CN218493418U - Threshold sealing structure for door leaf - Google Patents

Abstract

The utility model provides a threshold seal structure for door leaf belongs to building decoration technical field. The utility model discloses a U type frid, rectangular pipe, round bar and actuating mechanism, the second recess has been seted up to the downside of interior door plant, U type frid sets firmly in the second recess, the rectangular pipe sets up in U type frid, U type frid internal level is equipped with a plurality of second limiting plate, be connected with the first reset spring of a plurality of between second limiting plate and the rectangular pipe, the downside of rectangular pipe is provided with the rubber tube along the length direction activity, the round bar level sets up in U type frid, actuating mechanism can promote the rectangular pipe and remove downwards. The utility model discloses can save the fixed seal strip of installing on the threshold, avoid rubbish to remain, elegant appearance guarantees the leakproofness of threshold simultaneously.

Description

Threshold sealing structure for door leaf

Technical Field

The utility model belongs to the technical field of the burglary-resisting door, a threshold seal structure for door leaf is related to.

Background

At present, entrance doors are provided with doorsills which are mainly used for sealing (having the functions of wind prevention, light blocking, insect prevention and the like). In order to achieve the above effects, the existing doorsill has at least two to three high and low steps, and the height fall of the adjacent steps is over 2cm, so that a clamping groove type sealing strip needs to be installed at the fall.

In the daily use process, the clamping groove type fixed sealing strip has a plurality of unchanged sealing strips, height drop exists, garbage is easy to remain at the joint, the cleaning is not good, and the attractiveness is influenced; in addition, the sealing effect of the sealing strip is general.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a threshold seal structure for door leaf, can save the fixed seal strip of installing on the threshold, avoid rubbish to remain, elegant appearance guarantees the leakproofness of threshold simultaneously.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a threshold seal structure for door leaf, be equipped with the door frame on the threshold, one side of door leaf articulates in the door frame, the door leaf includes outer door plant and interior door plant, threshold seal structure includes: the lower side surface of the inner door plate is provided with a second groove, and the U-shaped groove plate is fixedly arranged in the second groove;

the rectangular pipe is movably arranged in the U-shaped groove plate along the length direction, a plurality of second limiting plates are horizontally arranged in the U-shaped groove plate, a plurality of first reset springs are connected between the second limiting plates and the rectangular pipe, and a rubber pipe is movably arranged on the lower side surface of the rectangular pipe along the length direction;

the round rod is horizontally arranged in the U-shaped groove plate, and one end of the round rod extends out of the outer end of the U-shaped groove plate;

and the driving mechanism is arranged in the U-shaped groove plate, and when the round rod moves in the U-shaped groove plate, the driving mechanism can push the rectangular pipe to move downwards.

In the above doorsill sealing structure for a door leaf, the driving mechanism includes:

a plurality of drive structure, a plurality of the drive structure sets up on U type groove along length direction, the drive structure has: the first rotating shaft is rotatably arranged in the U-shaped groove along the width direction, and a cam is fixedly arranged on the first rotating shaft; the lower end of the movable rod is movably arranged on the upper side surface of the rectangular pipe, an upper top plate is fixedly arranged at the upper end of the movable rod, and the wheel surface of the cam is always in contact with the upper top plate;

the transmission structure is arranged in the U-shaped groove and can drive the first rotating shafts of the plurality of to rotate in the same direction.

In the above threshold sealing structure for a door leaf, the transmission structure includes:

the first sliding rod and the second sliding rod are respectively arranged at two ends of the U-shaped groove in a sliding mode, and the round rod is movably arranged at the outer end of the first sliding rod;

the connecting rod is connected between the first sliding rod and the second sliding rod, and the rack is fixedly arranged on the lower side surface of the connecting rod;

the gear is coaxially and fixedly arranged on the corresponding first rotating shafts, and the rack is meshed and connected with the gears.

In the doorsill sealing structure for the door leaf, the outer end of the first sliding rod is provided with the blind hole, and one end of the round rod is connected in the blind hole through threads.

