CN112302460A - Buffer for moving door by means of inertia force - Google Patents
Buffer for moving door by means of inertia force Download PDFInfo
- Publication number
- CN112302460A CN112302460A CN202011180769.8A CN202011180769A CN112302460A CN 112302460 A CN112302460 A CN 112302460A CN 202011180769 A CN202011180769 A CN 202011180769A CN 112302460 A CN112302460 A CN 112302460A
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- Prior art keywords
- buffer
- tension spring
- door
- shell
- rotating block
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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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
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- Vibration Dampers (AREA)
Abstract
The invention relates to a buffer for moving a door by virtue of inertial force, which comprises a buffer shell, a rotating block, a damping device and a tension spring, wherein the damping device and the tension spring are both arranged in the buffer shell, one end of the damping device is connected with the rotating block, an upper chute and a lower chute are arranged on the inner wall of the buffer shell in parallel, the rotating block slides along the lower chute, one end of the tension spring is connected with a tension spring connecting piece which slides along the upper chute, a corrugated groove is arranged on each of two sides of the bottom surface of the tension spring connecting piece along the length direction, a boss matched with the corrugated groove is arranged on the rotating block, a clamping port is arranged at the bottom of the rotating block, and a pressure jacking device is arranged at the clamping port. The larger the inertia force of the sliding door when the door is closed, the shorter the working distance of the tension spring is, and the smaller the work required by the reset tension spring when the door is opened, thereby achieving the aim of saving labor.
Description
Technical Field
The invention relates to the technical field of sliding door buffering, in particular to a buffer for sliding a door by virtue of inertia force.
Background
The sliding door is a common door capable of being pushed and pulled left and right, and is particularly used by people in occasions with narrow space. The sliding door is often buffered by a sliding door buffer, so that the sliding door is prevented from colliding with a doorframe.
The buffer that moves on market, if need let when closing the door and move the door closure and put in place, then need bigger power just can open the buffer when opening the door, it is harder. Meanwhile, the inertia force generated when the door is closed and the tension force of the tension spring can enable the damping device to be directly on the bottom, and the use feeling is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a buffer for moving a door by virtue of inertia force, wherein the larger the inertia force of the moving door when the door is closed, the shorter the working distance of a tension spring is, and the smaller the work required by the reset tension spring when the door is opened is, thereby achieving the aim of saving labor.
The technical scheme adopted by the invention for solving the technical problems is as follows: the buffer comprises a buffer shell, a rotating block, a damping device and a tension spring, wherein the damping device and the tension spring are arranged in the buffer shell, one end of the damping device is connected with the rotating block, an upper chute and a lower chute are arranged on the inner wall of the buffer shell in parallel, the rotating block slides along the lower chute, one end of the tension spring is connected with a tension spring connecting piece which slides along the upper chute, wave-shaped grooves are arranged on two sides of the bottom surface of the tension spring connecting piece along the length direction, a boss which is matched with the wave-shaped grooves is arranged on the rotating block, a clamping port is arranged at the bottom of the rotating block, a pressure jacking device is arranged at the clamping port, when the door is closed, the inertia force of the sliding door is applied to the pressure jacking device and the rotating block, the pressure jacking device jacks up the tension spring connecting piece to separate the wave-shaped grooves from the boss, the pressure jacking device jacks up the tension spring connecting piece continuously to enable the tension spring connecting piece to be incapable of moving along the upper chute, after the inertia force of the sliding door is consumed, the sliding door is pressed by the jacking device to reset, the corrugated groove is meshed with the boss, the tension spring pulls the tension spring connecting piece to move along the upper sliding groove, and simultaneously pulls the meshed rotating block to be matched with the damping device to slowly move to the final position.
As a supplement to the technical scheme of the invention, a through hole is formed in the tension spring connecting piece along the length direction, a positioning pin is arranged at an opening at one end of the through hole, one end of the tension spring passes through the through hole to be connected with the positioning pin, two guide posts are respectively arranged on two sides of the tension spring connecting piece at the other end of the through hole, the two upper chutes are arranged on the inner wall of the buffer shell side by side, the guide posts slide along one of the upper chutes, the positioning pin slides along the other upper chute, and the rotating block is provided with a hook part matched with the guide posts. One end of the tension spring is in a hook shape and hooks the positioning pin.
