CN207999131U - Insure door lock - Google Patents

Abstract

The utility model is related to a kind of insurance door locks, it is characterised in that:Include the lock housing with accommodating cavity, there is the mounting bracket equipped with installation axle in accommodating cavity;Left skateboard and right slide plate constrain in the back side of lock housing, have left tooth-strip part on left skateboard, have right tooth-strip part on right slide plate;Output gear is set on the mounting shaft and manifests the back side of lock housing, while being engaged with left tooth-strip part and the transmission of right tooth-strip part;Clutch gear, suit on the mounting shaft and are revealed in accommodating cavity, and clutch structure is equipped between clutch gear and output gear end face close to each other;Handle axis is plugged in from the back side activity of lock housing in the axis hole of installation axle;Train of reduction gears is set in accommodating cavity, and the Handle axis is sequentially connected by the train of reduction gears and clutch gear.It is a kind of modular insurance door lock, which not only conforms to the handle of small angle rotation, be also adapted to the handle of 360 degree rotation, and in addition in criminal's strength rotating handle, handle capable of being idle running, safety is more preferably.

Description

Insure door lock

Technical field

The utility model is related to the locksets suitable for various security doors, can be safety box, safety cabinet, arms locker or national treasury Security door.

Background technology

Traditional safety box (cabinet) its structure includes mainly the babinet for carrying doorframe, matches with babinet and connect by pivot pin Door-plate on doorframe and the locking mechanism that door-plate and doorframe can be locked together.Traditional latch locking structure includes that setting exists The slide plate at the door-plate back side, the driving mechanism with the fixed preceding door bolt head in nose, and driving slide plate transverse shifting.Door bolt is beaten for enhancing The fixing of mechanism locking, some locking mechanisms are additionally provided with upper and lower slide plate, and the upper and lower door bolt head with the linkage of upper and lower slide plate, should Upper and lower slide plate can move up and down during slide plate horizontal sliding with it, and this locking mechanism can not only lock door-plate in front side It is fixed, can also be in upper and lower both direction by locking door, the fixing of locking door further enhances.

To further strengthen the firmness be combineding with each other between doorframe and door-plate, reaches preferable anti-theft performance, have A kind of locking mechanism with upper and lower bolt and forward and backward bolt is developed, a such as Patent No. ZL03229270.8 The Chinese utility model patent of (notification number CN2613570Y)"A kind of safe door structure", and a for another example Patent No. The Chinese utility model patent of ZL200920117151.X (notification number CN201381698Y)"Safe door makes door bolt machine with four sides Structure"Disclose it is such a can be by door-plate from upper and lower, left and right four direction and doorframe into line-locked four sides locking mechanism, should Locking mechanism increases the difficulty prized, and strengthens the safety of safety box.

The aforementioned locking mechanism that can be locked on four sides needs skewed slot and pushes column, and the front and back sliding of slide plate can just driven The flexibility of the sliding up and down of lower skateboard, slide plate movement is bad, and each component of this lockset is required to be directly installed on the door-plate back of the body Face, and handle arrangement operation is relatively elaborate, especially requires security performance on high door, operation is more laborious.The knot of door open knob There are many configuration formulas, has L-shaped handle, this handle arrangement can only carry out small angle rotation (being generally less than 90 degree), therefore it is only Bolt head can be driven to move relatively short distance, to enhance the locked lengths of bolt head, need handle capable of being 360 degree rotation, to ensure to beat bolt depth Degree, this just needs round handle to be operated.That is existing lock structure can only adapt to a kind of handle of rotation angle, Each other cannot be general, and modularization is not formed, it needs to be directed to different requirements, designs different locksets.

The electromagnetic core of the electric lockset of traditional electronic safe is all directly to be contacted with sideskid, and handle is Directly it is connected with plectrum, therefore when the trend that handle rotation is just necessarily rotated with drive plectrum, in this case, once turn It overexerting when fixed handle, plectrum can drive sideskid to hit electromagnetic core, damage electromagnetic core, safety box is caused to damage, or So that sideskid is directly slipped over electromagnetic core, makes an opening, cause security risk.

