CN112282551A - Door reset structure, door and water selling station with door - Google Patents
Door reset structure, door and water selling station with door Download PDFInfo
- Publication number
- CN112282551A CN112282551A CN202011207328.2A CN202011207328A CN112282551A CN 112282551 A CN112282551 A CN 112282551A CN 202011207328 A CN202011207328 A CN 202011207328A CN 112282551 A CN112282551 A CN 112282551A
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- CN
- China
- Prior art keywords
- door
- hollow tube
- hole
- spring
- door body
- 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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Classifications
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- 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
- E05F1/1083—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 leaf or similar spring
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
- E05C1/10—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member rigid with the latch
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a reset structure of a door, the door and a water selling station with the door, wherein the reset structure comprises a mounting seat fixed on a door frame, a connecting piece fixed on a door body, a hollow tube fixed on the connecting piece, a spring pin with one end extending into the hollow tube and at least one spring piece arranged in the hollow tube, a gap for clamping the spring piece is formed in one end, extending into the hollow tube, of the spring pin, the spring pin is detachably connected with the hollow tube, one end of the spring piece is clamped on the spring pin, the other end of the spring piece extends out of the hollow tube and is clamped in the mounting seat, and the spring piece provides torsion for the door body to close and reset the. The reset structure of the invention adopts the spring leaf as an elastic element, provides the torsion for closing and resetting the door body to the door frame, has large torsion and small occupied space, and has good door closing effect because the spring leaf is arranged in a pre-twisted way; the door is placed in to the reset structure in, and the security is high, and the door and sell the anti destruction performance of water station strong, long service life, sell the water station and suitably put in to unmanned outdoor operations of supervision.
Description
Technical Field
The invention relates to the field of water selling stations, in particular to a door resetting structure, a door and a water selling station with the door.
Background
Along with the development of Chinese economy, the living standard of people is improved, and people pay more and more attention to the living quality. Water is a life source, each household needs water, the appearance of the water vending machine facilitates people to drink fresh, healthy, active oxygen, energy and high-quality active water, the water vending machine can be arranged in districts, streets, supermarket schools, units and other places to sell water automatically in 24 hours, the requirements of people on high-quality drinking water are facilitated, and a scientific, convenient, cheap and innovative drinking water consumption mode is realized.
Since most of the water stations are installed outdoors and lack supervision, the water stations themselves are required to have certain damage resistance. Particularly, the door of the water selling station is frequently opened and used, and needs stronger damage resistance. Most door closers of water station door bodies sold in the market are pull rod type door closers, the maximum opening angle of the door body is 90 degrees, and when the door body is opened, if the door body is too forcefully violent and the opening angle of the door body exceeds 90 degrees, the pull rod can deform and break, so that the damage function is poor. In addition, when the door body is opened, the pull rod is exposed, the overall appearance of the water vending machine is influenced, and the pull rod is easy to be touched by mistake during water receiving, so that inconvenience is caused.
Disclosure of Invention
The invention aims to solve the problems, improve the door closing effect and improve the damage resistance of the door body.
The invention provides a reset structure of a door, which comprises a mounting seat fixed on a door frame, a connecting piece fixed on a door body, a hollow pipe fixed on the connecting piece, a spring pin with one end extending into the hollow pipe and at least one spring piece arranged in the hollow pipe, wherein a gap for clamping the spring piece is formed in one end of the spring pin extending into the hollow pipe, the spring pin is detachably connected with the hollow pipe, one end of the spring piece is clamped on the spring pin, the other end of the spring piece extends out of the hollow pipe and is clamped in the mounting seat, and the spring piece provides torsion for the door body to close and reset the door frame.
Furthermore, the spring pin is radially provided with a first through hole and a second through hole which are arranged at intervals, the axes of the first through hole and the second through hole are vertical, the first through hole and the second through hole are both provided with internal threads, the hollow tube is provided with at least one first opening corresponding to the first through hole, the hollow tube is provided with at least one second opening corresponding to the second through hole, and the spring pin is connected with the hollow tube through a screw which penetrates through the first opening and the first through hole in threaded connection or the second opening and the second through hole in threaded connection.
Further, first opening and second opening all set up to two, and two first opening intervals are less than 90 degrees, and two second opening intervals are less than 90 degrees, and first opening and second opening are crisscross the setting in hollow tube week.
