CN217461778U - Lock body device with two lock tongues - Google Patents

Abstract

The utility model discloses a lock body device with two lock tongues, which can drive the rotation of a second rotating piece by rotating a first rotating piece after a transverse moving piece is retracted inwards and is jointed with a first clutch connection matching part, can drive the rotation of a second rotating piece by rotating a third rotating piece after the transverse moving piece is retracted inwards and is jointed with a third clutch connection matching part, thereby driving the rotation of a fourth rotating piece, and the arrangement of a first tooth pattern part is convenient for being connected with the transmission of a fifth tooth pattern part of a fifth rotating piece of a third driving mechanism, so as to control the action of a second tongue piece, and a first convex part and a third convex part can respectively press the arrangement of the first pull piece from top to bottom, so that the first pull piece can move downwards through the first convex part when the first rotating piece rotates from a first side to a second side direction or the third rotating piece rotates towards the second side direction, and the first pull piece can move downwards through the third convex part, therefore, the first tongue piece is driven to move downwards and retract inwards, and the practicability is good.

Description

Lock body device with two lock tongues

Technical Field

The utility model relates to a lock body device with two spring bolts.

Background

At present, the clutching mechanism design in the current lock body is more complicated, the assembly is inconvenient, be unfavorable for improving market competitiveness, some clutching mechanisms realize the separation and reunion function through the flexible realization of control pin, nevertheless the bayonet socket of the lock body spare part that will separate and reunion with the pin is on the direction of motion axis of pin, hinder other spare parts also to set up in same position, so, the pin can only carry out the separation and reunion with this spare part, and can not realize the separation and reunion with two spare parts with same one side, its application of being not convenient for some occasions.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes above-mentioned technique is not enough, provides a lock body device with two spring bolts.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lock body device with two lock tongues comprises a lock body 5, wherein an axial assembly is connected to the lock body 5, the axial assembly comprises a first rotating part 1, a second rotating part 2, a third rotating part 3 and a fourth rotating part 4 which are sequentially arranged in front and back in an axial direction, the middle parts of the first rotating part 1, the second rotating part 2, the third rotating part 3 and the fourth rotating part 4 are respectively provided with a front shaft hole and a back shaft hole, the periphery of the fourth rotating part 4 is provided with a fourth convex part 41 extending forwards and a first tooth thread part 42, the periphery of the first rotating part 1 is provided with a first convex part 11 positioned on the first side of the fourth convex part 41, the periphery of the second rotating part 2 is provided with a second convex part 21 positioned on the first side of the fourth convex part 41 and another second convex part 21 positioned on the second side of the fourth convex part 41, a limiting space for limiting the movement of the fourth convex part 41 is formed between the two outer second convex parts 21, the periphery of the third rotating member 3 is provided with a third protruding portion 31 located on the first side of the fourth protruding portion 41, the outer side wall of the second rotating member 2 is provided with a transverse through hole 22, a transverse moving member 23 which is used for rotating together with the second rotating member 2 and can extend outwards and contract inwards is installed in the transverse through hole 22, the second rotating member 2 is provided with a first elastic driving mechanism 24 used for driving the transverse moving member 23 to elastically extend outwards, the transverse moving member 23 near the front and rear axle hole end is provided with a first front protruding portion 231 protruding forwards for clutching with the first rotating member 1 and a second rear protruding portion 232 protruding backwards for clutching with the third rotating member 3, the first rotating member 1 is provided with a first clutching and connecting and matching portion 12 for clutching and connecting the first front protruding portion 231, the third rotating member 3 is provided with a third clutching and connecting and matching portion 32 for clutching and connecting the second rear protruding portion 232, the lock is characterized in that the lock body 5 is further connected with a first tongue piece 61 used for elastically resetting and moving upwards through a second elastic driving mechanism 6 in a driving mode, the first tongue piece 61 is connected with a second tongue piece 8 capable of moving upwards and downwards through a third driving mechanism 7 in a driving mode, a first pull piece 611 moving upwards and downwards together with the first tongue piece 61 is arranged on the first tongue piece 61, the third driving mechanism 7 drives a fifth rotating piece 71 used for moving the second tongue piece 8 upwards and downwards in a forward and reverse rotating mode, the first protruding portion 11 and the third protruding portion 31 can respectively press towards the first pull piece 611 from top to bottom, a fifth tooth thread portion 711 connected with the first tooth thread portion 42 in a meshing mode is arranged on the fifth rotating piece 71, and a fourth driving mechanism 9 used for driving the transverse moving piece 23 to retract inwards is further arranged on the lock body 5.

