CN206555225U - A kind of panel fastener - Google Patents

Abstract

The utility model is related to a kind of panel fastener.Panel fastener, including mounting cap, latch, fixed cover and flexible member, the stopper slot through fixed cover jacket wall is offered at the top of fixed cover, latch includes bearing pin and buckling parts, there is the first limiting section and first step on bearing pin, the top of buckling parts has second step, fixed cover is fixedly connected with the first plate, mounting cap is set on the periphery of fixed cover and can slided up and down, flexible member is compressed between mounting cap and fixed cover, and latch, which is located in, to be passed fixed cover in fixed cover and be fixedly connected with mounting cap.First limiting section can limit direction of rotation and the angle of mounting cap and latch with stopper slot.When rotation, mounting cap is to fixed angle and unclamps mounting cap, and buckling parts is propped up in the bottom of the second plate, and second step is caught in limitation latch in the second through hole and rotated.The utility model effectively prevent after panel fastener is locked under external force or effect of vibration and release, and substantially increase panel fastener locking validity.

Description

A kind of panel fastener

Technical field

The utility model belongs to the technical field for being fixedly connected with installation, and in particular to a kind of panel fastener.

Background technology

At present, during the installations such as cabinet, Electric Appliance Cabinet or operation bench and use, needs are usually used mutually to rotate The panel of cooperation.Panel fastener provides a kind of fastening system, for two pieces of panels to be quickly and easily fastened on face-to-face Together or separate them come.The cap that existing panel fastener includes fixed mount, can rotate and slide on fixed mount And it is fixed on the latch on cap.In two panels, circular hole is opened up on a panel, another panel opens up square hole, latch For coordinating with the circular hole on panel and square hole.Fixed mount is rigidly fixed on the panel for opening up circular hole.In use, needing to use hand Cap is rotated when the head of latch is just overlapped with the square hole on panel, pushing cap makes latch pass through square hole, Ran Houzai Turnable hood rotates substantially 90 ° and loosed one's grip, you can two pieces of panels are fixed together.

Existing this panel fastener finds there are many shortcomings in use：

First, latch is passed through from square hole, it is necessary to press cap when in use, because cap and latch can be optionally Around 360 ° of rotations of the axis of itself, therefore, it is necessary to which the position of first centering latch, makes the latch just side of alignment before pressing cap Hole, this is accomplished by spending some alignment times, inefficiency；

Second, existing panel fastener, when two panels are fastened, is also due to that cap and latch can be optionally Around 360 ° of rotations of the axis of itself, therefore it is easy to locking situation not in place occur, operator rotates the position and angle of cap Degree not in place when, such as to turn to 90 ° of position, this temporarily can also fasten two panels, generation spurious lock, but in the shape Locking failure is easily caused under state, two panels can be fallen off in use to be separated；

3rd, existing panel fastener, even if cap and latch rotate in place, forms lock after by two panel fastenings It is fixed.Because cap and latch can be optionally around 360 ° of rotations of the axis of itself, under the influence of external force or vibration, latch meeting Rotation is produced, latch is released with being easy to dislocation at panel locking, two panels can be fallen off in use to be separated, and locking is lost Effect.

Utility model content

The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, without centering, can effectively prevent tight Gu after the panel fastener that releases.

In order to solve the above-mentioned technical problem, a kind of technical scheme of the utility model use is：A kind of panel fastener, is used Locking between two connected plates, two described plates are respectively the first plate and the second plate, first plate Part offers first through hole, and second plate offers the second through hole, and second through hole is irregularly-shaped hole.The panel fastening Part includes mounting cap, latch, fixed cover and flexible member, and the mounting cap and fixed cover are the cylinder knot of lower openings The stopper slot through fixed cover jacket wall is offered at the top of structure, the fixed cover, the stopper slot is connected with the inner chamber of fixed cover The top of fixed cover is also formed opening, the latch include successively from top to bottom head, bearing pin and with the second through hole pass There is the first limiting section and first step, the top of the buckling parts has second step, institute on the buckling parts matched somebody with somebody, the bearing pin State fixed cover alignment first through hole position be erected on the first plate and can be formed with the first plate it is rigid be fixedly connected, institute Mounting cap is stated to be set on the periphery of fixed cover and can slide up and down and rotate along the periphery of fixed cover, institute along the periphery of fixed cover Flexible member is stated to compress between mounting cap and fixed cover, the flexible member can provide resilient force mounting cap to Upper to slide, the latch is located in fixed cover and the upper opening of the head self-retaining set of latch is passed with mounting cap rigidly It is fixedly connected, the mounting cap can drive latch to move up and down together.

