CN107183992B

CN107183992B - Cabinet body peripheral surface sealing structure

Info

Publication number: CN107183992B
Application number: CN201710354176.0A
Authority: CN
Inventors: 张渝
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-18
Filing date: 2017-05-18
Publication date: 2020-09-25
Anticipated expiration: 2037-05-18
Also published as: CN107183992A

Abstract

The invention relates to the field of sealing devices, and particularly discloses a sealing structure for the peripheral surface of a cabinet body, which comprises a sealing body and a telescopic mechanism, wherein the telescopic mechanism is fixed on the peripheral surface of the outer part of the cabinet body in multiple sections, the multiple sections of the sealing body are arranged on the outer side of the telescopic mechanism, so that the sealing body surrounds the peripheral surface of the outer part of the cabinet body, and the sealing body is connected with the telescopic mechanism through a top block, so that the sealing body is pushed out to seal or withdrawn to release the seal along with the extension. By adopting the scheme, the peripheral sealing structure of the cabinet body can effectively and comprehensively block the gap between the cabinet body and the surrounding room body, a sound-insulating private space is formed between the cabinet body and the room body, and the sensory experience in living is improved.

Description

Cabinet body peripheral surface sealing structure

Technical Field

The invention relates to the field of sealing devices, in particular to a sealing structure for the peripheral surface of a cabinet body.

Background

With the rising of the house price, most young people in the big city are struggled to rent houses, even rent together to reduce rent burden, and owners of rented houses also push out partition houses in a direct manner, so that the rent of a single tenant is further reduced while the space in the houses is compressed. However, the decoration cost for making the partition is large, the disassembly and assembly cost for refitting is also high, and the economic cost of the owner is increased. Therefore, in areas with short housing space such as Europe, Japan and the like, foldable vertical cabinets such as Murphy beds gradually appear, and multifunctional cabinet type folding beds forming beds can be opened, so that the space utilization is greatly optimized; however, the cabinet type folding bed does not consider the problem of sealing and sound insulation, when a plurality of cabinet type folding beds are combined to form a plurality of small bedrooms, the sound can be directly transmitted to the adjacent small bedrooms, so that the sense organ experience during living is influenced.

Disclosure of Invention

In order to solve the problems, the invention provides a peripheral sealing structure of a cabinet body, which can effectively and comprehensively block a gap between the cabinet body and a surrounding room body, form a sound-proof private space between the cabinet body and the room body, and improve the sensory experience in living.

The sealing structure for the peripheral surface of the cabinet body comprises a sealing body and a telescopic mechanism, wherein the telescopic mechanism is fixed on the peripheral surface of the outer part of the cabinet body in multiple sections, and the multiple sections of the sealing body are arranged at the outer side of the telescopic mechanism, so that the sealing body surrounds the peripheral surface of the outer part of the cabinet body and is pushed out for sealing or withdrawn for releasing the sealing along with the telescopic mechanism; the sealing body comprises a sealing fixed frame and a sealing strip arranged on the outer side of the sealing fixed frame; the telescopic mechanism comprises: the transfer line and pass through a plurality of drive mechanism of transfer line series drive, drive mechanism includes: the transmission case and a transmission shaft arranged in the transmission case, wherein the transmission shaft is provided with a cylindrical gear, a rack is slidably arranged in a sliding hole formed in the transmission case, the rack is meshed with the cylindrical gear, and the outer end of the rack can extend out of the transmission case; when the transmission mechanism works, each transmission shaft is driven to rotate, and each rack is driven to synchronously extend or retract; the sealing fixed frame is connected with the extending end of the rack corresponding to the transmission mechanism.

The telescopic mechanism is in a retraction state at ordinary times, so that the sealing body is tightly attached to the periphery of the cabinet body outer side face of the cabinet type folding bed, a gap between the cabinet body and the room body is reserved, and the cabinet body is convenient to move and arrange; after the cabinet type folding bed is arranged, the telescopic mechanism stretches out to push the sealing body to expand outwards along the periphery of the cabinet body until the outer end of the sealing body is abutted against a room body or other fixed objects, a sealing strip is formed between the cabinet body and the room body, the single cabinet body is matched with sealing measures on other open surfaces or a plurality of cabinet bodies, one or a plurality of small-sized sealed spaces with good sound insulation effect and strong privacy are formed, and sensory experience of people living in the single cabinet body is improved.

Furthermore, the side face of the sealing fixing frame adjacent to the transmission mechanism is provided with an ejector block, and the lower end of the ejector block is connected with the upper end of the rack. Transition connection is realized by arranging a top block, and convenience is brought to disassembly, assembly and maintenance.

Furthermore, the section of the sealing fixing frame is an inverted L-shaped aluminum section, an inner abdominal cavity of the inverted L-shaped sealing fixing frame wraps one side part and the top part of the convex mounting part on the outer peripheral surface of the cabinet body, the transmission mechanism is arranged on the other side of the mounting part, the ejector block is arranged on the side surface of the sealing fixing frame above the rack in the transmission mechanism, a threaded hole is formed in the upper end surface of the rack, and the ejector block is fixed to the upper end surface of the rack through an ejector block bolt; the transmission mechanism is fixed on the mounting part through a screw; the top of the sealing fixing frame is provided with a transverse T-shaped groove along the length direction, and the sealing strip is clamped on the transverse T-shaped groove through a T-shaped lower connecting body arranged at the lower part of the sealing strip. The design of convenient assembly and disassembly among the multiple parts, compact and reasonable structure, and convenient installation and maintenance.

