CN113356713A - Two-way actuated hydraulic closer - Google Patents
Two-way actuated hydraulic closer Download PDFInfo
- Publication number
- CN113356713A CN113356713A CN202010134902.XA CN202010134902A CN113356713A CN 113356713 A CN113356713 A CN 113356713A CN 202010134902 A CN202010134902 A CN 202010134902A CN 113356713 A CN113356713 A CN 113356713A
- Authority
- CN
- China
- Prior art keywords
- piston
- shell
- cam
- force
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003139 buffering effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000594 atomic force spectroscopy Methods 0.000 claims 1
- 210000003734 kidney Anatomy 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 20
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 13
- 238000013016 damping Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a two-way actuated hydraulic closer, which comprises a shell, a piston assembly, a spring, a force adjuster and a hydraulic valve, wherein the piston assembly is arranged in a cavity of the shell and used for reciprocating, a connecting shaft is vertically arranged in the middle of the shell, a piston body is arranged in the shell on the right side of a cam, the force adjuster is arranged on an end head on the right side of the shell, an end cover is arranged on the right side end of the shell, the end head of a force adjusting screw rod extending out of the middle of the force adjuster arranged on the shell is connected with a bevel gear A, the piston assembly comprises a piston body and a buffer piston unit embedded in a waist-shaped hole, and the cam enables the buffer piston unit to enable hydraulic pressure in a first oil cavity to flow into a second oil cavity through the hydraulic valve. According to the bidirectional-actuating hydraulic closer, the hydraulic oil chamber of the blind hole of the piston assembly is mounted in the cavity in the shell, the piston assembly is composed of the piston rod and the buffering piston unit, bidirectional actuation can be achieved in the using process, the actuating closing spring force can be adjusted, and the bidirectional-actuating hydraulic closer is used for a door and is convenient to mount.
Description
Technical Field
The invention relates to the technical field of door closer for door leaves, in particular to a bidirectional actuating hydraulic closer.
Background
In conventional door hydraulics, a free gap or play may occur in some cases between the eccentric cam and the movable piston unit, which may cause safety problems, and the door may suddenly bump into the end user due to strong external forces.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the problems presented by the background art and to provide a hydraulic closer with bidirectional actuation.
In order to achieve the purpose, the invention provides the following technical scheme: a two-way actuated hydraulic closer comprises a shell, a piston assembly, a spring, a force adjuster and a hydraulic valve, wherein the piston assembly is used for reciprocating in a shell cavity, a connecting shaft is vertically arranged in the middle of the shell and comprises a cam extending in the shell cavity and a rotating shaft penetrating into the cam, a piston body is arranged in the shell on the right side of the cam, a buffer piston unit is arranged in the shell on the left side of the cam, the force adjuster is arranged on a right end head of the shell and is in contact with one end of the spring arranged in the shell, the other end of the spring is in contact with the piston body, and an end cover is arranged on the right end of the shell;
the end of a force adjusting screw rod extending out of the middle part of a force adjuster arranged on the shell is connected with a conical gear A, the upper end of the shell is fixed with an installation plate through a screw, a fine adjustment bolt is screwed on the right side of the installation plate, and the lower end of the fine adjustment bolt is provided with a conical gear B meshed with the conical gear A;
the piston assembly comprises a piston body and a buffering piston unit embedded in the waist-shaped hole, the buffering piston unit sets a cavity into a first oil cavity and a second oil cavity, a hydraulic valve is arranged on the first oil cavity, a buffering spring is arranged in the second oil cavity between the buffering piston unit and the end cover, and the cam enables the buffering piston unit to enable hydraulic pressure in the first oil cavity to flow into the second oil cavity through the hydraulic valve.
Preferably, the buffer piston unit comprises a buffer piston, a first roller and a sealing valve, a guide shaft is arranged on the buffer piston, the guide shaft is embedded in a waist-shaped hole of the piston body, the first roller is arranged on the guide shaft through a pin rod, a valve hole is arranged in a sealing groove arranged on the outer side of the buffer piston, the pin rod is arranged in a shaft hole at the front end of the guide shaft, the sealing valve is arranged in the valve hole in the middle of the buffer piston, and a sealing ring is arranged on the outer side of the valve hole.
