CN202299734U - A lock body capable of opening a square tongue through an oblique tongue - Google Patents

Abstract

The utility model relates to a lock body of square tongue is opened to accessible latch bolt, including the lock shell, lock shell one side is equipped with the inside lining, is equipped with latch bolt hole and square tongue hole on the inside lining, is equipped with in the lock shell and stretches out respectively latch bolt hole and square tongue hole's latch bolt and square tongue, the latch bolt with the lock shell between be equipped with the elasticity piece that resets, its technical essential does, be equipped with respectively on latch bolt and the square tongue and mutually support the latch bolt buckle structure and the square tongue buckle structure of chucking, articulated in the lock shell drive the flexible square tongue of square tongue when driving oblique flexible latch bolt when rotating and dial the rudder subassembly and rotate and dial the rudder, still be equipped with on the latch bolt and dial the structure of stirring of rudder when the latch bolt contracts when driving the latch bolt, be equipped with between latch bolt dial the rudder subassembly and the square tongue and dial the rudder subassembly when the latch bolt pushes away the rotation and push away the square tongue and dial the pivoted and dial the transmission strip. The utility model discloses square bolt is opened to accessible oblique bolt, and the lock body is opened conveniently, conveniently flees for one's life, and lock body locking is firmly difficult to be opened by force.

Description

A lock body capable of opening a square tongue through an oblique tongue

【Technical field】

The utility model relates to a lock body.

【Background technique】

The lock body on the market is to lock the door by the cooperation of the square tongue and the oblique tongue. After the square tongue must be opened, the oblique tongue can be opened. The opening of the square tongue must be opened by a key. In an emergency, it will be difficult for people inside the door to open the square tongue for a while, which will threaten the safety of life and property, and some lock body square tongues need to be opened by springs and other elasticity. Only the elastic force of the parts can be completely reset. If there is a fire and the lock body is under high temperature, the elastic force of the spring will fail, so that the key cannot fully open the square tongue, but a part will be left in the door hole, which will also give life cause serious damage to property. The oblique tongue and the square tongue of the lock body on the market achieve the purpose of mutual cooperation through a complicated linkage mechanism, so the structure of the lock body is complicated and the production cost is high.

【Content of utility model】

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a lock body that is firmly locked, safe and reliable, convenient for escape, and low in production cost. The lock body can be opened by the oblique tongue.

In order to solve the above problems, the utility model adopts the following technical solutions:

A lock body capable of opening a square tongue through an oblique bolt, comprising a lock housing, one side of the lock housing is provided with an inner lining, and the inner lining is provided with a oblique bolt hole and a square tongue hole, and the lock housing is There are latch bolts and square tongues that can respectively protrude from the latch bolt hole and the square tongue hole, and an elastic reset member is provided between the latch bolt and the lock housing, which is characterized in that: The oblique tongue and the square tongue are respectively provided with an oblique tongue buckle structure and a square tongue buckle structure that cooperate with each other, and the lock housing is hinged to drive the obliquely telescopic oblique tongue rudder assembly and rotation when rotating. The square tongue rudder that drives the expansion and contraction of the square tongue at the same time is also provided with a toggle structure that drives the rotation of the square tongue rudder when the said oblique tongue retracts. The said oblique tongue rudder A rudder transmission bar that pushes the square tongue rudder to rotate when the oblique tongue rudder assembly rotates is provided between the component and the square tongue rudder.

As mentioned above, the lock body of the square tongue that can be opened by the oblique tongue is characterized in that: the buckle structure of the square tongue is a step of the square tongue, and the buckle structure of the oblique tongue is abutted against the step of the square tongue On the oblique tongue steps, the square tongue is provided with a chute, the two ends of the chute are provided with inflection point card slots, and one end of the rudder of the square tongue is provided with a sliding part that can slide in the chute. The guide slide bar, the said square tongue rudder is provided with a rudder inclined surface, and the described toggle structure is a slant tongue inclined surface which cooperates with the described rudder inclined surface to drive the described square tongue rudder to rotate. An elastic reset member is arranged between the square tongue steering rudder and the lock housing.

