Novel multifunctional lock body structure
By designing multi-function paddles and multi-function conversion pins in the door lock body, switching of lock body functions is achieved, solving the problems of single and low adaptability of existing lock body functions, and reducing warehousing and operation costs.
Patent Information
- Application Number
- CN202420898711.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The existing door lock body can only achieve a single function and cannot achieve function switching on the same lock body, resulting in low adaptability and high warehousing operation costs.
A new multifunctional lock structure is designed, including a lock housing, oblique tongue block, main tongue block, multifunctional paddle and multifunctional conversion pin. Through the removal or fixation of the multifunctional conversion pin in the multifunctional conversion hole or lock hole, the three functions of slow lock opening, fast lock slow opening, and fast lock fast opening are realized.
It realizes functional switching on the same lock body, has high adaptability and reduces warehousing and operation costs. Manufacturers only need to produce and stock one lock body.
Smart Images

Figure CN222595756U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locks, in particular to a novel multifunctional lock body structure. Background Art
[0002] Existing door locks mainly close the door by locking the oblique tongue, and the main tongue is required to lock the door. Existing door lock bodies can usually only realize one of the functions of slow lock and slow open, fast lock and slow open, and fast lock and fast open. Function switching cannot be realized on the same lock body. The door lock function is single and has low adaptability. In order to adapt to different usage environments and different user needs, manufacturers need to generate and store multiple types of locks, which increases the pressure of inventory types and high storage and operation costs. Utility Model Content
[0003] In view of the defects of the existing lock bodies, the technical problem to be solved by the utility model is to provide a new multifunctional lock body structure which can realize function switching on the same lock body, has high adaptability and appropriately reduces storage operation costs.
[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized by the following technical measures: a novel multifunctional lock body structure, including a lock body shell, an inclined tongue block, a main tongue block, an inclined tongue paddle, a handle paddle, a lock core paddle, a multifunctional paddle, and a multifunctional conversion pin,
[0005] The lock core paddle and the multifunctional paddle are fixed on the guide pin I, the guide pin I is fixed on the lock body shell, the lock core paddle and the oblique tongue paddle are provided with teeth that bite into each other, the multifunctional paddle is provided with a rotating push block and a multifunctional conversion hole, the handle paddle and the lock body shell are both provided with a locking hole, and the multifunctional conversion pin is fixed in the multifunctional conversion hole or the locking hole;
[0006] The oblique tongue block and the main tongue block are installed in the lock body housing, the oblique tongue block is connected to the oblique tongue rod and the oblique tongue paddle, and the oblique tongue paddle is transmission-connected to the oblique tongue rod and drives the oblique tongue block to retract into the lock body housing through the oblique tongue rod;
[0007] The main tongue block is connected to a main tongue connecting piece, and the multifunctional paddle is transmission-connected to the main tongue connecting piece and drives the main tongue block to extend or retract into the lock body housing through the main tongue connecting piece;
[0008] The handle rotating shaft is rotatably mounted on the lock body housing, and the oblique tongue paddle and the handle paddle are sleeved on the handle rotating shaft.
[0009] Furthermore, the oblique tongue paddle and the handle paddle are both provided with a cross-shaped handle shaft hole, the handle shaft is arranged in the cross-shaped handle shaft hole, and the oblique tongue paddle and the handle paddle are installed in a staggered manner, so that when the handle shaft rotates a certain angle in the clockwise and counterclockwise directions, only one paddle can be driven to rotate.
[0010] Furthermore, two handle paddle limit blocks are provided on the lock body shell.
[0011] Furthermore, the main tongue connecting piece is provided with two guide grooves I and II in different directions, the guide groove I is sleeved on the guide pin I, the guide groove II is sleeved on the guide pin II, and the guide pin II is fixed on the multifunctional paddle.
[0012] Furthermore, a guide arc groove is provided on the lock body shell.
[0013] Furthermore, the multifunctional paddle is connected with a torsion spring, a torsion spring hole is provided on the multifunctional paddle, a fixing pin is provided on the lock body shell, one end of the torsion spring is connected in the torsion spring hole, and the other end is sleeved on the fixing pin.