The latch has retracted position and extended position in the path of up and down motion, when latch is in retracted position When, the flexible member drives mounting cap and latch upward sliding and the first step of latch is withstood on fixed cover inner chamber together So as to keep the buckling parts of latch to be contracted in the inner chamber of fixed cover on roof；When latch is in extended position, the installation Cap and latch are moved downwardly together makes the buckling parts of latch stretch out the inner chamber of fixed cover and positioned at the lower section of fixed cover.

It is downward to mounting cap pressure make latch be in extended position when, the buckling parts can pass successively first through hole and Second through hole and the lower section for being located at the second plate, now, rotation mounting cap can drive buckling parts to rotate switching position, the peace In the rotary course for filling cap, first limiting section cooperates with stopper slot can limit the direction of rotation of mounting cap and latch And angle, mounting cap is only capable of rotating fixed angle along single direction.

When rotation, mounting cap is to described fixed angle and unclamps mounting cap, and the buckling parts and the second lead to the hole site are wrong Open, the buckling parts is propped up in the presence of the elastic force of flexible member in the bottom of the second plate, the second step card Enter limitation mounting cap and latch in the second through hole to rotate, the first plate and the second plate are clasped holding the by the panel fastener The mutually locking of one plate and the second plate.

It is preferred that, the second limiting section is further opened with the lock bolt axle, the latch is in retracted position with stretching out position Between putting during mobile handoff position, second limiting section cooperates with stopper slot can limit latch along its axis Rotation, the latch is only capable of moving up and down.

Specifically, the bearing pin is in ladder shaft-like, the bearing pin includes the upper axle and lower axle in cylinder, the upper axle Epimere offers the second tangent plane from top to down, and second tangent plane has two and is parallel to each other, described two second tangent planes it Between upper shaft portion constitute second limiting section, the First is formed on upper axle on the bottom of described two second tangent planes Rank, the groove width of the stopper slot is less than in the diameter of axle of upper axle, the upper axle only the second limiting section can be by stopper slot, and only When the second tangent plane and stopper slot cell wall position to it is corresponding when the second limiting section could be slided up and down in stopper slot, it is described under Axle can pass through second through hole.

Further, the epimere of second limiting section is further opened with the first tangent plane, the first described tangent plane from top to down With two and it is parallel to each other, the part of the second limiting section between described two first tangent planes constitutes first limiting section, First tangent plane intersects with the second tangent plane, between being smaller than between two the second tangent planes between described two first tangent planes Away from when latch moves downwardly to the first limiting section in stopper slot, rotation mounting cap can drive the first limiting section in limit Rotated in the groove of position, the cell wall of the stopper slot rotates the corresponding position contacted with the first limiting section edge and is further opened with breach, when When first limiting section edge is gone in the breach, the first limiting section can be blocked and then limit latch and installation by the breach The rotation of cap.

It is preferred that, the bottom of the fixed cover has a guide part of raised specially-shaped annular, the first through hole for institute State the profiled holes of guide part form fit, the guide part alignment insertion first through hole can limit fixed cover and be fixedly mounted on the Orientation on one plate.

Specifically, circumferentially distributed there are the second sawtooth, the fixed cover in the bottom of the fixed cover in the periphery of guide part Pressed and be fixed on the first plate by second sawtooth.

Specifically, the head of the latch is formed with the first circumferentially distributed sawtooth, the inner top pair of the mounting cap Head is answered to offer counterbore, the head is inserted in the counterbore, the latch is fixed on by the cooperation that presses of the first sawtooth On mounting cap.

It is preferred that, the mounting cap is only capable of being rotated by 90 ° along single direction.

It is preferred that, it is provided with annular knurl in the periphery circumference of the mounting cap.

