CN109138683B - Simple door closer - Google Patents
Simple door closer Download PDFInfo
- Publication number
- CN109138683B CN109138683B CN201811091385.1A CN201811091385A CN109138683B CN 109138683 B CN109138683 B CN 109138683B CN 201811091385 A CN201811091385 A CN 201811091385A CN 109138683 B CN109138683 B CN 109138683B
- Authority
- CN
- China
- Prior art keywords
- end cover
- limiting
- door closer
- connecting piece
- tubular assembly
- 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.)
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 4
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1008—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring parallel with the pivot axis
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention discloses a simple door closer which comprises a mounting seat, a first end cover, a second end cover, a torsion spring, a first limiting pin, a second limiting pin, a rotating connecting piece and a stop lever, wherein the first end cover and the second end cover are respectively covered at two end openings of a tubular assembly part of the mounting seat, a positioning notch is formed at the end part of the tubular assembly part, on which the first end cover is mounted, the rotating connecting piece is rotatably mounted at the positioning notch, the first limiting pin is connected with the rotating connecting piece and the first end cover, the second limiting pin is connected with the tubular assembly part and the second end cover, the torsion spring is mounted in the tubular assembly part, two ends of the torsion spring are respectively connected with the first end cover and the second end cover, the stop lever is mounted on the rotating connecting piece, the mounting seat comprises a metal plate, one side of the metal plate is directly curled and clung to the surface of the metal plate, the metal plate is closed to form a circular tube shape, and the non-curled part of the metal plate is used as the tubular assembly part of the mounting seat for fixedly connecting with a door frame. The invention has lower cost.
Description
Technical Field
The invention relates to a simple door closer.
Background
As shown in fig. 1, the existing simple door closer comprises a mounting seat 1, a first end cover 3, a second end cover 4, a torsion spring, a first limiting pin 5, a second limiting pin 6, a rotary connecting piece 2 and a stop lever 7, wherein a plate-shaped fixing part 11 and a tubular assembling part 12 are arranged on the mounting seat 1, the first end cover 3 and the second end cover 4 are respectively inserted into an upper port and a lower port of the tubular assembling part 12, insertion holes are respectively arranged at the inner ends of the first end cover 3 and the second end cover 4, the torsion spring is arranged in the tubular assembling part, the torsion spring is arranged inside the tubular assembling part 12, insertion posts extending outwards are respectively arranged at two ends of the torsion spring, the insertion posts at two ends of the torsion spring are respectively inserted into the insertion holes of the first end cover 3 and the second end cover 4, the rotary connecting piece 2 is arranged at a positioning notch of the upper end of the tubular assembling part and sleeved on the first end cover 3, the first limiting pin 5 is connected with the rotary connecting piece 2 and the first end cover 3, and the second limiting pin 6 is used for locking the second end cover 4. Such existing simple door closers are favored by many customers, and the main selling points of such existing simple door closers are low cost and simple assembly.
However, the existing simple door closer has a part of defects, which also affect the cost, the assembly easiness and the service life of the simple door closer, so that the limit selling of the simple door closer is affected. Such simple door closers have mainly the following drawbacks:
1. fig. 2 shows a mounting seat 1 of a conventional simple door closer, which is an integrally formed aluminum alloy section. The disadvantage of such mounts is that the processing and material costs are high, thereby increasing the cost of the simple door closer.
As shown in fig. 3, another mounting seat 1 of a conventional simple door closer is formed by bending a metal plate in the middle, overlapping and flattening two sides of the metal plate to form a plate-shaped fixing portion 11 of the mounting seat, and arching the middle of the metal plate to form a tubular assembling portion 12 of the mounting seat, wherein the mounting seat is lower in cost than the above aluminum alloy mounting seat, but the tubular assembling portion 12 cannot be completely formed into a circular tube shape due to bending forming in the middle of the metal plate, the side of the cross section of the mounting seat, which is close to the plate-shaped fixing portion 11, extends out of a triangular extending hole 121, and neither the first end cover 3 nor the second end cover 4 can cover the triangular extending hole 121, so that dust, water drops and the like can easily enter the inside of the mounting seat from the triangular extending hole 121, thereby shortening the service life of the simple door closer.
