CN113356714A - Door opening damping structure - Google Patents
Door opening damping structure Download PDFInfo
- Publication number
- CN113356714A CN113356714A CN202110719362.6A CN202110719362A CN113356714A CN 113356714 A CN113356714 A CN 113356714A CN 202110719362 A CN202110719362 A CN 202110719362A CN 113356714 A CN113356714 A CN 113356714A
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- boss
- door
- wall
- door body
- damping structure
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- 238000013016 damping Methods 0.000 title claims abstract description 31
- 230000007704 transition Effects 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
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- E05Y2999/00—
Abstract
The invention provides a door opening damping structure, which comprises a machine body with a containing bin and a door body arranged on the machine body and used for opening and closing the containing bin, wherein a door shaft at the bottom end of the door body is rotatably connected to the side wall of the containing bin; a first boss arranged on the door body moves in a limiting groove arranged on the side wall of the accommodating bin; the limiting groove is provided with a first inner wall, and the first inner wall and the first boss are oppositely arranged in the axial direction of the door spindle; the moving track of the first boss is divided into a first moving section and a second moving section; when the first boss is positioned at the first movable section, the first boss is in clearance fit with the first inner wall; when the first boss is located at the second movable section, the first boss is in interference fit with the first inner wall. In the embodiment of the invention, the first boss on the door body is in interference fit with a part of the first inner wall in the limiting groove on the machine body in the axial direction, so that friction force is generated, the falling and opening speed of the door body is reduced, impact is avoided when the door body is opened, impact noise is eliminated, the door body is prevented from being collided and damaged, the structure is simple, and the assembly is easy.
Description
Technical Field
The invention belongs to the technical field of printers, and particularly relates to a door opening damping structure of a printer cabin door.
Background
The business places such as supermarkets, restaurants and the like are often equipped with printers for printing consumption tickets for customers, and when the paper roll in the printer is used up, a new paper roll needs to be loaded by opening a cabin door. At present, a cabin door of a printer is generally opened downwards, and the mode can keep the opening to the maximum degree under the action of the gravity of the cabin door, so that the loading operation of a new paper roll is more convenient.
However, the downward opening structure adopted by the prior printer cabin door has the following defects:
1. under the action of gravity, the cabin door can fall freely after being opened, the opening speed is too high, great impact is caused to a base of a printer, the cabin door is easy to damage, and the later maintenance cost is increased;
2. when the cabin door is opened, the cabin door is easy to fall down to cause impact, the noise is high, and the user experience is reduced;
3. adopt high strength material to make the hatch door or adopt the torsional spring to slow down the speed buffering, avoid strikeing the damage that causes, then increased the manufacturing cost of hatch door, increased the equipment degree of difficulty.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a door opening damping structure to solve the technical problems of easy impact damage, high noise, high cost and difficult installation in the process of opening a cabin door of the conventional receipt printer.
The invention provides a door opening damping structure, which comprises a machine body with a containing bin and a door body arranged on the machine body and used for opening and closing the containing bin, wherein a door shaft at the bottom end of the door body is rotatably connected to the side wall of the containing bin;
when the door body is turned over, a first boss arranged on the door body moves in a limiting groove arranged on the side wall of the accommodating bin, and the moving track of the first boss is an arc taking the door shaft as the center;
the limiting groove is provided with a first inner wall, and the first inner wall and the first boss are oppositely arranged in the axial direction of the door spindle;
the moving track of the first boss is divided into a first moving section and a second moving section;
when the first boss is positioned at the first movable section, the first boss is in clearance fit with the first inner wall; when the first boss is located at the second movable section, the first boss is in interference fit with the first inner wall.
This technical scheme carries out interference fit through a boss and a part of first inner wall, produces frictional force, slows down the speed that the door body whereabouts was opened, avoids opening the impact that the door produced.
In some of these embodiments, the door body includes:
a main body portion;
the support part is an elastic part and is arranged at the bottom end of the main body part, and the first boss is positioned on the support part.
This technical scheme makes first boss can the axial float through having elastic support portion, and frictional force is moderate between first boss and the first inner wall when keeping interference fit through elasticity, can fully slow down when the door body falls to can not block.
In some of these embodiments, the stand portion is an elastic plate and protrudes relative to the main body portion or is provided with a movable space therebetween. The support part of the technical scheme is formed by arranging the movable intervals, and the processing and the manufacturing are convenient.
In some of these embodiments, the door spindle is located on the pedestal portion. This technical scheme makes the door-hinge can be along with support portion axial displacement, be convenient for install on the organism.
In some embodiments, the limiting groove has a second inner wall, and the second inner wall and the first boss are opposite to each other in the radial direction of the door shaft and are in clearance fit. This technical scheme can guide the removal of first boss in the footpath through the second inner wall.