As mentioned above, the lock body of the square tongue that can be opened by the bolt is characterized in that: the lock case is provided with a handle, the bolt is provided with an upper post and a bolt slide groove, and the bolt The lock housing is provided with a guide column that is installed in the chute of the oblique tongue. The handle is provided with a handle transmission rod with one end extending into the lock housing. The oblique tongue dial The rudder assembly includes an oblique tongue steering rudder hinged on the handle transmission rod, and it also includes an oblique rudder with one end hinged on the rotating post in the lock housing and the other end abutting on the side of the upper convex post. Tongue shifting fork, the rudder steering boss is provided on the slanting tongue rudder, one side of the slanting tongue shifting fork is against the side of the rudder steering boss, and the rudder driving bar is set on Said rudder steering boss is provided with one end between said latch tongue shift fork and guide slip post.

As mentioned above, the lock body of the square tongue that can be opened by the bolt is characterized in that: the bottom surface of the bolt is provided with a groove for the bolt, and the lock housing is rotatably hinged with a bolt shifting block and A transmission plate, one end of the transmission plate is set in the groove of the oblique tongue, and the other end leans against one end of the sliding tongue of the oblique tongue, the lock housing is provided with a lock head, and the A lock cylinder is rotatably arranged in the lock head, and the lock cylinder is provided with a lock head paddle that moves the square tongue steering rudder and the oblique tongue shift block as it rotates.

The lock body of the square tongue that can be opened by the oblique tongue as described above is characterized in that: the lock housing is provided with a knob, and the knob is provided with a knob transmission rod with one end extending into the lock housing. The square tongue rudder is hinged on the knob transmission rod, and the two sides of the knob transmission rod on the square tongue rudder are respectively provided with first knobs that can be rotated by the lock paddle. fork and second fork.

As mentioned above, the lock body of the square tongue that can be opened by the oblique tongue is characterized in that: the lower side wall of the lock housing is provided with a button hole, and the lower end surface of the oblique tongue is provided with a lower protrusion, and the described A manual button is hinged on the rotating column below the oblique tongue shift fork, one end of the manual button leans against the lower wall of the lock housing and is exposed to the button hole, and the other end leans against the lower side wall of the lock housing. On the side of the lower boss, a return torsion spring is arranged between the manual button and the lock case.

As mentioned above, the lock body of the square tongue that can be opened by the bolt is characterized in that: the square tongue is provided with a square tongue protrusion, and the upper end surface of the bolt is provided with a bolt boss, and the The lock shell is provided with two parallel sliding grooves, and the inner lining is provided with two safety button holes, and the sliding groove is provided with a first part extending out of the safety button holes when sliding along the sliding groove. A safety button and a second safety button, one end of the manual button exposed in the button hole leans against the first safety button, and the lower ends of the first safety button and the second safety button are respectively set There are a first groove and a second groove, and a rotating shaft is provided between the first safety button and the second safety button on the lock case, and a key dial is rotatably hinged at the lower end of the rotating shaft. Block, one end of the button shifting block is set in the first groove, the other end is set in the second groove, the upper end surface of the second safety button is provided with a safety button slot, and the upper end of the rotating shaft A safety strip passing through the safety button slot and abutting against the right side of the oblique tongue boss is hinged, and the safety strip can abut against the said bolt when the square tongue is opened. One side of the square tongue convex post.

As mentioned above, the lock body of the square tongue that can be opened by the oblique tongue is characterized in that: the lock head is provided with a lock head groove in the circumferential direction, and the lock housing is provided with an adjustment frame, and the adjustment frame is provided with A threaded hole, the threaded hole is threaded and equipped with a lock head with one end extending into the lock head slot.

The above-mentioned lock body capable of opening the square tongue through the oblique bolt is characterized in that the lock head is connected to the lock housing by means of threaded connection.

