TWI595146B - Damping hinge structure - Google Patents

Description

Damping hinge structure

The present invention is directed to a damper hinge structure, and more particularly to a hydraulic hinge suitable for use in a glass door.

Most of the portals in public places or shower rooms are mainly glass doors, because most of the glass doors are designed with automatic homing, and the user can automatically reset the door after opening the door, so as to reduce the action of closing the door. Conventional glass doors are pivotally hinged to a fixed wall or glass panel. Conventional hinges provide springs with the power of the glass door to automatically homing, thus creating a large impact when the door is closed.

There are hydraulic hinges that provide the power of the door body (such as the glass door) to automatically homing, as well as the oil pressure damping effect, so avoid large impacts when closing the door. There are two conventional hydraulic hinges for pivoting a glass door to a fixture such as a wall or a glass panel. However, the door is homing in a constant speed, and the speed is slow, which can lead to too long closing time (for example, 7 to 9 seconds).

In summary, the present inventors have felt that the above-mentioned defects can be improved, and the present invention has been put forward with great interest in designing and cooperating with the theory, and finally proposes a invention which is reasonable in design and effective in improving the above-mentioned defects.

The technical problem to be solved by the present invention is to provide a damping hinge structure, which only provides the effect of oil pressure damping in the rear stroke of closing the door, so that the closing time will not be It is too long and has the effect of avoiding abnormal sound generation and small shaking.

In order to solve the above technical problem, the present invention provides a damper hinge structure for pivoting a door body to a fixed object, comprising: a shaft seat having a body, the shaft body having a shaft hole and a receiving hole The two ends of the shaft hole are connected to the opposite sides of the seat body, and one end of the receiving hole is communicated with the shaft hole, and an oil passage is disposed in the seat body, and the oil passage is connected to the shaft hole and the receiving hole. The rotation shaft defines a rotation axis; a rotation shaft is a cam shaft, and the rotation shaft is rotatably received in the rotation shaft hole of the base body, and the rotation shaft is rotatable along the rotation axis, the rotation shaft has a first end point, a tangential surface and a second end point, the first end point and the second end point being located at a circumferential position of the rotating shaft, the cutting plane being located between the first end point and the second end point; a piston, It is a hollow cylinder, and a piston is provided at one end thereof. The piston is slidably disposed in the receiving hole of the seat body, and an oil chamber is formed between the piston and the rotating shaft seat. The oil chamber stores hydraulic oil. One end of the piston abuts against the rotating shaft; a spring single The first unit is connected to the rotating shaft, and the first connecting member is locked. a second connecting member coupled to the rotating shaft, and the second connecting member is fixed to the door body; and wherein the door body is movable between an open door position and a closed door position, The door opening position and the door closing position have an intermediate position. When the door body is in the door opening position, the first end of the rotating shaft touches the piston; when the door body starts to close the door, the rotating shaft The first end point gradually leaves the piston such that the cutting plane of the rotating shaft corresponds to the piston; when the door body moves to the intermediate position, the second end of the rotating shaft begins to contact the piston, and the piston can be The second end of the rotating shaft is pushed to make the oil chamber smaller in volume, and the hydraulic oil in the oil chamber can flow to the perforation of the piston and flow back into the oil chamber through the oil passage to provide the oil pressure damping effect. Until the door moves to the closed position .

The invention has at least the following advantages: the damper hinge structure of the invention can perform the movement of the unequal speed, and only provides the oil pressure damping effect in the rear stroke of the closing door to avoid a large impact and close The door time is not too long, the door body is shaken less, and abnormal noise can also be avoided.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