Furthermore, a longitudinal T-shaped groove extending along the length direction of the sealing fixing frame is formed in the inner side face, opposite to the installation portion, of the sealing fixing frame, and an inner sealing strip is clamped on the longitudinal T-shaped groove through a T-shaped side connecting body arranged on one side of the inner sealing strip, so that the inner sealing strip is sealed between the sealing fixing frame and the installation portion to form a sealing strip. The sealing body is provided with the inner sealing strip on the movable matching surface with the cabinet body, so that the sealing and sound insulation effects are further improved.

Further, the transmission mechanism comprises a main transmission mechanism, a straight transmission mechanism and a corner transmission mechanism; the transmission case and the transmission shaft of the main transmission mechanism are respectively a main transmission case and a main transmission shaft, the main transmission shaft is arranged in the main transmission case in the left-right direction, a worm gear is arranged in the middle of the main transmission shaft, and the two cylindrical gears are respectively arranged on two sides of the worm gear; a worm is arranged perpendicular to the main transmission shaft, one end of the worm protrudes out of the rear surface of the main transmission box, and a driving interface is arranged at the protruding end of the worm so as to be connected with external driving; the two racks are arranged in parallel to the worm, and the outer ends of the racks protrude out of the front surface of the main transmission case; the transmission case and the transmission shaft of the straight transmission mechanism are respectively a straight transmission case and a straight transmission shaft; the straight transmission shaft is arranged in the straight transmission box in the left-right direction, a shaft sleeve is sleeved in the middle of the straight transmission shaft, and the two cylindrical gears are respectively arranged on the straight transmission shaft on the two sides of the shaft sleeve; the two racks are arranged perpendicular to the straight transmission shaft, and the outer ends of the racks vertically protrude out of the front surface of the straight transmission case; the transmission case of corner drive mechanism is the corner drive case that is symmetrical dog-ear on the horizontal direction, corner drive mechanism's transmission shaft includes: the two gear shafts are respectively arranged in the corner transmission box in parallel to the two corner edges of the corner transmission box, the outer ends of the two gear shafts respectively extend out of the corner transmission box, the inner ends of the two gear shafts are respectively connected with a conical gear, and the two conical gears are meshed with each other to enable the included angle of the two gear shafts to be 90 degrees; the two cylindrical gears are respectively arranged on one gear shaft, and the two racks are respectively arranged corresponding to and vertical to one gear shaft; two ends of the main transmission shaft are respectively connected with the transmission shaft of at least one straight transmission mechanism or one corner transmission mechanism in series through a transmission rod. The design of the multi-type transmission mechanism with synchronous telescopic function ensures that the telescopic mechanism and the sealing body can be smoothly arranged on the four peripheral surfaces of the cabinet body, ensures the telescopic reliability and synchronism of the sealing body and provides possibility for synchronous sealing of multiple surfaces of the cabinet body.

Further, the angle drive mechanism includes: the pushing transmission mechanism and the turning pushing transmission mechanism are arranged in the same direction; the outer ends of the two racks of the equidirectional push-out transmission mechanism vertically protrude out of the lower surface of the corner transmission box, so that the two racks can extend in the same direction in parallel; two racks of the turning push-out transmission mechanism are arranged in parallel to the lower surface of the corner transmission box, so that the two racks are synchronously stretched and contracted at an included angle. The requirement of the change of the pushing-out direction of the sealing body under the condition of different rotating angles is met, and the sealing body can still be synchronously and effectively sealed when rotating angles in various directions are ensured.

Furthermore, two corner sealing devices are respectively arranged at two ends of one sealing fixing frame, wherein one end of each sealing fixing frame is vertically contacted with the other end of the sealing fixing frame, and the pushing direction of the sealing fixing frame is the same. The sealing body is sealed in the hollow area which is possibly arranged at the corner after being moved, and the sound insulation effect is ensured.

The corner sealing device comprises an inverted L-shaped corner sealing fixing frame and a corner sealing strip arranged on the outer surface of the corner sealing fixing frame, wherein the front part of the transverse edge of the corner sealing fixing frame is fixed on the side surface of one end of the sealing fixing frame, so that the upper edge of the transverse edge of the corner sealing fixing frame is flush with the upper edge of the sealing fixing frame, and the vertical edge of the corner sealing fixing frame faces downwards; the corner sealing fixing frame is connected with the sealing fixing frame, and the corner sealing strips are contacted with the adjacent side faces of the sealing strips. Through the cooperation of corner sealing strip and sealing strip, specifically realize the sealed to cabinet body edge.

Furthermore, a corner sealing device is arranged at the adjacent end of the two sealing fixing frames, and the continuously enlarged gap between the adjacent ends of the two sealing fixing frames when the two sealing fixing frames move outwards respectively is blocked by the corner sealing device. The continuously enlarged gap between the adjacent ends of the two sealing fixing frames when the two sealing fixing frames move outwards respectively is blocked by the corner sealing device, so that the sealing effect at the corner of the cabinet body is ensured.