Furthermore, one end of the spring pin, which extends out of the hollow tube, is provided with an inner hexagonal groove.
Further, the connecting piece is a right angle corner connector.
The invention further provides a door which comprises a door body, a door frame and any one of the reset structures, wherein a protection plate is fixed on the inner side of the door body, the protection plate and the door body enclose a protection space shaped like a Chinese character 'hui', the reset structure is installed at the upper end of the door body and located in the protection space, and the upper end of the hollow pipe extends out of the protection space.
Furthermore, a positioning mechanism is further installed in the protection space and located at the lower end of the door body, the positioning mechanism comprises a lining fixed on the door body, the lining and the hollow tube are coaxially arranged, a bolt is inserted into the lining in a sliding mode, and the lower end of the bolt extends out of the protection space.
Furthermore, the bolt upper end has the portion of bending, and the bolt goes up and is located the bush below and is fixed with the spacing ring, and the cover is equipped with the pressure spring on the bolt, pressure spring upper end and bush butt, pressure spring lower extreme and spacing ring butt.
Furthermore, the upper end of the door frame is provided with an upper positioning hole in clearance fit with the hollow pipe, and the lower end of the door frame is provided with a lower positioning hole in clearance fit with the bolt.
The invention additionally provides a water service station with a door, comprising any one of the doors described above.
The invention has the beneficial effects that: the reset structure of the invention adopts the spring leaf as an elastic element, provides the torsion for closing and resetting the door body to the door frame, has large torsion and small occupied space, and has good door closing effect because the spring leaf is arranged in a pre-twisted way; the door is placed in to the reset structure in, and the security is high, and the door and sell the anti destruction performance of water station strong, long service life, sell the water station and suitably put in to unmanned outdoor operations of supervision.
Drawings
FIG. 1 is a schematic structural view of a reset configuration;
FIG. 2 is a front view of the reduction configuration;
FIG. 3 is a schematic structural view of a spring pin;
FIG. 4 is a schematic view of the structure of the door;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a partial enlarged view at B in FIG. 4;
FIG. 7 is a front view of the door;
in the figure, 1, a mounting seat; 2. a connecting member; 3. a hollow tube; 4. a spring pin; 5. a spring plate; 6. a notch; 7. a first through hole; 8. a second through hole; 9. a first opening; 10. a second opening; 11. a screw; 12. an inner hexagonal groove; 13. a door body; 14. a door frame; 15. a protection plate; 16. protecting the space; 17. a bushing; 18. a bolt; 19. a limiting ring; 20. a pressure spring; 21. an upper positioning hole; 22. and a lower positioning hole.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-3: the utility model provides a reset structure of door, including fixing mount pad 1 on door frame 14, fix connecting piece 2 on door body 13, fix hollow tube 3 on connecting piece 2, one end stretches into spring catch 4 of hollow tube 3 and sets up at least one spring leaf 5 in hollow tube 3, spring catch 4 stretches into the one end of hollow tube 3 and opens the breach 6 that is used for clamping spring leaf 5, spring catch 4 can be dismantled with hollow tube 3 and be connected, spring leaf 5 one end clamps on spring catch 4 the other end stretch out hollow tube 3 and clamp in mount pad 1, spring leaf 5 provides the torsion that door body 13 reset to door frame 14 closure.
The connecting piece 2 is fixed on the door body 13 in a welding mode, the lower end of the hollow tube 3 is fixed by the connecting piece 2, and the lower end of the hollow tube 3 penetrates through the connecting piece 2, so that the spring piece 5 and the spring pin 4 can be sequentially penetrated into the hollow tube 3 from the bottom of the hollow tube 3; specifically, three spring pieces 5 are selected, are orderly stacked together and then are clamped into a notch 6 of a spring pin 4, the spring pieces 5 and the spring pin 4 penetrate into a hollow tube 3, the spring pieces 5 extend out of the upper end of the hollow tube 3 and then abut against an installation seat 1, the installation seat 1 is provided with a bayonet for clamping the spring pieces 5, the spring pieces 5 generally cannot directly enter the bayonet, the spring pieces 5 need to rotate and push the spring pin 4 upwards, the spring pieces 5 can be clamped into the installation seat 1 only by rotating to a clamping angle matched with the installation seat 1, then the spring pin 4 is rotated, the spring pieces 5 are pre-twisted, and finally the position of the spring pin 4 is fixed, so that the spring pieces 5 have certain torsion, the door body 13 and a door frame 14 are closed, and after the door body 13 is opened, a larger torsion is provided to reset and close the door body; through setting up spring leaf 5, improve and close the door effect, but spring leaf 5 twist angle far exceeds 90 degrees, even door body 13 opens when exceeding 90 degrees violently, the reset structure still can not damage, and the damage resistance is excellent.