Preferably, the piston body comprises a piston and a second roller, the piston is provided with a guide kidney-shaped hole, the piston contacts with a spring, the piston body is driven to move by the spring loading force, the cam is applied to rotate relatively through the second roller, the cam is actuated to rotate oppositely, the cam is abutted against the second roller to enable the cam to displace relatively, and the second roller is installed inside the piston through a roller shaft.
Preferably, the force regulator comprises a force regulating end cover, a force regulating screw rod, a force regulating sheet and a screw rod screw, the force regulating end cover is installed at the front end of the force regulating screw rod, a sealing ring is arranged at the joint of the force regulating end cover and the force regulating screw rod, the force regulating end cover is fixed on the shell, the force regulating sheet is installed in the middle of the force regulating screw rod, a gasket is arranged on the side face of the force regulating sheet, and the screw rod screw is fixed at the bottom of the force regulating screw rod.
Preferably, the connecting shaft includes a second roller on the piston body and a first roller on the buffer piston unit, the second roller is in contact with the cam in a rotating manner, and the connecting shaft vertically penetrates through the piston body and is connected to the bearing hole of the housing.
Preferably, the piston on the piston body arranged on the side face of the connecting shaft and the buffer piston arranged on the buffer piston unit are attached to the side face of the cavity in the shell.
Compared with the prior art, the invention has the beneficial effects that: according to the hydraulic closer with the bidirectional actuation, the hydraulic oil chamber of the blind hole of the piston assembly is mounted in the cavity inside the shell, the hydraulic oil chamber is divided into the first oil chamber and the second oil chamber by the buffer piston unit, the first oil chamber and the second oil chamber are in fluid connection with each other, the piston assembly is composed of the piston rod and the buffer piston unit, the bidirectional actuation can be achieved in the using process, the actuated closing spring force can be adjusted, the hydraulic closer is used for a door and is convenient to mount, and the elastic force of the buffer spring can be adjusted through the bevel gear on the side face.
Drawings
FIG. 1 is an expanded view of the structure of the present invention;
FIG. 2 is a schematic view of a piston assembly of the construction of the present invention;
FIG. 3 is an expanded view of the piston body of the present invention construction;
FIG. 4 is a perspective view of a piston body constructed in accordance with the present invention;
FIG. 5 is a schematic view of a cushion piston unit of the present invention;
FIG. 6 is a perspective view of a cushion piston constructed in accordance with the present invention;
FIG. 7 is a schematic cross-sectional view of a cushioning piston constructed in accordance with the present invention;
FIG. 8 is a schematic diagram of a force regulator of the present invention;
FIG. 9 is a schematic view of a piston assembly and cam arrangement of the present invention;
FIG. 10 is a schematic diagram of the bi-directional actuation of the structure of the present invention;
fig. 11 is an installation schematic of the structure of the present invention.