As a supplement to the technical scheme of the invention, the pressed jacking device is an opposite-sex shrapnel, a guide hole is vertically formed in the rotating block, the upper part of the opposite-sex shrapnel extends into the guide hole and slides up and down along the guide hole, the lower end of the opposite-sex shrapnel is fixed with the inner wall of one side of the clamping interface, the lower part of the opposite-sex shrapnel is arched, and when the lower part of the opposite-sex shrapnel is pressed, the upper part of the opposite-sex shrapnel is forced to slide upwards along the guide hole and extends out of the guide hole.
As a supplement to the technical scheme of the invention, a limit pin is inserted into the outer side of the rotating block perpendicular to the guide hole, the upper part of the opposite sex shrapnel is n-shaped and is buckled on the limit pin, and the upper end surface of the opposite sex shrapnel is an arc surface.
As a supplement to the technical scheme of the invention, the middle part of the bottom surface of the tension spring connecting piece is positioned between the two wave-shaped grooves and is provided with a spring plate slideway in parallel, and the spring plate slideway is used for allowing the upper end of the opposite spring plate to slide.
As a supplement to the technical solution of the present invention, the buffer housing is formed by splicing a front housing and a rear housing. The front shell and the rear shell are fixed through a fastener.
As a supplement to the technical scheme of the invention, the front shell and the rear shell are sleeved with stainless steel sheet metal shells.
As a supplement to the technical scheme of the invention, the damping device adopts a damping oil cylinder. The rod head of the damping oil cylinder is rotationally connected with the rotating block through a cylindrical pin.
As a supplement to the technical scheme of the invention, the lug boss is semicircular.
As a supplement to the technical scheme of the invention, the tail ends of the upper sliding chute and the lower sliding chute are both connected with a tripping groove in a transition manner, a tail end inclined plane is arranged at the joint of the upper sliding chute and the tripping groove, and a transition arc surface is arranged between the lower sliding chute and the tripping groove.
Has the advantages that: the invention relates to a buffer for moving a door by virtue of inertial force, when the door is closed, a tension spring at the front section position does not do work, a damping device only needs to buffer the force of a wooden door, the risk that the damping device directly reaches the bottom is reduced, the service life of the damping device is prolonged, the buffering time is increased, when the inertial force is consumed when the door is closed, the tension spring starts to do work, the tension spring pulls a tension spring connecting piece to move along an upper chute and simultaneously pulls a meshed rotating block to be matched with the damping device to slowly move to a final position; when the door is opened, the inertia force during the previous door closing is turned into the action of reducing the tension spring, so that the door is opened more easily, and the use feeling is greatly improved. The larger the inertia force of the sliding door when the door is closed, the shorter the working distance of the tension spring is, and the smaller the work required by the reset tension spring when the door is opened, thereby achieving the aim of saving labor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention with the stainless steel sheet metal shell removed;
FIG. 3 is a schematic structural view of the present invention with the stainless steel sheet shell and front housing removed;
FIG. 4 is a schematic structural view of the rear housing of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 of the present invention;
FIG. 6 is a schematic view of the structure of the tension spring connector and the tension spring according to the present invention;
FIG. 7 is a schematic structural diagram of a rotary block according to the present invention;
fig. 8 is a cross-sectional view of a rotor block according to the present invention.
