provided with a fixing position 2.1, and the fixing block 5 is fixedly connected with the fixing position 2.1, so that the rotating assembly 4 is fixedly connected with the connecting plate 2.

Referring to fig. 9, the rotating assembly 4 includes a rotating shaft 4.2, an upper sleeve 4.3 and a lower sleeve 4.4, the upper sleeve 4.3 is sleeved on the periphery of the rotating shaft 4.2, the first cam 4.1 is located between the upper sleeve 4.3 and the lower sleeve 4.4, and the outer surfaces of the upper sleeve 4.3 and the lower sleeve 4.4 contact and extrude the elastic assembly during rotation.

In this embodiment, the fixing block 5 is provided with an insertion hole 5.1. During installation, firstly, the buffer 3.1 is installed in the groove 3.10 of the connecting block 3, then the first cam 4.1 is placed in the groove 3.10 with the buffer 3.1, the rotating shaft 4.2 is inserted into the shaft hole 3.7 and the first cam 4.1, then the upper sleeve body 4.3 and the lower sleeve body 4.4 are respectively installed on the rotating shaft 4.2, and the upper sleeve body 4.3 and the lower sleeve body 4.4 are both inserted into the shaft hole 3.7 along the rotating shaft 4.2. Gaps are formed between the upper sleeve body 4.3 and the lower sleeve body 4.4 and the shaft hole 3.7 respectively, the shaft sleeve 7 is arranged on the peripheries of the upper sleeve body 4.3 and the lower sleeve body 4.4, the shaft sleeve 7 is inserted into the shaft hole 3.7 along the upper sleeve body 4.3 or the lower sleeve body 4.4, and the shaft sleeve 7 is positioned in the gap between the upper sleeve body 4.3 or the lower sleeve body 4.4 and the shaft hole 3.7.

The upper sleeve body 4.3 and the lower sleeve body 4.4 respectively protrude out of the protruding shaft hole 3.7, the protruding parts of the upper sleeve body 4.3 and the lower sleeve body 4.4 are respectively provided with a fixed block 5, the protruding parts of the upper sleeve body 4.3 and the lower sleeve body 4.4 are relatively inserted into the insertion hole 5.1, and finally the fixed block 5 is correspondingly arranged on the fixed position 2.1 of the connecting plate 2 and is fixed through screws.

Referring to fig. 10, an adjusting piece 3.6 is further arranged in the through hole 3.5, the adjusting piece 3.6 is inserted into the through hole 3.5, one side of the adjusting piece 3.6 is in contact with the other end of the compression spring 3.2, the compression spring 3.2 is located between the pressure head 3.3 and the adjusting piece 3.6, and the compression length of the compression spring 3.2 in the through hole 3.5 is adjusted by adjusting the length position of the adjusting piece 3.6 inserted into the through hole 3.5. The adjusting element 3.6 is a screw.

The buffer 3.1 is provided with a protective sleeve 3.8 for contacting the first cam 4.1, and the protective sleeve 3.8 and the first cam 4.1 are respectively provided with a contact inclined surface 6 or a contact cambered surface.

Second embodiment

Referring to fig. 11, a single-axis hinge differs from the first embodiment in that: the rotating member 4 comprises a single rotating shaft 4.2, the rotating shaft 4.2 is provided with a first cam 4.1 protruding outward by metal working, and the outer surface of the rotating shaft 4.2 contacts and presses the elastic member during rotation.

One side of the connecting block 3 is provided with a plug-in cavity communicated with the groove 3.10, and a rotating shaft 4.2 with a first cam 4.1 is arranged in the plug-in cavity.

The ram 3.3 contacts the outer surface of the rotating shaft 4.2 during rotation.

Other parts not described are the same as those of the first embodiment, and are not described in detail here.

Third embodiment

Referring to fig. 12, a single-axis hinge differs from the first embodiment in that: the rotating component 4 is provided with a second cam 4.5 corresponding to the elastic component. The outer surface of the first cam 4.1 is arc-shaped. The length of the protruding part of the first cam 4.1 is larger than the length of the protruding part of the second cam 4.5.