Further, the corner sealing device includes: the corner sealing device comprises a fixing plate, a corner sealing fixing frame and a corner sealing strip; the corner sealing fixing frame is a 90-degree folding angle, the fixing plate is arranged on the inner side of the folding angle of the corner sealing fixing frame, a through corner waist-shaped hole is formed in an angular bisector of the corner sealing fixing frame, and through edge waist-shaped holes are formed in two folding edges of the corner sealing fixing frame along the side length direction of the two folding edges; an annular convex edge is arranged on the inner side of the corner waist-shaped hole close to the bottom surface, an annular convex edge is arranged on the inner side of the side waist-shaped hole close to the front end surface, a guide screw penetrates through the annular convex edge of the corner waist-shaped hole to connect the corner seal fixing frame to the fixing plate, and the two guide screws respectively penetrate through the annular convex edges of the two side waist-shaped holes and then are respectively connected with one seal fixing frame, so that the corner seal fixing frame is in sliding connection with the fixing plate along an angular bisector of the corner seal fixing frame; one side surface of the front part of each of the two folding edges of the corner seal fixing frame is respectively connected with the side surface of one seal fixing frame in a sliding manner, the corner sealing strip is arranged on the outer folding angle surface of the corner seal fixing frame, and one side surface of the corner sealing strip is in contact with the side surface of the sealing strip on the seal fixing frame; when the two sealing fixing frames are relatively displaced to the maximum distance, the two ends of the corner sealing strip and one sealing strip still have overlapped parts. The corner sealing device which moves at an oblique angle of 45 degrees along the two sealing fixing frames synchronously follows up when the two sealing fixing frames simultaneously expand outwards, and continuously expanded gaps at the adjacent ends of the two sealing fixing frames when the two sealing fixing frames move outwards are plugged in real time, so that the sound insulation effect is further improved, and the omnibearing tightness is ensured.

In conclusion, the peripheral sealing structure of the cabinet body provided by the invention can effectively and comprehensively block the gap between the cabinet body and the surrounding room body, a sound insulation private space is formed between the cabinet body and the room body, and the sensory experience in living is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural diagram of the telescoping mechanism of the present embodiment;

FIG. 3 is a schematic view of a connection structure of the sealing body and the telescopic mechanism in the embodiment;

FIG. 4 is a schematic cross-sectional view of the sealing body and the telescoping mechanism in this embodiment;

FIG. 5 is a schematic view of a half-section structure of the main transmission mechanism of the present embodiment;

FIG. 6 is a schematic view of a half-section structure of the linear transmission mechanism of the present embodiment;

FIG. 7 is a schematic view of a half-section of the same-direction ejecting transmission mechanism according to the present embodiment;

FIG. 8 is a schematic view of a half-section of the direction-changing push-out transmission mechanism according to the present embodiment;

FIG. 9 is a schematic view of an assembled structure of the corner sealing device of the present embodiment;

FIG. 10 is an exploded view of the corner sealing device of the present embodiment;

fig. 11 is a schematic view of an assembly structure of the corner sealing device of the present embodiment;

fig. 12 is an exploded view of the corner sealing device of the present embodiment;

fig. 13 is a schematic structural view illustrating a retracted state of the corner sealing device according to the present embodiment;

fig. 14 is a schematic structural view of the extended state of the corner sealing device according to the present embodiment.

Reference numerals: 1-sealing body; 11-sealing the fixing frame; 111-transverse T-slot; 112-longitudinal T-shaped groove; 12-a sealing strip; 121-lower linker; 13-inner sealing strip; 131-a flanking linker; 2-a telescoping mechanism; 21-a transmission mechanism; 211-a transmission case; 2111-mounting an ear plate; 212-a drive shaft; 2121-connecting hole; 213-main bearing; 2131-set screws; 214-cylindrical gear; 215-rack; 2151-threaded hole; 2152-spacing groove; 2153-limit screw; 216-flat bond; 22-a transmission rod; 201-main transmission mechanism; 2011-main gear box; 2012-main drive shaft; 2013-worm gear; 2014-worm; 2015-worm bearings; 2016-drive interface; 202-a straight transmission mechanism; 2021-straight drive case; 2022-straight drive shaft; 2023-shaft sleeve; 203-corner transmission mechanism; 203A-a equidirectional push-out transmission mechanism; 203B-a direction-changing push-out transmission mechanism; 2031-a corner gear box; 2032-gear shaft; 2033-bevel gear; 2034-hexagon socket head cap screw; 3-a top block; 31-a top block bolt; 4-corner sealing means; 41-corner sealing fixing frame; 42-corner sealing strips; 5-corner sealing means; 51-a fixed plate; 52-corner sealing fixing frame; 521-corner waist-shaped holes; 522-side waist-shaped hole; 523-guide screw; 53-corner sealing strips; 531-sealing projection

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the patent is not limited thereby. It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

As shown in fig. 1 to 14, the embodiment discloses a sealing structure for a peripheral surface of a cabinet, which includes a sealing body 1 and a telescopic mechanism 2, wherein the telescopic mechanism 2 is divided into a plurality of sections which are mutually connected in a driving way and fixed on the peripheral surface of the cabinet in a surrounding way, the sealing body 1 which is also arranged in a plurality of sections relative to a plurality of surfaces of the cabinet is detachably arranged on the outer side of the telescopic mechanism 2, so that the sealing body 1 surrounds the peripheral surface of the cabinet and is stretched along with the telescopic mechanism 2: the push-out is used for sealing the gap between the cabinet body and the house body, or the push-in is used for releasing the sealing between the cabinet body and the house body.

