CN207598707U

CN207598707U - A kind of self-locking damping attachment device and KVM switch

Info

Publication number: CN207598707U
Application number: CN201721725210.2U
Authority: CN
Inventors: 陈振教; 舒陶亮
Original assignee: Hunan Jiecheng Aerospace Electronic Equipment LLC
Current assignee: Hunan Jiecheng Aerospace Electronic Equipment LLC
Priority date: 2017-12-12
Filing date: 2017-12-12
Publication date: 2018-07-10
Anticipated expiration: 2027-12-12

Abstract

The utility model discloses a kind of self-locking damping attachment device and KVM switch, including pedestal, damping shaft, plane scroll spring, spring rotary shaft, latch release shaft, the first end of latch release shaft is located at the outside of pedestal, the second end connection clamping block of latch release shaft and the inside for being located at pedestal, the outer ring of plane scroll spring and damping axis connection, the inner ring of plane scroll spring is stretched into spring rotary shaft slot, spring rotary shaft, which is limited, to be rotatably arranged in pedestal, the side of clamping block is resisted against by compressed spring on the inside of pedestal, the opposite side of clamping block is provided with the first lock piece, damping shaft has the second lock piece close to the end set of clamping block, when damping shaft turns to predetermined angle, first lock piece and the second lock piece coordinate.Above-mentioned self-locking damping attachment device can make the display screen of KVM switch realize locking in setting position, can alleviate the vibration during use, the reliability of raising, suitable for vehicle-mounted or airborne vibration environment, simple in structure, dependable performance.

Description

A kind of self-locking damping attachment device and KVM switch

Technical field

The utility model is related to KVM switch technical field, in particular to a kind of self-locking damping attachment device And KVM switch.

Background technology

KVM switch（Keyboard Video Mouse, abbreviation KVM）It is a kind of computer hardware equipment, can makes User passes through one group of keyboard, display and mouse control multiple computers.It includes KVM pedestals, KVM display screens etc., KVM pedestals with It is hinged and connected between KVM display screens by attachment device, to realize the opening and closing of KVM display screens.

At present, the attachment device of KVM makes damping fin be in direct contact extruding with rotary shaft mostly using Damping rotation shaft by nut Certain frictional resistance is generated, without lock function, simultaneously as installation space limits to, shaft diameter is smaller, and intensity is relatively low, In use, under bimoment effect particularly in vibration environment, shaft is easily deformed, fractures, therefore, this damping Device is not suitable for vibration environment.

Therefore, how to improve the structure of attachment device, improve the intensity and reliability of the attachment device of KVM, KVM is enable to fit For the vibration environments such as vehicle-mounted or airborne, the technical issues of becoming those skilled in the art's urgent need to resolve.

Utility model content

In consideration of it, the utility model proposes a kind of self-locking damping attachment device and KVM switch, to improve KVM Attachment device intensity and reliability, KVM is made to can be suitably used for the application demand of the vibration environments such as vehicle-mounted or airborne.