Utility model content

Technical problem to be solved in the utility model be for the above-mentioned prior art present situation and provide a kind of modular Insure door lock, which not only conforms to the handle of small angle rotation, the handle of 360 degree rotation is also adapted to, in addition illegal When molecule strength rotating handle, handle capable of being idle running, safety is more preferably.

Technical solution is used by the utility model solves above-mentioned technical problem:A kind of insurance door lock, feature It is:Including lock housing, there is accommodating cavity, accommodating cavity upper cover to be equipped with cover board in front, and the bottom surface of accommodating cavity is equipped with perforation, accommodating cavity Interior that there is mounting bracket, mounting bracket to be equipped with installation axle, installation axle, which is pierced by, perforates and manifests the lock housing back side;Left skateboard and right cunning Plate constrains in the back side of lock housing and is only capable of left and right sliding, has left tooth-strip part on left skateboard, has right tooth-strip part on right slide plate, Left tooth-strip part and right tooth-strip part are between the upper and lower every setting;Output gear is set on the mounting shaft and manifests the back side of lock housing, simultaneously It is engaged with left tooth-strip part and the transmission of right tooth-strip part, so that the rotational energy of output gear drives left skateboard and right slide plate or so sliding; Clutch gear, suit on the mounting shaft and are revealed in accommodating cavity, between clutch gear and output gear end face close to each other Equipped with clutch structure;Handle axis is plugged in from the back side activity of lock housing in the axis hole of installation axle;Train of reduction gears is set to accommodating Intracavitary, the Handle axis are sequentially connected by the train of reduction gears and the clutch gear.

Preferably, above-mentioned train of reduction gears includes that mounting disc, central pinion, the first duplicate gear and the first transmission are small Gear, the mounting disc is detachable to be fixed on accommodating cavity bottom surface, and the central pinion, the first duplicate gear and the first transmission are small Gear is installed in the disk of mounting disc;Wherein, central pinion is mounted in Handle axis and can be rotated with Handle axis, The central pinion is directly or indirectly engaged with the first canine tooth wheel portion in the first duplicate gear, and the first drive pinion is simultaneously It is engaged with the first pinion part in clutch gear and the first duplicate gear.

The train of reduction gears can first be assembled as an individual module, and first each gear is installed in mounting disc, Output gear, clutch gear, clutch structure, Handle axis and each slide plate are pre-installed in lock housing simultaneously, then by mounting disc Fixed to the central pinion in lock housing, allowed in train of reduction gears and Handle axis inserting, the first drive pinion and clutch gear Engagement becomes the assembling for completing entire component.Lockset is divided into train of reduction gears and lock housing component two large divisions, respective structure by this structure At modularization, it is conducive to assembling.

Further preferably, above-mentioned first duplicate gear and the first drive pinion it is each there are two, it is small to be symmetricly set on center The both sides of gear.It, can be so that entire train of reduction gears passes by the design of two group of first duplicate gear and the first drive pinion Dynamic more stable, noise is small.

For ease of the molding of duplicate gear, the first canine tooth wheel portion and the first pinion part in above-mentioned first duplicate gear are Independent two components, and linked together by screw and polygonal hole inserting.Certain duplicate gear can also be one independent Component.

It is further improved, above-mentioned train of reduction gears further includes ring gear, the second duplicate gear and the second drive pinion, institute It states ring gear to constrain in mounting disc and can rotate around own axes, second duplicate gear and the second drive pinion are pacified In the disk of mounting disc;Wherein, the second largest gear part in the second duplicate gear is passed with central pinion and second simultaneously Dynamic pinion gear engagement, second drive pinion are engaged with ring gear, the second pinion part in the second duplicate gear then with The first canine tooth wheel portion engagement in first duplicate gear.Train of reduction gears during the work time, can drive ring gear to rotate, simultaneously Also increase the number of gears in train of reduction gears, and entire mechanism can be shown by transparent cover board, make entire gear mechanism Transmission parts work in similar wrist-watch, and texture is more preferable, and great technology sense is driven additionally by two-stage, makes train of reduction gears Slowing effect more preferably, operation it is more effortless.

