CN205609490U

CN205609490U - Breech lock mechanism and have wafer case of this breech lock mechanism

Info

Publication number: CN205609490U
Application number: CN201620411200.0U
Authority: CN
Inventors: 江枝茂; 邱铭隆
Original assignee: CHUNG KING ENTERPRISE Co Ltd
Current assignee: CHUNG KING ENTERPRISE Co Ltd
Priority date: 2016-05-09
Filing date: 2016-05-09
Publication date: 2016-09-28
Anticipated expiration: 2026-05-09

Abstract

The utility model provides a breech lock mechanism and have wafer case of this breech lock mechanism, breech lock mechanism sets up in one internally for family of a general's body lock solid in box body, breech lock mechanism contains shores the piece, a breech lock spare, an and cam member, it sets up in the door internally to shore the piece, breech lock spare includes a plate body and an at least contact site, the plate body contains a trailing flank, a follow block portion and a connecting plate portion, the contact site sets up in the trailing flank and is close to in a follow block portion, the contact site is used for contacting to be shored the piece and can be shored the piece and shore forward, shore with the contact site one of them wherein another is a lug for a gyro wheel, the lug has an inclined plane for contact roller, cam member rotationally pin joint is personally experienced sth. Part of the body and is connected in connecting the board in the door, the cam member is used for driving breech lock spare and slides to the contact site and shored the latched position that the piece is shored forward, so that the front side reason in the box body is supported on top follow block portion top. Borrow this, avoid the wafer in the dust pollution bearing space, promote the convenience on using to and the reliable degree in the operation.

Description

Bolt lock mechanism and there is the wafer cassette of this bolt lock mechanism

Technical field

This utility model relates to a kind of wafer cassette, particularly relates to a kind of bolt lock mechanism and has this The wafer cassette of bolt lock mechanism.

Background technology

Existing wafer cassette comprises a box body, a door body being covered on box body, and one is arranged at door body Bolt lock mechanism, bolt lock mechanism is in order to be locked in door body on box body.Pass through rotating latch mechanism A runner and drive one latch piece slide and clip in the draw-in groove of box body, whereby, can be by door Body is locked in box body.

But, due to each spare part in existing bolt lock mechanism in course of action easily because of each other Between friction and produce dust, therefore, it is very easy to cause the wafer placed in box body to be subject to Pollute；Additionally, each spare part is produced because of in the upper tolerance produced of design or manufacture and use again The factors such as raw abrasion and form gap so that when carrying out locking action it may happen that latch piece Fail completely, positively clip situation in draw-in groove, therefore, except causing in use not Just, outside, operational reliability is more reduced.

Summary of the invention

A purpose of the present utility model, is to provide a kind of bolt lock mechanism, can reduce latch piece and exist The friction occurred in sliding process, to reduce the produced dust of friction, it is to avoid dust pollution is brilliant Wafer in circle box.

The purpose of this utility model and solution background technology problem are to come by the following technical solutions Realize, according to the bolt lock mechanism that the utility model proposes, be arranged in a door body in order to should Door body is locked in a box body.

This bolt lock mechanism comprises a top bracing member, a latch piece, and a cam member, and this top bracing member sets Being placed in this door body, this latch piece includes a plate body being slidably connected to this door body, and extremely A few contact site, this plate body comprises one and is located at interval at the trailing flank in this top bracing member front, a contact Plate portion, and one in contrast to the web portion in this contact plate portion, this contact site is arranged at this trailing flank And be adjacent to this contact plate portion, this contact site in order to contact this top bracing member and can by this top bracing member to Before shore, this top bracing member and this contact site one of them be a roller and wherein another is one convex Block, this projection has one in order to contact the inclined-plane of this roller, and this cam member is articulated in rotationally This door body is also connected to this web portion, and this cam member connects in order to drive this latch piece to slide into this The latched position that contact portion is shored forward by this top bracing member, so that this contact plate portion is resisted against this box One cephalolateral margin of body.

This top bracing member is this roller and is articulated in this door body, and this latch piece includes multiple being arranged at this Trailing flank and the contact site of arrangement spaced apart, respectively this contact site is this projection and is convexly equipped in this Trailing flank.

This latch piece further includes first elastic arm being arranged at this plate body, and this first elastic arm supports It is pressed on this door body in order to described contact site to be biased towards this top bracing member direction.