The figure is as follows: 1. buffer shell, 2, stainless steel sheet metal shell, 3, rotating block, 4, damping device, 5, extension spring connecting piece, 6, extension spring, 7, lower chute, 8, upper chute, 9, rear shell, 10, tripping groove, 11, front shell, 12, fastening piece, 13, transition arc surface, 14, terminal inclined surface, 15, wave-shaped groove, 16, elastic piece slideway, 17, guide post, 18, through hole, 19, positioning pin, 20, cylindrical pin, 21, limiting pin, 22, boss, 23, clamping interface, 24, pressure jacking device, 25 and guide hole.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a buffer for moving a door by virtue of inertia force, which comprises a buffer shell 1, a rotating block 3, a damping device 4 and a tension spring 6, wherein the damping device 4 and the tension spring 6 are both arranged in the buffer shell 1, one end of the damping device 4 is connected with the rotating block 3, an upper chute 8 and a lower chute 7 are arranged on the inner wall of the buffer shell 1 in parallel, the rotating block 3 slides along the lower chute 7, one end of the tension spring 6 is connected with a tension spring connecting piece 5 sliding along the upper chute 8, two sides of the bottom surface of the tension spring connecting piece 5 are both provided with a corrugated groove 15 along the length direction, the rotating block 3 is provided with a boss 22 matched with the corrugated groove 15, the boss 22 is semicircular, the bottom of the rotating block 3 is provided with a clamping port 23, the clamping port 23 is provided with a pressure jacking device 24, when the door is closed, the inertia force of the sliding door is applied to the pressure-bearing jacking device 24 and the rotating block 3, the pressure-bearing jacking device 24 jacks up the tension spring connecting piece 5, so that the wave-shaped groove 15 is separated from the boss 22, the pressure-bearing jacking device 24 continuously jacks up the tension spring connecting piece 5 to prevent the tension spring connecting piece 5 from moving along the upper chute 8, the pressure-bearing jacking device 24 resets after the inertia force of the sliding door is consumed, the wave-shaped groove 15 is meshed with the boss 22, and the tension spring 6 pulls the tension spring connecting piece 5 to move along the upper chute 8 and pulls the meshed rotating block 3 to be matched with the damping device 4 to slowly move to a final position.
Tension spring connecting piece 5 in seted up a through-hole 18 along length direction, the opening part of this through-hole 18 one end is equipped with a locating pin 19, 6 one end of extension spring pass through-hole 18 and link to each other with locating pin 19, tension spring connecting piece 5 both sides that are located the through-hole 18 other end respectively be equipped with a guide post 17, upper chute 8 total two, and set up on buffer shell 1 inner wall side by side, guide post 17 slide along one of them upper chute 8, locating pin 19 slide along another upper chute 8, commentaries on classics piece 3 on being equipped with the crotch portion 26 that matches with guide post 17. One end of the tension spring 6 is in a hook shape and hooks the positioning pin 19.
The pressurized jacking device 24 is an opposite sex shell fragment, the rotating block 3 in vertically open and have a guiding hole 25, opposite sex shell fragment upper portion stretch into in the guiding hole 25 and slide from top to bottom along the guiding hole 25, this opposite sex shell fragment lower extreme is fixed with the inner wall of joint 23 one side, opposite sex shell fragment lower part hunch, be the arch bridge form, when opposite sex shell fragment lower part pressurized, can force opposite sex shell fragment upper portion to slide upwards along the guiding hole 25 and stretch out guiding hole 25.
The outer side of the rotating block 3 is perpendicular to the guide hole 25 and is inserted into the limit pin 21, the upper part of the opposite-sex shrapnel is n-shaped and is buckled on the limit pin 21, and the upper end surface of the opposite-sex shrapnel is an arc surface. The limit pin 21 is a special-shaped pin and is flat. The fixing of the opposite spring plate is realized through the limiting pin 21 and the groove at the clamping interface 23.
The middle part of the bottom surface of the tension spring connecting piece 5 is positioned between the two wave-shaped grooves 15, an elastic sheet slide way 16 is arranged in parallel, and the elastic sheet slide way 16 is used for allowing the upper end of the opposite-sex elastic sheet to slide.
The buffer shell 1 is formed by splicing a front shell 11 and a rear shell 9, the front shell 11 and the rear shell 9 are fixed through a fastener 12, and the fastener 12 is a screw. The front shell 11 and the rear shell 9 belong to symmetrical parts, and an upper sliding groove 8 and a lower sliding groove 7 are arranged on the inner wall of the front shell 11 and the inner wall of the rear shell 9 in parallel.
