CN111642918A - Furniture is with laborsaving silence pressing bounce-back switching device - Google Patents
Furniture is with laborsaving silence pressing bounce-back switching device Download PDFInfo
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- CN111642918A CN111642918A CN202010369513.5A CN202010369513A CN111642918A CN 111642918 A CN111642918 A CN 111642918A CN 202010369513 A CN202010369513 A CN 202010369513A CN 111642918 A CN111642918 A CN 111642918A
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- 238000003825 pressing Methods 0.000 title claims abstract description 134
- 230000009471 action Effects 0.000 claims abstract description 84
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 230000000670 limiting effect Effects 0.000 claims description 50
- 230000000694 effects Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/453—Actuated drawers
- A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/13—Sound or noise reduction or dampening, e.g. built in via the furniture panels
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Abstract
A labor-saving mute pressing rebound opening and closing device for furniture comprises a rebound support, a pushing element and a pressing element, wherein a return groove is formed in the rebound support, a sliding shaft part is arranged on the pushing element, the pressing element elastically stretches, limits and slides on the pushing element and/or the rebound support, acts on and drives the sliding shaft part to position and/or slide along the track of the return groove in a sequence direction when sliding, a lever assembly is further included, a lever action part is arranged on the lever assembly, a pushing action part is arranged on the pushing element, and an upper limit sliding region, a conversion region and a front stopping region are at least arranged on the return groove; the sliding shaft part acts and drives the pressing element and the pushing element to slide and extend out of the rebound bracket when sliding on the upper limit sliding region, the sliding shaft part slides to a certain position on the upper limit sliding region to be separated from the pressing element, and the pushing element interacts with the lever action part through the pushing action part when the sliding shaft part and the pressing element are separated. Through the improvement of the structure, the invention has strong practicability.
Description
Technical Field
The invention relates to a labor-saving mute pressing rebound opening and closing device for furniture.
Background
Chinese patent document No. CN107411385A discloses, in 2017, 4/14, an automatic reset type pressing and rebounding mechanism for furniture, which includes a movable furniture member, a stationary furniture member, a connecting element, and a fixed bracket, wherein the movable furniture member is movably opened and closed on the stationary furniture member, the fixed bracket is provided with a pressing and rebounding device, a telescopic resetting device, and at least two rotating wheels, the pressing and rebounding device at least includes a pushing element, the telescopic resetting device at least includes a telescopic element and a first elastic element which are elastically matched with each other, the pushing element and the telescopic element respectively slide on the fixed bracket, the at least two rotating wheels are relatively independently arranged and respectively rotate on the fixed bracket, the at least two rotating wheels are in movable fit when being interconnected at rotating positions, one of the rotating wheels is drivingly connected with the telescopic element, and the other rotating wheel is drivingly connected with the pushing element; the pushing element is provided with a swinging element, the fixed support is provided with a heart-shaped sliding groove, the swinging element swings on the pushing element, and one end of the swinging element slides along the track of the heart-shaped sliding groove in sequence in one direction when the pushing element slides. The elasticity of the third elastic element must be overcome when the structure is pressed to be opened, the pushing element can be opened along the track of the heart-shaped sliding groove in a sliding mode, the elasticity of the third elastic element is large, a user can apply the same force when pressing, the user can press and open the furniture by using the larger force, meanwhile, the connection compactness of all components in the pressing rebounding mechanism is lower, the components are always collided when being opened or closed, various abnormal sounds of the furniture occur in the opening and closing process, the service life of the product is shortened, the use experience of the user is influenced, and further improvement is necessary.
Disclosure of Invention
The invention aims to provide the labor-saving mute pressing rebound opening and closing device for the furniture, which has the advantages of simple and reasonable structure, low manufacturing cost, reliable performance, compact connection among all components, no noise in the opening and closing process, no abnormal sound, high flexibility and long service life, and overcomes the defects in the prior art.