The beneficial effects of the utility model are as follows: when the lock body is locked, the square tongue is directly against the oblique tongue. Due to the high hardness and high strength of the square tongue, the lock body is not easily opened by external force; , the rudder drive bar will push the square tongue rudder to make the square tongue rudder rotate, so that the guide slider moves from the inflection point slot to the chute, and the square tongue will start to retract into the lock housing at the same time, because the square tongue Retract for a certain distance so that the square tongue is no longer against the slant tongue, and the slant tongue can be moved. At this time, continue to turn the slant tongue rudder assembly to drive the slant tongue to retract. Continue to rotate to drive the square tongue to fully open, so that the purpose of the oblique tongue to open the square tongue is achieved, which is convenient for escape; when the first safety button is pressed in from the safety button hole, the manual button will not be able to open the oblique tongue, so as to achieve the convenience of going up. The purpose of the lock; the lock head is connected to the lock shell through a threaded square tongue, and the height of the lock head can be adjusted according to the thickness of different doors.

【Description of drawings】

Fig. 1 is a locked state component diagram of the present utility model;

Fig. 2 is the part diagram of handle unlocking state of the present utility model;

Fig. 3 is a key unlocking parts diagram of the utility model;

Fig. 4 is a three-dimensional view of the locking state parts of the utility model;

Figure 5 is a perspective view of the parts in the open state of the utility model;

Fig. 6 is the explosion diagram of the utility model;

Fig. 7 is a perspective view of the utility model.

【Detailed ways】

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

As shown in Figures 1 to 7, a lock body that can open the square tongue through the oblique tongue includes a lock case 1, an inner lining 2 is provided on one side of the lock case 1, and a oblique bolt hole 11 and a square bolt hole 11 are arranged on the inner lining 2. Tongue hole 22, lock housing 1 is provided with oblique tongue 3 and square tongue 4 that can protrude respectively from oblique tongue hole 11 and square tongue hole 22, elastic resetting part 8 is provided between oblique tongue 3 and lock housing 1, oblique The tongue 3 and the square tongue 4 are respectively provided with an oblique tongue buckle structure 32 and a square tongue buckle structure 43 that cooperate with each other. The square tongue buckle structure 43 is a square tongue step 403, and the oblique tongue buckle structure 32 is a support On the oblique tongue step 302 on the square tongue step 403, an elastic reset member 108 is provided between the square tongue steering 6 and the lock housing 1. In the locked state, the oblique tongue step 302 leans against the square tongue step 403, so that the oblique tongue 3 cannot be turned on. The cooperation between the oblique tongue clamping structure 32 and the square tongue clamping structure 43 can also be the cooperation between the inclined planes or the cooperation between the boss and the groove, as long as the oblique tongue 4 can be stretched out. Tongue 3 clamps, and the scheme that makes oblique tongue 3 can not retract in lock housing 1 is all within the scope of protection. The square tongue 4 is provided with a chute 41, the two ends of the chute 41 are provided with an inflection point draw-in groove 42, and the lock housing 1 is hinged with a slant tongue steering assembly 5 that drives the slant tongue to expand and contract when rotating and drives the slant tongue 4 to expand and contract when rotating. The square tongue rudder 6, one end of the square tongue rudder 6 is provided with a guide slide bar 61 that can slide in the chute 41, when the square tongue rudder 6 rotates, the guide slide bar 61 slides in the chute 41 to drive the square tongue 4 telescopic, the square tongue 4 can not be directly pushed and retracted when the guide slide bar 61 was in the inflection point draw-in groove 42, it must be driven by the rotation of the square tongue rudder 6 to open. A rudder inclined surface 62 is provided on the square tongue rudder 6, and a rudder that pushes the square tongue rudder 6 to rotate is provided between the oblique tongue rudder assembly 5 and the square tongue rudder 6 when the oblique tongue rudder assembly 5 rotates. The transmission bar 51 and the oblique tongue 3 are also provided with a toggle structure 31 that can drive the square tongue rudder 6 to rotate when the oblique tongue 3 is retracted. The oblique tongue slope 301 that rotates. When turning the oblique tongue rudder assembly 5, the rudder transmission bar 51 can push the square tongue rudder 6 to rotate the square tongue rudder 6, and the rotation of the square tongue rudder 6 will drive the square tongue 4 to retract, so that the square tongue steps 403 and The bolt steps 302 are separated by a certain distance. At this time, the bolt 3 can be moved. When the bolt rudder assembly 5 continues to be rotated, the bolt 3 will be moved and retracted. At this time, the inclined surface 301 of the bolt will be pressed. Turn the rudder slope 62 to make the square tongue turn the rudder 6 to rotate, thereby opening the square tongue 4 .