As shown in fig. 1 to 3, the sealing body 1 includes a sealing holder 11 and a sealing strip 12 disposed outside the sealing holder; the telescopic mechanism 2 includes: a transmission rod 22 and a plurality of transmission mechanisms 21 driven in series by the transmission rod 22, wherein the transmission mechanisms 21 comprise: the transmission case 211 and the transmission shafts 212 which are rotatably arranged on two side walls of the transmission case 211 through one main bearing 213 at two ends respectively, a set screw 2031 is arranged on the transmission case 211 outside the outer ring of each main bearing 213, and the inner end of the set screw 2031 vertically abuts against the outer surface of the outer ring of the corresponding main bearing 213, so that the outer ring of the main bearing 213 is kept fixed, and the transmission effect of the bearing is ensured; the outer side of the transmission box 211 is provided with mounting ear plates 2111 with different positions corresponding to different use angles and environments, so that the transmission mechanisms 21 can be conveniently fixed in different use environments; two identical cylindrical gears 214 are uniformly arranged on a transmission shaft 212 in the transmission box 211, two racks 215 with the same type are respectively arranged in sliding holes formed in the transmission box 211 in a sliding manner, and the racks 215 are in clearance fit with the sliding holes, so that the racks 215 are limited to move in a reciprocating manner only along the sliding holes on the premise that the racks 215 are movable; the inner ends of the two racks 215 are respectively meshed with a cylindrical gear 214, and the outer ends of the racks 215 can extend out of the transmission case 211; a gear surface of the rack 215 or a surface deviating from the gear surface is concavely provided with a limit groove 2152 arranged along the length direction of the rack 215, a limit screw 2153 is arranged on the transmission case body, the inner end of the limit screw 2153 is perpendicular to the rack 215 and is inserted into the limit groove 2152, and the rack 215 is limited to do reciprocating telescopic motion only in the range limited by the limit groove 2152; both ends of the transmission shaft 212 are provided with connecting holes 2121 which are vertically communicated, and the section of the end of the transmission shaft 212 is designed to be waist-shaped; the two ends of the driving rod 22 are provided with waist-shaped shaft holes matched with the waist-shaped section of the end part of the driving shaft 212, a radial hole is arranged at the position, corresponding to the connecting hole 2121, of the driving rod 22 outside the waist-shaped shaft holes, after the end parts of the driving shaft 212 and the driving rod 22 are matched with each other through the waist-shaped holes and the shafts, a connecting pin simultaneously penetrates through the connecting hole 2121 and the radial hole in the driving rod 22, and the driving connection between the driving shaft 212 and the driving rod 22 is simply realized. Be provided with kicking block 3 on the side adjacent with drive mechanism 21 of sealed mount 11, the lower extreme of kicking block 3 is connected with the upper end of rack 215, realizes that telescopic machanism 2 is connected the drive of seal 1: when the transmission mechanism 21 works, each transmission shaft 212 is driven to rotate, each rack 215 is driven to synchronously extend or retract, and the sealing body 1 is pushed out or retracted.

In order to smoothly arrange the telescopic mechanism 2 and the sealing body 1 on the peripheral surface of the cabinet body, ensure the reliability and the synchronism of the extension and retraction of the sealing body 1 and provide the possibility of synchronous sealing of multiple surfaces of the cabinet body, the transmission mechanism 21 is divided into a main transmission mechanism 201 connected with external drive, and a plurality of straight transmission mechanisms 202 and corner transmission mechanisms 203 connected in series with the main transmission mechanism 201 through a transmission rod 22.

Referring to fig. 5, the main transmission mechanism 201 performs linear transmission on both sides and pushing action in a direction perpendicular to the transmission shaft 212 while being connected to external drive. Specifically, the transmission case 211 of the main transmission mechanism 201 is a main transmission case 2011, and the transmission shaft 212 of the main transmission mechanism 201 is a transmission shaft 2012. The main transmission shaft 2012 is horizontally arranged on the main transmission box 2011 in the left-right direction, a worm wheel 2013 is arranged in the middle of the main transmission shaft 2012, the two cylindrical gears 214 are respectively arranged on the transmission shafts 2012 at the two sides of the worm wheel 2013, the two racks 215 are parallel to the lower surface of the main transmission box 101A and are arranged at the lower part of the main transmission box 2011 perpendicular to the transmission shafts 2012, and the outer ends of the racks 215 protrude out of the front surface of the main transmission box 2011. The limiting groove 2152 is concavely arranged on the toothed surface of the rack 215 in the main transmission mechanism 201, the limiting screw 2153 is a cross-grooved small pan head screw, and the limiting screw 2153 is screwed and fixed on the inward extending convex edge of the inner wall of the main transmission box 2011 above the rack 215, so that the inner end of the limiting screw 2153 is perpendicular to the rack 215 and is inserted into the limiting groove 2152. A worm 2014 is arranged vertical to the transmission shaft 2012, the worm 2014 and the worm wheel 2013 are mutually meshed, two ends of the worm 2014 are respectively and rotatably connected to the front wall and the rear wall of the main transmission case cover 101B through a worm bearing 2015, the worm bearing 2015 is accommodated in a bearing seat preset on the main transmission case cover 101B, and a set screw 2131 with the inner end vertically abutting against the outer surface of the worm bearing 2015 is also arranged on the peripheral surface of the bearing seat, so that the outer ring of the worm bearing 2015 is kept fixed; the outer end of the worm 2014 protrudes out of the rear surface of the main transmission box 2011, and an outer hexagonal driving interface 2016 is arranged at the outer end of the worm 2014, so that an external electric driving device or a hand crank can be connected and driven conveniently. When the worm 2014 is driven to rotate by the external driver, the main transmission shaft 2012 is driven to rotate to output rotating power to the two ends of the main transmission shaft 2012, and the rack 215 on the main transmission mechanism 201 is driven to stretch and retract at the same time, so that the functions of pushing, driving and transmission are realized.