According to this purpose design's a bounce-back switching device is pressed with laborsaving silence to furniture, including bounce-back support, thrust element, pressing element, be provided with the return groove on the bounce-back support, be provided with the sliding shaft portion on the thrust element, pressing element elastic expansion spacing slip on thrust element and/or bounce-back support, and when sliding act on and drive the sliding shaft portion towards the orbit location and/or the slip of a sequence direction along the return groove, its characterized in that: the device is characterized by further comprising a lever assembly, wherein the lever assembly is respectively connected with the rebound support and the pressing element in a matched mode, a lever action part is further arranged on the lever assembly, a pushing action part is arranged on the pushing element, and an upper limiting sliding area, a conversion area and a front stopping area which are mutually communicated are at least arranged on the rebound groove.
The sliding shaft part acts on the upper limit sliding region and drives the pressing element and the pushing element to slide and extend out of the rebound bracket, the sliding shaft part slides to a certain position on the upper limit sliding region and is separated from the pressing element, the pushing element interacts with the lever action part through the pushing action part when the sliding shaft part and the pressing element are separated, the lever assembly moves on the rebound bracket through the action of the pushing element and drives the pressing element and the pushing element to continue to slide and extend out of the rebound bracket, and the pushing element drives the sliding shaft part to buffer and slide from the upper limit sliding region to the conversion region and stay in the front stay region when continuing to slide and extend on the rebound bracket; wherein the pushing element and the pressing element are extended and positioned outside the rebounding bracket when the sliding shaft part stays in the front staying area.
The conversion area is at least composed of a zigzag section, two ends of the conversion area are respectively communicated with the upper limiting sliding area and the front staying area, and a certain included angle is formed between the conversion area and the upper limiting sliding area and/or the front staying area.
The lower limiting sliding area is arranged on the circular groove, is communicated with the front stopping area and forms a certain included angle with the conversion area.
The push element slides into the rebound support through interaction of the push action part and the lever action part, the lever assembly moves on the rebound support through the action of the push element and drives the pressing element and the push element to slide into the rebound support, the push element drives the sliding shaft part to slide from the front staying area to the lower limiting sliding area when sliding into the rebound support, the sliding shaft part slides to a certain position on the lower limiting sliding area to interact with the pressing element and drive the pressing element and the push element to continuously slide into the rebound support, and the push action part is separated from the lever action part when the sliding shaft part and the pressing element act.
At least one zigzag section is arranged between the pushing action part and the leverage action part, and the pushing action part and the leverage action part interact through the at least one zigzag section.
The lever assembly comprises a first lever and a second lever; one end of the first lever is rotatably arranged on the rebound support, the other end of the first lever is provided with a lever action part which is interacted or separated with the pushing action part, one end of the second lever is rotatably arranged on the first lever, and the other end of the second lever is rotatably arranged on the pressing element.
A post-staying area is arranged on the return groove; the upper limiting sliding area, the conversion area, the front stopping area, the lower limiting sliding area and the rear stopping area are communicated end to end and jointly form a clip-shaped groove.
The pressing element acts and drives the sliding shaft part to slide from the lower limiting sliding area and stay in the rear stay area when continuously sliding into the rebounding bracket; wherein the pushing element and the pressing element are positioned in the rebounding bracket when the sliding shaft part is stopped in the rear stopping area.
The rear staying area is heart-shaped, and the left side wall and the right side wall are respectively provided with an inclined part; the pressing element is provided with a rear area sliding-in guide part, and the rear area sliding-in guide part is interacted or separated with the sliding shaft part.
The push element slides into the rebound support through interaction of the push action part and the lever action part, the lever assembly moves on the rebound support through the action of the push element and drives the pressing element and the push element to slide into the rebound support, the push element drives the sliding shaft part to slide from the front staying area to the lower limiting sliding area when sliding into the rebound support, the sliding shaft part slides to a certain position on the lower limiting sliding area and slides into the guide part to interact with the rear area and drives the pressing element and the push element to continuously slide into the rebound support, and the push action part is separated from the lever action part when the sliding shaft part and the rear area slide into the guide part.
When the pressing element continuously slides into the rebounding bracket, the pressing element slides into the guide part through the rear area to act and drive the sliding shaft part to obliquely guide and slide from the lower limiting sliding area and stay in the rear stay area; the sliding shaft part is separated from the rear area sliding guiding part when staying in the rear staying area, and the pushing element and the pressing element extend into and are positioned in the rebounding support when staying in the rear staying area.