This plate body further includes a leading flank, and this first elastic arm protrudes out this leading flank, and this is first years old Elastic arm comprises one and presses on the first of this door body and compress face.

This cam member is formed with at least one detent, this latch piece further include one be convexly equipped in this before Side and be positioned at the positioning wedged block of this web portion, this positioning wedged block is recessed in this location in order to clip Groove is so that this latch piece is positioned at this latched position.

This cam member includes a disk body being located at interval at this web portion front, and one is convexly equipped in this Push block on rear side of disk body, this push block comprises one in order to the helical curve of this positioning wedged block of pushing tow Face, this spiral camber is formed with this detent, and this push block is formed with at least one by this spiral The arcuate groove that curved surface caves in towards this disk body direction and is connected with this detent, this arcuate groove Bearing of trend is identical with the bearing of trend of this spiral camber.

This latch piece further includes one and is convexly equipped in this trailing flank and is positioned at the second bullet of this web portion Property arm, this second elastic arm in order to this positioning wedged block towards this cam member direction bias, this is second years old Elastic arm comprises one and presses on the second of this door body and compress face.

This latch piece further includes first elastic arm being arranged at this plate body, and this first elastic arm supports It is pressed on this door body in order to this contact site to be biased towards this top bracing member direction.

Another object of the present utility model, is to provide a kind of wafer cassette with bolt lock mechanism, The friction that latch piece occurs in sliding process can be reduced, to reduce the produced dust of friction, Avoid the wafer in dust pollution wafer cassette.

The purpose of this utility model and solution background technology problem are to come by the following technical solutions Realize, according to the wafer cassette with bolt lock mechanism that the utility model proposes, comprise a box body And one, this box body is formed with at least one draw-in groove, and this box body includes that one is positioned on front side of this draw-in groove Cephalolateral margin, this door includes a door body, and at least one bolt lock mechanism, and this door body forms an accommodating sky Between, and at least one perforate being connected with this accommodation space, this perforate is connected with this draw-in groove, This bolt lock mechanism is arranged in this accommodation space, and this bolt lock mechanism comprise at least one top bracing member, At least one latch piece, and a cam member, this top bracing member is arranged at this door body and is adjacent to this perforate, This latch piece includes a plate body being slidably connected to this door body, and at least one contact site, should Plate body comprises and one is located at interval at the trailing flank in this top bracing member front, one is arranged in the top in this perforate Follow block portion, and one in contrast to the web portion in this contact plate portion, this contact site is arranged on rear side of this Face and be adjacent to this contact plate portion, this contact site is in order to contact this top bracing member can be by this top bracing member Shore forward, this top bracing member and this contact site one of them be a roller and wherein another is one convex Block, this projection has one in order to contact the inclined-plane of this roller, and this cam member is articulated in rotationally This door body is also connected to this web portion, and this cam member connects in order to drive this latch piece to slide into this The latched position that contact portion is shored forward by this top bracing member, so that this contact plate portion stretches through to this card Groove is interior and is resisted against this cephalolateral margin.

This door body comprises a front shroud, and this front shroud includes an elongated rib, and this plate body further includes One leading flank, this first elastic arm protrudes out this leading flank, and this first elastic arm comprises one and compresses Face is compressed in the first of this elongated rib.

This door body comprises a hinged unit, and this hinged unit includes multiple spaced pivot joint Sheet, respectively this pin-jointing piece forms a pivot connected slot supplying this top bracing member pivot joint.

This cam member forms at least one detent, and this latch piece further includes one and is convexly equipped on front side of this Face and be positioned at the positioning wedged block of this web portion, this positioning wedged block in order to clip in this detent So that this latch piece is positioned at this latched position.

This door body further includes a backboard, and this latch piece further includes one and is convexly equipped in this trailing flank and is positioned at Second elastic arm of this web portion, this second elastic arm in order to this positioning wedged block towards this cam Part direction biases, and this second elastic arm comprises one and presses on the second of this backboard and compress face.

The beneficial effects of the utility model are: can reduce integral latch mechanism and slide at latch piece During the friction that occurred, to reduce the produced dust quantity of friction, and then avoid dust Pollute the wafer in bearing space；Even and if making latch piece incomplete in cam member rotational action In the case of, also can be reset automatically to unlocking position after leaving latched position, or from It is reset automatically to latched position after releasing lock position, thus improves the convenience in use, And operational reliability.

