The buckling and locking device of cold insulated cabinet
Technical field
The present invention relates to the buckling and locking device of cold insulated cabinet, particularly the buckling and locking device that under the occasion of the revolution hinge that it is also used as lid, also can be suitable for.
Background technology
Fig. 8 represents to be used for the latching structure example always of cold insulated cabinet.The buckling and locking device of Fig. 8 (a) is a disclosed device in following patent documentation 1, and this device has: the check lock lever 53 that is installed in the carriage 51 on the lid 65 accordingly and supports by the pin on the carriage 51 52 and with pivot with the portion that fastens 61 of case body 60.Carriage 51 be formed for admitting the portion of fastening 61 opening downwards in conjunction with recess 51a.Check lock lever 53 form the operating portion 53a of lower end side and be provided with highlightedly to the inside be used for stoping the 53b of sheet portion that enters into to deviate from conjunction with the portion that fastens 61 of recess 51a.And, in this buckling and locking device, lid 65 is positioned on the case body 60, when making check lock lever 53 when the revolution of lid side is operated, the 53b of sheet portion will enter in conjunction with the portion that fastens 61 of recess 51a from downside and embrace., combination to stop to deviate from.When the depressed part 60a on being located at case body 60 the inboard of insertion operating portion 53a such as will point and check lock lever 53 pulled out such revolution laterally, above-mentioned combination was disengaged.In addition,, also can make check lock lever 53 bullets, so that prevent the 53b of sheet portion with respect to the disengagement that is not intended to of fastening portion 61 to bonding position though in this structure, do not use elastic component.
Buckling and locking device shown in Fig. 8 (b) is a disclosed device in the following patent documentation 2, and this device has: be arranged on recess 66a on the lid 66 accordingly with the portion that fastens 63 of case body 62, protrude in the perpendicular wall of recess 66a and form with fasten the reinforcement 64 of the contacted outside of the part notch 64a of portion 63, by pin 56 and by the action bars 55 of pivotal support in recess 66a, outstandingly be arranged on the claw-like sheet 57 of action bars 55 inboards and with the elastic component 58 of action bars 55 bullets to recess 66a side.In above buckling and locking device, when lid 66 being positioned on the case body 62 and when making it become closed condition, because of claw-like sheet 57 with fasten the stress that portion 63 contacts, transfer to the outside in case make action bars 55, claw-like sheet 57 just turns round the downside that enters into the portion of fastening 63, simultaneously, outside notch part 64a with fasten portion 63 top and medial surface contact, carry out combination with respect to fastening portion 63.When the inner face that is inserted into action bars 55 such as pointing from being located at depressed part 62a on the case body 62, make action bars 55 overcome the elastic force of elastic component 58 and when the revolution of the lid outside, claw-like sheet 57 breaks away from from fastening portion 63, this combination just is disengaged.
[patent documentation 1]
Te Kaiping 9-268833 communique (the 2nd~4th page, Fig. 1~Fig. 4)
[patent documentation 2]
Practical new case login No. 2588778 communique (the 2nd~3rd page, Fig. 1~Fig. 9)
From following viewpoint, there is certain problem in above-mentioned cold insulated cabinet buckling and locking device always.
The 1st, in device always, owing to make with the inner face side that finger hooks bar check lock lever 53 or action bars 55 to the lid outside revolution operation can remove combination, thereby must be on case body 60,62, the position that down finger is entered forms bigger recess 60a, 62a in off position.Therefore, can make closed condition eventually, also promptly can make the degraded appearance of cold insulated cabinet.Because cold insulated cabinet is in the majority in the situation of outdoor application, so appearance characteristics is the key factor of decision commodity value, even can what improve and a bit might as well.
The 2nd, in most of the cases, a plurality of cold insulated cabinets closely are placed on the chosen position of fishing boat or vehicle etc., at this moment, make above-mentioned check lock lever 53 or action bars 55 could remove the structure of combination if buckling and locking device made, will take place to carry out operation that lid is opened because of insufficient space to the revolution of the lid outside.In addition, in opening operation, because of the relation of cold insulation structure, the loading of lid is also become greatly, for example, at the medial surface that finger is stretched into check lock lever 53 or action bars 55, to the lid outside pull out and remove in conjunction with after, must lid sidepiece dominated by hand and it is lifted, thereby use very inconvenient.