Specifically, a handle 7 is provided on the lock case 1, and the handle 7 is arranged in the door. The upper convex post 33 and the oblique tongue chute 34 are provided on the oblique tongue 3, and the lock housing 1 is provided with a threaded bolt on the oblique tongue slide. The guide column 103 in the groove 34, the handle 7 is provided with a handle transmission rod 71 with one end extending into the lock housing 1, and the oblique tongue steering assembly 5 includes the oblique tongue steering rod 52 hinged on the handle transmission rod 71. , it also includes one end hinged on the rotating column 101 in the lock housing 1 and the other end leaning against the latch tongue shift fork 53 on one side of the upper convex column 33, the latch tongue steering 52 is provided with a steering boss 54, the latch tongue One side of the shift fork 53 leans against the side of the rudder boss 54 , the rudder transmission bar 51 is arranged on the rudder boss 54 and one end thereof is arranged between the oblique tongue shift fork 53 and the guide column 103 . When turning the handle 7, the oblique tongue rudder 52 and the rudder drive bar 51 will rotate accordingly, and the rotation of the rudder drive bar 51 will push the square tongue rudder 6 to rotate, and the square tongue 4 will retract, and continue to rotate the handle 7 , the steering boss 54 will lean against the latch tongue shift fork 53 side, drive the latch bolt shift fork 53 to rotate, thereby make the latch bolt shift fork 5 move the latch bolt 3, and open the latch bolt 3.

The lower end surface of the latch bolt 3 is provided with a latch bolt groove 35, and the lock housing 1 is rotatably hinged with a latch bolt shifting block 14 and a transmission plate 15. One end of the transmission plate 15 is located in the latch tongue groove 35, and the other end tops Lean against an end of the oblique tongue dial block 14, the lock housing 1 is provided with a lock head 13, and the lock head 13 is rotatably provided with a lock core 132, and the lock core 132 is provided with the square tongue dial rudder 6 and the oblique rudder driven by its rotation. The locking head plectrum 131 that tongue shift block 14 rotates. Lock housing 1 is also provided with knob 16, and knob 16 is provided with the knob driving rod 161 that one end stretches in the lock housing 1, square tongue steering 6 is hinged on the knob driving rod 161, and square tongue steering rudder 6 is driven by the knob. Both sides of the rod 161 are respectively provided with a first fork 63 and a second fork 64 which can be pivoted and rotated by the paddle 131 . The knob can directly open and close the square tongue, which is more convenient for unlocking and locking. It is also possible to turn the lock head plectrum 131 by the key, and drive the square tongue to turn the rudder 6 and the oblique tongue to turn the block 14 to rotate and open the lock body.

The lower wall of the lock housing 1 is provided with a button hole 109, and the lower end surface of the oblique tongue 3 is provided with a lower convex column 36, and the rotating column 101 is located at the lower side of the oblique tongue shift fork 53 and is hinged with a manual button 17, and one end of the manual button 17 leans against the The lower side wall of the lock case 1 is exposed to the button hole 109 , and the other end leans against the side of the lower boss 36 , and a reset torsion spring 104 is arranged between the manual button 17 and the lock case 1 . Pressing the manual button 17 will open the latch 3, one of the ways of opening the door.

