CN207315078U - Sky-earth hinge with closed cushioning structure - Google Patents

Abstract

The utility model discloses a world hinge with closed buffer structure, include: the hinge box is provided with an accommodating cavity, and one side of the accommodating cavity is provided with an opening; the hinge cup is provided with a mounting groove; one end of the connecting piece is rotatably fixed in the accommodating cavity, the other end of the connecting piece extends out of the opening and is rotatably fixed in the mounting groove, and the connecting piece can rotate around the fixing part to realize the opening and closing of the hinge box and the hinge cup; the closing mechanism is fixed in the mounting groove and is abutted against the connecting piece, and when the hinge box and the hinge cup are separated, closing force for closing and rotating the connecting piece is provided; and the buffer mechanism is arranged in the accommodating cavity, can be abutted against the connecting piece and is used for providing buffer force for reducing the closing rotation of the connecting piece in the closing motion of the hinge box and the hinge cup. The hinge box and the hinge cup of the world hinge are respectively fixed on two parts needing to be closed, and the closing speed of the two parts in the closing movement can be moderate and stable through the closing force and the buffering force provided by the closing mechanism and the buffering mechanism.

Description

Sky-earth hinge with closed cushioning structure

technical field

The utility model relates to hardware building materials, in particular to a sky-earth hinge with a closed buffer structure.

Background technique

A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow relative rotation between them. Hinges can be constructed of movable components, or of collapsible material.

Cabinets such as wardrobes and cabinets on the market are provided with cabinet doors that can be opened. The traditional hinges used to connect the cabinet body and the cabinet door have the following problems: because the cabinet door does not have or cannot provide enough closing force, there is a gap or rebound after the cabinet door is closed; or, due to the excessive closing force of the cabinet door, the cabinet The door closing process is too fast, causing the cabinet door to hit the cabinet body to make noise, and even cause damage to the cabinet in the long run.

Therefore, there is an urgent need for a connecting device that can not only provide sufficient closing force, but also make the closing speed moderate and stable.

Utility model content

In view of the above problems, the utility model proposes a sky-earth hinge with a closing buffer structure. With this sky-earth hinge, the closing speed of the two parts to be closed can be moderate and stable during the closing movement.

The utility model provides a heaven and earth hinge with a closed buffer structure, which comprises: a hinge box with a storage cavity, and an opening on one side of the storage cavity; a hinge cup with a mounting groove; a connecting piece with a rotatable fixed end In the receiving cavity, the other end protrudes from the opening, and is rotatably fixed in the installation groove, and the connecting piece can rotate around the fixed part to realize the opening and closing of the hinge box and the hinge cup; the closing mechanism , fixed in the installation groove, abutting against the connecting piece, when the hinge box and the hinge cup are separated, it provides the closing force for the connecting piece to close and rotate; the buffer mechanism is arranged in the receiving cavity and can be abutted against the connecting piece, so as to provide a buffer force for decelerating the closing rotation of the connecting piece during the closing movement of the hinge box and the hinge cup.

Preferably, one end of the connecting piece is movably riveted to the accommodating cavity, and the other end is movably riveted to the installation groove, and the connecting piece can rotate around any riveting portion.

Preferably, the closing mechanism includes a torsion spring, the torsion spring is fixed in the installation slot, and an elastic arm at one end abuts against the connecting piece, so that the torsion spring can be twisted when the connecting piece is opened and rotated.

Preferably, the connecting piece is provided with a clamping portion, the mounting groove is provided with a positioning portion, and the two elastic arms of the torsion spring respectively bear against the clamping portion and the positioning portion.

Preferably, a mounting frame is provided in the storage cavity, the mounting frame is displaceably disposed in the storage cavity, and the connecting piece is riveted to a position of the mounting frame close to the opening.

Preferably, the buffer mechanism includes a damper and a damper lever arranged in the accommodation chamber, the damper lever is rotatably fixed to the mounting bracket, one end is connected to the damper, and the other end can be moved with the The connecting piece rotates to apply the damping force of the damper to the connecting piece.

Further, the buffer mechanism further includes a damping frame, which is fixed to the mounting frame and has a cavity for the damper to move axially therein.

