CN220036418U - Invisible hinge with long service life - Google Patents
Invisible hinge with long service life Download PDFInfo
- Publication number
- CN220036418U CN220036418U CN202321423582.5U CN202321423582U CN220036418U CN 220036418 U CN220036418 U CN 220036418U CN 202321423582 U CN202321423582 U CN 202321423582U CN 220036418 U CN220036418 U CN 220036418U
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- China
- Prior art keywords
- piston
- sealing cover
- axle
- support arm
- speed
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Links
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000003734 kidney Anatomy 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The utility model relates to the technical field of door and window hardware accessories, in particular to a hidden hinge with long service life, which comprises a containing box and a functional shaft arranged in the containing box, wherein the functional shaft comprises a circular tube-shaped outer sleeve, an upper sealing cover is connected with an inner thread of an upper pipe orifice of the outer sleeve, a lower sealing cover is connected with an inner thread of a lower pipe orifice of the outer sleeve, a central shaft penetrates through the upper sealing cover, one end of the central shaft is fixedly connected with the containing box, a speed regulating screw for regulating the flow speed of hydraulic oil penetrates through the lower sealing cover, and one end of the speed regulating screw is movably connected with the containing box, and the hidden hinge has the beneficial effects that: the outer sleeve, the upper sealing cover and the lower sealing cover are in threaded connection, so that the outer sleeve can be quenched, and the hardness of the outer sleeve is improved.
Description
Technical Field
The utility model relates to the technical field of door and window hardware accessories, in particular to a hidden hinge with long service life.
Background
The installation of door leaf needs to use the hinge to can use stealthy hinge for pleasing to the eye to set up the functional piece of steerable door leaf closing speed in the hinge, the life of functional piece has decided stealthy hinge's life, the patent document of application number CN201922463281.5 discloses a hidden hinge, including the functional shaft, the outer tube of this functional shaft wholly is the pipe form, the upper portion orificial inner chamber of outer tube is fixed inlays and is cylindric upper cover, the lower orificial inner chamber of outer tube is fixed inlays the lower closing cap that has the hole, according to the common sense of technical staff in this trade, upper cover and lower closing cap all adopt the riveting mode to inlay with the outer tube, the hardness of outer tube can not be too high under this kind of circumstances otherwise can not lead to the riveting, but the hardness of outer tube is low can lead to along with the increase of live time, the outer tube breaks, the whole inefficacy of hinge, the patent document of application number CN201721170551.8 discloses a pressure spring resets hydraulic hinge, wherein, center pin and piston pass through spline connection, such connected mode has very high requirements for the machining precision of center pin and piston, the degree of difficulty of increasing center pin and piston.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the invisible hinge with long service life aiming at the defects of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a long service life's stealthy hinge, includes holding box and sets up the function axle in the holding box, its characterized in that: the functional shaft comprises a circular tube-shaped outer sleeve, an upper pipe orifice of the outer sleeve is internally connected with an upper sealing cover in a threaded manner, a lower sealing cover is internally connected with a lower pipe orifice in a threaded manner, a central shaft is arranged in the upper sealing cover in a penetrating manner, one end of the central shaft is fixedly connected with the accommodating box, a speed regulating screw for regulating the flow speed of hydraulic oil is arranged in the lower sealing cover in a penetrating manner, and one end of the speed regulating screw is movably connected with the accommodating box.
The present utility model having the above-described features: the outer sleeve is quenched by adopting a threaded connection mode with the upper sealing cover and the lower sealing cover, so that the hardness of the outer sleeve is improved, the outer sleeve cannot be broken along with the increase of the service time, and the service life of the functional shaft is prolonged.
