CN204060180U

CN204060180U - Pull-type coded anti-theft door lock

Info

Publication number: CN204060180U
Application number: CN201420449630.2U
Authority: CN
Inventors: 赵志成
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-08-11
Filing date: 2014-08-11
Publication date: 2014-12-31
Anticipated expiration: 2024-08-11

Abstract

The utility model relates to pull-type coded anti-theft door lock, can effectively solve coded anti-theft door lock to involve great expense, the problem that maintenance cost is high, technical scheme is, comprise lock body, upper tapered end, lower lock head and middle tapered end, upper tapered end and lower lock head are separately positioned on above and below lock body, middle tapered end is arranged on the side of lock body, lock body comprises the middle dead bolt in housing and housing, active pull rod and password box, the first catch is vertically upward provided with in housing, first catch is coated with the head rod of level, the both sides of the first catch are equipped with first respectively and are mixed sheet and second and mix sheet on head rod, first mixes between sheet and the first catch the first back-moving spring is housed on head rod, middle dead bolt is equipped with in first outside of mixing sheet, the free end of middle dead bolt stretch out be provided with the first side of medium lock housing outside, to be placed on middle tapered end in dead bolt fixing port corresponding with dead bolt, the utility model structure is simple, easy to operate, anti-theft feature is strong, cost is low.

Description

Pull-type coded anti-theft door lock

Technical field

The utility model relates to theftproof lock, particularly a kind of pull-type coded anti-theft door lock.

Background technology

Door lock is common anti-theft tool; Common door lock mostly is and uses key operated and pin, anti-theft effect is poor, also some electronic coded door locks have been there are in market, but due to its structural problem, usually because electronic devices and components easily damage or wear and tear and cause opening the door, and this electronic password lock involves great expense, maintenance cost is high, be difficult to meet the demand of average family to safe-guard door lock, therefore, the improvement and bring new ideas of safe-guard door lock is imperative.

Summary of the invention

For above-mentioned situation, for overcoming the defect of prior art, the object of the utility model is just to provide a kind of pull-type coded anti-theft door lock, and can effectively solve coded anti-theft door lock and involve great expense, maintenance cost is high, uses troublesome problem.

The technical scheme that the utility model solves is, comprise lock body, upper tapered end, lower lock head and middle tapered end, upper tapered end and lower lock head are separately positioned on above and below lock body, middle tapered end is arranged on the side of lock body, lock body comprises the middle dead bolt in housing and housing, active pull rod and password box, the first catch is vertically upward provided with in housing, first catch is coated with the head rod of level, the both sides of the first catch are equipped with first respectively and are mixed sheet and second and mix sheet on head rod, first mixes between sheet and the first catch the first back-moving spring is housed on head rod, middle dead bolt is equipped with in first outside of mixing sheet, the free end of middle dead bolt stretch out be provided with the first side of medium lock housing outside, to be placed on middle tapered end in dead bolt fixing port corresponding with dead bolt, head rod is left in the horizontal direction, right slip, form the movable anti-theft lock construction in horizontal direction, the below of head rod is provided with the second catch vertically upward in housing, second catch is coated with the second connecting rod of level, the outside of the second connecting rod be equipped with stretch out housing mix dead bolt, mix on the second connecting rod between dead bolt and the second catch and fixedly compressing tablet is housed, on the second connecting rod, the second back-moving spring is housed between compressing tablet and the second catch, compressing tablet and first to mix between sheet in housing, through the first rotating shaft rotation is housed mix head, the top and first of mixing head is mixed sheet and is contacted, bottom contacts with compressing tablet, form the automatic locking structure cooperatively interacted, the panel of the inherent housing of housing is equipped with active pull rod, active pull rod comprises tapered end pull bar, lower lock head pull bar and connecting rod, connecting rod is hinged on inside panel through the first rivet, the two ends of connecting rod are hinged with upper tapered end pull bar and lower lock head pull bar through the second rivet and the 3rd rivet respectively, three bar linkage structures of formation activity, upper tapered end pull bar is connected with the upper lock tongue in the sliding way being placed in upper tapered end through the first wire rope, the first wire rope in sliding way is equipped with upper reset spring, lower lock head pull bar is connected with the lower dead bolt in the glide path being placed in lower lock head through the second wire rope, the second wire rope in glide path is equipped with lower back-moving spring, connecting rod is provided with the push rod of inclination, the end of push rod contacts with the first inner side of mixing sheet, form the movable anti-theft lock construction on vertical direction, described password box comprises box body, limited block, driving gear, variation gear and drive, limited block is fixed in the limited block chute on box body through the 3rd back-moving spring, driving gear and variation gear are contained in box body through the first fixed axis and the second fixed axis respectively, driving gear and variation gear are meshed, multiple drives side by side second fixed axis are equipped with successively, first drive is fixed together with variation gear, drive is provided with the password groove corresponding with the bottom of limited block, the both sides of drive are provided with transmission plectrum, one end of first fixed axis is stretched out outside housing through box body and housing successively, stretch out one end end on password turntable is housed, on the first fixed axis, logarithm dish is housed inside password turntable.