The 3rd, in cold insulated cabinet, can select two kinds of unfolding mode: by the buckling and locking device of both sides and the open mode that opens and closes, lid is come off from the case body; With with a side buckling and locking device as the revolution hinge, to the one-sided rotating one-sided open mode of case body.Thereby, in order can repeatedly to use, make buckling and locking device good and can reduce cost to the assembleability of lid etc., in device always, owing to each parts will be assembled on the lid successively, perhaps the processing of lid side also becomes complicated, thereby is difficult to improve.
Summary of the invention
The objective of the invention is to solve above problem, the buckling and locking device of cold insulated cabinet is provided, particularly a kind of appearance characteristics that can make is good, thereby the restriction that does not have uncap operation can improve the randomness of use, and can make the critical piece modularization, makes the buckling and locking device of the cold insulated cabinet of its assembling characteristic with good parts processing and management and lid.
The cold insulated cabinet buckling and locking device of the present invention of making for achieving the above object, if in addition specific with the example of Fig. 1~Fig. 7, buckling and locking device 3 has: the check lock lever 30 that is contained on the lid 2 of opening of switch-box body 1, can fastens or dismantle with the portion that fastens 16 that is arranged on the above-mentioned case body 1; With above-mentioned check lock lever bullet to the above-mentioned elastic component 7 of fastening the binding site direction that portion 16 combines; With the operating portion 32 that above-mentioned check lock lever 30 is changed to the releasing position from above-mentioned binding site, it is characterized in that, above-mentioned check lock lever 30 is by being arranged on the above-mentioned lid 2, and with above-mentioned fasten that portion 16 is configured in can be from the above-mentioned elastic component 7 the spatial portion S that under shed inserts to the inside, bullet is to the inner face direction of the outer side vertical wall portion (such as wall part 40b of the outer wall 40 on the cover 4) that forms above-mentioned spatial portion S, meanwhile, by with aforesaid operations portion 32 from the outside of above-mentioned lid 2 inwards direction push, overcome the elastic force of above-mentioned elastic component 7 and rotate, change to removing the position from above-mentioned binding site.
(main action etc.) has said structure cold insulated cabinet buckling and locking device of the present invention, with respect to existing finished product following some improvement arranged.
(1) at first, aspect the appearance design of cold insulated cabinet (cover closing state), owing to adopt from the outside of lid the formation of press operating part to the inside, so needn't being set, the such finger of above-mentioned existing finished product inserts the used recess of case body, in addition, being arranged on the opening that the operating portion on the lid uses also can be less, thereby can make the beautiful degree of freedom that maybe can enlarge design of outward appearance.
(2) lid is being transformed into by closed condition under the occasion of open mode, when the elastic force that operating portion is overcome elastic component and when the inboard pressing operation of lid, check lock lever rotates because of above-mentioned pushing, and has removed the combination with respect to the portion that fastens of case body.Thereby, in the buckling and locking device of invention, even under the bigger state of lid loading, because the user can begin lid to lift continuously from the state that operating portion is pushed to the lid inboard, so just eliminated existing finished product like that with operating portion after pull out in the lid outside, miscellaneous property of lid sidepiece dominated by hand, can improve the convenience of use, in addition, available structure of pushing to the lid inboard relaxes the restriction on the space listed above.
(3) lid is being become once more under the occasion of closed condition, lid is overlapped like that according to blocking the case body, the stress that contacts by the portion of fastening with the case body, check lock lever is rotated to the interior direction of lid, and in case escape the back, when fastening portion, get back to original binding site by the elastic force of elastic component, combination with respect to fastening portion.At operating portion and check lock lever equidirectional, promptly rotate or shake on this aspect to the lid inboard, above-mentioned action and operating portion are opposite to the formation of Fig. 8 (b) that rotate in the lid outside, and the discomfort in the time of making in conjunction with conversion obtains relaxing.
The invention described above can be launched like that according to embodiments of the present invention 2~6.
In embodiment 2, because above-mentioned check lock lever 30 is to fasten graft union 33 and aforesaid operations portion 32 transversely arranged being integrally formed into that portion 16 fastens or dismantles with above-mentioned, so number of components is reduced, with respect to the structure of Fig. 8 (b), have can't see as far as possible movable part advantage.
