CN220036446U - But quick assembly's door closing device - Google Patents
But quick assembly's door closing device Download PDFInfo
- Publication number
- CN220036446U CN220036446U CN202321648118.6U CN202321648118U CN220036446U CN 220036446 U CN220036446 U CN 220036446U CN 202321648118 U CN202321648118 U CN 202321648118U CN 220036446 U CN220036446 U CN 220036446U
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- China
- Prior art keywords
- spring
- cam
- piece
- quick
- rotating shaft
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- 238000009434 installation Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a door closing device capable of being assembled quickly, which comprises a shell, a buffer damper, a rotating shaft and a return spring, wherein a shaft accommodating cavity for installing the rotating shaft is formed in the shell, the buffer damper and the return spring are arranged in the shell and are respectively positioned at the front side and the rear side of the rotating shaft, a cam is arranged on the rotating shaft and is abutted with the buffer damper and the return spring, one end of a cylinder body part of the buffer damper is provided with a positioning lug, the front end of the cam is provided with a first positioning groove, the positioning lug is matched and abutted with the first positioning groove when the door closing device is in a closed state, two side edges of the cam are provided with second positioning grooves, and the positioning lug rotates to be matched and abutted with the second positioning groove when the door closing device is in an open state.
Description
Technical Field
The utility model relates to the technical field of door and window accessories, in particular to a door closing device capable of being assembled quickly.
Background
The door closer is a device designed to assist opening and closing operations of doors and windows. The door closer has the significance of automatically closing the door, protecting the door frame and the door body, and is widely applied to the home as well as business and public buildings.
The utility model discloses a door device is closed to axle center, including device shell, damping buffer, rotatory door spindle, rotatory piece positioning seat and buffer spring, the damping buffer is installed in device shell left part, rotatory door spindle is located the device shell middle part, rotatory door spindle bottom is equipped with the door holder, rotatory door spindle is equipped with the door spindle rotatory piece in the device shell inside, the door spindle rotatory piece is triangle-shaped, the three angle of door spindle rotatory piece all has the fillet processing, door spindle rotatory piece is in contact with the damping buffer, device shell right part is equipped with the positioning seat shifting chute, rotatory piece positioning seat and buffer spring install in the positioning seat shifting chute, buffer spring installs on rotatory piece positioning seat right side, and above-mentioned patent makes the glass door can fix a position 90 degrees and open through being equipped with the location structure at rotatory piece positioning seat, but its location structure is complicated, causes the assembly more troublesome, and makes the cost increase, leads to the competitiveness of product low.
Disclosure of Invention
The present utility model has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a door closer capable of being assembled quickly.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but quick assembly's door closing device, includes shell, buffer damper, rotation axis and reset spring, offer the axle holding chamber that is used for installing the rotation axis on the shell, buffer damper and reset spring set up in the shell and respectively be located the front and back both sides of rotation axis, be equipped with the cam on the rotation axis, the cam is triangle-shaped, and the cam with buffer damper, reset spring butt, wherein;
the cylinder body portion one end of buffering attenuator is provided with the location lug, the front end of cam is provided with first constant head tank, the location lug with first constant head tank cooperation butt when closing the door device and be in the state, the side of cam is equipped with the second constant head tank, the location lug with second constant head tank cooperation butt when closing the door device and be in the state.
Preferably, the two side edges of the cam are provided with second positioning grooves.
Preferably, a first mounting cavity for mounting the buffer damper and a second mounting cavity for mounting the return spring are formed in the housing and located on two sides of the shaft accommodating cavity.
Preferably, a damping adjusting piece is connected to one end, far away from the rotating shaft, of the first mounting cavity in a threaded mode, and the damping adjusting piece is abutted to the buffering damper.
Preferably, a force adjusting mechanism is connected to one end, far away from the rotating shaft, of the second mounting cavity in a threaded mode, and the force adjusting mechanism is abutted to the reset spring.