Accompanying drawing explanation

Fig. 1 is the axonometric chart that this utility model has an embodiment of the wafer cassette of bolt lock mechanism, Illustrate that door is assembled in the opening of box body enclosed box body；

Fig. 2 is the stereo decomposing that this utility model has an embodiment of the wafer cassette of bolt lock mechanism Figure, illustrates the assembled relation between door and box body；

Fig. 3 is the solid that this utility model has the door of an embodiment of the wafer cassette of bolt lock mechanism Exploded view, illustrates the assembled relation between door body and bolt lock mechanism；

Fig. 4 is the local that this utility model has the door of an embodiment of the wafer cassette of bolt lock mechanism Three-dimensional exploded view；

Fig. 5 is the imperfect office that this utility model has an embodiment of the wafer cassette of bolt lock mechanism Portion's front view, illustrate cam member position in primary importance, latch piece position is at unlocking position；

Fig. 6 is that this utility model has the completeest of the door of an embodiment of the wafer cassette of bolt lock mechanism Whole partial rear view, illustrate cam member position in primary importance, latch piece position is at unlocking position；

Fig. 7 is the imperfect office that this utility model has an embodiment of the wafer cassette of bolt lock mechanism Portion's sectional view, illustrate cam member position in primary importance, latch piece position is at unlocking position；

Fig. 8 is the imperfect office that this utility model has an embodiment of the wafer cassette of bolt lock mechanism Portion's front view, illustrate cam member position in the second position, latch piece position is in latched position；

Fig. 9 is that this utility model has the completeest of the door of an embodiment of the wafer cassette of bolt lock mechanism Whole partial rear view, illustrate cam member position in the second position, latch piece position is in latched position；And

Figure 10 is that this utility model has the imperfect of an embodiment of the wafer cassette of bolt lock mechanism Partial sectional view, illustrate cam member position in the second position, latch piece position is in latched position.

Detailed description of the invention

Below in conjunction with the accompanying drawings and this utility model is described in detail by embodiment.

Refering to Fig. 1 and Fig. 2, it is this utility model one enforcement with the wafer cassette of bolt lock mechanism Example, wafer cassette 100 comprises a box body 10, and one 20.It is empty that box body 10 is formed with a carrying Between 11, an and opening 12 being communicated in bearing space 11 front end, in bearing space 11 in order to House for more wafers.Box body 10 includes a surrounding wall 13 defining opening 12, surrounding wall 13 internal faces are formed with a shoulder 131, and the upper and lower both sides of surrounding wall 13 internal face are formed respectively There are about two draw-in grooves 132 separately, and surrounding wall 13 includes that four lay respectively at described card Cephalolateral margin 133 on front side of groove 132, each cephalolateral margin 133 is located at interval at shoulder 131 front.

Refering to Fig. 2, Fig. 3 and Fig. 4, the door 20 of the present embodiment includes a door body 2, and two Bolt lock mechanism 3.The surrounding wall 13 that door body 2 is assembled in box body 10 is interior to close opening 12.Door Body 2 comprises shells 21, front shroud 22, and a sealing member 23.Shells 21 includes a back of the body Plate 211, multiple projection 212, of backboard 211 front side portion that is convexly equipped in are by backboard 211 periphery The perisporium 213, two that edge extends forward to be arranged at backboard 211 front side portion hinged unit 214, Two axle bushes 215 being arranged at backboard 211 front side portion, and multiple be convexly equipped on front side of backboard 211 The block projection 216 in portion.The upper and lower both sides of perisporium 213 be respectively formed about two alternate Every perforate 217, each perforate 217 is connected with corresponding draw-in groove 132.Two pivots of every a pair Separately, each hinged unit 214 is adjacent to the perforate 217 of correspondence, respectively in order unit about 214 Hinged unit 214 comprises and multiple is convexly equipped in the spaced pivot of backboard 211 front side portion and left and right Contact pin 218, each pin-jointing piece 218 is formed with breach pivot connected slot 219 forward.Two axle bushes 215 Separately, 215, each axle bush is between two corresponding hinged unit 214 in left and right.Multiple gears Only projection 216 is looped around two axle bush 215 outsides respectively.