1‧‧‧Shaft seat

11‧‧‧

111‧‧‧ first side

112‧‧‧ second side

113‧‧‧First aluminum alloy parts

114‧‧‧First stainless steel parts

12‧‧‧ shaft hole

121‧‧‧Rotating axis

13‧‧‧ accommodating holes

14‧‧‧ oil road

15‧‧‧ bearing

2‧‧‧ shaft

21‧‧‧ first endpoint

22‧‧‧faced

23‧‧‧second endpoint

24‧‧‧ Ring groove

25‧‧‧O-ring

3‧‧‧Piston

31‧‧‧Perforation

32‧‧‧ oil room

33‧‧‧piston sleeve

34‧‧‧through hole

4‧‧‧Spring unit

41‧‧‧Line body

5‧‧‧Return unit

51‧‧‧Check valve seat

511‧‧‧ valve hole

52‧‧‧ check valve

6‧‧‧First connector

61‧‧‧ third pressure plate

611‧‧‧ Third aluminum alloy parts

612‧‧‧ Third stainless steel parts

62‧‧‧fourth pressure plate

63‧‧‧ fixed seat

64‧‧‧Fixed parts

7‧‧‧Second connector

71‧‧‧First pressure plate

711‧‧‧Second aluminum alloy parts

712‧‧‧Second stainless steel parts

713‧‧‧ card snaps

714‧‧‧Fixed parts

715‧‧‧ card hole

716‧‧‧screw

72‧‧‧Second platen

73‧‧‧shims

74‧‧‧Fixed parts

75‧‧‧Fixed Department

751‧‧‧ screws

8‧‧‧ throttle valve

81‧‧‧ Cone

10‧‧‧

A‧‧‧Opening position

B‧‧‧Closed position

C‧‧‧Intermediate position

1 is a perspective exploded view (1) of a first embodiment of a damper hinge structure of the present invention.

2 is an exploded perspective view (2) of the first embodiment of the damper hinge structure of the present invention.

3 is a perspective assembled view of a first embodiment of a damper hinge structure of the present invention.

Figure 4 is a cross-sectional view (1) of a first embodiment of a damper hinge structure of the present invention.

Figure 5 is a cross-sectional view (2) of the first embodiment of the damper hinge structure of the present invention.

Figure 6 is a cross-sectional view of the hinge mount of the present invention.

Fig. 7 is a schematic view (1) of the operation of the door body of the present invention.

Figure 8 is a schematic view (2) of the operation of the door body of the present invention.

Figure 9 is a schematic view (3) of the operation of the door body of the present invention.

Figure 10 is a schematic view (1) of the operation of the rotating shaft and the piston of the present invention.

Figure 11 is a schematic view (2) of the operation of the rotating shaft and the piston of the present invention.

Figure 12 is a schematic view (3) of the operation of the rotating shaft and the piston of the present invention.

Figure 13 is a perspective assembled view of a second embodiment of the damper hinge structure of the present invention.

[First Embodiment]

Referring to FIG. 1 to FIG. 6 , the present invention provides a damper hinge structure, which is a hydraulic hinge for pivoting a door body (such as a glass door) to a fixed object (such as a wall or a glass plate). A glass-to-wall hinge for pivoting a glass door to a wall is disclosed, including a hinge seat 1, a rotating shaft 2, a piston 3, a spring unit 4, a first connecting member 6, and a second connecting member. 7.

The shaft base 1 has a body 11 which can be a square seat body and a seat body 11 A first surface 111 and a second surface 112 are formed on opposite sides. The first surface 111 and the second surface 112 are formed on the front side and the rear side of the base 11 , and the first surface 111 and The second faces 112 can be parallel to each other. A shaft hole 12 and a receiving hole 13 are defined in the base 11. The two ends of the shaft hole 12 extend to opposite sides of the seat body 11. One end of the receiving hole 13 communicates with the shaft hole 12, and the other end of the hole 13 is received. It penetrates to the other side of the seat body 11. An oil passage 14 is further disposed in the base 11 , and the oil passage 14 is connected between the shaft hole 12 and the receiving hole 13 . The shaft hole 12 defines a rotation axis 121. The seat body 11 can include a first aluminum alloy member 113 and a first stainless steel member 114 wrapped around the first aluminum alloy member 113.