In the figure: 1. an end cap; 2. a buffer piston unit; 20. a cushion piston; 201. a guide shaft; 202. a sealing groove; 203. a valve bore; 204. a shaft hole; 21. a sealing valve; 22. a seal ring; 23. a first roller; 24. a pin rod; 3. a housing; 4. a piston body; 41. a piston; 411. a kidney-shaped hole; 42. a second roller; 43. a roller shaft; 5. a spring; 6. a force adjuster; 60. a seal ring; 61. force adjusting end covers; 62. force adjusting screw rods; 63. force adjusting sheets; 64. a gasket; 65. a screw bolt; 7. a buffer spring; 8. a hydraulic valve; 9. a connecting shaft; 91. a cam; 92. a rotating shaft; 10. a bevel gear A; 11. a bevel gear B; 12. fine-tuning the bolt; 13. and (7) mounting the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a two-way actuated hydraulic closer comprises a shell 3, a piston assembly used for reciprocating in a cavity of the shell 3, a spring 5, a force regulator 6 and a hydraulic valve 8, wherein a connecting shaft 9 is vertically arranged in the middle of the shell 3, the connecting shaft 9 comprises a cam 91 extending in the cavity of the shell 3 and a rotating shaft 92 penetrating in the cam 91, a piston body 4 is arranged in the shell 3 on the right side of the cam 91, a buffer piston unit 2 is arranged in the shell 3 on the left side of the cam 91, the force regulator 6 is arranged on the right end of the shell 3, the force regulator 6 is in contact with one end of the spring 5 arranged in the shell 3, the other end of the spring 5 is in contact with the piston body 4, an end cover 1 is arranged on the right end of the shell 3, the end of a force regulating screw 62 extending out of the middle of the force regulator 6 arranged on the shell 3 is connected with a bevel gear A10, and a mounting plate 13 is fixed on the upper end of the shell 3 through screws, and the right side of the mounting plate 13 is in threaded connection with a fine adjustment bolt 12, the lower end of the fine adjustment bolt 12 is provided with a conical gear B11 meshed with a conical gear A10, the fine adjustment bolt 12 can be rotated when adjustment is needed, the conical gear B11 rotates to further enable the conical gear A10 to rotate, the conical gear A10 drives a force adjuster 6 to adjust the preset elastic force of a spring 5, the piston assembly comprises a piston body 4 and a buffering piston unit 2 embedded in a kidney-shaped hole 411, the buffering piston unit 2 is provided with a cavity which is a first oil cavity and a second oil cavity, a hydraulic valve 8 is arranged on the first oil cavity, a buffering spring 7 is arranged inside the second oil cavity between the buffering piston unit 2 and an end cover 1, and the cam 91 enables the buffering piston unit 2 to enable the hydraulic pressure in the first oil cavity to flow into the second oil cavity through the hydraulic valve 8.
The housing 3 can be connected to a door leaf, in particular a glass door leaf, by means of a mounting plate 13, in particular the housing 3 can be clamped to the door leaf, in other words, the housing 3 serves as a clamping seat for the door leaf, in particular, the rotating shaft 92 at the upper end of the housing 3 can be installed to the door, and when the door leaf is being opened or closed, the housing 3 is rotated along with the swing motion of the door leaf connecting shaft 9, thereby pushing the piston body 4 to slide in the housing 3, and pushing the damping piston unit 2 on the other side to slide in the housing 3, and the damping spring 7 acts on the damping piston unit 2, so that the damping piston unit 2 reciprocates inside the housing 3, while the hydraulic pressure in the first oil chamber on the left side of the damping piston unit 2 is fed into the second oil chamber through the hydraulic valve 8 to function as a damping part for damping the movement of the door leaf, and the generated damping force resists the external force applied to the door leaf.
The damping piston unit 2 includes a damping piston 20, a first roller 23, and a sealing valve 21, the damping piston 20 is provided with a guide shaft 201, the piston body 4 is inserted into the kidney-shaped hole 411 through the guide shaft 201, and the first roller 23 is provided to the guide shaft 201 through the pin 24, meanwhile, a valve hole 203 is installed in a sealing groove 202 formed at the outer side of the damping piston 20, and a pin 24 is installed in a shaft hole 204 formed at the front end of the guide shaft 201, and the sealing valve 21 is installed in the valve hole 203 in the middle of the buffer piston 20, the sealing ring 22 is arranged outside the valve hole 203, the piston body 4 comprises a piston 41 and a second roller 42, the piston 41 is provided with a guide kidney-shaped hole 411, the piston 41 contacts the spring 5, the spring 5 is loaded with force to drive the piston body 4 to move, and applies a relative rotation of the cam 91 through the second roller 42, and reversely actuates the rotation of the cam 91 to abut against the second roller 42 to relatively displace the cam 91, while the second roller 42 is installed inside the piston 41 through the roller shaft 43.