In the foretell threshold seal structure for door leaf, the last side and the downside of rectangular pipe have been seted up respectively and have been perforated and a plurality of under perforation on a plurality of, a plurality of perforation one-to-one on movable rod and the plurality of, the lower extreme of movable rod passes corresponding last perforation and extends to in the rectangular pipe and the tip has set firmly the lower plate, the vertical a plurality of bracing piece that is equipped with on the rubber pipe, a plurality of perforation one-to-one under bracing piece and the plurality of, the upper end of bracing piece is passed corresponding down the perforation and is extended to in the rectangular pipe and the tip has set firmly the fly leaf, be connected with second reset spring between fly leaf and the corresponding lower plate, be located the rectangular pipe of rubber pipe both sides and be equipped with the curb plate on the rectangular pipe respectively.

In the above doorsill seal structure for a door leaf, the rectangular pipe is internally provided with the third limiting plate, the third limiting plate is located between the lower bottom plate and the movable plate, and when the lower bottom plate moves downwards, at least one position is provided, and the lower bottom plate is in contact with the third limiting plate.

Compared with the prior art, the utility model has the advantages of it is following:

1. when the door leaf is in an open state, the round rod is not in contact with the side edge of the door frame, the rubber pipe on the rectangular pipe is positioned in the U-shaped groove, the rubber pipe is far away from the lower door frame, the rotation of the door leaf is facilitated, and meanwhile, the lower door frame is relatively flat, is not easy to accumulate garbage, and is attractive and tidy; after the door leaf is closed, the outer end of the round rod contacts the side edge of the door frame, is transversely squeezed to move towards the U-shaped groove plate, the rectangular pipe and the rubber pipe are pushed to move downwards through the driving mechanism, and the rubber pipe is enabled to contact and squeeze the lower door frame, so that a sealing effect is achieved;

2. when the round rod is extruded by the side edge of the door frame and moves towards the inside of the U-shaped groove plate, the transmission structure drives the first rotating shafts to rotate in the same direction at the same time, so that the convex surfaces of the cams rotate to be in contact with the upper top plate, the rectangular pipes and the rubber pipes are pushed to move downwards, and the rubber pipes are in contact with and extrude the lower door frame;

3. the round rod pushes the first sliding rod, the connecting rod and the second sliding rod to move to the hinged position of the door leaf at the same time, and the rack drives the plurality of gears to rotate in the same direction at the same time, so that the plurality of first rotating shafts rotate in the same direction at the same time, and the door leaf is simple in structure, time-saving and labor-saving;

4. when the distance between the side edge of the door frame and the side edge of the inner door panel is larger, the round rod can be rotated outwards, so that the outer end of the round rod extends out of the U-shaped groove plate for a longer time;

5. when the rubber tube is downwards contacted with a lower door frame, the second reset spring plays a role in buffering to avoid excessive deformation of the rubber tube, the first reset spring is stretched, and after the downward thrust of the movable rod is lost, the rectangular tube and the rubber tube are driven to upwards move to return to the initial position under the action of the first reset spring; in addition, the two side plates play a role in guiding, so that the rubber tube is prevented from moving to the side edge, and the sealing effect is improved;

6. when the lower bottom plate moves downwards, the movable plate and the rubber tube are pushed to move downwards through the second return spring, the rubber tube extends out of the lower door frame in contact between the two side plates, and after the lower bottom plate contacts the third limiting plate, the lower bottom plate continues to drive the rectangular tube to move downwards integrally, so that the rubber tube extrudes the lower door frame, the rubber tube is extruded, and a better sealing effect is achieved.

Drawings

FIG. 1 is a schematic view of the installation of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 3;

in the figure: 1. a threshold; 11. a first groove; 12. a door frame; 2. a door leaf; 21. an outer door panel; 22. an inner door panel; 23. a second groove; 3. a U-shaped groove plate; 31. beveling; 32. a first limit plate; 33. a second limiting plate; 331. a first return spring; 34. a first rotating shaft; 341. a gear; 342. a cam; 4. a rectangular tube; 41. perforating; 42. lower punching; 43. a third limiting plate; 44. a side plate; 5. a movable rod; 51. an upper top plate; 52. a lower base plate; 53. a second return spring; 6. a movable plate; 7. a rubber tube; 71. a rubber plate; 72. a support bar; 8. a first slide bar; 81. a connecting rod; 82. a rack; 83. blind holes; 84. a round bar; 9. a second slide bar.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, in a threshold sealing structure for a door leaf, a door frame 12 is arranged on a threshold 1, one side of the door leaf 2 is hinged in the door frame 12, and the door leaf 2 comprises an outer door panel 21 and an inner door panel 22.

