Damping-adjustable steel spring vibration isolator

Abstract

The damping-adjustable steel spring vibration isolator comprises a shell, a top seat and a bottom seat, the upper surface of the bottom seat is movably connected with a first supporting rod, the upper end of the first supporting rod is fixedly connected with a damping cylinder, a liquid damping material is arranged in the damping cylinder, the lower surface of the top seat is fixedly connected with a second supporting rod, and the second supporting rod is fixedly connected with the bottom seat. A rotating rod is fixedly connected to the inner top of the second supporting rod, a threaded cylinder is rotatably connected to the exterior of the rotating rod, four rotating holes are formed in the side surface of the threaded cylinder, a threaded rod is in threaded connection with the interior of the threaded cylinder, and the lower end of the threaded rod extends to the exterior of the threaded cylinder and is fixedly connected with a bottom rod; the lower end of the second supporting rod extends into the damping cylinder and is fixedly connected with a piston, damping adjustment is facilitated, the structure is simple, convenience is achieved, the threaded cylinder can be prevented from rotating, the stability after adjustment can be improved after damping adjustment, and the device runs stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibration isolator, concretely to a damping adjustable steel spring vibration isolator. BACKGROUND

[0002] Vibration isolator is widely used in various mechanical equipment, is used for reducing the influence of the vibration produced when equipment runs to environment and equipment itself, is favorable to improve equipment operation stability, the damping of steel spring vibration isolator is generally fixed and difficult to adjust, and the adaptability is poor, so a damping adjustable steel spring vibration isolator is needed.

[0003] The prior art damping adjustable steel spring vibration isolator is more troublesome to replace the piston size when adjusting the damping, and the working efficiency is low, the utility model device can change the piston size without replacing the piston, thereby adjusting the damping. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of damping adjustable steel spring vibration isolators, solve the problem that it is more troublesome to replace the piston size when adjusting the damping, and the working efficiency is low.

[0005] To achieve the above object, provide a kind of damping adjustable steel spring vibration isolator, comprising: shell, top seat and base, the first support rod is movably connected on the upper surface of the base, the first support rod upper end is fixedly connected with damping cylinder, the damping cylinder is internally provided with liquid damping material, the second support rod is fixedly connected with the lower surface of the top seat, the second support rod inner top is fixedly connected with rotating rod, the rotating rod is rotatably connected with threaded cylinder outside, four rotating holes are formed in the side surface of the threaded cylinder, the threaded cylinder is internally threadedly connected with threaded rod, the threaded rod lower end extends to the outside of threaded cylinder, and is fixedly connected with bottom bar, the second support rod lower end extends to the inside of damping cylinder, and is fixedly connected with piston, the piston is arranged in liquid damping material, the piston is slidably connected with two variable blocks inside, one end of two variable blocks extends to the outside of piston, the bottom bar lower end extends to the inside of piston, the bottom bar lower end is fixedly connected with two limit sliding rods, the outer surface of two limit sliding rods is slidably connected with two variable blocks inside respectively, the size of damping is conveniently adjusted, it is simple in structure, more convenient;

[0006] The second support rod is slidably connected with limit sliding block inside, the limit sliding block is threadedly connected with second fixed bolt inside, one end of the second fixed bolt is attached to the inside of the second support rod, the limit sliding block is threadedly connected with first fixed bolt inside, one end of the first fixed bolt is movably connected with the inner wall of rotating hole, can prevent threaded cylinder from rotating, can increase the stability after adjusting, so that the device runs stably.

[0007] According to the damping adjustable steel spring vibration isolator, the lower end of the bottom rod is provided with a slope, and the side surface of the variable block is provided with a slope matched with the bottom rod, the slope of the variable block is matched with the slope of the bottom rod during the downward movement of the bottom rod, the variable block is facilitated to move, the size of the piston is indirectly changed, and the damping adjusting device is adjusted.