[0014] Compared with the prior art, the advantages of the utility model are: this is a new type of multifunctional lock body structure, which is provided with a multifunctional paddle and a multifunctional conversion pin. The three functions of slow locking and slow opening, fast locking and slow opening, and fast locking and fast opening can be switched by removing or fixing the multifunctional conversion pin in the multifunctional conversion hole or the locking hole. The structure is simple and can adapt to different usage environments and different user needs. Manufacturers only need to produce and stock one lock body, which is conducive to reducing warehousing and operating costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:
[0016] Figure 1 This is a schematic diagram of the internal structure of a novel multifunctional lock body structure described in the utility model;
[0017] Figure 2 A schematic diagram of a novel multifunctional lock structure without the handle paddle and the multifunctional paddle as described in the utility model
[0018] Figure 3 This is a structural diagram of a new multifunctional lock structure handle paddle, multifunctional paddle, and main tongue connecting piece described in the utility model.
[0019] Figure 4 It is a partial structural schematic diagram of a novel multifunctional lock body structure described in the utility model.
[0020] Explanation of the accompanying drawings: 1. lock body shell; 101. guide arc groove; 102. locking hole; 103. handle paddle limit block; 104. guide pin I; 2. oblique tongue block; 3. oblique tongue rod; 4. oblique tongue paddle; 401. tooth mouth; 5. handle paddle; 6. handle shaft; 7. lock core paddle; 8. multi-function paddle; 801. guide pin II; 802. multi-function conversion hole; 803. rotating push block; 804. torsion spring hole; 9. multi-function conversion pin; 10. main tongue block; 11. main tongue connecting plate; 1101. guide groove I; 1102. guide groove II; 1103. accommodating groove; 12. torsion spring; 13. fixing pin. DETAILED DESCRIPTION
[0021] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.
[0022] In the description of the present invention, it should be understood that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0023] Please refer to Figure 1-Figure 4The present embodiment provides a novel multifunctional lock structure, including a lock body housing 1, which is composed of a lock shell and a lock cover. A latch block 2, a main latch block 10, a latch paddle 4, a handle paddle 5, a lock core paddle 7, a multifunctional paddle 8, a multifunctional conversion pin 9, and a torsion spring 12 are installed in the lock body housing 1. The latch block 2 is connected with a latch rod 3 and a latch paddle 4. The latch rod 3 is provided with a latch spring. The latch paddle 4 is transmission-connected with the latch rod 3 and drives the latch block 2 to retract into the lock body housing 1 through the latch rod 3. Both the latch paddle 4 and the handle paddle 5 are provided with a cross-shaped handle shaft hole. The handle shaft 6 is rectangular and is connected to the paddle. The connecting part is provided with a chamfer, and the handle shaft 6 is arranged in the cross-shaped handle shaft hole. After the rectangular chamfer, there is a gap for left and right rotation in the cross-shaped shaft hole. The oblique tongue paddle 4 and the handle paddle 5 are installed in a staggered manner, respectively on both sides of the left and right rotation gap, so that when the handle shaft 6 rotates a certain angle in the clockwise and counterclockwise directions, only one paddle can be driven to rotate. The handle paddle 5 and the lock body shell 1 are provided with a locking hole 102; the main tongue block 10 is connected to the main tongue connecting piece 11, and the multifunctional paddle 8 is transmission-connected with the main tongue connecting piece 11 and drives the main tongue block 10 to extend or retract into the lock body shell 1 through the main tongue connecting piece 11. There are two guide grooves Ⅰ1101 and guide grooves Ⅱ1102 in different directions, the guide groove Ⅰ1101 is sleeved on the guide pin Ⅰ104, the guide pin Ⅰ104 is fixed on the lock body shell 1, the guide groove Ⅱ1102 is sleeved on the guide pin Ⅱ801, and the end of the guide groove Ⅱ1102 is provided with a receiving groove 1103, and the receiving groove 1103 and the guide groove Ⅱ1102 exist at a certain angle, and the guide pin Ⅱ801 is fixed on the multifunctional paddle 8, and the multifunctional paddle 8 is provided with a rotating push block 803, a multifunctional conversion hole 802, and a torsion spring hole 804; the lock core paddle 7 and the multifunctional paddle 8 are fixed on the guide pin Ⅰ104 and can be guided Pin Ⅰ104 rotates as a dot, and the lock core paddle 7 and the oblique tongue paddle 4 are provided with teeth 401 that mesh with each other; the multifunctional conversion pin 9 is detachably fixed in the multifunctional conversion hole 802 or the locking hole 102, and the lock body shell 1 is provided with a guide arc groove 101. When the multifunctional conversion pin 9 is fixed in the multifunctional conversion hole 802, it can move in the guide arc groove 101; a fixing pin 13 is provided on the lock body shell 1, and one end of the torsion spring 12 is provided with a hook and hooked in the torsion spring hole 804 of the multifunctional paddle 8, and the other end is sleeved on the fixing pin 13; two handle paddle limit blocks 103 are provided on the lock body shell 1 on both sides of the handle paddle 5.