The rotating shaft 2 is a cam shaft, and the rotating shaft 2 is rotatably received in the rotating shaft hole 12 of the seat body 11, and the rotating shaft 2 is rotatable along the rotating shaft center 121. A bearing 15 is disposed between the two ends of the rotating shaft 2 and the seat body 11, so that the rotating shaft 2 and the rotating shaft seat 1 can smoothly rotate. A ring groove 24 is respectively disposed at the proximal end of the outer edge of the rotating shaft 2 for arranging an O-ring 25, and the O-ring 25 is located between the rotating shaft 2 and the seat body 11 for increasing the sealing property. Both ends of the rotating shaft 2 pass through the rotating shaft seat 1 so as to be fixed on the second connecting member 7. The rotating shaft 2 has a first end point 21, a face 22 and a second end point 23 (as shown in FIG. 10 to FIG. 12). The first end point 21 and the second end point 23 are located at the circumferential position of the rotating shaft 2. The first end point 21 and the second end point 23 are preferably, but not limited to, an angle of ninety degrees apart at a circumferential position of the rotating shaft 2, and the angle of the spacing may also vary according to requirements, and the second end point 23 preferably forms a circle. The arc angle 22 is located between the first end point 21 and the second end point 23. In the present embodiment, two first end points 21 and two cut surfaces 22 are provided. The two first end points 21 and the two cut surfaces 22 are disposed on opposite sides of the second end point 23 and are mirror-opposed. A two-way hinge can also be formed, which can be applied to the state of bilaterally opening the door. This embodiment is described only with respect to the state of the single first end point 21 and the one-way hinge of the single face 22 and the one-sided opening.

The piston 3 is a hollow cylinder, and one end of the piston 3 is provided with a through hole 31, and the other end is formed in an open shape. The piston 3 is slidably disposed in the accommodating hole 13 of the seat body 11. The piston 3 can reciprocate in the accommodating hole 13 or can be disposed in the accommodating hole 13 The plug sleeve 33 allows the piston 3 to smoothly reciprocate within the piston sleeve 33. An oil chamber 32 is formed between the piston 3 and the shaft base 1, and hydraulic oil (not shown) is stored in the oil chamber 32. The piston sleeve 33 can be filled with hydraulic oil in the oil chamber 32 to close the other end of the receiving hole 13. . One side of the piston sleeve 33 is provided with a through hole 34, and the through hole 34 can communicate with the oil passage 14. One end of the piston 3 can abut against the rotating shaft 2.

The spring unit 4 is disposed in the oil chamber 32. The spring unit 4 can be a compression spring, and the spring unit 4 can have a wire body 41 extending in a spiral shape. One end of the spring unit 4 abuts against the piston 3 , and the other end abuts against the piston sleeve 33 , thereby arranging the spring unit 4 between the piston 3 and the piston sleeve 33 . The spring unit 4 can push the piston 3, thereby causing the piston 3 to elastically abut against the cut surface 22 of the rotary shaft 2 or the like.

The present invention may further include a non-return unit 5 disposed in the oil chamber 32. The configuration of the non-return unit 5 is not limited and may be various check structures as long as it can be used to provide hydraulic oil. The function back can be. In the present embodiment, the check unit 5 includes a check valve seat 51 and a check valve 52. The check valve seat 51 is provided with a valve hole 511. The check valve 52 is disposed on the side of the check valve seat 51. Corresponding to the valve hole 511, the check valve 52 is located between the check valve seat 51 and the through hole 31 of the piston 3, so that the check effect of the one-way flow of the hydraulic oil can be provided, so that the hydraulic oil in the oil chamber 32 can only pass through. The return unit 5 (the valve hole 511 of the check valve seat 51) flows unidirectionally to the through hole 31 of the piston 3. When the hydraulic oil flows in the reverse direction, the hydraulic oil then pushes the check valve 52 against the valve hole 511 of the check valve seat 51, so that the valve hole 511 is closed to provide a check effect of the one-way flow of the hydraulic oil.

The other end of the spring unit 4 abuts against the check valve seat 51, so that the spring force of the spring unit 4 can be transmitted to the piston 3 through the check valve seat 51, so that the spring unit 4 can push the piston 3.

