Viscous damper with adjustable installation length

Abstract

The utility model relates to the technical field of viscous dampers, in particular to a viscous damper with an adjustable installation length, which can effectively shorten the construction period, adjust the length of the damper, effectively avoid installation errors and ensure the normal use of the damper. Comprising a damper cylinder barrel, a connecting pipe and a displacement protection sleeve, guide sleeves are fixedly arranged at the left end and the right end in the damper cylinder barrel, a piston rod is slidably installed on the damper cylinder barrel through guide fit of the guide sleeves, a piston fixedly sleeves the piston rod, and a damping hole is formed in the piston in a left-right through mode; the displacement protection sleeve is installed in the connecting pipe in a screwed mode through matching of the external thread connecting buckle and the internal thread connecting buckle, four sets of threaded holes matched with the connecting bolts are formed in the right end of the connecting pipe, and the sealing plate is installed on the connecting pipe in a covering mode through matching of the connecting bolts and the threaded holes. A tail end connecting lug is fixedly arranged at the right end of the sealing plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of viscous damper, especially to a viscous damper with adjustable installation length. BACKGROUND

[0002] Viscous damper (hereinafter referred to as damper) is widely used in the current domestic construction industry, and the energy dissipation effect is remarkable in strong earthquake and wind vibration, the installation mode of damper mainly has wall type support, herringbone support, inclined support and the like, and after damper is transported to the construction site, the currently prevailing installation mode is to place damper together with the connecting piece at both ends on the embedded part for welding after damper is transported to the construction site.

[0003] The main shortcomings of the above installation mode are:

[0004] Long cycle: after the welding work is completed, the exposed metal surface of the connecting piece needs to be painted after cooling to prevent rust, and these works can only be carried out after the damper is installed, so that the installation cycle is long.

[0005] Installation error: during installation, the length of the existing damper is mostly fixed, and because the installation length of the damper is fixed, installation error often occurs between the damper and the preset installation hole, which affects the normal use of the damper.

[0006] Therefore, a viscous damper with adjustable installation length is needed. CONTENT OF THE UTILITY MODEL

[0007] To solve the above technical problems, the utility model provides a viscous damper with adjustable installation length, which can effectively shorten the construction cycle, adjust the length of the damper, effectively avoid installation error, and ensure the normal use of the damper.

[0008] TECHNICAL SCHEME

[0009] In order to achieve the above object, the utility model provides the following technical scheme: a viscous damper of adjustable installation length, including damper cylinder, connecting pipe and displacement protection sleeve, both ends of damper cylinder inside are fixedly provided with guide sleeve, and piston rod is slidably installed on damper cylinder through the guide of guide sleeve, and piston is fixedly sleeved on piston rod, and the left and right through of piston is provided with damping hole, and the internal chamber of damper cylinder is filled with damping liquid, and the outer wall of piston is in sealed contact with the inner wall of damper cylinder, and the outer wall of damper cylinder right side is equipped with external thread buckle, and the inner wall left side of connecting pipe is equipped with internal thread buckle, and connecting pipe is screwedly sleeved on damper cylinder through the cooperation of internal thread buckle and external thread buckle, and the cooperation of external thread buckle is screwedly sleeved on damper cylinder and is provided with stop ring, and the right end of stop ring is tightly pressed in the left end of connecting pipe, and the right side of connecting pipe inner wall is equipped with internal thread connection buckle, and the right end of displacement protection sleeve is fixedly connected with sealing plate, and the outer wall right side of displacement protection sleeve is equipped with external thread connection buckle, and displacement protection sleeve is screwedly sleeved in connecting pipe through the cooperation of external thread connection buckle and internal thread connection buckle, and the right end of damper cylinder is abutted on the left end of displacement protection sleeve, and four groups of connecting bolts are inserted in the annular array of sealing plate, and the right end of connecting pipe is equipped with four groups of screw holes in cooperation with connecting bolt, and sealing plate is coveringly installed on connecting pipe through the cooperation of connecting bolt and screw hole, and the left end of piston rod is screwedly sleeved with first end connecting lug, and the right end of sealing plate is fixedly provided with last end connecting lug.

[0010] Preferably, a positioning screw hole is vertically and communicatively arranged on the outer wall of the first end connecting lug and at the connecting position of the first end connecting lug and the piston rod, and a anti-loosening bolt is screwedly arranged in the positioning screw hole.

[0011] Preferably, two sealing grooves are arranged on the inner wall of each of the two guide sleeves, and two sealing rings are arranged in the two sealing grooves of each of the two guide sleeves.

[0012] Preferably, a ring-shaped sealing gasket is sleeved on the outer wall of the right side of the displacement protection sleeve.

[0013] Preferably, a plurality of anti-slip strips are annularly and fixedly arranged on the outer wall of the stop ring.