Referring to fig. 6, the straight connection, transmission and single-angle pushing on the same straight line in multi-stage transmission are realized by a straight transmission mechanism 202. Specifically, the transmission case 211 of the straight transmission mechanism 202 is a straight transmission case 2021, the transmission shaft 212 of the straight transmission mechanism 202 is a straight transmission shaft 2022, the straight transmission shaft 2022 is arranged in the straight transmission case 2021 in the left-right direction, a shaft sleeve 2023 is sleeved at the middle part of the straight transmission shaft 2022, and the two cylindrical gears 214 are respectively arranged on the straight transmission shafts 2022 at the two sides of the shaft sleeve 2023; the two racks 215 are arranged perpendicular to the straight transmission shaft 2022, and the outer ends of the racks 215 are vertically protruded out of the front surface of the straight transmission case 2021; the limit groove 2152 of the rack 215 in the straight transmission mechanism 202 is also arranged on the toothed surface of the rack, the limit screw 2153 is also a cross-grooved small pan head screw, and the limit screw 2153 is screwed and fixed on the inwardly extending convex edge of the inner wall of the straight transmission case 2021 above the rack 215, so that the inner end of the limit screw 2153 is perpendicular to the rack 215 and inserted into the limit groove 2152 to limit the rack 215. The straight transmission case 2021 is connected with a rotary driving force and transmits power to the next section of transmission mechanism, and simultaneously drives the rack 215 to stretch and contract to complete single-angle pushing on the same transmission axis.

As shown in fig. 7 and 8, the direction-changing connection and transmission in the multi-stage transmission, and the direction and angle of pushing are changed by the rotation angle transmission mechanism 203. The transmission case 211 of the angle transmission mechanism 203 is an angle transmission case 2031 which is symmetrically folded in the horizontal direction, and the transmission shaft 212 of the angle transmission mechanism 203 is composed of two identical gear shafts 2032. The two gear shafts 2032 are respectively arranged in the corner transmission case 2031 in parallel with two corner edges of the corner transmission case 2031, the outer ends of the two gear shafts 2032 are respectively connected to two side walls of the corner transmission case 2031 through a main bearing 213 and extend out of the corner transmission case 2031, the inner ends of the two gear shafts 2032 are respectively connected with a conical gear 2033, the gear shafts 2032 are provided with flat keys 216 to radially fix the conical gear 2033, and an inner hexagonal round head screw 2034 is screwed on the inner end surface of the gear shaft 2032 to axially position the conical gear 2033. The two bevel gears 2033 are engaged with each other, and the angle (shaft intersection angle) between the two gear shafts 2032 is 90 °, thereby realizing corner connection and transmission. The two cylindrical gears 214 are respectively disposed on one gear shaft 2032, the two racks 215 are respectively disposed corresponding to one vertical gear shaft 2032, and due to the difference of the protruding surfaces of the racks 215 selected on the corner transmission box 2031, the pushing directions and angles of the racks 215 are also different, and the corner transmission mechanism 203 is divided into: the equidirectional ejecting transmission mechanism 203A and the direction-changing ejecting transmission mechanism 203B.

As shown in fig. 6, the outer ends of the two racks 215 of the same-direction push-out transmission 203A protrude perpendicularly from the lower surface of the corner transmission case 2031; the limiting groove 2152 of the rack 215 in the same-direction pushing-out transmission mechanism 203A is arranged on the lower surface without teeth, a slotted flat-end fastening screw is selected as the limiting screw 2153, and the limiting screw 2153 is screwed and fixed on the side wall of the corner transmission box 2031; the parallel co-directional extension or retraction of the two racks 215 changes the direction of coupling and transmission, but not the direction of pushing. As shown in fig. 8, the two racks 215 of the direction-changing push-out transmission mechanism 203B are arranged parallel to the lower surface of the corner transmission case 2031; the limiting groove 2152 of the rack 215 in the turning push-out transmission mechanism 203B is arranged on the toothed surface of the rack, the limiting screw 2153 is a cross-groove small pan head screw, and the limiting screw 2153 is screwed and fixed on a convex edge extending inwards on the inner wall of the corner transmission box 2031 above the rack 215; the two racks 215 extend or retract synchronously at an angle of 90 degrees, changing the direction of connection and transmission and simultaneously changing the direction of pushing.

The radial fixation between each gear such as the cylindrical gear 214, the worm wheel 2013, the conical gear 2033 and the corresponding transmission shaft 212 is realized by arranging the flat key 216 on the transmission shaft 212, and the flat key 216 in the embodiment is a common a-type flat key, so that the method is simple and applicable. In this embodiment, the main bearing 213 and the worm bearing 2015 are both deep groove ball bearings, which mainly bear radial force; the inner end of the outer ring of the deep groove ball bearing is abutted against a bearing seat on the side wall of the transmission case 211, the outer ring of the deep groove ball bearing is fixed through a locking screw 2131 which is provided with a groove at the flat end of the outer end and a conical head at the inner end on the bearing seat, and an elastic check ring for an A-shaped shaft is arranged on the transmission shaft 212 outside the main bearing 213, so that the axial fixation of the main bearing 213 is ensured.

