CN110094446A - A kind of damper - Google Patents

A kind of damper Download PDF

Info

Publication number
CN110094446A
CN110094446A CN201910222557.2A CN201910222557A CN110094446A CN 110094446 A CN110094446 A CN 110094446A CN 201910222557 A CN201910222557 A CN 201910222557A CN 110094446 A CN110094446 A CN 110094446A
Authority
CN
China
Prior art keywords
shaft
screw rod
sealing cavity
cover board
cylinder body
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.)
Pending
Application number
CN201910222557.2A
Other languages
Chinese (zh)
Inventor
方立锋
李强
方先尧
韩泽炳
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.)
Shentong Technology Group Co Ltd
Original Assignee
Shentong Technology Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shentong Technology Group Co Ltd filed Critical Shentong Technology Group Co Ltd
Priority to CN201910222557.2A priority Critical patent/CN110094446A/en
Publication of CN110094446A publication Critical patent/CN110094446A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/10Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • F16F9/3242Constructional features of cylinders of cylinder ends, e.g. caps

Abstract

The invention discloses a kind of dampers, cylinder body, cover board and shaft including upper end with opening, the cover board is located at the opening of cylinder body, cover board and cylinder body form a sealing cavity, damping oil are full of in the sealing cavity, the shaft passes through cover board and cover board is rotatablely connected, one end of shaft is located in sealing cavity, the other end of shaft is connected with rotate gear, and damping wheel is additionally provided in the sealing cavity, and the damping wheel and shaft are coaxially disposed.By conducting damping wheel resistance suffered in damping oil to rotate gear, Lai Shixian slowing effect, this programme has stable structure, easy for installation, the beneficial effects such as practical.

