CN208396481U - The electromagnetic lock structure of shared cold storage plant - Google Patents

Abstract

A kind of electromagnetic lock structure of shared cold storage plant, including electromagnetism lock assembly, electromagnetism lock assembly includes lock housing, solenoid valve, lock tongue, torsional spring, solve closing piece, unlock rod conciliates closing piece pressure spring, there is lock tongue hook chamber in the front end of lock housing, lock tongue hook chamber is communicated with lock shell cavity, solenoid valve is fixed in lock shell cavity, valve core upper sleeve sets spool return spring, lock tongue hook is arranged at the lower part of lock tongue, lock tongue hook is supported on lock tongue hook axis, the both ends of lock tongue hook axis are fixed with lock housing, torsional spring is located on lock tongue hook axis, first torsional spring foot of torsional spring is kept out on the top of lock tongue, second torsional spring foot is kept out at the middle part of torsional spring foot backing pin, the both ends of torsional spring foot backing pin are fixed with lock housing, closing piece hub setting is solved on solution closing piece axis, the both ends of solution closing piece axis are fixed with lock housing, one end of unlock rod is fixed with solution closing piece, the other end is solution lock end, solution closing piece pressure spring be located at solution closing piece top with Between lock housing.Emergency unlock artificially can be implemented to unlock rod when encountering such as situation of power failure, electrical control gear failure etc.

Description

The electromagnetic lock structure of shared cold storage plant

Technical field

The utility model belongs to foodstuffs refrigerator technical field, and in particular to a kind of electromagnetic lock knot of shared cold storage plant Structure.

Background technique

The name of aforementioned shared cold storage plant is to match according to for its application from macrostructure and logistics It makes arrangements for his funeral and refrigerating fresh-keeping locker is held to have similarity.Specifically, the former is mainly used for for example middle higher vocational technology of school School, the student dormitory of institution of higher learning, scientific research institutions, office building, the Inpatient Area of hospital, the dormitory area of industrial and mining enterprises etc., then Person is mainly used for community, the specific region of residential building, the cell entrance guard with estate management, etc..The former usage mode table Now temporarily independently deposit for user and independently extract, and the latter then shows as being sent to by logistics department and after interim preservation by User self extracts.

The former above-mentioned typical example can be seen in disclosed Chinese patent literature, such as CN206709472U(mono- Kind of the public refrigerator in community), a kind of shared refrigerator of CN207081258U(), CN207197040U(direct cooling type share refrigerator) and CN207197039U(refrigerator), etc..The typical example of above-mentioned the latter can be equally seen in disclosed Chinese patent literature, Such as a kind of logistics distribution terminal of CN202757368U(is freezed heat-insulated fresh-keeping storage cabinet), a kind of logistics of CN203168470U(matches Make arrangements for his funeral the thermal insulation cabinet at end), the fresh-keeping automated terminal station of solar cold and warm of CN202976312U(food and drink online shopping community's centrally managed distribution), The preservation device of CN103689920B(logistics distribution terminal), the sectional cabinet of CN103735045B(logistics distribution terminal Body structure) and CN104146501B(logistics distribution terminal refrigerating fresh-keeping article cabinet structure), etc..

Above-mentioned shared cold storage plant and terminal preservation device can embody convenience and the maximization of resource uses Effect still in the actual use process, often encounters such as repairing of external power supply route, electrical cabinet (feeder cabinet) event The situation of barrier, tripping and electromagnetic lock faults itself etc, cause the electromagnetic lock of the deposit chamber door for controlling cold storage plant without The difficult situation that method is opened in time within a short period of time, to solve this problem, applicant proposed technologies described below Scheme is just.

Summary of the invention

The task of the utility model be to provide one kind help to be advantageously carried out artificial emergency unlock and use avoid it is all As the influence user caused by the situation of power failure, electrical control gear failure etc picks and places the shared of food to deposit chamber in time The electromagnetic lock structure of type cold storage plant.

