Cathode lock with safety tongue groove
By designing the cathode lock with its own safety tongue groove and adjusting its spacing, the problem of poor additional installation and adaptability in the prior art is solved, convenient installation and high adaptability are achieved, and the use of the safety tongue is displayed through the micro switch. The situation has improved practicality.
Patent Information
- Application Number
- CN202420847530.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-22
AI Technical Summary
Existing cathode locks require additional fuse grooves when installing, and due to differences in door lock models, the distance between the main lock tongue and the fuse lock tongue may not match, affecting the adaptability of use.
A cathode lock with a safety tongue groove is designed, with its own safety tongue groove, and the spacing between the safety tongue groove and the cathode lock body is adjusted through the adjustment rod and limiting member, adapting to different types of door locks, and introducing touch at the same time. and micro switch to show the use of the safety tongue.
The cathode lock does not require additional safety tongue grooves, which is convenient to install and adapt to different types of door locks, which improves the adaptability of use, and determines whether the safety tongue is inserted through the micro switch, which improves practicality.
Smart Images

Figure CN222207506U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of locks, and in particular relates to a cathode lock with a safety tongue groove. Background Art
[0002] Electric lock is an electronic security lock system, usually used in access control systems, security systems or other places that require remote control and monitoring. Electric locks use electronic control systems to control the door locks, and can be unlocked by password, card, fingerprint recognition or remote control. Cathode lock is a type of electric lock, which is suitable for one-way door opening. It is widely used because of its durability and low requirements for door installation.
[0003] At present, some cathode locks are only provided with a tongue groove of a door lock tongue, however, some door locks are provided with a safety tongue in addition to the door lock tongue, which means that after the existing cathode lock is installed, an additional safety tongue groove needs to be installed on the upper or lower part thereof to cooperate with the safety tongue. This is not only time-consuming and laborious, but also due to the model of the door lock and other issues, there may be some differences in the distance between the main tongue and the safety tongue, which makes the cathode lock unable to adapt to different types of door locks, thereby affecting the compatibility of use, which needs to be improved. Utility Model Content
[0004] In order to solve all or part of the above problems, the purpose of the utility model is to provide a cathode lock with a safety tongue groove, which has its own safety tongue groove and does not require additional installation, and the distance between the safety tongue groove and the cathode lock can be adjusted to adapt to different types of door locks, thereby improving the adaptability of use.
[0005] The utility model provides a cathode lock with a safety tongue groove, comprising a cathode lock body, and also comprising:
[0006] A safety tongue groove is arranged on the side of the cathode lock body;
[0007] Support grooves, two in number, respectively arranged on the safety tongue grooves;
[0008] There are two adjusting rods, which are slidably disposed in the corresponding supporting grooves respectively, and the two adjusting rods are respectively fixed to the cathode lock body so that the distance between the cathode lock body and the safety tongue groove can be adjusted;
[0009] The limiting member is arranged between the cathode lock body and the safety tongue groove, and is used for fixing the safety tongue groove and the two adjusting rods.
[0010] Optionally, the position-limiting member comprises a support plate, the support plate is located between the cathode lock body and the safety tongue groove, and two ends of the support plate are respectively provided with clearance holes, and the two adjustment rods respectively pass through the corresponding clearance holes;
[0011] A pair of elastic limiting plates are respectively fixedly connected at both ends of the support plate facing the safety tongue groove, each pair of limiting plates can be respectively inserted into the corresponding support groove, and the two adjusting rods are respectively located between the corresponding pair of limiting plates;
[0012] The side of each pair of limit plates close to each other is respectively provided with limit bevel teeth, the two side walls of the adjustment rod are respectively provided with bevel racks, the side of each pair of limit plates away from each other is respectively provided with locking convex teeth, and the inner walls of both sides of each support groove are respectively provided with limit convex teeth;
[0013] When the two pairs of the limiting plates are respectively inserted into the corresponding supporting grooves, each of the limiting oblique teeth is respectively hooked and matched with the corresponding oblique rack, and each of the locking convex teeth is respectively hooked and matched with the corresponding limiting convex teeth.
[0014] Optionally, the cross-sections of the limiting bevel tooth and the convex teeth on the bevel rack are respectively right-angled triangles, and when the limiting bevel tooth is hooked with the corresponding bevel rack, the vertical surfaces of the limiting bevel tooth and the convex teeth on the bevel rack are in contact with each other.
[0015] Optionally, guide slopes are respectively provided on the inner walls on both sides of the support groove, and the two guide slopes are close to each other away from the side of the support plate, so that the limiting plate can be deformed smoothly under the action of the guide slopes.