Front shroud 22 is connected in the perisporium 213 of shells 21, front shroud 22 and shells by grab 21 are collectively forming an accommodation space 24, and each perforate 217 is connected with accommodation space 24.Protecgulum Plate 22 includes a plate portion 221, and the elongated rib 222 that two to being convexly equipped in plate portion 221 rear lateral portion. Plate portion 221 is formed with two left and right perforation 223 separately.Two elongated ribs of every a pair Bar about 222 separately and is respectively adjacent in top, plate portion 221 and bottom, plate portion 221, each length The length bearing of trend of shape rib 222 is along a longitudinal extension.

Sealing member 23 is that sealing member 23 shape ringwise is the most sheathed by made by such as quality of rubber materials In backboard 211 outer peripheral edge, sealing member 23 is in order to be connected to the shoulder 131 of box body 10.

Refering to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, bolt lock mechanism 3 is arranged at the accommodating sky of door body 2 Between in 24.Bolt lock mechanism 3 comprises top bracing member 31, latch piece 32, and a cam member 34, And be, with each group of bolt lock mechanism 3, there are 31, two breech locks of two top bracing members in the present embodiment Part 32, and a cam member 34 is as example.Two top bracing members about 31 of every a pair are alternate Every, each top bracing member 31 of the present embodiment is a roller, and each top bracing member 31 is articulated in rotationally The pivot connected slot 219 of corresponding hinged unit 214 is interior and is adjacent to corresponding perforate 217.Each pivot Order unit 214 is by multiple spaced common pivot joints of pin-jointing piece 218 and supports corresponding top The mode of support member 31, the area contacted with top bracing member 31 with minimizing, whereby, can reduce and shore The frictional force that part 31 is suffered when rotating.

Two latch pieces 32 of every a pair are arranged above and below and oppositely arranged, and each latch piece 32 includes One plate body 320, an at least contact site 321,1 first elastic arm 322, positioning wedged block 323, And one second elastic arm 324.Plate body 320 comprises one and slips plate portion 325, and be formed at sliding The contact plate portion 326 of one end, plate portion 325, and one be formed at sliding plate portion 325 in contrast to contact The web portion 327 of the other end in plate portion 326.Sliding plate portion 325, contact plate portion 326 and Web portion 327 defines the leading flank 328 of one side cover plate 22 forward jointly, and one side supports or opposes The trailing flank 329 of plate 211.Sliding plate portion 325 is formed with two elongated guide grooves 330, each length Shape guide groove 330 runs through leading flank 328 and trailing flank 329, and the length of each elongated guide groove 330 is prolonged Stretching direction is to extend along the direction being parallel to long limit, sliding plate portion 325, each elongated guide groove 330 Wear with for corresponding projection 212.Match with corresponding projection 212 by each elongated guide groove 330 Close so that latch piece 32 can be along the length bearing of trend of elongated guide groove 330 relative to shells 21 slide.Contact plate portion 326 stretches through to corresponding draw-in groove 132 via perforate 217 is internal and pushes up It is butted on corresponding cephalolateral margin 133 (as shown in Figure 2).Web portion 327 is formed with a groove 331, And the arcwall face 332 being adjacent to groove 331.

In the present embodiment, multiple contact sites 321 be arranged at plate body 320 trailing flank 329 and Left and right is spaced, and in the present embodiment, each contact site 321 is one to be convexly equipped in trailing flank 329 And it being adjacent to the projection in contact plate portion 326, each contact site 321 has one in order to contact corresponding top The inclined-plane 333 of support member 31.First elastic arm 322 is connected to the sliding plate portion 325 of plate body 320 And protruding out leading flank 328, the first elastic arm 322 is by middle section court of sliding plate portion 325 Before and towards direction, contact plate portion 326 tilt extend, the first elastic arm 322 comprises one and compresses First of the elongated rib of correspondence 222 in front shroud 22 compresses face 334.

Positioning wedged block 323 is convexly equipped in the leading flank 328 of plate body 320 and is positioned at web portion 327 On be adjacent to web portion 327 end.After second elastic arm 324 is convexly equipped in plate body 320 Side 329 and being positioned in web portion 327, the second elastic arm 324 is by trailing flank 329 court Rear and court tilts to extend away from direction, contact plate portion 326, and the second elastic arm 324 comprises one Press on shells 21 backboard 211 second compress face 335.