The force adjuster 6 comprises a force adjusting end cover 61, a force adjusting screw 62, a force adjusting sheet 63 and a screw bolt 65, the force adjusting end cover 61 is mounted at the front end of the force adjusting screw 62, a sealing ring 60 is arranged at the joint of the force adjusting end cover 61 and the force adjusting screw 62, the force adjusting end cover 61 is fixed on the shell 3, the force adjusting sheet 63 is mounted in the middle of the force adjusting screw 62, a gasket 64 is arranged on the side surface of the force adjusting sheet 63, the screw bolt 65 is fixed at the bottom of the force adjusting screw 62, and the force adjusting screw 62 is rotated during use to push the force adjusting sheet 63 to slide on the force adjusting screw 62, so that the distance between the force adjusting sheet 63 and the screw bolt 65 is adjusted, and the pressure of the adjusting spring 5 is achieved.
The connecting shaft 9 comprises a second roller 42 which is in cam rotation and evenly contacts with the piston body 4 and a first roller 23 on the buffering piston unit 2, the connecting shaft 9 vertically penetrates through a bearing hole which is formed in the piston body 4 and connected to the shell 3, a piston 41 which is arranged on the piston body 4 and on the side face of the connecting shaft 9 and a buffering piston 20 which is arranged on the buffering piston unit 2 are attached to the side face of a cavity inside the shell 3, the connecting shaft 9 is of a heart-shaped structure, and the connecting shaft 9 rotates around a rotating shaft 92 to push the first roller 23 and the second roller 42 to reciprocate so as to push the buffering piston unit 2 or the piston body 4 to realize the actuating effect inside the shell 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A two-way actuated hydraulic closer comprising a housing (3), a piston assembly for reciprocating movement within a cavity of the housing (3), a spring (5), a force adjuster (6) and a hydraulic valve (8), characterized in that: the connecting shaft (9) is vertically arranged in the middle of the shell (3), the connecting shaft (9) comprises a cam (91) extending into a cavity of the shell (3) and a rotating shaft (92) penetrating through the inside of the cam (91), a piston body (4) is arranged inside the shell (3) on the right side of the cam (91), a buffer piston unit (2) is arranged inside the shell (3) on the left side of the cam (91), the force regulator (6) is arranged on the right end of the shell (3), the force regulator (6) is in contact with one end of a spring (5) arranged inside the shell (3), the other end of the spring (5) is in contact with the piston body (4), and an end cover (1) is arranged on the right end of the shell (3);
the end of a force adjusting screw rod (62) extending out of the middle of a force adjuster (6) arranged on the shell (3) is connected with a conical gear A (10), the upper end of the shell (3) is fixed with an installation plate (13) through a screw, a fine adjustment bolt (12) is screwed on the right side of the installation plate (13), and a conical gear B (11) meshed with the conical gear A (10) is arranged at the lower end of the fine adjustment bolt (12);
the piston assembly comprises a piston body (4) and a buffering piston unit (2) embedded in a waist-shaped hole (411), the cavity of the buffering piston unit (2) is set to be a first oil cavity and a second oil cavity, a hydraulic valve (8) is arranged on the first oil cavity, a buffering spring (7) is installed inside the second oil cavity between the buffering piston unit (2) and an end cover (1), and a cam (91) enables the buffering piston unit (2) to enable hydraulic pressure in the first oil cavity to flow into the second oil cavity through the hydraulic valve (8).
2. A bi-directionally actuated hydraulic closer of claim 1, wherein: buffer piston unit (2) are including buffer piston (20), first gyro wheel (23) and seal valve (21), be equipped with guiding axle (201) on buffer piston (20), inlay in kidney type hole (411) of piston body (4) through guiding axle (201), and establish at guiding axle (201) through pin rod (24) first gyro wheel (23), install valve opening (203) in seal groove (202) that buffer piston (20) outside set up simultaneously, and install in shaft hole (204) of guiding axle (201) front end pin rod (24), and seal valve (21) are installed in valve opening (203) at buffer piston (20) middle part, and the valve opening (203) outside is provided with sealing ring (22).