The utility model novel structure is unique, and structure is simple, easy to operate, and anti-theft feature is strong, and cost is low, has good Social and economic benef@.

Accompanying drawing explanation

Fig. 1 is the sectional front view of the inner opening of the utility model.

Fig. 2 is the sectional front view that (key operated) state is opened in the utility model outside.

Fig. 3 is the sectional front view of the utility model locking states.

Fig. 4 is rear elevation of the present utility model.

Fig. 5 is the structural representation of the utility model active pull rod.

Fig. 6 is the cross sectional side view of the utility model password box.

Fig. 7 is the sectional front view of the locking-in state of the utility model password box.

Fig. 8 is the sectional front view of the released state of the utility model password box.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.

Provided by Fig. 1-8, the utility model comprises lock body, upper tapered end, lower lock head and middle tapered end, upper tapered end 25a and lower lock head 25b is separately positioned on above and below lock body, middle tapered end 34 is arranged on the side of lock body, lock body comprises the middle dead bolt 2 in housing 1 and housing, active pull rod 20 and password box 12, the first catch 18 is vertically upward provided with in housing 1, first catch 18 is coated with the head rod 23 of level, the both sides of the first catch 18 are equipped with first respectively and are mixed sheet 33 and second and mix sheet 17 on head rod 23, first mixes that sheet 33 is movable to be sleeved on head rod 23, second mixes sheet 17 is fixed on head rod 23, first mixes between sheet 33 and the first catch 18 first back-moving spring 22 is housed on head rod 23, middle dead bolt 2 is equipped with in first outside of mixing sheet 33, the free end of middle dead bolt 2 stretch out be provided with middle tapered end 34 side housing outside, to be placed on middle tapered end 34 in dead bolt fixing port 34a corresponding with dead bolt 2, head rod 23 is left in the horizontal direction, right slip, form the movable anti-theft lock construction in horizontal direction, the below of head rod 23 is provided with the second catch 32 vertically upward in housing, second catch 32 is coated with the second connecting rod 4 of level, the outside of the second connecting rod 4 be equipped with stretch out housing mix dead bolt 3, mix on the second connecting rod 4 between dead bolt 3 and the second catch 32 and compressing tablet 5 is fixedly housed, on the second connecting rod 4, second back-moving spring 8 is housed between compressing tablet 5 and the second catch 32, compressing tablet 5 and first to mix between sheet 33 in housing, through the first rotating shaft 7 rotation is housed mix 6, the top and first of mixing 6 is mixed sheet 33 and is contacted, bottom contacts with compressing tablet 5, form the automatic locking structure cooperatively interacted, the panel 1a of the inherent housing of housing is equipped with active pull rod 20, active pull rod 20 comprises tapered end pull bar 20a, lower lock head pull bar 20b and connecting rod 20c, connecting rod 20c is hinged on inside panel 1a through the first rivet 35a, the two ends of connecting rod 20c are hinged with upper tapered end pull bar 20a and lower lock head pull bar 20b through the second rivet 35b and the 3rd rivet 35c respectively, three bar linkage structures of formation activity, upper tapered end pull bar 20a is connected with the upper lock tongue 29a in the sliding way 28a being placed in upper tapered end 25a through the first wire rope 31a, the first wire rope 31a in sliding way 28a is equipped with upper reset spring 30a, lower lock head pull bar 20b is connected with the lower dead bolt 29b in the glide path 28b being placed in lower lock head 25b through the second wire rope 31b, the second wire rope 31b in glide path 28b is equipped with lower back-moving spring 30b, connecting rod 20c is provided with the push rod 20d of inclination, the end of push rod 20d contacts with the first inner side of mixing sheet 33, form the movable anti-theft lock construction on vertical direction, described password box 12 comprises box body 36, limited block 16, driving gear 37, variation gear 39 and drive 40, limited block 16 is fixed in the limited block chute 15 on box body through the 3rd back-moving spring 45, driving gear 37 and variation gear 39 are contained in box body through the first fixed axis 14 and the second fixed axis 13 respectively, driving gear 37 and variation gear 39 are meshed, multiple drives 40 side by side second fixed axis 13 are equipped with successively, first drive is fixed together with variation gear 39, drive 40 is provided with the password groove 41 corresponding with the bottom of limited block 16, the both sides of drive 40 are provided with transmission plectrum 42a, 42b, one end of first fixed axis 14 is stretched out outside housing through box body and housing successively, stretch out one end end on password turntable 44 is housed, on the first fixed axis 14, logarithm dish 43 is housed inside password turntable 44.

