Clutch module for door lock

Abstract

The utility model discloses a clutch module for a door lock. The clutch module comprises a rotating shaft assembly and a clutch assembly, the peach shifting assembly is rotatably arranged behind the rotating shaft assembly, and a limiting groove with a downward opening is formed in the lower side of the front end of the peach shifting assembly; the locking assembly comprises a U-shaped push plate and a clutch locking plate, the upper end of the clutch locking plate can be inserted into the limiting groove in an up-down moving mode, and the U-shaped push plate is connected with the lower end of the clutch locking plate and used for pushing the clutch locking plate to be inserted into or move away from the clamping groove of the rotating shaft assembly; the driving assembly is arranged below the locking assembly, the output end of the driving assembly is connected with the U-shaped push plate, and the change-over switch assembly is arranged below the locking assembly and abuts against or is in clearance fit with the U-shaped push plate. According to the clutch module, the requirements of different clients can be met, and meanwhile the abnormal opening risk caused by locking the clutch locking plate through vibration of the door handle is completely eradicated.

Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field especially relates to a clutch module for door lock. BACKGROUND

[0002] The existing handle door lock is directly driven by pressing down the handle or lifting the handle to drive the lock core to open the door and lock. The clutch structure is the core component in the electronic lock, however, the existing clutch structure has poor universality, cannot meet different requirements of customers, in addition, the clutch lock piece in the existing clutch structure will be locked when the handle is vibrated, causing abnormal opening risk, and the safety and reliability are not high. SUMMARY

[0003] The utility model aims at at least in a certain extent solve one of the problems existing in prior art related, for this purpose, the utility model provides a clutch module for door lock, can satisfy different customer requirements, at the same time, prevent the abnormal opening risk of the clutch lock piece by vibrating the door handle.

[0004] According to the clutch module for door lock provided in the above, the following technical scheme is adopted:

[0005] A clutch module for door lock, comprising: a rotating shaft assembly, a clamping groove is arranged on the upper and lower sides of the rear end of the rotating shaft assembly; a knob assembly is rotatably arranged behind the rotating shaft assembly, a limiting groove with a downward opening is arranged on the lower side of the front end of the knob assembly, and the limiting groove can be in communication with any clamping groove; a locking assembly, comprising a U-shaped push plate and a clutch lock piece, the upper end of the clutch lock piece is movably inserted into the limiting groove, the U-shaped push plate is movably arranged below the knob assembly and connected with the lower end of the clutch lock piece, and is used for pushing the clutch lock piece to be inserted into or moved away from the corresponding clamping groove; and a driving assembly and / or a switch assembly, the driving assembly is arranged below the locking assembly, the output end of the driving assembly is connected with the U-shaped push plate, and is used for driving the U-shaped push plate to move up and down, and the switch assembly is arranged below the locking assembly and abuts or gap fits with the U-shaped push plate, and is used for pushing the U-shaped push plate to move up and down.

[0006] In some embodiments, the switch assembly is arranged outside the left side or the right side of the driving assembly, and is detachably connected with the driving assembly.

[0007] In some embodiments, a positioning groove opening towards the driving assembly is arranged at one end of the switch assembly close to the driving assembly, and one end of the driving assembly close to the switch assembly is inserted into the positioning groove.

[0008] In some embodiments, the U-shaped push plate is provided with a connecting portion extending towards the driving assembly, the connecting portion is connected with the output end of the driving assembly; and / or the change-over switch assembly is provided with a concave wheel slide opening towards the U-shaped push plate, the U-shaped push plate is provided with a top opening portion towards the change-over switch assembly at a position corresponding to the concave wheel slide, the top opening portion is in abutting connection or clearance fit with the change-over switch assembly.

[0009] In some embodiments, the U-shaped push plate is provided with an arc-shaped slot, and the clamping portion is arranged at the lower end of the clutching and locking sheet and inserted into the arc-shaped slot.

