CN210565949U - Damper damping adjustment mechanism - Google Patents

Damper damping adjustment mechanism Download PDF

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Publication number
CN210565949U
CN210565949U CN201921099115.5U CN201921099115U CN210565949U CN 210565949 U CN210565949 U CN 210565949U CN 201921099115 U CN201921099115 U CN 201921099115U CN 210565949 U CN210565949 U CN 210565949U
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CN
China
Prior art keywords
ratchet wheel
tooth ratchet
shell
damper
pawl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201921099115.5U
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Chinese (zh)
Inventor
王勇
刘鹏
陈宝亮
张佳峰
马书豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei University of Technology
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Hefei University of Technology
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Publication date
Application filed by Hefei University of Technology filed Critical Hefei University of Technology
Priority to CN201921099115.5U priority Critical patent/CN210565949U/en
Application granted granted Critical
Publication of CN210565949U publication Critical patent/CN210565949U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a damper damping adjusting mechanism, which comprises a first component and more than one second component; the first component comprises an operation knob, an internal tooth ratchet wheel, a driving pawl, a non-return pawl, a rotating body, a torsion spring and a first shell, the driving pawl is rotatably installed on one side surface, facing the internal tooth ratchet wheel, of the flange and meshed with the internal tooth ratchet wheel, and the non-return pawl is rotatably connected to the outer surface of the first shell and meshed with the internal tooth ratchet wheel; the second component comprises a swing rod, an external tooth ratchet wheel, a pushing pawl, a spring and a second shell, the external tooth ratchet wheel is fixedly connected with a damping adjusting knob of the damper, and the pushing pawl is rotatably installed on the swing rod and meshed with the external tooth ratchet wheel; the rotating body of the first component is connected with the swing rod of each second component through a connecting piece. The utility model discloses can follow the outside and adjust the damping size of one or the synchronous adjustment attenuator more than two.

