CN209761055U

CN209761055U - Postposition drive clutch lock

Info

Publication number: CN209761055U
Application number: CN201920074063.XU
Authority: CN
Inventors: 郭启柱
Original assignee: Guangdong Nanfan Intelligent Home Furnishing Co Ltd
Current assignee: Guangdong Nanfan Intelligent Home Furnishing Co Ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2019-12-10
Anticipated expiration: 2029-01-15

Abstract

The utility model discloses a rear-mounted drive clutch lock, which comprises a front panel and a rear panel, wherein the front side of the front panel is connected with a front handle through a bearing, the rear top of the front panel is provided with a front fixed seat, the rear bottom of the front panel is provided with a front conversion head, the front handle is rotationally connected with the front fixed seat, the left side and the right side of the front fixed seat are both hinged with a front linkage rod, the rear side of the rear panel is connected with a rear handle through a bearing, the front top of the rear panel is provided with a rear fixed seat, the rear bottom of the rear panel is provided with a rear conversion head, the rear handle is rotationally connected with the rear fixed seat, the front side of the rear fixed seat is provided with a rotary sleeve and a limit strip, the front side of the rear panel is provided with a clutch device, the utility model discloses a clutch device for unlocking is arranged on the rear panel, thereby improving the use safety of the lock, and the clutch device is practical in non-contact transmission, the power consumption is lower, and the service life is longer.

Description

Postposition drive clutch lock

Technical Field

The utility model relates to a tool to lock especially relates to a rearmounted drive separation and reunion lock.

Background

Along with the progress of science and technology, the tool to lock is also constantly upgrading, electronic lock, intelligence lock etc. are also more and more popularized, current tool to lock, like fingerprint lock, password lock etc. all are leading separation and reunion transmission mode, clutch installs the front panel at the door promptly, if direct destruction front panel, then accessible control clutch's mode, directly unblank, the security performance is relatively poor, and current clutch uses motor drive control's mode more, the contact wear and tear of motor stator and spy brush and the multiple friction of spring, the compression, the life of tool to lock has been reduced, need often to change parts or maintain, it is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: there is a need for a lock, which has a clutch device with improved security, is not easily damaged to unlock, and has more stable operation and longer service life.

The utility model provides a solution of its technical problem is: a rear-mounted driving clutch lock comprises a front panel and a rear panel, wherein the front side of the front panel is connected with a front handle through a bearing, the top of the rear side of the front panel is provided with a front fixing seat, the bottom of the rear side of the front panel is provided with a front conversion head, the front handle is rotatably connected with the front fixing seat, the left side and the right side of the front fixing seat are both hinged with front linkage rods, the middle part of the front conversion head is rotatably connected with the front panel, the bottom ends of the two front linkage rods are respectively hinged with the left end and the right end of the front conversion head, the rear side of the rear panel is connected with a rear handle through a bearing, the top of the front side of the rear panel is provided with a rear fixing seat, the bottom of the rear side of the rear panel is provided with a rear conversion head, the rear handle is rotatably connected with the rear fixing seat, the front side of the rear fixing seat is provided with a rotary sleeve and a limiting strip, and the rotary, the outer side wall of the rotating sleeve is provided with a limiting ring, the top surface and the bottom surface of the limiting ring are both provided with clamping grooves, the limiting strips are provided with vertical grooves corresponding to the clamping grooves on the bottom surface of the limiting ring, the left side and the right side of the rear fixing seat are both hinged with rear linkage rods, the middle part of the rear conversion head is rotatably connected with the rear panel, the bottom ends of the two rear linkage rods are respectively hinged with the left end and the right end of the rear conversion head, the front conversion head is in transmission connection with the rear conversion head through a second square strip, the front side of the rear panel is provided with a clutch device, the clutch device is arranged below the rear fixing seat and comprises a shell, a cavity is arranged in the shell, the inner wall of the cavity is fixedly connected with an electromagnetic fixing frame, the top of the electromagnetic fixing frame is provided with an opening, and a coil, an electromagnetic core sealing plate is fixedly arranged at the opening, a magnet is arranged between the electromagnetic core sealing plate and the coil, the middle part of the coil is provided with a through channel along the direction of the central axis of the coil, a shaft sleeve is arranged in the through channel, the top end of the shaft sleeve sequentially penetrates out of the magnet, the electromagnetic core sealing plate and the top surface of the shell, the shaft sleeve moves back and forth in the shell along the central axis direction of the coil, the outer side of the shaft sleeve is sleeved with a return spring, the top end of the shaft sleeve is provided with a shaft shoulder, the top end of the return spring is abutted against the bottom side of the shaft shoulder, the bottom end of the reset spring is abutted against the top side of the electromagnetic core seal plate, the top end of the shaft sleeve is connected with a clutch support plate, and a clutch pin is clamped in the clutch supporting plate, and when the shaft sleeve moves upwards to the tail end of the stroke, the clutch pin penetrates through the vertical groove and is inserted into the clamping groove.