2. In the assembly process of the existing simple door closer, the first end cover 3 needs to be installed, then the torsion spring is plugged in from the lower end, and the plug hole of the first end cover 3 is located in the tubular assembly part 12 due to machining precision and artificial reasons, so that the plug post of the torsion spring is difficult to align and insert into the plug hole of the first end cover 3, even if the plug post of the torsion spring is finally inserted into the plug hole of the first end cover 3 after taking time, the second end cover 4 is covered, at the moment, the torsion spring is located in the tubular assembly part 12, and the plug hole of the second end cover 4 is difficult to observe when the second end cover 4 is installed, so that the plug post of the lower end of the torsion spring is also difficult to align. This will take a lot of assembly time, seriously affecting the ease of assembly.
3. Because of the structure of the existing simple door closer, the structures of the first end cover 3 and the second end cover 4 are different, so that the first end cover 3 and the second end cover 4 are required to be distinguished during assembly, assembly errors are easy to occur, the assembly simplicity is affected, and different first end covers 3 and second end covers 4 also need different working procedures to be processed, so that the cost of the simple door closer is also increased.
In addition, because of the structural requirements, the first end cap 3 and the second end cap 4 are both solid, which is also relatively costly.
Disclosure of Invention
The invention aims to solve the technical problem of providing a simple door closer with lower cost.
The technical scheme adopted by the invention is as follows:
a simple door closer comprises a mounting seat, a first end cover, a second end cover, a torsion spring, a first limiting pin, a second limiting pin, a rotating connecting piece and a stop lever, wherein the first end cover and the second end cover are respectively covered at two ports of a tubular assembly part of the mounting seat, a positioning notch is formed in the end part of the tubular assembly part, provided with the first end cover, of the tubular assembly part, the rotating connecting piece is rotatably arranged at the positioning notch, the first limiting pin is connected with the rotating connecting piece and the first end cover, the second limiting pin is connected with the tubular assembly part and the second end cover, the torsion spring is arranged in the tubular assembly part, two ends of the torsion spring are respectively connected with the first end cover and the second end cover, the stop lever is arranged on the rotating connecting piece, the mounting seat comprises a metal plate, one side of the metal plate is directly bent and clung to the surface of the metal plate, the metal plate is closed to form a circular tube shape, and the non-bent part of the metal plate is used for being fixedly connected with a door frame.
Further, the simple door closer further comprises a column body, a jack is arranged on the surface of one end of the column body, the jack deviates from the center of the column body, the first end cover and the second end cover are identical in structure, connecting round pipes are arranged at one ends of the first end cover and the second end cover, the connecting round pipes are inserted into the tubular assembly part, the rotary connecting piece is movably sleeved on the connecting round pipes of the first end cover, the column body is detachably inserted into the second end cover, the jack of the column body faces the inside of the tubular assembly part, the first limiting pin penetrates through the rotary connecting piece and is inserted into or penetrates through the connecting round pipes of the first end cover, the second limiting pin penetrates through the connecting round pipes of the tubular assembly part and the second end cover and is inserted into the column body, the inserting columns at one end of the torsion spring are inserted into the jack, and the side faces of the inserting columns at the other end directly lean against the side faces of the first limiting pins.
Further, two pairs of second limiting holes are formed in the pipe wall of the connecting circular pipe, the side face of the cylinder corresponds to the second limiting hole Kong Kaiyou, the end portion of the tubular assembly part, provided with the second end cover, is provided with the first limiting hole, the rotating connecting piece is provided with the fourth limiting hole which is two symmetrical, the first limiting pin penetrates through the fourth limiting hole and the second limiting hole on one side and then penetrates out of the second limiting hole and the fourth limiting hole on the other side, and the second limiting pin penetrates through the first limiting hole and one of the second limiting holes and then is inserted into one of the third limiting holes.