[0014] The beneficial effects of the utility model compared with prior art are: when using, the length of damper cylinder can be adjusted through the threaded connection of damper cylinder and connecting pipe, the total length of damper is adjusted, after the length is adjusted properly, the connecting pipe is locked by locking ring, the length does not change any more, the minimum length of damper can be limited through the displacement protection sleeve connected in the connecting pipe, the effective displacement of damper is ensured, through the first end connecting lug and the end connecting lug on both sides, the connecting piece of construction site can be connected through pin shaft, thereby the installation of damper is completed, because the installation length of damper is adjustable, the positioning, welding and paint spraying work of connecting piece can be carried out in advance in the construction of building site, after damper is transported to reach, the length of damper is adjusted, direct installation can be carried out, thereby it is not necessary to wait for the installation of damper, the construction period is effectively shortened, through the adjustment of the length of damper, the connection of damper can be adapted to the position of connecting piece of construction site, installation error is effectively avoided, and the normal use of damper is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the isometric structural schematic diagram of the utility model;

[0016] Figure 2 is the front view structural schematic diagram of the utility model;

[0017] Figure 3 is the isometric sectional structural schematic diagram of the utility model;

[0018] Figure 4 is the front view structural schematic diagram of the utility model Figure 3 ;

[0019] Figure 5 is the left view isometric structural schematic diagram of displacement protection sleeve and sealing plate connection in the utility model;

[0020] Figure 6 is the isometric sectional structural schematic diagram of guide sleeve in the utility model;

[0021] Mark in the drawing: 1, damper cylinder;2, guide sleeve;3, piston rod;4, piston;5, damping hole;6, connecting pipe;7, locking ring;8, displacement protection sleeve;9, sealing plate;10, connecting bolt;11, first end connecting lug;12, end connecting lug;13, anti-drop bolt;14, sealing ring;15, annular sealing gasket;16, anti-skid strip. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0023] Embodiments

[0024] Referring to Figures 1-6 The utility model discloses a length adjustable viscous damper, including damper cylinder 1, connecting pipe 6 and displacement protection sleeve 8, both sides of the inside of damper cylinder 1 are fixedly provided with guide sleeve 2, and damper cylinder 1 is slidably installed with piston rod 3 through the guide cooperation of guide sleeve 2, piston 4 is fixedly covered on piston rod 3, and damping hole 5 is arranged through left and right on piston 4, and damper cylinder 1 is filled with damping liquid in the inside chamber, and the outer wall of piston 4 is in sealing contact with the inner wall of damper cylinder 1, the outer wall on the right side of damper cylinder 1 is equipped with external thread buckle, and the inner wall left side of connecting pipe 6 is equipped with internal thread buckle, and connecting pipe 6 is screwed on damper cylinder 1 through the cooperation of internal thread buckle and external thread buckle, and damper cylinder 1 is equipped with stop ring 7 through the cooperation of external thread buckle, and stop ring 7 is tightly pressed on the left end of connecting pipe 6, and the inner wall right side of connecting pipe 6 is equipped with internal thread connection buckle, and displacement protection sleeve 8 is fixedly connected with sealing plate 9 on the right end, and the outer wall on the right side of displacement protection sleeve 8 is equipped with external thread connection buckle, and displacement protection sleeve 8 is screwed in connecting pipe 6 through the cooperation of external thread connection buckle and internal thread connection buckle, and the right end of damper cylinder 1 is abutted on the left end of displacement protection sleeve 8, and four groups of connecting bolts 10 are inserted in annular array on sealing plate 9, and the right end of connecting pipe 6 is equipped with four groups of screw holes in cooperation with connecting bolts 10, and sealing plate 9 is covered on connecting pipe 6 through the cooperation of connecting bolts 10 and screw holes, and the left end of piston rod 3 is screwed with first end connecting lug 11, and the right end of sealing plate 9 is fixedly provided with last end connecting lug 12, when using, through the thread connection of damper cylinder 1 and connecting pipe 6, the length of damper cylinder 1 can be adjusted, realizes the adjustment of damper total length, after length adjustment is proper, through the locking of stop ring 7, connecting pipe 6 is locked, and the length does not change any more, through the displacement protection sleeve 8 of internal thread connection of connecting pipe 6, the minimum length of damper adjustable can be limited, ensures the effective displacement of damper, through the first end connecting lug 11 and last end connecting lug 12 of both sides, can be connected with the connecting piece of construction site through the pin shaft, thereby completes the installation of damper, because the installation length of damper is adjustable, the positioning, welding and paint spraying work of connecting piece can be carried out in advance in the construction of building site, after damper transportation arrives, adjusts the length of damper, directly installs, thereby need not wait for the installation of damper, effectively shortens the construction period, through the adjustment of damper length, can make the connection of damper and the position of connecting piece of construction site adapt, effectively avoids the installation error, ensures the normal use of damper.