Further, the damping lever includes an abutting portion, and the connecting member is provided with an abutting surface corresponding to the abutting portion, and the abutting portion and the abutting surface cooperate with each other for transmitting the buffering force.

Preferably, the connecting piece includes a closing arm and a supporting arm arranged side by side, and the buffering force of the buffering mechanism acts on the supporting arm, and the closing force of the closing mechanism acts on the closing arm.

Further, when the hinge box and the hinge cup are closed, the closing mechanism abuts against the side of the closing arm facing away from the supporting arm, and the buffer mechanism is arranged on the side of the supporting arm facing away from the supporting arm. Close one side of the arm.

Preferably, the closing arm and the supporting arm are arcuate, and when the hinge box and the hinge cup are separated to the maximum, the supporting force between the closing arm and the supporting arm cancels the closing mechanism to provide closing force.

Compared with the prior art, in the heaven and earth hinge with a closed buffer structure described in the present utility model, the closing mechanism and the buffer mechanism are respectively in contact with the connecting piece used for separating or closing the hinge box and the hinge cup, providing the closed rotation of the connecting piece Closing force and cushioning force, so that when the hinge box and the hinge cup are closed and moved, the closing speed is moderate and stable.

The closing mechanism includes a torsion spring fixed in the mounting groove of the hinge cup. The closing arm is provided with a clamping part, and the mounting groove is provided with a receiving groove. The two elastic arms of the torsion spring are respectively held against the clamping part and the receiving groove. The compression positioning effect is good.

The free end of the damping lever of the buffer mechanism is provided with an abutting portion, and the connecting piece is provided with an abutting surface corresponding to the abutting portion, and the abutting portion matches the shape of the edge of the abutting surface, and through the cooperation of the two, the force acting on the connecting piece The cushioning force is stable and reliable, preventing slipping.

The damping frame of the buffer mechanism is provided with a cavity for supporting the movement of the damper, providing a telescopic path for the damper, supporting and protecting the damper, and facilitating the stability of the product structure.

In addition, the connecting piece includes a closing arm and a supporting arm arranged side by side. When the hinge box and the hinge cup are closed, the closing mechanism abuts against the side of the closing arm facing away from the supporting arm, and the buffer mechanism abuts against the supporting arm for back-to-back closing. On one side of the arm, the closing force and the buffering force act on different connecting parts respectively, so that the connecting parts can rotate smoothly, and prevent the connecting parts from rotating dry or even locked due to two forces acting on the two ends of the same connecting part.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of the internal structure of the closed state of the heaven and earth hinge with a closed buffer structure according to an embodiment of the present invention;

Fig. 2 is a cross-sectional view along the A-A' direction of the sky-earth hinge with a closed buffer structure shown in Fig. 1 of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the open state of the sky-earth hinge with the closed buffer structure shown in Fig. 1 of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the utility model. Obviously, the described The embodiment is only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present utility model.

The utility model provides a heaven and earth hinge 100 with a closed buffer structure, comprising: a hinge box 1, a hinge cup 2, a connecting piece 3, a closing mechanism 4 and a buffer mechanism 5.

Please refer to FIG. 1 and FIG. 2 , in this embodiment, the hinge box 1 is provided with a receiving chamber 10 , and an opening 11 is provided on a side of the receiving chamber 10 . A mounting frame 12 is provided in the receiving cavity 10, and the connecting member 3 is riveted to the position of the mounting frame 12 close to the opening 11, and the mounting frame 12 is displaceably arranged in the containing cavity 10, Furthermore, the position of the connecting member 3 in the receiving cavity 10 can be adjusted.

Please refer to FIG. 3 , in this embodiment, the hinge cup 2 is provided with a mounting groove 21 , and the mounting groove 21 is provided with a receiving groove 211 , and the receiving groove 211 is a slot.

Please refer to Figure 1 and Figure 3, in this embodiment, one end of the connector 3 is movably riveted to the mounting frame 12, the other end protrudes from the opening 11, and is movably riveted to the mounting groove 21, the connection Part 3 can rotate around any riveted part. Wherein, the connecting member 3 includes a closing arm 31 and a supporting arm 32 arranged side by side; when the hinge box 1 and the hinge cup 2 are closed, the closing mechanism 4 abuts against the closing arm 31 facing away from the One side of the support arm 32 , the buffer mechanism 5 abuts against the side of the support arm 32 facing away from the closing arm 31 . In this embodiment, the closing arm 31 and the supporting arm 32 are arcuate. When the hinge box 1 and the hinge cup 2 are separated to the maximum, the distance between the closing arm 31 and the supporting arm 32 The supporting force counteracts the closing force provided by said closing mechanism 4 .