The spring pin 4 is radially provided with a first through hole 7 and a second through hole 8, the first through hole 7 and the second through hole 8 are arranged at intervals, the axes of the first through hole 7 and the second through hole 8 are vertical, the first through hole 7 and the second through hole 8 are both provided with internal threads, the hollow tube 3 is provided with two first openings 9 corresponding to the first through hole 7, the hollow tube 3 is provided with two second openings 10 corresponding to the second through hole 8, the interval between the two first openings 9 is smaller than 90 degrees, the interval between the two second openings 10 is smaller than 90 degrees, the first openings 9 and the second openings 10 are staggered in the circumferential direction of the hollow tube 3, and the spring pin 4 is connected with the hollow tube 3 through a screw 11 which penetrates through the first openings 9 and the first through hole 7 or the second openings 10 and the second through hole 8.
The spring piece 5 has a certain torsion after being twisted, in order to fix the position of the spring pin 4, a first through hole 7 and a second through hole 8 are arranged on the spring pin 4, the first through hole 7 and the second through hole 8 are arranged at intervals, the axes of the first through hole 7 and the second through hole 8 are vertical, the adjacent first through hole 7 and the second through hole 8 are arranged at intervals of 90 degrees in the circumferential direction of the spring pin 4, so that the total number of the first through hole 7 and the second through hole 8 is four, the spring pin 4 can be fixed conveniently, the strength of the spring pin 4 can be ensured, two first openings 9 corresponding to the first through hole 7 are arranged on the hollow tube 3, two second openings 10 corresponding to the second through hole 8 are arranged on the hollow tube 3, the interval between the two first openings 9 is smaller than 90 degrees, preferably 60 degrees, the interval between the two second openings 10 is smaller than 90 degrees, preferably 60 degrees, the first openings 9 and the second openings 10 are arranged in a staggered way in the circumferential direction of the hollow tube 3, that is, one of the first openings 9 is located between two of the second openings 10, and one of the second openings 10 is also located between two of the first openings 9, in this embodiment, it is provided that one of the first openings 9 is located between two of the second openings 10 in the circumferential direction of the hollow tube 3, and one of the second openings 10 is also located between two of the first openings 9, so that center points of the adjacent first openings 9 and second openings 10 are spaced by 30 degrees in the circumferential direction of the hollow tube 3, center points of the first openings 9 and second openings 10 which are farthest from each other are spaced by 90 degrees in the circumferential direction of the hollow tube 3, and the first openings 9 and second openings 10 are both located on a side of the hollow tube 3 facing away from the door body 13, so as to facilitate manual operation, so that after the spring plate 5 is twisted by a preset angle, the first openings 9 are aligned with the first through holes 7 or the second openings 10 are aligned with the second through holes 8, and the screws 11 are threaded with the first through holes 7 through the first openings 9 or threaded through the second openings 10 and the second through holes 8 And (4) connecting.
One end of the spring pin 4 extending out of the hollow tube 3 is provided with an inner hexagonal groove 12, and the spring pin 4 can be conveniently rotated by an inner hexagonal wrench.
The connecting piece 2 is a right-angle corner brace, and is more firm in fixation.
The invention also provides a door, as shown in fig. 4-7, comprising a door body 13, a door frame 14 and any one of the reset structures, wherein a protection plate 15 is fixed on the inner side of the door body 13, the protection plate 15 and the door body 13 enclose a protection space 16 shaped like a Chinese character 'hui', the reset structure is installed at the upper end of the door body 13 and is positioned in the protection space 16, and the upper end of the hollow tube 3 extends out of the protection space 16.
The reset structure is arranged in the protective space 16, so that the safety is high, the door cannot be touched by mistake, the damage resistance of the door is high, and the whole door is attractive.
And a positioning mechanism is further arranged in the protection space 16 and at the lower end of the door body 13, the positioning mechanism comprises a lining 17 fixed on the door body 13, the lining 17 and the hollow tube 3 are coaxially arranged, a bolt 18 is inserted in the lining 17 in a sliding manner, and the lower end of the bolt 18 extends out of the protection space 16.