[0025] The outer wall of the first end connecting lug 11 is vertically communicated with the connecting position of the piston rod 3 and is provided with a positioning screw hole, and a anti-loosening bolt 13 is screwed on the positioning screw hole; by setting the anti-loosening bolt 13, after the first end connecting lug 11 is screwed on the piston rod 3, the positioning screw holes on the first end connecting lug 11 and the piston rod 3 are aligned, and then the anti-loosening bolt 13 is screwed into the positioning screw hole, so that the loosening of the first end connecting lug 11 can be effectively prevented.

[0026] Two sealing grooves are arranged on the inner walls of the two groups of guide sleeves 2, and two groups of sealing rings 14 are arranged in the two groups of guide sleeves 2 through the cooperation of the sealing grooves; by setting the sealing ring 14, the sealing performance of the cooperation between the guide sleeve 2 and the piston rod 3 can be further improved.

[0027] The outer wall of the right side of the displacement protection sleeve 8 is sleeved with an annular sealing pad 15; by setting the annular sealing pad 15, the tightness of the cooperation between the sealing plate 9 and the connecting pipe 6 can be enhanced when the sealing plate 9 is covered by the connecting bolt 10.

[0028] A plurality of anti-skid strips 16 are arranged in an annular array on the outer wall of the stop ring 7; by setting the anti-skid strips 16, the anti-skid strips 16 can be prevented from slipping when the stop ring 7 is held and rotated.

[0029] The working principle of the viscous damper with adjustable installation length is that, in use, the length of the damper cylinder 1 can be adjusted through the threaded connection between the damper cylinder 1 and the connecting pipe 6, the total length of the damper is adjusted, after the length is appropriately adjusted, the connecting pipe 6 is locked by the stop ring 7, the length is no longer changed, the displacement protection sleeve 8 connected in the connecting pipe 6 can limit the minimum length of the damper, and the effective displacement of the damper is ensured, the first end connecting lug 11 and the end connecting lug 12 on both sides can be connected with the connecting piece of the construction site through a pin shaft, so that the installation of the damper is completed.

[0030] The installation method, connection method or setting method of the viscous damper with adjustable installation length are all common mechanical methods, and as long as the beneficial effects can be achieved, the implementation can be carried out.

[0031] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A viscous damper having an adjustable installation length, characterized in that The application relates to a damper cylinder (1), a connecting pipe (6) and a displacement protection sleeve (8), the damper cylinder (1) is internally provided with guide sleeves (2) fixed at both left and right ends, a piston rod (3) is slidably installed on the damper cylinder (1) through the guide sleeves (2), a piston (4) is fixedly sleeved on the piston rod (3), damping holes (5) are formed through the piston (4) from left to right, the damper cylinder (1) is internally filled with damping liquid, the outer wall of the piston (4) is in sealing contact with the inner wall of the damper cylinder (1), an external thread buckle is arranged on the right outer wall of the damper cylinder (1), an internal thread buckle is arranged on the left inner wall of the connecting pipe (6), the connecting pipe (6) is screwedly sleeved on the damper cylinder (1) through cooperation of the internal thread buckle and the external thread buckle, a stop ring (7) is screwedly sleeved on the damper cylinder (1) through cooperation of the external thread buckle, the stop ring (7) is tightly pressed against the left end of the connecting pipe (6), an internal thread connection buckle is arranged on the right inner wall of the connecting pipe (6), a sealing plate (9) is fixedly connected to the right end of a displacement protection sleeve (8), an external thread connection buckle is arranged on the right outer wall of the displacement protection sleeve (8), the displacement protection sleeve (8) is screwedly arranged in the connecting pipe (6) through cooperation of the external thread connection buckle and the internal thread connection buckle, the right end of the damper cylinder (1) abuts against the left end of the displacement protection sleeve (8), four groups of connecting bolts (10) are inserted and arranged in an annular array on the sealing plate (9), the right end of the connecting pipe (6) is provided with four groups of threaded holes matched with the connecting bolts (10), the sealing plate (9) is coveringly arranged on the connecting pipe (6) through cooperation of the connecting bolts (10) and the threaded holes, a first end connecting lug (11) is screwedly sleeved on the left end of the piston rod (3), and a last end connecting lug (12) is fixedly arranged on the right end of the sealing plate (9).

2. A viscous damper with adjustable length of installation as claimed in claim 1, wherein, A positioning screw hole is vertically and communicatively arranged on the outer wall of the first end connecting lug (11) and the connecting position of the piston rod (3), and a anti-loosening bolt (13) is screwedly arranged on the positioning screw hole.

3. A viscous damper with adjustable length of installation as defined in claim 2, characterized in that Two groups of sealing grooves are arranged on the inner walls of the two groups of guide sleeves (2), and two groups of sealing rings (14) are arranged in the two groups of guide sleeves (2) through cooperation of the sealing grooves.

4. A viscous damper with adjustable length of installation as defined in claim 3, characterized in that, An annular sealing gasket (15) is sleeved on the right outer wall of the displacement protection sleeve (8).

5. A viscous damper with adjustable length of installation as defined in claim 4, characterized in that A plurality of anti-skid strips (16) are fixedly arranged in an annular array on the outer wall of the stop ring (7).

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