[0010] In some embodiments, the U-shaped push plate is provided with an avoiding gap above the clamping portion at the lower end of the clutching and locking sheet, and the upper slot wall of the arc-shaped slot is inserted into the avoiding gap.

[0011] In some embodiments, a reversing screw is further included, and the left and right ends of the knob assembly are respectively provided with clamping positions, the reversing screw is installed on the rotating shaft assembly, and the reversing screw is movable between the two clamping positions.

[0012] In some embodiments, the knob assembly includes a clutching rotor and a square rod, the clutching rotor is rotatably arranged at the rear of the rotating shaft assembly, the limiting slot is arranged at the lower end of the clutching rotor, and the square rod is installed on the clutching rotor and used for connecting with the lock body.

[0013] In some embodiments, the knob assembly is provided with a containing slot opening towards the rotating shaft assembly; the rotating shaft assembly includes a handle head, a rotating sheet and an elastic member, the rear end of the handle head is rotatably arranged in the containing slot, the rotating sheet is sleeved outside the handle head and connected with the handle head, the clamping slots are respectively arranged at the upper and lower ends of the rotating sheet, and the elastic member is sleeved outside the handle head and in abutting connection with the rotating sheet, so as to make the rotating sheet always have a tendency to move towards the knob assembly.

[0014] In some embodiments, a housing assembly is further included, a first opening is arranged on the front surface of the housing assembly, and a second opening is arranged on the back surface of the housing assembly at a position corresponding to the first opening; the rotating shaft assembly and the knob assembly are rotatably arranged in the housing assembly, the front end of the rotating shaft assembly extends out of the housing assembly through the first opening, and the rear end of the knob assembly extends out of the housing assembly through the second opening; the locking assembly, the driving assembly and the change-over switch assembly are installed in the housing assembly, a lock hole is arranged at a position of the housing assembly corresponding to the change-over switch assembly, and the cam of the change-over switch assembly is inserted into the lock hole.

[0015] Compared with the prior art, the utility model have at least including following beneficial effect:

[0016] The utility model discloses a clutch module, one end of the clutch lock piece is with U -shaped push plate, the other end can be inserted in the limit groove of the peach -picking subassembly and moves up and down, and drive subassembly 4 and / or change -over switch subassembly 5 can be inserted or remove the clamping groove of the rotating shaft subassembly by U -shaped push plate and promote the clutch lock piece, and high versatility has different unlocking mode, can satisfy different customer requirement, because the clutch lock piece is connected with the limit groove of the peach -picking subassembly all the time, and the abnormal opening risk of locking the clutch lock piece through the vibration door handle is prevented, and the use safety and reliability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the explosion drawing of the clutch module in the utility model embodiment 1;

[0018] Figure 2 It is the structure schematic diagram of the clutch module after the cover plate is hidden in the utility model embodiment 1;

[0019] Figure 3 It is the section of the clutch module in the utility model embodiment 1 Figure 1 ;

[0020] Figure 4 It is the explosion drawing after the shell subassembly is hidden in the utility model embodiment 1;

[0021] Figure 5 It is the structure schematic diagram of the rotating shaft subassembly in the utility model embodiment 1;

[0022] Figure 6 It is the section of the clutch module in the utility model embodiment 1 Figure 2 ;

[0023] Figure 7 It is the structure schematic diagram of the clutch module after the cover plate is hidden in the utility model embodiment 1.

[0024] In the drawing: 1-rotating shaft subassembly, 11-handle head, 12-rotating piece, 121-clamping groove, 122-fixing hole, 13-elastic member;2-peach -picking subassembly, 21-clutch rotor, 211-limit groove, 212-receiving groove, 213-detent;31-U -shaped push plate, 311-connection part, 312-top -off part, 313-arc groove, 32-clutch lock piece, 321-clamping part, 322-avoiding notch;4-drive subassembly;5-change -over switch subassembly, 51-fixed box, 511-positioning groove, 512-cam slide, 52-cam, 53-cam;6-reversing screw;71-housing, 711-first opening, 712-lock hole, 72-cover plate, 721-second opening, 73-fastener. DETAILED DESCRIPTION

[0025] The following examples are used to illustrate the present application, but the present application is not limited to these examples. Modifications to the specific embodiments of the present application or equivalent replacements to some technical features without departing from the spirit of the present application should be covered in the technical solution range claimed by the present application.

