Simple detection device for locking body

Abstract

The utility model discloses a simple detection device for a locking body. The simple detection device comprises a screw jack, a locking body structure and a sensor, wherein the screw jack consists of a movable end and a fixed end; the movable end is used for being in sliding fit with the fixed end, and the locking body structure is used for being installed on the screw jack. The sensor is arranged between the locking body structure and the screw jack and is used for detecting a pressure value when the movable end extrudes the locking body structure after sliding; wherein the locking body structure comprises a sliding plug, a first lock and a second lock, an ejector rod is arranged on the sliding plug, the sliding plug is used for sliding on the fixed end in a reciprocating mode, the sensor is arranged on the sliding plug, the lower ends of the first lock and the second lock are connected with the fixed end, and the middle ends of the first lock and the second lock are used for limiting through a limiting assembly. The utility model aims to solve the problem that a locking body is broken when a locking force test is carried out on the locking body by a locking body detection device in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of mechanical testing technology, specifically to a simple testing device for locking bodies. Background Technology

[0002] As the core component of mechanical locks, the performance of the locking body directly affects the security and reliability of the lock. Traditional testing mainly relies on manual inspection, manual operation, or large specialized equipment, which suffers from low efficiency, high subjectivity, and high cost. With the development of industrial automation, especially in high-frequency usage scenarios (such as shared bicycles and smart door locks), the market urgently needs a portable and efficient locking body testing device. In existing technologies, simple testing devices mostly use mechanical structures combined with basic sensors (such as Hall elements and microswitches) to detect basic parameters such as closure state and travel distance. However, they generally suffer from poor adaptability (such as incompatibility with locking bodies of different sizes), limited data acquisition (lacking multi-dimensional analysis such as force and speed), and most do not integrate data visualization functions, making it difficult to meet the refined quality inspection needs of modern smart locks.

[0003] Patent application number CN202111128341.3 and publication number CN113739630A (hereinafter referred to as "Prior Art 1") discloses a dual-purpose artillery locking body detection device. This artillery locking body detection device includes: a measuring tube, an opening... Figure 4 The system comprises a lock body, a pressing mechanism, a pressure sensor, an offline locking mechanism, an in-machine limiting mechanism, an ejection mechanism, and a controller. The measuring tube includes a first cavity and a second cavity; the first cavity has a first opening and a second opening on its sidewall; the unlocking body is installed within the first cavity, including a first and a second protruding unlocking tongue. The pressing mechanism includes a push rod and a push block; the pressure sensor is installed on the unlocking body near the push block; the offline locking mechanism and the in-machine limiting mechanism are used to lock the locking body. The ejection mechanism applies pressure to the push rod, causing it to move towards the unlocking body. The controller records the maximum value of the pressure sensor during the unlocking process, using this as the unlocking force value.

[0004] The specification of prior art 1 discloses a dual-purpose artillery locking body testing device. In use, it can measure the unlocking force of the locking body in both offline and on-machine states. Pressure is automatically applied by a power tool, and the maximum pressure value is recorded as the unlocking force. However, in actual applications, since the locking force of the locking body is continuously applied when testing the locking body, the locking body will break after being subjected to continuous force. Summary of the Invention

[0005] This invention provides a simple testing device for locking bodies, which aims to solve the problem that existing locking body testing devices may cause locking bodies to break when testing the locking force.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A simple locking body detection device includes a screw jack consisting of a movable end and a fixed end, a locking body structure, and a sensor; the movable end is used to slide and engage with the fixed end, and the locking body structure is used to be installed on the screw jack; the sensor is installed between the locking body structure and the screw jack, and is used to detect the pressure value when the movable end slides and causes compression on the locking body structure;

[0008] The locking body structure includes a sliding plug, a first lock, and a second lock. A top rod is provided on the sliding plug. The sliding plug is used to slide back and forth on the fixed end. A sensor is provided on the sliding plug. The lower ends of the first lock and the second lock are connected to the fixed end, the middle ends are used to limit the movement by a limiting component, and the upper ends are used to cover the top rod after relative contact.

[0009] Furthermore, the locking body structure also includes a locking plate, one end of which is connected to the sliding plug and the other end of which is connected to the top rod.

[0010] Furthermore, both the first and second locks are elastic elements.

[0011] Furthermore, a support base is provided on the fixed end, and the lower ends of the first lock and the second lock are used to engage with each other on the support base and are fixed by bolts.

[0012] Furthermore, the detection device also includes a protective cover, and the spiral jack is disposed inside the protective cover.

[0013] Furthermore, a fixing part is provided inside the protective cover, and the fixing end is detachably installed inside the protective cover through the fixing part.

[0014] Furthermore, a miniature display screen is installed on the outside of the protective cover. The miniature display screen is connected to the sensor through a controller and is used to display the sensor values.