Further, the inner wall of the connecting circular tube is provided with a convex strip extending along the length direction, the side surface of the column body is provided with a groove corresponding to the convex strip, and the convex strip is correspondingly embedded into the groove.
Furthermore, the simple door closer also comprises a stop lever limiting seat, wherein the stop lever limiting seat is fixedly arranged on the door plate, and a limiting chute is arranged on the stop lever limiting seat; when the door is used, the stop lever is tightly pressed in the limiting sliding groove under the torsion action of the torsion spring, and slides in the limiting sliding groove in the door opening and closing process.
Further, one end of the stop lever is hinged to the rotary connecting piece.
Further, the rotary connecting piece comprises a clamp body and a connecting bolt, and the end part of the stop lever, which is used for hinging, penetrates through the connecting bolt and is positioned between two connecting lugs of the clamp body.
Further, an inner hexagonal counter bore is formed in the outer end face of the second end cover.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can manufacture the mounting seat of the simple door closer by directly bending one side of the metal plate, has simple production process, reduces the production cost and also reduces the material cost. And through direct bending, can roll up out the perfect circle tubular, can not appear oval or extend other hole sites, guaranteed that first end cover and second end cover can cover the both ends mouth of tubular assembly portion completely, prevent outside dust, water droplet etc. to get into inside the tubular assembly portion, prolonged simple and easy door closer's life.
2. According to the invention, the first end cover and the second end cover can be arranged to be end covers with the same structure by additionally arranging the column bodies, so that the first end cover and the second end cover can be mutually used in common during assembly, confusion can not occur, and the assembly is simpler and easier. In addition, when the torsion spring is installed, the inserted column at one end of the torsion spring can be inserted into the insertion hole of the column body first, then the inserted column is plugged into the tubular assembly part, the other end of the torsion spring does not need to be aligned, the second end cover is rotated, and the side face of the inserted column at the other end of the torsion spring can be directly abutted against the side face of the first limiting pin. Therefore, the torsion spring does not need to spend a great deal of time to align the jack during installation, so that the simple door closer disclosed by the invention is simpler and easier to assemble, saves more time and improves the efficiency.
The improvement in the aspect of the structure can greatly improve the market competitiveness of the simple door closer product.
Drawings
FIG. 1 is a schematic perspective view of a prior art simple door closer;
FIG. 2 is a schematic view of a mounting base of a simple door closer;
FIG. 3 is a schematic view of a mounting base of another conventional simple door closer;
FIG. 4 is a schematic perspective view of a simple door closer of the present invention;
FIG. 5 is an exploded schematic view of the simple door closer of the present invention;
FIG. 6 is a schematic view of the mounting base of the simple door closer of the present invention;
FIG. 7 is a schematic view of the assembly of the cylinder of the simple door closer of the present invention with the second end cap;
FIG. 8 is a top view of the simple door closer of the present invention;
FIG. 9 is a cross-sectional view of A-A of FIG. 8;
FIG. 10 is a cross-sectional view of B-B in FIG. 8
Fig. 11 is a schematic view of the simple door closer of the present invention mounted to a door panel and a door frame.
Detailed Description
The invention is further described below with reference to examples.
The simple door closer of the present embodiment, as shown in fig. 4, 5, 8, 9 and 10, includes a mounting base 1, a first end cap 3, a second end cap 4, a torsion spring 8, a first limit pin 5, a second limit pin 6, a rotational connector 2 and a stop lever 7.
As shown in fig. 6, the mounting base 1 includes a metal plate, one side of the metal plate is directly bent and closely attached to the surface of the metal plate, and is closed to form a circular tube shape, and a tubular assembly portion 12 for mounting the first end cover, the second end cover, the torsion spring, the first limiting pin, the second limiting pin, the rotation connector and the bar is used as the mounting base, the tubular assembly portion is the tubular assembly portion of the mounting base described in the background art, the non-bent portion of the metal plate is in a flat plate shape, and as a plate-shaped fixing portion 11, the plate-shaped fixing portion 11 is used for fixedly connecting with the door frame 101.