[0008] According to the damping adjustable steel spring vibration isolator, the lower surface of the base is fixedly connected with the inner bottom of the shell, and the upper surface of the top base is fixedly connected with the mounting cylinder, so that the mounting cylinder can provide a mounting basis for the steel spring and is convenient to mount.

[0009] According to the damping adjustable steel spring vibration isolator, the upper surface of the mounting cylinder is fixedly connected with the top cover, and the upper surface of the top cover is provided with a damping sleeve, so that the damping sleeve is used to reduce impact and improve the bearing capacity of the device.

[0010] According to the damping adjustable steel spring vibration isolator, the steel spring is arranged between the top base and the base, the upper end of the steel spring is movably connected with the inner top of the mounting cylinder, and the lower end of the steel spring is fixedly connected with the inner bottom of the shell, so that the vibration isolation capability is provided through the steel spring.

[0011] According to the damping adjustable steel spring vibration isolator, the upper end of the shell is threadedly connected with the cover, and the inner surface of the cover is movably connected with the outer surface of the cover, so that the cover can provide limiting when the mounting cylinder moves up and down, and prevent the mounting cylinder from falling off.

[0012] According to the damping adjustable steel spring vibration isolator, the cross section of the bottom rod is square, and the diameters of the top base and the base are matched with the inner diameter of the steel spring, so that the square bottom rod can provide limiting when the bottom rod moves downward through the rotating threaded cylinder.

[0013] Compared with the prior art, the damping adjustable steel spring vibration isolator has the following beneficial effects:

[0014] 1. When the damping needs to be adjusted, the staff inserts the auxiliary member into the rotating hole, the threaded cylinder is rotated on the rotating rod, the threaded hole in the threaded cylinder is matched with the thread on the threaded rod, the bottom rod and the threaded rod move downward, the slope arranged at the lower end of the bottom rod is matched with the slope of the variable block, the limiting slide rod is used to make the variable block extend when the bottom rod moves downward, the damping is increased, the variable block can be retracted when the bottom rod moves upward, the damping is reduced, the size of the piston is indirectly changed, the damping size is adjusted, and the flexibility of the device is increased.

[0015] 2. After the damping is adjusted, the limiting slide block is slid, the positioning hole on the limiting slide block is aligned with the rotating hole, then the limiting slide block is pressed and fixed through the second fixed bolt, the movement of the limiting slide block is prevented, the first fixed bolt is installed, and the first fixed bolt is inserted into the rotating hole, so that the threaded cylinder is limited, the stability after the damping is adjusted can be increased, and the device runs stably.

[0016] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of the application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in conjunction with the drawings and embodiments.

[0018] Figure 1 It is a perspective view of the damping adjustable steel spring vibration isolator of the present application;

[0019] Figure 2 It is a front view of the damping adjustable steel spring vibration isolator of the present application;

[0020] Figure 3 It is an internal structure view of the second support rod of the damping adjustable steel spring vibration isolator of the present application;

[0021] Figure 4 It is the damping adjustable steel spring vibration isolator of the present application Figure 2 It is an enlarged view of A in the damping adjustable steel spring vibration isolator of the present application.