The square tongue 4 is provided with a square tongue boss 44, the upper end surface of the oblique tongue 3 is provided with an oblique tongue boss 37, the lock housing 1 is provided with two parallel sliding grooves 19, and the inner lining 2 is provided with two safety valves. Button hole 25, the sliding groove 19 is provided with the first safety button 201 and the second safety button 202 that extend out of the safety button hole 25 when sliding along the sliding groove 19, and the end of the manual button 17 exposed in the button hole 109 leans against the first On the safety button 201, the lower ends of the first safety button 201 and the second safety button 202 are respectively provided with a first groove 211 and a second groove 212, and the lock case 1 is between the first safety button 201 and the second safety button 202. A rotating shaft 203 is provided, and the lower end of the rotating shaft 203 is rotatably hinged with a key shifting block 204, one end of the key shifting block 204 is arranged in the first groove 211, and the other end is arranged in the second groove 212, and the second safety button 202 The upper end face is provided with a safety button slot 213, and the upper end of the rotating shaft 203 is hinged with a safety bar 205 passing through the safety key slot 213 and leaning against the right side of the oblique tongue boss 37, and the safety bar 205 is opened on the square tongue 4. When the square tongue can lean against the protruding column 44 side, when the square tongue 4 is locked, the safety bar 205 can be moved to rotate, and the second safety button 202 is stretched out, the first safety button 201 is retracted, and the manual button is locked. 17. When the first safety button was pressed in from the safety button hole 25, the first safety button would lean against the left side of the manual button 17 from the safety button hole 25, so that the manual button 17 could not be pressed to achieve the purpose of locking. Simultaneously when the oblique tongue 3 is retracted, the safety bar 205 will be driven to rotate, so that the second safety button 201 is retracted in the lock housing 1 from the safety button hole 25, and the retraction of the second safety button 201 will drive the button shifting block 204 rotates, and the rotation of the button dial 204 will drive the second safety button 201 to move out of the safety button hole 25, so that the safety button hole 25 will no longer be against the manual button 17, so that the manual button 17 can be pressed and rotated Open latch 3.

The lock head 13 is connected on the lock housing 1 by means of threaded connection, and the height of the lock head 13 on the lock housing 1 can be adjusted according to the thickness of the door during installation. The lock head 13 is circumferentially provided with a lock head slot 133, and the lock housing 1 is provided with an adjustment frame 105, and the adjustment frame 105 is provided with a threaded hole 106, and the threaded hole 106 is threaded and one end is inserted into the lock head card. The locking head chuck 107 in the groove 133. The lock body chuck 107 can prevent the lock head 13 from rotating due to looseness and other reasons.

The opening method of the lock body is as follows: first, the key is used to unlock the lock, and the lock end paddle is turned by the key, and the lock end paddle moves the first fork of the square tongue rudder, so that the square tongue rudder turns clockwise, and the square tongue rudder goes up. The guide slide bar of the guide slides from the inflection point slot at the lower end to the chute, and the square tongue steering wheel continues to rotate to the inflection point slot at the upper end through the elastic force of the elastic reset member, and the square tongue is opened; The slice will move the latch bolt to rotate clockwise, and the clockwise rotation of the latch bolt will drive the latch to retract, thereby opening the square tongue. The key unlocking method is mainly set outside the door, and can also be installed inside the door according to the needs of customers. set up.

Second, unlock the handle, turn the handle, and drive the oblique tongue rudder and the rudder drive bar to rotate clockwise. The rotation of the rudder drive bar will push against the square tongue rudder and rotate clockwise. The rod slides from the inflection point slot at the lower end to the chute, the square tongue is retracted, the step of the square tongue and the step of the oblique tongue are separated by a certain distance, the oblique tongue can move, continue to turn the handle, and the rudder boss will lean against the oblique tongue One side of the shift fork drives the slant bolt fork to rotate, so that the slant bolt fork moves the slant bolt. When the slant bolt moves into the lock housing, the slant of the slant bolt presses down on the rudder slope, driving the square tongue to continue to rotate the rudder. Until the square tongue is opened, the oblique tongue is also opened at the same time. The handle is set inside the door, which mainly plays an escape function.