Preferably, the second rotating member 2 is further provided with a front-rear direction communication hole 25 at the first side of the fourth projecting portion 41 for connecting and fixing the nail body 251 at the front end of the second rotating member 2 or connecting and fixing the nail body 251 at the rear end of the second rotating member 2 as required, the nail body 251 is located at the first side of the first projecting portion 11 when the nail body 251 is connected and fixed at the front end of the second rotating member 2, and the nail body 251 is located at the first side of the third projecting portion 31 when the nail body 251 is connected and fixed at the rear end of the second rotating member 2.

Preferably, the rear end of the first rotating member 1 is provided with a first rear protruding ring part 13 extending into the front-rear shaft hole of the second rotating member 2, the front end of the third rotating member 3 is provided with a third front protruding ring part 33 extending into the front-rear shaft hole of the second rotating member 2, and the rear end of the third rotating member is provided with a fourth rear protruding ring part 34 extending into the front-rear shaft hole of the fourth rotating member 4.

Preferably, the transverse through hole 22 is communicated to a front-back shaft hole of the second rotating member 2, the front-back shaft hole of the second rotating member 2 comprises a round hole area 211 convenient for being rotatably connected to the lock body and an extension hole area 212 located outside the round hole area 211 and communicated with the round hole area 211, and the transverse through hole 22 is communicated to the extension hole area 212.

Preferably, the upper end that the second rotated 2 is equipped with and is convenient for do not hinder the first preceding convex part 231 and the first front end that rotates 1 and carry out the separation and reunion dodge face 213, the lower extreme is equipped with and is convenient for do not hinder the second back convex part 232 and the third rotate the rear end that 3 carried out the separation and reunion and dodge face 214, the second rotates 2 edges and is equipped with preceding terminal surface ratio the face 213 is dodged to the front end and first preceding convex part 231 more leans on preceding, rear end face ratio the rear end dodges face 214 and second back convex part 232 and more leans on installation department 215, horizontal through-hole 22 runs through installation department 215, installation department 215 is equipped with near one side in the front and back to the shaft hole and is convenient for when horizontal moving part 23 outwards stretches out the confession first preceding convex part 231 is absorbed in wherein and not to the protrusion of front end dodges face 213 protrusion and supplies behind the second convex part 232 is absorbed in wherein and not the convex notch 2151 of rear end dodge face 214.

Preferably, the first clutch connection fitting portion 12 and the third clutch connection fitting portion 32 are L-shaped wall surfaces extending from the second side of the fourth protruding portion 41 toward the fourth protruding portion 41.

Preferably, the fifth rotating member 71 is further provided with a limiting bayonet 710 at an edge thereof, for facing the direction of the key cylinder hole 51 to facilitate driving connection with the key cylinder.

Preferably, the third driving mechanism 7 further includes a protruding column 712 disposed on the front/rear end surface of the fifth rotating member 71, the second tongue member 8 is provided with a guide groove 81 for the protruding column 712 to pass through, and the second tongue member 8 can move up and down by the positive and negative rotation of the fifth rotating member 71 through the protruding column 712 and the guide groove 81.

Preferably, the transverse through hole 22 is arranged towards the radial direction, the fourth driving mechanism 9 comprises a motor assembly 91 and a movable block 92 driven by the motor assembly 91 and capable of transversely moving back and forth, the movable block 92 is provided with a concave arc surface 921 which is moved back and forth along with the movable block 92 so as to control whether the transverse moving member 23 retracts back or not, and the concave arc surface 921 faces towards the second rotating member 2.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lock body device is simple in structure and easy to realize, and the fourth protruding part on the fourth rotating part of the axial assembly is arranged to facilitate transmission of a circumferential acting force with each other when being in circumferential contact with the first protruding part on the first rotating part, a circumferential acting force with each other when being in circumferential contact with the second protruding part on the second rotating part, and a circumferential acting force with each other when being in circumferential contact with the third protruding part on the third rotating part, so that the first rotating part can drive the fourth rotating part to rotate towards the second side direction when rotating towards the second side direction, and the third rotating part can also drive the fourth rotating part to rotate towards the second side direction when rotating towards the second side direction, and thus, the function of rotating the fourth rotating part towards the second side direction can be realized by rotating the door handle towards the second side direction in specific implementation; the second rotating part can drive the fourth rotating part to rotate towards the second side direction through the second rear convex part on the first side when rotating towards the second side direction, the second rotating part can drive the fourth rotating part to rotate towards the first side direction through the second rear convex part on the second side when rotating towards the first side direction, the second rotating part can be conveniently connected with the front and rear rotating parts through the transverse moving part and the first elastic driving mechanism, the second rotating part is conveniently in clutch connection with the front and rear rotating parts, the transverse moving part is convenient to implement, the first rotating part can drive the second rotating part to rotate through rotating the first rotating part after being inwards contracted and connected with the first clutch connection matching part, and the third rotating part can drive the second rotating part to rotate through rotating the third rotating part after being inwards contracted and connected with the third clutch connection matching part, so that the fourth rotating part is driven to rotate, the setting of first insection is convenient for with the transmission of the fifth insection of the fifth rotation piece of third actuating mechanism is connected, so that can control the action of second tongue piece, and first bulge, third bulge can press to from the top down respectively the setting of first pulling-on piece, can pass through when being convenient for first rotation piece rotates from first side to second side direction first pulling-on piece downstream is made or the third rotation piece can pass through when rotating to second side direction the third bulge makes first pulling-on piece downstream, thereby the drive first tongue piece downstream and the retraction, the practicality is good.