A pressing elastic piece is arranged between the pushing element and the rebounding support, one end of the pressing elastic piece is elastically connected with the pushing element, and the other end of the pressing elastic piece is elastically connected with the rebounding support; the pressing element is also provided with a rear area sliding-out guide part, and the rear area sliding-out guide part is interacted or separated with the sliding shaft part.
The sliding shaft part stays in the rear staying area, and when the pressing element is pressed and slides relative to the rebounding support, the pressing element slides out of the rear staying area through the function of the rear area sliding-out guide part and drives the sliding shaft part to obliquely guide and slide out of the rear staying area to the upper limiting sliding area.
The sliding shaft part acts on the rear area sliding-out guide part when sliding on the upper limit sliding area, the pressing element and the pushing element slide and extend out of the rebound bracket through the action of the sliding shaft part, the sliding shaft part slides to a certain position on the upper limit sliding area and is separated from the rear area sliding-out guide part, the pushing element interacts with the lever action part through the pushing action part when the sliding shaft part and the rear area sliding-out guide part are separated, the lever assembly moves on the rebound bracket through the action of the pushing element and drives the pressing element and the pushing element to continue to slide and extend out of the rebound bracket, and the pushing element drives the sliding shaft part to buffer and slide from the upper limit sliding area to the conversion area and stay in the front stay area when continuing to slide and extend out on the rebound bracket; wherein the pushing element and the pressing element are extended and positioned outside the rebounding bracket when the sliding shaft part stays in the front staying area.
The pressing element is provided with a limiting part, the pushing element is provided with a limiting matching part, a sliding elastic part is further arranged between the pressing element and the pushing element, one end of the sliding elastic part is elastically connected with the pressing element, and the other end of the sliding elastic part is elastically connected with the pushing element; the pressing element elastically stretches towards the direction of the backward staying area all the time to limit and slides on the limit matching part of the pushing element through the matching of the limit part and the sliding elastic piece; the elastic force generated by the pressing elastic piece is greater than the elastic force generated by the sliding elastic piece.
The device also comprises a movable part which moves relative to the rebounding bracket, wherein the movable part drives the lever assembly to rotate on the rebounding bracket when moving towards the rebounding bracket, and the movable part is separated from the lever assembly in a clearance-avoiding way when moving towards the reverse direction of the rebounding bracket.
Through the improvement of the structure, compared with the prior art, the invention has the following advantages:
1. before the sliding shaft part enters the conversion area, the sliding shaft part is separated from the pressing element, and the pushing element and the pressing element extend out and are positioned outside the rebound bracket only by the cooperation between the lever action part and the pushing action part, so that collision and abnormal sound generated when the sliding shaft part stays in the front stay area can be reduced, the sliding shaft part can slide in and stay in the front stay area without collision and abnormal sound, the problems of loose assembly among components caused by inaccurate production size and assembly position of the rebound bracket, the pushing element and the pressing element and collision and abnormal sound generated when the sliding shaft part slides in and stays in the front stay area are avoided, the connection compactness among the components is improved, the service life of a product is prolonged, unnecessary contact between the sliding shaft part and the pressing element can be reduced, and the service life of the product is prolonged.
2. The conversion area is at least composed of a zigzag section, the sliding shaft part can be guided to slide in a non-collision, non-noise and mute manner and stay in the front stay area, and meanwhile, because a certain included angle is formed between the conversion area and the upper limit sliding area and the lower limit sliding area, the sliding shaft part can only slide along the track of the return groove in one sequence direction during work, so that the problems that the sliding shaft part cannot be positioned on a pushing element and easily moves randomly on the pushing element in the transportation or use process, the sliding shaft part is clamped on the pushing element and cannot be positioned and slide along the track of the return groove in the prior art are solved, and the use stability of the product is higher.
3. The sliding shaft part interacts with the pressing element when sliding at a certain position on the lower limiting sliding area, and the lever action part is separated from the pushing action part at the moment, so that useless contact between the lever action part and the pushing action part can be reduced, the service life of a product is further prolonged, the interaction effect between the sliding shaft part and the pressing element can be improved, the sliding shaft part and the pressing element can interact without collision, noise and noise, the opening and closing silencing effect of the product is further improved, and the use experience of a user is further improved.