[0026] Example 1

[0027] Reference Figures 1-7 The present embodiment provides a clutch module for a door lock, comprising a shell assembly (not shown in the figure), a rotating shaft assembly 1, a knob assembly and a locking assembly. A first opening hole 711 is formed on the front face of the shell assembly, and a second opening hole 721 is formed on the back face of the shell assembly corresponding to the position of the first opening hole 711. The rotating shaft assembly 1 is rotatably arranged in the shell assembly, and the front end of the rotating shaft assembly 1 is rotatably horizontally arranged through the first opening hole 711 to extend out of the shell assembly and is used for connecting a door handle. The upper and lower sides of the rear end of the rotating shaft assembly 1 are respectively provided with clamping grooves 121, and the rotating door handle can drive the rotating shaft assembly to rotate. The knob assembly 2 is rotatably arranged in the shell assembly and located behind the rotating shaft assembly 1. The rear end of the knob assembly 2 is rotatably horizontally arranged through the second opening hole 721 to extend out of the shell assembly and is used for connecting a lock body. The lower side of the front end of the knob assembly 2 is provided with a downwardly open limiting groove 211, which can be in communication with any clamping groove 121.

[0028] The locking assembly is movably arranged in the shell assembly, and the locking assembly comprises a U-shaped push plate 31 and a clutch lock piece 32. The upper end of the clutch lock piece 32 is movably arranged in the limiting groove 211, and the U-shaped push plate 31 is movably arranged below the knob assembly 2 and connected with the lower end of the clutch lock piece 32, which is used for pushing the clutch lock piece 32 to be inserted into or moved away from the corresponding clamping groove 121. Thus, when the U-shaped push plate 31 pushes the clutch lock piece 32 to be inserted into the corresponding clamping groove 121, the clutch lock piece 32 connects the rotating shaft assembly 1 and the knob assembly into one body. At this time, rotating the door handle can sequentially open or close the lock body through the rotating shaft assembly 1 and the knob assembly, realizing opening or closing the door. Conversely, when the U-shaped push plate 31 pushes the clutch lock piece 32 to move away from the corresponding clamping groove 121, the rotating shaft assembly 1 and the knob assembly are separated, and the door handle returns to the free state. At this time, the door lock cannot be opened. Since the clutch lock piece 32 is always connected with the limiting groove 211 of the knob assembly 2, the abnormal opening risk of the clutch lock piece through the vibration of the door handle is eliminated, and the use safety and reliability are improved.

[0029] Further, the clutch module further comprises a driving assembly 4 and / or a change-over switch assembly 5, the driving assembly 4 is installed in the housing assembly and located below the locking assembly, the output end of the driving assembly 4 is connected with the U-shaped push plate 31, for driving the U-shaped push plate 31 to move up and down, so that the U-shaped push plate 31 pushes the clutch locking piece 32 to be inserted into the corresponding clamping groove 121 or moved away from the corresponding clamping groove 121. The change-over switch assembly 5 is installed in the housing assembly and located below the locking assembly, the change-over switch assembly 5 is in abutment or clearance fit with the U-shaped push plate 31, for pushing the U-shaped push plate 31 to move up and down, so that the U-shaped push plate 31 pushes the clutch locking piece 32 to be inserted into the corresponding clamping groove 121 or moved away from the corresponding clamping groove 121, a lock hole 712 is arranged at the position of the change-over switch assembly 5 at the bottom of the housing assembly, and the cam 52 of the change-over switch assembly 5 is inserted into the lock hole 712. It can be seen that the clutch module has different unlocking modes of fingerprint / cryptogram instruction opening and key mechanical opening, which can meet different customer requirements.