Description

A kind of damper
Technical field
The present invention relates to a kind of deceleration devices, more particularly, to a kind of damper.
Background technique
Existing damper is the resistance that is rotated in viscous fluid by rotor mostly to reach slowing effect, and such Damper is since its sealing requirements is higher, and structure is complicated mostly, inconvenient and installation, while manufacturing cost is higher;
For example, one kind disclosed " rotary damper ", notification number CN102966282B in Chinese patent literature, including have It is filled with the shell of the room of viscous fluid;At least part is accommodated in above-mentioned interior, certainly for above-mentioned shell relative rotation Rotary shaft such as;It is located in any one of above-mentioned shell and above-mentioned rotary shaft, and at least has the axial direction in above-mentioned rotary shaft The first torque extended generates the first torque generating means in face;And be located at above-mentioned shell and above-mentioned rotary shaft another On, have the second torque generating means in the second torque generation face that can be opposed with above-mentioned first torque generation face, and by upper State the viscous drag generation torque for the viscous fluid that the first torque generates between face and above-mentioned second torque generation face.Program energy Enough achieve the effect that promote damping, but structure is complicated for cylinder interior, installation processing is inconvenient, not very practical.
Summary of the invention
The present invention be in order to overcome the installation inconvenience of the prior art, higher cost, it is not very practical the problems such as, one kind is provided It is easily installed and practical damper.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of damper, cylinder body, cover board and shaft including upper end with opening, characterized in that the cover board is located at cylinder body Opening, cover board and cylinder body form a sealing cavity, are full of damping oil in the sealing cavity, the shaft passes through Cover board and cover board are rotatablely connected, and one end of shaft is located in sealing cavity, and the other end of shaft is connected with rotate gear, described Damping wheel is additionally provided in sealing cavity, the damping wheel and shaft are coaxially disposed.Damping oil in this programme is usually using silicon Grease can change the resistance of damper by adjusting the viscosity and molecular chaperones of grease of silicone fluid, and damping wheel is to meet structural strength, together When in grease of silicone fluid the demands such as uniform force, it is preferable to use stable structure three leaf runners, through three leaf runners in grease of silicone fluid Rotation stress, can guarantee drag uniform suffered by rotate gear stablize, play the effect of damper, meanwhile, cover board and cylinder Body can guarantee the sealing performance of device, overall structure is simple, is easily installed, suitable for mass production by being welded to connect.
Preferably, the junction of the shaft and cover board is equipped with sealing ring.The setting of sealing ring, can be avoided damping fluid By flowing out in cavity, the stability of device is improved.
Preferably, the junction of the junction of the shaft and rotate gear, shaft and damping wheel is equipped with connection Block, the link block are fixedly connected with shaft, and the link block is in " cross " type, in the rotate gear and damping wheel Equipped with " cross " slot cooperated with link block.The design of " cross " type link block can guarantee the coaxial of rotate gear and shaft The case where spending, preventing rotate gear and damping wheel from shaking during exercise, improves the stability of device.
Preferably, the shaft is located at one end in sealing cavity equipped with screw rod, the screw rod and shaft are coaxial Setting, the sealing cavity is interior to be equipped with the screw rod sliding block for being close to inboard wall of cylinder block, and the screw rod sliding block is slidably connected with cylinder body, The screw rod sliding block is equipped with the screw through hole for being socketed with screw rod.The setting of screw rod sliding block and screw rod, in rotate gear Sealing cavity is divided into two cavitys by screw rod sliding block when movement, and screw rod slide block movement is that damping fluid exchanges between two cavitys, By damping fluid in sealing cavity to the restriction effect of screw rod slide block movement, the damping capacity of damper is improved.
Preferably, two oppositely oriented and cross one another helicla flutes are provided on the outer ring surface of the screw rod, it is described Helicla flute be arranged along the axial direction of screw rod, the ends of two helicla flutes is connected, and fixture block, the card are equipped in the screw through hole Block is slidably connected in helicla flute.The setting of double spiral groove and fixture block, when screw rod rotation, screw rod sliding block can carry out past along screw rod Multiple movement, so that whole device realizes the effect of automatic running, without human intervention.
Preferably, being equipped with sluice way in the cylinder body, one end of the sluice way is connected with the bottom end of sealing cavity, The other end of sluice way is connected with the open end of sealing cavity.The setting of sluice way guarantees the pressure difference in sealing cavity, avoids Hypertonia damages damping wheel, guarantees the stability of device, extends the service life of damper.
Preferably, the sluice way is equipped with oil filler, described oil filler one end is connect with sluice way, oil filler The other end and cylinder body external connection, the oil filler be equipped with check valve.The setting of oil filler and check valve, can be from outer Portion carries out repairing operation, avoids air in sealing cavity excessive, impacts to damper, meanwhile, it is capable to reduce installation error.
Preferably, being installed with ring baffle in the shaft, the ring baffle is located at damping wheel and screw rod is sliding Between block.The setting of ring baffle can be avoided screw rod sliding block and contact with damping wheel, and ring baffle is made of elastic material, It avoids that rigid collision occurs with screw rod sliding block or damping wheel, improves the stability of device.
Therefore, the invention has the following beneficial effects:
(1) drag size is stablized;
(2) damping capacity is good;
(3) it is easily installed, is easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Fig. 2 is the connection schematic diagram of rotate gear in the present invention.
Fig. 3 is the structural schematic diagram of damping wheel in the present invention.
Fig. 4 is the structural schematic diagram of screw rod in the present invention.
In figure: 1- cylinder body 2- cover board 3- shaft 4- sealing cavity 5- rotate gear 6- damping wheel 7- sealing ring 8- Link slot 9- screw rod 10- screw rod sliding block 11- fixture block 12- sluice way 13- oil filler 14- check valve 15- ring baffle.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
Embodiment: a kind of damper as shown in Figure 1, Figure 2, Figure 3 and Figure 4, cylinder body 1, lid including upper end with opening Plate 2 and shaft 3, cover board 2 are located at the opening of cylinder body 1, and cover board 2 and 1 body of cylinder form a sealing cavity 4, fill in sealing cavity 4 Full damping oil, shaft 3 passes through cover board 2 and cover board 2 is rotatablely connected, and one end of shaft 3 is located in sealing cavity 4, and end is connected with Screw rod 9, the other end of shaft 3 are connected with rotate gear 5, and damping wheel 6 is additionally provided in sealing cavity 4, and damping wheel 6 and shaft 3 are same The junction of axis setting, shaft 3 and cover board 2 is equipped with sealing ring 7, junction, shaft 3 and the damping wheel of shaft 3 and rotate gear 5 6 junction is equipped with link block, and link block is fixedly connected with shaft 3, and link block is in " cross " type, rotate gear 5 and damping Wheel 6 is equipped with the link slot 8 of " cross " type cooperated with link block, and screw rod 9 and shaft 3 are coaxially disposed, are equipped in sealing cavity 4 It is close to the screw rod sliding block 10 of 1 inner wall of cylinder body, screw rod sliding block 10 is slidably connected with cylinder body 1, and screw rod sliding block 10 is equipped with being used for and spiral shell The screw through hole that bar 9 is socketed is provided with two oppositely oriented and cross one another helicla flutes, helicla flute on the outer ring surface of screw rod 9 Along the axial direction setting of screw rod 9, the end of two helicla flutes is connected, and fixture block 11 is equipped in screw through hole, fixture block 11 is slidably connected at In helicla flute, sluice way 12 is equipped in cylinder body 1, one end of sluice way 12 is connected with the bottom end of sealing cavity 4, sluice way 12 it is another One end is connected with the open end of sealing cavity 4, and sluice way 12 is equipped with oil filler 13, and 13 one end of oil filler and sluice way 12 connect It connects, the other end and 1 external connection of cylinder body of oil filler 13, oil filler 13 are equipped with check valve 14, are fixedly provided with annular in shaft Baffle 15, ring baffle 15 is between damping wheel 6 and screw rod sliding block 10.
Damping oil in this programme uses grease of silicone fluid, can change damper by adjusting the viscosity and molecular chaperones of grease of silicone fluid Resistance, damping wheel 6 be meet structural strength, while in grease of silicone fluid the demands such as uniform force, it is preferable to use stable structure Three leaf runners can guarantee that drag uniform suffered by rotate gear 5 is stablized by rotation stress of the three leaf runners in grease of silicone fluid, The effect of damper is played, meanwhile, cover board 2 and cylinder body 1 are welded to connect, and the setting of sealing ring 7 between shaft 2 and cover board 1 can Guarantee that the sealing performance of device, the design of " cross " type link block can guarantee the concentricity of rotate gear 5 Yu shaft 6, prevent The case where rotate gear 5 and damping wheel 6 shake during exercise, the setting of screw rod sliding block 10 and screw rod 9, in rotate gear 5 Screw rod sliding block 10 is divided to sealing cavity 4 to the setting of double spiral groove and fixture block 11 for two cavitys when movement, when screw rod 9 rotates, Screw rod sliding block 10 can move back and forth along screw rod 9, and screw rod sliding block 10 moves so that damping fluid exchanges between two cavitys, lead to The restriction effect that damping fluid moves screw rod sliding block 10 in sealing cavity 4 is crossed, the damping capacity of damper is improved, sluice way 12 Setting guarantees the pressure difference in sealing cavity 4, avoids hypertonia from damaging damping wheel 6, oil filler 13 and check valve 14 Setting, repairing operation can be carried out from outside, avoid in sealing cavity 4 that air is excessive, damper is impacted, meanwhile, Installation error can be reduced, the setting of ring baffle 15 can be avoided screw rod sliding block 10 and contact with damping wheel 6, ring baffle 15 It is made of elastic material, avoids that rigid collision occurs with screw rod sliding block 10 or damping wheel 6, improve the stability of device.