2. The front and back communicating holes of the second rotating piece are arranged, so that the nail body can be conveniently connected and fixed at the front end of the second rotating piece as required, when the first rotating piece rotates towards the first side direction, the first rotating piece can drive the second rotating piece to rotate towards the first side direction through the first protruding part and the nail body, so that the second rotating piece can drive the fourth rotating piece to rotate towards the first side direction through the second protruding part and the fourth protruding part, the forward and reverse rotation of the first rotating piece can be favorably realized during specific implementation, the fourth rotating piece can correspond to the forward and reverse rotation, the first rotating piece is suitable for being connected with the inner door handle and the third rotating piece and is suitable for being connected with the outer door handle, or the nail body can be conveniently connected and fixed at the rear end of the second rotating piece as required, when the third rotating piece rotates towards the first side direction, the nail body can be connected and fixed at the front end of the second rotating piece through the third protruding part, The nail body drives the second and rotates the piece and rotate to first side direction, so the second rotates piece accessible second bulge, fourth bulge and drives the fourth rotates the piece and rotates to first side direction, is favorable to realizing during the concrete implementation the third rotates the positive and negative rotation of piece and makes the fourth rotates the function that the piece corresponds positive and negative rotation, and at this moment the third rotates the piece and is suitable for connecting interior door handle, first rotation piece and is suitable for connecting outer door handle, and it is suitable for practical application, and the practicality is good.

3. The present case the first back bulge loop portion setting of first rotation piece with the third front bulge loop portion setting of third rotation piece is convenient for supply the second rotates the piece and rotates and connect between the two, the fourth back bulge loop portion setting of third rotation piece is convenient for supply the fourth rotation piece rotates and connects the third rotates the piece rear end, its compact structure, and it is convenient to implement, so, when specifically implementing, need not set up the confession on hand or the lock body separately the second rotates the piece and rotates the bearing portion of connecting, the fourth rotation piece rotation connection, and the practicality is good.

4. The through hole communicates to the setting in the fore-and-aft shaft hole of second rotation piece, can be more convenient when being convenient for concrete implementation the transverse moving part, the setting in epitaxial aperture district is convenient for the transverse moving part can not influence when inwards contracting extremely the round hole district, so do not influence the rotation of second rotation piece is connected, and the practicality is good.

5. In this case, the second rotating member is provided with an installation portion on the edge thereof, the front end face of the installation portion is closer to the front than the front avoidance face and the first front protrusion, the rear end face of the installation portion is closer to the rear than the rear avoidance face and the second rear protrusion, and the installation portion is provided with the notch, so that when the transverse moving member is not retracted, the first front protrusion is sunk into the notch and does not protrude in front of the front end face of the installation portion and in front of the front avoidance face, and the second rear protrusion is sunk into the notch and does not protrude behind the rear end face of the installation portion and in rear of the rear avoidance face, and the lock body is good in neatness, and in this state, parts of the lock body, such as the first rotating member and the third rotating member, are not easy to collide with the first front protrusion and the second rear protrusion to affect the use performance, and is good in safety, and when the first rotating member is attached to the front end face and the third rotating member is attached to the rear avoidance face to the rear end avoidance face to make the structure compact, the practicability is good.