For ensureing result of use, described first mixes sheet 33 for L shape, the protruding 6a mixing the corresponding L shape of sheet 33 with first is arranged at the top of mixing 6, protruding 6a and first mixes contacting of the upright position of sheet 33 bottom, the top of the first bottom and compressing tablet 5 of mixing sheet 33 will be mixed 6 and be clamped, it is not allowed to rotate, protruding 6a mixes sheet 33 by first and blocks, form the automatic locking structure cooperatively interacted, at closing time, mixing dead bolt 3 is pressed in housing, connecting rod inwardly moves, compressing tablet 5 is driven inwardly to move, the part that a bottom of mixing 6 contacts with compressing tablet 5 is under the effect of frictional force, 6 rotation is mixed in drive, protruding 6a departs from first and mixes sheet 33, under the effect of the first back-moving spring 22 elastic force, head rod 23 outwards slides, middle dead bolt 2 ejects housing, be placed in the dead bolt fixing port 34a on middle tapered end 34, automatically locking is completed, namely automatically complete while closing the door and lock a door, safe and reliable.

Described password turntable 44 is equipped with crank 38, rotates convenient.

The base plate 1b of described housing 1 has handle groove 19, first mixes the handle 21 sheet 33 being equipped with and stretching out handle groove 19, first outside of mixing sheet 33 is provided with the first position-limitting pin 24 on head rod 23, pull handle 21, drive first to mix sheet 33 to move to the inside, in drive, dead bolt 2 is inwardly regained, middle dead bolt fixing port 34a in the middle of departing from tapered end 34, simultaneously first mix sheet 33 and promote push rod 20d and slide, drivening rod 20c rotates, upper tapered end pull bar 20a and lower lock head pull bar 20b regains, and can unlock.

The inner side of the second described catch 32 is provided with the second position-limitting pin 9, for spacing on the second connecting rod 4;

Be provided with snap close 26a above described upper tapered end 25a, upper snap close 26a be provided with the upper lock tongue fixing port 27a corresponding with upper lock tongue 29a; Be provided with lower snap close 26b below described lower lock head 25b, lower snap close 26b be provided with the lower dead bolt fixing port 27b corresponding with lower dead bolt 29b, during use, upper snap close 26a, lower snap close 26b are contained on the corresponding doorframe of door with middle tapered end respectively;

Described drive 40 has 4 that are disposed side by side on the second fixed axis 13, and described driving gear 37 has 40 teeth, and variation gear 39 has 10 teeth.

The described part of mixing the housing that dead bolt 3 stretches out is trapezoidal or triangle; While closing the door under the promotion of trapezoidal or triangular ramp, mixing dead bolt 3 is pressed in housing, connecting rod inwardly moves, compressing tablet 5 is driven inwardly to move, the part that a bottom of mixing 6 contacts with compressing tablet 5 is under the effect of frictional force, 6 rotation is mixed in drive, protruding 6a departs from first and mixes sheet 33, under the effect of the first back-moving spring 22 elastic force, head rod 23 outwards slides, and middle dead bolt 2 ejects housing, be placed in the dead bolt fixing port 34a on middle tapered end 34, automatically complete locking, automatically complete while namely closing the door and lock a door, safe and reliable.

The panel 1a inner face of described housing is equipped with the outside tapered end thumb wheel 10 of rotation, outside tapered end thumb wheel 10 center is provided with key insert port 11, outside tapered end thumb wheel 10 is provided with the shifting block 10a mixing sheet 17 with second and contact.