On the one hand, the utility model proposes a kind of self-locking damping attachment device, including pedestal, be rotatably dispose in the base Damping shaft, the plane scroll spring being set in the damping shaft in seat, the spring that is set in the plane scroll spring Shaft stretches and is rotatably arranged in the latch release shaft on the pedestal by limitation, and the first end of the latch release shaft is located at the base The outside of seat, the second end connection clamping block of the latch release shaft and the inside for being located at the pedestal, the plane scroll spring Outer ring and the damping axis connection, the inner ring of the plane scroll spring are connected on the spring rotary shaft, the spring rotary shaft It being rotatably arranged in the pedestal by limitation, the side of the clamping block is resisted against by compressed spring on the inside of the pedestal, The opposite side of the clamping block is provided with the first lock piece, and the damping shaft has the second lock close to the end set of the clamping block Stop member, when the damping shaft turns to predetermined angle, first lock piece coordinates with second lock piece.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that further include shaft stool, the damping shaft Be provided at both ends with cylindrical shaft, the cylindrical shaft is arranged in the shaft stool, and the damping shaft passes through the shaft stool It is rotatably dispose in the pedestal.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that further include and be set to the damping shaft Interior sleeve, the damping shaft are provided with inside and outside perforative installation passage, and the spring rotary shaft is axially disposed jagged, described The first end of spring rotary shaft is located at the outside of the shaft stool and coordinates with the pedestal, and the second end of the spring rotary shaft runs through The plane scroll spring, and be arranged in the sleeve, the inner ring of the plane scroll spring is arranged in the notch.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that the top of the pedestal to be cylindric, The lower part of the pedestal is provided with opening, along the opening, the base interior offer with the compressed spring, clamping block, The matched U-type groove of first end of shaft stool, damping shaft and spring rotary shaft, the top of the pedestal are additionally provided with perforative notch, The connection tablet of the damping shaft passes through the notch and offers first on the outside of the pedestal, the connection tablet Connecting hole, the lower part of the pedestal are additionally provided with the second connecting hole.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that the pedestal connects the latch release shaft Fan groove is provided on the outside of one end, the first end of the latch release shaft is provided with and the matched fan-shaped handle of the fan groove, institute It states the one end of pedestal far from the latch release shaft and is provided with shaft.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that the first end of the spring rotary shaft is Rectangular flat or U-shaped tablet, the second end of the spring rotary shaft is stepped cylindrical.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that the damping shaft, clamping block, unlock Axis, spring rotary shaft, sleeve are located along the same line.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that first lock piece be boss, institute The second lock piece is stated as groove；Or, first lock piece is groove, second lock piece is boss.

As the improvement of above-mentioned self-locking damping attachment device on the one hand, it is preferred that the clamping block and the latch release shaft It is connected through a screw thread, the clamping block and one end of the unlock axis connection are cuboid, and the clamping block is close to the damping One end of axis is cylinder, and first lock piece is set on the cylinder.

On the other hand, the utility model also proposed a kind of KVM switch, including KVM pedestals, KVM display screens, It is hinged and connected between the KVM pedestals and KVM display screens by attachment device, the attachment device is hindered for any of the above-described kind of self-locking Buddhist nun's attachment device.

The utility model proposes a kind of self-locking damping attachment device, including pedestal, the damping being rotatably dispose in pedestal Axis, the spring rotary shaft being set in plane scroll spring, stretches and is turned by limitation the plane scroll spring being set in damping shaft The latch release shaft being set to dynamicly on pedestal, the first end of latch release shaft are located at the outside of pedestal, the second end connection locking of latch release shaft Block and the inside for being located at pedestal, outer ring and the damping axis connection of plane scroll spring, the inner ring of plane scroll spring are connected to bullet In spring shaft, spring rotary shaft, which is limited, to be rotatably arranged in pedestal, and the side of clamping block is resisted against pedestal by compressed spring Inside, the opposite side of clamping block are provided with the first lock piece, and damping shaft has the second lock piece close to the end set of clamping block, When damping shaft turns to predetermined angle, the first lock piece and the second lock piece coordinate.Above-mentioned self-locking damping attachment device, is used for During rotation connection, pedestal and the first component（Such as KVM pedestals）Connection, by damping shaft and second component（Such as KVM display screens）Connection, When not needing to open the first component and second component, due to the effect of plane scroll spring, at the first component and second component In closing tight state, when needing to open the first component and second component, plane scroll spring persistently provides restoring force, forms resistance Buddhist nun, when damping shaft turns to predetermined angle, clamping block coordinates under compressed spring effect with damping shaft, is formed to second component Locking, meanwhile, the plane scroll spring inside damping shaft persistently provides restoring force, slows down second component in use Vibration；During unlock, it is only necessary to stir latch release shaft outward, clamping block is detached with damping shaft, is unlocked, and second component is in plane It is slowly closed under the action of scroll spring.