Claims (8)

1. a kind of damper, cylinder body, cover board and shaft including upper end with opening, characterized in that the cover board is located at cylinder The opening of body, cover board and cylinder body form a sealing cavity, are full of damping oil in the sealing cavity, the shaft is worn It crosses cover board and cover board is rotatablely connected, one end of shaft is located in sealing cavity, and the other end of shaft is connected with rotate gear, described Sealing cavity in be additionally provided with damping wheel, the damping wheel and shaft are coaxially disposed.
2. a kind of damper according to claim 1, characterized in that the junction of the shaft and cover board is equipped with sealing Circle.
3. a kind of damper according to claim 1, characterized in that the junction of the shaft and rotate gear turns The junction of axis and damping wheel is equipped with link block, and the link block is fixedly connected with shaft, and the link block is in " ten Word " type, the rotate gear and damping wheel are equipped with " cross " the type link slot cooperated with link block.
4. a kind of damper according to claim 1, characterized in that set on one end that the shaft is located in sealing cavity There is screw rod, the screw rod and shaft are coaxially disposed, and the screw rod sliding block for being close to inboard wall of cylinder block, institute are equipped in the sealing cavity Screw rod sliding block and the cylinder body stated are slidably connected, and the screw rod sliding block is equipped with the screw through hole for being socketed with screw rod.
5. a kind of damper according to claim 4, characterized in that be provided with two rotation directions on the outer ring surface of the screw rod Opposite and cross one another helicla flute, the helicla flute are arranged along the axial direction of screw rod, and the end of two helicla flutes is connected, described Fixture block is equipped in screw through hole, the fixture block is slidably connected in helicla flute.
6. a kind of damper according to claim 1, characterized in that be equipped with sluice way, the drainage in the cylinder body The one end in road is connected with the bottom end of sealing cavity, and the other end of sluice way is connected with the open end of sealing cavity.
7. a kind of damper according to claim 6, characterized in that the sluice way is equipped with oil filler, described Oil filler one end is connect with sluice way, and the other end and cylinder body external connection of oil filler, the oil filler are equipped with check valve.
8. according to claim 1 to a kind of damper described in 7 any one, characterized in that be installed with ring in the shaft Shape baffle, the ring baffle is between damping wheel and screw rod sliding block.
CN201910222557.2A 2019-03-22 2019-03-22 A kind of damper Pending CN110094446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910222557.2A CN110094446A (en) 2019-03-22 2019-03-22 A kind of damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910222557.2A CN110094446A (en) 2019-03-22 2019-03-22 A kind of damper