The quantity of the drive 40 described in meter is n, then the number of teeth of described driving gear 37 is m × n, and the number of teeth of variation gear 39 is m, wherein, n is positive integer, m be greater than 5 integer, when rotational password rotating disk 44, driving gear 37 and variation gear 39 is driven to rotate, under the effect of transmission plectrum 42a, 42b of drive 40 both sides, drive drive 40 to rotate successively, the password groove 41 on drive can be alignd and misplaces, thus reach the function of unblock and locking, with n=4, m=10 is example, namely the quantity of drive 40 is 4, the number of teeth of driving gear is 40, the number of teeth of variation gear is 10, when driving gear transmission 1 is enclosed, variation pinion rotation 4 encloses, under the effect of transmission plectrum, just the password groove of the 4th drive is adjusted to the right place, in like manner, the password groove of the 3rd drive can be adjusted to the right place by 3/4 circle that reverses again, rotate forward 1/2 circle again the password groove of the 2nd drive to be adjusted to the right place, the password groove of a remaining drive can be adjusted to the right place by last 1/4 circle that reverses again, password groove is alignd, limited block 16 on password groove falls in password groove, head rod can horizontally slip, thus unlock, after unblanking, rotate by the direction of last rotational password rotating disk again and make the dislocation of password mistake, limited block is ejected password groove, totally 5 rotatings can complete unlock password, the overall process of locking, simplify, revolutionize the complexity of traditional pull-type coded lock, easy to operate, easy to use,

Service condition of the present utility model is:

Locking states of the present utility model as shown in Figure 3, now, upper lock tongue 27a is stuck in upper lock tongue fixing port, lower dead bolt 27b is stuck in upper lock tongue fixing port, and middle dead bolt 2 is stuck in the middle dead bolt fixing port on middle tapered end 34, and the part that the limited block of password box stretches out withstands head rod 23, head rod 23 cannot be moved, thus reach the object of locking, triple locking, good anti-theft effect.

The state of opening from inside as shown in Figure 1, pull and stretch out handle groove 19 and mix in first the handle 21 that sheet 33 is fixed together, drive first to mix sheet 33 to move to the inside, in drive, dead bolt 2 is inwardly regained, middle dead bolt fixing port 34a in the middle of departing from tapered end 34, first mix sheet 33 and promote push rod 20d and slide simultaneously, drivening rod 20c rotates, upper tapered end pull bar 20a and lower lock head pull bar 20b regains, and can complete unblock.

The state of opening from outside as shown in Figure 2, first password turntable 44 is stirred as stated above, password groove is alignd, limited block 16 on password groove falls in password groove, head rod departs from the spacing of limited block, can horizontally slip, now key is inserted key insert port 11, rotate key, thus drive outside tapered end thumb wheel 10 to rotate, mix shifting block 10a that sheet 17 contacts and promote second with second and mix sheet and move to the inside, thus dead bolt 2 is inwardly regained in driving, middle dead bolt fixing port 34a in the middle of departing from tapered end 34, simultaneously first mix sheet 33 and promote push rod 20d and slide, drivening rod 20c rotates, upper tapered end pull bar 20a and lower lock head pull bar 20b regains, unblock can be completed.

Compared with prior art, the utility model is provided with the triple antitheft of level and vertical direction, good anti-theft effect, and can locking be completed while closing the door, use convenient, the overall process of unlock password, locking can be completed by rotating, simplify, revolutionize the complexity of traditional pull-type coded lock, easy to operate, good anti-theft effect, has good Social and economic benef@.