The utility model provides a rear-mounted drive clutch lock, the front panel is installed in the front side of the door, namely outdoor one side, the rear panel is installed in the rear side of the door, namely indoor one side, press the front handle downwards, can make the front fixing base rotate, the front fixing base drives the front linkage rod on the left side upwards, the front linkage rod on the right side downwards, thereby drive the front converter head to rotate around the middle part, the front converter head drives the rear converter head to rotate through the second square bar, similarly, the rear converter head drives the rear linkage rod on the left side upwards, the rear linkage rod on the right side downwards, make the rear fixing base rotate, the clutch device controlling the clutch pin to move up and down is installed on the rear panel, when the clutch device is assembled, the coil can be fixed in the electromagnetic fixing frame first, then the magnet is fixed on the top of the coil, then the opening of the electromagnetic fixing frame is connected and riveted by utilizing the electromagnetic core closing, finally, the assembled electromagnetic fixing frame is fixed in the cavity, a reset spring is sleeved outside the shaft sleeve from the bottom end of the shaft sleeve to the top, the reset spring is inserted into a through channel of the coil along the central axis of the coil, the shaft sleeve can move back and forth in the through channel, when the coil is electrified with forward current, the coil generates magnetic field action and is in the same direction as the magnetic field in the middle of the magnet, so that the shaft sleeve moves towards the inside of the cavity, the reset spring is compressed, the shaft sleeve drives the clutch supporting plate to move downwards, when the coil is electrified with reverse current, the coil generates magnetic field action and is in the reverse direction of the magnetic field in the middle of the magnet, the compressed reset spring is restored to the original state, the elastic force of the reset spring enables the shaft sleeve to move away from the inside of the cavity, the shaft sleeve drives the clutch supporting plate to move upwards, the clutch supporting plate drives, the separation and reunion round pin passes vertical groove and inserts in the draw-in groove, when making the after fixing base rotate, can drive rotatory sleeve and rotate, rotatory sleeve drives and inserts its inside first square strip and rotates, thereby realize unblanking the lock core of being connected with first square strip transmission, the direction according to coil current is different, the separation and reunion round pin also can downstream, be in idle running state when making pushing down the front handle, can't drive rotatory sleeve when the after fixing base rotates, can't unblank, consequently, the utility model discloses an it sets up in the rear panel with the clutch, has effectively strengthened the security of tool to lock, and after the front panel is destroyed, also can not the direct control clutch activity, make the tool to lock open, and the utility model discloses a clutch does not adopt motor drive, for non-contact transmission, and life is longer, and the performance is more stable.

As a further improvement of the above technical solution, a first square hole is provided at the rear side of the front conversion head, a second square hole is provided at the front side of the rear conversion head, one end of the first square bar is connected with the first square hole in a matching manner, and the other end of the second square bar is connected with the second square hole in a matching manner.

As a further improvement of the technical scheme, a linkage block is arranged on the right side of the limiting ring, and the bottom surface of the linkage block is abutted against the right end surface of the limiting strip.

As a further improvement of the technical scheme, the position of the top side of the bottom surface of the electromagnetic fixing frame, which is right opposite to the shaft sleeve, is provided with an absorption assisting column, and the top surface of the absorption assisting column is provided with a positioning groove matched with the bottom end of the shaft sleeve in shape.

As a further improvement of the technical scheme, the bottom end of the shaft sleeve is conical.