In embodiment 3 and since have be installed on the above-mentioned lid 2 and with the corresponding portion that is arranged on above-mentioned lid 2 on notch (for example getting out of a predicament or an embarrassing situation 27) between form the cover 4 of above-mentioned spatial portion S; Operating portion 32 is configured on the above-mentioned cover 4 abreast with above-mentioned check lock lever 30 and elastic component 7.So buckling and locking device can be formed assembly, can improve the property handled and to the assembleability of lid.In addition, the shape of lid is also easily along with the cover change.But the present invention also can omit cover, manage to make the lid finishing die, and above-mentioned spatial portion and lid are integrally formed into.
In embodiment 4,, make its part make opening 42 simultaneously, make aforesaid operations portion 32 be configured in above-mentioned opening part with exposing because above-mentioned cover 4 is roughly to become a plane earth to form with the lateral parts of above-mentioned lid 2.For example, operating portion 32 is made the state of the opening deburring of using cover, just can make outward appearance beautiful.
In embodiment 5, because aforesaid operations portion 32 outside, laterally forms the recess 32a that uses on the elongated finger hook, so carrying out above-mentionedly when removing, will point or finger stretches into recess, can prevent to skid off, continuously lid is lifted easily.
In embodiment 6 and since above-mentioned check lock lever 30 be also used as with above-mentionedly fasten under the state that portion 16 engages, rotation hinge during with above-mentioned lid 2 switches, so can be with the versatility maintenance of buckling and locking device 3 with former identical.
Description of drawings
Fig. 1 is that the summary outside drawing of cold insulated cabinet of the present invention under the lid open mode used in expression.
Fig. 2 is an employed buckling and locking device structure chart in the cold insulated cabinet of presentation graphs 1.
Fig. 3 is the approximate decomposition map that the structural elements of the buckling and locking device of presentation graphs 2 concerns to each other.
Fig. 4 is the figure of main member details in the structural elements of presentation graphs 2.
Fig. 5 is the action diagram of the buckling and locking device of expression when making above-mentioned lid be in closed condition.
Fig. 6 be remove above-mentioned cover closing state and buckling and locking device in conjunction with the time action diagram.
Fig. 7 is the action diagram of the buckling and locking device when making above-mentioned lid be in one-sided opening.
Fig. 8 is the key diagram of expression conduct with the existing problem of buckling and locking device of the cold insulated cabinet of preceding example.
Embodiment
Below, with reference to Fig. 1~Fig. 7 embodiments of the present invention are described.Fig. 1 is the cold insulated cabinet skeleton diagram that is illustrated in the state that lid is taken off from the case body, and Fig. 2~Fig. 4 has represented the structure of the buckling and locking device of Fig. 1.Fig. 2 (a) is the front view of buckling and locking device, and Fig. 2 (b) is the amplification profile along the A-A line of (a), and Fig. 2 (c) is the amplification profile along the B-B line of (a).Fig. 3 is the figure of expression with the component relation of buckling and locking device decomposition.Fig. 4 (a) is an ideograph of seeing cover from the back side, and Fig. 4 (b) is an ideograph of seeing check lock lever from the back side, and Fig. 4 (c) is the end view of cover, and Fig. 4 (d) is the end view of check lock lever.Fig. 5~Fig. 7 is the action diagram of the open-close lid period of the day from 11 p.m. to 1 a.m.Below, to after being elaborated as the cold insulated cabinet of object of the present invention and buckling and locking device, the action when putting off until some time later bright lid open-close etc.In addition, the present invention is not limited to this embodiment.