In some embodiments, the second inner wall is provided with a second boss, the second boss is located on the moving track of the first boss, and when the second boss contacts the first boss, the turnover speed of the door body is reduced. This technical scheme slows down through opening of second boss to the door body, prevents that the interference fit position can't be completely with the door body speed reduction, can not bump when guaranteeing that the door body is opened.
In some of these embodiments, the second boss is located at the junction of the first and second movable segments. According to the technical scheme, the second boss decelerates the door body when the free falling of the door body is terminated, and the speed of the door body entering the second movable section is reduced to the greatest extent.
In some embodiments, both sides of the second boss smoothly transition with the second inner wall. This technical scheme is avoided first boss and second boss when contacting through smooth transition, is blocked by the second boss.
In some embodiments, the first boss is provided with a circular arc chamfer on two sides for contacting the second boss. This technical scheme is avoided its contact second boss when through the edge of circular arc, is blocked by the second boss.
In some of these embodiments, the arc of the first active segment is greater than the arc of the second active segment. This technical scheme can guarantee the length of free fall, guarantees that the door body can be opened fast.
Based on the technical scheme, in the embodiment of the invention, the first boss on the door body is in interference fit with a part of the first inner wall in the limiting groove on the machine body in the axial direction, so that friction force is generated, the falling and opening speed of the door body is reduced, impact is avoided when the door body is opened, impact noise is eliminated, the door body is prevented from being collided and damaged, the structure is simple, and the assembly is easy; the first boss and a part of the first inner wall are in clearance fit, so that the initial section of the door body can fall freely, the door body can be ensured to be opened quickly, and the technical problems that the cabin door of the existing receipt printer is easy to impact and damage, high in noise, high in cost and difficult to install in opening are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a door opening damping structure according to the present invention;
FIG. 2 is a schematic structural diagram of a door opening damping structure according to the present invention;
FIG. 3 is a schematic structural diagram of a door body in the door opening damping structure of the present invention;
FIG. 4 is a partial enlarged view of a limiting groove in the door opening damping structure according to the present invention;
FIG. 5 is a cross-sectional structural view of the door opening damping structure of the present invention in a first active segment;
FIG. 6 is a cross-sectional view of the door opening damping structure of the present invention with the first boss contacting the second boss;
FIG. 7 is a cross-sectional structural view of the door opening damping structure of the present invention in a second active segment;
in the figure:
1. a body;
2. a door body; 21. a main body portion; 22. a stand section; 23. a door shaft; 24. a clearance for movement;
3. an accommodating bin;
41. a first boss; 42. a second boss;
5. a limiting groove; 51. a first inner wall; 52. a second inner wall;
A. a first active segment; B. a second active segment.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 7, in an exemplary embodiment of the door opening damping structure of the present invention, the door opening damping structure includes a body 1 and a door body 2, the body 1 has a receiving chamber 3, the door body 2 is mounted on the body 1, and a door shaft 23 at a bottom end of the door body 2 is rotatably connected to a side wall of the receiving chamber 3, so as to be capable of being turned over on the body 1 to open and close the receiving chamber 3.
The door body 2 is provided with a first boss 41, and the first boss 41 is positioned in a limiting groove 5 arranged on the side wall of the accommodating bin 3. In the process that the door body 2 is turned downwards from the closed state to the open state, the first boss 41 moves in the limiting groove 5, and the moving track is an arc taking the door shaft 23 as the center of a circle.
As shown in fig. 4, one inner wall of the stopper groove 5 serves as a first inner wall 51, and the first inner wall 51 is disposed opposite to the first boss 41 in the axial direction of the door shaft 23. The moving track of the first boss 41 is divided into a first moving section a and a second moving section B, and when the first boss 41 is located at the first moving section a, the first boss 41 is in clearance fit with the first inner wall 51; when the first boss 41 is located at the second movable section B, the first boss 41 is in interference fit with the first inner wall 51.
When the accommodating bin 3 is opened, the door body 2 is turned downwards, as shown in fig. 5, the first boss 41 moves in the first movable section a first, and due to the clearance fit between the first boss 41 and the first inner wall 51 in the first movable section a, the door body 2 in the first movable section a falls freely, so that the door body is turned quickly. The door body 2 is continuously turned downwards, as shown in fig. 7, the first boss 41 enters the second movable section B from the first movable section a and moves, and due to the interference fit between the first boss 41 and the first inner wall 51 in the second movable section a, the first boss 41 is in contact with the first inner wall 51, the generated friction force is used as resistance to reduce the moving speed of the first boss 41, so that the turning and falling speed of the door body 2 is reduced, and the door body 2 is turned to a completely opened state at a slower speed.