Third, the manual button is turned on. When the square tongue is opened and the first safety button does not touch the manual button, the manual button can be pressed to open the latch tongue. This kind of square tongue is mainly set outside the door.

To lock the safety button, press the first safety button in the safety button hole manually, and the manual button will not be pressed; when the safety button and the square tongue are in the open state at the same time, lock the square tongue, and then When the tongue moves to the outside of the lock, the square tongue protruding column will drive the safety bar to rotate counterclockwise, so that the first safety button is stretched out, and the second safety button is retracted. To open the safety button, the second safety button can be manually pressed in the safety button hole, which will drive the first safety button to protrude from the safety button hole; Moving inside, the oblique tongue boss will drive the safety bar to rotate clockwise, so that the first safety button is stretched out, and the second safety button is retracted.

The locking of the lock body and the reset of the oblique tongue are reset by the elastic force of the elastic reset key. The locking of the square tongue can be done by turning the knob to drive the square tongue to turn the rudder and extend the square tongue. At this time, the oblique tongue steps to the top On the square tongue steps. It is also possible to drive the lock head to turn the rudder by the rotation of the key, and the lock head to turn the rudder to rotate and stir the second fork, so that the square tongue rudder turns to drive the oblique tongue to stretch out.

Claims (9)

1. A lock body capable of opening a square tongue through a slanted tongue, comprising a lock housing (1), one side of the lock housing (1) is provided with a lining (2), and the inner lining (2) is provided with a There are oblique bolt holes (11) and square tongue holes (22), and the lock housing (1) is provided with oblique bolts ( 3) and the square tongue (4), an elastic reset member (8) is provided between the oblique tongue (3) and the lock housing (1), and it is characterized in that: the oblique tongue (3) and The square tongue (4) is respectively provided with an oblique tongue buckle structure (32) and a square tongue buckle structure (43) that cooperate with each other, and the lock housing (1) is hinged to drive the oblique tongue when rotating. The telescopic slant tongue rudder assembly (5) and the square tongue rudder (6) that drives the square tongue (4) to expand and contract when rotating, the described slant tongue (3) is also provided with when the described slant tongue (3) When retracting, the toggle structure (31) that drives the rotation of the square tongue rudder (6) is set between the oblique tongue rudder assembly (5) and the square tongue rudder (6). When the oblique tongue steering assembly (5) rotates, it pushes the steering rod (51) that the square tongue steering (6) rotates. 2. The lock body capable of opening the square tongue through the oblique tongue according to claim 1, characterized in that: the described square tongue buckle structure (43) is a square tongue step (403), and the described oblique tongue buckle The structure (32) is a slanting tongue step (302) that leans against the square tongue step (403), the square tongue (4) is provided with a chute (41), and the chute (41 The two ends of ) are provided with inflection point draw-in groove (42), and one end of described square tongue shifting rudder (6) is provided with the guide slide bar (61) that can slide in the chute (41), described square tongue The rudder (6) is provided with a rudder inclined surface (62), and the described toggle structure (31) is for cooperating with the described rudder inclined surface (62) to drive the described square tongue rudder (6) to rotate. The oblique tongue slope (301), the elastic reset member (108) is arranged between the square tongue steering wheel (6) and the lock housing (1). 3. The lock body capable of opening the square tongue through the oblique tongue according to claim 1, characterized in that: the lock housing (1) is provided with a handle (7), and the oblique tongue (3) is An upper boss (33) and an oblique tongue chute (34) are provided, and the lock housing (1) is provided with a guide column (103) mounted in the oblique tongue chute (34), The handle (7) is provided with a handle transmission rod (71) whose end extends into the lock housing (1), and the oblique tongue steering assembly (5) includes a handle hinged on the handle The oblique tongue steering rudder (52) on the hand drive lever (71) also includes one end hinged on the rotating post (101) in the lock housing (1) and the other end leaning against the described upper boss ( 33) The slant tongue shift fork (53) on one side, the slant tongue rudder (52) is provided with a rudder boss (54), and one side of the slant tongue shift fork (53) leans against the Said rudder boss (54) side, said rudder driving strip (51) is arranged on said rudder boss (54) and one end thereof is arranged on said oblique tongue shift fork (53) And between guide strut (103). 