Description

Damper damping adjustment mechanism
Technical Field
The utility model relates to a attenuator field, specifically speaking relate to a attenuator damping adjustment mechanism.
Background
With the continuous improvement of living standard, the medical care consciousness of people is continuously enhanced, and a series of rehabilitation products, such as various rehabilitation training devices, are also successively provided in the field of medical rehabilitation.
The rehabilitation training device generally uses a damper to provide resistance, so that a trainer can overcome certain resistance to train and enhance the training effect, the damper is an existing component, in order to meet the requirements of different damping of different users, the damper capable of adjusting the damping is generally selected, as shown in fig. 1, the damper comprises a cylinder body 01, an expansion link 02 and a damping adjusting knob 03, the damper is an existing device, the structure, the installation and the using method of the damper are common knowledge in the field, and for the sake of brevity and no repeated description, under the condition, when the damper is not exposed, the adjustment is inconvenient, when the number of the dampers is large, the adjustment operation is also inconvenient respectively, and if an adjusting mechanism capable of adjusting the damping size of one or more than two dampers from the outside can be designed, the adjusting mechanism has a very good application prospect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a damping ware damping adjustment mechanism of damping size that can follow the outside and adjust one or two or more dampers in step is provided.
In order to solve the technical problem, the utility model discloses a following technical scheme: a damper damping adjustment mechanism comprises a first component and more than one second component;
the first component comprises an operation knob, an internal tooth ratchet wheel, a driving pawl, a non-return pawl, a rotating body, a torsion spring and a first shell, the internal tooth ratchet wheel is sleeved on the operation knob in a rotating way, the rotating body is movably sleeved in the first shell, the rotating body is fixedly connected with the operating knob, the operating knob is provided with a circle of flange extending outwards, the inner tooth ratchet wheel is positioned between the flange and the rotating body, the driving pawl is rotatably installed on one side surface of the flange facing the inner tooth ratchet wheel and meshed with the inner tooth ratchet wheel, the check pawl is rotatably connected to the outer surface of the first shell and is meshed with the internal tooth ratchet wheel, the torsion spring is positioned in the shell, one end of the torsion spring is hooked on the first shell, and the other end of the torsion spring is hooked on the rotating body and used for resetting the rotating body;
the second component comprises a swing rod, an external tooth ratchet wheel, a pushing pawl, a spring and a second shell, the external tooth ratchet wheel is fixedly connected with a damping adjusting knob of the damper, one end of the swing rod is rotatably connected to a telescopic rod of the damper, the pushing pawl is rotatably installed on the swing rod and meshed with the external tooth ratchet wheel, the second shell is fixed on the damper and covers the external tooth ratchet wheel, and the spring is configured to generate elastic force for resetting the swing rod;
the rotating body of the first component is connected with the swing rod of each second component through a connecting piece.
Further, the connecting piece is a rope.
Furthermore, the connecting piece movably penetrates through a lug arranged on the second shell, and the spring is arranged on the connecting piece in a penetrating mode.
Furthermore, the rotating body and the operation knob are fixedly connected in a key connection mode, and the external tooth ratchet wheel is fixedly connected with the damping adjusting knob of the damper in a key connection mode.
Furthermore, a pipe clamp is connected to the second shell, and the second shell is clamped on the damper through the pipe clamp.
Furthermore, one side of the second shell, corresponding to the swing rod and the pushing pawl, is open.
The beneficial effects of the utility model are embodied in:
the utility model discloses a subassembly one can set up externally, give subassembly two through connecting piece transmission drive, need adjust several attenuator, just set up several subassembly two, during the use, through operation knob, the drive pawl drives internal tooth ratchet, the non return pawl slides from the ratchet surface of internal tooth ratchet, operation knob drives the rotor motion simultaneously, the rotor drives the pendulum rod through the lasso and rotates certain angle, promote the pawl and make external tooth ratchet follow and turn over certain angle, and then the damping adjust knob that the external tooth ratchet drove the attenuator rotates, with this damping size of regulation, when loosening operation knob, under the torsional spring effect, the rotor resets, non return ratchet prevents internal tooth ratchet this moment, the pendulum rod resets under spring action, it draws at the back of the tooth of external tooth ratchet to promote the pawl, external tooth ratchet static is motionless this moment, the damping keeps unchangeable.
Of course, the utility model can be used for adjusting other devices as long as it is suitable.
Drawings
Fig. 1 is a schematic structural view of a conventional damper.
Fig. 2 is a schematic structural diagram of a damping adjustment mechanism of a damper according to an embodiment of the present invention.
Fig. 3 is an exploded view of the structure of the first component shown in fig. 2.
Fig. 4 is a schematic perspective view of the second assembly shown in fig. 2.
Fig. 5 is a schematic view of the assembly two shown in fig. 2 mounted on the damper shown in fig. 1.
The components in the drawings are labeled as follows: 01 cylinder body, 02 telescopic rod, 03 damping adjusting knob, 11 operating knob, 12 internal tooth ratchet wheels, 13 driving pawls, 14 non-return pawls, 15 rotating bodies, 16 torsion springs, 17 first shell body, 18 flange, 21 swing rod, 22 external tooth ratchet wheels, 23 pushing pawls, 24 springs, 25 second shell body, 26 pipe clamps and 3 ropes.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
See fig. 1-5.
The damping adjusting mechanism of the damper comprises a first component and more than one second component;
the first subassembly includes operation knob 11, internal tooth ratchet 12, drive pawl 13, non return pawl 14, rotor 15, torsional spring 16 and a casing 17, internal tooth ratchet 12 rotates the cover and establishes outside operation knob 11, rotor 15 activity cover is established in a casing 17, rotor 15 with operation knob 11 rigid coupling, be equipped with the round flange 18 that outwards stretches out on operation knob 11, internal tooth ratchet 12 is located flange 18 with between the rotor 15, drive pawl 13 rotates to be installed flange 18 towards the side of internal tooth ratchet 12 and with internal tooth ratchet 12 meshes mutually, non return pawl 14 rotates to be connected the surface of a casing 17 also and with internal tooth ratchet 12 meshes mutually, torsional spring 16 is located in the casing and torsional spring 16's an end hook is in on a casing 17, the other end of the torsion spring 16 is hooked on the rotating body 15 for resetting the rotating body 15;
the second component comprises a swing rod 21, an external gear ratchet wheel 22, a pushing pawl 23, a spring 24 and a second shell 25, the external gear ratchet wheel 22 is fixedly connected with a damping adjusting knob 03 of a damper, one end of the swing rod 21 is rotatably connected to a telescopic rod 02 of the damper, the pushing pawl 23 is rotatably mounted on the swing rod 21 and meshed with the external gear ratchet wheel 22, the second shell 25 is fixed on the damper and covers the external gear ratchet wheel 22, and the spring 24 is configured to generate elastic force for resetting the swing rod 21;
the rotating body 15 of the first component is connected with the swing rod 21 of each second component through a connecting piece.
Preferably, the connecting piece is a rope 3, the rope can be used for conveniently changing the force application direction, such as a pulley, the installation requirement is low, and the practicability is better. Preferably, the first shell 17 is provided with a yielding hole for the connecting piece to penetrate out, and the structure is more reasonable.
Need adjust several attenuator, just set up several subassembly two, in the use, through operation knob, the drive pawl drives the rotation of internal tooth ratchet, the non return pawl slides from the ratchet surface of internal tooth ratchet, operation knob drives the rotor motion simultaneously, the rotor drives the pendulum rod through the lasso and rotates certain angle, promote the pawl and make external tooth ratchet follow turn over certain angle, and then external tooth ratchet drives the damping adjust knob rotation of attenuator, with this regulation damping size, when loosening operation knob, under the torsional spring effect, the rotor resets, non return ratchet prevents the rotation of internal tooth ratchet this moment, the pendulum rod resets under the spring action, it draws at external tooth ratchet's ratchet tooth back of the body to promote the pawl, external tooth ratchet static is motionless this moment, the damping keeps unchangeable.
In one embodiment, the outer peripheral surface of the internal tooth ratchet wheel 12 is provided with damping scales, so that the current damping value can be visually reflected, and the operation is more convenient.
Preferably, referring to fig. 2, the rope 3 passes through a protrusion disposed on the second housing 25, and the spring 24 is disposed on the connecting member 3 and between the protrusion and the swing link. Design like this, need not the both ends of fixed spring, the pulling connecting piece just can compress the spring, and when loosening again, the spring extends just can promote the pendulum rod and reset.
In one embodiment, referring to fig. 2, the rotating body 15 is fixedly connected with the operating knob 11 by a key connection, and the external ratchet 22 is fixedly connected with the damping adjusting knob 03 of the damper by a key connection. By the design, the installation is convenient, the disassembly can be realized, and the practicability is better.
In one embodiment, referring to fig. 2 and 5, a pipe clamp 26 is connected to the second housing 25, and the second housing 25 is clamped on the cylinder 01 of the damper through the pipe clamp 26. The design is simple and reasonable in structure and easy to implement.
It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present invention, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims (6)