4. The sliding shaft part is obliquely guided to slide from the lower limit sliding area and stay in the rear stop area under the action of the rear area sliding-in guide part, and obliquely guided to slide out to the upper limit sliding area from the rear stop area under the action of the rear area sliding-out guide part, so that the sliding shaft part can realize the oblique guide sliding effect in the sliding process, the problem that the sliding shaft part is clamped on the clip groove due to the assembly position relation is avoided, and a user forcibly drives the pressing element to slide into the rebound support to cause damage of the sliding shaft part, and meanwhile, the sliding-in and sliding-out effects of the sliding shaft part on the rear stop area can be improved, and the sliding shaft part can slide in and slide out on the rear stop area without collision, noise and silence.
5. When the pushing element and the pressing element are closed relative to the rebounding bracket, the pushing element and the pressing element can slide into the guide part through the rear area and counteract the opening elastic force of the pressing elastic piece acting on the pushing element through the guide matching of the sliding shaft part, so that the pushing element and the pressing element can automatically slide into and be positioned in the rebounding bracket through self inertia; when the pushing element and the pressing element slide out and open relative to the rebounding support, the closing elastic force acted on the pushing element by the pressing elastic piece is offset through the guiding matching of the back area slide-out guide part and the sliding shaft part, so that a user can drive the pushing element and the pressing element to automatically slide out and be positioned outside the rebounding support by using less pressing force, and the using requirements of the user are greatly met.
In summary, the device has the characteristics of simple and reasonable structure, low manufacturing cost, reliable performance, compact connection among all components, no noise in the opening and closing process, no abnormal sound, high flexibility, long service life and the like, and is strong in practicability.
Drawings
Fig. 1 and 2 are schematic exploded structural views of a first embodiment of the present invention.
Fig. 3 is a schematic view of a structure of a rectangular slot according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a pressing element according to a first embodiment of the present invention.
Fig. 5 to 13 are schematic views illustrating the sliding process of the pushing element and the pressing element relative to the rebounding frame according to the first embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 1-13, the labor-saving silent pressing rebound opening and closing device for furniture comprises a rebound bracket 1, a pushing element 2, a pressing element 3 and a lever assembly, wherein a rebound groove 4 is arranged on the rebound bracket 1, a sliding shaft part 5 is arranged on the pushing element 2, the pressing element 3 elastically stretches, limits and slides on the pushing element 2 and/or the rebound bracket 1, and acts and drives the sliding shaft part 5 to position and/or slide along the track of the rebound groove 4 in a sequential direction when sliding.
The lever assembly is respectively matched and connected with the rebound support 1 and the pressing element 3, a lever action part 6 is further arranged on the lever assembly, a pushing action part 7 is arranged on the pushing element 2, and an upper limiting sliding area 8, a conversion area 9 and a front stopping area 10 which are mutually communicated are at least arranged on the return groove 4.
The sliding shaft part 5 acts and drives the pressing element 3 and the pushing element 2 to slide and extend out of the rebound bracket 1 when sliding on the upper limit sliding region 8, the sliding shaft part 5 slides to a certain position on the upper limit sliding region 8 to be separated from the pressing element 3, the pushing element 2 interacts with the lever action part 6 through the pushing action part 7 when the sliding shaft part 5 and the pressing element 3 are separated, the lever assembly moves on the rebound bracket 1 through the action of the pushing element 2 and drives the pressing element 3 and the pushing element 2 to continue to slide and extend out of the rebound bracket 1, and the pushing element 2 drives the sliding shaft part 5 to buffer and slide from the upper limit sliding region 8 to the conversion region 9 and stay in the front stay region 10 when continuing to slide and extend out on the rebound bracket 1; wherein the pusher element 2 and the pressure element 3 are positioned protruding outside the rebound catch 1 when the sliding shaft part 5 is resting in the front resting area 10.
The conversion area 9 is at least composed of a zigzag section, two ends of the conversion area are respectively communicated with the upper limiting sliding area 8 and the front staying area 10, and a certain included angle a is formed between the conversion area 9 and the upper limiting sliding area 8 and/or the front staying area 10.