Referring to fig. 3 and 4, the cross section of the sealing fixing frame 11 in the sealing body 1 is an inverted L-shaped aluminum section, an inner abdominal cavity of the inverted L-shaped sealing fixing frame 11 encloses one side part and the top part of the mounting part protruding from the outer peripheral surface of the cabinet body, and the transmission mechanism 21 is arranged on the other side of the mounting part and is a structure that the transmission mechanism 21 and the sealing fixing frame 11 form a surrounding three sides to the mounting part of the cabinet body; the top block 3 as a connecting piece is arranged on the side surface of the sealing fixing frame 11 above the rack 215 in the transmission mechanism 21, the upper end surface of the rack 215 is provided with a threaded hole 2151, a through hole which is communicated up and down is arranged on the position, opposite to the threaded hole 2151, of the top block 3, a top block bolt 31 penetrates through the through hole and is screwed into the threaded hole 2151, and the top block 3 is fixed on the upper end surface of the rack 215; the transmission mechanism 21 is fixed to the mounting portion by screws, thereby achieving fixation between the telescopic mechanism 2 and the cabinet body and enabling the sealing body 1 to move up and down.

The top of the sealing fixing frame 11 is provided with a transverse T-shaped groove 111 along the length direction thereof, and the sealing strip 12 is clamped on the transverse T-shaped groove 111 through a T-shaped lower connecting body 121 arranged at the lower part thereof, so that the sealing strip 12 is connected with the sealing fixing frame 11. The inner side surface of the sealing fixed frame 11 opposite to the installation part is provided with a longitudinal T-shaped groove 112 extending along the length direction, an inner sealing strip 13 is clamped on the longitudinal T-shaped groove 112 through a T-shaped side connecting body 131 arranged on one side of the inner sealing strip, the inner sealing strip 13 is sealed between the sealing fixed frame 11 and the installation part to form a sealing strip, a sliding seal is formed between the sealing fixed frame 11 and the movable matching surface of the cabinet body, and the sealing and sound insulation effects are further improved.

In order to ensure that each corner of the cabinet body has dead corners which cannot be sealed, a corner sealing device 4 and a corner sealing device 5 for sealing each corner are additionally arranged on the basis of the sealing body 1 with the main sealing function.

Referring to fig. 9 and 10, the two racks 215 of the equidirectional pushing-out transmission mechanism 203A are respectively connected to one of the sealing holders 11, and one ends of the two sealing holders 11 are in perpendicular contact with each other, when the equidirectional pushing-out transmission mechanism 203A extends and retracts, the relative positions of the two sealing holders 11 are not changed, and when the sealing body 1 moves up, a hollow area may appear below a corner, so that two corner sealing devices 4 are respectively arranged at two ends of one of the sealing holders 11 to seal the hollow area. Specifically, referring to fig. 10, the corner sealing device 4 includes an inverted L-shaped aluminum corner sealing holder 41 and a corner sealing strip 42, also in an inverted L-shape, mounted on an outer surface of the corner sealing holder 41, wherein a front portion of a lateral edge of the corner sealing holder 41 is fixed to a side surface of one end of the sealing holder 11, such that an upper edge of the lateral edge of the corner sealing holder 41 is flush with an upper edge of the sealing holder 11, and a vertical edge of the corner sealing holder 41 faces downward; the corner sealing fixing frame 41 is connected with the sealing fixing frame 11, the corner sealing strip 42 is in contact with the adjacent side surface of the sealing strip 12, the upper edge of the corner sealing strip 42 is flush, and the outer edge of the corner sealing strip 42 on the outer side of the vertical edge of the corner sealing fixing frame 41 can be abutted against a house body or other fixed objects. After the sealing body 1 moves upwards, the vertical edge of the corner sealing strip 42 can randomly make up for a cavity generated by the upwards movement of the sealing body 1, and the sealing of the corner position is completely reliable.

Referring to fig. 11 to 14, the two racks 215 of the turning push-out transmission mechanism 203B are also respectively connected to one of the sealing holders 11, and one ends of the two sealing holders 11 are perpendicular to each other, and a gap that continuously expands appears at the adjacent end of the two sealing holders 11 when the two sealing holders 11 move outward, so that the corner sealing device 5 is disposed at the adjacent end of the two sealing holders 11 to seal the gap in real time, thereby ensuring the sealing effect at the corner of the cabinet. Referring to fig. 12, the corner sealing device 5 includes: a fixed plate 51, a corner seal fixing frame 52 and a corner seal strip 53; the corner sealing fixing frame 52 is an aluminum section with a 90-degree break angle, the fixing plate 51 is arranged on the inner side of the break angle of the corner sealing fixing frame 51, a through corner waist-shaped hole 521 extending along the angular bisector direction of the corner sealing fixing frame 51 is arranged in the middle of the corner sealing fixing frame 51, through edge waist-shaped holes 522 are respectively arranged on two break edges of the corner sealing fixing frame 52 along the side length direction of the corner sealing fixing frame, an annular convex edge is arranged on the inner side of the corner waist-shaped hole 521 close to the bottom surface, and an annular convex edge is arranged on the inner side of the edge waist-shaped hole 522 close to; a guide screw 523 passes through the annular convex edge of the corner waist-shaped hole 521 to connect the corner seal fixing frame 52 to the fixing plate 51 in a sliding manner along the corner waist-shaped hole 521, and two guide screws 523 respectively pass through the annular convex edges of the two side waist-shaped holes 522 to be connected with one seal fixing frame 11 in a sliding manner respectively to connect the fixing plate 51 to the cabinet body. Referring to fig. 14, when the telescoping mechanism 2 telescopes, the upper seal holder 11 moves upward, the side seal holders move laterally outward, the corner seal holder 51 receives the acting forces in the two directions at the same time, and under the guidance of the 45 ° oblique corner waist-shaped hole 521, the corner seal holder 51 slides obliquely outward along the angular bisector thereof, so as to make up for the gap generated at the corner when the two seal holders 11 move.