1. A damper damping adjustment mechanism is characterized in that: comprises a first component and more than one second component;
the first component comprises an operation knob, an internal tooth ratchet wheel, a driving pawl, a non-return pawl, a rotating body, a torsion spring and a first shell, the internal tooth ratchet wheel is sleeved on the operation knob in a rotating way, the rotating body is movably sleeved in the first shell, the rotating body is fixedly connected with the operating knob, the operating knob is provided with a circle of flange extending outwards, the inner tooth ratchet wheel is positioned between the flange and the rotating body, the driving pawl is rotatably installed on one side surface of the flange facing the inner tooth ratchet wheel and meshed with the inner tooth ratchet wheel, the check pawl is rotatably connected to the outer surface of the first shell and is meshed with the internal tooth ratchet wheel, the torsion spring is positioned in the shell, one end of the torsion spring is hooked on the first shell, and the other end of the torsion spring is hooked on the rotating body and used for resetting the rotating body;
the second component comprises a swing rod, an external tooth ratchet wheel, a pushing pawl, a spring and a second shell, the external tooth ratchet wheel is fixedly connected with a damping adjusting knob of the damper, one end of the swing rod is rotatably connected to a telescopic rod of the damper, the pushing pawl is rotatably installed on the swing rod and meshed with the external tooth ratchet wheel, the second shell is fixed on the damper and covers the external tooth ratchet wheel, and the spring is configured to generate elastic force for resetting the swing rod;
the rotating body of the first component is connected with the swing rod of each second component through a connecting piece.
2. The damper adjustment mechanism of claim 1, wherein: the connecting piece is a rope.
3. The damper damping adjustment mechanism of claim 1 or 2, wherein: the connecting piece movably penetrates through the convex block arranged on the second shell, and the spring is arranged on the connecting piece in a penetrating mode.
4. The damper damping adjustment mechanism of claim 1 or 2, wherein: the rotor with the rigid coupling is realized through the mode of key-type connection to operation knob, the rigid coupling is realized through the mode of key-type connection to the damping adjust knob of external tooth ratchet and attenuator.
5. The damper damping adjustment mechanism of claim 1 or 2, wherein: and the second shell is connected with a pipe clamp, and the second shell is hooped on the damper through the pipe clamp.
6. The damper damping adjustment mechanism of claim 1 or 2, wherein: one side of the second shell, corresponding to the swing rod and the pushing pawl, is open.
CN201921099115.5U 2019-07-12 2019-07-12 Damper damping adjustment mechanism Withdrawn - After Issue CN210565949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921099115.5U CN210565949U (en) 2019-07-12 2019-07-12 Damper damping adjustment mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921099115.5U CN210565949U (en) 2019-07-12 2019-07-12 Damper damping adjustment mechanism

Publications (1)

Publication Number Publication Date
CN210565949U true CN210565949U (en) 2020-05-19

Family

ID=70634281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921099115.5U Withdrawn - After Issue CN210565949U (en) 2019-07-12 2019-07-12 Damper damping adjustment mechanism

Country Status (1)

Country Link
CN (1) CN210565949U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230656A (en) * 2019-07-12 2019-09-13 合肥工业大学 A kind of damper damper regulation mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230656A (en) * 2019-07-12 2019-09-13 合肥工业大学 A kind of damper damper regulation mechanism
CN110230656B (en) * 2019-07-12 2024-01-26 合肥工业大学 Damping adjusting mechanism of damper

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