As a further improvement of the above technical solution, the shaft sleeve is sequentially provided with a first hollow channel and a second hollow channel from top to bottom along a central axis direction thereof, the first hollow channel and the second hollow channel are communicated with each other, an inner diameter of the first hollow channel is greater than an inner diameter of the second hollow channel, a shaft cover is fixedly connected to a top end of the first hollow channel, a shaft core is arranged in the first hollow channel, a limiting section is arranged on an outer wall of a top portion of the shaft core, an outer diameter of the limiting section is greater than an inner diameter of the second hollow channel, a bottom end of the shaft core sequentially penetrates through bottom surfaces of the second hollow channel, the suction assisting column and the electromagnetic fixing frame, a buffer spring is sleeved on a top end of the shaft core, a top end of the buffer spring abuts against a bottom surface of the shaft cover, and a bottom end of the buffer spring abuts against a top surface of the limiting section.

As a further improvement of the above technical solution, both sides walls of the cavity are provided with slideways, the slideways are parallel to each other with the central axis of the shaft sleeve, the clutch support plate comprises two slide bars respectively arranged in the slideways, two connecting rods are connected between the bottoms of the slide bars, the connecting rods are arranged below the shaft core, two limiting rods are connected between the top ends of the slide bars, the top end of the shaft sleeve is connected to the bottom side of the limiting rods, the limiting rods are arc-shaped, the arc centers of the limiting rods are on the central axis of the rotary sleeve, and the arc opening orientation of the limiting rods deviates from one side of the shaft sleeve.

As a further improvement of the technical scheme, an arc-shaped channel is arranged in the limiting rod along the arc length direction of the limiting rod, and an insertion block is arranged at the bottom end of the clutch pin and inserted into the arc-shaped channel.

As a further improvement of the above technical solution, a front panel is disposed between the front panel and the front handle, a left side plate is disposed on the left side of the front panel, a right side plate is disposed on the right side of the front panel, the left side plate is disposed on the left side of the front panel, and the right side plate is disposed on the right side of the front panel.

As a further improvement of the technical scheme, the front panel, the left side panel and the right side panel are all made of carbon steel.

The beneficial effect of adopting the further scheme is that: the safety of tool to lock use has further been improved, is difficult to directly destroy the front panel, destroys the lock core thereby unblank to can realize keeping opening or the closed state of clutch under the not circular telegram condition, the consumption is lower.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a first axis view of the present invention.

Fig. 2 is a second axis schematic view of the present invention.

Fig. 3 is a schematic view of the internal structure of the clutch device of the present invention.

In the figure: 1-front panel, 2-rear panel, 3-front handle, 4-front fixed seat, 5-front conversion head, 6-front linkage rod, 7-rear handle, 8-rear fixed seat, 9-rear conversion head, 10-rotary sleeve, 11-limit strip, 12-first square strip, 13-limit ring, 14-clamping groove, 15-second square strip, 16-rear linkage rod, 17-linkage block, 18-clutch pin, 19-shell, 20-electromagnetic fixed frame, 21-coil, 22-electromagnetic core closing plate, 23-magnet, 24-shaft sleeve, 25-reset spring, 26-shaft shoulder, 27-adsorption-assisting column, 28-positioning groove, 29-slide rod, 30-connecting rod, 31-limit rod, 32-shaft core closing plate, 33-buffer spring, 34-front panel, 35-left side panel and 36-right side panel.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, 2 and 3, a rear-mounted driving clutch lock comprises a front panel 1 and a rear panel 2, wherein the front side of the front panel 1 is connected with a front handle 3 through a bearing, the top of the rear side of the front panel 1 is provided with a front fixing seat 4, the bottom of the rear side of the front panel 1 is provided with a front conversion head 5, the front handle 3 is rotatably connected with the front fixing seat 4, the left side and the right side of the front fixing seat 4 are both hinged with a front linkage rod 6, the middle part of the front conversion head 5 is rotatably connected with the front panel 1, the bottom ends of the two front linkage rods 6 are respectively hinged with the left end and the right end of the front conversion head 5, the rear side of the rear panel 2 is connected with a rear handle 7 through a bearing, the top of the front side of the rear panel 2 is provided with a rear fixing seat 8, the bottom of the rear side of the rear panel 2 is provided with a rear conversion head 9, and the rear handle 7, a rotating sleeve 10 and a limiting strip 11 are arranged on the front side of the rear fixing seat 8, a first square strip 12 is inserted into the rotating sleeve 10 along the length direction of the rotating sleeve, a limiting ring 13 is arranged on the outer side wall of the rotating sleeve 10, clamping grooves 14 are arranged on the top surface and the bottom surface of the limiting ring 13, vertical grooves are arranged at the positions of the limiting strip 11 corresponding to the clamping grooves 14 on the bottom surface of the limiting ring 13, rear interlocking rods 16 are hinged to the left side and the right side of the rear fixing seat 8, the middle part of the rear conversion head 9 is rotatably connected with the rear panel 2, the bottom ends of the two rear interlocking rods 16 are respectively hinged to the left end and the right end of the rear conversion head 9, the front conversion head 5 is in transmission connection with the rear conversion head 9 through a second square strip 15, a clutch device is arranged on the front side of the rear panel 2 and arranged below the rear fixing seat 8, the clutch device comprises a shell 19, a cavity is arranged in the shell 19, an electromagnetic fixing frame 20 is fixedly connected to the inner wall of the cavity, an opening is formed in the top of the electromagnetic fixing frame 20, a coil 21 is arranged in the electromagnetic fixing frame 20, an electromagnetic core sealing plate 22 is fixedly arranged at the opening, a magnet 23 is arranged between the electromagnetic core sealing plate 22 and the coil 21, a through passage is formed in the middle of the coil 21 along the central axis direction of the coil 21, a shaft sleeve 24 is arranged in the through passage, the top end of the shaft sleeve 24 sequentially penetrates out of the top surfaces of the magnet 23, the electromagnetic core sealing plate 22 and the shell 19, the shaft sleeve 24 moves back and forth in the shell 19 along the central axis direction of the coil 21, a reset spring 25 is sleeved outside the shaft sleeve 24, a shaft shoulder 26 is arranged at the top end of the shaft sleeve 24, and the top end of the, the bottom end of the return spring 25 abuts against the top side of the electromagnetic core closing plate 22, the top end of the shaft sleeve 24 is connected with a clutch support plate, a clutch pin 18 is clamped in the clutch support plate, and when the shaft sleeve 24 moves upwards to the stroke end, the clutch pin 18 penetrates through the vertical groove and is inserted into the clamping groove 14.