The first cam 4.1 and the second cam 4.5 are both arranged on the rotating shaft 4.2.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A single-axis hinge comprises a fixed plate (1) and a connecting plate (2), and is characterized in that: the fixing plate (1) is provided with a connecting block (3), the connecting block (2) is provided with a rotating assembly (4), part of the rotating assembly (4) is inserted into the connecting block (3) so as to enable the connecting block (2) and the connecting block (3) to rotate relatively, the connecting block (3) is internally provided with a buffer (3.1) and more than one elastic assembly, the rotating assembly (4) is provided with an outer surface which contacts the elastic assembly in rotation, the rotating assembly (4) is provided with a first cam (4.1) at a position corresponding to the buffer (3.1), in relative rotation, the first cam (4.1) rotates towards the direction close to the buffer (3.1), the outer surface of one side of the rotating assembly (4) contacts and extrudes the elastic assembly, and the first cam (4.1) gradually approaches and contacts the buffer (3.1); or in the relative rotation, the first cam (4.1) rotates towards the direction far away from the buffer (3.1), the elastic component contacts with the outer surface of the other side of the rotating component (4) in the rebound process, and the first cam (4.1) is gradually far away from the buffer (3.1).

2. The single-axis hinge of claim 1, wherein: the rotating component (4) is provided with a second cam (4.5) corresponding to the elastic component.

3. The single-axis hinge of claim 1, wherein: the rotating assembly (4) comprises a rotating shaft (4.2), an upper sleeve body (4.3) and a lower sleeve body (4.4), wherein the upper sleeve body (4.3) and the lower sleeve body (4.4) are sleeved on the periphery of the rotating shaft (4.2), a first cam (4.1) is sleeved on the periphery of the rotating shaft (4.2), the first cam (4.1) is positioned between the upper sleeve body (4.3) and the lower sleeve body (4.4), and the outer surfaces of the upper sleeve body (4.3) and the lower sleeve body (4.4) are in contact with each other in rotation and extrude the elastic assembly; alternatively, the rotating member (4) comprises a separate rotating shaft (4.2), the rotating shaft (4.2) is provided with a first cam (4.1) protruding outwards through metal processing, and the outer surface of the rotating shaft (4.2) contacts and presses the elastic member during rotation.

4. The single-axis hinge of claim 3, wherein: elastic component is including setting up compression spring (3.2) in connecting block (3), and compression spring (3.2) one end is equipped with pressure head (3.3) that are used for contacting rotating assembly (4) surface, and pressure head (3.3) are equipped with guide bar (3.4), and in compression spring (3.2) was inserted in guide bar (3.4) of pressure head (3.3), and the one end contact of pressure head (3.3) a terminal surface and compression spring (3.2).

5. The single-axis hinge of claim 4, wherein: a through hole (3.5) for inserting the compression spring (3.2) and the pressure head (3.3) and a groove (3.10) for inserting the buffer (3.1) are arranged in the connecting block (3); the connecting block (3) is also internally provided with a shaft hole (3.7) for inserting the rotating component (4).

6. The single-axis hinge of claim 5, wherein: still be equipped with regulating part (3.6) in through-hole (3.5), regulating part (3.6) insert in through-hole (3.5), regulating part (3.6) one side and compression spring (3.2) other end contact, compression spring (3.2) are located between pressure head (3.3) and regulating part (3.6), insert the length position in through-hole (3.5) through transferring regulating part (3.6), and then adjust the compression length of compression spring (3.2) in through-hole (3.5).

7. The single-axis hinge of claim 1, wherein: fixed block (5) are equipped with in runner assembly (4) top and/or bottom, and in runner assembly (4) top or bottom inserted fixed block (5), be equipped with on connecting plate (2) and fix position (2.1), fixed block (5) and fixed position (2.1) fixed connection to make runner assembly (4) and connecting plate (2) fixed connection.

8. The single-axis hinge according to any one of claims 1 to 7, wherein: the buffer (3.1) is provided with a protective sleeve (3.8) used for contacting the first cam (4.1), and the protective sleeve (3.8) and the first cam (4.1) are respectively provided with a contact inclined plane (6) or an arc surface.

9. The single-axis hinge according to any one of claims 1 to 7, wherein: be equipped with mounting groove (1.1) on fixed plate (1), be equipped with connecting portion (3.9) on connecting block (3), connecting portion (3.9) are spacing to be installed in mounting groove (1.1).