It is referred to above to the inferior noun of locality upper all around, be the side when the panel fastener normal is used Make what is defined in position.

Scope of the present utility model, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while Other technical schemes as formed by being combined above-mentioned technical characteristic or its equivalent feature should be covered.Such as features described above With it is disclosed herein（But it is not limited to）Technical characteristic with similar functions carries out technical scheme formed by replacement mutually Deng.

Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：Pass through the second limit The cooperation of position portion and stopper slot can determine direction of rotation and the angle of mounting cap and latch, it is ensured that panel fastener is fastening lock Timing latch can be rotated in place；Guarantor is mutually clamped with the second through hole after latch is rotated in place by the second step of buckling parts Card panel fastener is not influenceed after snap lock by external force or vibration, effectively prevent panel fastener in external force or vibration Released after the lower locking of effect, substantially increase the stability and validity of panel fastener locking.

Brief description of the drawings

Fig. 1 is the first plate and the second plate schematic diagram of expansion；

Fig. 2 is the dimensional structure diagram of panel fastener when latch is in retracted position；

Fig. 3 is the dimensional structure diagram of panel fastener when latch is in extended position；

Fig. 4 is the top view of the utility model panel fastener；

Fig. 5 is the A-A sectional views of Fig. 4 when latch is in retracted position；

Fig. 6 is the B-B sectional views of Fig. 4 when latch is in retracted position；

Fig. 4 A-A sectional views when Fig. 7 is in the deployed for latch；

Fig. 4 B-B sectional views when Fig. 8 is in the deployed for latch；

Fig. 9 is the explosive view of the utility model panel fastener；

Figure 10 is the dimensional structure diagram of panel fastener when latch is in retracted position（Conceal mounting cap）；

Figure 11 is the dimensional structure diagram of panel fastener when latch is in extended position（Conceal mounting cap）；

Figure 12 is Figure 10 top view；

Figure 13 is Figure 11 top view；

Figure 14 is the dimensional structure diagram of fixed cover；

Figure 15 is Figure 14 upward view；

Figure 16 is a dimensional structure diagram of latch；

Figure 17 is another dimensional structure diagram of latch；

Wherein：1st, mounting cap；2nd, latch；3rd, fixed cover；4th, flexible member；5th, head；6th, bearing pin；7th, buckling parts；11st, sink Hole；12nd, annular knurl；31st, stopper slot；32nd, breach；33rd, guide part；34th, the second sawtooth；35th, the 3rd step；51st, the first sawtooth； 61st, the first limiting section；62nd, the second limiting section；63rd, first step；64th, upper axle；65th, lower axle；71st, second step；101st, first Plate；102nd, the second plate；103rd, first through hole；104th, the second through hole；641st, the first tangent plane；642nd, the second tangent plane；.

Embodiment

As shown in figure 1, two panels fitted face-to-face are respectively the first plate 101 and the second plate 102.Described One plate 101 and the second plate 102 are by pivoting connection.The plate 102 of first plate 101 and second can relative institute State and pivot, rotating one of plate can make two plates have mutual expanded position and overlapped position.It is described First plate 101 offers first through hole 103, and second plate 102 offers the second through hole 104, the first through hole 103 It is irregularly-shaped hole with the second through hole 104.In the present embodiment, the second through hole 104 is rectangular opening.When the first plate 101 and the second plate When part 102 is in overlapped position, the first through hole 103 relatively and is connected with the second through hole 104.

In order to by the first plate 101 and the quick lock in of the second plate 102 and quick release in overlapped position, adopt With a kind of panel fastener described in the utility model.The concrete structure of described panel fastener will be chatted in detail below State.

As shown in Fig. 2 to Figure 17, a kind of panel fastener described in the utility model includes mounting cap 1, latch 2, fixed Set 3 and flexible member 4.

The mounting cap 1 is the tube structure of lower openings.Annular knurl 12 is provided with the periphery circumference of the mounting cap 1. Enough coefficient of frictions can be provided, facilitate operator to be screwed with hand.The inner cavity top of mounting cap 1 offers counterbore 11.