[0022] In the figure: 1, outer shell; 2, cover; 3, damping sleeve; 4, mounting cylinder; 5, top cover; 6, steel spring; 7, first support rod; 8, base; 9, damping cylinder; 10, top base; 11, second support rod; 12, bottom rod; 13, threaded rod; 14, first fixing bolt; 15, limit sliding block; 16, second fixing bolt; 17, rotating rod; 18, threaded cylinder; 19, rotating hole; 20, liquid damping material; 21, variable block; 22, piston; 23, limit sliding rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4The utility model discloses an embodiment provides a technical scheme: a kind of damping adjustable steel spring vibration isolator, comprising: shell 1, top 10 and base 8, the upper surface of base 8 is movably connected with first support rod 7, and the upper end of first support rod 7 is fixedly connected with damping cylinder 9, and liquid damping material 20 is arranged in the inside of damping cylinder 9, for generating damping, and the lower surface of top 10 is fixedly connected with second support rod 11, and the inner top of second support rod 11 is fixedly connected with rotating rod 17, and rotating rod 17 provides rotating base for threaded cylinder 18, and threaded cylinder 18 is rotatably connected outside rotating rod 17, and four rotating holes 19 are arranged on the side surface of threaded cylinder 18, and threaded cylinder 18 is conveniently rotated by rotating hole 19, or threaded cylinder 18 is fixed, and threaded rod 13 is screw-connected in the inside of threaded cylinder 18, for driving bottom rod 12 to move downwards, and the lower end of threaded rod 13 extends to the outside of threaded cylinder 18, and is fixedly connected with bottom rod 12, and the lower end of second support rod 11 extends to the inside of damping cylinder 9, and is fixedly connected with piston 22, and piston 22 cooperates with liquid damping material 20 to generate damping, and piston 22 is arranged in liquid damping material 20, and two variable blocks 21 are slidably connected in the inside of piston 22, for indirectly changing the size of piston 22, and the one end of two variable blocks 21 extends to the outside of piston 22, and the lower end of bottom rod 12 extends to the inside of piston 22, and two limit sliding rods 23 are fixedly connected with the lower end of bottom rod 12, and limit sliding rod 23 makes variable block 21 move upwards or downwards along with bottom rod 12, and extends or retracts, and the outer surface of two limit sliding rods 23 is slidably connected with the inside of two variable blocks 21 respectively.

[0025] Limiting sliding block 15 is slidably connected in the inside of second support rod 11, so that first fixed bolt 14 can be inserted into rotating hole 19 at all times, second fixed bolt 16 is screw-connected in the inside of limiting sliding block 15, for fixing limiting sliding block 15, one end of second fixed bolt 16 is attached to the inside of second support rod 11, first fixed bolt 14 is screw-connected in the inside of limiting sliding block 15, for fixing threaded cylinder 18, and one end of first fixed bolt 14 is movably connected with the inner wall of rotating hole 19.

[0026] The lower end of bottom rod 12 is provided with inclined plane, and the side surface of variable block 21 is provided with inclined plane matched with bottom rod 12, the lower surface of base 8 is fixedly connected with the inner bottom of shell 1, the upper surface of top 10 is fixedly connected with mounting cylinder 4, the upper surface of mounting cylinder 4 is fixedly connected with top cover 5, top cover 5 is provided with damping sleeve 3 on the upper surface, for damping, steel spring 6 is arranged between top 10 and base 8, steel spring 6 has good vibration isolation capacity, the upper end of steel spring 6 is movably connected with the inner top of mounting cylinder 4, the lower end of steel spring 6 is fixedly connected with the inner bottom of shell 1, and the upper end of shell 1 is screw-connected with cover 2, for limiting, the inner surface of cover 2 is movably connected with the outer surface of cover 2, the cross section of bottom rod 12 is square, and the diameter of top 10 and the diameter of base 8 are matched with the inner diameter of steel spring 6.

[0027] Working principle: when using the device, first install the device to the appropriate position, when the top cover 5 is under pressure, the steel spring 6 has good vibration isolation capacity, then drive the second support rod 11 and the piston 22 to move and cooperate with the liquid damping material 20 to generate damping, achieve the buffering effect, when it is needed to adjust the damping of the device, the second support rod 11, the damping cylinder 9 and the first support rod 7 can be taken out after rotating and disassembling the cover 2, then the auxiliary member is inserted into the rotating hole 19, so that the threaded cylinder 18 rotates on the rotating rod 17, the threaded rod 13 and the bottom rod 12 move down, through the slope on the lower end of the bottom rod 12 and the slope of the variable block 21, the variable block 21 can be extended by the limiting slide rod 23 when the bottom rod 12 moves down, increase the damping, when the bottom rod 12 moves up, the variable block 21 can be retracted, reduce the damping, so as to indirectly change the size of the piston 22, and then change the size of the damping, increase the flexibility of the device, after the adjustment is completed, the limiting slide block 15 can be slid, so that the positioning hole on the limiting slide block 15 is aligned with the rotating hole 19, then the second fixing bolt 16 is used to extrude and fix the limiting slide block 15, the first fixing bolt 14 is installed, so that it is inserted into the rotating hole 19, prevent the threaded cylinder 18 from rotating, after adjusting the damping, the stability of the adjusted device can be increased, so that the device runs stably.