Publications (1)

Publication Number Publication Date
CN110094446A true CN110094446A (en) 2019-08-06

Family

ID=67443298

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910222557.2A Pending CN110094446A (en) 2019-03-22 2019-03-22 A kind of damper

Country Status (1)

Country Link
CN (1) CN110094446A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245878A (en) * 2021-06-22 2021-08-13 河南卫华重型机械股份有限公司 Damping anti-vibration supporting device for turning of crane cylinder

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003130115A (en) * 2001-10-23 2003-05-08 Oiles Ind Co Ltd Damper
JP2003176844A (en) * 2001-12-12 2003-06-27 Oiles Ind Co Ltd Damper
CN101158384A (en) * 2007-10-29 2008-04-09 张家港市优希宏达机电厂 Buffering mechanism
CN201096163Y (en) * 2007-10-29 2008-08-06 张家港市优希宏达机电厂 Buffering device
CN204172072U (en) * 2014-09-02 2015-02-25 浙江欧美嘉五金有限公司 A kind of automatic vegetable-cutting plate
CN107289061A (en) * 2017-08-02 2017-10-24 汤树人 A kind of electromagnetic fluid body damper with multimode damping characteristic
CN208557324U (en) * 2018-06-26 2019-03-01 天津市鹏宇工贸有限公司 A kind of casting die mounting seat conveniently repaired

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003130115A (en) * 2001-10-23 2003-05-08 Oiles Ind Co Ltd Damper
JP2003176844A (en) * 2001-12-12 2003-06-27 Oiles Ind Co Ltd Damper
CN101158384A (en) * 2007-10-29 2008-04-09 张家港市优希宏达机电厂 Buffering mechanism
CN201096163Y (en) * 2007-10-29 2008-08-06 张家港市优希宏达机电厂 Buffering device
CN204172072U (en) * 2014-09-02 2015-02-25 浙江欧美嘉五金有限公司 A kind of automatic vegetable-cutting plate
CN107289061A (en) * 2017-08-02 2017-10-24 汤树人 A kind of electromagnetic fluid body damper with multimode damping characteristic
CN208557324U (en) * 2018-06-26 2019-03-01 天津市鹏宇工贸有限公司 A kind of casting die mounting seat conveniently repaired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245878A (en) * 2021-06-22 2021-08-13 河南卫华重型机械股份有限公司 Damping anti-vibration supporting device for turning of crane cylinder

Similar Documents

Publication Publication Date Title
CN110094446A (en) A kind of damper
CN101737449B (en) Screw rod type magnetorheological rotary damper
CN206668011U (en) Door hinge with pooling feature
CN206917483U (en) Door hinge with pooling feature
CN103312117B (en) Permanent-magnet speed governor
CN103625233A (en) Integrated Inerter suspension for vehicle
CN110735886B (en) Inertial container with variable inertial mass coefficient for commercial vehicle under self-adaptive working condition
CN109915364A (en) A kind of tooth transmission screw compressor
CN110220113A (en) A kind of pressure-air storage body pressure control device
CN207048533U (en) Door hinge with pooling feature
CN107288457A (en) Wide-angle door hinge
CN112503130A (en) Magneto-rheological rotary damper
CN206342371U (en) A kind of conditioner
CN201572035U (en) Cushioning device for closestool cover board
CN208177312U (en) A kind of novel material mixing and blending machine
CN110499984A (en) A kind of mandrel and device have the anti-violence universal hydraulic hinge of the mandrel
CN108105319A (en) A kind of adjustable damper of damping
CN201288784Y (en) Rotational dampers
CN205504133U (en) Two -period form electronic expansion valve
CN204459303U (en) Heavy caliber slope block-type safety check
CN208363899U (en) Micro hydraulic shutting window device
CN111765193B (en) Suspension eddy current type piston damper
CN112610591B (en) Circular damper with adjustable damping
CN204876974U (en) Vertical automatic door closer
CN201152134Y (en) Balance type rapid soft curtain door

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190806