For better cost reduction, the assembly difficulty is reduced, the assembly time is saved, the simple door closer of the embodiment further comprises a column body 9, a jack 92 is arranged on one end surface of the column body 9, the jack 92 deviates from the center of the column body 9, the structure of the first end cover 3 and the structure of the second end cover 4 can be set to be identical due to the fact that the column body 9 is arranged, products are not affected, the first end cover 3 and the second end cover 4 are provided with connecting round tubes 41 at one ends of the first end cover and the second end cover, and therefore the first end cover can be used as the second end cover, and the second end cover can also be used as the first end cover. The first end cover 3 and the second end cover 4 are respectively covered at two ports of the tubular assembly part 12, the connecting circular tube 41 is inserted into the tubular assembly part 12, of course, the first end cover 3 and the second end cover 4 can freely rotate, a positioning notch 13 is formed at the end of the tubular assembly part 12, where the first end cover 3 is installed, the rotating connecting piece 2 is positioned at the positioning notch 13 and movably sleeved on the connecting circular tube 41 of the first end cover 3, the cylinder 9 is detachably inserted into the connecting circular tube 41 of the second end cover 4, the jack 92 of the cylinder 9 faces the inside of the tubular assembly part, the first limiting pin 5 passes through the rotating connecting piece 2 and is inserted into or penetrates through the connecting circular tube 41 of the first end cover 3, the second limiting pin 6 passes through the connecting circular tube 41 of the tubular assembly part 12 and the second end cover 4 and is inserted into the cylinder 9, the side face of the inserting post 81 at one end of the torsion spring 8 in the tubular assembly part 12 is directly abutted against the side face of the first limiting pin 5, and the side face of the inserting post 81 at the lower end of the torsion spring 8 is directly abutted against the side face of the inserting post 81 at the side face of the first limiting pin 5 in fig. 4 and 5. Regardless of whether the first stopper pin 5 is inserted into or penetrates the connecting round tube 41 of the first end cap 3, the side face of the plug 81 at the upper end of the torsion spring 8 can be finally abutted against the side face of the first stopper pin 5 by rotation.
When the adjustable torsion spring is used, the second limiting pin 6 is pulled out, the second end cover 4 can be rotated, the second end cover 4 can drive the torsion spring 8 to rotate, so that torsion of the torsion spring 8 is adjusted, the torsion of the torsion spring 8 acts on the rotating connecting piece 2 through the first limiting pin 5, so that the torsion spring acts on the stop lever 7, and after the second end cover 4 is adjusted, the second limiting pin 6 is inserted through the fine adjustment alignment hole.
The pipe wall of the connecting circular pipe 41 is provided with two or more second limiting holes 411 which are symmetrical in pairs, four second limiting holes 411 are uniformly distributed on the pipe wall of the connecting circular pipe, the side surface of the column 9 is provided with third limiting holes 93 corresponding to the second limiting holes 411, the side surface of the column 9 of the embodiment is also provided with four third limiting holes 93 corresponding to the uniform distribution, the end of the tubular assembly part 12 provided with the second end cover 4 is provided with a first limiting hole 14, and the embodiment is provided with a first limiting hole 14, and the rotating connecting piece 2 is provided with two symmetrical fourth limiting holes 22. The first limiting pin 5 passes through the fourth limiting hole and the second limiting hole on one side and then passes through the second limiting hole and the fourth limiting hole on the other side, so that the first limiting pin 5 in the embodiment is a connecting circular tube 41 penetrating through the first end cover 3, and the second limiting pin 6 passes through the first limiting hole and one of the second limiting holes and then is inserted into one of the third limiting holes; the torsion of the torsion spring 8 can be adjusted by rotating the second end cap 4 and inserting the second stop pin 6 into a different third stop hole.
The manner of adjusting the second end cap 9 may be: the second end cover can be directly rotated by a spanner or a vice to realize adjustment; the outer end of the end cover is also provided with an inner hexagonal counter bore, and the second end cover is rotated by a hexagonal column tool, so that the adjustment is realized; the external side of the end cover can also be provided with insections, so that the second end cover can be conveniently rotated by hands directly or through a spanner and a vice, and the structure and the mode of the second end cover can be realized through various rotation modes.