The lower end of the door body 13 is positioned through the positioning mechanism, after the hollow pipe 3 is installed and positioned, the door body 13 is inserted into the door frame 14 through the bolt 18, the door body 13 is installed in the door frame 14, and the door body 13 can rotate around the hollow pipe 3 and the bolt 18.
The upper end of the bolt 18 is provided with a bending part, a limit ring 19 is fixed on the bolt 18 and below the bush 17, a pressure spring 20 is sleeved on the bolt 18, the upper end of the pressure spring 20 is abutted against the bush 17, and the lower end of the pressure spring 20 is abutted against the limit ring 19.
Through setting up the portion of bending, be convenient for mention bolt 18, through setting up pressure spring 20, pressure spring 20 makes 18 lower extremes of bolt stretch out protection space 16 steadily through extrusion spacing ring 19, exerts the certain pressure of bolt 18, and the activity of restriction bolt 18 makes the door body 13 and door frame 14 open and close more stably.
The upper end of the door frame 14 is provided with an upper positioning hole 21 which is in clearance fit with the hollow pipe 3, and the lower end of the door frame 14 is provided with a lower positioning hole 22 which is in clearance fit with the bolt 18.
The hollow pipe 3 is convenient to mount by arranging the upper positioning hole 21, so that the hollow pipe 3 is inserted into the upper positioning hole 21 to move in the upper positioning hole 21; through setting up down locating hole 22, be convenient for install bolt 18, after hollow tube 3 inserts upper locating hole 21, upwards carry and draw bolt 18, make the lower extreme of bolt 18 retract protection space 16, after setting up door body 13, bolt 18 aims at lower locating hole 22, loosens bolt 18 again, makes bolt 18 insert in lower locating hole 22 under dead weight and pressure spring 20 elasticity.
The invention additionally provides a water service station with a door, comprising any one of the doors described above.
The water selling station adopting the door with the reset structure has the advantages of good door closing effect, high safety, strong damage resistance and long service life, and is suitable for being thrown into unmanned outdoor operation.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a reset structure of door, its characterized in that, including mount pad (1) of fixing on door frame (14), connecting piece (2) of fixing on door body (13), hollow tube (3) of fixing on connecting piece (2), spring catch (4) that one end stretched into hollow tube (3) and set up at least one spring leaf (5) in hollow tube (3), the one end that spring catch (4) stretched into hollow tube (3) is opened has breach (6) that are used for clamping spring leaf (5), spring catch (4) can be dismantled with hollow tube (3) and be connected, spring leaf (5) one end clamps on spring catch (4) the other end stretch out hollow tube (3) and clamp in mount pad (1), spring leaf (5) provide the torsion that door body (13) reset to door frame (14) closure.
2. The restoration structure of a door according to claim 1, wherein the spring pin (4) is radially provided with a first through hole (7) and a second through hole (8), the first through hole (7) and the second through hole (8) are arranged at intervals, the axes of the first through hole (7) and the second through hole (8) are perpendicular, the first through hole (7) and the second through hole (8) are both provided with internal threads, the hollow tube (3) is provided with at least one first opening (9) corresponding to the first through hole (7), the hollow tube (3) is provided with at least one second opening (10) corresponding to the second through hole (8), and the spring pin (4) is connected with the hollow tube (3) by a screw (11) which penetrates through the first opening (9) and is in threaded connection with the first through hole (7) or penetrates through the second opening (10) and is in threaded connection with the second through hole (8).
3. The restoration structure of a door according to claim 2, wherein the first openings (9) and the second openings (10) are provided in two, the two first openings (9) are spaced apart by less than 90 degrees, the two second openings (10) are spaced apart by less than 90 degrees, and the first openings (9) and the second openings (10) are staggered in the circumferential direction of the hollow tube (3).
4. The door return structure according to claim 1, wherein the end of the spring pin (4) extending out of the hollow tube (3) is provided with an internal hexagonal groove (12).
5. The door return structure according to claim 1, wherein said connecting member (2) is a right-angle bracket.
6. A door is characterized by comprising a door body (13), a door frame (14) and the reset structure according to any one of claims 1 to 5, wherein a protection plate (15) is fixed on the inner side of the door body (13), the protection plate (15) and the door body (13) enclose a protection space (16) in a shape like a Chinese character 'hui', the reset structure is installed at the upper end of the door body (13) and located in the protection space (16), and the upper end of the hollow tube (3) extends out of the protection space (16).