The utility model is further provided with the following steps: the utility model discloses a speed regulation oil needle, including the cylinder body of piston, the function axle, the cylinder body of piston, the cylinder body of piston, the function axle is equipped with the piston with center pin swing joint, the other end is equipped with the check valve, the one end and the piston of center pin cup joint, be equipped with the locating pin on the center pin, the locating pin passes the kidney slot, and the center pin forms axial sliding connection and synchronous pivoted cooperation structure with the piston, two spiral spouts have been seted up to the cylinder body axisymmetry of piston, wear to be equipped with the cross axle in the spiral spout, the both ends and the outer tube of cross axle are connected, the cover is equipped with the pressure spring on the center pin, pressure spring one end offsets with the upper cover, and the other end offsets with the terminal surface of piston, speed regulation screw and lower cover threaded connection are equipped with the speed regulation oil needle on it, be equipped with the oil passage that supplies the speed regulation oil needle to pass on the check valve, the speed regulation oil needle includes the body, the reducing section and the oil passage cooperation change the oil passage.
The present utility model having the above-described features: through set up the kidney-shaped groove on the barrel on the piston, the center pin cooperates the two through the locating pin after pegging graft with the piston, has replaced spline connection, has reduced the machining precision of center pin and piston, and the processing of being convenient for has improved the production efficiency of product.
The utility model is further provided with the following steps: the speed regulating screw is provided with a mounting groove for mounting the speed regulating oil needle, the body of the speed regulating oil needle is provided with a limit steel ball, the limit steel ball is positioned in the mounting groove, and the notch of the mounting groove is smaller than the diameter of the limit steel ball.
The present utility model having the above-described features: the speed regulating oil needle is fixedly connected with the speed regulating screw through the limiting steel ball, the speed regulating oil needle can float in the mounting groove in a small extent, and when external impact is applied, the joint of the speed regulating oil needle and the speed regulating screw cannot break, so that the connection strength of the joint is improved.
The utility model is further provided with the following steps: still including mounting box, support arm, linking arm and swing arm, be equipped with the articulated portion that its surface of protrusion set up on the functional shaft, the swing arm includes the swing arm axle of being connected with the mounting box and sets up the swing support arm at swing arm axle both ends, the linking arm includes the first piece of articulated simultaneously with two swing support arms, the first connecting axle of being connected with the holding box, be equipped with the second piece on the first connecting axle, the second piece passes through first linkage segment with the first piece and is connected, the support arm includes the second connecting axle of being connected with the mounting box, the both ends of second connecting axle all are equipped with first support arm, with articulated second support arm and the second link of connecting first support arm and second support arm, first link articulates with two second links simultaneously.
The present utility model having the above-described features: the function axle is articulated with the support arm, and the support arm replaces the linking arm as the middleware of transmission moment, and two first support arms that set up on it are connected with articulated portion simultaneously, have increased the area of contact of articulated portion, in the use, prevent that the epaxial articulated portion of function from breaking, improve the connection stability between function axle and the support arm, extension hinge's life.
The utility model is further provided with the following steps: gaskets are arranged between the first support block and the swinging support arm, between the first connecting section and the second connecting section and between the hinge part and the second support arm.
The present utility model having the above-described features: the gasket is arranged at the joint of the two parts, so that the wear resistance of the two parts is improved while the contact friction is reduced, the service life of the hinge is prolonged, and the hinge is opened and closed more smoothly.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of a functional shaft according to an embodiment of the present utility model.
Fig. 4 is a second cross-sectional view of the functional shaft according to an embodiment of the present utility model.