The position of the alignment of fixed cover 3 first through hole 103 is erected on the first plate 101 and can be with the first plate 101 Form rigid be fixedly connected.The fixed cover 3 is also the tube structure of lower openings, and the bore of fixed cover 3 is less than installation Cap 1.Mounting cap 1 can be set on the periphery of fixed cover 3 and can be slided up and down along the periphery of fixed cover 3 and along fixed cover 3 Periphery is rotated.The top of the fixed cover 3 offers the stopper slot 31 through the jacket wall of fixed cover 3, and the stopper slot 31 is with fixing The inner chamber connection of set 3 makes the top of fixed cover 3 also form opening.Stopper slot 31 described in the present embodiment is rectangular channel.Spacing Jagged 32 are also opened up on the cell wall of the both sides of groove 31 respectively, the breach 32 is in semicircular arc.The position phase of breach 32 of both sides Mutually stagger.The bottom of the fixed cover 3 also has the guide part 33 of raised specially-shaped annular.The first through hole 103 for institute State the profiled holes of the form fit of guide part 33.The alignment of the guide part 33 insertion first through hole 103 can limit fixed cover 3 and fix Orientation on the first plate 101.So, the installation site with regard to the clear and definite panel fastener of energy and direction, convenient standardization Install.The bottom of the fixed cover 3 guide part 33 periphery it is circumferentially distributed have the second sawtooth 34, the fixed cover 3 passes through Second sawtooth 34, which presses, to be fixed on the first plate 101.

Also there is the 3rd step 35 on the periphery of the fixed cover 3.Flexible member 4 in the present embodiment is spring, described Flexible member 4 is enclosed on the periphery of fixed cover 3, and upper end is against on the inner cavity top of mounting cap 1, and lower end is against the 3rd step 35 On, the flexible member 4 is in compressive state between mounting cap 1 and fixed cover 3.The flexible member 4 can provide elastic force Promote the upward sliding of mounting cap 1.

The latch 2 includes head 5, bearing pin 6 and the buckling parts 7 matched with the pass of the second through hole 104 successively from top to bottom. The latch 2 is located in fixed cover 3 and the upper opening of the self-retaining set of head 53 of latch 2 is passed with mounting cap 1 rigidly It is fixedly connected.The mounting cap 1 can drive latch 2 to move up and down together.

Specifically, the head 5 of the latch 2 is inserted into determining peace of the latch 2 in mounting cap 1 in the counterbore 11 Holding position.The periphery on the head 5 is circumferentially distributed the first sawtooth 51, and the latch 2 is pressed cooperation by the first sawtooth 51 It is fixed on mounting cap 1.

The bearing pin 6 is in ladder shaft-like, and the bearing pin 6 includes the upper axle 64 and lower axle 65 in cylinder.The upper axle 64 The diameter of axle be more than lower axle 65 the diameter of axle.The diameter of axle of the upper axle 64 is also greater than the groove width of stopper slot 31.The lower axle 65 can be certainly By through second through hole 104.

The epimere of the upper axle 64 offers the second tangent plane 642 from top to down.Second tangent plane 642 has two and phase Mutually parallel, the part of upper axle 64 between described two second tangent planes 642 forms the second limiting section 62.Described two second tangent planes First step 63 is formed on upper axle 64 on 642 bottom.Stopper slot can be passed through by only having the second limiting section 62 in the upper axle 64 31, and if only if the second limiting section 62 described in when the second tangent plane 642 is relative face-to-face with the cell wall of stopper slot 31 could be in stopper slot Slided up and down in 31.

The epimere of second limiting section 62 is further opened with the first tangent plane 641 from top to down.The first described tangent plane 641 has There are two and be parallel to each other, the part of the second limiting section 62 between described two first tangent planes 641 constitutes the first limiting section 61. First tangent plane 641 intersects with the second tangent plane 642, being smaller than two second and cut between described two first tangent planes 641 Spacing between face 642.When so enabling to the latch 2 to move downwardly to the first limiting section 61 in the stopper slot 31, latch 2 It can be turned an angle in stopper slot 31.The edge of first limiting section 61 is corresponding with the breach 32, when first When the edge of limiting section 61 is gone in the breach 32, the first limiting section 61 can be blocked and then limit latch 2 by the breach 32 With the rotation of mounting cap 1.It can determine by the setting of two spacing of the first tangent plane 641, the position of breach 32, the depth of breach 32 In the angle that latch 2 can rotate, the present embodiment, by setting so that the mounting cap 1 and latch 2 are only capable of along single direction It is rotated by 90 °.