[0015] Furthermore, the sliding plug is provided with a waist-shaped groove, and a limit bolt is provided on the fixed end. The limit bolt is located inside the waist-shaped groove and is used to contact the inner wall of the waist-shaped groove.

[0016] Furthermore, both the sliding plug and the protective cover are equipped with wiring holes, which are used to make way for the sensor's wiring.

[0017] Furthermore, a limiting plate is provided on the support base. The lower end face of the limiting plate is used to contact the upper end faces of the first lock and the second lock. The bolt is used to pass through the limiting plate and be threadedly connected to the support base.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model mainly includes a screw jack consisting of a movable end and a fixed end, a locking body structure, and a sensor. In actual use, when conducting mechanical tests on the first and second locks, the lower ends of the first and second locks need to be installed opposite each other on the fixed end. Then, the curvature of the first and second locks is limited by a limiting component, causing the upper and lower ends of the first and second locks to engage. After the upper ends of the first and second locks are engaged, the push rod is covered. After installation, the operator controls the movable end of the screw jack to slide inside the fixed end. When the movable end connects... After contacting the sensor on the sliding plug, the jack continues to slide. During this process, the movable end pushes the sliding plug upward. Since the push rod is fixedly connected to the sliding plug, it rises along with the plug. Because the first and second locks are elastic, they deform as the push rod rises, causing them to separate. Throughout this process, the sensor is continuously subjected to the thrust from the movable end, providing real-time feedback on the thrust value until the push rod disengages from the area covered by the first and second locks, thus completing the detection of the locking force of the first and second locks. The advantage of this design is that, because the screw jack rises in segments, it does not continuously apply force to the first and second locks. The segmented force on the first and second locks reduces the risk of breakage. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a side view of the present invention.

[0023] Figure 3 This is a structural schematic diagram of Embodiment 2 of the present invention.

[0024] Figure 4 This is a schematic diagram showing the connection between the miniature display screen and the protective cover in this utility model.

[0025] In the diagram, 101-moving end, 102-fixed end, 103-sensor, 104-sliding plug, 105-first lock, 106-second lock, 107-top rod, 108-screw, 109-installation area, 110-driven bevel gear, 111-rotating rod, 112-driving bevel gear, 113-operating handle, 114-limiting groove, 115-limiting protrusion, 116-long bolt, 117-locking nut, 118-adjusting nut, 119-locking plate, 120-support base, 121-protective cover, 122-fixed part, 123-miniature display screen, 124-waist-shaped groove, 125-limiting bolt, 126-wiring hole, 127-limiting plate. Detailed Implementation

[0026] The present invention will be further described below with reference to the embodiments. The described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative effort are all within the protection scope of the present invention.

[0027] Please see Figures 1-4 As shown, this embodiment discloses a simple detection device for a locking body, including a screw jack consisting of a movable end 101 and a fixed end 102, a locking body structure, and a sensor 103; the movable end 101 is used to slide and engage with the fixed end 102, and the locking body structure is used to be installed on the screw jack; the sensor 103 is installed between the locking body structure and the screw jack, and is used to detect the pressure value when the movable end 101 slides and causes compression to the locking body structure;

[0028] The locking body structure includes a sliding plug 104, a first lock 105, and a second lock 106. A push rod 107 is provided on the sliding plug 104. The sliding plug 104 is used to slide back and forth on the fixed end 102. A sensor 103 is provided on the sliding plug 104. The lower ends of the first lock 105 and the second lock 106 are connected to the fixed end 102, the middle ends are used to limit the movement by a limiting component, and the upper ends are used to cover the push rod 107 after relative contact.

[0029] This utility model mainly includes a screw jack consisting of a movable end 101 and a fixed end 102, a locking body structure, and a sensor 103. In actual use, when conducting mechanical tests on the first lock 105 and the second lock 106, the lower ends of the first lock 105 and the second lock 106 are mounted opposite each other on the fixed end 102. Then, the curvature of the first lock 105 and the second lock 106 is limited by a limiting component, causing the upper and lower ends of the first lock 105 and the second lock 106 to engage. After the upper ends of the first lock 105 and the second lock 106 are engaged, the top rod 107 is covered. After installation, the operator controls the movable end 101 of the screw jack to slide inside the fixed end 102. When the movable end 101 contacts the sliding plug... After the sensor 103 on 104 continues to slide, during this process, the movable end 101 pushes the sliding plug 104 to rise. Since the push rod 107 is fixedly connected to the sliding plug 104, the push rod 107 rises together with the sliding plug 104. During this process, since the first lock 105 and the second lock 106 are elastic, when the push rod 107 rises, the first lock 105 and the second lock 106 deform, which will squeeze the first lock 105 and the second lock 106 to separate. During this process, the sensor 103 is constantly pushed by the movable end 101 and provides real-time feedback on the value of the pushing force until the push rod 107 disengages from the coverage area of ​​the first lock 105 and the second lock 106, thus completing the detection of the locking force of the first lock 105 and the second lock 106. The advantage of this design is that, since the screw jack lifts in segments, it does not continuously exert force on the first lock 105 and the second lock 106. The segmented force on the first lock 105 and the second lock 106 makes it less likely to break.