[0030] Reference Figures 1-4 Specifically, the change-over switch assembly 5 is arranged outside the left side or the right side of the driving assembly 4, and is detachably connected with the driving assembly 4, so that the change-over switch assembly 5 and the driving assembly 4 are independent of each other, which facilitates the change-over switch assembly 5 and / or the driving assembly 4 to be equipped according to customer requirements, and improves the versatility of the clutch module product. In the embodiment, a positioning groove 511 opening towards the driving assembly 4 is arranged at one end of the change-over switch assembly 5 close to the driving assembly 4, and one end of the driving assembly 4 close to the change-over switch assembly 5 is inserted into the positioning groove 511, so as to realize the quick positioning and installation of the change-over switch assembly 5 outside the driving assembly 4.

[0031] Reference Figures 1-4 Specifically, the U-shaped push plate 31 is provided with a connecting portion 311 extending towards the driving assembly 4, the connecting portion 311 is connected with the output end of the driving assembly 4, so that the driving assembly 4 can reliably drive the U-shaped push plate 31; and / or the change-over switch assembly 5 is provided with a recessed wheel slide 512 opening towards the U-shaped push plate 31, the U-shaped push plate 31 is provided with a top opening portion 312 at a position corresponding to the recessed wheel slide 512, the top opening portion 312 is in abutment or clearance fit with the change-over switch assembly 5, in the embodiment, the top opening portion 312 is provided with at least two clamping grooves opening towards the change-over switch assembly 5, so as to be connected with the lock cylinder top rod of the change-over switch assembly 5 or the top opening type key.

[0032] Reference Figures 2-4, the U-shaped push plate 31 is provided with an arc-shaped slot 313, and the clamping portion 321 is arranged at the lower end of the clutch lock piece 32 and is inserted into the arc-shaped slot 313, so that the U-shaped push plate 31 can be reliably connected to the clutch lock piece 32. In addition, the avoiding gap 322 is arranged above the clamping portion 321 at the lower end of the clutch lock piece 32, and the upper slot wall of the arc-shaped slot 313 is inserted into the avoiding gap 322, so as to form double positioning and ensure that the connection between the U-shaped push plate 31 and the clutch lock piece 32 is more stable and reliable.

[0033] Reference Figures 1-5 Further, the clutch module further comprises a reversing screw 6, and the left and right ends of the knob assembly 2 are respectively provided with clamping portions 213. The reversing screw 6 is arranged in the shell assembly and is installed on the fixed hole 122 of the rotating shaft assembly 1, and the reversing screw 6 can move between the two clamping portions 213.

[0034] Reference Figures 1-6 In the embodiment, the knob assembly 2 comprises a clutch rotor 21 and a square rod (not shown in the figure), and the clutch rotor 21 is rotatably arranged at the rear of the rotating shaft assembly 1. In the embodiment, the front end of the clutch rotor 21 is arranged in the shell assembly, the rear end is rotatably arranged through the second opening hole 721 of the shell assembly and extends out of the shell assembly, and a limiting slot 211 is arranged at the lower end of the clutch rotor 21. The square rod is arranged outside the shell assembly and is installed on the clutch rotor 21, and is used to be connected with the lock body.

[0035] Reference Figures 3-6 The knob assembly 2 is provided with a containing slot 212 opening towards the rotating shaft assembly 1. The rotating shaft assembly 1 comprises a handle head 11, a rotating piece 12 and an elastic member 13. The rear end of the handle head 11 extends into the shell assembly through the first opening hole 711 of the shell assembly and is rotatably arranged in the containing slot 212 of the clutch rotor 21, and the front end of the handle head 11 is used to connect the door handle. The rotating piece 12 is rotatably arranged in the shell assembly, the rotating piece 12 is sleeved outside the handle head 11 and is connected and fixed with the handle head 11, so that the handle head 11 can drive the rotating piece 12 to rotate when the handle head 11 rotates, and the clamping slots 121 are arranged at the upper and lower ends of the rotating piece 12 respectively. The elastic member 13 is sleeved outside the handle head 11 and abuts against the rotating piece 12, and is used to make the rotating piece 12 always tend to move towards the knob assembly 2.