4. The lock body capable of opening the square tongue through the bolt according to claim 1, characterized in that: the bottom surface of the bolt (3) is provided with a bolt groove (35), and the lock housing (1) The inner rotatable hinge is connected with a bolt shifter (14) and a transmission plate (15). One end of the transmission plate (15) is arranged in the groove of the bolt (35), and the other end Leaning against one end of the oblique tongue shift block (14), the lock housing (1) is provided with a lock head (13), and the lock cylinder (132) is rotatably arranged inside the lock head (13). ), the lock core (132) is provided with the lock head paddle (131) that rotates with it to stir the described square tongue steering wheel (6) and the oblique tongue shifting block (14) to rotate. 5. The lock body capable of opening the square tongue through the oblique tongue according to claim 4, characterized in that: the lock case (1) is provided with a knob (16), and the knob (16) is provided with One end extends into the knob transmission rod (161) in the lock housing (1), and the square tongue rudder (6) is hinged on the knob transmission rod (161), and the square tongue rudder (6) The first fork (63) and the second fork (64) that can be toggled and rotated by the lock paddle (131) are respectively provided on both sides of the knob transmission rod (161). 6. The lock body capable of opening the square tongue through the oblique tongue according to claim 3, characterized in that: the lower wall of the lock case (1) is provided with a button hole (109), and the oblique tongue ( 3) A lower boss (36) is provided on the lower end surface, and a manual button (17) is hinged below the oblique tongue shift fork (53) on the rotating column (101), and the manual button (17) ) one end leans against the lower wall of the lock case (1) and is exposed to the button hole (109), and the other end leans against the side of the lower boss (36), and the manual A reset torsion spring (104) is provided between the button (17) and the lock case (1). 7. The lock body of the square tongue that can be opened by the oblique tongue according to claim 6, characterized in that: the square tongue (4) is provided with a square tongue protrusion (44), and the oblique tongue (3 ) is provided with a latch tongue boss (37), the lock case (1) is provided with two parallel sliding grooves (19), and the inner lining (2) is provided with two safety Button holes (25), the first safety button (201) and the second safety button ( 202), one end of the manual button (17) exposed in the button hole (109) leans against the first safety button (201), the first safety button (201) and the second safety button The lower ends of the two safety buttons (202) are respectively provided with a first groove (211) and a second groove (212). A rotating shaft (203) is arranged between the keys (202), the lower end of the rotating shaft (203) is rotatably hinged with a key shifting block (204), and one end of the key shifting block (204) is arranged in the first concave In the groove (211), the other end is set in the second groove (212), the upper end surface of the second safety button (202) is provided with a safety button card slot (213), and the shaft (203) The upper end is hinged with a safety strip (205) that passes through the safety button slot (213) and can lean against the right side of the oblique tongue boss (37). The safety strip (205) When the square tongue (4) is opened, it can lean against the side of the said square tongue protruding post (44). 8. The lock body capable of opening the square tongue through the oblique tongue according to claim 4, characterized in that: the lock head (13) is provided with a lock head slot (133) in the circumferential direction, and the lock housing (1) There is an adjusting frame (105) inside, and the said adjusting frame (105) is provided with a threaded hole (106), and said threaded hole (106) is threaded and fitted with one end extending into said lock clip The lock head chuck (107) in the groove (133). 9. The lock body capable of opening the square tongue through the oblique tongue according to claim 4, characterized in that: the lock head (13) is connected to the lock housing (1) by means of threaded connection.

Images