Each cam member 34 be articulated in rotationally door body 2 and include a rounded disk body 341, One is convexly equipped in 342, two, sleeve on rear side of disk body 341 is convexly equipped in the pushing tow on rear side of disk body 341 Post 343, and two push blocks being convexly equipped on rear side of disk body 341 344.Disk body 341 is front On rear side of the plate portion 221 of cover plate 22 and be located at interval at the web portion of corresponding two latch pieces 32 327 fronts, disk body 341 is formed with a slot 345, and slot 345 is corresponding with front shroud 22 Boring a hole 223 aligned in position, slot 345 is identical with the shape of perforation 223, whereby, and a key Can rotate with drive cam member 34 in being inserted in slot 345 via perforation 223.Disk body 341 Comprise multiple protuberance 346 being located on outer peripheral edge, each block projection 216 of shells 21 in order to Block correspondence protuberance 346, to limit the rotational angle of cam member 34.Sleeve 342 is rotatable Be sheathed on corresponding axle bush 215.Two pushing posts 343 are connected to the both sides of sleeve 342, Each pushing post 343 stretches through to the groove 331 of corresponding latch piece 32, and each pushing post 343 is used With the arcwall face 332 of pushing tow correspondence latch piece 32, to drive latch piece 32 to slide.Two tops Pushing block 344 is positioned at the other both sides and respectively with sleeve 342 separately of sleeve 342, again two tops The line that pushing block 344 arranges the line of position and two pushing posts 343 arrange position is to hang down mutually Directly, and each push block 344 is between the web portion 327 of two latch pieces 32.Each top Pushing block 344 comprises one in order to the spiral camber of the positioning wedged block 323 of pushing tow correspondence latch piece 32 347, it is formed with at least one at spiral camber 347 adjacent end and blocks with for positioning wedged block 323 The detent 348 connect.

It is recessed towards disk body 341 direction by spiral camber 347 that each push block 344 is formed with at least one Fall into and extend to the arcuate groove 349 of disk body 341.More specifically, in the present embodiment, respectively Push block 344 be formed multiple by spiral camber 347 towards disk body 341 direction depression and extend To the arcuate groove 349 of disk body 341, multiple arcuate groove 349 arrangements spaced apart and with location Groove 348 is connected, the bearing of trend of each arcuate groove 349 and the extension side of spiral camber 347 To identical.By the design of multiple arcuate grooves 349, push block 344 and positioning wedged block can be reduced The area of 323 contacts, whereby, rubbing when can reduce push block 344 pushing tow positioning wedged block 323 Wiping power.It should be noted that, the quantity of arcuate groove 349 is alternatively one, not with the present embodiment institute The quantity disclosed is limited.

Refering to Fig. 5, Fig. 6 and Fig. 7, when each cam member 34 is one first shown in Fig. 5 When putting, two pushing posts 343 of each cam member 34 are connected in the recessed of two latch pieces 32 respectively In groove 331, so that two latch pieces 32 are limited in a unlocking position respectively.When each latch piece 32 Position is when unlocking position, aligns with corresponding draw-in groove 132 but do not stretch through to draw-in groove in contact plate portion 326 In 132, the inclined-plane 333 of each contact site 321 and corresponding top bracing member 31 segment distance separately, Spiral camber 347 segment distance separately of positioning wedged block 323 and corresponding push block 344, and Each projection of shells 21 212 is in corresponding elongated guide groove 330 one end.

Refering to Fig. 8, Fig. 9 and Figure 10, it is intended to door body 2 (as shown in Figure 2) is locked in box body 10 Time, drive each cam member 34 to rotate along one first direction of rotation R1 by key.Each cam member During 34 rotate along the first direction of rotation R1, two pushing posts 343 can move apart two the most respectively The groove 331 of latch piece 32, subsequently, two pushing posts 343 can distinguish pushing tow two latch piece 32 Arcwall face 332, to promote two latch pieces 32 respectively along one first glide direction D1, and one Slide in contrast to the second glide direction D2 of the first glide direction D1.

Due to during door body 2 (as shown in Figure 2) is locked in box body 10, two latch pieces 32 in addition to being respectively to slide along the first glide direction D1 and the second glide direction D2, remaining Course of action is the most identical, therefore, slides into locking just for along the first glide direction D1 below The latch piece 32 of position illustrates.