The buckling parts 7 is fixedly installed on the lower end of lower axle 65, and the profile of the buckling parts 7 is matched with the second through hole 104, Rectangular shape, chamfering is provided with the bottom of buckling parts 7, facilitates buckling parts 7 to pass through the second through hole 104.The buckling parts 7 it is upper Portion is additionally provided with second step 71.

The latch 2 has retracted position and extended position in the path of up and down motion.When latch 2 is in retracted position When, the flexible member 4 drives mounting cap 1 and latch 2 upward sliding and the first step 63 of latch 2 is withstood on fixed cover together So as to keep the buckling parts 7 of latch 2 to be contracted in the inner chamber of fixed cover 3 on the roof of 3 inner chambers；When latch 2 is in extended position When, the mounting cap 1 and latch 2 are moved downwardly together makes the buckling parts 7 of latch 2 stretch out the inner chamber of fixed cover 3 and positioned at fixation The lower section of set 3.

The latch 2 is between retracted position and extended position during mobile handoff position, second limiting section 62 cooperate with stopper slot 31 can limit latch 2 along the rotation of its axis, and the latch 2 is only capable of moving up and down.

When to mounting cap 1, pressure makes latch 2 in extended position downwards, the buckling parts 7 can pass first successively and lead to The through hole 104 of hole 103 and second and the lower section for being located at the second plate 102, now, the first limiting section 61 is in stopper slot 31, rotation Turning mounting cap 1 can drive buckling parts 7 to rotate in switching position, the rotary course of the mounting cap 1, first limiting section 61 Direction of rotation and the angle of mounting cap 1 and latch 2 can be limited by being cooperated with stopper slot 31, and mounting cap 1 is only capable of along single side To the angle that rotation is fixed.

When rotation, mounting cap 1 is to described fixed angle and unclamps mounting cap 1,7 and second through hole of buckling parts 104 Put and stagger, the buckling parts 7 is propped up in the presence of the elastic force of flexible member 4 in the bottom of the second plate 102, described Two steps 71 are caught in limitation mounting cap 1 and latch 2 in the second through hole 104 and rotated, and the panel fastener is by the He of the first plate 101 Second plate 102 clasps the mutually locking for keeping the first plate 101 and the second plate 102.

The specific method for carrying out panel fastening fastening using above-mentioned panel fastener is as follows：

The panel fastening method, comprises the following steps：

1）The guide part 33 of the fixed cover 3 of the panel fastener is directed at the first through hole 103 of the first plate 101 and inserted Enter, and fixed cover 3 is pressed be fixed on the first plate 101, so, panel fastener has been secured on the first plate 101；

2）The second plate 102 is rotated to position to be locked, now first through hole 103 is relative with the second through hole 104 connects, institute The buckling parts 7 for stating latch 2 is directed at the position of the through hole 104 of first through hole 103 and second；

3）Pressing down on mounting cap 1 makes the buckling parts 7 of latch 2 sequentially pass through the through hole 104 of first through hole 103 and second, This pressing during, the mounting cap 1 and latch 2 the second limiting section 62 and stopper slot 31 cooperation limitation under be only capable of above and below It is mobile；

4）After buckling parts 7 passes the second through hole 104, the lower axle 65 of the latch 2 is located in the second through hole 104, described First limiting section 61 is located in stopper slot 31, and rotational installation cap 1 is until the first limiting section 61 is by the breach in the stopper slot 31 32 block, and so determine that mounting cap 1 have rotated fixed angle and the buckling parts 7 of latch 2 and the position of the second through hole 104 is staggered；

5）Mounting cap 1 is unclamped, mounting cap 1 is pulled upwardly tightly in the presence of flexible member 4, the buckling parts 7 of the latch 2 Being against the bottom of the second plate 102 makes panel fastener by the first plate 101 and the snap lock of the second plate 102, described second Step 71 is caught in limitation mounting cap 1 and latch 2 in the second through hole 104 and rotated.