Preferably, the force adjusting mechanism comprises a spring top piece, a limiting piece and a force adjusting piece, wherein the spring top piece is in butt joint with the reset spring and movably arranged in the second installation cavity, the end part of the spring top piece is provided with a positioning column inserted into the inner side of the reset spring, the limiting piece is arranged at the end part of the second installation cavity, the limiting piece is connected with the force adjusting piece in a threaded manner, and the force adjusting piece passes through the limiting piece and is in butt joint with the spring top piece.
Preferably, the shell is provided with a mounting groove corresponding to the shaft accommodating cavity, the mounting groove is provided with a cover plate in an adapting way, one end of the rotating shaft is rotatably arranged at the bottom of the shaft accommodating cavity, and the other end of the rotating shaft extends out of the cover plate.
Preferably, a first rotating groove is formed in the bottom of the shaft accommodating cavity, a second rotating groove is formed in the bottom of the cover plate, and two ends of the rotating shaft are connected with the first rotating groove and the second rotating groove through sliding bearings respectively.
Preferably, a spring sleeve is arranged at the end part of the spring, the spring sleeve is abutted with the cam, and a spring platform is arranged on the cam in a manner of correspondingly abutting against the spring sleeve.
Compared with the prior art, the utility model has the beneficial effects that: through being provided with the location lug in the cylinder body portion one end of buffering attenuator, utilize the first constant head tank on location lug and the cam, the cooperation of second constant head tank, the location lug rotates first constant head tank rather than the cooperation when closing the door device and be in the state, and the location lug rotates the second constant head tank rather than the cooperation when closing the door device and be in the state, and this kind of location structure assembly is comparatively swift, convenient, makes the equipment cost of product reduce.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the main body installation of the present utility model.
Fig. 4 is a schematic view of the present utility model in a closed state.
Fig. 5 is a schematic view of the open state of the present utility model.
FIG. 6 is a schematic view of the installation of a rotating shaft according to the present utility model.
Fig. 7 is a schematic view showing installation of the buffering damper and the return spring in the present utility model.
In the figure: the housing 1, the shaft housing chamber 11, the first mounting chamber 12, the second mounting chamber 13, the mounting groove 14, the first rotation groove 15, the buffer damper 2, the positioning projection 21, the rotation shaft 3, the cam 30, the first positioning groove 301, the second positioning groove 302, the spring platform 303, the return spring 4, the damping adjustment member 5, the force adjustment mechanism 6, the spring top 61, the stopper 62, the force adjustment member 63, the positioning post 64, the cover plate 7, the second rotation groove 71, the slide bearing 8, and the spring housing 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The door closing device capable of being assembled quickly as shown in fig. 1 to 7 comprises a shell 1, a buffer damper 2, a rotating shaft 3 and a return spring 4, wherein a shaft accommodating cavity 11 for installing the rotating shaft 3 is formed in the shell 1, the buffer damper 2 and the return spring 4 are arranged in the shell 1 and are respectively positioned on the front side and the rear side of the rotating shaft 3, a cam 30 is arranged on the rotating shaft 3, the cam 30 is triangular, the cam 30 is abutted with the buffer damper 2 and the return spring 4, one end of a cylinder body part of the buffer damper 2 is provided with a positioning lug 21, the front end of the cam 30 is provided with a first positioning groove 301, a second positioning groove 302 is formed in the side edge of the cam 30, the positioning lug 21 is matched with the first positioning groove 301 and the second positioning groove 302 by utilizing the positioning lug 21 to rotate to be matched with the first positioning groove 301 when the door closing device is in a closed state, the positioning lug 21 is rotated to be matched with the second positioning groove 302 when the door closing device is in an open state, and the assembly cost of the device is reduced.
As a preferred embodiment of the present utility model, the two sides of the cam 30 are provided with the second positioning grooves 302, the second positioning groove 302 with one side is adopted as a unidirectional 90-degree opening positioning structure, and the second positioning groove 302 with two sides is adopted as a bidirectional 90-degree opening positioning structure.
In addition, the cam 30 is provided with a spring platform 303, the end part of the return spring 4 is provided with a spring sleeve 9, and the spring sleeve 9 is abutted against the spring platform 303 in the closing state of the door closing device, so that friction between the return spring 4 and the cam 30 can be reduced, and damage to the cam 30 and the return spring 4 is avoided.