During latch piece 32 slides along the first glide direction D1, each contact site 321 oblique Pressure can be applied by it when face 333 touches top bracing member 31, put on tiltedly by top bracing member 31 In the pressure in face 333, a component forward promotes latch piece 32 adjacent to the one of contact plate portion 326 End gradually turns forward.And turn forward adjacent to the one end in contact plate portion 326 at latch piece 32 During, the first elastic arm 322 is by the stop of elongated rib 222 and extruding so that One elastic arm 322 bends deformation towards the direction in sliding plate portion 325 and accumulates reseting elasticity.Separately On the one hand, when cam member 34 rotates along one first direction of rotation R1, also drive pushing tow simultaneously Block 344 moves, and makes positioning wedged block 323 by spiral camber 347 bottom of push block 344 Start to slide along spiral camber 347 towards the top of spiral camber 347.Work as positioning wedged block 323 when being slided by spiral camber 347 bottom and moved closer to the top of spiral camber 347, spiral shell Rotation curved surface 347 put on the one of positioning wedged block 323 backwards component can promote web portion 327 by Gradually tilt backwards, and make the second elastic arm 324 by the stop of backboard 211 and extruding, thus The second elastic arm 324 is caused to bend deformation towards the direction of web portion 327 and accumulate reset bullet Power.

When each cam member 34 turns to the second position shown in Fig. 8, contact plate portion 326 Stretch through to the corresponding draw-in groove 132 of box body 10 and be resisted against corresponding cephalolateral margin 133, latch piece The positioning wedged block 323 of 32 is connected in the detent 348 of push block 344, and shells 21 Each projection 212 at corresponding elongated guide groove 330 other end.By positioning wedged block 323 clamping In detent 348, and the inclined-plane 333 of each contact site 321 is connected to top bracing member 31, Make latch piece 32 can be securely positioned in a most inclined latched position, borrow This, can be locked in box body 10 by door body 2.Owing to latch piece 32 is when latched position, first Contact site 321 is biased by elastic arm 322 towards top bracing member 31 direction, therefore, and the first elastic arm 322 are transferred to the elastic force on top bracing member 31 by contact site 321 can force sealing member 23 tight Press on the shoulder 131 of box body 10, and top bracing member 31 is to anti-produced by contact site 321 Active force then can force contact plate portion 326 to be closely resisted against cephalolateral margin 133, whereby so that Door body 2 can be stably locked in and can reach good between box body 10, and door body 2 and box body 10 Airtight effect.

During lock-out state between door body 2 to be released and box body 10, driven each convex by key Gear member 34 rotates along one in contrast to the second direction of rotation R2 of the first direction of rotation R1.Work as top When the detent 348 of pushing block 344 moves apart positioning wedged block 323, by the second elastic arm 324 Reseting elasticity effect web portion 327 and positioning wedged block 323 are biased the thrust caused, Web portion 327 can gradually turn forward and the spiral shell of positioning wedged block 323 meeting pushing tow push block 344 Rotation curved surface 347 slides, thus orders about cam member 34 and rotate along the second direction of rotation R2, borrows Even if this promotes the cam member 34 also can be automatic in the case of user does not continues to exert oneself rotation Be reset to primary importance.On the other hand, by the first elastic arm 322 reseting elasticity effect pair Sliding plate portion 325 and contact site 321 bias the thrust caused, the inclined-plane 333 of contact site 321 Top bracing member 31 can be abutted against slide so that latch piece 32 leans on the one end in contact plate portion 326 gradually Tilting backwards, whereby, latch piece 32 automatically can slide along the second glide direction D2 and reset To unlocking position, so that contact plate portion 326 moves apart cephalolateral margin 133 and draw-in groove 132.Now, Door 20 (as shown in Figure 2) can be separated box body 10, in order to wafer is positioned over box body 10 Take out in bearing space 11 (as shown in Figure 2) or by the wafer in bearing space 11.

Special instruction, owing to top bracing member 31 is the roller being articulated in pin-jointing piece 218, because of This, the inclined-plane 333 of contact site 321 can drive during sliding along top bracing member 31 simultaneously Top bracing member 31 rotates, and therefore can reduce friction between the two.Furthermore, latch piece 32 by The mode that the inclined-plane 333 of multiple spaced contact sites 321 contacts with top bracing member 31, The area that contact site 321 contacts can be reduced with top bracing member 31.On the other hand, latch piece 32 exists In sliding process, the first of the first elastic arm 322 compresses face 334 can be along elongated rib 222 Sliding, front shroud 22 compresses, with first, the mode that face 334 contacts by elongated rib 222, Can reduce and compress, with first, the area that face 334 contacts, whereby, can reduce by the first elastic arm 322 Produced friction time mobile.By previous designs mode, latch piece 32 can be greatly decreased and exist In sliding process between contact site 321 and top bracing member 31 and the first elastic arm 322 and protecgulum Friction between plate 22, thus effectively reduce the produced dust of friction, and then avoid powder Wafer in dustiness dye bearing space 11.