From the above, the present invention provides a rear-mounted clutch lock, wherein a front panel 1 is installed on the front side of a door, i.e. the outdoor side, a rear panel 2 is installed on the rear side of the door, i.e. the indoor side, a front handle 3 is pressed downward to rotate a front fixing seat 4, the front fixing seat 4 drives a front linkage rod 6 on the left side upward, the front linkage rod 6 on the right side downward to drive a front converter head 5 to rotate around the middle portion thereof, the front converter head 5 drives a rear converter head 9 to rotate through a second square bar 15, similarly, the rear converter head 9 drives a rear linkage rod 16 on the left side upward, a rear linkage rod 16 on the right side downward to rotate a rear fixing seat 8, a clutch device for controlling the up-and-down movement of a clutch pin 18 is installed on the rear panel 2, when the clutch device is assembled, a coil 21 can be fixed in an electromagnetic fixing frame 20 first, a magnet 23 is fixed on the top of the coil 21, then, an opening of the electromagnetic fixing frame 20 is connected, the magnet 23 is compacted on the top of the coil 21, finally, the assembled electromagnetic fixing frame 20 is fixed in the cavity, the return spring 25 is sleeved from the bottom end of the shaft sleeve 24 to the outer side of the shaft sleeve 24 from bottom to top, the return spring 25 is inserted into the through channel of the coil 21 along the central axis of the coil 21, the shaft sleeve 24 can move back and forth in the through channel, the electromagnetic force generated by the coil 21 is greater than the magnetic force generated by the magnet 23, the magnetic force generated by the magnet 23 is greater than the elastic force generated by the return spring 25, the resultant force of the magnetic force of the magnet 21 and the elastic force of the return spring 25 is less than the electromagnetic force generated by the coil 21, when the coil 21 is electrified with forward current, the coil 21 generates magnetic field action and is in the same direction as the magnetic field in the middle of the magnet 23, so that the shaft sleeve 24 moves towards the inside of the cavity, the return spring 25 is, the coil 21 generates a magnetic field action, the magnetic field is opposite to that of the middle part of the magnet 23, the compressed reset spring 25 is restored to the original state, the elastic force of the reset spring enables the shaft sleeve 24 to move away from the inner part of the cavity, the shaft sleeve 24 drives the clutch supporting plate to move upwards, the clutch supporting plate drives the clutch pin 18 clamped in the clutch supporting plate to move upwards, when the shaft sleeve 24 drives the clutch supporting plate to move upwards to the tail end of the stroke, the clutch pin 18 penetrates through the vertical groove and is inserted into the clamping groove 14, when the rear fixing seat 8 rotates, the rotary sleeve 10 can be driven to rotate, the rotary sleeve 10 drives the first square bar 12 inserted into the rotary sleeve to rotate, so that the lock cylinder in transmission connection with the first square bar 12 is unlocked, according to different directions of current of the coil 21, the clutch pin 18 can also move downwards, so that the front handle 3 is in an idle, unable unblanking, consequently, the utility model discloses in placing rear panel 2 with clutch device, effectively strengthened the security of tool to lock, current panel 1 is destroyed the back, also can not the direct control clutch activity, makes the tool to lock open, and the utility model discloses a clutch does not adopt motor drive, and for non-contact transmission, life is longer, and the performance is more stable.