6. First separation and reunion connection cooperation portion with cooperation portion is connected respectively for following to the third separation and reunion the second side orientation of fourth bulge the L shape wall of fourth bulge orientation, so, be convenient for transverse moving member contracts after to, first rotation piece is followed can drive the fourth through L shape wall, fourth bulge and rotate to second side direction when the first side direction second side direction of fourth bulge rotates, the third rotates the piece and follows can drive the fourth through L shape wall, fourth bulge and rotate to second side direction when the first side direction second side direction of fourth bulge rotates, the practicality is good.

7. The fifth rotating piece is provided with a limiting bayonet at the edge and is in transmission connection with the lock core on the lock body, the limiting bayonet faces the direction of the lock core hole, the lock core is convenient to rotate after the lock core is assembled, the fifth rotating piece is rotated through the limiting bayonet, then the third driving mechanism drives the movement of the second tongue piece, the third driving mechanism is suitable for controlling the locking and unlocking functions of the second tongue piece through a lock core key, and the practicability is good.

8. The concave arc surface of the movable block is arranged, so that even if the second rotating piece drives the transverse moving piece to rotate by a certain angle within a set range, the concave arc surface can still reliably jack the transverse moving piece to retract inwards when approaching to the direction of the second rotating piece, the action is convenient, and the clutch control is convenient.

Drawings

Fig. 1 is a diagram of the lock device of the present invention.

Fig. 2 is an axial assembly view of the present disclosure.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is one of the views of the second rotating member of the present application.

Fig. 5 is a schematic view of the transverse moving member of the present invention.

FIG. 6 is a second view of the second rotating member of the present invention.

Fig. 7 is a third view of the second rotating member of the present invention.

Fig. 8 is a structural view between the second tongue member and the third driving mechanism in the present invention.

FIG. 9 is a structural view between the transverse moving member and the fourth driving mechanism.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 9, a lock body device with two lock bolts comprises a lock body 5, wherein an axial assembly is connected to the lock body 5, the axial assembly comprises a first rotating member 1, a second rotating member 2, a third rotating member 3 and a fourth rotating member 4 which are sequentially arranged in a front-back direction in an axial direction and are respectively provided with a front shaft hole and a rear shaft hole at the middle part, a fourth protruding part 41 extending forwards and a first tooth thread part 42 are arranged on the periphery of the fourth rotating member 4, a first protruding part 11 positioned on the first side of the fourth protruding part 41 is arranged on the periphery of the first rotating member 1, a second protruding part 21 positioned on the first side of the fourth protruding part 41 and another second protruding part 21 positioned on the second side of the fourth protruding part 41 are arranged on the periphery of the second rotating member 2, a limiting space for limiting the movement of the fourth protruding part 41 is formed between the two outer second protruding parts 21, the periphery of the third rotating member 3 is provided with a third protruding portion 31 located on the first side of the fourth protruding portion 41, the outer side wall of the second rotating member 2 is provided with a transverse through hole 22, a transverse moving member 23 which is used for rotating together with the second rotating member 2 and can extend outwards and contract inwards is installed in the transverse through hole 22, the second rotating member 2 is provided with a first elastic driving mechanism 24 used for driving the transverse moving member 23 to elastically extend outwards, the transverse moving member 23 near the front and rear axle hole end is provided with a first front protruding portion 231 protruding forwards for clutching with the first rotating member 1 and a second rear protruding portion 232 protruding backwards for clutching with the third rotating member 3, the first rotating member 1 is provided with a first clutching and connecting and matching portion 12 for clutching and connecting the first front protruding portion 231, the third rotating member 3 is provided with a third clutching and connecting and matching portion 32 for clutching and connecting the second rear protruding portion 232, the lock is characterized in that the lock body 5 is further connected with a first tongue piece 61 used for elastically resetting and moving upwards through a second elastic driving mechanism 6 in a driving mode, the first tongue piece 61 is connected with a second tongue piece 8 capable of moving upwards and downwards through a third driving mechanism 7 in a driving mode, a first pull piece 611 moving upwards and downwards together with the first tongue piece 61 is arranged on the first tongue piece 61, the third driving mechanism 7 drives a fifth rotating piece 71 used for moving the second tongue piece 8 upwards and downwards in a forward and reverse rotating mode, the first protruding portion 11 and the third protruding portion 31 can respectively press towards the first pull piece 611 from top to bottom, a fifth tooth thread portion 711 connected with the first tooth thread portion 42 in a meshing mode is arranged on the fifth rotating piece 71, and a fourth driving mechanism 9 used for driving the transverse moving piece 23 to retract inwards is further arranged on the lock body 5.