What the task of the utility model was performed by, a kind of electromagnetic lock structure of shared cold storage plant, including one Electromagnetism lock assembly, the electromagnetism lock assembly include lock housing, solenoid valve, lock tongue, torsional spring, solve closing piece, unlock rod reconciliation closing piece pressure spring, Constituting in the front end of lock housing has lock tongue hook chamber, which communicates with the lock shell cavity of lock housing, and solenoid valve is corresponding to lock tongue The position of rear end is fixed in lock shell cavity and the upper end of the spool of the solenoid valve is leant out outside lock shell cavity, is equipped in the valve core upper sleeve One spool return spring, the lower part of lock tongue, which is constituted, a lock tongue hook, the lock tongue hook be rotatably supported on lock tongue hook axis and with The lock tongue hook chamber is corresponding, and the both ends of lock tongue hook axis are fixed with lock housing, and torsional spring is arranged on lock tongue hook axis, and the of the torsional spring One torsional spring foot is kept out on the top of lock tongue, and the second torsional spring foot of torsional spring is kept out at the middle part of torsional spring foot backing pin, torsional spring foot gear The both ends of pin are fixed with lock housing, solve closing piece in the position hub setting for corresponding to lock tongue on solution closing piece axis, and solve the both ends of closing piece axis It is fixed with lock housing, one end of unlock rod towards solution closing piece is fixed with solution closing piece, other end court behind the upper end for passing through the spool Lock housing rear end stretch and be configured to solve lock end, solution closing piece pressure spring be arranged in solution closing piece top and lock housing between.

In a specific embodiment of the utility model, an electromagnetic lock control line is offered in the rear end of the lock housing Relief hole is introduced, and is inserted in the position for corresponding to electromagnetic lock control line introducing relief hole and is embedded with a rubber gasket.

In another specific embodiment of the utility model, on the spool and corresponding to the unlock The position of bar offers a unlock rod aperture, and unlock rod passes through the unlock rod aperture；A unlock is offered on the top of the solution closing piece Briquetting spring cavity, the solution closing piece pressure spring be supported on unlock briquetting spring cavity and the lock housing towards the side of solution closing piece it Between.

Technical solution provided by the utility model can when encountering such as situation of power failure, electrical control gear failure etc Emergency unlock artificially is implemented to unlock rod, ensures that user picks and places food to deposit chamber.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the electromagnetism lock assembly of the utility model.

Fig. 2 is the structure chart for the shared cold storage plant that the utility model provides.

Fig. 3 is lock shown in FIG. 1 in schematic diagram when unlocking with electromagnetism lock assembly.

Fig. 4 is lock shown in FIG. 1 in the schematic diagram with electromagnetism lock assembly when sealed.

Fig. 5 is the schematic diagram of refrigeration mechanism shown in Fig. 2.

Specific embodiment

In order to which the technical essence of the utility model and beneficial effect is more clearly understood, applicant is below with reality The mode for applying example elaborates, but is not limitation to the utility model, any foundation to the description of embodiment The made only formal but not substantive equivalent transformation of the utility model design is regarded as the utility model Technical solution scope.

The concept of all directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description On the basis of the location of Fig. 2 state, thus the spy to technical solution provided by the utility model cannot be understood as It does not limit.

In order to easily understand the utility model, applicant is first illustrated Fig. 2 to Fig. 4.Fig. 2 is referred to, is shown Cabinet body 1, separating in the cabinet body 1 has deposit chamber 11 independent, and the quantity of the deposit chamber 11 has a plurality of vertical from left to right Column and each file have from top to bottom it is a plurality of, the top of cabinet body 1 cabinet body top plate 12 top constitute have a cabinet top case 13, There is a cabinet top case chamber 131 in the cabinet top case 13, in the lower part of cabinet body 1 every equipped with a refrigeration mechanism chamber 14；Show refrigeration machine Structure 2, the refrigeration mechanism 2 include compressor 21, condenser 22 and evaporator 23, and compressor 21 and the setting of condenser 22 are being freezed In mechanism 14, and the quantity of evaporator 23 is equal with the deposit quantity of chamber 11 and is fixed on cavity wall after the deposit chamber of deposit chamber 11 On, the evaporator 23 in each adjacent deposit chamber 11 is that pipeline links each other, and refrigerant is drawn by compressor 21 and successively through cold Condenser 22 and evaporator 23 are returned by evaporator 23 again to be led to compressor 21 and forms refrigeration system circuit；It shows and aforementioned deposit The equal deposit chamber door 3 of the quantity of chamber 11, the deposit chamber door 3 correspond to deposit chamber 11 deposit chamber accent position setting and The deposit chamber door hub setting end of the deposit chamber door 3 is pivotally connected by pin shaft 31 and the front side of aforementioned cabinet body 1, and in deposit chamber door 3 Free end and towards deposit chamber 11 side be fixed with a lock 32；Show the same quantity phase with aforementioned deposit chamber 11 Deng for the aforementioned electromagnetism lock assembly 4 of the utility model lock 32 locking or unlocked, the electromagnetism lock assembly 4 to be right It should be on the side chamber wall that the position of lock 32 be fixed on deposit chamber 11 and by route and being arranged in aforementioned cabinet top case chamber 131 Electric controller 5 is electrically connected.