As a preferred embodiment, a first square hole is disposed at the rear side of the front converter head 5, a second square hole is disposed at the front side of the rear converter head 9, one end of the first square bar 12 is matched and connected with the first square hole, the other end of the second square bar 15 is matched and connected with the second square hole, and the first square hole and the second square hole, which are matched and connected with the second square bar 15, are disposed at the rear side of the front converter head 5 and the front side of the rear converter head 9, respectively, so that the front converter head 5 can directly drive the rear converter head 9 to rotate through the second square bar 15.

Further as a preferred embodiment, a linkage block 17 is arranged on the right side of the limit ring 13, the bottom surface of the linkage block 17 abuts against the right end surface of the limit strip 11, when the clutch pin 18 is not inserted into the slot 14, the rear handle 7 is rotated upwards to drive the rear fixing seat 8 to rotate, the limit strip 11 drives the linkage block 17 to rotate, the rotating sleeve 10 can be rotated, and at this time, the first square strip 12 can be rotated reversely to control the lock body in transmission connection with the lock body, so that the locking function is realized.

Further as a preferred embodiment, the top side of the bottom surface of the electromagnetic fixing frame 20 is provided with an attraction assisting column 27 at a position right opposite to the shaft sleeve 24, the top surface of the attraction assisting column 27 is provided with a positioning groove 28 matched with the bottom end shape of the shaft sleeve 24, when the shaft sleeve 24 moves towards the inside of the cavity, the shaft sleeve 24 is inserted into the positioning groove 28 of the attraction assisting column 27, the attraction assisting column 27 can fix the bottom of the shaft sleeve 24, and the problem that the bottom of the shaft sleeve 24 shakes when moving towards the inside of the cavity to cause inaccurate positioning of the clutch support plate is avoided, in addition, the shaft sleeve 24 also plays a magnetic transmission role for the magnetism of the magnet 23, after the shaft sleeve 24 is inserted into the attraction assisting column 27, the shaft sleeve 24 can generate magnetic connection with the attraction assisting column 27, the magnetic force can overcome the spring force of the return spring 25 which needs to return to the original state after being compressed, so that, does not need to be maintained by electrifying, and reduces the energy consumption.

Further, as a preferred embodiment, the bottom end of the shaft sleeve 24 is conical, the shape of the positioning slot 28 is matched with the shape of the bottom end of the shaft sleeve 24, and the conical shape can play a guiding role, so that the shaft sleeve 24 can be inserted into the positioning slot 28 more smoothly.

As a preferred embodiment, the shaft sleeve 24 is sequentially provided with a first hollow channel and a second hollow channel from top to bottom along a central axis direction thereof, the first hollow channel and the second hollow channel are communicated with each other, an inner diameter of the first hollow channel is larger than an inner diameter of the second hollow channel, a shaft cover is fixedly connected to a top end of the first hollow channel, a shaft core 32 is arranged in the first hollow channel, a limiting section is arranged on an outer wall of a top portion of the shaft core 32, an outer diameter of the limiting section is larger than an inner diameter of the second hollow channel, a bottom end of the shaft core 32 sequentially penetrates through the second hollow channel, the absorption-assisting column 27 and a bottom surface of the electromagnetic fixing frame 20, a buffer spring 33 is sleeved on a top end of the shaft core 32, a top end of the buffer spring 33 abuts against a bottom surface of the shaft cover, a bottom end of the buffer spring 33 abuts against a top surface of the limiting section, the axle core 32 can improve the magnetic flux of magnet 23 and coil 21, improve the magnetic conduction effect of axle sleeve 24, make axle sleeve 24 and help inhaling the magnetism between the post 27 and be connected more stably, when axle sleeve 24 is to cavity internal motion, axle sleeve 24 can be fast toward the direction motion of helping inhaling post 27, axle core 32 follows axle sleeve 24 and descends the magnetic flux that can make in first hollow passage and the second hollow passage and change, make the downstream of axle core 32 obstructed, axle core 32 can compress buffer spring 33 this moment, elasticity through buffer spring 33, make axle core 32 slowly insert help inhaling inside the post 27, and wear out the bottom surface of the fixed frame 20 of electromagnetism, it is more steady during whole operation.