The lower limiting sliding area 11 is arranged on the circular groove 4, the lower limiting sliding area 11 is communicated with the front stopping area 10, and a certain included angle b is formed between the lower limiting sliding area 11 and the conversion area 9.
When the pushing element 2 slides into the rebounding support 1, the pushing action part 7 interacts with the lever action part 6, the lever assembly moves on the rebounding support 1 under the action of the pushing element 2 and drives the pressing element 3 and the pushing element 2 to slide into the rebounding support 1, when the pushing element 2 slides into the rebounding support 1, the sliding shaft part 5 is driven to slide from the front staying area 10 to the lower limiting sliding area 11, the sliding shaft part 5 slides to a certain position on the lower limiting sliding area 11 to interact with the pressing element 3 and drive the pressing element 3 and the pushing element 2 to continuously slide into the rebounding support 1, and when the sliding shaft part 5 and the pressing element 3 act, the pushing action part 7 is separated from the lever action part 6.
At least one zigzag section is arranged between the pushing action part 7 and the lever action part 6, and the pushing action part 7 and the lever action part 6 interact through the at least one zigzag section.
The lever assembly comprises a first lever 12 and a second lever 13; wherein, one end of the first lever 12 is rotatably arranged on the rebound bracket 1, the other end is provided with a lever action part 6 which is interacted or separated with the pushing action part 7, one end of the second lever 13 is rotatably arranged on the first lever 12, and the other end is rotatably arranged on the pressing element 3.
The return groove 4 is provided with a post-staying area 14; the upper limiting sliding area 8, the conversion area 9, the front stopping area 10, the lower limiting sliding area 11 and the rear stopping area 14 are communicated end to end and jointly form a return groove 4.
The pressing element 3 acts and drives the sliding shaft part 5 to slide from the lower limiting sliding area 11 and stay in the rear stay area 14 when continuing to slide into the rebound bracket 1; in this case, pusher element 2 and pressing element 3 project into position in rebound catch 1 when sliding shaft 5 rests in rear rest area 14.
The post-stay region 14 is heart-shaped, and the left and right side walls are respectively provided with an inclined part; the pressing member 3 is provided with a rear area slide-in guide 15, and interacts or disengages with the slide shaft portion 5 through the rear area slide-in guide 15.
When the pushing element 2 slides into the rebounding bracket 1, the pushing action part 7 interacts with the lever action part 6, the lever assembly moves on the rebounding bracket 1 through the action of the pushing element 2 and drives the pressing element 3 and the pushing element 2 to slide into the rebounding bracket 1, when the pushing element 2 slides into the rebounding bracket 1, the sliding shaft part 5 is driven to slide from the front staying area 10 to the lower limiting sliding area 11, the sliding shaft part 5 slides on the lower limiting sliding area 11 to a certain position to interact with the rear area sliding guide part 15 and drives the pressing element 3 and the pushing element 2 to continuously slide into the rebounding bracket 1, and when the sliding shaft part 5 and the rear area sliding guide part 15 act, the pushing action part 7 is separated from the lever action part 6.
When the pressing element 3 continues to slide into the rebounding holder 1, it acts through the rear area slide-in guide 15 and drives the sliding shaft portion 5 to slide obliquely from the lower limit sliding area 11 and stay in the rear stay area 14; the sliding shaft part 5 is separated from the rear area slide-in guide 15 when it is in the rear parking area 14, and the pushing element 2 and the pressing element 3 are positioned in the rebound bracket 1 when the sliding shaft part 5 is in the rear parking area 14.
A pressing elastic piece 16 is arranged between the pushing element 2 and the rebounding bracket 1, one end of the pressing elastic piece 16 is elastically connected with the pushing element 2, and the other end is elastically connected with the rebounding bracket 1; the pressing member 3 is also provided with a rear area slide-out guide portion 17, and interacts or disengages with the spool portion 5 through the rear area slide-out guide portion 17.
When the sliding shaft part 5 stays in the rear stay region 14 and the pressing element 3 is pressed and slid against the rebounding holder 1, the pressing element 3 acts through the rear region slide guide part 17 and drives the sliding shaft part 5 to slide out obliquely and guided from the rear stay region 14 onto the upper limit sliding region 8.