In the present embodiment, aforementioned deposit chamber 11 is longitudinal from left to right is there are four vertically disposed columns, and each For file from top to bottom there are five chamber 11 is deposited, then amounting to has 20 deposit chambers 11, but is not exposed to the lifted number of the present embodiment The limitation of amount, for example, file quantity can there are six, eight or ten etc., the quantity of the deposit chamber 11 in each file can With there are six or more.But it with even number is preferred that applicant, which thinks the quantity of file,.

Coefficient of refrigerating performance circuit above-mentioned is: compressor 21 → condenser, 22 → filter (not shown) capillary (figure In be not shown) → 23 → liquid storage tube of evaporator (not shown) → compressor 21, to form sweat cooling circuit.

It is also shown in Fig. 2 and is equipped with insulating layer 16 in the interlayer of the wall body of cabinet body 1, insulating layer 16 is polyurethane foam Layer.

It further include having an emergency solution for acting on aforementioned electromagnetic lock assembly 4 in the structural body of shared cold storage plant Latch mechanism 6, this should strive unlocking mechanism 6 be arranged in cabinet top plate 12 above-mentioned and be stretched over cabinet top plate 12 lower section and aforementioned electricity Magnetic padlock assembly 4 matches.Since emergency unlocking mechanism 6 is manual operation, thus " hand emergency solution lock machine can be called Structure (the same below) ".

As shown in Figure 2, aforementioned cabinet body 1 has a upper frame 15, which is located in aforementioned cabinet top case chamber 131, above-mentioned Electric controller 5 and the rear side of upper frame 15 are fixed.Preferably, one ad display screen 132 can be set in the front side of cabinet top case 13.

It refers to Fig. 3 to Fig. 4 and combines Fig. 2, in a plurality of files above-mentioned, be assigned per two adjacent files One emergency unlocking mechanism 6 above-mentioned, the emergency unlocking mechanism 6 include a compression bar fulcrum bearing 61, a compression bar 62, a connecting tube 63, a pair of of unlock ejector sleeve 64, a pair of of outer catheter 65 and a pair of of unlock ejector sleeve return spring 66, compression bar fulcrum bearing 61 is located at above-mentioned In cabinet top case chamber 131 and fixed with cabinet body top plate 12 above-mentioned, the middle part of compression bar 62 and the top of compression bar fulcrum bearing 61 are hinged And one end of compression bar 62 towards the connecting tube 63 is threaded through the middle part of connecting tube 63, and a pair of of outer catheter 65, which is respectively constituted, to be had one from upper End perforation to lower end outer catheter chamber 652, this to outer catheter 65 correspond respectively to two files above-mentioned and this to outer catheter 65 top and cabinet body top plate 12 above-mentioned are fixed, and lower part correspond to aforementioned electromagnetic lock assembly 4 rear side (i.e. rear end, with Position similarly hereinafter) is arranged on the side chamber wall of aforementioned deposit chamber 11 and is stretched over the lower part of cabinet body 1, on a pair of of outer catheter 65 And presser feet resigning chamber 651 is respectively offered in position corresponding with the rear side of aforementioned electromagnetic lock assembly 4, the presser feet resigning chamber 651 quantity is equal with the deposit quantity of chamber 11 in an aforementioned file, and a pair of unlock ejector sleeve 64 is respectively by unlock ejector sleeve segment 641 form with unlock ejector sleeve segment connecting tube 642, the unlock ejector sleeve segment 641 and unlock ejector sleeve segment connecting tube 642 and one The quantity of aforementioned deposit chamber 11 in a aforementioned file is equal and is arranged in outer catheter chamber 652 above-mentioned up or down, Unlock ejector sleeve segment connecting tube 642 is connected to upper and lower two adjacent unlock ejector sleeve sections in the position for corresponding to presser feet resigning chamber 651 Between section 641, it is extended with a unlock presser feet 6421 in the side of unlock ejector sleeve segment connecting tube 642 towards presser feet resigning chamber 651, The unlock presser feet 6421 is flexed outward through presser feet resigning chamber 651 and is matched with electromagnetism lock assembly 4 above-mentioned, in solution above-mentioned Lock in ejector sleeve segment 641, probeed into aforementioned cabinet top case chamber 131 positioned at the upper end of the unlock ejector sleeve segment 641 of topmost and with The end of aforementioned connecting tube 63 connects, the connecting tube of unlock the ejector sleeve segment chamber 6411 and connecting tube 63 of unlock ejector sleeve segment 641 Chamber 633 communicates, and the upper end of a pair of unlock ejector sleeve return spring 66 and upper frame 15 above-mentioned are fixed, and lower end and aforementioned topmost It is fixed to unlock ejector sleeve segment 641；Aforementioned lock 32 is by the free end of lock fixing screws 321 and aforementioned deposit chamber door 3 before The side for stating deposit chamber 11 is fixed.