Description of the embodiments
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
The invisible hinge with long service life as shown in fig. 1-4 comprises a mounting box 1, a containing box 2, a functional shaft 3, a supporting arm 4, a connecting arm 5 and a swinging arm 6, wherein the functional shaft 3 is arranged in the containing box 2, a hinging part 31 protruding out of the surface of the functional shaft is arranged on the functional shaft, the swinging arm 6 comprises a swinging arm shaft 61 connected with the mounting box 1 and swinging support arms 62 arranged at two ends of the swinging arm shaft 61, the swinging arm 61 is used as a fulcrum, the swinging support arms rotate around the swinging arm shaft, the connecting arm 5 comprises a first supporting block 51 hinged with the two swinging support arms 62 at the same time, a first connecting shaft 54 connected with the containing box 2, a second supporting block 52 is arranged on the first connecting shaft 54, the second supporting block 52 is connected with the first supporting block 51 through a first connecting section 53, the first connecting shaft 54 is used as a rotating fulcrum of the connecting arm, the first supporting block, the second supporting block and the first connecting section rotate around the first connecting section, the second connecting shaft 4 comprises a second connecting shaft 41 connected with the mounting box 1, two ends of the second connecting shaft 41 are respectively provided with a first supporting point 42, the second supporting arm is hinged with the second supporting arm 62, a second supporting point 53 and a second supporting point 44 is preferably arranged between the second supporting arm and the second supporting arm, the second supporting arm is in contact with the second supporting arm 4, the second supporting arm is provided with the second supporting point 53, the second connecting section is in the second connecting section and the second connecting section is in the best mode, the second supporting point is in the best between the second supporting point and the second connecting section 4 and the connecting piece, the connecting piece is in the first connecting section and the connecting section 4, and the connecting piece has a best connecting piece has a good friction between the best.
The functional shaft 3 comprises a tubular outer sleeve 32, an upper sealing cover 33 is connected with the upper pipe orifice of the outer sleeve 32 in an internally threaded manner, a lower sealing cover 34 is connected with the lower pipe orifice of the outer sleeve 32 in an internally threaded manner, a central shaft 35 penetrates through the upper sealing cover 33, one end of the central shaft 35 is fixedly connected with the outer sleeve 32, a speed regulating screw 31 for regulating the flow speed of hydraulic oil penetrates through the lower sealing cover 34, one end of the speed regulating screw 31 is movably connected with the outer sleeve 2, one end of the central shaft 35 is sleeved with a piston 36, a waist-shaped groove 361 is formed in a barrel body of one end of the piston 36, a one-way valve 37 is arranged at the other end of the speed regulating screw 31, a positioning pin 38 is arranged on the central shaft 35, the positioning pin 38 penetrates through the waist-shaped groove 361, the central shaft 35 and the piston 36 form an axially sliding connection and synchronously rotating matching structure, two spiral sliding grooves 362 are formed in the barrel body of the piston 36 in an axially symmetrical manner, two ends of the cross shaft 8 penetrate through the spiral sliding grooves, two ends of the cross shaft 8 are connected with the outer sleeve 32, a pressure spring 39 is sleeved on the central shaft 35, one end of the pressure spring 39 abuts against the end face of the upper sealing cover 33, the other end of the piston 36, the speed regulating screw 31 is in threaded connection with the lower sealing cover 34, a speed regulating screw 30 is arranged on the lower sealing cover 34, a speed regulating needle 30 is sleeved with the speed regulating screw 31, the speed regulating screw 30 is sleeved with the speed regulating screw, the speed regulating screw body 301 comprises a body 301, the speed regulating needle body is provided with a groove 301, a sliding groove 301 is arranged on the speed regulating screw rod 31, a speed regulating screw is arranged on the speed regulating screw 31, a speed cylinder and has a speed stop-shaped nut is provided with a speed stop ball and a speed stop sleeve, and has a speed stop-shaped speed stop ball 31, and a speed stop oil cylinder is provided with a speed nut 3, and a speed stop oil cylinder is provided with a speed cylinder and has a speed stop speed cylinder 33 and has speed and has a speed stop speed 3 and has speed and 3.
The mounting box and the holding box of the invisible hinge are respectively and fixedly arranged in the door frame and the door leaf, when a user opens the door leaf, the outer sleeve of the functional shaft rotates along the axis of the functional shaft, the heads at the two ends are embedded in the transverse shaft of the outer sleeve and also rotate along the transverse shaft of the outer sleeve, the transverse shaft slides in the spiral chute of the piston to enable the piston to axially move along the central shaft, the moving stroke of the piston is the axial length of the kidney-shaped groove, the piston axially moves upwards to compress the pressure spring to store energy, the piston leaves the one-way valve, the one-way valve passes through the passage, hydraulic oil in the functional shaft passes through the one-way valve, after the external force of the door is removed, the pressure spring releases the pressure to push the piston to advance and reset, the transverse shaft rotates under the action of the spiral chute of the piston to drive the outer sleeve of the functional shaft to reset, and when the piston resets, hydraulic oil can only flow through the one-way valve from the oil passage due to the fact that the valve body of the one-way valve is bonded with the piston to form sealing, the size of the oil passing passage is changed through the oil passing passage by changing the insertion amount of the variable diameter section of the speed adjusting oil needle, so that the opening and closing speed of the hinge is changed.