3. A bi-directionally actuated hydraulic closer of claim 1, wherein: the piston body (4) comprises a piston (41) and a second roller (42), a guide kidney-shaped hole (411) is formed in the piston (41), the piston (41) contacts with a spring (5), the spring (5) is loaded with force to enable the piston body (4) to move, the cam (91) is applied to rotate relatively through the second roller (42), the cam (91) is actuated to rotate oppositely to abut against the second roller (42) to enable the cam (91) to displace relatively, and meanwhile the second roller (42) is installed inside the piston (41) through a roller shaft (43).
4. A bi-directionally actuated hydraulic closer of claim 1, wherein: force modulation ware (6) are including adjusting power end cover (61), accent power screw rod (62), accent power piece (63) and screw bolt (65), and accent power screw rod (62) front end installs accent power end cover (61), and accent power end cover (61) and accent power sealing washer (60) that power screw rod (62) junction set up, and accent power end cover (61) are fixed on casing (3), accent power screw rod (62) mid-mounting has accent power piece (63), and accent power piece (63) side is provided with gasket (64), and accent power screw rod (62) bottom is fixed with screw bolt (65).
5. A bi-directionally actuated hydraulic closer of claim 1, wherein: the connecting shaft (9) comprises a second roller (42) which is in uniform contact with the piston body (4) in the rotating process of the cam and a first roller (23) on the buffering piston unit (2), and the connecting shaft (9) vertically penetrates through a bearing hole formed in the piston body (4) and is connected to the shell (3).
6. A bi-directionally actuated hydraulic closer of claim 1, wherein: and a piston (41) arranged on a piston body (4) on the side surface of the connecting shaft (9) and a buffer piston (20) arranged on the buffer piston unit (2) are attached to the side surface of the cavity in the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134902.XA CN113356713A (en) | 2020-03-02 | 2020-03-02 | Two-way actuated hydraulic closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134902.XA CN113356713A (en) | 2020-03-02 | 2020-03-02 | Two-way actuated hydraulic closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113356713A true CN113356713A (en) | 2021-09-07 |
Family
ID=77523075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010134902.XA Pending CN113356713A (en) | 2020-03-02 | 2020-03-02 | Two-way actuated hydraulic closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356713A (en) |
-
2020
- 2020-03-02 CN CN202010134902.XA patent/CN113356713A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1707056B (en) | Door closer | |
| GB2261915A (en) | Method of swinging a pivoted door to a selected position and cam and follower mechanism for use in the method | |
| CN210530582U (en) | Damping mechanism for a hinge or door closer | |
| US7003847B2 (en) | Door closer | |
| CN211623036U (en) | Adjustable hinge | |
| CN212406435U (en) | Two-way actuated hydraulic closer | |
| KR101109574B1 (en) | An oilpressure-type floor hinge apparatus for door | |
| CN113356713A (en) | Two-way actuated hydraulic closer | |
| AU2013321794B2 (en) | Door closer | |
| CN211974694U (en) | Multifunctional closer | |
| CN201326333Y (en) | Hinge | |
| KR100813876B1 (en) | Auto hinge device for door | |
| CN114541900A (en) | Buffering hinge | |
| KR101988114B1 (en) | Door closer | |
| CN215056433U (en) | Cam type hidden door closer | |
| CN219654517U (en) | Speed regulation structure with hidden buffer hinge | |
| US1007523A (en) | Combined door closer and check for doors. | |
| JP7480028B2 (en) | Door closer | |
| CN210798610U (en) | Valve needle assembly of hydraulic hinge | |
| CN220889911U (en) | Double-adjusting door closer | |
| CN215949206U (en) | Hidden door closer | |
| CN218150425U (en) | Force adjustable door closer | |
| CN215255488U (en) | Mandrel capable of adjusting oil return speed and hydraulic hinge with mandrel | |
| CN220434515U (en) | Buffer type door closing hinge | |
| CN215761109U (en) | Double-opening hydraulic hinge with adjustable buffering speed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |