CN213234666U

CN213234666U - Push-and-pull door that bearing capacity is strong promotes structure

Info

Publication number: CN213234666U
Application number: CN202021242482.9U
Authority: CN
Inventors: 胡定一
Original assignee: Ningbo Ruichi Technology Co ltd
Current assignee: Ningbo Ruichi Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-05-18
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a sliding door lifting structure with strong bearing capacity, a square shaft cam and a sliding convex pin are installed in a door lock, the sliding convex pin is symmetrically connected with a lifting plate, one side of the lifting plate is provided with a convex part, the two ends of a lifting rod are connected with the square shaft cam and the sliding convex pin, the bottom of the lifting rod is hinged with a first connecting rod, one end of the first connecting rod is hinged with a second connecting rod, the second connecting rod is hinged with a roller frame, the roller frame is provided with a roller, the lifting rod is also sleeved with a support, and the bottom of the support is provided with a supporting leg; when the lifting device works, the square shaft cam is rotated to enable the sliding convex pin to drive the lifting rod to lift, and then the height of the roller is adjusted through the first connecting rod and the second connecting rod. The utility model relates to a push-and-pull door that bearing capacity is strong promotes structure can drive the lifter through the rotation of the inside square shaft cam of lock and realize going up and down, by the height of lifter bottom articulated connecting rod group adjusting roller to realized the closure and the unblock of the door body, stopper and bearing bar in the lock have played the effect of strengthening the bearing.

Description

Push-and-pull door that bearing capacity is strong promotes structure

Technical Field

The utility model relates to a push-and-pull door technical field especially relates to a push-and-pull door that bearing capacity is strong promotes structure.

Background

The door and window is an important component in a building envelope system and is one of essential components of all buildings. The existing door mainly comprises a vertical hinged door, a sliding door, a lifting sliding door and the like. The lifting sliding door can realize large-area ventilation and large-area opening, and is an ideal choice for sunlight rooms, villas and high-grade residential buildings.

The lifting sliding door consists of a door frame and a door leaf, and five metal fittings of the lifting sliding door mainly comprise a handle, a driver and a pulley. The lifting sliding door utilizes the lever mechanics principle, and the lifting and descending of the door leaf are controlled by slightly rotating the handle, so that the door leaf is fixed and opened.

Because the door leaf that promotes the push-and-pull door need descend, promote or the parallel side is moved in the use, will guarantee to promote the sealing performance and the normal opening of push-and-pull door, the sealing member must satisfy after the door leaf height adjustment, still can guarantee sealed effect and do not hinder the decline of door leaf, promote and the parallel side moves. Therefore, in the prior art, a sponge body is usually arranged between the top end of the door leaf and the door frame so as to realize sealing and elastic expansion and achieve the purposes of sealing and normal opening; however, the sponge body is easy to leak air, the sealing performance of the sponge body is poor, the sealing performance of the sliding door is poor, the bearing effect of the common sliding door is poor when the sliding door is used, and the door body is difficult to push when the weight of the door body is large.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a push-and-pull door that bearing capacity is strong promotes structure to overcome among the prior art push-and-pull door and promote the poor and problem that is difficult to keep the leakproofness of structure bearing.

(II) technical scheme

In order to solve the technical problem, the utility model provides a sliding door lifting structure with strong bearing capacity, which comprises a side frame, a door lock and a bottom frame, wherein the door lock is arranged on the side frame, the side frame is fixed on a door body, a square shaft cam and a sliding convex pin are arranged in the door lock, a rectangular lock hole is arranged in the middle of the square shaft cam, an external handle is arranged on the rectangular lock hole, the sliding convex pin is hinged on the square shaft cam, the sliding convex pin is hinged at the bottom of the square shaft cam, when the square shaft cam rotates in the door lock, the sliding convex pin is driven to ascend, a transmission piece is arranged on the sliding convex pin, a second clamping groove is arranged on the sliding convex pin, a second clamping hook corresponding to the second clamping groove is arranged on the transmission piece, the sliding convex pin can drive the transmission piece to ascend and descend, the square shaft cam can lean against the lifting plate after rotating for 180 degrees, thereby limiting the position of the square shaft cam, and the square shaft cam can provide supporting force at the moment so as to prevent the door body from falling; the lifting plate is characterized in that a lifting plate is mounted on the transmission piece, a first clamping hook is arranged on the transmission piece, a first clamping groove corresponding to the first clamping hook is arranged on the lifting plate, the transmission piece fixes the lifting plate through the first clamping hook so as to drive the lifting plate to lift, a protruding part is arranged on one side of the lifting plate, a positioning hole corresponding to the protruding part is arranged on the lifting rod in the side frame, and the lifting rod is fixed on the lifting plate; the lock is characterized in that a lock core, a sliding block and a locking block are further arranged in the door lock, an arc groove is formed in the lower end of the sliding block, the arc groove is matched with the upper end of the lock core, the sliding block can be driven to transversely slide when the lock core rotates, the locking block is arranged above the sliding block, a slope is formed in the sliding block, the sliding block can drive the locking block to lift when sliding, and the limiting block can block the square shaft cam after rising to the end part, so that the square shaft cam is locked; the bottom of the lifting rod is hinged with a first connecting rod, one end of the first connecting rod is hinged with a second connecting rod, a roller carrier is hinged on the second connecting rod, a roller is mounted on the roller carrier, a support is further sleeved on the lifting rod, a supporting leg is arranged at the bottom of the support, when the supporting leg is arranged on a track, a door body cannot move, an inclined guide groove is formed in the support, a sliding column is mounted on the roller carrier and arranged in the inclined guide groove, and when the roller carrier moves transversely, the roller is driven to lift under the action of the inclined guide groove; during operation, rotate the square shaft cam makes the protruding round pin that slides with the drive plate rises, the drive plate passes through the lifting plate drives the lifter rises, the lifter passes through first connecting rod with the effect of second connecting rod makes the gyro wheel frame descends, further drives make after the gyro wheel frame removes gyro wheel contact bottom track, and the door body can follow outside track slip this moment, during the reverse rotation handle, the drive plate drives the lifter descends, the gyro wheel frame rises the back, makes the supporting legs contacts the track once more, realizes that the door body is fixed.

Further, install the stopper on the protruding round pin that slides, be equipped with the spacing groove on the lock, the stopper is arranged in the spacing inslot, the spacing groove has restricted the upper and lower slip scope of the protruding round pin that slides, still install the bearing bar on the lock, be equipped with on the lifting plate with the arc that the bearing bar corresponds keeps off the face, and the protruding round pin that slides is arranged in when the below, the bearing bar supports and leans on in the arc and keeps off the face below to play the effect of strengthening the bearing.

(III) advantageous effects

The utility model relates to a push-and-pull door that bearing capacity is strong promotes structure, the rotation through the inside square shaft cam of lock can drive the protruding round pin of slip and go up and down, and then drive the lifter through the lifting plate and realize going up and down, by the height of lifter bottom articulated connecting rod group adjusting roller, thereby the closure and the unblock of the door body have been realized, stopper and bearing bar in the lock have played the effect of strengthening the bearing, and this structure adjusts the height of the door body through the inside lifter of the door body and roller train, be difficult to influence the holistic leakproofness of push-and-pull door.

Drawings

Fig. 1 is a perspective view of a lifting structure of a sliding door with high bearing capacity of the present invention;

fig. 2 is a structure diagram of the inside of the door lock of the lifting structure of the sliding door of the present invention with strong bearing capacity;

fig. 3 is a perspective view of a square shaft cam and a lifting plate of the lifting structure of the sliding door with strong bearing capacity of the present invention;

fig. 4 is a perspective view of a lifting rod and a lifting plate of the lifting structure of the sliding door with strong bearing capacity of the present invention;

fig. 5 is a perspective view of a connecting rod and a roller of the lifting structure of the sliding door with strong bearing capacity of the present invention;

fig. 6 is a perspective view of a bracket and a roller of the lifting structure of the sliding door with strong bearing capacity of the present invention;

fig. 7 is a perspective view of a bracket and a connecting rod of the lifting structure of the sliding door with strong bearing capacity of the present invention;

fig. 8 is a perspective view of a door lock of a lifting structure of a sliding door with high bearing capacity of the present invention;

fig. 9 is the utility model relates to a strong push-and-pull door of bearing capacity promotes structure's square shaft cam, slip cam pin and driving plate stereogram.

Wherein: the device comprises a square shaft cam 1, a sliding convex pin 2, a transmission piece 3, a lifting plate 4, a first clamping hook 5, a first clamping groove 6, a boss 7, a lifting rod 8, a positioning hole 9, a first connecting rod 10, a second connecting rod 11, a wheel rolling frame 12, a roller 13, a support 14, a supporting leg 15, a limiting block 16, a limiting groove 17, a bearing rod 18, an arc-shaped blocking surface 19, a second clamping groove 20, a second clamping hook 21, a rectangular locking hole 22, a lock cylinder 23, a sliding block 24, a locking block 25, an inclined guide groove 26 and a sliding column 27.

Detailed Description

Referring to fig. 1 to 9, in order to solve the above technical problems, the present invention provides a sliding door lifting structure with strong load bearing capacity, including a side frame, a door lock and a bottom frame, wherein the door lock is fixed on the side frame and is installed inside the door body, referring to fig. 2 to 4, a square shaft cam 1 and a sliding convex pin 2 are installed in the door lock, the sliding convex pin 2 is hinged at the bottom of the square shaft cam 1, therefore, when the square shaft cam 1 rotates clockwise, the sliding convex pin 2 is driven by the square shaft cam 1 to ascend, otherwise, the sliding convex pin descends, a driving plate 3 is installed on the sliding convex pin 2, a lifting plate 4 is installed on the driving plate 3, in this embodiment, a first hook 5 is installed on the driving plate 3, a first slot 6 corresponding to the first hook 5 is installed on the lifting plate 4, the lifting plate 4 is fastened on the driving plate 3 by the first hook 5, when the sliding convex pin 2 ascends, will drive the lifting plate 4 to lift at the same time; a protruding part 7 is arranged on one side of the lifting plate 4, a positioning hole 9 corresponding to the protruding part 7 is arranged on the lifting rod 8 in the side frame, the lifting plate 4 is fixed on the lifting rod 8 after the protruding part 7 is arranged in the positioning hole 9, and the lifting rod 8 can be driven by the lifting plate 4 to lift; in this embodiment, still be equipped with lock core 23 in the lock, slider 24 and locking piece 25, wherein the lower extreme of slider 24 is the arc breach, this arc breach cooperatees with the arc surface of lock core 23 upper end, make the lock core rotate the back and can drive slider 24 lateral sliding, locking piece 25 is arranged in the slider 24 top, and be equipped with the ramp on this slider 24, make slider 24 can drive locking piece 25 lift when sliding through this ramp, this locking piece can support and lean on one side of square shaft cam 1 after rising, in order to inject square shaft cam 1 rotatory, thereby with this square shaft cam 1 closure, further realize the location of the door body, after square shaft cam 1 rotates 180, can support and lean on the one end that promotes board 4 and realize the location, can make the door leaf keep the slip state, and this square shaft cam 1 has played the supporting role, avoid the door leaf whereabouts.

Referring to fig. 5-7, the bottom of the lifting rod 8 is hinged with a first connecting rod 10, one end of the first connecting rod 10 is hinged with a second connecting rod 11, the second connecting rod 11 is hinged with a roller frame 12, the lifting rod 8 can drive the roller frame 12 to lift in the lifting process by the lever principle between the connecting rods, the roller frame 12 is provided with a roller 13, the lifting rod 8 is further sleeved with a bracket 14, the bottom of the bracket 14 is provided with a supporting leg 15, in this embodiment, the bracket 14 is provided with an inclined guide groove 26, the roller frame 12 is provided with a sliding column 27, the sliding column 27 is arranged in the inclined guide groove 26, when the sliding column 27 slides transversely along the inclined guide groove, the roller frame 12 is driven to lift, the roller 13 is driven to lift, when the roller frame 12 rises, the roller 13 rises, the supporting leg 15 contacts with the rail, so as to clamp the sliding door, and realize locking of the sliding door, when the roller frame 12 descends, the roller 13 descends along with the roller, the bracket 14 is driven to ascend after the roller descends to a certain degree, the bracket 14 is fixed on the door body, the door body is driven to ascend, at the moment, the roller 13 is located below the supporting legs 15 and is in contact with the rail, and the sliding door is in an unlocking state.

Referring to fig. 3, 8 and 9, the sliding cam 2 is provided with a stopper 16, the door lock is provided with a stopper groove 17, the limiting block 16 is disposed in the limiting groove 17 to limit the lifting range of the sliding convex pin 2, in this embodiment, the door lock is also provided with a bearing rod 18, the lifting plate 4 is provided with an arc-shaped blocking surface 19 corresponding to the bearing rod 18, when the sliding convex pin 2 is positioned at the lowest part, the bearing rod 18 is propped against the arc-shaped blocking surface 19 to play a role of bearing, the sliding convex pin 2 is provided with a second clamping groove 20, the transmission piece 3 is provided with a second clamping hook 21 corresponding to the second clamping groove 20, the driving strap 3 is fixed on the sliding convex pin 2 through the second hook 21, in this embodiment, a rectangular lock hole 22 is arranged in the middle of the square shaft cam 1, the external handle is fixed in the rectangular lock hole 22, the square shaft cam 1 is driven to rotate by the handle, and the rotating center is the center of the rectangular lock hole 22.

The utility model relates to a push-and-pull door that bearing capacity is strong promotes structure, be equipped with the handle on the inside square shaft cam of lock, accessible square shaft cam drives the protruding round pin of slip and goes up and down after rotating the handle, and then drive the lifter through driving plate and lifting plate again and realize going up and down, this lifter bottom articulated connecting rod group can be at the height of the in-process adjusting roller that the lifter goes up and down, thereby the closure and the unblock of the door body have been realized, stopper and bearing bar in the lock have played the effect of strengthening the bearing, the scope of going up and down has been injectd simultaneously, make the lock not fragile, and this structure adjusts the height of the door body through the inside lifter of the door body and roller train, realize whole switching, consequently, be difficult to influence the holistic leakproofness of push-and.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a push-and-pull door that bearing capacity is strong promotes structure, includes side frame, lock and underframe frame, the lock is installed on the side frame, its characterized in that: a square shaft cam (1) and a sliding convex pin (2) are installed in the door lock, the sliding convex pin (2) is hinged to the square shaft cam (1), a transmission piece (3) is installed on the sliding convex pin (2), a lifting plate (4) is installed on the transmission piece (3), a first clamping hook (5) is arranged on the transmission piece (3), and a first clamping groove (6) corresponding to the first clamping hook (5) is formed in the lifting plate (4); a protruding part (7) is arranged on one side of the lifting plate (4), a positioning hole (9) corresponding to the protruding part (7) is formed in a lifting rod (8) in the side frame, a first connecting rod (10) is hinged to the bottom of the lifting rod (8), a second connecting rod (11) is hinged to one end of the first connecting rod (10), a roller frame (12) is hinged to the second connecting rod (11), rollers (13) are mounted on the roller frame (12), a support (14) is further sleeved on the lifting rod (8), and supporting legs (15) are arranged at the bottom of the support (14); during operation, the square shaft cam (1) is rotated to enable the sliding convex pin (2) to lift, the transmission piece (3) drives the lifting rod (8) to lift through the lifting plate (4), and therefore the height of the roller (13) is adjusted through the first connecting rod (10) and the second connecting rod (11).

2. The strong load bearing sliding door lifting structure of claim 1, wherein: still be equipped with lock core (23), slider (24) and locking piece (25) in the lock, the lower extreme of slider (24) with the upper end of lock core (23) cooperatees, locking piece (25) are arranged in slider (24) top.

3. The strong load bearing sliding door lifting structure of claim 1, wherein: the support (14) is provided with an inclined guide groove (26), the roller carrier (12) is provided with a sliding column (27), and the sliding column (27) is arranged in the inclined guide groove (26).

4. The strong load bearing sliding door lifting structure of claim 1, wherein: install stopper (16) on the protruding round pin of sliding (2), be equipped with spacing groove (17) on the lock, stopper (16) are arranged in spacing groove (17).

5. The strong load bearing sliding door lifting structure of claim 1, wherein: the door lock is further provided with a bearing rod (18), and the lifting plate (4) is provided with an arc-shaped blocking surface (19) corresponding to the bearing rod (18).

6. The strong load bearing sliding door lifting structure of claim 1, wherein: and a second clamping groove (20) is formed in the sliding convex pin (2), and a second clamping hook (21) corresponding to the second clamping groove (20) is arranged on the transmission piece (3).

7. The strong load bearing sliding door lifting structure of claim 1, wherein: the middle of the square shaft cam (1) is provided with a rectangular lock hole (22).