The periphery of above-mentioned mounting disc has annular wall, and periphery wall and the annular wall of the ring gear are engaged, and pass through The platen in mounting disc is connected to by ring gear axial constraint in mounting disc.It can be effectively to ring gear by annular wall and platen Installation limit is carried out, and is assembled simple.

The second largest gear part and the second pinion part in above-mentioned second duplicate gear are independent two components, and pass through Screw and polygonal hole inserting link together.

Above-mentioned second duplicate gear and the second drive pinion it is each there are two, be symmetricly set on the both sides of central pinion.

Preferably, above-mentioned clutch structure includes multiple balls and disc spring, correspondence is provided on the end face of the output gear It is multiple to house the first ball chamber therein for ball part, on the end face of the clutch gear it is corresponding be provided with it is multiple for ball part The second ball chamber therein is housed, disc spring acts on clutch gear so that clutch gear remains close to output gear trend.Defeated Go out gear rotation to be obstructed under state, the rotation of clutch gear can force clutch gear to overcome disc spring elastic force towards far from output gear Direction is moved, and then output gear and clutch gear relative rotation, to realize the idle running of Handle axis.The clutch structure is related to portion Part is few and simple in structure.Certainly other clutch structures also can be used.

To realize that four sides locks, the back side of above-mentioned lock housing also constrains the upper slide and lower skateboard that have and be only capable of sliding up and down, on There is upper rack portion on slide plate, there is lower tooth-strip part on lower skateboard, upper rack portion and lower tooth-strip part are between left and right every setting;It is described defeated Go out gear to engage with upper rack portion and the transmission of lower tooth-strip part simultaneously, so that the rotational energy of output gear drives upper slide and lower skateboard Sliding up and down.

Compared with prior art, the utility model has the advantage of:

1, Handle axis is sequentially connected by train of reduction gears and clutch gear, and clutch gear passes through clutch structure and output gear The rotation of wheel connection, output gear then drives slide plate movement to realize locking, therefore the angle of Handle axis rotation is unrestricted, by subtracting Fast gear set can allow user slide plate can be driven to move with smaller power rotational handle axis change again, and theoretically Handle axis can drive Slide plate movement is very over long distances, it is ensured that the lock depth of bolt head.

2, entire lockset forms modular construction, in use, the lock housing of the lockset need to be only fixed to the security door back side, and It allows Handle axis to be pierced by front from the security door back side, realizes modularization assembling, without as traditional security door lockset, going back It additionally to be assembled at the security door back side, simplify assembling mode.

3, clutch gear is connect by clutch structure with output gear, when criminal's strength rotational handle, because of insurance The locking structure of door does not unlock, and the movement of slide plate is obstructed, i.e. the rotation of output gear is very big by resistance, such clutch gear Rotation can force clutch gear and output gear be in from state, the rotation of Handle axis can only finally pass through train of reduction gears The idle running of clutch gear versus output gear is driven, each mechanism (such as electromagnetic valve lock structure) in damage security door is prevented.

Description of the drawings

Fig. 1 is the schematic diagram of front three-dimensional structure (each slide plate inside contracts state) of the utility model embodiment;

Fig. 2 is the back side dimensional structure diagram (each slide plate inside contracts state) of the utility model embodiment;

Fig. 3 is the schematic diagram of front three-dimensional structure (each overhanging state of slide plate) of the utility model embodiment;

Fig. 4 is the back side dimensional structure diagram (each overhanging state of slide plate) of the utility model embodiment;

Fig. 5 is the assembling schematic diagram of each slide plate in the utility model embodiment;

Fig. 6 is the structure sectional view (each overhanging state of slide plate) of the utility model embodiment;

Fig. 7 is the sectional view along A-A of Fig. 6;

Fig. 8 is the exploded view of the utility model embodiment;

Fig. 9 is the stereogram exploded view of train of reduction gears in the utility model embodiment;

Figure 10 is the stereogram exploded view of lock housing part in the utility model embodiment.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing embodiment.

It is a preferred embodiment of the utility model as shown in Fig. 1~10.