The sliding shaft part 5 acts on the rear area sliding-out guide part 17 when sliding on the upper limit sliding area 8, the pressing element 3 and the pushing element 2 slide and extend out of the rebound bracket 1 through the action of the sliding shaft part 5, the sliding shaft part 5 slides to a certain position on the upper limit sliding area 8 and is separated from the rear area sliding-out guide part 17, the pushing element 2 interacts with the lever action part 6 through the pushing action part 7 when the sliding shaft part 5 and the rear area sliding-out guide part 17 are separated, the lever assembly moves on the rebound bracket 1 through the action of the pushing element 2 and drives the pressing element 3 and the pushing element 2 to continuously slide and extend out of the rebound bracket 1, and the pushing element 2 drives the sliding shaft part 5 to buffer and slide from the upper limit sliding area 8 to the conversion area 9 and stay in the front stay area 10 when continuously sliding and extending on the rebound bracket 1; wherein the pushing element 2 and the pressing element 3 are positioned protruding outside the rebound catch 1 when the sliding shaft part 5 stays in the front stay area 10.
A limiting part 18 is arranged on the pressing element 3, a limiting matching part 19 is arranged on the pushing element 2, a sliding elastic part 20 is also arranged between the pressing element 3 and the pushing element 2, one end of the sliding elastic part 20 is elastically connected with the pressing element 3, and the other end is elastically connected with the pushing element 2; the pressing element 3 is always elastically extended and limited to slide on the limit matching part 19 of the pushing element 2 towards the direction of the rear staying area 14 through the matching of the limit part 18 and the sliding elastic piece 20; the elastic force generated by the pressing elastic member 16 is greater than the elastic force generated by the sliding elastic member 20.
The device also comprises a movable part 21 which moves relative to the rebound bracket 1, wherein the movable part 21 drives the lever assembly to rotate on the rebound bracket 1 when moving towards the rebound bracket 1, and the movable part 21 is separated from the lever assembly in a clearance way when moving towards the opposite direction of the rebound bracket 1.
The working principle of the movable part 21 is similar to that of an adjusting structure for furniture press rebound disclosed in 2019, 8, 2 and CN110074570A of the applicant, and the details are not repeated.
The drawings are for illustrative purposes only and are presented in the form of illustrations only, not illustrations as physical or logical, and should not be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Moreover, like or similar designations in the drawings indicate like or similar elements throughout the several views of the invention; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "transverse", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience only and to simplify the description, but it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Claims (10)
1. The utility model provides a bounce switching device is pressed with laborsaving silence to furniture, including bounce-back support (1), thrust element (2), press element (3), be provided with on bounce-back support (1) and return groove (4), be provided with sliding shaft portion (5) on thrust element (2), press element (3) the spacing slip of elastic expansion on thrust element (2) and/or bounce-back support (1), and when sliding effect and drive sliding shaft portion (5) towards the orbit location and/or the slip of a sequential direction along returning groove (4), its characterized in that: the device is characterized by further comprising a lever assembly, wherein the lever assembly is respectively matched and connected with the rebound support (1) and the pressing element (3), a lever action part (6) is further arranged on the lever assembly, a pushing action part (7) is arranged on the pushing element (2), and the return groove (4) is at least provided with an upper limiting sliding area (8), a conversion area (9) and a front stopping area (10) which are mutually communicated;
the sliding shaft part (5) acts and drives the pressing element (3) and the pushing element (2) to slide and extend out of the rebound bracket (1) when sliding on the upper limit sliding area (8), the sliding shaft part (5) slides to a certain position on the upper limit sliding area (8) to be separated from the pressing element (3), the pushing element (2) is interacted with the lever action part (6) through the pushing action part (7) when the sliding shaft part (5) and the pressing element (3) are separated, the lever component moves on the rebound bracket (1) through the action of the pushing element (2) and drives the pressing element (3) and the pushing element (2) to continuously slide and extend out of the rebound bracket (1), when the pushing element (2) continues to slide and extend on the rebound bracket (1), the sliding shaft part (5) is driven to slide to the conversion area (9) from the upper limit sliding area (8) in a buffering way and stay in the front stay area (10); wherein the pushing element (2) and the pressing element (3) are positioned outside the rebound bracket (1) in a protruding manner when the sliding shaft part (5) stays in the front stay area (10).