[0016] Optionally, locking grooves are respectively provided on the inner walls on both sides of the supporting groove, and the inner side walls of the locking grooves and the corresponding guiding inclined surfaces jointly form the limiting protruding teeth.
[0017] Optionally, the cross-sections of the locking protrusion and the limiting protrusion are respectively right-angled triangles, and when the locking protrusion is hooked with the corresponding limiting protrusion, the vertical surfaces of the locking protrusion and the limiting protrusion fit and abut against each other.
[0018] Optionally, the safety tongue groove comprises:
[0019] A support frame is arranged on the side of the cathode lock body, and the support groove is arranged on the support frame;
[0020] A supporting shell, fixed to the bottom of the supporting frame;
[0021] Two micro switches are symmetrically fixed on the inner walls of both sides of the support shell, and the micro switches are connected to the external door lock display device through a circuit to display the use of the safety tongue;
[0022] A trigger, disposed on the support frame;
[0023] When the safety lock tongue of the door lock is pushed out, the actuating member can touch the corresponding micro switch and make the external door lock display device display the use status of the safety lock tongue.
[0024] Optionally, the trigger member includes two trigger plates respectively arranged in the support frame, the bottom positions of the two trigger plates on the side away from each other are respectively fixedly connected with rotating tubes, the two rotating tubes are respectively penetrated and fixedly connected with rotating shafts, the two rotating shafts are respectively rotatably connected to the support frame, and a reset member is arranged between the rotating shaft and the corresponding trigger plate;
[0025] When the safety lock tongue of the door lock is pushed out, the two trigger plates are flipped toward the supporting shell respectively under the action of the safety lock tongue and touch the corresponding micro switches respectively. When the safety lock tongue of the door lock is retracted, the two trigger plates are flipped and reset in the direction away from the supporting shell under the action of the corresponding resetting members, and the two trigger plates are separated from the corresponding micro switches respectively.
[0026] Optionally, the reset member includes a reset torsion spring sleeved on the rotating shaft, one end of the reset torsion spring is fixedly connected to the corresponding trigger plate, and the other end of the reset torsion spring is fixedly connected to the corresponding support frame.
[0027] Optionally, the two trigger plates are respectively fixedly connected to limit blocks on the sides away from each other, and the inner walls on both sides of the support frame are respectively provided with step grooves, and the two limit blocks are respectively located in the corresponding step grooves;
[0028] When the trigger plate flips in a direction away from the support shell and makes the bottom surface of the limit block abut against the bottom of the corresponding step groove, the trigger plate is separated from the corresponding micro switch to achieve stable resetting of the trigger plate.
[0029] It can be seen from the above technical solution that the cathode lock with a safety tongue groove provided by the utility model has the following advantages:
[0030] The cathode lock has a built-in safety tongue groove, which does not require additional installation, is easy to install, saves time and effort, and the distance between the safety tongue groove and the cathode lock can be adjusted to adapt to different types of door locks, thereby improving the adaptability of use. At the same time, the cooperation of the trigger and the micro switch enables the user to judge whether the safety tongue is inserted into the safety tongue groove according to the situation of the micro switch when the safety tongue groove is used with the safety tongue of the door lock, thereby improving practicality.
[0031] Other features and advantages of the present invention will be described in the following description. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.
[0033] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;
[0034] Figure 2 An exploded view of an embodiment of the utility model;
[0035] Figure 3 It is a cross-sectional view of the safety tongue groove in the embodiment of the utility model;
[0036] Figure 4 for Figure 3 A magnified schematic diagram of the middle A area;
[0037] Figure 5 It is an exploded view of the safety tongue groove in the embodiment of the utility model.
[0038] Description of reference numerals:
[0039] 1. Cathode lock body; 2. Safety tongue groove; 21. Support frame; 22. Support shell; 23. Micro switch; 3. Support groove; 4. Adjustment rod; 5. Limiting piece; 51. Support plate; 52. Clearance hole; 53. Limiting plate; 54. Limiting bevel teeth; 55. Bevel rack; 56. Locking convex teeth; 57. Limiting convex teeth; 6. Guide inclined surface; 7. Locking groove; 8. Touching piece; 81. Trigger plate; 82. Rotating tube; 83. Rotating shaft; 9. Resetting piece; 91. Resetting torsion spring; 10. Limiting block; 11. Step groove. DETAILED DESCRIPTION
[0040] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the utility model can be combined with each other arbitrarily without conflict.