The structure of the column 9 of this embodiment detachably inserted into the second end cap 4 is: as shown in fig. 7, the inner wall of the connecting circular tube 41 is provided with a protruding strip 412 extending in the longitudinal direction, the side surface of the column 9 is provided with a groove 91 corresponding to the protruding strip 412, and when the column 9 is inserted into the second end cap 4, the protruding strip 412 is correspondingly inserted into the groove 91, thereby preventing the column 9 from rotating, and the column 9 can be poured out of the connecting circular tube 41. As shown in fig. 7, two vertical protruding strips 412 are provided on the inner wall of the connecting circular tube 41, the protruding strips 412 are formed by punching, and two grooves 91 are provided on the side surface of the column 9. Of course, the structure of the cylinder detachably inserted into the second end cover may be other structures capable of detachably inserting the cylinder, for example, the cylinder is plugged into the connecting circular tube and is connected with the connecting circular tube through a screw.
The simple door closer of the embodiment further comprises a stop lever limiting seat 103, the stop lever limiting seat 103 is fixedly arranged on the door plate 102, and a limiting sliding groove 104 is formed in the stop lever limiting seat 103. As shown in fig. 11, when in use, the stop lever 7 is pressed in the limit chute 104 under the torsion action of the torsion spring 8, and the stop lever 7 slides transversely in the limit chute 104 in the process of opening and closing the door. After the door is opened and released, the door panel 102 is automatically closed by the force of the bar 7.
One end of the stop lever 7 is hinged on the rotary connecting piece 2, and the stop lever 7 can rotate up and down, so that the stop lever 7 can be rotated up or down to finish storage when not in use.
The structure of the rotary connector of this embodiment is: the rotary connecting piece 2 comprises a clamp body and a connecting bolt 23, the end of the stop lever 7 for hinging is penetrated on the connecting bolt 23 and is positioned between two connecting lugs 21 of the clamp body, and the force for clamping the stop lever 7 can be adjusted by adjusting the connecting bolt 23.
As shown in fig. 11, the simple door closer of this embodiment is installed on a right door, and when the simple door closer needs to be installed on a left door, the simple door closer can be rotated up and down by 180 ° to adapt to the left door, and another simple door closer symmetrical to the simple door closer installed on the right door in structure can be installed on the left door.
The above-mentioned embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present invention according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present invention shall fall within the scope of the present invention.
Claims (7)
1. The utility model provides a simple and easy door closer, its includes mount pad, first end cover, second end cover, torsion spring, first spacer pin, second spacer pin, rotates connecting piece and pin, first end cover and second end cover are in respectively the both ends mouth department of the tubular assembly portion of mount pad install the tip of first end cover is opened there is the location incision, rotate the connecting piece rotatable install location incision department, first spacer pin is connected rotate connecting piece and first end cover, the second spacer pin is connected tubular assembly portion and second end cover, torsion spring installs in the tubular assembly portion, torsion spring's both ends respectively with first end cover and second end cover are connected, the pin is installed rotate on the connecting piece, its characterized in that: the mounting seat comprises a metal plate, one side of the metal plate is directly bent and clung to the surface of the metal plate, the metal plate is closed to form a circular tube shape, and the unbent part of the metal plate is used for being fixedly connected with the door frame as a tubular assembly part of the mounting seat;
the simple door closer also comprises a column body, a jack is arranged on the surface of one end of the column body, the jack deviates from the center of the column body, the first end cover and the second end cover are identical in structure, connecting round pipes are arranged at one ends of the first end cover and the second end cover, the connecting round pipes are inserted into the tubular assembly part, the rotating connecting piece is movably sleeved on the connecting round pipes of the first end cover, the column body is detachably inserted into the second end cover, the jack of the column body faces the inside of the tubular assembly part, the first limiting pin penetrates through the rotating connecting piece and is inserted into or penetrates through the connecting round pipes of the first end cover, the second limiting pin penetrates through the tubular assembly part and the connecting round pipes of the second end cover and is inserted into the column body, the inserting columns at one ends of the torsion springs are inserted into the jack, and the side faces of the inserting columns at the other ends are directly abutted against the side faces of the first limiting pins.