The front shell 11 and the rear shell 9 are sleeved with a stainless steel sheet metal shell 2.
The damping device 4 is a damping oil cylinder. One end of the rotating block 3 is rotatably connected with the rod head of the damping oil cylinder through a cylindrical pin 20, the cylindrical pin 20 serves as a connecting piece and also serves as a guide column 17, two sides of the other end of the rotating block 3 are respectively provided with the guide column 17, and the rotating block 3 slides along the lower sliding groove 7 through the guide column 17 and the cylindrical pin 20.
The tail ends of the upper chute 8 and the lower chute 7 are respectively connected with a tripping groove 10 in a transition mode, a tail end inclined plane 14 is arranged at the joint of the upper chute 8 and the tripping groove 10, and a transition arc surface 13 is arranged between the lower chute 7 and the tripping groove 10.
When the door is closed, the thrust acting of people on the door and the inertia force of the wooden door are applied to the damping device 4 through the rotating block 3. Until the force value is consumed, the opposite sex shell fragment is in a compressed state all the time, the arc surface on the upper part of the opposite sex shell fragment is ejected in the state, the arc surface continuously abuts against the shell fragment slide way 16 at the bottom of the tension spring connecting piece 5, so that the tension spring connecting piece 5 cannot move along the upper chute 8, the rotating block 3 moves along the lower chute 7, and at the moment, the tension spring 6 does not do work on the rotating block 3. When the force value is consumed, the opposite sex shrapnel is reset, the wave-shaped groove 15 at the bottom of the tension spring connecting piece 5 is meshed with the boss 22 at the top of the rotating block 3, the tension spring 6 pulls the tension spring connecting piece 5 to move along the upper chute 8 and simultaneously pulls the meshed rotating block 3 to slowly move to the final position in cooperation with the damping device 4.
One end of the tension spring 6 is fixed on the buffer shell 1, and the other end is fixed on the tension spring connecting piece 5 through a positioning pin 19.
The wave-shaped groove 15 is provided with a plurality of tooth sockets matched with the bosses 22, and the tooth sockets meshed with the bosses 22 and the wave-shaped groove 15 are different due to different thrust work of people on the door and different inertia force of the wooden door, so that the back tension spring 6 works on the rotating block 3 correspondingly, and the real-time adjustment effect is realized. When the thrust of a person on the door does work and the inertia force of the wooden door is larger, the boss 22 selects the tooth groove which is closer to the fixed position of the tension spring 6 and the buffer shell 1, the working distance of the tension spring 6 is shorter, and the work done by the tension spring 6 is relatively less; when the thrust of people to the door does work and the inertia force of the wooden door is small, the boss 22 selects the tooth groove far away from the fixed position of the tension spring 6 and the buffer shell 1, the working distance of the tension spring 6 is long, and the tension spring 6 does work at multiple points relatively.
When the door is opened, the rotating block 3 drives the tension spring connecting piece 5 to move to the tail end inclined surface 14, the rotating block 3 can easily move along the upper sliding groove 8 only by overcoming a small amount of downward component force of the tension spring 6 until the guide post 17 of the rotating block 3 enters a state to be triggered through the transition arc surface 13, meanwhile, the hook part 26 at the top of the rotating block 3 drives the guide post 17 on the tension spring connecting piece 5 to enable the tension force of the tension spring 6 to be changed and applied to the hook part 26 of the rotating block 3, and finally the rotating block 3 reaches a force value balance in the state to be triggered.
When the buffer is just triggered to work, the tension spring 6 is in a non-working state until the inertia force of the sliding door is consumed by the damping device 4. When the inertia force is almost exhausted, the tension spring 6 works, and the rotating block 3 is pulled to drive the trigger on the sliding door to slowly close the sliding door in place. The larger the inertia force of the sliding door when the door is closed, the shorter the working distance of the tension spring 6 is, the smaller the work required by the reset tension spring 6 when the door is opened is, and the purpose of saving labor is achieved.