In the above-mentioned exemplary embodiment, the damping structure that opens the door carries out interference fit through first boss 41 on the door body 2 and the part of first inner wall 51 on the spacing groove 5, produce frictional force as the resistance, realize the damping effect, reduce the speed of the whereabouts of the upset of the door body 2, take place to strike when avoiding the door body 2 to open, prevent the noise and the collision damage that consequently produce, moreover, the steam generator is simple in structure, the assembly is easy, and can make the free fall of the door body 2 when first boss 41 and first inner wall 51 clearance fit, guarantee the speed that the door body 2 opened, the efficiency of opening the door is improved.
In some embodiments, as shown in fig. 3, the door body 2 includes a main body portion 21 and a seat portion 22. The seat 22 is an elastic member and is attached to the bottom end of the main body 21, and the first boss 41 is located on the seat 22. The elasticity of the mount portion 22 allows the mount portion to move in the axial direction of the door shaft 23, and the first boss 41 moves accordingly. When the first boss 41 is in interference fit with the first inner wall 51, the elastic support part 22 can float, so that the first boss 41 is kept in close contact with the first inner wall 51, sufficient friction is generated as resistance, the speed is reduced to a low enough speed before the door body 2 is completely opened, and the door body 2 is ensured not to generate impact collision. In addition, the first boss 41 can move along with the support part 22, and is convenient to be installed in the limit groove 5, so that the assembly of the door body 2 and the machine body 1 is easier.
In some embodiments, the seat portion 22 is an elastic plate, and may be disposed in a protruding manner relative to the main body portion 21, or may be disposed on one side of the main body portion 21, and is disposed with a movable gap 24 therebetween. Protruding with respect to the main body portion 21 or disposed at an interval therefrom, it is possible to provide a movable space for the seat portion 22, ensuring the floating of the first boss 41.
In some embodiments, the door shaft 23 is located at the support portion 22, so that the door shaft 23 can also move axially along with the support portion, and the distance between the door shafts 23 on two sides is reduced, so that the door can be more easily sent into the accommodating chamber 5, and the installation of the door body 2 is facilitated.
In some embodiments, as shown in fig. 4, one inner wall of the limiting groove 5 is used as the second inner wall 52, and the second inner wall 52 and the first boss 41 are arranged opposite to each other in the radial direction of the door shaft 23 and are in clearance fit.
The second inner wall 52 is provided with a second boss 42, and the second boss 42 is located on the moving track of the first boss 41, so that the first boss 41 can contact the second boss 42 in the opening process of the door body 2. As shown in fig. 6, in the process of opening the door body 2, the first boss 41 contacts the second boss 42, so that friction is generated as resistance, the speed of the door body 2 falling in a turning manner is reduced, and a damping effect is achieved. The second boss 42 is directly on the movement locus of the first boss 41, and directly hinders the movement of the first boss 41, thereby rapidly and greatly reducing the falling speed of the door 2. The second boss 42 and the first inner wall 51 can both generate friction on the first boss 41, so that the falling speed of the door body 2 is reduced, and the impact caused by too high speed can be avoided when the door body 2 is opened.
In some embodiments, as shown in fig. 6, the second boss 42 is located at the connection point of the first movable section a and the second movable section B, so that the first boss 41 contacts the second boss 42 to decelerate when the first movable section a finishes free falling, then enters the second movable section B to further decelerate through the interference fit of the first inner wall 51, and finally reaches the end of the stroke of opening the door body 2 at a low speed. The second boss 42 does not decelerate the door body 2 when the door body 2 falls freely, and ensures the moving speed of the door body 2 at the initial opening stage, so that the time consumed by completely opening the door body 2 is less under the condition of avoiding the impact generated by opening the door body 2, and the door opening efficiency is improved.
In some embodiments, both sides of the second boss 42 smoothly transition with the second inner wall 52. The smooth edge of the second boss 42 can prevent the first boss 41 from being clamped when the first boss 41 contacts the second boss 42, and the first boss 41 can pass through the second boss 42, so that the door body 2 can be smoothly opened.
In some embodiments, the first boss 41 is provided with rounded chamfers on both sides for contacting the second boss 42. The smooth edge of the first boss 41 can prevent the first boss 41 from being clamped and unable to pass through the second boss 42 when the first boss 41 contacts the second boss 42, so as to ensure the smooth opening of the door body 2.
In some embodiments, as shown in fig. 4, the radian of the first movable section a is greater than that of the second movable section B, so that the door body 2 is ensured to have enough space to freely fall, the time consumption for completely opening the door body 2 is reduced, and the door opening efficiency is improved.
Through the description of the multiple embodiments of the door opening damping structure, it can be seen that the embodiments of the door opening damping structure of the present invention have at least one or more of the following advantages:
1. the friction force generated by interference fit reduces the falling speed of the door body, avoids the impact of the door body, does not generate noise, and prevents the door body from being damaged by collision.
2. The initial section of the door body can fall freely, and the time consumed by completely opening the door body is shorter under the condition of ensuring the damping effect and avoiding the impact of the door body.