2. The easy door closer of claim 1, wherein: the pipe wall of the connecting circular pipe is provided with a plurality of second limiting holes which are symmetrical in pairs, the side face of the cylinder corresponds to the third limiting hole of the second limit Kong Kaiyou, the end part of the tubular assembly part, which is provided with the second end cover, is provided with a first limiting hole, the rotating connecting piece is provided with a fourth limiting hole which is symmetrical in pairs, the first limiting pin penetrates through the fourth limiting hole and the second limiting hole on one side and then penetrates out of the second limiting hole and the fourth limiting hole on the other side, and the second limiting pin penetrates through the first limiting hole and one of the second limiting holes and then is inserted into one of the third limiting holes.
3. A simple door closer according to claim 1 or 2, wherein: the inner wall of the connecting circular tube is provided with a raised line extending along the length direction, the side surface of the column body is provided with a groove corresponding to the raised line, and the raised line is correspondingly embedded into the groove.
4. The easy door closer of claim 1, wherein: the simple door closer also comprises a stop lever limiting seat, wherein the stop lever limiting seat is fixedly arranged on the door plate, and a limiting chute is arranged on the stop lever limiting seat; when the door is used, under the torsion action of the torsion spring, the stop lever is tightly pressed in the limiting chute, and in the process of opening and closing the door, the stop lever slides in the limiting chute.
5. The easy door closer of claim 1, wherein: one end of the stop lever is hinged on the rotary connecting piece.
6. The easy door closer of claim 5, wherein: the rotary connecting piece comprises a clamp body and a connecting bolt, and the end part of the stop lever, which is used for hinging, penetrates through the connecting bolt and is positioned between two connecting lugs of the clamp body.
7. The easy door closer of claim 1, wherein: and an inner hexagonal counter bore is formed in the outer end face of the second end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091385.1A CN109138683B (en) | 2018-09-18 | 2018-09-18 | Simple door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091385.1A CN109138683B (en) | 2018-09-18 | 2018-09-18 | Simple door closer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138683A CN109138683A (en) | 2019-01-04 |
| CN109138683B true CN109138683B (en) | 2024-03-15 |
Family
ID=64814904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811091385.1A Active CN109138683B (en) | 2018-09-18 | 2018-09-18 | Simple door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138683B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122216U (en) * | 1992-04-22 | 1992-11-18 | 范正猛 | Hinge of spring door |
| CN2338454Y (en) * | 1998-07-31 | 1999-09-15 | 赵挺开 | Spring type door closing device |
| CN2393983Y (en) * | 1999-08-27 | 2000-08-30 | 吴建成 | Improved spring hinge |
| CN204984031U (en) * | 2015-06-01 | 2016-01-20 | 兰溪市玛雅五金有限公司 | Hinge door closer |
| CN209637498U (en) * | 2018-09-18 | 2019-11-15 | 张宏彬 | A kind of simple door closer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014169333A1 (en) * | 2013-04-15 | 2014-10-23 | Stuart Michael Christopher | Hinge |
-
2018
- 2018-09-18 CN CN201811091385.1A patent/CN109138683B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122216U (en) * | 1992-04-22 | 1992-11-18 | 范正猛 | Hinge of spring door |
| CN2338454Y (en) * | 1998-07-31 | 1999-09-15 | 赵挺开 | Spring type door closing device |
| CN2393983Y (en) * | 1999-08-27 | 2000-08-30 | 吴建成 | Improved spring hinge |
| CN204984031U (en) * | 2015-06-01 | 2016-01-20 | 兰溪市玛雅五金有限公司 | Hinge door closer |
| CN209637498U (en) * | 2018-09-18 | 2019-11-15 | 张宏彬 | A kind of simple door closer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138683A (en) | 2019-01-04 |
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