The closing mechanism 4 is fixed in the installation groove 21 and connected with the connecting part 3, and provides closing force for the connecting part 3 to close and rotate when the hinge box 1 and the hinge cup 2 are separated.

1 to 3, in this embodiment, the closing mechanism 4 is a torsion spring, the torsion spring 4 is fixed in the installation groove 21, the elastic arm 41 at one end abuts against the closing arm 31, and the other end The elastic arm (not shown) is relatively fixed. When the closing arm 31 is opened and rotated, the torsion spring 4 can be twisted so as to provide a torsional restoring force acting on the closing arm 31, so that the closing arm can 31 Closing force for closing rotation. Preferably, the closing arm 31 is provided with a clamping portion 311, and the two elastic arms of the torsion spring respectively bear against the clamping portion 311 and the receiving groove 211 to fix the torsion path of the elastic arms of the torsion spring 4 , to prevent it from falling off under force. As an example, the clamping portion 311 can be made by turning over the closing arm 31 to form another slot corresponding to the receiving groove 211 for receiving the elastic arm at one end of the torsion spring.

The buffer mechanism 5 is arranged in the receiving cavity 10 and can be in contact with the connecting piece 3 to provide deceleration of the closing rotation of the connecting piece 3 during the closing movement of the hinge box 1 and the hinge cup 2 buffer force.

Please refer to Figures 1 to 3, in this embodiment, the buffer mechanism 5 includes a damper 51 and a damping lever 52 disposed in the housing chamber 10, and the damping lever 52 is rotatably fixed to the mounting frame 12 , one end is connected to the damper 51 , and the other end rotates with the support arm 32 , for applying the damping force of the damper 51 to the support arm 32 . When the support arm 32 closes and moves, and the position of the hinge cup 2 and the hinge box 1 reaches a certain angle, the damping lever 52 is in contact with the support arm 32 , and its free end is on the support arm 32 . Driven by the closed rotation movement, the other end compresses the damper 51. Since the telescopic rod of the damper 51 is fixedly set, the damping force provided by the damper 51 decelerates the damping lever 52 to continue to rotate, and then decelerates the damper 51. The support arm 32 is closed and rotated.

Preferably, the damping lever 52 includes a resisting portion 521, and the support arm 32 is provided with a resisting surface 321 corresponding to the resisting portion 521, and the resisting portion 521 cooperates with the resisting surface 321. to transmit the cushioning force.

Preferably, the buffer mechanism 5 further includes a damping frame 53, the damping frame 53 is fixed to the mounting frame 12, and has a cavity 531 for the damper 51 to move axially therein.

Although not shown in the figure, the heaven and earth hinge with closed buffer structure described in the utility model can be used as a connecting fitting for articles such as a door, a wardrobe door, and a kitchen cabinet door. Taking a house door as an example, the hinge box is installed on the door frame, and the hinge cup is correspondingly installed on the door leaf for opening and closing the door.

Compared with the prior art, the sky-earth hinge with closed buffer structure of the utility model has the following advantages:

(1) The closing mechanism and the buffer mechanism are respectively in contact with the connecting piece used to separate or close the hinge box and the hinge cup, and provide the closing force and the buffering force for the closed rotation of the connecting piece, so that the hinge box and the hinge cup When the cup is closed, the closing speed is moderate and smooth.

(2) The closing mechanism is a torsion spring fixed in the mounting groove of the hinge cup. The closing arm is provided with a clamping part, and the mounting groove is provided with a receiving groove. The two elastic arms of the torsion spring are held against the clamping part and the receiving groove respectively. And the torsion spring has a good torsion positioning effect.

(3) The free end of the damping lever of the buffer mechanism is provided with an abutment portion, and the connector is provided with an abutment surface corresponding to the abutment portion, and the abutment portion matches the shape of the edge of the abutment surface. The buffer force of the connecting piece is stable and reliable, preventing slipping.