In other implementations, the quantity of contact site 321 is alternatively one, not with this reality Execute the quantity disclosed by example to be limited.Furthermore.Contact site 321 alternatively one is articulated in plate body 320 Roller, top bracing member 31 can be then a bevelled projection of tool, whereby, can reach equally Reduce the effect that friction phenomenon occurs.

Concluding above-mentioned, the bolt lock mechanism 3 of the present embodiment wafer cassette 100, by contact site 321 Match with top bracing member 31, and the first elastic arm 322 matches with elongated rib 222 Design, can reduce the friction in latch piece 32 sliding process, is produced to reduce to rub Raw dust, and then avoid the wafer in dust pollution bearing space 11.Furthermore, by The inclined-plane 333 of one elastic arm 322, top bracing member 31 and contact site 321 cooperates, Yi Ji Two elastic arms 324, positioning wedged block 323 cooperate with the spiral camber 347 of push block 344 Design, moreover it is possible to even if making latch piece 32 incomplete in cam member 34 rotational action, such as, make User does not continues to exert oneself in the case of rotating cam member 34, it is also possible to leaving latched position After be reset automatically to unlocking position, or be reset automatically to lock after leaving unlocking position Location is put, and the most not only improves the convenience in use, more improves operational reliability, Really the purpose of this utility model institute demand can be reached.

Claims

1. a bolt lock mechanism, is arranged at a door body interior in order to this door body is locked in a box Body；It is characterized in that:

This bolt lock mechanism comprises a top bracing member, a latch piece, and a cam member, this top bracing member Being arranged in this door body, this latch piece includes a plate body being slidably connected to this door body, And at least one contact site, this plate body comprise a trailing flank being located at interval at this top bracing member front, One contact plate portion, and one in contrast to the web portion in this contact plate portion, this contact site is arranged at This trailing flank and be adjacent to this contact plate portion, this contact site is in order to contact this top bracing member can quilt This top bracing member is shored forward, this top bracing member and this contact site one of them be a roller and wherein Another is a projection, and this projection has one in order to contact the inclined-plane of this roller, and this cam member can Being articulated in this door body rotationally and be connected to this web portion, this cam member is in order to drive this door bolt Latch fitting slides into the latched position that this contact site is shored forward by this top bracing member, so that this top Follow block portion is resisted against a cephalolateral margin of this box body.

Bolt lock mechanism the most according to claim 1, it is characterised in that: this top bracing member For this roller and be articulated in this door body, this latch piece include multiple be arranged at this trailing flank and that This spaced contact site, respectively this contact site is this projection and is convexly equipped in this trailing flank.

Bolt lock mechanism the most according to claim 2, it is characterised in that: this latch piece Further including first elastic arm being arranged at this plate body, this first elastic arm presses on this door body In order to described contact site is biased towards this top bracing member direction.

Bolt lock mechanism the most according to claim 3, it is characterised in that: this plate body is more Comprising a leading flank, this first elastic arm protrudes out this leading flank, and this first elastic arm comprises One presses on the first of this door body compresses face.

Bolt lock mechanism the most according to claim 4, it is characterised in that: this cam member Being formed with at least one detent, this latch piece further includes one and is convexly equipped in this leading flank and is positioned at The positioning wedged block of this web portion, this positioning wedged block in order to clip in this detent so that should Latch piece is positioned at this latched position.

Bolt lock mechanism the most according to claim 5, it is characterised in that: this cam member Including a disk body being located at interval at this web portion front, and one is convexly equipped on rear side of this disk body Push block, this push block comprises one in order to the spiral camber of this positioning wedged block of pushing tow, this spiral Curved surface is formed with this detent, and this push block is formed with at least one by this spiral camber towards this Disk body direction depression the arcuate groove being connected with this detent, the extension side of this arcuate groove Identical to the bearing of trend with this spiral camber.

