CN213418808U - Hinge-free hydraulic buffer device for door body - Google Patents

Abstract

The utility model provides a hinge-free hydraulic buffer device for a door body, which comprises a first fixed plate, a second fixed plate and a hydraulic device, wherein guide sliding blocks are symmetrically arranged at one end of a door body connecting part in the hydraulic device, a curved bar is arranged between the guide sliding blocks, and the curved bar is connected with the first fixed plate; a base, a hydraulic rod and a return spring are arranged in the door body connecting part, and the base is connected with a curved rod through a connecting rod; when the door is opened, the curved rod pulls the connecting rod to drive the base to move, so that the hydraulic rod and the return spring contract to generate resistance. The utility model relates to a no hinge formula door body hydraulic buffer simplifies first fixed plate and second fixed plate with ordinary hinge, and connects door frame and the door body respectively, has saved space and cost, can not influence a body pleasing to the eye, and the door body can drive curved bar and connecting rod removal when opening, passes through the base by the connecting rod simultaneously and drives hydraulic stem and spring shrink, realizes buffering deceleration effect, and the hydraulic stem can drive a body self-closing with spring expansion when closing the door.

Description

Hinge-free hydraulic buffer device for door body

Technical Field

The utility model relates to a door body hinge technical field especially relates to a no hinge formula door body hydraulic buffer.

Background

The hinge for the traditional door is a folding hinge, and the main hinge and the auxiliary hinge are fixedly installed on a door frame and a door plate after being hinged, so that the door cannot be buffered, and the speed of closing the door cannot be controlled. When the door is closed, if large external force exists, the door plate and the door frame collide violently to generate large sound, and the violent collision easily causes overlarge interaction force between the door plate and the door frame, easily causes damage to the door plate or the door frame, influences the service life of the door frame and the door plate, and has certain potential safety hazard. In order to avoid various defects of the folding hinge, the hinge for the door, which has a buffering effect on the closing of the door, is gradually developed on the market.

However, in the buffering hinge in the prior art, a direct-push type buffer, a one-way damper, a spiral structure and a hydraulic mechanism are mostly adopted to realize buffering door closing. The direct-push type buffer needs to be installed on a door in a punching way, is complex to install and has limited application range; the one-way damper has long working time in the door closing stroke, and the frequent times of door avoidance can reach the service life cycle of the one-way damper, so that the door closing buffering function is lost; the buffering hinge adopting the spiral structure has a complex structure, is difficult to process and has no door stop function; the existing buffering hinge adopting a hydraulic mechanism often has the problem of oil leakage, a door stop function is not arranged, the existing buffering hinge is complex in structure, and the noise is easily generated after the internal hinge is used for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a no hinge formula door body hydraulic buffer to overcome the problem that door body buffer structure is complicated, the function is single among the prior art.

(II) technical scheme

In order to solve the technical problem, the utility model provides a hydraulic buffer device of a hinge-free door body, which comprises a first fixed plate, a second fixed plate and a hydraulic device, the hydraulic device comprises a door body connecting part, one end of the door body connecting part is symmetrically provided with guide sliding blocks, a curved bar is slidably arranged between the guide sliding blocks, corresponding through grooves are respectively arranged on the first fixing plate and the second fixing plate, a connecting seat is also fixed on the first fixing plate, one end of the curved rod is hinged on the connecting seat after passing through the through groove, wherein the connecting seat is fixed inside the door frame, the first fixing plate is fixed on the surface of the door frame, the door body connecting part is fixed inside the door body, the second fixing plate is fixed on the surface of the door body, when the door body is opened, the connecting seat can relatively pull the curved rod, so that the curved rod slides along the guide sliding block; install base, hydraulic stem and reset spring in the door body connecting portion, the hydraulic stem with reset spring symmetrical arrangement in lead the slider with between the base, still be fixed with articulated seat on the base, articulated on the articulated seat have the connecting rod, the one end of connecting rod is articulated the curved bar works as the curved bar is followed lead during the slider slides, can drive the connecting rod removes thereupon, because the other end of connecting rod passes through articulated seat is connected the base, consequently the base also can remove thereupon, this moment the hydraulic stem with reset spring can be in shrink under the pressure of base, played the effect of the speed reduction door body, door body collision damage when can avoiding opening the door fast.

Furthermore, a first bending part and a second bending part are respectively arranged at two ends of the curved rod, the first bending part is hinged on the connecting seat, rolling bearings are symmetrically arranged at two sides of the second bending part, guide grooves are respectively arranged on the guide sliding blocks, the rolling bearings are respectively arranged in the guide grooves, an arc-shaped guide surface is arranged at one end of each guide groove, a stopping part is further arranged on each guide sliding block, when the curved rod slides along the guide sliding blocks, the rolling bearings roll in the guide grooves, after moving to one end of each guide groove, the rolling bearings can move downwards under the action of the arc-shaped guide surfaces and abut against the stopping parts, the positions of the rolling bearings can be limited through the stopping parts, so that the positioning of a door body is realized, and after the rolling bearings are separated from the stopping parts by pushing the door body through external force, the rolling bearing can move reversely along the guide groove, at the moment, the reset spring resets and pulls the door body to be automatically closed, and the hydraulic rod plays a role in buffering and decelerating.

Furthermore, the guide sliding block is internally provided with a through hole, one end of the hydraulic rod and one end of the return spring are respectively installed in the through hole, the other end of the hydraulic rod and the other end of the return spring are abutted against the base, and the through hole can position the hydraulic rod and the return spring, so that the base can push and compress the hydraulic rod and the return spring after moving.

(III) advantageous effects

The utility model relates to a no hinge formula door body hydraulic pressure buffer, this buffer simplifies ordinary hinge into first fixed plate and second fixed plate, and connect door frame and the door body respectively, space and cost have been saved, can not influence a body pleasing to the eye, be connected through curved bar and connecting rod between the first fixed plate AND gate body connecting portion, the door body can drive curved bar and connecting rod removal when opening, pass through the base by the connecting rod simultaneously and drive hydraulic stem and spring shrink, realize buffering deceleration effect, still be equipped with the backstop portion that is used for the location on the guide block, can be fixed with the door body after opening, hydraulic stem and spring expand and can drive a body self-closing when closing the door.

Drawings

Fig. 1 is a perspective view of a hydraulic buffer device for a hinge-free door body of the present invention;

fig. 2 is a perspective view of the hydraulic buffering device without the first connecting plate of the hinge-free door body of the present invention;

fig. 3 is a top view of the internal structure of the door body connecting part of the hinge-free door body hydraulic buffer device of the present invention;

fig. 4 is a perspective view of a guide slider and a curved bar of the hydraulic buffer device for a hinge-free door body of the present invention;

fig. 5 is an exploded view of the guide block and the curved bar of the hydraulic buffer device for a hinge-free door body of the present invention;

fig. 6 is a perspective view of the sliding guide block of the hydraulic buffer device for a hinge-free door of the present invention.

Wherein: the door body bending device comprises a door body connecting part, a first fixing plate 1, a second fixing plate 2, a door body connecting part 3, a guide sliding block 4, a curved rod 5, a through groove 6, a connecting seat 7, a base 8, a hydraulic rod 9, a return spring 10, a hinge seat 11, a connecting rod 12, a first bending part 13, a second bending part 14, a rolling bearing 15, a guide groove 16, an arc-shaped guide surface 17, a stop part 18 and a through hole 19.

Detailed Description

Referring to fig. 1 to 6, in order to solve the above technical problems, the present invention provides a hinge-free hydraulic buffering device for a door, including a first fixing plate 1, a second fixing plate 2 and a hydraulic device, referring to fig. 1 to 2, wherein the hydraulic device includes a door connecting portion 3, the door connecting portion 3 is used for connecting an external door and is installed inside an inner body, guide blocks 4 are symmetrically installed at one end of the door connecting portion 3, and curved bars 5 are slidably installed between the guide blocks 4, in this embodiment, corresponding through grooves 6 are respectively provided on the first fixing plate 1 and the second fixing plate 2, a connecting seat 7 is further fixed on the first fixing plate 1, one end of the curved bar 5 is hinged on the connecting seat 7 after passing through the through groove 6, the connecting seat 7 is fixed in a door frame, the first fixing plate 1 is connected to a surface of the door frame, the second fixing plate 2 is fixed to a surface of the door, when, the door body and the door frame move mutually, so that the connecting seat 7 relatively drives the curved rod 5 to slide along the guide sliding block 4;

referring to fig. 3, a base 8, a hydraulic rod 9 and a return spring 10 are installed in the door body connecting portion 3, wherein the hydraulic rod 9 and the return spring 10 are symmetrically arranged between the guide slider 4 and the base 8, the base 8 drives the return spring 10 and the hydraulic rod 9 to contract when moving, a hinge base 11 is further fixed on the base 8, a connecting rod 12 is hinged on the hinge base 11, and one end of the connecting rod 12 is hinged with the curved rod 5; when opening the door, the outside door body drives first fixed plate 1 and the separation of second fixed plate 2, and curved bar 5 can stimulate connecting rod 12 to remove this moment, further drives 8 removal back compression hydraulic stem 9 of base and reset spring 10 through connecting rod 12 for reset spring 10 produces the resistance with hydraulic stem 9, realizes the buffering of the door body.

Referring to fig. 4 to 6, the two ends of the curved bar 5 are respectively provided with a first bending portion 13 and a second bending portion 14, in this embodiment, the first bending part 13 is hinged on the connecting seat 7, the rolling bearings 15 are symmetrically arranged on two sides of the second bending part 14, the guide sliders 4 on two sides are respectively provided with a guide groove 16, the rolling bearings 15 are respectively arranged in the guide grooves 16 and can roll in the guide grooves 16, one end of the guide groove 16 is provided with an arc-shaped guide surface 17, the guide sliding block 4 is also provided with a stopping part 18, the stopping part 18 is positioned below the arc-shaped guide surface 17, when the curved rod 5 slides, the rolling bearings 15 on both sides are driven to roll in the guide groove 16, when the rolling bearings 15 move to the arc-shaped guide surface 17 at the end of the guide groove 16, the rolling bearings move downwards under the action of the arc-shaped guide surface 17, so as to abut against the stop part 18, and play a role of locking the rolling bearing 15, thereby positioning the door body; after the door body is pushed to overcome the resistance of the stopping part 18, the rolling bearing 15 can be pushed back into the guide groove 16, at the moment, the rolling bearing 15 moves reversely along the guide groove 16, the hydraulic rod 9 and the reset spring 10 are unfolded and reset, the reset spring 10 can provide elasticity to drive the base 8 and the connecting rod 12 to reset, the door body is further driven to automatically reset through the curved rod 5, and meanwhile, the hydraulic rod 9 can play a role in buffering and decelerating; in this embodiment, all be equipped with through-hole 19 in the guide sliding block 4, hydraulic stem 9 and reset spring 10's one end is installed respectively in this through-hole 19 to play fixed effect, and hydraulic stem 9 and reset spring 10's the other end all support and lean on base 8, so that drive its motion through base 8.

The utility model relates to a no hinge formula door body hydraulic pressure buffer, this buffer simplifies ordinary hinge into first fixed plate and second fixed plate, and connect door frame and the door body respectively, space and cost have been saved, compare in current structure, it is more convenient in the installation, and can not influence the door body pleasing to the eye, be connected through curved bar and connecting rod between the door body connecting portion of the first fixed plate and the connection door body, the door body can drive curved bar and connecting rod removal when opening, pass through base drive hydraulic stem and spring shrink by the connecting rod simultaneously, realize buffering deceleration, still be equipped with the backstop portion that is used for the location on the guide block, the door body after can will opening is fixed, hydraulic stem and spring expand and can drive a body self-closing when closing the door.

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 (5)

1. The utility model provides a no hinge formula door body hydraulic buffer, includes first fixed plate (1), second fixed plate (2) and hydraulic means, its characterized in that: the hydraulic device comprises a door body connecting part (3), guide sliding blocks (4) are symmetrically installed at one end of the door body connecting part (3), a curved rod (5) is installed between the guide sliding blocks (4) in a sliding mode, corresponding through grooves (6) are formed in the first fixing plate (1) and the second fixing plate (2), a connecting seat (7) is further fixed on the first fixing plate (1), and one end of the curved rod (5) penetrates through the through grooves (6) and then is hinged to the connecting seat (7); a base (8), a hydraulic rod (9) and a return spring (10) are installed in the door body connecting portion (3), the hydraulic rod (9) and the return spring (10) are symmetrically arranged between the guide sliding block (4) and the base (8), a hinge seat (11) is further fixed on the base (8), a connecting rod (12) is hinged to the hinge seat (11), and one end of the connecting rod (12) is hinged to the curved rod (5); when the door is opened, the external door body drives the first fixing plate (1) and the second fixing plate (2) to separate, the curved rod (5) pulls the connecting rod (12) and then drives the base (8) to move, and the hydraulic rod (9) and the reset spring (10) contract to generate resistance.

2. The hydraulic buffering device for the hinge-free door body according to claim 1, wherein: the two ends of the curved rod (5) are respectively provided with a first bending part (13) and a second bending part (14), and the first bending part (13) is hinged on the connecting seat (7).

3. The hydraulic buffering device for the hinge-free door body according to claim 2, wherein: rolling bearings (15) are symmetrically installed on two sides of the second bending portion (14), guide grooves (16) are formed in the guide sliding blocks (4), and the rolling bearings (15) are arranged in the guide grooves (16) respectively.

4. The hydraulic buffering device for the hinge-free door body according to claim 3, wherein: one end of the guide groove (16) is provided with an arc-shaped guide surface (17), and the guide sliding block (4) is also provided with a stopping part (18).

5. The hydraulic buffering device for the hinge-free door body according to claim 1, wherein: all be equipped with through-hole (19) in leading slider (4), hydraulic stem (9) with the one end of reset spring (10) is installed respectively in through-hole (19), hydraulic stem (9) with the other end of reset spring (10) all supports and leans on base (8).

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