A kind of insurance door lock, it is characterised in that:Including

There is accommodating cavity 11,11 upper cover of accommodating cavity to be equipped with cover board 12 for lock housing 1, front, and cover board 12 uses transparent plate, The bottom surface of accommodating cavity 11 is equipped with perforation 13, and there is mounting bracket 14, mounting bracket 14 to be equipped with installation axle 15, installation axle in accommodating cavity 13 15 are pierced by perforation 13 and manifest 1 back side of lock housing.

Left skateboard 2a and right slide plate 2b, the back side for constraining in lock housing 1 are only capable of left and right sliding, have left rack on left skateboard 2a Have right tooth-strip part 2b1, left tooth-strip part 2a1 and right tooth-strip part 2b1 between the upper and lower every setting on portion 2a1, right slide plate 2b.

Upper slide 2c and lower skateboard 2d, the back side for constraining in lock housing 1 are only capable of sliding up and down, have upper rack on upper slide 2c Have lower tooth-strip part 2d1, upper rack portion 2c1 and lower tooth-strip part 2d1 between left and right every setting on portion 2c1, lower skateboard 2d.

Left skateboard 2a and right slide plate 2b, upper slide 2c and lower skateboard 2d are constrained by pressing plate by axial trough fit structure again At the back side of lock housing 1.

Output gear 3, is sleeved in installation axle 15 and manifests the back side of lock housing 1, at the same with left tooth-strip part 2a1, right tooth Item portion 2b1, upper rack portion 2c1 and lower tooth-strip part 2d1 transmission engagement so that output gear 3 rotational energy drive left skateboard 2a1 and Right slide plate 2b1 or so slides and upper slide 2c and lower skateboard 2d or more sliding;

Clutch gear 4 is sleeved in installation axle 15 and is revealed in accommodating cavity 11, and clutch gear 4 is mutual with output gear 3 Clutch structure is equipped between close end face;Clutch structure includes multiple balls 16 and disc spring 17, right on the end face of output gear 3 Should be provided with it is multiple house the first ball chamber 31 therein for 16 part of ball, correspondence is provided with multiple confessions on the end face of clutch gear 4 16 part of ball houses the second ball chamber 41 therein, and the depth of the second ball chamber 41 is less than the depth of the first ball chamber 31, dish Spring 17 acts on clutch gear 4 so that clutch gear 4 remains close to 3 trend of output gear.

Handle axis 5 is plugged in from the back side activity of lock housing 1 in the axis hole 151 of installation axle 15.

Train of reduction gears is set in accommodating cavity 11, and the Handle axis 5 passes through the train of reduction gears and the clutch gear 4 It is sequentially connected.

Train of reduction gears in the present embodiment includes mounting disc 6, central pinion 7, the first duplicate gear 8a, the first transmission Pinion gear 9a, ring gear 10, the second duplicate gear 8b and the second drive pinion 9b, mounting disc 6 is detachable to be fixed on accommodating cavity 11 bottom surfaces, central pinion 7, the first duplicate gear 8a, the first drive pinion 9a, the transmissions of the second duplicate gear 8b and second are small Gear 9b is installed in the disk of mounting disc 6;Ring gear 10 is constrained in mounting disc 6 and can be rotated around own axes, is installed There is the periphery of disk 6 annular wall, periphery wall and the annular wall of ring gear 10 to be engaged, and by being connected in mounting disc 6 Platen 61 is by 10 axial constraint of ring gear in mounting disc 6.

Wherein, the axle portion of central pinion 7 is inserted into the axis hole 151 of installation axle 15 beefy suit in Handle axis 5 and can be with Handle axis 5 rotates together, and central pinion 7 is engaged with the second largest gear part 8b1 in two duplicate gear 8b, the second small tooth of transmission Wheel 9b simultaneously in two duplicate gear 8b the second largest gear part 8b1 and ring gear 10 engage, the in the second duplicate gear 8b Two pinion portion 8b2 is engaged with the first canine tooth wheel portion 8a1 in the first duplicate gear 8a, the first drive pinion 9a simultaneously with from Close the first pinion part 8a2 engagements in gear 4 and the first duplicate gear 8a.