[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A damped adjustable steel spring isolator comprising: The shell (1), the top base (10) and the bottom base (8) are characterized in that the upper surface of the bottom base (8) is movably connected with a first supporting rod (7), the upper end of the first supporting rod (7) is fixedly connected with a damping cylinder (9), the inside of the damping cylinder (9) is provided with a liquid damping material (20), the lower surface of the top base (10) is fixedly connected with a second supporting rod (11), the inner top of the second supporting rod (11) is fixedly connected with a rotating rod (17), the outside of the rotating rod (17) is movably connected with a threaded cylinder (18), the side surface of the threaded cylinder (18) is provided with four rotating holes (19), the inside of the threaded cylinder (18) is threadedly connected with a threaded rod (13), the lower end of the threaded rod (13) extends to the outside of the threaded cylinder (18) and is fixedly connected with a bottom rod (12), the lower end of the second supporting rod (11) extends to the inside of the damping cylinder (9) and is fixedly connected with a piston (22), the piston (22) is arranged in the liquid damping material (20), the inside of the piston (22) is slidably connected with two variable blocks (21), one end of each of the two variable blocks (21) extends to the outside of the piston (22), the lower end of the bottom rod (12) extends to the inside of the piston (22), and the lower end of the bottom rod (12) is fixedly connected with two limiting sliding rods (23), the outer surfaces of the two limiting sliding rods (23) are respectively slidably connected with the insides of the two variable blocks (21). The inside of the second supporting rod (11) is slidably connected with a limiting sliding block (15), the inside of the limiting sliding block (15) is threadedly connected with a second fixed bolt (16), one end of the second fixed bolt (16) is attached to the inside of the second supporting rod (11), the inside of the limiting sliding block (15) is threadedly connected with a first fixed bolt (14), and one end of the first fixed bolt (14) is movably connected with the inner wall of the rotating hole (19).

2. A damper adjustable steel spring isolator as in claim 1, wherein: The lower end of the bottom rod (12) is provided with an inclined surface, and the side surface of the variable block (21) is provided with an inclined surface matched with the bottom rod (12).

3. A damper adjustable steel spring isolator as in claim 1, wherein: The lower surface of the bottom base (8) is fixedly connected with the inner bottom of the shell (1), and the upper surface of the top base (10) is fixedly connected with a mounting cylinder (4).

4. A damper adjustable steel spring isolator as in claim 3, wherein: The upper surface of the mounting cylinder (4) is fixedly connected with a top cover (5), and the upper surface of the top cover (5) is provided with a damping sleeve (3).

5. A damper adjustable steel spring isolator as in claim 1, wherein: A steel spring (6) is arranged between the top base (10) and the bottom base (8), the upper end of the steel spring (6) is movably connected with the inner top of the mounting cylinder (4), and the lower end of the steel spring (6) is fixedly connected with the inner bottom of the shell (1).

6. A damper adjustable steel spring isolator as in claim 1, wherein: The upper end of the shell (1) is threadedly connected with a cover (2), and the inner surface of the cover (2) is movably connected with the outer surface of the cover (2).

7. A damper adjustable steel spring isolator as in claim 1, wherein: The cross section of the bottom rod (12) is square, and the diameters of the top base (10) and the bottom base (8) are matched with the inner diameter of the steel spring (6).

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