Preferably, the lower edge of the outer door panel 21 extends out of the lower edge of the inner door panel 22, and the edge of the outer door panel is provided with a rubber strip 211, the outer side of the doorsill 1 is provided with a first groove 11, and when the door leaf 2 is closed in the door frame 12, the rubber strip 211 contacts and extrudes the first groove 11 to play a first sealing role.

The threshold sealing structure comprises a U-shaped groove plate 3, a rectangular pipe 4, a round rod 84 and a driving mechanism.

Second recess 223 has been seted up to the downside of interior door plant 22, U type frid 3 sets firmly in second recess 223, U type frid 3 downside limit is equipped with scarf 31.

Rectangular tube 4 sets up in U type frid 3 along the length direction activity, the level is equipped with a plurality of second limiting plate 33 in the U type frid 3, be connected with the first reset spring 331 of a plurality of between second limiting plate 33 and the rectangular tube 4, the downside of rectangular tube 4 is provided with rubber tube 7 along the length direction activity, preferably, the downside of rubber tube 7 is equipped with a plurality of rubber slab 71, and initial state is under the effect of the first reset spring 331 of a plurality of, rubber tube 7 and a plurality of rubber slab 71 all are located U type frid 3.

The round rod 84 is horizontally arranged in the U-shaped slotted plate 3, and one end of the round rod 84 extends out of the outer end of the U-shaped slotted plate 3.

The driving mechanism is arranged in the U-shaped groove plate 3, and when the round rod 84 moves in the U-shaped groove plate 3, the driving mechanism can push the rectangular pipe 4 to move downwards.

When the door leaf 2 is in an open state, the round rod 84 is not in contact with the side edge of the door frame 12, the rubber tube 7 on the rectangular tube 4 is positioned in the U-shaped groove plate 3, the rubber tube 7 is far away from the lower door frame, the door leaf 2 can rotate conveniently, meanwhile, the lower door frame is flat, garbage is not easy to accumulate, and the door leaf is attractive and tidy; after the door leaf 2 is closed, the outer end of the round rod 84 contacts the side edge of the door frame 12, is transversely extruded to move towards the inside of the U-shaped groove plate 3, and pushes the rectangular pipe 4 and the rubber pipe 7 to move downwards through the driving mechanism, so that the rubber pipe 7 contacts and extrudes the lower door frame, and the sealing effect is achieved.

Specifically, the driving mechanism comprises a plurality of driving structures and transmission structures.

A plurality of drive structure sets up on U type frid 3 along length direction, drive structure includes first pivot 34 and movable rod 5.

The first rotating shaft 34 is rotatably disposed in the U-shaped trough plate 3 along the width direction, and a cam 342 is fixedly disposed on the first rotating shaft 34.

The lower end of the movable rod 5 is movably arranged on the upper side surface of the rectangular pipe 4, the upper end of the movable rod 5 is fixedly provided with an upper top plate 51, and the wheel surface of the cam 342 is always in contact with the upper top plate 51.

The transmission structure is arranged in the U-shaped groove plate 3 and can drive the first rotating shafts 34 to rotate in the same direction at the same time.

Initial state, rubber tube 7 are located U type frid 3, roof 51 in the flat face contact of cam 342 this moment, when round bar 84 receives the extrusion of door frame 2 side to removing in U type frid 3, drive the first pivot 34 of a plurality of syntropy simultaneously through transmission structure and rotate, make the protruding face of cam 342 rotate roof 51 in the contact, promote rectangular pipe 4 and rubber tube 7 downstream, make the contact of rubber tube 7 and extrude door frame 2 down, easy operation.

In particular, the transmission structure comprises a first slide bar 8, a second slide bar 9, a rack 82 and a number of gears 341.