(cold insulated cabinet)
The cold insulated cabinet of present embodiment possesses: case body 1, the buckling and locking device 3 that the opening of case body 1 is carried out the lid 2 of switch and is located at lid 2 both sides and makes lid 2 and case body 1 (the portion that fastens 16) combine or unload.Wherein, case body 1 is the rectangle cube of upper shed, divides the subtend sidewall 11,11 and the short subtend sidewall 12,12 and the diapire 13 of growing up, and forms the resettlement section thus.Heat-barrier material 14 (with reference to Fig. 5) is filled in the resinous housing that forms profile, forms thicker wall construction.On two side 11, extend about being provided with and the step 15 of the outer avris excision of upper surface.This step 15 makes left and right sides mid portion 15a a little low slightly.Being provided with in the both sides of mid portion 15a is to fasten portion 16.Thereby, fasten portion 16 at one-sided 2 places that are provided with, both sides just are provided with 4 places altogether.Respectively fasten portion 16 and can be and axle 17 is flatly with respect to carriages 18 of installing support, also can make installation portion and axial region form one with hard resin etc.On two side 12, the notch part 19a with concavity is made down at roughly middle place, the front and back of downside is being provided with little bellying 19b in this notch part 19a.This little bellying 19b is the osculum portion that draining is used.In addition, accompanying drawing has omitted installation components such as connection handle and shoulder belt, but in fact can be on the subtend sidewall 12,12 of case body 1, the symbol M place of Fig. 1 sets up above-mentioned installation component.
The size of above-mentioned lid 2 is that the upper shed of case body 1 is blocked like that with being integral, is divided into the subtend sidewall 22,22 of long subtend sidewall 21,21 and weak point and goes up lower wall 23,24.Heat-barrier material 25 (with reference to Fig. 5) is filled in the resinous housing that forms profile, forms thicker wall construction.On two side 21, buckling and locking device installation portion 26 is being set accordingly with above-mentioned step 15.If explain with Fig. 5, then each installation portion 26 is by getting out of a predicament or an embarrassing situation 27 and top bar and 28 forms, and the former makes the edge side of lower wall 24 approach edge side that upper wall 23, the latter make upper wall 23 partly to hang down some than the thickness of slab of cover described later.On lower wall 24, adorning the encapsulant that roughly is the frame shape 29 with the opening edge portion subtend of case body 1.Lid 2 case body 1 is closed and also the locking-in state of the buckling and locking device 3 that makes both sides and the corresponding portion that fastens 16 combinations under, the edge of opening portion crimping of sealing material 29 and case body 1 spills to prevent air.As hermetically-sealed construction, can be as required, between the edge of opening portion of encapsulant 29 and case body 1, promptly with respect to contact-making surface, set up material such as protruding or concavo-convex.Above lid 2 can be changed between following 2 kinds of modes: by the buckling and locking device 3 of both sides, with respect to case body 1 form the mounting means (the cover closing state of Fig. 7) of closing and the disengaging mode of opening fully (the lid open mode of Fig. 5) and with a side of both sides buckling and locking device 3 as the one-sided unfolding mode (the one-sided open mode of Fig. 6) of turning round hinge.
(buckling and locking device)
The structure of this buckling and locking device 3 is by carriage 5 and axle 6, can make check lock lever 30 only with the angle of regulation with respect to cover 4 revolve axle, by screw type elastic component 7 bullets to the binding site direction.Cover 4 and check lock lever 30 are resin forming products, and carriage 5 and axle 6 are that metal is made.Wherein the vertical section of cover 4 is roughly to be the font of falling L, with the state on the installation portion 26 that is contained in lid 2, makes its outer wall 40 roughly become conplane shape with the outside of the corresponding portion of lid 2.If as an illustration with Fig. 2~Fig. 4, then outer wall 40 has two side 41 and the opening 42 that is located at the left and right sides pars intermedia of downside, when being configured on the installation portion 26, down the downside of side direction lid 2 corresponding portions is overhanging for it, and the size of this over-hang part is that activation is greatly received in the step 15 of case body 1.Inner face (back side) at outer wall 40 is provided with: be positioned at upside and the horizontal bar 43 that is connected with two side 41, about and by horizontal bar 43 downwards outstanding location usefulness projection 44, constituting the interior side-prominent pawl 45 of 40a above outer wall 40 roughly horizontal, between top 40a and horizontal bar 43 and near both sides outstanding vertical muscle 46 and be positioned at horizontal bar 43 downside and at horizontal and vertical a plurality of outstanding muscle 48.On horizontal bar 43 and outer wall 40 roughly horizontal, form the space that to insert lid side installation portion 26 between 40a.Projection 44 disposes carriage 5 location.That is, carriage 5, its section roughly is the コ word shape, has: be located at two in the sheet portion axis hole 5a, be located at 2 installing hole 5b in the intermediate portion and location with hole 5c with roughly be the notch part 5d of semicircle shape.In addition, carriage 5 can temporarily be mounted to respect to cover 4, state that hole 5c is combined with projection 44.In addition, notch part 5d be used for preventing in temporary transient installment state, prevention is collided with the corresponding portion of cover 4 and make carriage 5 be not intended to that revolution causes become flexible.