Further as a preferred embodiment, both side walls of the cavity are provided with slide ways, the slide ways are parallel to the central axis of the shaft sleeve 24, the clutch support plate comprises slide bars 29 respectively arranged in the two slide ways, a connecting rod 30 is connected between the bottom ends of the two slide bars 29, the connecting rod 30 is arranged below the shaft core 32, a limit rod 31 is connected between the top ends of the two slide bars 29, the top end of the shaft sleeve 24 is connected to the bottom side of the limit rod 31, the limit rod 31 is arc-shaped, the arc center of the limit rod 31 is on the central axis of the rotary sleeve 10, the arc opening of the limit rod 31 faces away from one side of the shaft sleeve 24, because the shaft sleeve 24 can drive the limit rod 31 to move up and down, the slide bars 29 can slide in the slide ways of the cavity, and the slide bars 29 can make the motion of the limit rod 31 more stable, preventing it from rotating about the hub 24.

Further as a preferred embodiment, an arc-shaped channel is arranged in the limiting rod 31 along the arc length direction of the limiting rod 31, an insertion block is arranged at the bottom end of the clutch pin 18 and inserted into the arc-shaped channel, so that the clutch pin 18 can be conveniently clamped in the arc-shaped channel, when the rear fixing seat 8 rotates, the clutch pin 18 moves in the arc-shaped channel, and the clutch support plate limits the movement position of the clutch pin 18.

Further as preferred embodiment, front panel 1 with be provided with positive panel 34 between the preceding handle 3, the left side of positive panel 34 is provided with left side board 35, the right side of positive panel 34 is provided with right side board 36, left side board 35 set up in the left side of front panel 1, right side board 36 set up in the right side of front panel 1, when needs destroy to front panel 1 by force, through the protection of positive panel 34, left side board 35, right side board 36, can improve the degree of difficulty of destruction, better make the protection to the lock core.

Further as a preferred embodiment, the front panel 34, the left side panel 35, and the right side panel 36 are made of carbon steel, the carbon steel can absorb magnetism and weaken a magnetic field, preferably, the carbon steel can be hardened carbon steel, and the front panel 34, the left side panel 35, and the right side panel 36 can be an integral structure and are formed by integral bending.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a rearmounted drive separation and reunion lock which characterized in that: the front side of the front panel is connected with a front handle through a bearing, the top of the rear side of the front panel is provided with a front fixed seat, the bottom of the rear side of the front panel is provided with a front conversion head, the front handle is rotationally connected with the front fixed seat, the left side and the right side of the front fixed seat are both hinged with a front linkage rod, the middle part of the front conversion head is rotationally connected with the front panel, the bottom ends of the two front linkage rods are respectively hinged with the left end and the right end of the front conversion head, the rear side of the rear panel is connected with a rear handle through a bearing, the top of the front side of the rear panel is provided with a rear fixed seat, the bottom of the rear side of the rear panel is provided with a rear conversion head, the rear handle is rotationally connected with the rear fixed seat, the front side of the rear fixed seat is provided with a rotary sleeve and a limit strip, and a first square strip is inserted into the rotary sleeve, the outer side wall of the rotating sleeve is provided with a limiting ring, the top surface and the bottom surface of the limiting ring are both provided with clamping grooves, the limiting strips are provided with vertical grooves corresponding to the clamping grooves on the bottom surface of the limiting ring, the left side and the right side of the rear fixing seat are both hinged with rear linkage rods, the middle part of the rear conversion head is rotatably connected with the rear panel, the bottom ends of the two rear linkage rods are respectively hinged with the left end and the right end of the rear conversion head, the front conversion head is in transmission connection with the rear conversion head through a second square strip, the front side of the rear panel is provided with a clutch device, the clutch device is arranged below the rear fixing seat and comprises a shell, a cavity is arranged in the shell, the inner wall of the cavity is fixedly connected with an electromagnetic fixing frame, the top of the electromagnetic fixing frame is provided with an opening, and a coil, an electromagnetic core sealing plate is fixedly arranged in the opening, a magnet is arranged between the electromagnetic core sealing plate and the coil, the middle part of the coil is provided with a through channel along the direction of the central axis of the coil, a shaft sleeve is arranged in the through channel, the top end of the shaft sleeve sequentially penetrates out of the magnet, the electromagnetic core sealing plate and the top surface of the shell, the shaft sleeve moves back and forth in the shell along the central axis direction of the coil, the outer side of the shaft sleeve is sleeved with a return spring, the top end of the shaft sleeve is provided with a shaft shoulder, the top end of the return spring is abutted against the bottom side of the shaft shoulder, the bottom end of the reset spring is abutted against the top side of the electromagnetic core seal plate, the top end of the shaft sleeve is connected with a clutch support plate, and a clutch pin is clamped in the clutch supporting plate, and when the shaft sleeve moves upwards to the tail end of the stroke, the clutch pin penetrates through the vertical groove and is inserted into the clamping groove.