As a preferred embodiment of the present utility model, a first installation cavity 12 for installing the buffer damper 2 and a second installation cavity 13 for installing the return spring 4 are formed on the housing 1 at both sides of the shaft accommodating cavity 11; the damping adjusting piece 5 is in threaded connection with one end, far away from the rotating shaft 3, of the first mounting cavity 12, the damping adjusting piece 5 is preferably an inner hexagon bolt, the damping adjusting piece 5 is in abutting connection with the buffer damper 2, and the damping adjusting piece 5 is used for moving the position of the buffer damper 2 in the first mounting cavity 12, so that the resistance born by the cam 30 is adjusted; the one end spiro union that keeps away from rotation axis 3 in the second installation cavity 13 has dynamics adjustment mechanism 6, and dynamics adjustment mechanism 6 includes spring top 61, locating part 62 and dynamics adjustment piece 63, spring top 61 and reset spring 4 butt just set up in the second installation cavity 13 movably, and the tip of this spring top 61 is provided with the reference column 64 of grafting in the spring inboard, locating part 62 set up in the tip of second installation cavity 13, and the spiro union has dynamics adjustment piece 63 on the locating part 62, dynamics adjustment piece 63 pass locating part 62 with spring top 61 butt, and dynamics adjustment piece 63 adopts hexagon socket head cap screw preferably, and wherein locating part 62 passes through the external screw thread to be installed in second installation cavity 13, is connected with dynamics adjustment piece 63 through the internal screw thread, makes locating part 62 regard as another dynamics adjustment piece 63.
As a preferred embodiment of the present utility model, the housing 1 is provided with a mounting groove 14 corresponding to the shaft accommodating cavity 11, the mounting groove 14 is provided with a cover plate 7 in an adapting manner, one end of the rotating shaft 3 is rotatably disposed at the bottom of the shaft accommodating cavity 11, the other end extends out of the cover plate 7, the bottom of the shaft accommodating cavity 11 is provided with a first rotating groove 15, the bottom of the cover plate 7 is provided with a second rotating groove 71, and two ends of the rotating shaft 3 are respectively connected with the first rotating groove 15 and the second rotating groove 71 through sliding bearings 8.
As a preferred embodiment of the utility model, the end of the spring is provided with a spring housing 9, the spring housing 9 is abutted against the cam 30, and the cam 30 is provided with a spring platform 303 correspondingly abutted against the spring housing 9.
During installation, the bearing is sleeved on the rotating shaft 3 and then is placed in the shaft accommodating cavity 11, then the buffer damper 2 and the return spring 4 are respectively installed in the first installation cavity 12 and the second installation cavity 13, the buffer damper 2 is limited by the damping adjusting piece 5 at the end part, the return spring 4 is limited by the force adjusting mechanism 6 at the end part, the positioning protruding block 21 of the buffer damper 2 corresponds to the first positioning groove 301 or the second positioning groove 302 of the protruding block of the rotating shaft 3, finally the cover plate 7 is installed in the installation groove 14, and the end part of the rotating shaft 3 extends out of the cover plate 7 to be connected with the connecting arm or other connecting mechanisms.