As described above, in practical implementation, one of the first rotating member 1 and the third rotating member 3 is used to connect with the inner door handle, and the other is used to connect with the outer door handle, so as to drive the corresponding rotating member to rotate through the door handle.

As described above, the lock device of the present invention is simple and easy to implement, the fourth protrusion 41 of the fourth rotating member 4 of the axial assembly is disposed to facilitate circumferential force transmission when circumferentially contacting the first protrusion 11 of the first rotating member 1, circumferential force transmission when circumferentially contacting the second protrusion 21 of the second rotating member 2, and circumferential force transmission when circumferentially contacting the third protrusion 31 of the third rotating member 3, thus, when the first rotating member 1 rotates towards the second side direction, the fourth rotating member 4 can be driven to rotate towards the second side direction, the third rotating member 3 can drive the fourth rotating member 4 to rotate towards the second side direction when rotating towards the second side direction, in this way, the fourth rotating member 4 can be rotated in the second lateral direction by rotating the door handle in the second lateral direction; when the second rotating member 2 rotates towards the second side direction, the second rear protrusion 232 at the first side can drive the fourth rotating member 4 to rotate towards the second side direction, when the second rotating member 2 rotates towards the first side direction, the second rear protrusion 232 at the second side can drive the fourth rotating member 4 to rotate towards the first side direction, and the arrangement of the transverse moving member 23 and the first elastic driving mechanism 24 is combined, so that the clutch connection between the second rotating member 2 and the front and rear rotating members thereof can be conveniently realized, when the transverse moving member 23 retracts inwards to be connected with the first clutch connection matching portion 12, the first rotating member 1 can be driven to rotate by rotating the first rotating member 1, and when the transverse moving member 23 retracts inwards to be connected with the third clutch connection matching portion 32, the third rotating member 3 can be driven to rotate the second rotating member 2 by rotating the third rotating member 3, therefore, the fourth rotating member 4 is driven to rotate, the first toothed portion 42 is in transmission connection with the fifth toothed portion 711 of the fifth rotating member 71 of the third driving mechanism 7, so as to control the action of the second tongue member 8, and the first protruding portion 11 and the third protruding portion 31 are respectively capable of pressing the first pull tab 611 from top to bottom, so that the first pull tab 611 can be moved downward by the first protruding portion 11 when the first rotating member 1 rotates from the first side to the second side or the first pull tab 611 can be moved downward by the third protruding portion 31 when the third rotating member 3 rotates from the second side, so that the first tongue member 61 is driven to move downward and retract inward, and the practicability is good.

As shown in fig. 3, 4, 6 and 7, in practical implementation, the second rotating member 2 is further provided with a front-back communication hole 25 at the first side of the fourth protruding portion 41 for connecting and fixing the nail body 251 at the front end of the second rotating member 2 or connecting and fixing the nail body 251 at the rear end of the second rotating member 2 as required, the nail body 251 is located at the first side of the first protruding portion 11 when the nail body 251 is connected and fixed at the front end of the second rotating member 2, and the nail body 251 is located at the first side of the third protruding portion 31 when the nail body 251 is connected and fixed at the rear end of the second rotating member 2.

As described above, in the present invention, the front-back communication hole 25 of the second rotating member 2 is provided to facilitate the connection and fixation of the nail body 251 to the front end of the second rotating member 2 as required, such that when the first rotating member 1 rotates in the first side direction, the first protruding portion 11 and the nail body 251 can drive the second rotating member 2 to rotate in the first side direction, such that the second rotating member 2 can drive the fourth rotating member 4 to rotate in the first side direction through the second protruding portion 21 and the fourth protruding portion 41, which is advantageous for realizing the function of forward and reverse rotation of the first rotating member 1 to make the fourth rotating member 4 rotate in the forward and reverse direction, and the first rotating member 1 is suitable for connecting the inner door handle and the third rotating member 3 to connect the outer door handle, or the nail body 251 is convenient for connection and fixation to the rear end of the second rotating member 2 as required, when the third rotation piece 3 rotates to the first side direction, the third protrusion 31 and the nail body 251 can drive the second rotation piece 2 to rotate to the first side direction, so the second rotation piece 2 can drive the fourth rotation piece 4 to rotate to the first side direction through the second protrusion 21 and the fourth protrusion 41, and the forward and reverse rotation of the third rotation piece 3 is facilitated to realize the function that the fourth rotation piece 4 rotates forward and reverse correspondingly, and the third rotation piece 3 is suitable for being connected with an inner door handle and the first rotation piece 1 is suitable for being connected with an outer door handle, so that the third rotation piece is suitable for practical application and has good practicability.