2. A rear drive clutch lock according to claim 1, characterised in that: the rear side of the front conversion head is provided with a first square hole, the front side of the rear conversion head is provided with a second square hole, one end of the first square strip is matched and connected with the first square hole, and the other end of the second square strip is matched and connected with the second square hole.

3. A rear drive clutch lock according to claim 1, characterised in that: and the right side of the limiting ring is provided with a linkage block, and the bottom surface of the linkage block is abutted against the right end surface of the limiting strip.

4. A rear drive clutch lock according to claim 1, characterised in that: and the top side of the bottom surface of the electromagnetic fixing frame is provided with an absorption assisting column right opposite to the position of the shaft sleeve, and the top surface of the absorption assisting column is provided with a positioning groove matched with the bottom end of the shaft sleeve in shape.

5. A rear drive clutch lock according to claim 1, characterised in that: the bottom end of the shaft sleeve is conical.

6. A rear drive clutch lock according to claim 1, characterised in that: the shaft sleeve is provided with a first hollow channel and a second hollow channel from top to bottom in sequence along the central axis direction of the shaft sleeve, the first hollow channel is communicated with the second hollow channel, the inner diameter of the first hollow channel is larger than that of the second hollow channel, the top end of the first hollow channel is fixedly connected with a shaft cover, a shaft core is arranged in the first hollow channel, the top outer wall of the shaft core is provided with a limiting section, the outer diameter of the limiting section is larger than that of the second hollow channel, the bottom end of the shaft core penetrates through the second hollow channel, a suction assisting column and the bottom surface of an electromagnetic fixing frame in sequence, the top end of the shaft core is sleeved with a buffer spring, the top end of the buffer spring is abutted to the bottom surface of the shaft cover, and the bottom end of the buffer spring is abutted to the top surface of the limiting section.

7. A rear drive clutch lock according to claim 6 in which: the both sides wall of cavity all is provided with the slide, the slide with the axis of axle sleeve is parallel to each other, the separation and reunion layer board is including setting up respectively in two slide bar in the slide, two be connected with the connecting rod between the bottom of slide bar, the connecting rod set up in the below of axle core, two be connected with the gag lever post between the top of slide bar, the top of axle sleeve connect in the bottom side of gag lever post, the gag lever post is circular-arcly, the arc center of gag lever post is in on the rotatory telescopic axis, the circular arc opening orientation of gag lever post deviates from axle sleeve one side.

8. A rear drive clutch lock according to claim 7 in which: the inner edge of the limiting rod is provided with an arc-shaped channel in the arc length direction of the limiting rod, the bottom end of the clutch pin is provided with an insertion block, and the insertion block is inserted into the arc-shaped channel.

9. A rear drive clutch lock according to claim 1, characterised in that: the front panel with be provided with positive panel between the preceding handle, the left side of positive panel is provided with the left side board, the right side of positive panel is provided with the right side board, the left side board set up in the left side of front panel, the right side board set up in the right side of front panel.

10. A rear drive clutch lock according to claim 9 in which: the front panel, the left side plate and the right side plate are all made of carbon steel.