7. The door as claimed in claim 6, characterized in that a positioning mechanism is further mounted in the protection space (16) and at the lower end of the door body (13), the positioning mechanism comprises a bushing (17) fixed on the door body (13), the bushing (17) and the hollow tube (3) are coaxially arranged, a bolt (18) is inserted in the bushing (17) in a sliding manner, and the lower end of the bolt (18) extends out of the protection space (16).
8. The door of claim 7, characterized in that the upper end of the bolt (18) is provided with a bent part, a limit ring (19) is fixed on the bolt (18) and below the bushing (17), a compression spring (20) is sleeved on the bolt (18), the upper end of the compression spring (20) is abutted with the bushing (17), and the lower end of the compression spring (20) is abutted with the limit ring (19).
9. A door as claimed in claim 8, wherein the upper end of the frame (14) is provided with an upper locating hole (21) which is in clearance fit with the hollow tube (3), and the lower end of the frame (14) is provided with a lower locating hole (22) which is in clearance fit with the bolt (18).
10. A water service station having a door, comprising a door as claimed in any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207328.2A CN112282551A (en) | 2020-11-03 | 2020-11-03 | Door reset structure, door and water selling station with door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011207328.2A CN112282551A (en) | 2020-11-03 | 2020-11-03 | Door reset structure, door and water selling station with door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112282551A true CN112282551A (en) | 2021-01-29 |
Family
ID=74350375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011207328.2A Pending CN112282551A (en) | 2020-11-03 | 2020-11-03 | Door reset structure, door and water selling station with door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112282551A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696078A (en) * | 1982-05-06 | 1987-09-29 | Anthony's Manufacturing Company, Inc. | Combined adjustable door hinge pin socket and adjustable torque rod anchor device |
| CN1068872A (en) * | 1991-07-25 | 1993-02-10 | 三洋电机株式会社 | Torque shaft Device of swing door and torque regulator |
| DE19615433A1 (en) * | 1995-04-26 | 1996-10-31 | Illinois Tool Works | Variable speed rotation damper for door of automatic sales dispenser |
| CN2338454Y (en) * | 1998-07-31 | 1999-09-15 | 赵挺开 | Spring type door closing device |
| CN2455884Y (en) * | 2000-12-24 | 2001-10-24 | 宁波方太厨具有限公司 | Pin for disinfecting cabinet door |
| CN201818171U (en) * | 2010-09-17 | 2011-05-04 | 高天(中山)金属制造有限公司 | Double-spring hinge |
| CN102625968A (en) * | 2009-08-30 | 2012-08-01 | 索斯科公司 | Hinge assembly with a multi-layer torsion bar spring |
| CN205908139U (en) * | 2015-06-24 | 2017-01-25 | 贵州博大智能终端科技有限公司 | Sell water machine water intaking window structure |
-
2020
- 2020-11-03 CN CN202011207328.2A patent/CN112282551A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696078A (en) * | 1982-05-06 | 1987-09-29 | Anthony's Manufacturing Company, Inc. | Combined adjustable door hinge pin socket and adjustable torque rod anchor device |
| CN1068872A (en) * | 1991-07-25 | 1993-02-10 | 三洋电机株式会社 | Torque shaft Device of swing door and torque regulator |
| DE19615433A1 (en) * | 1995-04-26 | 1996-10-31 | Illinois Tool Works | Variable speed rotation damper for door of automatic sales dispenser |
| CN2338454Y (en) * | 1998-07-31 | 1999-09-15 | 赵挺开 | Spring type door closing device |
| CN2455884Y (en) * | 2000-12-24 | 2001-10-24 | 宁波方太厨具有限公司 | Pin for disinfecting cabinet door |
| CN102625968A (en) * | 2009-08-30 | 2012-08-01 | 索斯科公司 | Hinge assembly with a multi-layer torsion bar spring |
| CN201818171U (en) * | 2010-09-17 | 2011-05-04 | 高天(中山)金属制造有限公司 | Double-spring hinge |
| CN205908139U (en) * | 2015-06-24 | 2017-01-25 | 贵州博大智能终端科技有限公司 | Sell water machine water intaking window structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210129 |