As shown in fig. 3, in specific implementation, the rear end of the first rotating member 1 is provided with a first rear protruding ring portion 13 extending into the front-rear shaft hole of the second rotating member 2, the front end of the third rotating member 3 is provided with a third front protruding ring portion 33 extending into the front-rear shaft hole of the second rotating member 2, and the rear end of the third rotating member 3 is provided with a fourth rear protruding ring portion 34 extending into the front-rear shaft hole of the fourth rotating member 4.

As described above, in this embodiment, the first rear protruding ring portion 13 of the first rotating member 1 and the third front protruding ring portion 33 of the third rotating member 3 are disposed to facilitate the supply of the second rotating member 2 to be rotatably connected therebetween, and the fourth rear protruding ring portion 34 of the third rotating member 3 is disposed to facilitate the supply of the fourth rotating member 4 to be rotatably connected to the rear end of the third rotating member 3, so that the structure is compact and the implementation is convenient, and thus, in the specific implementation, it is not necessary to additionally dispose a bearing portion for the second rotating member 2 to be rotatably connected and the fourth rotating member 4 to be rotatably connected on the handle or the lock body, and the practicability is good.

As shown in fig. 6 and fig. 7, in practical implementation, the transverse through hole 22 is communicated to the front-rear shaft hole of the second rotating member 2, the front-rear shaft hole of the second rotating member 2 includes a circular hole region 211 convenient for being rotatably connected to the lock body and an extended hole region 212 located outside the circular hole region 211 and communicated with the circular hole region 211, and the transverse through hole 22 is communicated to the extended hole region 212.

As described above, the arrangement of the through hole 22 communicating with the front-rear shaft hole of the second rotating member 2 facilitates the convenient arrangement of the transverse moving member 23 during the specific implementation, and the arrangement of the extended hole region 212 facilitates the inward contraction of the transverse moving member 23 without affecting the circular hole region 211, thereby not affecting the rotational connection of the second rotating member 2, and having good practicability.

As shown in fig. 6 and 7, in a specific implementation, the upper end of the second rotating member 2 is provided with a front end avoiding surface 213 for preventing the first front protrusion 231 from engaging with and disengaging from the first rotating member 1, the lower end is provided with a rear end avoiding surface 214 for preventing the second rear protrusion 232 from engaging with and disengaging from the third rotating member 3, the second rotating member 2 is provided on its side with a mounting portion 215 having a front end surface located forward of the front end escape surface 213 and the first front projection 231 and a rear end surface located rearward of the rear end escape surface 214 and the second rear projection 232, the transverse through hole 22 penetrates the mounting portion 215, and one side of the mounting portion 215, which is close to the front and rear shaft holes, is provided with a notch 2151, which is convenient for the transverse moving member 23 to extend outwards, so that the first front protrusion 231 sinks into the notch and does not protrude from the front end avoiding surface 213 and the second rear protrusion 232 sinks into the notch and does not protrude from the rear end avoiding surface 214.

As described above, in the present invention, the second rotating member 2 is provided with the mounting portion 215 having the front end surface located more forward than the front end avoiding surface 213 and the first front protrusion 231 and the rear end surface located more rearward than the rear end avoiding surface 214 and the second rear protrusion 232 and the recess 2151, so that the first front protrusion 231 is recessed into the recess 2151 without protruding before the front end surface of the mounting portion 215 and without protruding toward the front end avoiding surface 213, the second rear protrusion 232 is recessed into the recess 2151 without protruding after the rear end surface of the mounting portion 215 and without protruding toward the rear end avoiding surface 214 when the transverse moving member 23 is not retracted inward, and therefore, the present invention has good neatness, and in this state, the lock body components such as the first rotating member 1 and the third rotating member 3 are not likely to collide with the first front protrusion 231 and the second rear protrusion 232, which affects the usability, and the present invention has good safety, and in particular embodiment, the first rotating member 1 is facilitated to avoid the front end surface 213 and the third rotating member 3 is likely to stick to the rear end surface The rear end is avoided from the surface 214, so that the structure is compact and the practicability is good.

As shown in fig. 3, in a specific implementation, the first clutch connection matching portion 12 and the third clutch connection matching portion 32 are respectively an L-shaped wall surface facing the direction of the fourth protruding portion 41 from the second side of the fourth protruding portion 41, so that after the transverse moving member 23 retracts inward, the first rotating member 1 can drive the fourth rotating member 4 to rotate towards the second side direction through the L-shaped wall surface and the fourth protruding portion 41 when rotating from the first side to the second side direction of the fourth protruding portion 41, and the third rotating member 3 can drive the fourth rotating member 4 to rotate towards the second side direction through the L-shaped wall surface and the fourth protruding portion 41 when rotating from the first side to the second side direction of the fourth protruding portion 41, so that the practicability is good.