In the present invention, the throttle valve 8 is further disposed on the rotating shaft base 1. In the present embodiment, the throttle valve 8 is screwed to the first surface 111 of the base 11 of the rotating shaft base 1 The flow valve 8 has a tapered portion 81 at one end, and the tapered portion 81 extends into the oil passage 14, and the flow rate of the hydraulic oil in the oil passage 14 can be adjusted by the rotation of the throttle valve 8 to change the oil pressure. Damping effect. The throttle valve 8 is disposed on the first surface 111 of the seat body 11 of the shaft base 1, so that the throttle valve 8 is exposed to the outside, and the rotation of the throttle valve 8 is easily adjusted to adjust the flow rate of the hydraulic oil in the oil passage 14. The present invention constitutes a control device by a rotating shaft seat 1, a rotating shaft 2, a piston 3, a spring unit 4, a check unit 5, a throttle valve 8, and the like. When the piston 3 is pushed by the rotating shaft 2 and displaced toward the piston sleeve 33, the volume of the oil chamber 32 can be made smaller, the hydraulic oil in the oil chamber 32 can be compressed, and the hydraulic oil in the oil chamber 32 can pass through the check valve seat. The valve hole 511 of the 51 flows to the through hole 31 of the piston 3 and flows back into the oil chamber 32 through the oil passage 14 to provide the effect of oil pressure damping. When the piston 3 corresponds to the cut surface 22 of the rotating shaft 2, the piston 3 can be pushed by the spring unit 4 to be displaced away from the piston sleeve 33, so that the volume of the oil chamber 32 becomes larger, the hydraulic oil flows backward, and the check valve 52 is pushed. In response to the valve hole 511 of the check valve seat 51, the valve hole 511 is closed to provide a hydraulic oil check effect so that the hydraulic oil can only flow back into the oil chamber 32 via the adjacent oil passage 14.

The first connecting member 6 and the second connecting member 7 are respectively connected to the rotating shaft seat 1 and the rotating shaft 2. The structures of the first connecting member 6 and the second connecting member 7 are not limited, and may be changed as needed. In the embodiment, the first connecting member 6 has a fixing seat 63 fixed to the rotating shaft seat 1 by a fixing member 64 such as a screw. The fixing seat 63 can be locked to the wall (fixed object) by using a fixing member (not shown).

The second connecting member 7 has a first pressing plate 71 and a second pressing plate 72. The first pressing plate 71 can include a second aluminum alloy member 711 and a second stainless steel member 712 wrapped around the second aluminum alloy member 711. The second pressure plate 72 is entirely made of stainless steel. A spacer 73 is disposed between the first pressure plate 71 and the second pressure plate 72. The two ends of the rotating shaft 2 are connected to the second connecting member 7, that is, the second connecting member 7 is provided with two fixing portions 75, and the fixing portion 75 is U-shaped, the two ends of the rotating shaft 2 can be stably accommodated and fastened to the two fixing portions 75 by screws 751. The first pressure plate 71 and the second pressure plate 72 can be locked to the door body (such as a glass door) by using a fixing member 74, so that the door body can be pivotally connected to the fixed glass plate by a damper hinge structure for opening and closing. action. The second aluminum alloy member 711 can also be fixed with a snap-up elastic piece 713 by a fixing member 714 such as a screw, and the second stainless steel piece The 712 is provided with a latching hole 715, and the latching elastic piece 713 and the latching hole 715 are fastened to each other, so that the second stainless steel member 712 can be wrapped by the snapping manner and fastened to the outside of the second aluminum alloy member 711 by the screw 716. .

Referring to FIG. 7 to FIG. 9, the door body 10 of the present invention can be moved between a door opening position A (for example, 80 to 90 degrees) and a door closing position B (for example, at 0 degrees), and the door opening position A and the door are closed. There is an intermediate position C between positions B (for example, 30 to 60 degrees). When the door body 10 moves between the door opening position A and the door closing position B, the second connecting member 7 rotates the rotating shaft 2 in the rotating shaft hole 12. When the door body 10 is in the door opening position A (as shown in FIGS. 7 and 10), the first end point 21 of the rotating shaft 2 is in contact with the piston 3, and the spring unit 4 can push the piston 3, thereby making the piston 3 elastically abuts against the first end point 21 of the rotating shaft 2.