From the above it can be seen that the structure setting of the guide part 33 of first through hole 103 and fixed cover 3 causes panel fastener clearly to exist Installation position on first plate 101, is easy to standardization to install and follow-up operation, while the second limiting section 62 and stopper slot 31 setting make it that without centering when latch 2 is extended downwardly from directly pressing mounting cap 1 is with regard to that can promote the buckling parts 7 of latch 2 to be aligned The through hole 104 of first through hole 103 and second is simultaneously passed.The operation of locking is facilitated, the time has been saved, lock can be quickly completed It is fixed.The setting of first limiting section 61 and stopper slot 31 and breach 32 so that buckling parts 7 is rotated after the second through hole 104 is passed The angle of determination, the situation that effectively prevent spurious lock occurs.Ensure the lock into place of buckling parts 7.Second step on buckling parts 7 71 setting ensure that panel fastener after the first plate 101 and the second plate 102 are locked not by external force or vibration Influence and come off, substantially increase the stability and validity of locking.

As described above, we are illustrated fully according to objective of the present utility model, but the utility model not limits to In above-described embodiment and implementation.The scope that the practitioner of correlative technology field can permit in technological thought of the present utility model It is interior to carry out different changes and implementation.

Claims (9)

1. a kind of panel fastener, for the locking between two connected plates, two described plates are respectively the first plate Part（101）With the second plate（102）, first plate（101）Offer first through hole（103）, second plate（102） Offer the second through hole（104）, second through hole（104）For irregularly-shaped hole, it is characterised in that：The panel fastener includes peace Fill cap（1）, latch（2）, fixed cover（3）And flexible member（4）, the mounting cap（1）And fixed cover（3）It is lower openings Tube structure, the fixed cover（3）Top offer through fixed cover（3）The stopper slot of jacket wall（31）, the stopper slot （31）With fixed cover（3）Inner chamber connection make fixed cover（3）Top also form opening, the latch（2）From top to bottom successively Including head（5）, bearing pin（6）With with the second through hole（104）The buckling parts of pass matching（7）, the bearing pin（6）It is upper to have first Limiting section（61）And first step（63）, the buckling parts（7）Top there is second step（71）, the fixed cover（3）It is right Quasi- first through hole（103）Position be erected at the first plate（101）It is upper and can be with the first plate（101）Form rigid fixation even Connect, the mounting cap（1）It is set in fixed cover（3）Periphery on and can be along fixed cover（3）Periphery slide up and down and along fixation Set（3）Periphery rotate, the flexible member（4）Compress installed in mounting cap（1）And fixed cover（3）Between, the elasticity member Part（4）Resilient force mounting cap can be provided（1）Upward sliding, the latch（2）It is located in fixed cover（3）Interior and latch （2）Head（5）Self-retaining set（3）Upper opening pass and mounting cap（1）It is rigidly fixed connection, the mounting cap（1） Latch can be driven（2）Move up and down together,

The latch（2）There is retracted position and extended position in the path of up and down motion, work as latch（2）In retracted position When, the flexible member（4）Drive mounting cap（1）And latch（2）Upward sliding and make latch together（2）First step（63） Withstand on fixed cover（3）So as to keep latch on the roof of inner chamber（2）Buckling parts（7）It is contracted in fixed cover（3）Inner chamber in；When Latch（2）During in extended position, the mounting cap（1）And latch（2）Motion makes latch downwardly together（2）Buckling parts（7） Stretch out fixed cover（3）Inner chamber and positioned at fixed cover（3）Lower section,

To mounting cap（1）Pressure makes latch downwards（2）During in extended position, the buckling parts（7）First can be passed successively Through hole（103）With the second through hole（104）And positioned at the second plate（102）Lower section, now, rotate mounting cap（1）It can drive Buckling parts（7）Rotate switching position, the mounting cap（1）Rotary course in, first limiting section（61）With stopper slot （31）Mutual cooperation can limit mounting cap（1）And latch（2）Direction of rotation and angle, mounting cap（1）It is only capable of along single side To the angle that rotation is fixed,

When rotation mounting cap（1）To described fixed angle and unclamp mounting cap（1）, the buckling parts（7）With the second through hole （104）Position is staggered, the buckling parts（7）In flexible member（4）Elastic force in the presence of prop up in the second plate（102）'s Bottom, the second step（71）It is caught in the second through hole（104）Interior limitation mounting cap（1）And latch（2）Rotate, the panel Fastener is by the first plate（101）With the second plate（102）Clasp the first plate of holding（101）With the second plate（102）Phase Mutually locking.