3. The second boss can reduce the falling speed of the door body rapidly, and the door body is guaranteed to be opened without impact.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. A door opening damping structure comprises a machine body with a containing bin and a door body which is arranged on the machine body and used for opening and closing the containing bin, wherein a door shaft at the bottom end of the door body is rotatably connected to the side wall of the containing bin;
the door body is characterized in that when the door body is turned over, a first boss arranged on the door body moves in a limiting groove arranged on the side wall of the accommodating bin, and the moving track of the first boss is an arc taking a door shaft as a center;
the limiting groove is provided with a first inner wall, and the first inner wall and the first boss are oppositely arranged in the axial direction of the door spindle;
the moving track of the first boss is divided into a first moving section and a second moving section;
when the first boss is positioned at the first movable section, the first boss is in clearance fit with the first inner wall; when the first boss is located in the second movable section, the first boss is in interference fit with the first inner wall.
2. The door opening damping structure according to claim 1, wherein the door body includes:
a main body portion;
the support part is an elastic part and is arranged at the bottom end of the main body part, and the first boss is positioned on the support part.
3. The door opening damping structure according to claim 2, wherein said seating portion is an elastic plate and protrudes with respect to said main body portion or is provided with a movable space therebetween.
4. The door opening damping structure according to claim 3, wherein said door spindle is located on said pedestal portion.
5. The door opening damping structure according to claim 1, wherein said limiting groove has a second inner wall, said second inner wall being opposed to said first boss in a radial direction of said door shaft and being in clearance fit therewith.
6. The door opening damping structure according to claim 5, wherein a second boss is provided on the second inner wall, the second boss is located on a moving track of the first boss, and the door body is decelerated when the second boss contacts the first boss.
7. The door opening damping structure of claim 6, wherein said second boss is located at an engagement point of said first movable section and said second movable section.
8. The door opening damping structure of claim 6, wherein both sides of said second boss are in smooth transition with said second inner wall.
9. The door opening damping structure according to claim 6, wherein said first boss is provided at both sides thereof with rounded chamfers for contacting said second boss.
10. The door opening damping structure of claim 1, wherein the arc of said first active segment is greater than the arc of said second active segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110719362.6A CN113356714B (en) | 2021-06-28 | 2021-06-28 | Damping structure opens door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110719362.6A CN113356714B (en) | 2021-06-28 | 2021-06-28 | Damping structure opens door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113356714A true CN113356714A (en) | 2021-09-07 |
| CN113356714B CN113356714B (en) | 2023-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110719362.6A Active CN113356714B (en) | 2021-06-28 | 2021-06-28 | Damping structure opens door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356714B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696664A (en) * | 2005-06-20 | 2005-11-16 | 北京源德生物医学工程有限公司 | Gate module of semi automatic single photon counting meter of micropore plate |
| CN1889819A (en) * | 2005-06-28 | 2007-01-03 | 三星电子株式会社 | Door hinge device and electronic appliances having the same |
| CN201613801U (en) * | 2009-11-16 | 2010-10-27 | 浙江吉利汽车有限公司 | Shake-proof structure for backdoor of automobile |
| CN103047819A (en) * | 2012-12-30 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator and hinge therefor |
| CN103225194A (en) * | 2012-01-26 | 2013-07-31 | Lg电子株式会社 | Laundry treating apparatus |
| GB201314781D0 (en) * | 2013-08-19 | 2013-10-02 | Nissan Motor Mfg Uk Ltd | Vehicle panel bump stop |
| CN108035639A (en) * | 2017-12-19 | 2018-05-15 | 广东亚当斯金属精密制造有限公司 | A kind of gear type buffer hinge mechanism |
-
2021
- 2021-06-28 CN CN202110719362.6A patent/CN113356714B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696664A (en) * | 2005-06-20 | 2005-11-16 | 北京源德生物医学工程有限公司 | Gate module of semi automatic single photon counting meter of micropore plate |
| CN1889819A (en) * | 2005-06-28 | 2007-01-03 | 三星电子株式会社 | Door hinge device and electronic appliances having the same |
| CN201613801U (en) * | 2009-11-16 | 2010-10-27 | 浙江吉利汽车有限公司 | Shake-proof structure for backdoor of automobile |
| CN103225194A (en) * | 2012-01-26 | 2013-07-31 | Lg电子株式会社 | Laundry treating apparatus |
| CN103047819A (en) * | 2012-12-30 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator and hinge therefor |
| GB201314781D0 (en) * | 2013-08-19 | 2013-10-02 | Nissan Motor Mfg Uk Ltd | Vehicle panel bump stop |
| CN108035639A (en) * | 2017-12-19 | 2018-05-15 | 广东亚当斯金属精密制造有限公司 | A kind of gear type buffer hinge mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113356714B (en) | 2023-05-30 |
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