2. The labor-saving mute press rebound opening and closing device for furniture according to claim 1, wherein: the conversion area (9) is at least composed of a zigzag section, two ends of the conversion area are respectively communicated with the upper limiting sliding area (8) and the front staying area (10), and a certain included angle (a) is formed between the conversion area (9) and the upper limiting sliding area (8) and/or the front staying area (10).
3. The labor-saving mute press rebound opening and closing device for furniture according to claim 1, wherein: a lower limiting sliding area (11) is arranged on the circular groove (4), the lower limiting sliding area (11) is communicated with the front stopping area (10) and forms a certain included angle (b) with the conversion area (9);
when the pushing element (2) slides into the rebounding support (1), the pushing action part (7) interacts with the lever action part (6), the lever assembly moves on the rebounding support (1) under the action of the pushing element (2) and drives the pressing element (3) and the pushing element (2) to slide into the rebounding support (1), when the pushing element (2) slides into the rebounding support (1), the sliding shaft part (5) is driven to slide from the front staying area (10) to the lower limiting sliding area (11), the sliding shaft part (5) slides to a certain position on the lower limiting sliding area (11) to interact with the pressing element (3) and drive the pressing element (3) and the pushing element (2) to continuously slide into the rebounding support (1), and the pushing action part (7) is arranged on the sliding shaft part (5), the pressing element (3) is disengaged from the leverage portion (6) when acting.
4. The labor-saving mute press rebound opening and closing device for furniture according to claim 3, wherein: at least one zigzag section is arranged between the pushing action part (7) and the leverage part (6), and the pushing action part (7) and the leverage part (6) interact through the at least one zigzag section.
5. The labor-saving mute press rebound opening and closing device for furniture according to claim 1, wherein: the lever assembly comprises a first lever (12) and a second lever (13); wherein, one end of the first lever (12) is rotatably arranged on the rebound bracket (1), the other end is provided with a lever action part (6) which is interacted or separated with the push action part (7), one end of the second lever (13) is rotatably arranged on the first lever (12), and the other end is rotatably arranged on the pressing element (3).
6. The labor-saving mute press rebound opening and closing device for furniture according to claim 3, wherein: a post-staying area (14) is arranged on the return groove (4); the upper limiting sliding area (8), the conversion area (9), the front stopping area (10), the lower limiting sliding area (11) and the rear stopping area (14) are communicated end to end and jointly form a return groove (4);
when the pressing element (3) continuously slides into the rebounding bracket (1), the pressing element acts and drives the sliding shaft part (5) to slide from the lower limiting sliding area (11) and stay in the rear stay area (14); wherein the pushing element (2) and the pressing element (3) are inserted into the rebound bracket (1) and positioned when the sliding shaft part (5) stays in the rear stay area (14).
7. The labor-saving mute press rebound opening and closing device for furniture as claimed in claim 6, wherein: the post-staying area (14) is heart-shaped, and the left side wall and the right side wall are respectively provided with an inclined part; the pressing element (3) is provided with a rear area slide-in guide part (15), and the rear area slide-in guide part (15) is interacted or separated with the sliding shaft part (5);
when the pushing element (2) slides into the rebounding bracket (1), the pushing action part (7) interacts with the lever action part (6), the lever assembly moves on the rebounding bracket (1) under the action of the pushing element (2) and drives the pushing element (3) and the pushing element (2) to slide into the rebounding bracket (1), when the pushing element (2) slides into the rebounding bracket (1), the sliding shaft part (5) is driven to slide from the front staying area (10) to the lower limiting sliding area (11), the sliding shaft part (5) slides to a certain position on the lower limiting sliding area (11) to interact with the rear area sliding guide part (15) and drives the pushing element (3) and the pushing element (2) to continuously slide into the rebounding bracket (1), and the pushing action part (7) is arranged on the sliding shaft part (5), the rear area is separated from the leverage part (6) when sliding into the guide part (15) to act;
when the pressing element (3) continuously slides into the rebounding bracket (1), the sliding shaft part (5) is driven to obliquely slide from the lower limit sliding area (11) under the action of the rear area sliding guide part (15) and stay in the rear stay area (14); when the sliding shaft part (5) stays in the rear stay region (14), the sliding shaft part and the rear region slide-in guide part (15) are separated from each other, and the pushing element (2) and the pressing element (3) stretch into and are positioned in the rebounding bracket (1) when the sliding shaft part (5) stays in the rear stay region (14).