Above-mentioned check lock lever 30, its whole big activation is housed in the slender member of inner face (back side) side of cover 40, has: become heart portion body 31, be located at body 31 bottoms about roughly in the middle of the operating portion 32, the upside that is located at the joint portion 33 on the both sides, bottom of body 31 and is positioned at body 31 at place in many places the outstanding vertical muscle 34 that is provided with.Operating portion 32 be at vertical muscle 37a and notch part 37b under the state between the joint portion, both sides 33, with respect to body 31 all-in-one-pieces, and be configured in opening 42 places of cover 4.Form in the outside of operating portion 32 can put into finger (a plurality of finger) with pointing the recess 32a that hooks.Joint portion 33 roughly forms the L font, has with body 31 all-in-one-piece vertical plate 33a with at the outstanding hook-shaped claw 33b of the lower front side of vertical plate 33a.The pars intermedia of claw 33b forms otch.Each vertical muscle 34 forms axle 6 and inserts logical axis holes 36, and forms one section low step 35 to each other at these muscle.In addition, each vertical muscle 34 has the function of block concurrently, is used for because uncap 2 and when as the left figure of Fig. 6 check lock lever 30 being pressed to the inboard, prevents that the upper end from colliding with the corresponding inner face of cover 4 and excessive the revolution.And utilization is near the both sides of body 31, at above-mentioned carriage 5 of configuration and elastic components 7 such as vertical muscle 34 steps 35 to each other.The screw diameter of the axis hole 5a of carriage 5 and axis hole 36, elastic component 7 and axis hole 36 are to design on same axis transversely arrangedly.In addition, set up the muscle 38 that strengthens usefulness in length and breadth at the back side of check lock lever 30 and preventing to be positioned at the teat 38a that near the error group of the elastic component 7 the both sides is share.
(assembling)
More than each member be assembled in the cover 4, form buckling and locking device 3 assemblies.In this assembling operation, as shown in Figure 3, by above-mentioned axle 6, carriage 5 and elastic component 7 are assembled with respect to check lock lever 30.Its main points are, for example, axle 6 is inserted with respect to body 31, by the such order of axis hole 5a of the opposite side of the spiral internal diameter of a side shaft hole 5a of a distolateral axis hole 36 of inserting logical corresponding vertical muscle 34, carriage 5, elastic component 7, carriage 5 led to.Then, with respect to cover 4 this assembly is installed.Its main points are, for example, with the carriage 5 of both sides with respect to cover 4, hole 5c is combined and when loading onto with projection 44 temporarily, the two ends of axle 6 are limited in the corresponding muscle 48 of above-mentioned and cover rear side, deviate to prevent it.But this is an example, also can be with other assemble sequence.
By with cover 4 and carriage 5 with respect to the installation of lid 2 and form buckling and locking device 3 assemblies.That is, in this assembling work, on cover one side 43 of 40a and horizontal bars, be pressed into the installation portion 26 of lid 2.Thus, by above-mentioned pawl 45, cover 4 temporarily is contained on the installation portion 26.Then, with hold-down screw by the not shown hole of the installing hole 5b of carriage 5 and horizontal bar 43, with respect to the fixing cover 4 of installation portion 26.Its main points are, the said fixing screw is also used as with respect to the basic fixed of the cover 4 of lid 2 with respect to the basic fixed of the carriage 5 of horizontal bar 43.But mounting structure also can be other formation.In addition, after being installed in buckling and locking device 3 on the lid 2 as described above that the corresponding portion combination of distolateral and a carriage 5 of elastic component 7 is distolateral when producing spring pressure with another, combine with the rear side of check lock lever 30.Need not say that this operation of both sides that buckling and locking device 3 is installed in lid 2 becomes easily processing and management because of forming assembly, and can carry out the installation exercise to lid 2 easily.This is the advantage of buckling and locking device 3 just.In addition, because under the state of adorning of buckling and locking device, cover 4 is consistent with the outside of the corresponding portion of lid 2, needs only opening 42 places that make elongated operating portion 32 expose cover 4 in appearance, thereby lid 2 just is simplified, and outward appearance is also very good.