Therefore, when above-mentioned self-locking damping attachment device is applied on KVM switch, the first component is KVM bottoms Seat, second component is KVM display screens, when not needing to open KVM display screens, due to the effect of plane scroll spring, KVM pedestals It is in KVM display screens and closes tight state, when needing to open KVM display screens, plane scroll spring persistently provides restoring force, is formed Damping, when damping shaft turns to predetermined angle, clamping block coordinates under compressed spring effect with damping shaft, is formed and KVM is shown The locking of display screen, meanwhile, the plane scroll spring inside damping shaft persistently provides restoring force, slows down KVM display screens and was using Vibration in journey；During unlock, it is only necessary to stir latch release shaft outward, clamping block is detached with damping shaft, is unlocked, KVM display screens It is slowly closed under the action of plane scroll spring.

Therefore, above-mentioned self-locking damping attachment device can make the KVM display screens of KVM switch in setting position reality It now locks, and plane scroll spring persistently provides damping, the vibration during use can be alleviated, improve the reliable of attachment device Property, KVM switch is made to can apply to the vibration environments such as vehicle-mounted or airborne, this is simple and practical in structure, dependable performance.

Description of the drawings

Fig. 1 is a kind of sectional view of self-locking damping device structure provided by the utility model；

Fig. 2 is the explosive view of Fig. 1；

Fig. 3 is the stereoscopic schematic diagram of Fig. 1；

Fig. 4 is using renderings of the self-locking damping device on KVM switch.

In figure：1 pedestal；2 damping shafts；3 plane scroll springs；4 spring rotary shafts；5 latch release shafts；6 clamping blocks；7 compressed springs； 8 shaft stools；9 sleeves.

Specific embodiment

In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

It should be noted that " first " that occurs in the utility model, " second " " it is only used for distinguishing different structure and portion Part, point of no priority, the less restriction as structure or component in itself.

On the one hand, as shown in Figs. 1-3, the utility model proposes a kind of self-locking damping attachment device, including pedestal 1, turn The dynamic damping shaft 2 being set in pedestal 1, is set in plane scroll spring 3 plane scroll spring 3 being set in damping shaft 2 Spring rotary shaft 4, the flexible and latch release shaft 5 that is rotatably arranged in by limitation on pedestal 1, the first end of latch release shaft 5 is located at pedestal 1 Outside, the second end connection clamping block 6 of latch release shaft 5 and positioned at the inside of pedestal 1, the outer ring of plane scroll spring 3 and damping Axis 2 connects, and the inner ring of plane scroll spring 3 is connected on spring rotary shaft 4, and spring rotary shaft 4 is rotatably arranged in pedestal 1 by limitation Interior, the side of clamping block 6 is resisted against 1 inside of pedestal by compressed spring 7, and the opposite side of clamping block 6 is provided with the first lock piece, Damping shaft 2 has the second lock piece close to the end set of clamping block 6, when damping shaft 2 turns to predetermined angle, the first lock piece Coordinate with the second lock piece.

Above-mentioned self-locking damping attachment device, during for being rotatablely connected, pedestal 1 and the first component（Such as KVM pedestals）Connection, By damping shaft 2 and second component（Such as KVM display screens）Connection, when not needing to open the first component and second component, due to flat The effect of face scroll spring 3, the first component and second component, which are in, closes tight state, when needing to open the first component and second component When, plane scroll spring 3 persistently provides restoring force, forms damping, when damping shaft 2 turns to predetermined angle, clamping block 6 is being pressed The effect of contracting spring 7 is lower to be coordinated with damping shaft 2, forms the locking to second component, meanwhile, the plane scroll spring inside damping shaft 3 persistently provide restoring force, slow down the vibration of second component in use；During unlock, it is only necessary to latch release shaft 5 is stirred outward, Clamping block 6 is detached with damping shaft 2, is unlocked, and second component is slowly closing under the action of plane scroll spring 3.