Claims (10)
1. The utility model provides a borrow inertia power and move a buffer, includes buffer shell (1), commentaries on classics piece (3), damping device (4) and extension spring (6) all install in buffer shell (1), the one end of damping device (4) link to each other with commentaries on classics piece (3), its characterized in that: an upper chute (8) and a lower chute (7) are arranged on the inner wall of the buffer shell (1) in parallel, the rotating block (3) slides along the lower chute (7), one end of the tension spring (6) is connected with a tension spring connecting piece (5) which slides along the upper chute (8), both sides of the bottom surface of the tension spring connecting piece (5) are provided with a wave-shaped groove (15) along the length direction, the rotary block (3) is provided with a boss (22) matched with the wave-shaped groove (15), the bottom of the rotating block (3) is provided with a clamping interface (23), a pressure jacking device (24) is arranged at the clamping interface (23), when the pressure jacking device (24) is pressed, the pressure jacking device (24) jacks up the tension spring connecting piece (5) to separate the corrugated groove (15) from the boss (22), when the pressure jack device (24) is not pressed, the wave-shaped groove (15) is engaged with the boss (22).
2. A buffer for moving a door by inertial force as claimed in claim 1, wherein: draw spring connecting piece (5) in seted up a through-hole (18) along length direction, the opening part of this through-hole (18) one end is equipped with a locating pin (19), extension spring (6) one end pass through-hole (18) and link to each other with locating pin (19), the both sides that are located the through-hole (18) other end of extension spring connecting piece (5) respectively be equipped with a guide post (17), last spout (8) total two, and set up on buffer shell (1) inner wall side by side, guide post (17) slide along one of them last spout (8), locating pin (19) slide along another last spout (8), commentaries on classics piece (3) on be equipped with hook portion (26) that match with guide post (17).
3. A buffer for moving a door by inertial force as claimed in claim 1, wherein: the pressurized jacking device (24) is an opposite sex shell fragment, the rotating block (3) is vertically provided with a guide hole (25), the upper part of the opposite sex shell fragment extends into the guide hole (25) and slides up and down along the guide hole (25), the lower end of the opposite sex shell fragment is fixed with the inner wall on one side of the clamping interface (23), the lower part of the opposite sex shell fragment arches, and when the lower part of the opposite sex shell fragment is pressurized, the upper part of the opposite sex shell fragment can be forced to slide upwards along the guide hole (25) and extend out of the guide hole (25).
4. A buffer for moving a door by inertial force as claimed in claim 3, wherein: the outer side of the rotating block (3) is perpendicular to the guide hole (25) and is inserted with a limit pin (21), the upper part of the opposite-sex shrapnel is n-shaped and is buckled on the limit pin (21), and the upper end surface of the opposite-sex shrapnel is an arc surface.
5. A buffer for moving a door by inertial force as claimed in claim 3, wherein: the middle part of the bottom surface of the tension spring connecting piece (5) is positioned between the two wave-shaped grooves (15) and is provided with an elastic sheet slide way (16) in parallel, and the elastic sheet slide way (16) is used for allowing the upper end of the opposite-sex elastic sheet to slide.
6. A buffer for moving a door by inertial force as claimed in claim 1, wherein: the buffer shell (1) is formed by splicing a front shell (11) and a rear shell (9).
7. The buffer as claimed in claim 6, wherein: the front shell body (11) and the rear shell body (9) are sleeved with a stainless steel sheet metal shell (2).
8. A buffer for moving a door by inertial force as claimed in claim 1, wherein: the damping device (4) is a damping oil cylinder.