2. a kind of panel fastener according to claim 1, it is characterised in that：The latch（2）Bearing pin（6）On also open Provided with the second limiting section（62）, the latch（2）Between retracted position and extended position during mobile handoff position, institute State the second limiting section（62）With stopper slot（31）Mutual cooperation can limit latch（2）Rotated along its axis, the latch（2）Only It can move up and down.

3. a kind of panel fastener according to claim 2, it is characterised in that：The bearing pin（6）It is described in ladder shaft-like Bearing pin（6）Including the upper axle in cylinder（64）And lower axle（65）, the upper axle（64）Epimere offer second from top to down Tangent plane（642）, second tangent plane（642）With two and it is parallel to each other, described two second tangent planes（642）Between upper axle （64）Part constitutes second limiting section（62）, described two second tangent planes（642）Bottom in upper axle（64）Upper formation institute State first step（63）, the stopper slot（31）Groove width be less than upper axle（64）The diameter of axle, the upper axle（64）In only second Limiting section（62）Stopper slot can be passed through（31）, and if only if the second tangent plane（642）With stopper slot（31）Cell wall position to correspondence when Second limiting section（62）Could be in stopper slot（31）Inside slide up and down, the lower axle（65）Second through hole can be passed through （104）.

4. a kind of panel fastener according to claim 3, it is characterised in that：Second limiting section（62）Epimere from On be down further opened with the first tangent plane（641）, described the first tangent plane（641）With two and it is parallel to each other, described two One tangent plane（641）Between the second limiting section（62）Part constitute first limiting section（61）, first tangent plane（641） With the second tangent plane（642）It is intersecting, described two first tangent planes（641）Between be smaller than two the second tangent planes（642）Between Spacing, work as latch（2）Move downwardly to the first limiting section（61）Positioned at stopper slot（31）When interior, mounting cap is rotated（1）Can Drive the first limiting section（61）In stopper slot（31）Interior rotation, the stopper slot（31）Cell wall and the first limiting section（61）Edge The position of rotation correspondence contact is further opened with breach（32）, when the first limiting section（61）Edge goes to the breach（32）When interior, The breach（32）Can be by the first limiting section（61）Block and then limit latch（2）And mounting cap（1）Rotation.

5. a kind of panel fastener according to claim 4, it is characterised in that：The fixed cover（3）Bottom have it is convex The guide part of the specially-shaped annular risen（33）, the first through hole（103）For with the guide part（33）The profiled holes of form fit, The guide part（33）Alignment insertion first through hole（103）Fixed cover can be limited（3）It is fixedly mounted on the first plate（101）On Orientation.

6. a kind of panel fastener according to claim 5, it is characterised in that：The fixed cover（3）Bottom be oriented to Portion（33）Periphery circumferentially distributed have the second sawtooth（34）, the fixed cover（3）Pass through second sawtooth（34）Press solid It is scheduled on the first plate（101）On.

7. a kind of panel fastener according to claim 1, it is characterised in that：The latch（2）Head（5）It is formed with The first circumferentially distributed sawtooth（51）, the mounting cap（1）Inner top correspondence head（5）Offer counterbore（11）, it is described Head（5）It is inserted in the counterbore（11）It is interior, the latch（2）Pass through the first sawtooth（51）The cooperation that presses is fixed on mounting cap （1）On.

8. a kind of panel fastener according to claim 1, it is characterised in that：The mounting cap（1）It is only capable of along single side To being rotated by 90 °.

9. a kind of panel fastener according to claim 1, it is characterised in that：The mounting cap（1）Periphery circumference on It is provided with annular knurl（12）.