Therefore, when above-mentioned self-locking damping attachment device is applied on KVM switch, the first component is KVM bottoms Seat, second component is KVM display screens, when not needing to open KVM display screens, due to the effect of plane scroll spring 3, KVM bottoms Seat and KVM display screens, which are in, closes tight state, and when needing to open KVM display screens, plane scroll spring 3 persistently provides restoring force, Damping is formed, when damping shaft 2 turns to predetermined angle, clamping block 6 coordinates under the effect of compressed spring 7 with damping shaft 2, is formed Locking to KVM display screens, meanwhile, the plane scroll spring 3 inside damping shaft persistently provides restoring force, slows down KVM display screens Vibration in use；During unlock, it is only necessary to stir latch release shaft 5 outward, clamping block 6 is detached with damping shaft 2, releases lock Fixed, KVM display screens are slowly closing under the action of plane scroll spring 3.

That is, above-mentioned self-locking damping attachment device can be such that the KVM display screens of KVM switch are realized in setting position Locking, and plane scroll spring 3 persistently provides damping, can alleviate the vibration during use, improve the reliable of attachment device Property, KVM switch is made to can apply to the vibration environments such as vehicle-mounted or airborne, this is simple and practical in structure, dependable performance.

Above-mentioned self-locking damping attachment device, it is preferred that further include shaft stool 8, the cylinder that is provided at both ends with of damping shaft 2 turns Axis, cylindrical shaft are arranged in shaft stool 8, and damping shaft 2 is rotatably dispose in by shaft stool 8 in pedestal 1.It, can by shaft stool 8 Easily damping shaft 2 is assembled on pedestal 1.

Above-mentioned self-locking damping attachment device, it is preferred that the sleeve 9 being set in damping shaft 2 is further included, on damping shaft 2 Inside and outside perforative installation passage is provided with, spring rotary shaft 4 is axially disposed jagged, and the first end of spring rotary shaft 4 is located at axis branch The outside of seat 8 simultaneously coordinates with pedestal 1, and the second end of spring rotary shaft 4 is arranged in through plane scroll spring 3 in sleeve 9, is put down The inner ring of face scroll spring 3 is arranged in notch.

Above-mentioned self-locking damping attachment device, it is preferred that the top of pedestal 1 is cylindric, and the lower part of pedestal 1 is provided with out Mouthful, along opening, first with compressed spring 7, clamping block 6, shaft stool 8, damping shaft 2 and spring rotary shaft 4 is offered inside pedestal 1 Matched U-type groove is held, the top of pedestal 1 is additionally provided with perforative notch, and the connection tablet of damping shaft 2 passes through notch and positioned at base The outside of seat 1 connects and offers the first connecting hole on tablet, and the lower part of pedestal 1 is additionally provided with the second connecting hole.

Above-mentioned self-locking damping attachment device, it is preferred that pedestal 1 connects and is provided with fan groove on the outside of 5 one end of latch release shaft, The first end of latch release shaft 5 be provided with the matched fan-shaped handle of fan groove, the one end of pedestal 1 far from latch release shaft 5 is provided with shaft.

Above-mentioned self-locking damping attachment device, it is preferred that the first end of spring rotary shaft 4 be rectangular flat or U-shaped tablet, bullet The second end of spring shaft 4 is stepped cylindrical.

Above-mentioned self-locking damping attachment device, it is preferred that damping shaft 2, clamping block 6, latch release shaft 5, spring rotary shaft 4, sleeve 9 It is located along the same line.

Above-mentioned self-locking damping attachment device, it is preferred that the first lock piece is boss, and the second lock piece is groove；Or, the One lock piece is groove, and the second lock piece is boss.

Above-mentioned self-locking damping attachment device, it is preferred that clamping block 6 is connected through a screw thread with latch release shaft 5, clamping block 6 with One end that latch release shaft 5 connects is cuboid, and clamping block 6 is cylinder close to one end of damping shaft 2, and the first lock piece is set to circle On cylinder.