[0024] According to the above arrangement, by removing or fixing the multifunctional conversion pin 9 in the multifunctional conversion hole 802 or the locking hole 102, the switching of the three functions of slow locking and slow opening, fast locking and slow opening, and fast locking and fast opening can be realized.
[0025] The multifunctional conversion pin 9 is fixed in the locking hole 102 to realize the slow locking and slow opening function: when closing the door, the inclined tongue block 2 is retracted into the lock body shell 1 under pressure and then reset. Since the multifunctional conversion pin 9 is fixed in the locking hole 102 to limit the rotation of the handle paddle 5, the main tongue block 10 cannot be controlled to extend or retract into the lock body shell 1 by the handle. The key needs to be inserted into the lock cylinder and drive the lock cylinder to rotate, thereby driving the multifunctional paddle 8 to rotate counterclockwise around the guide pin I 104, and the guide pin II 801 moves along the guide groove II 1102 and enters the receiving groove 1103, thereby pushing the main tongue connecting piece 11 so that the main tongue 10 can be moved. The tongue block 10 extends out of the lock body shell 1 to complete the locking, and because the accommodating groove 1103 and the guide groove II 1102 have a certain angle, the main tongue connecting piece 11 can be prevented from being pushed back, and the torsion spring 12, driven by the multi-functional paddle 8, rotates with the fixed pin 13 as the center of the circle and hooks the multi-functional paddle 8, so that the locked state is stable; when opening the door, the key drives the lock core to rotate clockwise, thereby driving the multi-functional paddle 8 and the lock core paddle 7 to rotate clockwise around the guide pin I 104, and the lock core paddle 7 drives the oblique tongue paddle 4 to rotate counterclockwise, pushing the oblique tongue to drive the oblique tongue block 2 to retract into the lock body shell 1 to complete the unlocking.
[0026] The multifunctional conversion pin 9 is removed to realize the fast lock and slow open function: when closing the door, the inclined tongue block 2 is retracted into the lock body shell 1 under pressure and then resets. The handle is lifted to make the handle shaft 6 rotate clockwise, driving the handle paddle 5 to rotate clockwise, pushing the rotating push block 803 on the multifunctional paddle 8, thereby driving the multifunctional paddle 8 to rotate counterclockwise around the guide pin I 104, and the guide pin II 801 moves along the guide groove II 1102 and enters the receiving groove 1103, thereby pushing the main tongue connecting piece 11 to make the main tongue block 10 extend out of the lock body shell 1 to complete the locking. The handle is lifted The lock can be closed and the quick lock function can be realized while the slow lock function is retained; when opening the door, since the multi-function conversion pin 9 is not installed in the lock body, the multi-function paddle 8 cannot be driven to rotate clockwise by the handle paddle 5, that is, the main tongue block 10 cannot be controlled to retract into the lock body shell 1 by turning the handle. The key must be inserted into the lock core and drive the lock core to rotate, thereby driving the multi-function paddle 8 and the lock core paddle 7 to rotate clockwise around the guide pin Ⅰ104, and the lock core paddle 7 drives the oblique tongue paddle 4 to rotate counterclockwise, pushing the oblique tongue to drive the oblique tongue block 2 to retract into the lock body shell 1 to complete the unlocking.
[0027] The multifunctional conversion pin 9 is fixed in the multifunctional conversion hole 802 to realize the quick lock and quick open function: when closing the door, the inclined tongue block 2 is retracted into the lock body shell 1 under pressure and then reset, and the handle is lifted to make the handle shaft 6 rotate clockwise, driving the handle paddle 5 to rotate clockwise, pushing the rotating push block 803 on the multifunctional paddle 8, thereby driving the multifunctional paddle 8 to rotate counterclockwise around the guide pin I 104, and the guide pin II 801 moves along the guide groove II 1102 and enters the accommodating groove 1103, thereby pushing the main tongue connecting piece 11 to make the main tongue block 10 extend out of the lock body shell 1 to complete the locking, and the handle can be lifted to complete the locking, realizing the quick lock function while retaining the slow lock function. At this time, the inclined tongue The paddle 4 and the handle paddle 5 will be at the same angle for easy opening together when unlocking; when opening the door, the handle is pressed down to make the handle shaft 6 rotate counterclockwise, driving the handle paddle 5 and the oblique tongue paddle 4 to rotate counterclockwise, the oblique tongue paddle 4 pushes the oblique tongue rod 3 to drive the oblique tongue block 2 to retract into the lock body shell 1, the handle paddle 5 pushes the multi-functional conversion pin 9 to move along the guide arc groove 101, the multi-functional conversion pin 9 drives the multi-functional paddle 8 to rotate clockwise around the guide pin Ⅰ104, the guide pin Ⅱ801 on the multi-functional paddle 8 pushes the main tongue connecting piece 11 to retract the main tongue block 10 into the lock body shell 1, and the unlocking is completed. The handle can be pressed down to complete the unlocking, realizing the quick opening function while retaining the slow opening function.
[0028] A new multifunctional lock body structure provided in this embodiment is provided with a multifunctional paddle 8 and a multifunctional conversion pin 9. The three functions of slow locking and slow opening, fast locking and slow opening, and fast locking and fast opening can be switched by removing or fixing the multifunctional conversion pin 9 in the multifunctional conversion hole 802 or the locking hole 102. The structure is simple and can adapt to different usage environments and different user needs. Manufacturers only need to produce and stock one lock body, which is conducive to reducing warehousing and operating costs.
[0029] The above description is only the preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A new multifunctional lock body structure, comprising: The lock body shell, the oblique tongue block, the main tongue block, the oblique tongue paddle, the handle paddle, the lock core paddle, and the handle shaft are characterized in that: they also include a multifunctional paddle and a multifunctional conversion pin. The lock core paddle and the multifunctional paddle are connected to the guide pin I, the guide pin I is fixed to the lock body shell, the lock core paddle and the oblique tongue paddle are provided with teeth that bite each other, the multifunctional paddle is provided with a rotating push block and a multifunctional conversion hole, the handle paddle and the lock body shell are both provided with a locking hole, and the multifunctional conversion pin is fixed in the multifunctional conversion hole or the locking hole; The oblique tongue block and the main tongue block are installed in the lock body housing, the oblique tongue block is connected with the oblique tongue rod and the oblique tongue rod, and the oblique tongue paddle is transmission-connected with the oblique tongue rod and drives the oblique tongue block to retract into the lock body housing through the oblique tongue rod; The main tongue block is connected to a main tongue connecting piece, and the multifunctional paddle is transmission-connected to the main tongue connecting piece and drives the main tongue block to extend or retract into the lock body housing through the main tongue connecting piece; The handle rotating shaft is rotatably mounted on the lock body housing, and the oblique tongue paddle and the handle paddle are sleeved on the handle rotating shaft.
2. The novel multifunctional lock structure according to claim 1 is characterized in that: The oblique tongue paddle and the handle paddle are both provided with a cross-shaped handle shaft hole, the handle shaft is arranged in the cross-shaped handle shaft hole, and the oblique tongue paddle and the handle paddle are installed in a staggered manner, so that when the handle shaft rotates a certain angle in clockwise and counterclockwise directions, only one paddle can be driven to rotate.
3. The novel multifunctional lock structure according to claim 2 is characterized in that: The lock body shell is provided with two handle paddle limiting blocks.
4. The novel multifunctional lock structure according to claim 1 is characterized in that: The main tongue connecting piece is provided with two guide grooves I and II in different directions. The guide groove I is sleeved on the guide pin I, the guide groove II is sleeved on the guide pin II, and the guide pin II is fixed on the multifunctional paddle.
5. The novel multifunctional lock structure according to claim 4 is characterized in that: A guide arc groove is provided on the lock body shell.
6. The novel multifunctional lock structure according to claim 1 is characterized in that: The multifunctional paddle is connected with a torsion spring, a torsion spring hole is arranged on the multifunctional paddle, a fixing pin is arranged on the lock body shell, one end of the torsion spring is connected in the torsion spring hole, and the other end is sleeved on the fixing pin.