Claims

1. a pull-type coded anti-theft door lock, comprise lock body, upper tapered end, lower lock head and middle tapered end, it is characterized in that, upper tapered end (25a) and lower lock head (25b) are separately positioned on above and below lock body, middle tapered end (34) is arranged on the side of lock body, lock body comprises the middle dead bolt (2) in housing (1) and housing, active pull rod (20) and password box (12), the first catch (18) is vertically upward provided with in housing (1), first catch (18) is coated with the head rod (23) of level, the both sides of the first catch (18) are equipped with first respectively and are mixed sheet (33) and second and mix sheet (17) on head rod (23), first mixes between sheet (33) and the first catch (18), on head rod (23), the first back-moving spring (22) is housed, middle dead bolt (2) is equipped with in first outside of mixing sheet (33), the free end of middle dead bolt (2) stretch out be provided with middle tapered end (34) side housing outside, be placed in the upper dead bolt fixing port (34a) corresponding with dead bolt (2) of middle tapered end (34), head rod (23) is left in the horizontal direction, right slip, form the movable anti-theft lock construction in horizontal direction, the below of head rod (23) is provided with the second catch (32) vertically upward in housing, second catch (32) is coated with second connecting rod (4) of level, the outside of the second connecting rod (4) be equipped with stretch out housing mix dead bolt (3), the second connecting rod (4) mixed between dead bolt (3) and the second catch (32) is above fixedly equipped with compressing tablet (5), on the second connecting rod (4), the second back-moving spring (8) is housed between compressing tablet (5) and the second catch (32), compressing tablet (5) and first to mix between sheet (33) in housing, through the first rotating shaft (7) rotation is housed mix head (6), the top and first of mixing head (6) is mixed sheet (33) and is contacted, bottom contacts with compressing tablet (5), form the automatic locking structure cooperatively interacted, the panel (1a) of the inherent housing of housing is equipped with active pull rod (20), active pull rod (20) comprises tapered end pull bar (20a), lower lock head pull bar (20b) and connecting rod (20c), connecting rod (20c) is hinged on panel (1a) inner side through the first rivet (35a), the two ends of connecting rod (20c) are hinged with upper tapered end pull bar (20a) and lower lock head pull bar (20b) through the second rivet (35b) and the 3rd rivet (35c) respectively, three bar linkage structures of formation activity, upper tapered end pull bar (20a) is connected with the upper lock tongue (29a) in the sliding way (28a) being placed in upper tapered end (25a) through the first wire rope (31a), the first wire rope (31a) in sliding way (28a) is equipped with upper reset spring (30a), lower lock head pull bar (20b) is connected with the lower dead bolt (29b) in the glide path (28b) being placed in lower lock head (25b) through the second wire rope (31b), the second wire rope (31b) in glide path (28b) is equipped with lower back-moving spring (30b), connecting rod (20c) is provided with the push rod (20d) of inclination, the inner side that sheet (33) is mixed in the end and first of push rod (20d) contacts, form the movable anti-theft lock construction on vertical direction, described password box (12) comprises box body (36), limited block (16), driving gear (37), variation gear (39) and drive (40), limited block (16) is fixed in the limited block chute (15) on box body through the 3rd back-moving spring (45), driving gear (37) and variation gear (39) are contained in box body through the first fixed axis (14) and the second fixed axis (13) respectively, driving gear (37) and variation gear (39) are meshed, multiple drives (40) side by side second fixed axis (13) are equipped with successively, first drive is fixed together with variation gear (39), drive (40) is provided with the password groove (41) corresponding with the bottom of limited block (16), the both sides of drive (40) are provided with transmission plectrum (42a, 42b), one end of first fixed axis (14) is stretched out outside housing through box body and housing successively, stretch out one end end on password turntable (44) is housed, logarithm dish (43) is equipped with in password turntable (44) inner side on the first fixed axis (14).

2. pull-type coded anti-theft door lock according to claim 1, it is characterized in that, described first mixes sheet (33) for L shape, the projection (6a) of mixing the corresponding L shape of sheet (33) with first is arranged at the top of mixing head (6), and protruding (6a) and first mixes contacting of the upright position of sheet (33) bottom.

3. pull-type coded anti-theft door lock according to claim 1, is characterized in that, described password turntable (44) is equipped with crank (38).

4. pull-type coded anti-theft door lock according to claim 1, it is characterized in that, the base plate (1b) of described housing (1) has handle groove (19), first mixes the handle (21) sheet (33) being equipped with and stretching out handle groove (19), and the first outside of mixing sheet (33) is provided with the first position-limitting pin (24) on head rod (23).

5. pull-type coded anti-theft door lock according to claim 1, is characterized in that, the inner side of described the second catch (32) is provided with the second position-limitting pin (9) on the second connecting rod (4).

6. pull-type coded anti-theft door lock according to claim 1, is characterized in that, described upper tapered end (25a) top is provided with snap close (26a), upper snap close (26a) is provided with the upper lock tongue fixing port (27a) corresponding with upper lock tongue (29a); Described lower lock head (25b) below is provided with lower snap close (26b), lower snap close (26b) is provided with the lower dead bolt fixing port (27b) corresponding with lower dead bolt (29b).

7. pull-type coded anti-theft door lock according to claim 1, is characterized in that, described drive (40) has 4 that are disposed side by side on the second fixed axis (13), and described driving gear (37) has 40 teeth, and variation gear (39) has 10 teeth.

8. pull-type coded anti-theft door lock according to claim 1, is characterized in that, the described part of mixing the housing that dead bolt (3) stretches out is trapezoidal or triangle.

9. pull-type coded anti-theft door lock according to claim 1, it is characterized in that, the outside tapered end thumb wheel (10) of rotation panel (1a) inner face of described housing is equipped with, outside tapered end thumb wheel (10) center is provided with key insert port (11), outside tapered end thumb wheel (10) is provided with the shifting block (10a) mixed sheet (17) with second and contact.