Please emphasis see Fig. 2, aforementioned compression bar 62 middle part towards under side constitute have a compression bar hinged ear 621, the pressure Bar hinged ear 621 is hinged by compression bar hinged ear lock shaft 6211 and the top of aforementioned compression bar fulcrum bearing 61；In aforementioned connecting tube 63 Each downward bending in both ends end and constituted a connecting tube arm 631, positioned at the upper of the aforementioned unlock ejector sleeve segment 641 of topmost End is connect in aforementioned cabinet top case chamber 131 with connecting tube arm 631 above-mentioned.

In the present embodiment, a pair of of unlock ejector sleeve return spring 66 above-mentioned is tension spring, at the middle part of aforementioned connecting tube 63 And a compression bar is fixed with towards upper side and wears ring 632, one end of aforementioned compression bar 62 towards connecting tube 63 is threaded through the pressure Bar is worn on ring 632.

As shown in Fig. 3 and Fig. 4, in aforementioned unlock ejector sleeve segment connecting tube 642 and corresponding to aforementioned unlock presser feet The position of 6421 top offers an electromagnetic lock control line and introduces relief hole 6422, which introduces relief hole 6422 communicate with the unlock ejector sleeve segment chamber 6411 of aforementioned unlock ejector sleeve segment 641, shown in Figure 2 and aforementioned electric controller Successively unlocked ejector sleeve segment chamber 6411 and electromagnetic lock control line introduce the extraction of relief hole 6422 simultaneously to the control line 7 of 5 electrical connections It is connect with 4 electrical control of electromagnetism lock assembly.

Referring to Figure 1, electromagnetism lock assembly 4 above-mentioned includes lock housing 41, solenoid valve 42, lock tongue 43, torsional spring 44, solution closing piece 45, unlock rod 46 conciliates closing piece pressure spring 47, and lock housing 41 is in the position for corresponding to aforementioned lock 32 and the side chamber of aforementioned deposit chamber 11 Wall is fixed, and lock housing 41 is fixed in the position for corresponding to aforementioned lock 32 and the side chamber wall of aforementioned deposit chamber 11, before lock housing 41 Holding and constituting in the position for corresponding to aforementioned lock 32 has lock tongue hook chamber 411, the lock shell cavity of the lock tongue hook chamber 411 and lock housing 41 412 communicate, and solenoid valve 42 is fixed in lock shell cavity 412 and the valve of the solenoid valve 42 in the position at the rear for corresponding to lock tongue 43 The upper end of core 421 is leant out outside lock shell cavity 412, and a spool return spring 4212, the lower part of lock tongue 43 are arranged on the valve cake 421 Composition has a lock tongue hook 431, the lock tongue hook 431 be rotatably supported on lock tongue hook axis 4311 and with lock tongue hook chamber above-mentioned 411 is corresponding, and the both ends of lock tongue hook axis 4311 and lock housing 41 are fixed, and torsional spring 44 is arranged on lock tongue hook axis 4311, the torsional spring 44 The first torsional spring foot 441 keep out on the top of lock tongue 43, and the second torsional spring foot 442 of torsional spring 44 is kept out in torsional spring foot backing pin 4421 Middle part, the both ends of the torsional spring foot backing pin 4421 and lock housing 41 are fixed, and solution closing piece 45 exists in the position hub setting for corresponding to lock tongue 43 It solves on closing piece axis 451, and solves both ends and the fixation of lock housing 41 of closing piece axis 451, the one end and solution of unlock rod 46 towards solution closing piece 45 Closing piece 45 is fixed, and the other end stretches behind the upper end for passing through aforementioned spool 421 towards the rear end of lock housing 41, i.e., towards aforementioned unlock Lock end 461 is stretched and is configured to solve in the direction of presser feet 6421, and top and the lock housing of solution closing piece 45 is arranged in solution closing piece pressure spring 47 Between 41, aforementioned unlock presser feet 6421 is matched with aforementioned solution lock end 461.