(action)
The left figure of Fig. 5 represents to be contained in the state of the buckling and locking device 3 on the lid 2.Usually, the appearance of buckling and locking device 3 is that elastic force by elastic component 7 turns to bonding station with check lock lever 3.On this bonding station, the lower end claw 33b at graft union 33 among the outer wall 40 of cover 4, with the inner face of the two side portions 40b (with reference to Fig. 1) of opening 42 mutually ground connection be restricted.The right figure of Fig. 5 represents to make the top process that overlaps, forms the cover closing state of lid 2 and case body 1.In this process, check lock lever 3 contacts the circular-arc following and axle 17 of fastening portion 16 of claw 33b, in case the stress that is produced by this contact and escaping to the inside (with respect to the inside of step 15), claw 33b just one side contacts with the rear side of the axle 17 of fastening portion 16, and the side that faces down is passed through.By after, because of the elastic force of elastic component 7, make check lock lever 3 turn to binding site, claw 33b 17 is combined with axle.This combination makes lid 2 become locking-in state (appearance that lid is loaded onto) by a little down pushing lid after normally being contained in lid 2 on the case body 1.Fig. 6 (a) and right figure (b) represent the appearance that this lid is installed.Under this state, encapsulant 29 with the edge of opening portion crimping of case body 1.In appearance, the step 15 of case body 1 is covered with by the downside of the outer wall 40 of cover 4, gap narrower (finger can not insert the gap of degree) between operating portion 32 and the low one section part 15a, and the claw 33b and the gap between the step 15 of joint portion 33 are narrow too.Therefore, as the cold insulated cabinet of this mode, compare with cold insulated cabinet always, outside concavo-convex less presents simple and brand-new appearance design.
Fig. 6 (a) and (b) left figure, the side of buckling and locking device 3 that both sides were unloaded or made to expression from case body 1 with lid 2 process during as one-sided the opening of rotation hinge.Under the occasion that lid 2 is unloaded, make a plurality of fingers, be that finger inserts among the recess 32a of operating portion 32, under this state, upwards lift.Say more meticulously and be exactly, since make operating portion 32 overcome elastic component 7 elastic force, rotate to the inside from the front of step 15, joint portion 33 and claw 33b are also rotated towards direction same as described above, thereby just removed the combination of claw 33b with respect to axle 17.Under this state, by Fig. 6 (a) and (b) left figure as seen since remove in conjunction with the time, operating portion 32 is to the inside of step 15, promptly to the medial movement of lid 2, so, even lid 2 is heavier, also can remove this lid 2 in conjunction with the time lift continuously.This means, owing to be to carry out an operating of contacts just can realize, this is not only much superior than existing finished product aspect ease of use, and is by operating portion 32 is depressed and removed in conjunction with, the restriction that will classify the space of problem as and also can relax releasing simultaneously to the inboard of lid 2.In contrast, Fig. 7 represents above-mentioned one-sided open mode.Under with the lid 2 one-sided occasions of opening, with above-mentionedly similarly make a plurality of fingers, be that finger inserts among the recess 32a of operating portion 32, from this state, only make the side's buckling and locking device 3 in the both sides buckling and locking device 3, the opposing party's buckling and locking device 3 is carried out rotating operation as rotating hinge.
The present invention the specific necessary condition, can be out of shape with reference to aforesaid way in the 1st invention as required.As the one example, spatial portion S of the present invention is the corresponding portion that the part suitable with the cover 4 of embodiment is attached to lid 2.In addition, the portion that fastens that buckling and locking device of the present invention also can be on being located at case body 1, as locking device or Hinge, this does not have the difference of essence.
By above explanation, the buckling and locking device of cold insulated cabinet of the present invention, on lid, set up spatial portion, only change the configuration and the direction of action of check lock lever and operating portion, just the problem of cold insulated cabinet existence always all can be solved, improved the desired appearance characteristics of cold insulated cabinet, can enlarge the degree of freedom of design.Simultaneously, the operation of uncap is unrestricted, thereby the convenience of using also improves or improves.In addition, owing to make construction packageization by cover, thereby manufacturing process is oversimplified, manufacturing expense is reduced significantly, can improve the quality and reliability.