8. The labor-saving silent pressing rebound opening and closing device for furniture as claimed in claim 7, wherein: a pressing elastic piece (16) is arranged between the pushing element (2) and the rebounding support (1), one end of the pressing elastic piece (16) is elastically connected with the pushing element (2), and the other end of the pressing elastic piece (16) is elastically connected with the rebounding support (1); the pressing element (3) is also provided with a rear area sliding-out guide part (17), and the rear area sliding-out guide part (17) interacts with or is separated from the sliding shaft part (5);
the sliding shaft part (5) stays in the rear staying area (14), and when the pressing element (3) is pressed and slides relative to the rebounding bracket (1), the pressing element (3) acts through the rear area sliding guide part (17) and drives the sliding shaft part (5) to obliquely guide and slide out from the rear staying area (14) to the upper limiting sliding area (8);
the sliding shaft part (5) acts on the rear area sliding-out guide part (17) when sliding on the upper limit sliding area (8), the pressing element (3) and the pushing element (2) slide and extend out of the rebound bracket (1) through the action of the sliding shaft part (5), the sliding shaft part (5) slides to a certain position on the upper limit sliding area (8) to be separated from the rear area sliding-out guide part (17), the pushing element (2) acts on the rebound bracket (1) through the pushing action part (7) and the lever action part (6) when separating from the sliding shaft part (5) and the rear area sliding-out guide part (17), the lever assembly moves on the rebound bracket (1) through the action of the pushing element (2) and drives the pressing element (3) and the pushing element (2) to continue to slide out of the rebound bracket (1), and the pushing element (2) drives the sliding shaft part (5) to buffer and slide from the upper limit sliding area (8) to the conversion area (9) when continuing to slide and extend on the rebound bracket (1) And stays in the front stay area (10); wherein the pushing element (2) and the pressing element (3) are positioned outside the rebound bracket (1) in a protruding manner when the sliding shaft part (5) stays in the front stay area (10).
9. The labor-saving silent pressing rebound opening and closing device for furniture as claimed in claim 8, wherein: a limiting part (18) is arranged on the pressing element (3), a limiting matching part (19) is arranged on the pushing element (2), a sliding elastic piece (20) is further arranged between the pressing element (3) and the pushing element (2), one end of the sliding elastic piece (20) is elastically connected with the pressing element (3), and the other end of the sliding elastic piece is elastically connected with the pushing element (2); the pressing element (3) is matched with the limiting part (18) and the sliding elastic piece (20) to elastically stretch and limit and slide on the limiting matching part (19) of the pushing element (2) towards the direction of the rear staying area (14); the elastic force generated by the pressing elastic piece (16) is larger than the elastic force generated by the sliding elastic piece (20).
10. A labor-saving silent press-bounce opening and closing device for furniture according to any one of claims 1 to 9, characterized in that: the rebounding device is characterized by further comprising a movable part (21) which moves relative to the rebounding support (1), wherein the lever assembly is driven to rotate on the rebounding support (1) when the movable part (21) moves towards the rebounding support (1), and the movable part (21) is separated from the lever assembly in a clearance mode when moving towards the reverse direction of the rebounding support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369513.5A CN111642918A (en) | 2020-05-02 | 2020-05-02 | Furniture is with laborsaving silence pressing bounce-back switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010369513.5A CN111642918A (en) | 2020-05-02 | 2020-05-02 | Furniture is with laborsaving silence pressing bounce-back switching device |
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| Publication Number | Publication Date |
|---|---|
| CN111642918A true CN111642918A (en) | 2020-09-11 |
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|---|---|---|---|
| CN202010369513.5A Pending CN111642918A (en) | 2020-05-02 | 2020-05-02 | Furniture is with laborsaving silence pressing bounce-back switching device |
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| KR20040025316A (en) * | 2002-09-19 | 2004-03-24 | 삼성전자주식회사 | Drawer-type refrigerator |
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