One side surface of the front part of the two folding edges of the corner seal fixing frame 51 is respectively connected with the side surface of one seal fixing frame 11 in a sliding manner, a corner sealing strip 53 with a 90-degree folding angle is arranged on the outer folding angle surface of the corner seal fixing frame 52, one side surface of the corner sealing strip 53 is in contact with the side surface of the sealing strip 12 on the seal fixing frame 11, and the outer edges of the two folding edges of the corner sealing strip 53 are respectively flush with the outer edge of one sealing strip 12. Referring to fig. 13 and 14, when the two seal holders 11 are relatively displaced to the maximum distance, the two ends of the corner seal strip 53 are still overlapped with one seal strip 12, so as to ensure the effectiveness of the corner seal. Meanwhile, considering that the cabinet body interferes with other structures at the corner and has irregular concave-convex parts, the outer edge of the corner sealing strip 53 can be provided with some convex parts for specially blocking the irregular sealing contact surface; in this embodiment, a guide rail for guiding the cabinet to hang and slide is disposed above one side of the corner sealing strip 53, and a guide rail groove is disposed on the lower surface of the guide rail in an upward concave manner, so that a sealing protrusion 531 is disposed at a position of the corner sealing strip 53 corresponding to the guide rail groove in an outward convex manner, and when the corner sealing strip 53 moves outward, the sealing protrusion 531 is inserted into the guide rail groove, thereby really achieving sealing without dead angle and fully ensuring the sealing effect.

The sealing strips 12, the inner sealing strips 13, the corner sealing strips 42 and the corner sealing strips 53 are all rubber strips, have strong elasticity, and provide buffering effect for the action of the telescopic mechanism 2 while ensuring the sealing effect.

The telescopic mechanism 2 is in a retraction state at ordinary times, so that the sealing body 1, the corner sealing device 4 and the corner sealing device 5 are tightly attached to the periphery of the cabinet body outer side face of the cabinet type folding bed, a gap between the cabinet body and the room body is reserved, and the cabinet body is convenient to move and arrange; after the cabinet type folding bed is arranged, the telescopic mechanism 2 works, the telescopic mechanism extends out to push the sealing body 1 to expand outwards along the periphery of the cabinet body, the angle sealing device 4 and the corner sealing device 5 move in a synchronous matching mode until the outer end of each sealing body position is forcefully abutted against a room body, a sealing strip is formed between the cabinet body and the room body, a single cabinet body is matched with sealing measures on other open surfaces or a plurality of cabinet bodies, one or a plurality of small-sized sealed spaces with good sound insulation effect and strong privacy are formed, and sensory experience of people living in the single cabinet body is improved.

In conclusion, by adopting the technical scheme, the peripheral sealing structure of the cabinet body provided by the invention can effectively and comprehensively block the gap between the cabinet body and the surrounding room body, a sound insulation private space is formed between the cabinet body and the room body, and the sensory experience in living is improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The sealing structure for the peripheral surface of the cabinet body is characterized by comprising a sealing body and a telescopic mechanism, wherein the telescopic mechanism is fixed on the peripheral surface of the outer part of the cabinet body in multiple sections, and the multiple sections of the sealing body are arranged at the outer side of the telescopic mechanism, so that the sealing body surrounds the peripheral surface of the outer part of the cabinet body and pushes out the sealing body or retracts the sealing body to remove the sealing body along with the expansion and contraction of the telescopic mechanism;

the sealing body comprises a sealing fixed frame and a sealing strip arranged on the outer side of the sealing fixed frame;

the telescopic mechanism comprises: the transfer line and pass through a plurality of drive mechanism of transfer line series drive, drive mechanism includes: the transmission case and a transmission shaft arranged in the transmission case, wherein the transmission shaft is provided with a cylindrical gear, a rack is slidably arranged in a sliding hole formed in the transmission case, the rack is meshed with the cylindrical gear, and the outer end of the rack can extend out of the transmission case; when the transmission mechanism works, each transmission shaft is driven to rotate, and each rack is driven to synchronously extend or retract; the sealing fixed frame is connected with the extending end of the rack corresponding to the transmission mechanism;

the transmission mechanism comprises a main transmission mechanism, a straight transmission mechanism and an angle transmission mechanism;

the transmission case and the transmission shaft of the main transmission mechanism are respectively a main transmission case and a main transmission shaft, the main transmission shaft is arranged in the main transmission case in the left-right direction, a worm gear is arranged in the middle of the main transmission shaft, and the two cylindrical gears are respectively arranged on two sides of the worm gear; a worm is arranged perpendicular to the main transmission shaft, one end of the worm protrudes out of the rear surface of the main transmission box, and a driving interface is arranged at the protruding end of the worm so as to be connected with external driving; the two racks are arranged in parallel to the worm, and the outer ends of the racks protrude out of the front surface of the main transmission case;