As mentioned above, in practice, the first tongue 61 may be a latch tongue, which facilitates the first tongue 61 to retract first without manually twisting the door handle during closing.

As shown in fig. 1 and 8, in a specific implementation, a limit bayonet 710 for transmission connection with a lock cylinder on a lock body is further disposed on the fifth rotation member 71, and the limit bayonet 710 faces the direction of the lock cylinder hole, so that the lock cylinder can be rotated after the lock cylinder is assembled, the fifth rotation member 71 can be rotated through the limit bayonet 710, and then the third driving mechanism 7 drives the second tongue member 8 to move, which is suitable for controlling the locking and unlocking functions of the second tongue member 8 through a key of the lock cylinder, and is good in practicability.

As shown in fig. 8, in specific implementation, the third driving mechanism 7 further includes a protruding column 712 disposed on a front/rear end surface of the fifth rotating member 71, the second tongue member 8 is provided with a guide groove 81 for allowing the protruding column 712 to pass through, and the second tongue member 8 can move up and down through the protruding column 712 and the guide groove 81 when the fifth rotating member 71 rotates forward and backward, so that implementation is convenient.

As shown in fig. 9, in specific implementation, the transverse through hole 22 is arranged in a radial direction, the fourth driving mechanism 9 includes a motor assembly 91 and a movable block 92 driven by the motor assembly 91 and capable of moving transversely back and forth, a concave arc surface 921, which moves transversely back and forth along with the movable block 92 so as to control whether the transverse moving member 23 retracts inwardly, is arranged on the movable block 92, and the concave arc surface 921 faces the direction of the second rotating member 2.

As described above, the concave arc surface 921 of the movable block 92 is provided, so that even if the second rotating member 2 drives the transverse moving member 23 to rotate by a certain angle within a set range, the concave arc surface 921 can reliably press the transverse moving member 23 to retract inward when approaching the second rotating member 2, and the clutch control is convenient.

As described above, the present disclosure is directed to a lock device with two locking bolts, and all technical solutions identical or similar to the present disclosure should be considered as falling within the scope of the present disclosure.

Claims (9)

1. A lock body device with two lock tongues is characterized by comprising a lock body (5), wherein an axial assembly is connected onto the lock body (5), the axial assembly comprises a first rotating piece (1), a second rotating piece (2), a third rotating piece (3) and a fourth rotating piece (4) which are axially arranged in sequence and are respectively provided with a front shaft hole and a rear shaft hole at the middle part, a fourth protruding part (41) extending forwards and a first tooth thread part (42) are arranged on the periphery of the fourth rotating piece (4), a first protruding part (11) positioned on the first side of the fourth protruding part (41) is arranged on the periphery of the first rotating piece (1), a second protruding part (21) positioned on the first side of the fourth protruding part (41) and another second protruding part (21) positioned on the second side of the fourth protruding part (41) are arranged on the periphery of the second rotating piece (2), a limiting space for limiting the movement of the fourth protruding part (41) is formed between the two outer second protruding parts (21), a third protruding part (31) which is positioned on the first side of the fourth protruding part (41) is arranged on the periphery of the third rotating part (3), a transverse through hole (22) is formed in the outer side wall of the second rotating part (2), a transverse moving part (23) which rotates along with the second rotating part (2) and can extend outwards and retract inwards is installed in the transverse through hole (22), a first elastic driving mechanism (24) for driving the transverse moving part (23) to elastically extend outwards is arranged on the second rotating part (2), a first front protruding part (231) protruding forwards for clutching with the first rotating part (1) and a second rear protruding part (232) protruding backwards for clutching with the third rotating part (3) are arranged on the transverse moving part (23) close to the front-back shaft hole end, be equipped with on first commentaries on classics piece (1) and supply first preceding convex part (231) separation and reunion connection cooperation portion (12) that the separation and reunion is connected, third rotation piece (3) are equipped with and supply third separation and reunion connection cooperation portion (32) that convex part (232) separation and reunion is connected behind the second, still be connected with through second elastic drive mechanism (6) drive on lock body (5) and be used for the elasticity to reset upward movement's first tongue piece (61), be connected with second tongue piece (8) that can up-and-down motion through third actuating mechanism (7) drive, be equipped with first pulling-on piece (611) of up-and-down motion together with first tongue piece (61) on first tongue piece (61), third actuating mechanism (7) make third actuating mechanism (7) drive when being used for just reversing fifth rotation piece (71) of second tongue piece (8) up-and-down motion, first convex part (11), The third protruding portions (31) can press towards the first pull piece (611) from top to bottom respectively, a fifth tooth thread portion (711) which is connected with the first tooth thread portion (42) in a meshed mode is arranged on the fifth rotating piece (71), and a fourth driving mechanism (9) used for driving the transverse moving piece (23) to retract inwards is further arranged on the lock body (5).