(4) The damping frame of the buffer mechanism is provided with a cavity for supporting the axial movement of the damper, providing a telescopic path for the damper, supporting and protecting the damper, and facilitating the stability of the product structure.

(5) The connector includes a closing arm and a supporting arm arranged side by side. When the hinge box and the hinge cup are closed, the closing mechanism abuts against the side of the closing arm facing away from the supporting arm, and the buffer mechanism abuts against the side of the supporting arm facing away from the supporting arm. On one side of the closing arm, the closing force and the buffering force act on different connecting parts respectively, so that the connecting parts can rotate smoothly and prevent the connecting parts from rotating dry or even locked due to two forces acting on the two ends of the same connecting part.

Some of the embodiments provided by the utility model have been introduced in detail above. For those of ordinary skill in the art, according to the ideas of the embodiments of the utility model, there will be changes in the specific implementation and application range. In summary, As stated above, the contents of this specification should not be construed as limiting the utility model.

Claims (10)

1. A kind of 1. Pinless hinge with guide member with closure buffer structure, it is characterised in that including：

   Hinge box, equipped with host cavity, the host cavity side is equipped with opening；

   Hinge cups, equipped with mounting groove；

   Connector, one end are rotatably affixed to the host cavity, and the other end is stretched out from the opening, is rotatably affixed to institute Mounting groove is stated, the connector can rotate around fixed part and realize the hinge box and hinge cups opening and closing；

   Close mechanism, is fixed in the mounting groove, is abutted with the connector, when the hinge box and the hinge cups separate When, there is provided the connector closes rotating closing force；

   Buffer gear, is arranged in the host cavity and can be abutted with the connector, in the hinge box and the hinge In cup closing motion, there is provided the connector that slows down closes rotating cushion effect.
2. 2. the Pinless hinge with guide member with closure buffer structure according to claim 1, it is characterised in that described connector one end Activity is riveted on the host cavity, and other end activity is riveted on the mounting groove, and the connector can be rotated around any caulking part.
3. 3. the Pinless hinge with guide member with closure buffer structure according to claim 1, it is characterised in that the close mechanism bag Torsional spring is included, the torsional spring is fixed on the mounting groove, and one end elastic arm is connected to the connector, is opening the connector The torsional spring can be reversed when opening rotation.
4. 4. the Pinless hinge with guide member with closure buffer structure according to claim 3, it is characterised in that the connector is equipped with Holding section, the mounting groove are equipped with location division, and two elastic arm of torsional spring is held in the holding section and the location division respectively.
5. 5. the Pinless hinge with guide member with closure buffer structure according to claim 1, it is characterised in that set in the host cavity There is mounting bracket, the mounting bracket is displaceably arranged in the host cavity, and the connector is riveted on the mounting bracket close to institute State at the position of opening.
6. 6. the Pinless hinge with guide member with closure buffer structure according to claim 5, it is characterised in that the buffer gear bag The damper being arranged in the host cavity and damping lever are included, the damping lever is rotatably affixed to the mounting bracket, One end is connected to the damper, and the other end can be rotated with the connector, for the damping force of the damper to be acted on The connector.
7. 7. the Pinless hinge with guide member with closure buffer structure according to claim 6, it is characterised in that the buffer gear is also Including damping frame, the damping frame is fixed on the mounting bracket, equipped with the cavity for damper axial movement in it.
8. 8. the Pinless hinge with guide member with closure buffer structure according to claim 6, it is characterised in that the damping lever bag A support division is included, the connector corresponds to the support division and is equipped with a supporting surface, the support division and the supporting surface phase interworking Share in the transmission cushion effect.
9. 9. the Pinless hinge with guide member with closure buffer structure according to claim 1, it is characterised in that the connector includes The closure arm and support arm being arranged side by side, and the cushion effect of the buffer gear acts on the support arm, the closure machine The shutting of structure is in the closure arm.
10. 10. the Pinless hinge with guide member with closure buffer structure according to claim 9, it is characterised in that when the hinge box When being closed with the hinge cups, the close mechanism is connected to the closure arm back to the side of the support arm, the buffer Structure is arranged on the support arm back to the side of the closure arm.