Bolt lock mechanism the most according to claim 6, it is characterised in that: this latch piece Further including one be convexly equipped in this trailing flank and be positioned at the second elastic arm of this web portion, this is second years old Elastic arm is in order to bias towards this cam member direction this positioning wedged block, and this second elastic arm comprises One presses on the second of this door body compresses face.

Bolt lock mechanism the most according to claim 1, it is characterised in that: this latch piece Further including first elastic arm being arranged at this plate body, this first elastic arm presses on this door body In order to this contact site is biased towards this top bracing member direction.

9. a wafer cassette with bolt lock mechanism；It is characterized in that:

This wafer cassette comprises a box body and one, and this box body is formed with at least one draw-in groove, this box Body includes that one is positioned at the cephalolateral margin on front side of this draw-in groove, and this door includes a door body, and at least one door bolt Latch mechanism, this door body forms an accommodation space, and at least one is connected with this accommodation space Perforate, this perforate is connected with this draw-in groove, and this bolt lock mechanism is arranged in this accommodation space, And this bolt lock mechanism comprises at least one top bracing member, at least one latch piece, and a cam member, should Top bracing member is arranged at this door body and is adjacent to this perforate, and this latch piece includes that one connects slidably Being connected to the plate body of this door body, and at least one contact site, this plate body comprises one and is located at interval at this top The trailing flank in support member front, a contact plate portion being arranged in this perforate, and one in contrast to this The web portion in contact plate portion, this contact site is arranged at this trailing flank and is adjacent to this contact plate Portion, this contact site is in order to contact this top bracing member and can be shored forward by this top bracing member, and this is shored Part and this contact site one of them be a roller and wherein another is a projection, this projection has One in order to contact the inclined-plane of this roller, and this cam member is articulated in this door body rotationally and connects In this web portion, this cam member slides into this contact site by this top in order to drive this latch piece The latched position that support member is shored forward, so that this contact plate portion stretches through to this draw-in groove and pushes up It is butted on this cephalolateral margin.

The wafer cassette with bolt lock mechanism the most according to claim 9, its feature exists In: this top bracing member is this roller and is articulated in this door body, and this latch piece includes multiple being arranged at This trailing flank and the contact site of arrangement spaced apart, respectively this contact site is this projection projection In this trailing flank.

11. wafer cassette with bolt lock mechanism according to claim 10, its feature exists In: this latch piece further includes first elastic arm being arranged at this plate body, this first elastic arm Press on this door body in order to described contact site to be biased towards this top bracing member direction.

12. wafer cassette with bolt lock mechanism according to claim 11, its feature exists In: this door body comprises a front shroud, and this front shroud includes an elongated rib, and this plate body more wraps Containing a leading flank, this first elastic arm protrudes out this leading flank, and this first elastic arm comprises one Press on this elongated rib first compresses face.

13. wafer cassette with bolt lock mechanism according to claim 10, its feature exists In: this door body comprises a hinged unit, and this hinged unit includes multiple spaced pivot Contact pin, respectively this pin-jointing piece forms a pivot connected slot supplying this top bracing member pivot joint.

14. wafer cassette with bolt lock mechanism according to claim 12, its feature exists Form at least one detent in: this cam member, this latch piece further include one be convexly equipped in this before Side and be positioned at the positioning wedged block of this web portion, this positioning wedged block in order to clip in this location Groove is so that this latch piece is positioned at this latched position.

15. wafer cassette with bolt lock mechanism according to claim 14, its feature exists In: this cam member includes a disk body being located at interval at this web portion front, and one is convexly equipped in Push block on rear side of this disk body, this push block comprises one in order to the spiral of this positioning wedged block of pushing tow Curved surface, this spiral camber is formed with this detent, and this push block is formed with at least one by this The arcuate groove that spiral camber caves in towards this disk body direction and is connected with this detent, this arc The bearing of trend of shape groove is identical with the bearing of trend of this spiral camber.

16. wafer cassette with bolt lock mechanism according to claim 15, its feature exists In: this door body further includes a backboard, and this latch piece further includes one and is convexly equipped in this trailing flank and position In the second elastic arm of this web portion, this second elastic arm in order to this positioning wedged block towards this Cam member direction biases, and this second elastic arm comprises one and presses on the second of this backboard and compress face.

17. wafer cassette with bolt lock mechanism according to claim 9, its feature exists In: this latch piece further includes first elastic arm being arranged at this plate body, this first elastic arm Press on this door body in order to described contact site to be biased towards this top bracing member direction.