When the door closing device is in a closed state, the first positioning groove 301 of the rotating shaft lug is positioned at the center of the buffer damper 2, namely the positioning lug 21 of the buffer damper 2 is contacted with the first positioning groove 301, and the spring sleeve 9 at the end part of the spring is abutted with the spring platform 303, so that positioning is realized;
when the door closer is opened, the cam 30 rotates along with the rotating shaft 3, the return spring 4 is compressed at this time, and when the rotating shaft 3 rotates to 90 °, the positioning projection 21 of the buffer damper 2 contacts with the second positioning groove 302, so that the rotating shaft 3 is positioned, and the return spring 4 is in a compressed state at this time;
when the door closing device is switched from the open state to the closed state, the cam 30 is separated from the second positioning groove 302, the positioning state of the rotating shaft 3 is released, the compression accumulation force of the return spring 4 starts to be released, the cam 30 rotates along with the rotating shaft 3, the damping piece is compressed by the buffer damper 2 in the rotating process of the cam 30, and the kinetic energy consumed by the accumulation energy of the buffer damper 2 and the potential energy released by the return spring 4 are mutually restricted, so that the door closing device can be gently and safely closed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a but quick assembly's door closer, includes shell (1), buffer damper (2), rotation axis (3) and reset spring (4), set up on shell (1) and be used for installing axle holding chamber (11) of rotation axis (3), buffer damper (2) and reset spring (4) set up in shell (1) and be located respectively both sides around rotation axis (3), be equipped with cam (30) on rotation axis (3), cam (30) are triangle-shaped, just cam (30) with buffer damper (2), reset spring (4) butt, its characterized in that: the cylinder body portion one end of buffering attenuator (2) is provided with positioning lug (21), the front end of cam (30) is provided with first constant head tank (301), positioning lug (21) with first constant head tank (301) cooperation butt when closing door device is in the state, the side of cam (30) is equipped with second constant head tank (302), positioning lug (21) with second constant head tank (302) cooperation butt when closing door device is in the state.
2. A quick-assembly door closer according to claim 1, wherein: and second positioning grooves (302) are formed in two side edges of the cam (30).
3. A quick-assembly door closer according to claim 1, wherein: a first mounting cavity (12) for mounting the buffer damper (2) and a second mounting cavity (13) for mounting the return spring (4) are formed in the two sides of the shaft accommodating cavity (11) on the shell (1).
4. A quick-assembly door closer according to claim 3, wherein: one end, far away from the rotating shaft (3), of the first mounting cavity (12) is in threaded connection with a damping adjusting piece (5), and the damping adjusting piece (5) is in butt joint with the buffering damper (2).
5. A quick-assembly door closer according to claim 3, wherein: one end, far away from the rotating shaft (3), of the second mounting cavity (13) is in threaded connection with a force adjusting mechanism (6), and the force adjusting mechanism (6) is in butt joint with the reset spring (4).
6. A quick-assembly door closer according to claim 5, wherein: the force adjusting mechanism (6) comprises a spring top piece (61), a limiting piece (62) and a force adjusting piece (63), wherein the spring top piece (61) is in butt joint with a reset spring (4) and movably arranged in a second installation cavity (13), a positioning column (64) inserted into the inner side of the reset spring (4) is arranged at the end part of the spring top piece (61), the limiting piece (62) is arranged at the end part of the second installation cavity (13), the force adjusting piece (63) is screwed on the limiting piece (62), and the force adjusting piece (63) passes through the limiting piece (62) and is in butt joint with the spring top piece (61).
7. A quick-assembly door closer according to claim 1, wherein: the shell (1) is provided with a mounting groove (14) corresponding to the shaft accommodating cavity (11), the mounting groove (14) is provided with a cover plate (7) in an adapting mode, one end of the rotating shaft (3) is rotatably arranged at the bottom of the shaft accommodating cavity (11), and the other end of the rotating shaft extends out of the cover plate (7).
8. A quick-assembly door closer according to claim 7, wherein: the bottom of axle holding chamber (11) is equipped with first rotation groove (15), the bottom of apron (7) is equipped with second rotation groove (71), the both ends of rotation axis (3) are connected with first rotation groove (15), second rotation groove (71) through slide bearing (8) respectively.
9. A quick-assembly door closer according to claim 1, wherein: the end of the spring is provided with a spring sleeve (9), the spring sleeve (9) is abutted with the cam (30), and the cam (30) is correspondingly abutted with the spring sleeve (9) and provided with a spring platform (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648118.6U CN220036446U (en) | 2023-06-27 | 2023-06-27 | But quick assembly's door closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648118.6U CN220036446U (en) | 2023-06-27 | 2023-06-27 | But quick assembly's door closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036446U true CN220036446U (en) | 2023-11-17 |
Family
ID=88743552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321648118.6U Active CN220036446U (en) | 2023-06-27 | 2023-06-27 | But quick assembly's door closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036446U (en) |
-
2023
- 2023-06-27 CN CN202321648118.6U patent/CN220036446U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |