Anti-jumping sliding door damper

Abstract

The utility model discloses an anti-bounce sliding door damper, and particularly relates to the technical field of dampers, the anti-bounce sliding door damper comprises a mounting plate, a first cover plate is fixedly arranged at the top of the mounting plate, a spring used for buffering a sliding door is arranged in the first cover plate, a supporting plate is inserted in the mounting plate, and the supporting plate is connected with the first cover plate. A dismounting mechanism facilitating replacement of the spring is arranged in the mounting plate, a bottom plate is arranged on one side of the top of the mounting plate, limiting wheels are movably connected to the two sides of the top of the bottom plate, a plurality of fourth threaded holes are formed in the top of the mounting plate, and a plurality of fifth threaded holes are formed in the bottom plate; and the interiors of the fourth threaded hole and the fifth threaded hole which communicate with each other are in threaded connection with the same third bolt. The spring can be taken out from the interior of the first cover plate through the dismounting mechanism, the spring can be replaced conveniently, the service life of the sliding door is prolonged, the supporting plate can be fixed through the anti-jumping mechanism, and jumping of the sliding door is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to damper technical field, concretely relates to a kind of anti-jumping door damper. BACKGROUND

[0002] Anti-jumping door damper is a device for controlling sliding door movement, main effect is to prevent sliding door from jumping during movement, ensure that sliding door runs smoothly. It is usually installed on the upper frame or lower frame of sliding door, and the movement speed of sliding door is slowed down by providing resistance, so as to reduce the impact force when sliding door is closed, protect door body and wall.

[0003] For example, a kind of external hanging type sliding door damper provided in Chinese patent application with publication number CN204418895U, including assembly frame, and guiding block, roller and cylinder shell installed on assembly frame;The assembly frame is installed on the inner surface of sliding door by multiple screws;The cylinder in the cylinder shell includes piston rod, cylinder body and end cover;The thin end of the piston rod extends out of the cylinder body, and the end is installed with damping prong by nut;The thick end of the piston rod is located in the cylinder body, and cooperates with the inner wall of the cylinder body, and the thick end of the piston rod is provided with sealing ring for sealing and graphite ring for lubrication;Reset spring is provided between the thick end of the piston rod and the end cover;Exhaust regulating valve is provided on the end cover. The damper is novel in structure, convenient to adjust;Use natural air as damping medium, no pollution, no resource consumption, environmental protection and energy saving, and low failure rate, easy to install, can adjust the buffer force according to the actual impact force of sliding door, prolong the service life of damper.

[0004] However, the technical scheme still has the following problems: in the technical scheme, the piston rod compresses the reset spring to achieve the effect of buffering sliding door, but the elasticity of the spring will gradually decrease after repeated compression, and finally the spring will not be able to buffer the sliding door. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of anti-jumping door damper, spring can be taken out from the inside of first cover plate by dismounting mechanism, it is convenient to replace, prolong the service life of the utility model, also by anti-jumping mechanism can be fixed to support plate, avoid jumping of sliding door, to solve the above-mentioned shortcomings in technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of anti-jumping door damper, including mounting plate, the first cover plate is fixed on the top of mounting plate, the spring for buffering sliding door is arranged in the inside of first cover plate, support plate is inserted into the inside of mounting plate, and dismounting mechanism is arranged in the inside of mounting plate to facilitate the replacement of spring.

[0007] Preferably, the dismounting mechanism comprises a second cover plate arranged on the top of the first cover plate, the mounting plate is provided with a plug-in slot on both sides, the spring is fixedly provided with a fixed plate at both ends, the fixed plate is matched with the plug-in slot, two second threaded holes are arranged on the fixed plate close to the side of the supporting plate, two third threaded holes are arranged on the side of the supporting plate close to the fixed plate, and the same second bolt is threadedly connected in the third threaded hole and the second threaded hole in communication, so that the spring is convenient to replace.

[0008] Preferably, the first cover plate is provided with two first connecting plates on both sides, the second cover plate is provided with two second connecting plates on both sides, the first connecting plates and the second connecting plates are provided with first threaded holes, and the same first bolt is threadedly connected in the two first threaded holes in communication, so that the second cover plate is removed from the top of the first cover plate.

[0009] Preferably, the second cover plate is provided with a jump-preventing mechanism for preventing the sliding door from jumping, the jump-preventing mechanism comprises a limiting plate arranged on the top of the second cover plate, the limiting plate is fixedly connected with the top of the supporting plate, two third connecting plates are fixedly arranged on the inner side of the supporting plate, screw cylinders are movably connected to the inner sides of the first cover plate through bearings, screw rods are threadedly connected in the screw cylinders, two second plug-in holes are arranged on the top of the second cover plate, two first plug-in holes are arranged on the side of the limiting plate, the screw rods are matched with the first plug-in holes and the second plug-in holes, and the jump-preventing mechanism is used for preventing the sliding door from jumping.

[0010] Preferably, the two third connecting plates are fixedly provided with a rack on the side close to each other, a gear is arranged on the outside of the screw cylinder in a penetrating mode, the gear is engaged with the rack, and the gear is used for driving the screw cylinder to rotate.

[0011] Preferably, the mounting plate is provided with a bottom plate on one side of the top, the bottom plate is movably connected with a limiting wheel on both sides of the top, a plurality of fourth threaded holes are arranged on the top of the mounting plate, a plurality of fifth threaded holes are arranged on the bottom plate, the same third bolt is threadedly connected in the fourth threaded hole and the fifth threaded hole in communication, and the third bolt is used for limiting the sliding door.

[0012] Preferably, the mounting plate is provided with two fourth bolts on both sides, and the fourth bolts are used for mounting the mounting plate.

[0013] In the above technical scheme, the technical effects and advantages of the utility model are provided.

[0014] 1, when the spring needs to be replaced, first rotate the first bolt, pull the second cover plate, rotate the second bolt, pull the fixed plate, and then pull the spring out of the first cover plate, which is convenient for replacement and prolongs the service life of the utility model;

[0015] 2, the sliding door pushes the support plate to move, the support plate moves while driving the limiting plate and the third connecting plate to move, the moving third connecting plate can drive the threaded cylinder to rotate under the action of the gear and the rack, the threaded cylinder rotates to drive the threaded rod to move upwards, the threaded rod is inserted into the second insertion hole and the first insertion hole, so that the support plate can be fixed, and the sliding door is prevented from jumping. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a bottom view of the utility model;

[0019] Figure 3 It is an explosion diagram of the utility model;

[0020] Figure 4 It is a structure schematic view of the dismounting mechanism of the utility model;

[0021] Figure 5 It is a structure schematic view of the anti-jumping mechanism of the utility model;

[0022] Figure 6 It is a structure schematic view of the bottom plate of the utility model.

[0023] Explanation of reference signs:

[0024] 1 mounting plate, 2 first cover plate, 3 spring, 4 support plate;

[0025] 5 dismounting mechanism, 501 second cover plate, 502 first connecting plate, 503 second connecting plate, 504 first threaded hole, 505 first bolt, 506 insertion slot, 507 fixed plate, 508 second threaded hole, 509 third threaded hole, 510 second bolt;

[0026] 6 anti-jumping mechanism, 601 limiting plate, 602 third connecting plate, 603 threaded barrel, 604 threaded rod, 605 first plug-in hole, 606 second plug-in hole, 607 gear, 608 rack;

[0027] 7 bottom plate, 8 limiting wheel, 9 fourth threaded hole, 10 fifth threaded hole, 11 third bolt, 12 fourth bolt. DETAILED DESCRIPTION

[0028] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below.

[0029] The utility model provides a kind of anti-jumping door damper as Figures 1-6 As shown in a kind of anti-jumping door damper, including mounting plate 1, the first cover plate 2 is fixed on the top of mounting plate 1, the spring 3 for buffering sliding door is arranged in the first cover plate 2, the supporting plate 4 is inserted in the inside of mounting plate 1, the dismounting mechanism 5 for conveniently replacing spring 3 is arranged in the inside of mounting plate 1, the bottom plate 7 is equipped on the top of one side of mounting plate 1, the limiting wheel 8 is movably connected on the top of both sides of bottom plate 7, a plurality of fourth threaded holes 9 are set in the top of mounting plate 1, a plurality of fifth threaded holes 10 are set on the bottom plate 7, the same third bolt 11 is screw-connected in the fourth threaded hole 9 and the fifth threaded hole 10 that are connected, the fourth bolt 12 is equipped on both sides of mounting plate 1;

[0030] As shown in a kind of anti-jumping door damper, including mounting plate 1, the first cover plate 2 is fixed on the top of mounting plate 1, the spring 3 for buffering sliding door is arranged in the first cover plate 2, the supporting plate 4 is inserted in the inside of mounting plate 1, the dismounting mechanism 5 for conveniently replacing spring 3 is arranged in the inside of mounting plate 1, the bottom plate 7 is equipped on the top of one side of mounting plate 1, the limiting wheel 8 is movably connected on the top of both sides of bottom plate 7, a plurality of fourth threaded holes 9 are set in the top of mounting plate 1, a plurality of fifth threaded holes 10 are set on the bottom plate 7, the same third bolt 11 is screw-connected in the fourth threaded hole 9 and the fifth threaded hole 10 that are connected, the fourth bolt 12 is equipped on both sides of mounting plate 1; Figure 6 As shown in a kind of anti-jumping door damper, including mounting plate 1, the first cover plate 2 is fixed on the top of mounting plate 1, the spring 3 for buffering sliding door is arranged in the first cover plate 2, the supporting plate 4 is inserted in the inside of mounting plate 1, the dismounting mechanism 5 for conveniently replacing spring 3 is arranged in the inside of mounting plate 1, the bottom plate 7 is equipped on the top of one side of mounting plate 1, the limiting wheel 8 is movably connected on the top of both sides of bottom plate 7, a plurality of fourth threaded holes 9 are set in the top of mounting plate 1, a plurality of fifth threaded holes 10 are set on the bottom plate 7, the same third bolt 11 is screw-connected in the fourth threaded hole 9 and the fifth threaded hole 10 that are connected, the fourth bolt 12 is equipped on both sides of mounting plate 1;

[0031] The mounting plate 1 is fixed in place by the fourth bolt 12, the sliding door is pushed, the sliding door continues to move under the action of inertia, passes between the two limiting wheels 8, and then enters the inside of the first cover plate 2, the sliding door pushes the support plate 4 to move, the support plate 4 compresses the spring 3, a certain damping is generated, the effect of buffering the sliding door is achieved, the support plate 4 moves while being able to drive the limiting plate 601 and the third connecting plate 602 to move, the third connecting plate 602 that moves can drive the threaded cylinder 603 to rotate under the action of the gear 607 and the rack 608, the threaded cylinder 603 rotating can drive the threaded rod 604 to move upwards, the threaded rod 604 is inserted into the second insertion hole 606 and the first insertion hole 605, so that the support plate 4 can be fixed, and jumping of the sliding door is avoided.

[0032] As shown in Figure 4 The dismounting mechanism 5 includes a second cover plate 501 arranged at the top of the first cover plate 2, the mounting plate 1 is provided with an insertion slot 506 on both sides, the spring 3 is fixedly provided with a fixed plate 507 at both ends, the fixed plate 507 is matched with the insertion slot 506, two second threaded holes 508 are formed in the fixed plate 507 close to the side of the support plate 4, two third threaded holes 509 are formed in the side of the support plate 4 close to the fixed plate 507, and the same second bolt 510 is threadedly connected in the third threaded holes 509 and the second threaded holes 508 in communication;

[0033] As shown in Figure 4 The first cover plate 2 is provided with two first connecting plates 502 on both sides, the second cover plate 501 is provided with two second connecting plates 503 on both sides, and the first connecting plates 502 and the second connecting plates 503 are provided with first threaded holes 504.

[0034] When the spring 3 needs to be replaced, the first bolt 505 is rotated and taken out of the two first threaded holes 504, the second cover plate 501 is pulled and taken off the top of the first cover plate 2, the second bolt 510 is rotated and taken out of the second threaded holes 508 and the third threaded holes 509, then the fixed plate 507 is pulled and taken out of the insertion slot 506, and the spring 3 can be taken out of the first cover plate 2, which is convenient for replacement and prolongs the service life of the utility model.

[0035] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A door anti-lift damper comprising a mounting plate (1), characterised in that: The top of the mounting plate (1) is fixedly provided with a first cover plate (2), the inside of the first cover plate (2) is provided with a spring (3) for buffering the sliding door, the inside of the mounting plate (1) is inserted with a supporting plate (4), and the inside of the mounting plate (1) is provided with a dismounting mechanism (5) for conveniently replacing the spring (3). The dismounting mechanism (5) comprises a second cover plate (501) arranged at the top of the first cover plate (2), both sides of the mounting plate (1) are provided with an insertion slot (506), both ends of the spring (3) are fixedly provided with a fixed plate (507), the fixed plate (507) is matched with the insertion slot (506), two second threaded holes (508) are formed in the fixed plate (507) close to one side of the supporting plate (4), two third threaded holes (509) are formed in the supporting plate (4) close to the fixed plate (507), and the same second bolt (510) is threadedly connected in the third threaded hole (509) and the second threaded hole (508) in communication. The top of the second cover plate (501) is provided with a bounce-preventing mechanism (6) for preventing the sliding door from bouncing.

2. A door closer as claimed in claim 1, characterised in that: Both sides of the first cover plate (2) are provided with two first connecting plates (502), both sides of the second cover plate (501) are provided with two second connecting plates (503), and the first connecting plate (502) and the second connecting plate (503) are provided with a first threaded hole (504).

3. A door closer as claimed in claim 1, wherein: The bounce-preventing mechanism (6) comprises a limiting plate (601) arranged at the top of the second cover plate (501), the bottom of the limiting plate (601) is fixedly connected with the top of the supporting plate (4), two third connecting plates (602) are fixedly arranged on one side in the supporting plate (4), screw cylinders (603) are movably connected to both sides in the first cover plate (2), a threaded rod (604) is threadedly connected in the screw cylinder (603), two second insertion holes (606) are formed in the top of the second cover plate (501), two first insertion holes (605) are formed in one side of the limiting plate (601), and the threaded rod (604) is matched with the first insertion hole (605) and the second insertion hole (606).

4. A door closer as claimed in claim 3, wherein: Teeth (608) are fixedly arranged on one side of the third connecting plate (602) close to each other, and a gear (607) is arranged to penetrate the outside of the screw cylinder (603).

5. A door closer as claimed in claim 1, wherein: A bottom plate (7) is arranged on one side of the top of the mounting plate (1), limiting wheels (8) are movably connected to both sides of the top of the bottom plate (7), a plurality of fourth threaded holes (9) are formed in the top of the mounting plate (1), a plurality of fifth threaded holes (10) are formed in the bottom plate (7), and the same third bolt (11) is threadedly connected in the fourth threaded hole (9) and the fifth threaded hole (10) in communication.

6. A door closer as claimed in claim 1, wherein: Fourth bolts (12) are arranged on both sides of the mounting plate (1).

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