The first sliding rod 8 and the second sliding rod 9 are respectively arranged at two ends of the U-shaped groove plate 3 in a sliding mode, and the round rod 84 is movably arranged at the outer end of the first sliding rod 8.

Be connected with connecting rod 81 between first slide bar 8 and the second slide bar 9, rack 82 sets firmly on the downside of connecting rod 81.

The plurality of gears 341 and the plurality of first rotating shafts 34 are in one-to-one correspondence, the gears 341 are coaxially and fixedly arranged on the corresponding first rotating shafts 34, and the rack 82 and the plurality of gears 341 are in meshed connection.

The round bar 84 pushes the first sliding bar 8, the connecting bar 81 and the second sliding bar 9 to move to the hinged position of the door leaf 2 at the same time, and the rack 82 drives the plurality of gears 341 to rotate in the same direction at the same time, so that the plurality of first rotating shafts 34 rotate in the same direction at the same time, and the door leaf is simple in structure, time-saving and labor-saving.

Specifically, the outer end of the first sliding rod 8 is provided with a blind hole 83, and one end of the round rod 84 is connected in the blind hole 83 through a thread.

When the distance between the side edge of the door frame 2 and the side edge of the inner door panel 22 is large, the round rod 84 can be rotated outwards, so that the outer end of the round rod 84 extends out of the U-shaped groove plate 3 for a long time.

Particularly, last side and the downside of rectangular tube 4 have been seted up respectively on a plurality of perforation 41 and a plurality of perforation 42 down, a plurality of perforation 41 one-to-one on movable rod 5 and a plurality of, the lower extreme of movable rod 5 passes corresponding last perforation 41 and extends to rectangular tube 4 in and the tip has set firmly bottom plate 52, the vertical a plurality of bracing piece 72, a plurality of on the rubber tube 7 perforation 42 one-to-one under bracing piece 72 and a plurality of, the upper end of bracing piece 72 is passed corresponding perforation 42 down and is extended to rectangular tube 4 in and the tip has set firmly fly leaf 6, be connected with second reset spring 53 between fly leaf 6 and the corresponding bottom plate 52, be located and be equipped with curb plate 44 on the rectangular tube 4 of rubber tube 7 both sides respectively.

In an initial state, the rubber tube 7 is positioned between the two side plates 44, when the cam 342 drives the movable rod 5 to move downwards, the movable plate 6 and the rubber tube 7 are pushed to extend downwards between the two side plates 44 under the action of the second return spring 53, when the rubber tube 7 contacts the lower door frame 2 downwards, the second return spring 53 plays a role in buffering, the rubber tube 7 is prevented from excessively deforming, at the moment, the first return spring 331 is stretched, and after the movable rod 5 loses downward thrust, the rectangular tube 4 and the rubber tube 7 are driven to move upwards to return to an initial position under the action of the first return spring 331; in addition, two curb plates 44 play the guide effect, avoid rubber tube 7 to the side removal, improve sealed effect.

Specifically, the rectangular tube 4 is provided with a third limiting plate 43, the third limiting plate 43 is located between the lower plate 52 and the flap 6, and when the lower plate 52 moves downward, at least one position is formed, the lower plate 52 contacts with the third limiting plate 43.

When the lower bottom plate 52 moves downwards, the movable plate 6 and the rubber tube 7 are pushed to move downwards through the second return spring 53, so that the rubber tube 7 extends out of the space between the two side plates 44 to contact with the lower door frame, and after the lower bottom plate 52 contacts with the third limiting plate 43, the lower bottom plate 52 continues to drive the rectangular tube 4 to move downwards integrally, so that the rubber tube 7 extrudes the lower door frame to extrude the rubber tube 7, and a better sealing effect is achieved.

Preferably, be equipped with first limiting plate 32 in the U type frid 3, first limiting plate 32 is located the top of rectangular pipe 4, first limiting plate 32 can restrict rectangular pipe 4 and excessively upwards remove under the effect of first reset spring 331, plays limiting displacement.