When the door body 10 starts the action of closing the door, the first end point 21 of the rotating shaft 2 gradually leaves the piston 3, so that the cutting surface 22 of the rotating shaft 2 corresponds to the piston 3, and the oil pressure damping effect is not provided at this time, so that The door body 10 can move relatively quickly. When the door body 10 is moved to the intermediate position C (as shown in FIGS. 8 and 11), the second end point 23 of the rotating shaft 2 starts to contact the piston 3, and until the door body 10 moves to the closing position B, the rotating shaft 2 The second end point 23 will all touch the piston 3. The second end point 23 of the rotating shaft 2 is in contact with the piston 3, and the spring unit 4 is synchronously compressed, so that the door body 10 can be pushed continuously, and the piston 3 can be pushed by the second end point 23 of the rotating shaft 2 toward the piston sleeve. The displacement in the direction of 33 causes the volume of the oil chamber 32 to become smaller, the hydraulic oil in the oil chamber 32 is compressed, and the hydraulic oil in the oil chamber 32 can flow to the through hole 31 of the piston 3 through the valve hole 511 of the check valve seat 51, and The oil passage 14 flows back into the oil chamber 32 to provide the effect of oil pressure damping until the door body 10 moves to the door closing position B (as shown in FIGS. 9 and 12), thereby avoiding a large Impact.

The damper hinge structure of the invention can perform the movement of the unequal speed, and only provides the oil pressure damping effect in the rear stroke of the closing door (the intermediate position C to the closing position B) to avoid a large impact, and the closing time is not over Long, the door body is small, and it can also avoid abnormal sounds.

Furthermore, the present invention can also be further used with a spring hinge, for example, a spring hinge and a damper hinge structure (hydraulic hinge) of the present invention are respectively disposed at an upper position and a lower position, thereby providing a resist spring using the damper hinge structure of the present invention. The strength of the hinge provides effective cushioning and can be adjusted for buffer speed. The invention can be used with a spring hinge to have the effect of reducing costs. The O-rings 25 are sleeved on the outer edge of the rotating shaft 2, so that the corresponding ring groove is not required in the rotating shaft hole 12 of the rotating shaft seat 1, and the processing is simple and easy.

[Second embodiment]

Referring to FIG. 13 , the embodiment is a glass-to-glass type damping hinge for pivoting a glass door to a glass plate. In this embodiment, the first connecting member 6 has a third pressure plate 61 and a fourth portion. The pressing plate 62 and the third pressing plate 61 may include a third aluminum alloy member 611 and a third stainless steel member 612 covering the outside of the third aluminum alloy member 611. The fourth pressing plate 62 is entirely made of stainless steel. A gasket (not shown) may be disposed between the third pressure plate 61 and the fourth pressure plate 62. The third pressure plate 61 is fixed to the shaft base 1 by a fixing member (such as a screw). The third pressure plate 61 and the fourth pressure plate 62 can be locked to the glass plate (fixing object) by means of a fixing member. The seat body 11 of the shaft base 1 of the present invention, the third pressure plate 61 of the first connecting member 6, and the first pressure plate 71 of the second connecting member 7 may be composed of an aluminum alloy member and a stainless steel member, and the aluminum alloy member may have better precision. Degree to improve the quality of the product.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, the equivalent changes of the present invention and the contents of the drawings are all included in the protection of the present invention. Within the scope, it is combined with Chen Ming.

1‧‧‧Shaft seat

11‧‧‧

111‧‧‧ first side

112‧‧‧ second side

113‧‧‧First aluminum alloy parts

114‧‧‧First stainless steel parts

12‧‧‧ shaft hole

15‧‧‧ bearing

2‧‧‧ shaft

25‧‧‧O-ring

3‧‧‧Piston

31‧‧‧Perforation

33‧‧‧piston sleeve

34‧‧‧through hole

4‧‧‧Spring unit

41‧‧‧Line body

5‧‧‧Return unit

51‧‧‧Check valve seat

511‧‧‧ valve hole

52‧‧‧ check valve

6‧‧‧First connector

63‧‧‧ fixed seat

64‧‧‧Fixed parts

7‧‧‧Second connector

71‧‧‧First pressure plate

711‧‧‧Second aluminum alloy parts

712‧‧‧Second stainless steel parts

713‧‧‧ card snaps

714‧‧‧Fixed parts

715‧‧‧ card hole

716‧‧‧screw

72‧‧‧Second platen

73‧‧‧shims

74‧‧‧Fixed parts

75‧‧‧Fixed Department

751‧‧‧ screws

8‧‧‧ throttle valve

81‧‧‧ Cone

Claims (9)