[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5The embodiment of the utility model is shown in the figure. The embodiment discloses a cathode lock with a safety tongue groove 2, including a cathode lock body 1 and a safety tongue groove 2, and the safety tongue groove 2 is located on the side of the cathode lock body 1. Support grooves 3 are respectively provided at the two ends of the safety tongue groove 2 facing the cathode lock body 1, and adjustment rods 4 are respectively connected horizontally and slidably in the two support grooves 3, and the two adjustment rods 4 are respectively fixedly connected to the cathode lock body 1. At the same time, a limit member 5 is provided between the cathode lock body 1 and the safety tongue groove 2, and the limit member 5 is used to fix the two adjustment rods 4 and the safety tongue groove 2, so as to realize the locking after the spacing between the cathode lock body 1 and the safety tongue groove 2 is adjusted.
[0042] The cathode lock in this embodiment has its own safety tongue groove 2, which does not require additional installation, is convenient and saves time and effort. At the same time, the distance between the safety tongue groove 2 and the cathode lock can be adjusted to adapt to different types of door locks, thereby improving the adaptability of use.
[0043] In one embodiment, Figure 2 , Figure 3 , Figure 4 As shown, the limiting member 5 includes a support plate 51 arranged between the cathode lock body 1 and the safety tongue groove 2, and two ends of the support plate 51 are respectively provided with clearance holes 52, and the two adjustment rods 4 pass through the corresponding clearance holes 52 respectively, and the support plate 51 and the two adjustment rods 4 are slidably matched.
[0044] In one embodiment, Figure 3 , Figure 4 As shown, a pair of elastic limiting plates 53 are respectively fixedly connected at both ends of the support plate 51 facing the safety tongue groove 2, each pair of limiting plates 53 can be respectively inserted into the corresponding support groove 3, and the two adjustment rods 4 are respectively located between the corresponding pair of limiting plates 53. In this embodiment, the limiting plates 53 are supported by elastic plastic, and in other embodiments, spring steel or other elastic materials can also be used.
[0045] In one embodiment, Figure 3 , Figure 4 As shown, the side of each pair of limit plates 53 close to each other is integrally formed with limit bevel teeth 54, and the two side walls of the adjustment rod 4 are respectively fixedly connected with bevel racks 55. The side of each pair of limit plates 53 away from each other is respectively integrally formed with locking protruding teeth 56, and the two side inner walls of each support groove 3 are respectively provided with limit protruding teeth 57.
[0046] When the distance between the cathode lock body 1 and the safety tongue groove 2 meets the requirement, the support plate 51 is pushed toward the safety tongue groove 2, and the two pairs of limit plates 53 are respectively inserted into the corresponding support grooves 3. At this time, each limit bevel tooth 54 is hooked and matched with the corresponding bevel rack 55, and each locking convex tooth 56 is hooked and matched with the corresponding limit convex tooth 57, so as to achieve the fixing of the adjustment rod 4 and the two safety tongue grooves 2.
[0047] In one embodiment, Figure 3 , Figure 4 As shown, the cross-sections of the limiting bevel teeth 54 and the convex teeth on the bevel rack 55 are respectively right-angled triangles, and when the limiting bevel teeth 54 are hooked with the corresponding bevel rack 55, the vertical surfaces of the limiting bevel teeth 54 and the convex teeth on the bevel rack 55 fit and abut against each other to improve the limiting stability.
[0048] In one embodiment, Figure 3 , Figure 4 As shown, the inner walls on both sides of the support groove 3 are integrally formed with guide slopes 6, and the two guide slopes 6 are close to each other away from the side of the support plate 51, so that the limit plate 53 can be deformed smoothly under the action of the guide slopes 6 to ensure smooth locking.
[0049] In one embodiment, Figure 3 , Figure 4 As shown, locking grooves 7 are respectively provided on the inner walls of both sides of the support groove 3, and the inner side walls of the locking groove 7 and the corresponding guide inclined surfaces 6 together form a limiting convex tooth 57. At the same time, the cross-sections of the locking convex tooth 56 and the limiting convex tooth 57 are respectively right-angled triangles, and when the locking convex tooth 56 is hooked and matched with the corresponding limiting convex tooth 57, the vertical surfaces of the locking convex tooth 56 and the limiting convex tooth 57 are fitted and abutted to improve the limiting stability.
[0050] In one embodiment, Figure 1 , Figure 5 As shown, the safety tongue groove 2 includes a support frame 21 arranged on the side of the cathode lock body 1, and the support groove 3 is arranged on the side wall of the support frame 21. The bottom of the support frame 21 is fixedly connected to a support shell 22, and the inner walls on both sides of the support shell 22 are respectively fixedly connected to micro switches 23. The two micro switches 23 are symmetrically distributed and are respectively connected to the external door lock display device through a circuit to display the use of the safety tongue. At the same time, a trigger 8 is arranged on the support frame 21. When the safety lock tongue of the door lock is pushed out, the trigger 8 can touch the corresponding micro switch 23 and make the external door lock display device display the use of the safety tongue.
[0051] In one embodiment, Figure 1 , Figure 5As shown, the trigger member 8 includes two trigger plates 81 respectively arranged in the support frame 21, and the bottom positions of the two trigger plates 81 on the side away from each other are fixedly connected with rotating tubes 82 respectively, and the two rotating tubes 82 are respectively fixedly connected with rotating shafts 83, and the two ends of the rotating shaft 83 respectively pass through the corresponding rotating tubes 82 and are respectively rotatably connected to the corresponding inner walls of the support frame 21, so that the two trigger plates 81 can rotate.
[0052] In one embodiment, Figure 1 , Figure 2 As shown, a reset member 9 is provided between the rotating shaft 83 and the corresponding trigger plate 81, and the reset member 9 is used to control the flipping and resetting of the trigger plate 81. In this embodiment, the reset member 9 includes a reset torsion spring 91 sleeved on the rotating shaft 83, one end of the reset torsion spring 91 is fixedly connected to the corresponding trigger plate 81, and the other end is fixedly connected to the corresponding support frame 21.
[0053] In one embodiment, Figure 1 , Figure 2 As shown, the two trigger plates 81 are fixedly connected to the limiting blocks 10 on the sides away from each other, and the inner walls on both sides of the support frame 21 are respectively provided with step grooves 11. The two limiting blocks 10 are respectively located in the corresponding step grooves 11 and can realize the flipping limit of the trigger plate 81.
[0054] When the safety lock tongue of the door lock is pushed out, the two trigger plates 81 are flipped toward the support shell 22 respectively under the action of the safety lock tongue. At this time, the two trigger plates 81 touch the corresponding micro switches 23 respectively, so that the external door lock display device displays the safety lock tongue status.
[0055] When the safety lock tongue of the door lock is retracted, the two trigger plates 81 flip and reset in the direction away from the support shell 22 under the action of the corresponding reset torsion springs 91. When the bottom surfaces of the two limit blocks 10 respectively abut against the bottom of the corresponding step grooves 11, the two trigger plates 81 are separated from the corresponding micro switches 23 respectively. At this time, the external door lock display device displays the status of the safety tongue.
[0056] From the above process, it can be seen that the cathode lock in this embodiment has its own safety tongue groove 2, which does not require additional installation, is easy to install, saves time and effort, and the distance between the safety tongue groove 2 and the cathode lock can be adjusted to adapt to different types of door locks, thereby improving the adaptability of use. At the same time, the cooperation of the trigger 8 and the micro switch 23 enables the user to judge whether the safety tongue is inserted into the safety tongue groove 2 according to the situation of the micro switch 23 when the safety tongue groove 2 is used in conjunction with the safety tongue of the door lock, thereby improving practicality.
[0057] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention should have the common meanings understood by technicians in the field to which the present invention belongs.
[0058] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically limited.
[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and description of the utility model. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.
Claims
1. A cathode lock with a safety tongue groove (2), comprising a cathode lock body (1), characterized in that: Also includes: A safety tongue groove (2) is arranged on the side of the cathode lock body (1); Support grooves (3), the number of which is two and which are respectively arranged on the safety tongue grooves (2); There are two adjusting rods (4) which are respectively slidably inserted into the corresponding supporting grooves (3); the two adjusting rods (4) are respectively fixed to the cathode lock body (1) so that the distance between the cathode lock body (1) and the safety tongue groove (2) can be adjusted; A limiting member (5) is arranged between the cathode lock body (1) and the safety tongue groove (2), and is used to fix the safety tongue groove (2) and the two adjusting rods (4).
2. The cathode lock according to claim 1, characterized in that: The limiting member (5) comprises a support plate (51), the support plate (51) is located between the cathode lock body (1) and the safety tongue groove (2), and two ends of the support plate (51) are respectively provided with clearance holes (52), and the two adjusting rods (4) respectively pass through the corresponding clearance holes (52); A pair of elastic limiting plates (53) are respectively fixedly connected at the two ends of the support plate (51) facing the safety tongue groove (2), each pair of limiting plates (53) can be respectively inserted into the corresponding support groove (3), and the two adjustment rods (4) are respectively located between the corresponding pair of limiting plates (53); A limiting oblique tooth (54) is provided on each pair of the limiting plates (53) on the side close to each other, an oblique rack (55) is provided on both side walls of the adjusting rod (4), a locking convex tooth (56) is provided on each pair of the limiting plates (53) on the side away from each other, and a limiting convex tooth (57) is provided on both side inner walls of each supporting groove (3); When the two pairs of limiting plates (53) are respectively inserted into the corresponding supporting grooves (3), each limiting oblique tooth (54) is respectively hooked and matched with the corresponding oblique rack (55), and each locking convex tooth (56) is respectively hooked and matched with the corresponding limiting convex tooth (57).
3. The cathode lock according to claim 2, characterized in that: The cross-sections of the position-limiting bevel teeth (54) and the convex teeth on the bevel rack (55) are respectively in the shape of right triangles, and when the position-limiting bevel teeth (54) are hooked and matched with the corresponding bevel rack (55), the vertical surfaces of the position-limiting bevel teeth (54) and the convex teeth on the bevel rack (55) are in contact with each other.
4. The cathode lock according to claim 2, characterized in that: The inner walls on both sides of the support groove (3) are respectively provided with guiding inclined surfaces (6), and the two guiding inclined surfaces (6) are close to each other on the side away from the support plate (51), so that the limiting plate (53) can be deformed smoothly under the action of the guiding inclined surfaces (6).
5. The cathode lock according to claim 4, characterized in that: The inner walls on both sides of the support groove (3) are respectively provided with locking grooves (7), and the inner side walls of the locking grooves (7) and the corresponding guiding inclined surfaces (6) together form the limiting protruding teeth (57).
6. The cathode lock according to claim 5, characterized in that: The cross-sections of the locking protrusion (56) and the limiting protrusion (57) are respectively in the shape of right triangles, and when the locking protrusion (56) is hooked and matched with the corresponding limiting protrusion (57), the vertical surfaces of the locking protrusion (56) and the limiting protrusion (57) are in contact with each other.
7. The cathode lock according to claim 1, characterized in that: The safety tongue groove (2) comprises: A support frame (21) is arranged on the side of the cathode lock body (1), and the support groove (3) is arranged on the support frame (21); A support shell (22) fixed to the bottom of the support frame (21); Two micro switches (23) are symmetrically fixed on the inner walls of both sides of the support shell (22); the micro switches (23) are connected to an external door lock display device through a circuit to display the use of the safety tongue; A trigger (8) is arranged on the support frame (21); When the safety lock tongue of the door lock is pushed out, the actuating member (8) can touch the corresponding micro switch (23) and enable the external door lock display device to display the use status of the safety lock tongue.
8. The cathode lock according to claim 7, characterized in that: The trigger member (8) comprises two trigger plates (81) respectively arranged in the support frame (21); the bottom positions of the two trigger plates (81) on the side away from each other are respectively fixedly connected with a rotating tube (82); the two rotating tubes (82) are respectively penetrated and fixedly connected with a rotating shaft (83); the two rotating shafts (83) are respectively rotatably connected to the support frame (21); and a reset member (9) is arranged between the rotating shaft (83) and the corresponding trigger plate (81); When the safety lock tongue of the door lock is pushed out, the two trigger plates (81) are flipped toward the support shell (22) respectively under the action of the safety lock tongue, and touch the corresponding micro switches (23) respectively; when the safety lock tongue of the door lock is retracted, the two trigger plates (81) are flipped toward a direction away from the support shell (22) and reset under the action of the corresponding reset member (9), and the two trigger plates (81) are separated from the corresponding micro switches (23) respectively.
9. The cathode lock according to claim 8, characterized in that: The reset member (9) comprises a reset torsion spring (91) sleeved on the rotating shaft (83), one end of the reset torsion spring (91) being fixedly connected to the corresponding trigger plate (81), and the other end of the reset torsion spring (91) being fixedly connected to the corresponding support frame (21).
10. The cathode lock according to claim 8, characterized in that: The two trigger plates (81) are respectively fixedly connected to the limiting blocks (10) on the sides away from each other, and the inner walls on both sides of the support frame (21) are respectively provided with step grooves (11), and the two limiting blocks (10) are respectively located in the corresponding step grooves (11); When the trigger plate (81) flips in a direction away from the support shell (22) and the bottom surface of the limit block (10) abuts against the bottom of the corresponding step groove (11), the trigger plate (81) is separated from the corresponding micro switch (23) to achieve stable resetting of the trigger plate (81).