In the description of the present patent, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present patent and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present patent.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will occur to those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a threshold seal structure for door leaf, be equipped with door frame (12) on threshold (1), one side of door leaf (2) articulates in door frame (12), door leaf (2) are including outer door plant (21) and interior door plant (22), its characterized in that, threshold seal structure includes: the lower side surface of the inner door panel (22) is provided with a second groove (223), and the U-shaped trough plate (3) is fixedly arranged in the second groove (223);

the device comprises a rectangular pipe (4), wherein the rectangular pipe (4) is movably arranged in a U-shaped groove plate (3) along the length direction, a plurality of second limiting plates (33) are horizontally arranged in the U-shaped groove plate (3), a plurality of first return springs (331) are connected between the second limiting plates (33) and the rectangular pipe (4), and a rubber pipe (7) is movably arranged on the lower side surface of the rectangular pipe (4) along the length direction;

the round rod (84) is horizontally arranged in the U-shaped trough plate (3), and one end of the round rod (84) extends out of the outer end of the U-shaped trough plate (3);

and the driving mechanism is arranged in the U-shaped groove plate (3), and when the round rod (84) moves towards the inside of the U-shaped groove plate (3), the driving mechanism can push the rectangular pipe (4) to move downwards.

2. The sill seal for a door leaf of claim 1, wherein the drive mechanism includes:

a plurality of drive structure, a plurality of drive structure sets up on U type frid (3) along length direction, drive structure has: the first rotating shaft (34) is rotatably arranged in the U-shaped groove plate (3) along the width direction, and a cam (342) is fixedly arranged on the first rotating shaft (34); the lower end of the movable rod (5) is movably arranged on the upper side surface of the rectangular pipe (4), an upper top plate (51) is fixedly arranged at the upper end of the movable rod (5), and the wheel surface of the cam (342) is always in contact with the upper top plate (51);

the transmission structure is arranged in the U-shaped groove plate (3) and can drive a plurality of first rotating shafts (34) to rotate in the same direction.

3. The sill seal for a door leaf of claim 2, wherein the transmission structure includes:

the first sliding rod (8) and the second sliding rod (9) are respectively arranged at two ends of the U-shaped groove plate (3) in a sliding mode, and the round rod (84) is movably arranged at the outer end of the first sliding rod (8);

the connecting rod (81) is connected between the first sliding rod (8) and the second sliding rod (9), and the rack (82) is fixedly arranged on the lower side surface of the connecting rod (81);

the gear rack comprises a plurality of gears (341), the gears (341) are in one-to-one correspondence with the first rotating shafts (34), the gears (341) are coaxially and fixedly arranged on the corresponding first rotating shafts (34), and the rack (82) is in meshing connection with the gears (341).

4. The doorsill sealing structure for a door leaf according to claim 3, characterized in that the outer end of the first sliding rod (8) is provided with a blind hole (83), and one end of the round rod (84) is connected in the blind hole (83) through a thread.

5. The doorsill sealing structure for a door leaf as claimed in claim 4, wherein a plurality of upper through holes (41) and a plurality of lower through holes (42) are respectively formed in the upper side surface and the lower side surface of the rectangular tube (4), the plurality of movable rods (5) are in one-to-one correspondence with the plurality of upper through holes (41), the lower ends of the movable rods (5) penetrate through the corresponding upper through holes (41) and extend into the rectangular tube (4), a lower bottom plate (52) is fixedly arranged at the end part of the corresponding upper through holes, a plurality of supporting rods (72) are vertically arranged on the rubber tube (7), the plurality of supporting rods (72) are in one-to-one correspondence with the plurality of lower through holes (42), the upper ends of the supporting rods (72) penetrate through the corresponding lower through holes (42) and extend into the rectangular tube (4), a movable plate (6) is fixedly arranged at the end part of the corresponding lower through holes (52), second return springs (53) are connected between the movable plate (6) and the corresponding lower bottom plate (52), and side plates (44) are respectively arranged on the rectangular tube (4) positioned at two sides of the rubber tube (7).

6. The sill seal for a door leaf according to claim 5, characterised in that a third limit plate (43) is arranged in the rectangular tube (4), the third limit plate (43) is located between the lower plate (52) and the movable plate (6), and when the lower plate (52) moves downwards, there is at least one position where the lower plate (52) and the third limit plate (43) are in contact.

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