A damper hinge structure for pivoting a door body to a fixture, comprising: a shaft seat having a body, the seat body comprising a first aluminum alloy member and a cover of the first aluminum alloy member The first stainless steel member is provided with a shaft hole and a receiving hole. The two ends of the shaft hole extend through opposite sides of the seat body, and one end of the receiving hole communicates with the shaft hole. An oil passage is connected between the shaft hole and the accommodating hole. The shaft hole defines a rotation axis; a rotation shaft is a cam shaft, and the rotation shaft is rotatably accommodated in the seat body. In the shaft hole, the rotating shaft can rotate along the rotating axis, the rotating shaft has a first end point, a cutting surface and a second end point, and the first end point and the second end point are located at a circumferential position of the rotating shaft, the cutting surface Between the first end point and the second end point; a piston, which is a hollow cylinder, the piston is provided with a through hole at one end thereof, and the piston is slidably disposed in the receiving hole of the seat body, the piston An oil chamber is formed between the shaft seat and the hydraulic oil is stored in the oil chamber The first end of the piston abuts against the rotating shaft; a shaft seat, and the first connecting member is fixed to the fixing body; a second connecting member connected to the rotating shaft, and the second connecting member is fixed on the door body; and wherein the door body can Moving between a door opening position and a door closing position, the door opening position and the door closing position have an intermediate position, and when the door body is in the door opening position, the first end of the rotating shaft touches the piston; When the door body begins to perform the door closing action, the first end point of the rotating shaft gradually leaves the piston, so that the cutting plane of the rotating shaft corresponds to the piston; when the door body moves to the intermediate position, the second end point of the rotating shaft Starting to contact the piston, the piston can be pushed by the second end of the rotating shaft to make the oil chamber smaller, and the hydraulic oil in the oil chamber can flow to the perforation of the piston and flow back through the oil passage. To the oil chamber to provide oil pressure resistance Effect until the door The body moves to the closed position. The damper hinge structure of claim 1, wherein a ring groove is respectively disposed at a proximal end of the outer edge of the rotating shaft, and the ring groove is respectively sleeved with an O-ring, and the O-ring is located at the rotating shaft and the seat body. between. The damper hinge structure of claim 1, wherein the first end point and the second end point are located at an angle of ninety degrees apart from a circumferential position of the rotating shaft. The damper hinge structure of claim 3, wherein the first end point and the cut surface are both provided, and the two first end points and the two cut surfaces are disposed on both sides of the second end point. The mirror is opposite. The damper hinge structure of claim 1, wherein the other end of the accommodating hole penetrates to the other side of the seat body, and a piston sleeve is disposed in the accommodating hole, and the piston can reciprocate in the piston sleeve, the piston The sleeve is closed at one end of the receiving hole, and one side of the piston sleeve is provided with a through hole, and the through hole is in communication with the oil passage, and the other end of the spring unit abuts against the piston sleeve. The damper hinge structure of claim 1, wherein the second connecting member has a first pressing plate and a second pressing plate, the first pressing plate comprises a second aluminum alloy member and a second aluminum alloy member a second stainless steel member on the outer side, the two ends of the rotating shaft are connected to the second connecting member, and the first pressing plate and the second pressing plate are locked on the door body. The damper hinge structure of claim 6, wherein the first connecting member has a third pressing plate and a fourth pressing plate, the third pressing plate comprises a third aluminum alloy member and a third aluminum alloy member a third stainless steel member on the outer side, the third pressure plate is locked on the rotating shaft seat, and the third pressure plate and the fourth pressure plate are locked on the fixing body. The damper hinge structure of claim 6, wherein the second aluminum alloy member is fixed with a snap-up elastic piece, and the second stainless steel member is provided with a snap hole, and the snap-up elastic piece and the snap-fit hole are fastened to each other. The damper hinge structure according to claim 1, wherein the oil chamber is provided with a non-return unit, so that hydraulic oil in the oil chamber can flow through the check unit to the perforation of the piston, and the shaft seat is provided with a section. a flow valve, the throttle valve is screwed to the A first side of the seat body of the rotating shaft seat has a tapered portion at one end thereof, and the tapered portion extends into the oil passage.