In addition, pedestal 1, damping shaft 2, clamping block 6, latch release shaft 5, spring rotary shaft 4, shaft stool 8, sleeve 9 be not preferably using Rust steel is made.

Shaft stool 8 first, is sleeved on the cylinder of 2 both sides of damping shaft by above-mentioned self-locking damping attachment device in assembling In shaft, sleeve 9 is placed in damping shaft 2,3 inner ring of plane scroll spring is put into damping at the installation passage of damping shaft 2 In axis 2, from 2 end inserting spring shaft 4 of damping shaft, the notch of spring rotary shaft 4 is made to fix the inner ring of plane scroll spring 3, Meanwhile 4 end of spring rotary shaft is inserted in sleeve 9, rotation spring shaft 4 makes 3 outer ring of plane scroll spring hang on damping shaft 2, Spring rotary shaft 4 is rotated further, plane scroll spring 3 is made to store enough elastic potential energys, the resistance of plane scroll spring 3 will be installed Buddhist nun's axis 2 is placed in the U-type groove of the setting of pedestal 1 together with the shaft stool 8 of both sides, then clamping block 6, compressed spring 7 is pacified successively In the rectangular channel of pedestal 1, latch release shaft 5 is placed in from the end of pedestal 1, across compressed spring 7, passes through screw thread and clamping block 6 It is coupled and fixes, the second end of latch release shaft 5 can be stretched into the hole of 2 end of damping shaft setting.By the shaft of 1 end of pedestal（Cylinder）It is right Claim with the setting position cooperation of KVM display screen housings both sides, form articulated structure, matching part can increase wear-resistant block, under pedestal 1 End face is coupled by four screws with KVM pedestals, and the connection tablet of damping shaft 2 can be fixed by screws in setting for KVM display screens Determine on position.When not needing to open KVM display screens, due to the effect of plane scroll spring 3, at KVM pedestals and KVM display screens In closing tight state, when needing to open KVM display screens, plane scroll spring 3 persistently provides restoring force, forms damping, works as damping When axis 2 turns to predetermined angle, clamping block 6 coordinates under the effect of compressed spring 7 with damping shaft 2, forms the lock to KVM display screens It is fixed, meanwhile, the plane scroll spring 3 inside damping shaft persistently provides restoring force, slows down KVM display screens shaking in use It is dynamic；During unlock, it is only necessary to stir latch release shaft 5 outward, clamping block 6 is detached with damping shaft 2, unlocked, and KVM display screens are flat It is slowly closed under the action of face scroll spring 3.The KVM display screens of KVM switch can be made to realize in setting position to lock, And plane scroll spring 3 persistently provides damping, can alleviate the vibration during use, improve the reliability of attachment device, make KVM switch can apply to the vibration environments such as vehicle-mounted or airborne, this is simple and practical in structure, dependable performance.

On the other hand, the KVM switch that another embodiment of the utility model proposes, as shown in figure 4, including KVM bottoms Seat 11, KVM display screens 12, are hinged and connected between KVM pedestals 11 and KVM display screens 12 by attachment device, and attachment device is upper State any self-locking damping attachment device 10.

As a result of above-mentioned self-locking damping attachment device 10, therefore, the KVM display screens of KVM switch can be made 12 realize locking in setting position, and plane scroll spring 3 persistently provides damping, can alleviate the vibration during use, improve The reliability of attachment device, makes KVM switch can apply to the vibration environments such as vehicle-mounted or airborne, the reality simple in structure With dependable performance.