First duplicate gear 8a and the first drive pinion 9a, the second duplicate gear 8b and the second drive pinion 9b respectively have Two, it is symmetricly set on the both sides of central pinion 7.The first canine tooth wheel portion 8a1 in first duplicate gear 8a and the first small tooth Wheel portion 8a2 is independent two components, and is linked together by screw and polygonal hole inserting.In second duplicate gear 8b The second largest gear part 8b1 and the second pinion part 8b2 is independent two components, and is connected with polygonal hole inserting by screw Together.

Train of reduction gears further includes being installed in the disk of mounting disc 6;Wherein, it is engaged with central pinion 7, then Simultaneously with ring gear 10 engage it is each there are two.

The operation principle and process of this security door is as follows:

When assembling, first pre-assembly two large divisions.

First part is lock housing part, as shown in Figure 10, by disc spring 17, clutch gear 4, ball 16, output gear 3 and hand Arbor 5 is in turn mounted in the installation axle 15 of lock housing 1, then again by left skateboard 2a, right slide plate 2b, upper slide 2c and lower skateboard 2d It is installed to the back side of lock housing 1.

Second part is train of reduction gears part, as shown in figure 9, first passing through the platen 61 being connected in mounting disc 6 will be interior 10 axial constraint of gear ring is driven small tooth in mounting disc 6, then by mounting disc 6, central pinion 7, the first duplicate gear 8a, first Wheel 9a, the second duplicate gear 8b and the second drive pinion 9b are in turn mounted in the disk of mounting disc 6.

As shown in figure 8, then train of reduction gears is partially disposed in the accommodating cavity 11 of lock housing 1 again, and fixed by screw In lock housing 1, cover board 12 is finally covered, installation is complete for entire lockset.

The whole installation process of lockset realizes that modularization installation, installation are simple and convenient.

In use, only need to the lock housing 1 of the lockset be fixed to the door-plate back side.

When if any criminal's strength rotating handle axis 5, it is obstructed under state in the rotation of output gear 3, the rotation of clutch gear 4 The change of team forces clutch gear 4 that 17 elastic force of disc spring is overcome to be moved towards the direction far from output gear 3, and then output gear 3 and clutch 4 relative rotation of gear, to realize the idle running of Handle axis 5.

Handle axis 5 is sequentially connected by train of reduction gears and clutch gear 4, and clutch gear 4 passes through clutch structure and output Gear 3 connects, and the rotation of output gear 3 then drives slide plate movement to realize locking, therefore the angle that Handle axis 5 rotates is unrestricted, User can be allowed slide plate can be driven to move with smaller power rotational handle axis change again by train of reduction gears, theoretically Handle axis 5 Slide plate movement can be driven very over long distances, it is ensured that the lock depth of bolt head.

This lockset is suitble to the Handle axis of various rotational angles, humanization designing.

Although the preferred embodiments of the utility model have been described above in detail, it is to be clearly understood that for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of insurance door lock, it is characterised in that:Including

There is accommodating cavity (11), accommodating cavity (11) upper cover to be equipped with cover board (12), the bottom surface of accommodating cavity (11) for lock housing (1), front Equipped with perforation (13), there is mounting bracket (14), mounting bracket (14) to be equipped with installation axle (15), installation axle (15) in accommodating cavity (11) It is pierced by perforation (13) and manifests lock housing (1) back side;

Left skateboard (2a) and right slide plate (2b) constrain in the back side of lock housing (1) and are only capable of left and right sliding, have on left skateboard (2a) Left tooth-strip part (2a1) has right tooth-strip part (2b1) on right slide plate (2b), and left tooth-strip part (2a1) and right tooth-strip part (2b1) are up and down Interval setting;

Output gear (3), is sleeved in installation axle (15) and manifests the back side of lock housing (1), at the same with left tooth-strip part (2a1) and Right tooth-strip part (2b1) transmission engagement, so that the rotational energy of output gear (3) drives left skateboard (2a) and right slide plate (2b) left and right to slide It moves;

Clutch gear (4) is sleeved in installation axle (15) and is revealed in accommodating cavity (11), clutch gear (4) and output gear (3) clutch structure is equipped between end face close to each other;

Handle axis (5) is plugged in from the back side activity of lock housing (1) in the axis hole (151) of installation axle (15);

Train of reduction gears is set in accommodating cavity (11), and the Handle axis (5) passes through the train of reduction gears and the clutch gear (4) it is sequentially connected.