9. A buffer for moving a door by inertial force as claimed in claim 1, wherein: the lug boss (22) is semicircular.
10. A buffer for moving a door by inertial force as claimed in claim 1, wherein: the tail ends of the upper sliding groove (8) and the lower sliding groove (7) are respectively connected with a tripping groove (10) in a transition mode, a tail end inclined plane (14) is arranged at the joint of the upper sliding groove (8) and the tripping groove (10), and a transition arc surface (13) is arranged between the lower sliding groove (7) and the tripping groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180769.8A CN112302460B (en) | 2020-10-29 | 2020-10-29 | Buffer for moving door by means of inertia force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011180769.8A CN112302460B (en) | 2020-10-29 | 2020-10-29 | Buffer for moving door by means of inertia force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112302460A true CN112302460A (en) | 2021-02-02 |
| CN112302460B CN112302460B (en) | 2022-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011180769.8A Active CN112302460B (en) | 2020-10-29 | 2020-10-29 | Buffer for moving door by means of inertia force |
Country Status (1)
| Country | Link |
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| CN (1) | CN112302460B (en) |
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| KR20180106308A (en) * | 2017-03-20 | 2018-10-01 | (주)엘지하우시스 | Self-closing device for sliding window |
| US20190024429A1 (en) * | 2016-01-18 | 2019-01-24 | Shengli WANG | Bidirectional damper and movable door thereof |
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| CN109914961A (en) * | 2019-04-25 | 2019-06-21 | 佛山市南海区松岗浩能五金塑料有限公司 | A kind of buffer unit of Parallel moving door |
| CN211038265U (en) * | 2019-08-26 | 2020-07-17 | 九牧厨卫股份有限公司 | Laborsaving damping buffer and push-and-pull door |
| CN211229976U (en) * | 2019-10-10 | 2020-08-11 | 九牧厨卫股份有限公司 | Labor-saving buffer device |
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|---|---|---|---|---|
| CN1780968A (en) * | 2003-06-30 | 2006-05-31 | 株式会社下平金物 | Door closing device of sliding door |
| CN101018923A (en) * | 2004-08-30 | 2007-08-15 | 株式会社下平金物 | Door closing device for sliding door |
| CN202170702U (en) * | 2011-03-30 | 2012-03-21 | 詹惇昇 | Bidirectional buffer device for sliding door |
| KR101475937B1 (en) * | 2013-10-23 | 2014-12-23 | 주식회사 더원 | Shock absorber of the slide door |
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| CN205117028U (en) * | 2015-08-03 | 2016-03-30 | 广东海洋卫浴有限公司 | Take buffer's push -and -pull door mounting structure |
| CN204876979U (en) * | 2015-08-27 | 2015-12-16 | 玮俐实业股份有限公司 | Two -way buffer of push -and -pull door |
| CN105089406A (en) * | 2015-09-09 | 2015-11-25 | 广东坚朗五金制品股份有限公司 | Sliding door system and buffer device thereof |
| US20190024429A1 (en) * | 2016-01-18 | 2019-01-24 | Shengli WANG | Bidirectional damper and movable door thereof |
| CN105625848A (en) * | 2016-03-04 | 2016-06-01 | 广东奥柏瑞科技股份有限公司 | Furniture damper |
| CN106285278A (en) * | 2016-09-27 | 2017-01-04 | 东莞嘉道五金制品有限公司 | A kind of damping buffer unit of sliding door |
| KR20180106308A (en) * | 2017-03-20 | 2018-10-01 | (주)엘지하우시스 | Self-closing device for sliding window |
| CN207892414U (en) * | 2018-02-07 | 2018-09-21 | 广东图特家居科技股份有限公司 | Sliding door buffer |
| CN109281565A (en) * | 2018-12-06 | 2019-01-29 | 广东炬森五金精密制造有限公司 | A kind of structure-improved resetting buffer |
| CN109914961A (en) * | 2019-04-25 | 2019-06-21 | 佛山市南海区松岗浩能五金塑料有限公司 | A kind of buffer unit of Parallel moving door |
| CN211038265U (en) * | 2019-08-26 | 2020-07-17 | 九牧厨卫股份有限公司 | Laborsaving damping buffer and push-and-pull door |
| CN211229976U (en) * | 2019-10-10 | 2020-08-11 | 九牧厨卫股份有限公司 | Labor-saving buffer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112302460B (en) | 2022-03-25 |
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