[0036] Reference Figures 3-6The switch assembly 5 includes a fixed box 51, a cam 52, a concave wheel 53 and a spring (not shown in the figure). The fixed box 51 is installed at a position corresponding to the lock hole 712 inside the housing assembly, and is provided with a concave wheel slide 512 arranged vertically and communicating with the lock hole 712. At least part of the cam 52 is rotatably arranged in the concave wheel slide 512 of the fixed box, and the lower end of the cam 52 extends into the lock hole 712. The concave wheel 53 is movably arranged in the concave wheel slide 512 and is in transmission connection with the cam 52. The spring is clamped between the concave wheel 53 and the U-shaped push plate 31, so that the concave wheel always has a tendency to move towards the cam.

[0037] When the key is mechanically opened (i.e. the rotating key is opened), the lock core rotating piece is inserted into the connecting position of the cam 52. When the key is rotated, the cam 52 is driven to rotate, and the cam 52 can drive the concave wheel 53 to move upward and push the spring, and the U-shaped push plate 31 drives the clutch lock piece 32 to move upward, so that the clutch lock piece 32 is connected with the rotating piece 12 of the rotating shaft assembly 1, and the door handle is rotated to open the door. Conversely, when the key is rotated, the switch assembly 5 is reset to return to the free state.

[0038] Reference Figures 1-6 The housing assembly includes a housing 71, a cover plate 72 and a plurality of fasteners 73. The cover plate 72 is detachably connected with the housing 71 through the plurality of fasteners 73. A first opening hole 711 is formed in the front of the housing 71 for the rotating shaft assembly 1 to pass through, and a lock hole 712 is formed in the bottom of the housing 71. A second opening hole 721 is formed in the cover plate 72 for the tumbler assembly 2 to pass through.

[0039] Embodiment 2

[0040] Reference Figure 7 The difference between this embodiment and embodiment 1 is that the switch assembly 5 is omitted, and the key is mechanically opened (i.e. the top opening type key is opened). At this time, the key structure of the door lock is a top opening type, and the lock core top rod is directly inserted into the lock hole 711 of the housing assembly and connected with the top opening part 312 on the U-shaped push plate 31. Then, when the key is rotated, the lock core top rod directly pushes the U-shaped push plate 31 upward, so that the clutch lock piece 32 is inserted into the clamping groove 121 of the rotating shaft assembly 1, thereby connecting the tumbler assembly with the rotating shaft assembly 1 through the clutch lock piece 32, and rotating the door handle to open the door. When the key is rotated, the U-shaped push plate 31 drives the clutch lock piece 32 to reset and return to the free state.

[0041] It can be seen that by omitting the switch assembly 5, the overall structure of the clutch module is simplified while realizing the opening and closing of the door lock, which is beneficial to reduce the cost and meet the needs of different customers.

[0042] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A clutch module for a door lock, characterized in that The utility model relates to a kind of rotating shaft assembly, including: Rotary shaft assembly (1), the upper and lower sides of the rear end of the rotary shaft assembly (1) are respectively provided with clamping slot (121); Peach component (2) is rotatably arranged in the rear of the rotary shaft assembly (1), and the lower side of the front end of the peach component (2) is provided with the downwardly open limiting slot (211), and the limiting slot (211) can be communicated with any clamping slot (121); Locking assembly, including U-shaped push plate (31) and clutch lock piece (32), the upper end of the clutch lock piece (32) is movably inserted in the limiting slot (211), the U-shaped push plate (31) is movably arranged below the peach component (2) and is connected with the lower end of the clutch lock piece (32), for pushing the clutch lock piece (32) to be inserted or removed from the corresponding clamping slot (121);And Drive assembly (4) and / or conversion switch assembly (5), the drive assembly (4) is arranged below the locking assembly, and the output end thereof is connected with the U-shaped push plate (31), for driving the U-shaped push plate (31) to move up and down, and the conversion switch assembly (5) is arranged below the locking assembly and is in abutment or gap cooperation with the U-shaped push plate (31), for pushing the U-shaped push plate (31) to move up and down.

2. The clutch module for a door lock according to claim 1, wherein The conversion switch assembly (5) is arranged outside the left side or the right side of the drive assembly (4), and is detachably connected with the drive assembly (4).

3. The clutch module for a door lock according to claim 2, wherein One end of the conversion switch assembly (5) close to the drive assembly (4) is provided with the positioning slot (511) opening towards the drive assembly (4), and one end of the drive assembly (4) close to the conversion switch assembly (5) is inserted into the positioning slot (511).

4. The clutch module for a door lock according to claim 1, wherein The U-shaped push plate (31) is provided with the connecting part (311) extending towards the drive assembly (4), and the connecting part (311) is connected with the output end of the drive assembly (4);And / or the conversion switch assembly (5) is provided with the recessed wheel slide (512) opening towards the U-shaped push plate (31), and the U-shaped push plate (31) is provided with the top opening part (312) extending towards the conversion switch assembly (5) at the position corresponding to the recessed wheel slide (512), and the top opening part (312) is in abutment or gap cooperation with the conversion switch assembly (5).

5. The clutch module for a door lock according to claim 1 or 4, wherein The U-shaped push plate (31) is provided with the arc-shaped slot (313), and the clamping part (321) is arranged at the lower end of the clutch lock piece (32) and is inserted into the arc-shaped slot (313).

6. A clutch module for a door lock according to claim 5, characterized in that The lower end of the clutch lock piece (32) is provided with the avoidance notch (322) above the clamping part (321), and the upper slot wall of the arc-shaped slot (313) is inserted into the avoidance notch (322).

7. The clutch module for a door lock according to claim 1, wherein Further including reversing screw (6), the left and right ends of the peach component (2) are respectively provided with clamping (213), the reversing screw (6) is installed on the rotary shaft assembly (1), and the reversing screw (6) can move between the two clamping (213).

8. The clutch module for a door lock according to claim 1 or 7, wherein The dialling assembly (2) comprises a clutch rotor (21) and a square rod, the clutch rotor (21) is rotatably arranged behind the rotating shaft assembly (1), the limiting groove (211) is arranged at the lower end of the clutch rotor (21), and the square rod is installed on the clutch rotor (21) and used for being connected with a lock body.

9. The clutch module for a door lock according to claim 1 or 7, wherein The dialling assembly (2) is provided with an accommodating groove (212) opening towards the rotating shaft assembly (1); the rotating shaft assembly (1) comprises a handle head (11), a rotating piece (12) and an elastic member (13), the rear end of the handle head (11) is rotatably arranged in the accommodating groove (212), the rotating piece (12) is sleeved outside the handle head (11) and connected with the handle head (11), the clamping grooves (121) are arranged at the upper and lower ends of the rotating piece (12) respectively, and the elastic member (13) is sleeved outside the handle head (11) and abuts against the rotating piece (12) and used for making the rotating piece (12) always move towards the dialling assembly (2).

10. The clutch module for a door lock according to claim 1, wherein Further comprising a shell assembly, a first opening (711) is arranged on the front surface of the shell assembly, and a second opening (721) is arranged on the back surface of the shell assembly and corresponds to the position of the first opening (711); The rotating shaft assembly (1) and the dialling assembly (2) are rotatably arranged in the shell assembly, the front end of the rotating shaft assembly (1) protrudes out of the shell assembly through the first opening (711), and the rear end of the dialling assembly (2) protrudes out of the shell assembly through the second opening (721); The locking assembly, the driving assembly (4) and the conversion switch assembly (5) are all installed in the shell assembly, the lock hole (712) is arranged at the bottom of the shell assembly and corresponds to the position of the conversion switch assembly (5), and the cam of the conversion switch assembly (5) is inserted into the lock hole (712).

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