the transmission case and the transmission shaft of the straight transmission mechanism are respectively a straight transmission case and a straight transmission shaft; the straight transmission shaft is arranged in the straight transmission box in the left-right direction, a shaft sleeve is sleeved in the middle of the straight transmission shaft, and the two cylindrical gears are respectively arranged on the straight transmission shaft on the two sides of the shaft sleeve; the two racks are arranged perpendicular to the straight transmission shaft, and the outer ends of the racks vertically protrude out of the front surface of the straight transmission case;

the transmission case of corner drive mechanism is the corner drive case that is symmetrical dog-ear on the horizontal direction, corner drive mechanism's transmission shaft includes: the two gear shafts are respectively arranged in the corner transmission box in parallel to the two corner edges of the corner transmission box, the outer ends of the two gear shafts respectively extend out of the corner transmission box, the inner ends of the two gear shafts are respectively connected with a conical gear, and the two conical gears are meshed with each other to enable the included angle of the two gear shafts to be 90 degrees; the two cylindrical gears are respectively arranged on one gear shaft, and the two racks are respectively arranged corresponding to and vertical to one gear shaft;

two ends of the main transmission shaft are respectively connected with the transmission shaft of at least one straight transmission mechanism or one corner transmission mechanism in series through a transmission rod;

the corner transmission mechanism comprises: the pushing transmission mechanism and the turning pushing transmission mechanism are arranged in the same direction;

the outer ends of the two racks of the equidirectional push-out transmission mechanism vertically protrude out of the lower surface of the corner transmission box, so that the two racks can extend in the same direction in parallel; the two racks of the turning push-out transmission mechanism are arranged in parallel to the lower surface of the corner transmission box, so that the two racks can synchronously extend and retract at an included angle;

two corner sealing devices are respectively arranged at two ends of one sealing fixing frame;

the corner sealing device is arranged between the two seal fixing frames with one ends vertically contacted with each other and the pushing direction vertical to each other, and the corner sealing device is used for plugging a continuously expanded gap which appears at the adjacent ends of the two seal fixing frames when the two seal fixing frames move outwards respectively;

the corner sealing device comprises an inverted L-shaped corner sealing fixing frame and a corner sealing strip arranged on the outer surface of the corner sealing fixing frame, wherein the front part of the transverse edge of the corner sealing fixing frame is fixed on the side surface of one end of the sealing fixing frame, so that the upper edge of the transverse edge of the corner sealing fixing frame is flush with the upper edge of the sealing fixing frame, and the vertical edge of the corner sealing fixing frame faces downwards; the corner sealing fixing frame is connected with the sealing fixing frame, and the corner sealing strip is contacted with the adjacent side surface of the sealing strip;

the corner sealing device includes: the corner sealing device comprises a fixing plate, a corner sealing fixing frame and a corner sealing strip;

the corner sealing fixing frame is a 90-degree folding angle, the fixing plate is arranged on the inner side of the folding angle of the corner sealing fixing frame, a through corner waist-shaped hole is formed in an angular bisector of the corner sealing fixing frame, and through edge waist-shaped holes are formed in two folding edges of the corner sealing fixing frame along the side length direction of the two folding edges; an annular convex edge is arranged on the inner side of the corner waist-shaped hole close to the bottom surface, an annular convex edge is arranged on the inner side of the side waist-shaped hole close to the front end surface, a guide screw penetrates through the annular convex edge of the corner waist-shaped hole to connect the corner seal fixing frame to the fixing plate, and the two guide screws respectively penetrate through the annular convex edges of the two side waist-shaped holes and then are respectively connected with one seal fixing frame, so that the corner seal fixing frame is in sliding connection with the fixing plate along an angular bisector of the corner seal fixing frame; one side surface of the front part of each of the two folding edges of the corner seal fixing frame is respectively connected with the side surface of one seal fixing frame in a sliding manner, the corner sealing strip is arranged on the outer folding angle surface of the corner seal fixing frame, and one side surface of the corner sealing strip is in contact with the side surface of the sealing strip on the seal fixing frame; when the two sealing fixing frames are relatively displaced to the maximum distance, the two ends of the corner sealing strip still have the overlapped part with one sealing strip respectively.

2. The cabinet peripheral surface sealing structure according to claim 1,

the side face of the sealing fixing frame adjacent to the transmission mechanism is provided with an ejector block, and the lower end of the ejector block is connected with the upper end of the rack.

3. The cabinet peripheral surface sealing structure according to claim 2,

the section of the sealing fixing frame is an inverted L-shaped aluminum section, an inner abdominal cavity of the inverted L-shaped sealing fixing frame wraps one side part and the top of a protruding installation part on the outer peripheral surface of the cabinet body, the transmission mechanism is arranged on the other side of the installation part, the ejector block is arranged on the side surface of the sealing fixing frame above the rack in the transmission mechanism, a threaded hole is formed in the upper end surface of the rack, and the ejector block is fixed to the upper end surface of the rack through an ejector block bolt; the transmission mechanism is fixed on the mounting part through a screw;

the top of the sealing fixing frame is provided with a transverse T-shaped groove along the length direction, and the sealing strip is clamped on the transverse T-shaped groove through a T-shaped lower connecting body arranged at the lower part of the sealing strip.

4. The cabinet peripheral surface sealing structure according to claim 3,

the sealing fixing frame and the inner side face opposite to the installation portion are provided with a longitudinal T-shaped groove extending along the length direction of the sealing fixing frame, and an inner sealing strip is clamped on the longitudinal T-shaped groove through a T-shaped side connecting body arranged on one side of the inner sealing strip, so that the inner sealing strip is blocked between the sealing fixing frame and the installation portion to form a sealing strip.