When aforementioned deposit chamber door 3 is in close state, aforementioned lock 32 is probeed into aforementioned lock tongue hook chamber 411 and by preceding The lock tongue hook 431 stated locks, while aforementioned solution closing piece 45 is in the lock state to aforementioned lock tongue 43, and works as aforementioned solenoid valve 42 It is powered when making valve body intrinsic displacement of the aforementioned spool 421 to solenoid valve 42, aforementioned unlock rod 46 is driven by spool 421 and makes unlock rod 46 drive solution closing piece 45 to turn round around aforementioned unlock rod axis 451 towards one end of solution closing piece 45, and solution closing piece 45 divides with aforementioned lock tongue 43 From, make under the action of aforementioned torsional spring 44 lock tongue hook 431 exit aforementioned lock tongue hook chamber 411 and release to it is aforementioned lock 32 lock It is fixed, when power loss makes aforementioned electromagnetic valve 42 that can not work and implements emergency unlock, by aforementioned unlock presser feet 6421 to aforementioned solution Lock end 461 acts on, and aforementioned lock tongue hook 431 is made to release the locking to aforementioned lock 32.

Continue to see Fig. 1, is to offer an electromagnetism towards the side of aforementioned unlock presser feet 6421 in the rear end of aforementioned lock housing 41 Lock control line introduces relief hole 413, and inserts in the position for corresponding to electromagnetic lock control line introducing relief hole 413 and be embedded with a rubber Glue seal washer 4131, control line 7 above-mentioned introduce lock shell cavity 412 and 42 electrical control of solenoid valve through rubber gasket 4131 Connection.

A unlock rod aperture 4211 is offered on spool 421 above-mentioned and in the position for corresponding to aforementioned unlock rod 46, Unlock rod 46 passes through the unlock rod aperture 4211；A unlock briquetting spring cavity 452 is offered on the top of aforementioned solution closing piece 45, it is aforementioned Solution closing piece pressure spring 47 be supported on unlock briquetting spring cavity 452 and aforementioned lock housing 41 towards solution closing piece 45 side between.

Constituting on aforementioned lock 32 has lock tongue dog hole 322, and lock tongue hook 431 above-mentioned locks together with the lock tongue dog hole 322.

Fig. 5 is referred to, two compressors 21 and two condensers 22 of two sets of refrigeration mechanisms 2 are shown in FIG. 5, is steamed Send out device 23 also unquestionably there are two, thus show the cabinet body 1 of the utility model deposit chamber 11 every two file distribution one A refrigeration mechanism 2.

Under normal operating condition, 4 no power of electromagnetism lock assembly, under the spring-force driven dual of spool return spring 4212, The spool 421 of the solenoid valve 42 of electromagnetism lock assembly 4 is protruding, makes unlock rod 46 that solution closing piece 45 be driven to be in the lock to lock tongue 43 Determine state, lock tongue hook 431 at this time hooks together in lock tongue dog hole 322, and deposit chamber door 3 cannot open.Chamber 11 is deposited when to take When interior food, is opened and taken by way of card-swiping mode or to the electronic button combination lock operation in deposit chamber door 3.Work as chance It need to be met an urgent need when unlocking to accidental situation, then by the property right side of cabinet body 1, manager or full-time executive for being responsible for management etc. support Up to scene, the door of cabinet top case 13 is opened with key, and in a manual manner mentions the rear end of compression bar 62 upwards, at this time before compression bar 62 End dips down, and applies pressure to connecting tube 63, drives a pair of of unlock ejector sleeve 64 that a pair of of unlock ejector sleeve is being overcome to return by connecting tube 63 To bottom offset under the reaction force of position spring 66,6421 downlink of unlock presser feet on a pair of unlock ejector sleeve 64 and to oppress electromagnetic lock total At the unlock rod 46 of 4 structural system, unlock rod 46 is made to drive solution closing piece 45 towards one end of solution closing piece 45, solves closing piece 45 around solution Closing piece axis 451 turns round certain angle, for the location status shown in Fig. 1, then solves closing piece 45 to turn round certain angle clockwise Degree, to release the cooperation of itself and lock tongue 43.Since lock tongue 43 loses solution 45 control of which of closing piece, thus in torsional spring 44 The lock tongue hook 431 of lock 43 is set to turn round certain angle, lock tongue hook 431 around lock tongue hook axis 4311 under the action of first torsional spring foot 41 It is exited from the lock tongue dog hole 322 of lock 32, deposit chamber door 30 can be opened at this time.When operator discharges compression bar 62, one Unlock ejector sleeve 64 is pulled up under the restoring force effect of unlock ejector sleeve return spring 66, unlock presser feet 6421 is made to leave unlock rod 46, entire latch mechanism 6 of meeting an urgent need no longer acts on 4 generation of electromagnetism lock assembly.

In conclusion technical solution provided by the utility model compensates for the shortcoming in prior art, favorably accomplish Invention task has faithfully fulfilled the technical effect that applicant refers in technical effect column above.

Claims (3)

1. a kind of electromagnetic lock structure of shared cold storage plant, it is characterised in that including an electromagnetism lock assembly (4), the electromagnetic lock Assembly (4) includes lock housing (41), solenoid valve (42), lock tongue (43), torsional spring (44), solution closing piece (45), unlock rod (46) and unlock Block pressure spring (47), constituting in the front end of lock housing (41) has lock tongue hook chamber (411), the lock of the lock tongue hook chamber (411) and lock housing (41) Shell chamber (412) communicates, and solenoid valve (42) is fixed in lock shell cavity (412) in the position for the rear end for corresponding to lock tongue (43) and should The upper end of the spool (421) of solenoid valve (42) leans out lock shell cavity (412) outside, is arranged with a spool return on the spool (421) Spring (4212), the lower part of lock tongue (43), which is constituted, a lock tongue hook (431), which is rotatably supported at lock tongue hook On axis (4311) and corresponding with lock tongue hook chamber (411), the both ends and lock housing (41) of lock tongue hook axis (4311) are fixed, Torsional spring (44) is arranged on lock tongue hook axis (4311), and the first torsional spring foot (441) of the torsional spring (44) is kept out in the upper of lock tongue (43) Portion, and the second torsional spring foot (442) of torsional spring (44) is kept out at the middle part of torsional spring foot backing pin (4421), the torsional spring foot backing pin (4421) Both ends and lock housing (41) it is fixed, solution closing piece (45) in the position hub setting for corresponding to lock tongue (43) in solution closing piece axis (451), and Both ends and lock housing (41) for solving closing piece axis (451) are fixed, the one end and solution closing piece (45) of unlock rod (46) towards solution closing piece (45) Fixed, the other end stretches towards the rear end of lock housing (41) behind the upper end for passing through the spool (421) and is configured to solve lock end (461), solution closing piece pressure spring (47) setting is between the top and lock housing (41) of solution closing piece (45).

2. the electromagnetic lock structure of shared cold storage plant according to claim 1, it is characterised in that in the lock housing (41) Rear end offer an electromagnetic lock control line introduce relief hole (413), and correspond to the electromagnetic lock control line introduce step down The position in hole (413), which is inserted, is embedded with a rubber gasket (4131).

3. the electromagnetic lock structure of shared cold storage plant according to claim 1, it is characterised in that in the spool (421) a unlock rod aperture (4211) is offered on and in the position for corresponding to the unlock rod (46), unlock rod (46) passes through The unlock rod aperture (4211)；A unlock briquetting spring cavity (452), the unlock are offered on the top of solution closing piece (45) Block pressure spring (47) is supported on unlock briquetting spring cavity (452) and the lock housing (41) towards between the side of solution closing piece (45).