2. insurance door lock according to claim 1, it is characterised in that:The train of reduction gears include mounting disc (6), Central pinion (7), the first duplicate gear (8a) and the first drive pinion (9a), the mounting disc (6) is detachable to be fixed on Accommodating cavity (11) bottom surface, the central pinion (7), the first duplicate gear (8a) and the first drive pinion (9a) are installed in In the disk of mounting disc (6);Wherein, central pinion (7) is mounted in Handle axis (5) and can be rotated with Handle axis (5), The central pinion (7) is directly or indirectly engaged with the first canine tooth wheel portion (8a1) in the first duplicate gear (8a), and first passes It moves pinion gear (9a) while being engaged with the first pinion part (8a2) in clutch gear (4) and the first duplicate gear (8a).

3. insurance door lock according to claim 2, it is characterised in that:First duplicate gear (8a) and first passes There are two dynamic pinion gear (9a) is each, it is symmetricly set on the both sides of central pinion (7).

4. insurance door lock according to claim 2, it is characterised in that:First in first duplicate gear (8a) Canine tooth wheel portion (8a1) and the first pinion part (8a2) are independent two components, and are connected with polygonal hole inserting by screw Together.

5. insurance door lock according to claim 2, it is characterised in that:The train of reduction gears further includes ring gear (10), the second duplicate gear (8b) and the second drive pinion (9b), the ring gear (10) constrains in mounting disc (6) and energy It is rotated around own axes, second duplicate gear (8b) and the second drive pinion (9b) are installed in the disk of mounting disc (6) On face;Wherein, the second largest gear part (8b1) in the second duplicate gear (8b) and meanwhile with central pinion (7) and second be driven Pinion gear (9b) engages, and second drive pinion (9b) is engaged with ring gear (10), in second duplicate gear (8b) The second pinion part (8b2) engaged with the first canine tooth wheel portion (8a1) in the first duplicate gear (8a).

6. insurance door lock according to claim 5, it is characterised in that:The periphery of the mounting disc (6) has annular The periphery wall of wall, the ring gear (10) is engaged with annular wall, and the platen (61) by being connected in mounting disc (6) will Ring gear (10) axial constraint is in mounting disc (6).

7. insurance door lock according to claim 5, it is characterised in that:Second in second duplicate gear (8b) Canine tooth wheel portion (8b1) and the second pinion part (8b2) are independent two components, and are connected with polygonal hole inserting by screw Together.

8. insurance door lock according to claim 5, it is characterised in that:Second duplicate gear (8b) and second passes There are two dynamic pinion gear (9b) is each, it is symmetricly set on the both sides of central pinion (7).

9. insurance door lock according to claim 1, it is characterised in that:The clutch structure includes multiple balls (16) With disc spring (17), on the end face of the output gear (3) it is corresponding be provided with it is multiple for accommodating first rolling therein in ball (16) part Pearl chamber (31), corresponding be provided with multiple houses the second ball therein for ball (16) part on the end face of the clutch gear (4) Chamber (41), the disc spring (17) acts on clutch gear (4) so that clutch gear (4) remains close to output gear (3) trend.

10. insurance door lock according to claim 1, it is characterised in that:The back side of the lock housing (1), which also constrains, to be had only The upper slide (2c) and lower skateboard (2d) that can be slid up and down have upper rack portion (2c1) on upper slide (2c), on lower skateboard (2d) With lower tooth-strip part (2d1), upper rack portion (2c1) and lower tooth-strip part (2d1) are between left and right every setting;The output gear (3) is same When with upper rack portion (2c1) and lower tooth-strip part (2d1) transmission engage so that output gear (3) rotational energy drive upper slide (2c) and lower skateboard (2d) slide up and down.