2. A lock device with two lock bolts according to claim 1, wherein said second rotation member (2) is further provided with a front-back communication hole (25) at the first side of said fourth protrusion (41) for connecting and fixing the nail body (251) at the front end of the second rotation member (2) as required or connecting and fixing the nail body (251) at the rear end of the second rotation member (2) as required, said nail body (251) is located at the first side of said first protrusion (11) when connecting and fixing the nail body (251) at the front end of the second rotation member (2), and said nail body (251) is located at the first side of said third protrusion (31) when connecting and fixing the nail body (251) at the rear end of the second rotation member (2).

3. A lock device with two locking tongues according to claim 1, characterised in that the rear end of the first rotary member (1) is provided with a first rear collar (13) extending into the front and rear axial holes of the second rotary member (2), the front end of the third rotary member (3) is provided with a third front collar (33) extending into the front and rear axial holes of the second rotary member (2), and the rear end is provided with a fourth rear collar (34) extending into the front and rear axial holes of the fourth rotary member (4).

4. A lock body assembly with two locking bolts according to claim 1, wherein said transverse through hole (22) is connected to the front and rear shaft holes of said second rotating member (2), said front and rear shaft holes of said second rotating member (2) comprise a circular hole area (211) for facilitating the rotation connection to the lock body and an extension hole area (212) located outside said circular hole area (211) and communicated with said circular hole area (211), and said transverse through hole (22) is connected to said extension hole area (212).

5. The lock body device with two lock bolts as claimed in claim 4, wherein the upper end of the second rotating member (2) is provided with a front end avoiding surface (213) for preventing the first front protrusion (231) from clutching with the first rotating member (1), the lower end is provided with a rear end avoiding surface (214) for preventing the second rear protrusion (232) from clutching with the third rotating member (3), the second rotating member (2) is provided with a front end surface than the front end avoiding surface (213) and the first front protrusion (231) are closer to the front end and the rear end surface than the rear end avoiding surface (214) and the second rear protrusion (232) are closer to the rear mounting portion (215), the transverse through hole (22) penetrates through the mounting portion (215), one side of the mounting portion (215) close to the front and rear shaft holes is provided with a convenience for the first front protrusion (231) to sink into the front end avoiding surface (213) and for protrusion and supply of the front end avoiding surface (213) when the transverse moving member (23) extends outward A recess (2151) into which the second rear protrusion (232) is recessed without protruding toward the rear-end escape surface (214).

6. A lock device with two lock bolts according to claim 1, wherein said first engaging and disengaging means (12) and said third engaging and disengaging means (32) are respectively L-shaped walls extending from the second side of said fourth protrusion (41) toward said fourth protrusion (41).

7. A lock body assembly with two lock bolts according to claim 1, wherein said fifth rotating member (71) is further provided with a limit bayonet (710) at the edge thereof for facing the cylinder hole (51) to facilitate driving connection with the cylinder.

8. A lock device with two locking bolts according to claim 1, wherein said third driving mechanism (7) further comprises a protruding pillar (712) disposed on the front/rear end surface of said fifth rotating member (71), said second tongue member (8) is provided with a guiding groove (81) for said protruding pillar (712) to pass through, the forward and reverse rotation of said fifth rotating member (71) can move said second tongue member (8) up and down through said protruding pillar (712) and said guiding groove (81).

9. A lock device with two locking bolts according to any one of claims 1-8, wherein said transverse through hole (22) is arranged in a radial direction, said fourth driving mechanism (9) comprises a motor assembly (91) and a movable block (92) driven by said motor assembly (91) and capable of moving back and forth in a transverse direction, said movable block (92) is provided with a concave arc surface (921) moving back and forth in a transverse direction along with said movable block (92) so as to control whether said transverse moving member (23) retracts inward, and said concave arc surface (921) faces the direction of said second rotating member (2).

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