Claims (5)
1. The utility model provides a long service life's stealthy hinge, includes holding box and sets up the function axle in the holding box, its characterized in that: the functional shaft comprises a circular tube-shaped outer sleeve, an upper pipe orifice of the outer sleeve is internally connected with an upper sealing cover in a threaded manner, a lower sealing cover is internally connected with a lower pipe orifice in a threaded manner, a central shaft is arranged in the upper sealing cover in a penetrating manner, one end of the central shaft is fixedly connected with the accommodating box, a speed regulating screw for regulating the flow speed of hydraulic oil is arranged in the lower sealing cover in a penetrating manner, and one end of the speed regulating screw is movably connected with the accommodating box.
2. The invisible hinge with long service life according to claim 1, wherein: the utility model discloses a speed regulation oil needle, including the cylinder body of piston, the function axle, the cylinder body of piston, the cylinder body of piston, the function axle is equipped with the piston with center pin swing joint, the other end is equipped with the check valve, the one end and the piston of center pin cup joint, be equipped with the locating pin on the center pin, the locating pin passes the kidney slot, and the center pin forms axial sliding connection and synchronous pivoted cooperation structure with the piston, two spiral spouts have been seted up to the cylinder body axisymmetry of piston, wear to be equipped with the cross axle in the spiral spout, the both ends and the outer tube of cross axle are connected, the cover is equipped with the pressure spring on the center pin, pressure spring one end offsets with the upper cover, and the other end offsets with the terminal surface of piston, speed regulation screw and lower cover threaded connection are equipped with the speed regulation oil needle on it, be equipped with the oil passage that supplies the speed regulation oil needle to pass on the check valve, the speed regulation oil needle includes the body, the reducing section and the oil passage cooperation change the oil passage.
3. The invisible hinge with long service life according to claim 2, wherein: the speed regulating screw is provided with a mounting groove for mounting the speed regulating oil needle, the speed regulating oil needle body is provided with a limit steel ball, the limit steel ball is positioned in the mounting groove, and the notch of the mounting groove is smaller than the diameter of the limit steel ball.
4. The invisible hinge with long service life according to claim 1, wherein: still including mounting box, support arm, linking arm and swing arm, be equipped with the articulated portion that its surface of protrusion set up on the functional shaft, the swing arm includes the swing arm axle of being connected with the mounting box and sets up the swing support arm at swing arm axle both ends, the linking arm includes the first piece of articulated simultaneously with two swing support arms, the first connecting axle of being connected with the holding box, be equipped with the second piece on the first connecting axle, the second piece passes through first linkage segment with the first piece and is connected, the support arm includes the second connecting axle of being connected with the mounting box, the both ends of second connecting axle all are equipped with first support arm, with articulated second support arm and the second link of connecting first support arm and second support arm, first link articulates with two second links simultaneously.
5. The long life concealed hinge of claim 4, wherein: gaskets are arranged between the first support block and the swinging support arm, between the first connecting section and the second connecting section and between the hinge part and the second support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321423582.5U CN220036418U (en) | 2023-06-06 | 2023-06-06 | Invisible hinge with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321423582.5U CN220036418U (en) | 2023-06-06 | 2023-06-06 | Invisible hinge with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036418U true CN220036418U (en) | 2023-11-17 |
Family
ID=88726498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321423582.5U Active CN220036418U (en) | 2023-06-06 | 2023-06-06 | Invisible hinge with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036418U (en) |
-
2023
- 2023-06-06 CN CN202321423582.5U patent/CN220036418U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |