Safety lock strength detection device
By designing an adjustable detection component and hydraulic push rod, the problem of existing lock detection devices being unable to adjust their position is solved, enabling effective detection of padlocks at different angles and ensuring the accuracy and reliability of the detection results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI RUIZHI TECH CO LTD
- Filing Date
- 2025-01-21
- Publication Date
- 2026-05-01
AI Technical Summary
The existing lock strength testing device cannot be adjusted in position, resulting in insufficient testing of the padlock at different angles, which can easily lead to loosening problems.
A strength testing device for safety locks was designed. Through an adjustable testing component and a hydraulic push rod, the position of the hook can be adjusted by sliding within an arc-shaped groove. The device can also perform pull tests on different positions of the padlock by inserting a rod into the insertion holes at different positions.
It enables effective detection of padlocks at different angles, ensuring the accuracy and reliability of the detection results and avoiding loosening issues.
Smart Images

Figure CN224189751U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of lock testing equipment technology, and more specifically, to a security lock strength testing device. Background Technology
[0002] As a security device, locks can protect people's personal belongings. There are many types of locks, such as padlocks, combination locks, and electronic locks. Before each type of lock leaves the factory, samples are often taken and tested by a strength testing device to ensure that the lock has good security performance.
[0003] A search revealed a lock strength testing device (publication number CN211784815U), comprising a base and a lock body, as well as a holding module, a pressing module, and a pressure unit. The top of the base is fixedly connected to the bottom of the fixed housing, and the bottom of the holding module is fixedly connected to the top left side of the base. The device works by fixing the lock body between the holding module and the pressing module, using a first hydraulic rod equipped with a tension gauge to pull the lock handle placed on a shearing frame, controlling the first hydraulic rod to slowly pull the lock handle out and record the tension data, thus achieving safe operation and quickly obtaining effective tension data.
[0004] In actual use, because the first hydraulic rod is fixedly installed on the fixed shell, its position cannot be adjusted, meaning that different parts of the padlock cannot be pulled. The padlock is prone to loosening under tension at different angles, which needs to be improved.
[0005] To address the aforementioned issues, this application provides a security lock strength testing device. Utility Model Content
[0006] The security lock strength testing device provided in this application adopts the following technical solution:
[0007] A security lock strength testing device includes a base, a fixing plate fixedly installed at the top of the base, a positioning plate provided on the fixing plate, a locking screw provided on the positioning plate, a pressure plate rotatably installed at the bottom end of the locking screw, a padlock provided below the pressure plate, a support plate movably fitted at the bottom end of the padlock, and an arc-shaped groove provided at the top of the base, within which a testing component for testing the padlock with adjustable position is slidably installed.
[0008] Furthermore, the detection component includes a slider that matches the arc-shaped groove. A protrusion is fixedly installed on the top of the slider, and an insert rod is movably inserted into the protrusion. A translation groove is provided on the top of the protrusion, and a rotating screw is rotatably installed in the translation groove. A translation slider is movably fitted on the outer wall of the rotating screw. A hydraulic push rod is provided on the left side of the translation slider, and a hook is provided on the left side of the hydraulic push rod.
[0009] Furthermore, a vertical plate is fixedly installed on the right side of the top of the protrusion. The vertical plate is provided with two threaded through holes, and each threaded through hole is provided with a limit screw. Several nuts are movably fitted on the outer wall of each of the two limit screws.
[0010] Furthermore, several fixing frames are provided on the right side wall of the tray and the pressure plate, and several insert plates are provided on the right side of the tray. The width of the insert plates is the same as the length and width of the inner frame of the fixing frames.
[0011] Furthermore, the top of the base is provided with several insertion holes, and the diameter of the insertion holes is the same as the diameter of the insertion rod.
[0012] Furthermore, the right side of the rotating screw passes through the right side wall of the translation groove on the protrusion and extends to the right side of the protrusion, and a turntable is fixedly installed on the right side wall of the rotating screw.
[0013] In summary, this application includes the following beneficial technical effects:
[0014] By controlling the slider to slide within the arc-shaped groove to adjust the hook to engage different positions on the padlock, and inserting the insert rod into the insert hole at different positions, it is convenient to perform pull tests on different positions of the padlock to detect whether the padlock will loosen under pulling force at different angles. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this application;
[0016] Figure 2 This is a partial structural diagram of this application;
[0017] Figure 3 This is a schematic diagram of the detection component structure in this application.
[0018] Explanation of the labels in the diagram:
[0019] 1. Base; 2. Fixing plate; 3. Positioning plate; 4. Locking screw; 5. Pressure plate; 6. Support plate; 7. Fixing frame; 8. Insert plate; 9. Padlock; 10. Arc-shaped slide groove; 11. Insertion hole; 12. Detection component; 13. Slider; 14. Protrusion; 15. Insertion rod; 16. Rotating screw; 17. Translation slider; 18. Hydraulic push rod; 19. Hook; 20. Vertical plate; 21. Limit screw; 22. Nut. Detailed Implementation
[0020] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0021] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0023] Example:
[0024] This application discloses a security lock strength testing device. Please refer to [link / reference]. Figure 1 and Figure 2 The device includes a base 1, a fixing plate 2 fixedly installed at the top of the base 1, a positioning plate 3 on the fixing plate 2, a locking screw 4 on the positioning plate 3, a pressure plate 5 rotatably installed at the bottom of the locking screw 4, a padlock 9 below the pressure plate 5, a support plate 6 movably fitting at the bottom of the padlock 9, an arc-shaped groove 10 at the top of the base 1, and a detection component 12 that can be adjusted to detect the padlock 9 is slidably installed in the arc-shaped groove 10. The locking screw 4 controls the pressure plate 5 to move downward, so that the support plate 6 and the pressure plate 5 can clamp and fix the padlock 9.
[0025] Please see Figure 3The detection component 12 includes a slider 13 that matches the arc-shaped slide groove 10. A protrusion 14 is fixedly installed on the top of the slider 13. An insert rod 15 is movably inserted into the protrusion 14. A translation groove is provided on the top of the protrusion 14, and a rotating screw 16 is rotatably installed in the translation groove. A translation slider 17 is movably fitted on the outer wall of the rotating screw 16. The width of the part of the translation slider 17 located in the translation groove is the same as the width of the translation groove, ensuring that the translation slider 17 can move in translation. A hydraulic push rod 18 is provided on the left side of the translation slider 17. A hook 19 is provided on the left side of the hydraulic push rod 18. A digital push-pull force gauge is installed between the hook 19 and the hydraulic push rod 18 for convenient recording of the pulling force.
[0026] Please see Figure 3 A vertical plate 20 is fixedly installed on the top right side of the protrusion 14. The vertical plate 20 has two threaded through holes, and each threaded through hole is provided with a limit screw 21. Several nuts 22 are movably fitted on the outer wall of the two limit screws 21. By controlling the limit screws 21 to pass through the vertical plate 20 and fit against the translation slider 17, the translation slider 17 can be supported. The nuts 22 can also provide support for the waist of the limit screws 21.
[0027] Please see Figure 1 and Figure 2 Several fixing frames 7 are provided on the right side wall of the tray 6 and the pressure plate 5, and several insert plates 8 are provided on the right side of the tray 6. The width of the insert plate 8 is the same as the length and width of the inner frame of the fixing frame 7, so that the insert plate 8 can be inserted into the two fixing frames 7, and the padlock 9 is prevented from being pulled out from between the pressure plate 5 and the tray 6 during the testing process.
[0028] Please see Figure 1 and Figure 2 The top of the base 1 is provided with several insertion holes 11, and the diameter of the insertion holes 11 is the same as the diameter of the insertion rod 15. By inserting the insertion rod 15 into the insertion holes 11 at different positions, the slider 13 can be easily fixed in different positions for use.
[0029] Please see Figure 3 The right side of the rotating screw 16 passes through the right side wall of the translation groove on the protrusion 14 and extends to the right side of the protrusion 14. A turntable is fixedly installed on the right side wall of the rotating screw 16, and the rotation of the rotating screw 16 can be easily controlled by the turntable.
[0030] The implementation principle of this embodiment is as follows: In use, the pressure plate 5 is first controlled to move downward by the locking screw 4, so that the pressure plate 5 and the support plate 6 clamp and fix the padlock 9. The insertion plate 8 is inserted into the fixing frame 7 on the pressure plate 5 and the support plate 6 to connect the pressure plate 5 and the support plate 6 into a whole. Then, the padlock 9 is hooked by the hook 19, and the padlock 9 can be tested by the hydraulic push rod 18. During the test, the hook 19 can be adjusted to hook the padlock 9 at different positions by controlling the slider 13 to slide in the arc-shaped groove 10, and the insertion rod 15 can be inserted into the insertion hole 11 at different positions, which can facilitate the pulling test of the padlock 9 at different positions.
[0031] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A security lock strength testing device comprising a base (1) characterised in that: A fixing plate (2) is fixedly installed at the top of the base (1). A positioning plate (3) is provided on the fixing plate (2). A locking screw (4) is provided on the positioning plate (3). A pressure plate (5) is rotatably installed at the bottom end of the locking screw (4). A padlock (9) is provided below the pressure plate (5). A support plate (6) is movably attached to the bottom end of the padlock (9). An arc-shaped slide groove (10) is provided at the top of the base (1). A detection component (12) for detecting the padlock (9) is slidably installed in the arc-shaped slide groove (10).
2. The security lock strength testing device of claim 1, wherein: The detection component (12) includes a slider (13) that matches the arc-shaped groove (10). A protrusion (14) is fixedly installed on the top of the slider (13). An insert rod (15) is movably inserted into the protrusion (14). A translation groove is provided on the top of the protrusion (14), and a rotating screw (16) is rotatably installed in the translation groove. A translation slider (17) is movably fitted on the outer wall of the rotating screw (16). A hydraulic push rod (18) is provided on the left side of the translation slider (17), and a hook (19) is provided on the left side of the hydraulic push rod (18).
3. The security lock strength testing device of claim 2, wherein: A vertical plate (20) is fixedly installed on the right side of the top of the protrusion (14). The vertical plate (20) has two threaded through holes, and each threaded through hole is provided with a limiting screw (21). Several nuts (22) are movably fitted on the outer wall of each of the two limiting screws (21).
4. The security lock strength testing device of claim 1, wherein: Several fixing frames (7) are provided on the right side wall of the pallet (6) and the pressure plate (5), and several insert plates (8) are provided on the right side of the pallet (6). The width of the insert plate (8) is the same as the length and width of the inner frame of the fixing frame (7).
5. The safety lock strength testing device according to claim 1, characterized in that: The top of the base (1) is provided with a plurality of insertion holes (11), and the diameter of the insertion holes (11) is the same as the diameter of the insertion rod (15).
6. The safety lock strength testing device according to claim 2, characterized in that: The right side of the rotating screw (16) passes through the right side wall of the translation groove on the protrusion (14) and extends to the right side of the protrusion (14), and a turntable is fixedly installed on the right side wall of the rotating screw (16).
Citation Information
Patent Citations
Lock strength detection device
CN211784815U