It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of self-locking damping attachment device, which is characterized in that including pedestal（1）, be rotatably dispose in the pedestal（1）Interior resistance Buddhist nun's axis（2）, be set to the damping shaft（2）Interior plane scroll spring（3）, be set to the plane scroll spring（3）Interior Spring rotary shaft（4）, it is flexible and the pedestal is rotatably arranged in by limitation（1）On latch release shaft（5）, the latch release shaft（5）'s First end is located at the pedestal（1）Outside, the latch release shaft（5）Second end connection clamping block（6）And positioned at the pedestal （1）Inside, the plane scroll spring（3）Outer ring and the damping shaft（2）Connection, the plane scroll spring（3）'s Inner ring is fixed on the spring rotary shaft（4）On, the spring rotary shaft（4）The pedestal is rotatably arranged in by limitation（1）It is interior, institute State clamping block（6）Side pass through compressed spring（7）It is resisted against the pedestal（1）Inside, the clamping block（6）Opposite side set It is equipped with the first lock piece, the damping shaft（2）Close to the clamping block（6）End set have the second lock piece, in the resistance Buddhist nun's axis（2）When turning to predetermined angle, first lock piece coordinates with second lock piece.

2. self-locking damping attachment device according to claim 1, which is characterized in that further include shaft stool（8）, the damping Axis（2）Be provided at both ends with cylindrical shaft, the cylindrical shaft is arranged in the shaft stool（8）It is interior, the damping shaft（2）Pass through The shaft stool（8）It is rotatably dispose in the pedestal（1）It is interior.

3. self-locking damping attachment device according to claim 2, which is characterized in that further include and be set to the damping shaft （2）Interior sleeve（9）, the damping shaft（2）It is provided with inside and outside perforative installation passage, the spring rotary shaft（4）It sets in an axial direction It is equipped with notch, the spring rotary shaft（4）First end be located at the shaft stool（8）Outside and with the pedestal（1）Cooperation, institute State spring rotary shaft（4）Second end run through the plane scroll spring（3）, and it is arranged in the sleeve（9）It is interior, the planar vortex Coil spring（3）Inner ring be arranged in the notch.

4. self-locking damping attachment device according to claim 3, which is characterized in that the pedestal（1）Top be cylinder Shape, the pedestal（1）Lower part be provided with opening, along the opening, the pedestal（1）Inside offers and the compressed spring （7）, clamping block（6）, shaft stool（8）, damping shaft（2）And spring rotary shaft（4）The matched U-type groove of first end, the pedestal（1） Top be additionally provided with perforative notch, the damping shaft（2）Connection tablet pass through the notch and positioned at the pedestal（1） Outside, it is described connection tablet on offer the first connecting hole, the pedestal（1）Lower part be additionally provided with the second connecting hole.

5. self-locking damping attachment device according to claim 4, which is characterized in that the pedestal（1）Connect the unlock Axis（5）Fan groove, the latch release shaft are provided on the outside of one end（5）First end be provided with and the matched sector of the fan groove Handle, the pedestal（1）Far from the latch release shaft（5）One end be provided with shaft.

6. self-locking damping attachment device according to claim 3, which is characterized in that the spring rotary shaft（4）First end For rectangular flat or U-shaped tablet, the spring rotary shaft（4）Second end be stepped cylindrical.

7. self-locking damping attachment device according to claim 3, which is characterized in that the damping shaft（2）, clamping block（6）、 Latch release shaft（5）, spring rotary shaft（4）, sleeve（9）It is located along the same line.

8. according to claim 1-7 any one of them self-locking damping attachment devices, which is characterized in that first lock piece is Boss, second lock piece are groove；Or, first lock piece is groove, second lock piece is boss.

9. according to claim 1-7 any one of them self-locking damping attachment devices, which is characterized in that the clamping block（6）With The latch release shaft（5）It is connected through a screw thread, the clamping block（6）With the latch release shaft（5）One end of connection is cuboid, described Clamping block（6）Close to the damping shaft（2）One end for cylinder, first lock piece is set on the cylinder.

10. a kind of KVM switch, including KVM pedestals（11）, KVM display screens（12）, the KVM pedestals（11）With KVM Display screen（12）Between be hinged and connected by attachment device, which is characterized in that the attachment device is any one of for claim 1-9 The self-locking damping attachment device（10）.