[0030] As an optional implementation, the fixed end 102 is the mounting cylinder of the screw jack in the prior art, and the movable end 101 is the screw 108 in the prior art. The mounting cylinder has a mounting area 109 inside, and a driven bevel gear 110 is provided at the top of the mounting area 109. The screw 108 is threadedly connected to the driven bevel gear 110. A rotating rod 111 is rotatably provided on the mounting cylinder. A driving bevel gear 112 is provided at one end of the rotating rod 111 inside the mounting area 109. The driving bevel gear 112 and the driven bevel gear 110 mesh with each other. A lever handle 113 is provided at the end of the rotating rod 111 outside the mounting area 109. The lever handle 113 is used to form an integral structure with the rotating rod 111 after installation. A limiting groove 114 is provided on the screw 108, and a limiting protrusion 115 is provided on the inner wall of the mounting cylinder. The limiting protrusion 115 is used to slide inside the limiting groove 114, which plays a role in radially limiting the screw 108.

[0031] In use, the operator rotates the lever 113, causing the rotating rod 111 to rotate a certain distance. During this process, the rotation of the rotating rod 111 causes the driving bevel gear 112 to rotate, which in turn causes the driven bevel gear 110 to rotate. Since the driven bevel gear 110 rotates on the inner wall at the top of the installation area 109, due to the threaded engagement between the driven bevel gear 110 and the screw 108, the driven bevel gear 110 rotates in a fixed position and causes the screw 108 to be lifted inside the installation cylinder. (After the rotating rod 111 rotates in the opposite direction, the screw 108 descends inside the installation cylinder.) After the screw 108 rises, the lifting sensor 103 and the sliding plug 104 slide on the outer wall of the installation cylinder, thereby causing the top rod 107 to move. Finally, the locking force of the first lock 105 and the second lock 106 is detected.

[0032] It should be noted that in this embodiment, the screw jack composed of the movable end 101 and the fixed end 102 is a screw jack in the prior art; this embodiment only lists one type of screw jack structure, and this embodiment does not involve any improvement to the screw jack structure and working principle, which will not be described in detail here.

[0033] As another optional implementation, in this embodiment, the limiting assembly includes a long bolt 116, a locking nut 117, and an adjusting nut 118. The long bolt 116 passes through the first lock 105 and the second lock 106. The locking nut 117 and the adjusting nut 118 are both threaded onto the long bolt 116. The adjusting nut 118 is used to contact the second lock 106, and the locking nut 117 is used to contact the adjusting nut 118. The locking nut 117 does not contact the second lock 106. In use, since the first lock 105 and the second lock 106 are elastic, in order to better install the first lock 105 and the second lock 106, the long bolt 116 must first be... 6. Align the first lock 105 with the second lock 106, then screw the adjusting nut 118 onto the long bolt 116 and continuously rotate the adjusting nut 118 until the first lock 105 and the second lock 106 are straightened. Then install the locking nut 117 onto the long bolt 116 until the locking nut 117 and the adjusting nut 118 are tightly attached, thus completing the limiting of the first lock 105 and the second lock 106. When the first lock 105 and the second lock 106 are straight (because the first lock 105 and the second lock 106 are elastic, their original state is a bent state), the locking force of the first lock 105 and the second lock 106 can be better detected.

[0034] In some embodiments, the locking body structure further includes a locking piece 119, one end of which is connected to the sliding plug 104 and the other end of which is connected to the push rod 107.

[0035] In actual use, in order to further improve the stability and security of the locking body structure, a locking plate 119 is installed above the sliding plug 104. The locking plate 119 has an L-shaped structure, with its long end installed on the sliding plug 104 and its short end installed on the push rod 107. Both ends are installed on the sliding plug 104 and the push rod 107 respectively by bolts. When in use, after the first lock 105 and the second lock 106 are opened, they slide against the locking plate 119, so that the first lock 105 and the second lock 106 are limited when they expand outward, thereby further improving the installability of the first lock 105 and the second lock 106.

[0036] In some embodiments, both the first lock 105 and the second lock 106 are elastic elements.

[0037] As an optional implementation, in this embodiment, the first lock 105 and the second lock 106 are made of 35CrMo alloy steel, which has good elasticity.

[0038] In some embodiments, a support base 120 is provided on the fixed end 102, and the lower ends of the first lock 105 and the second lock 106 are used to engage with each other on the support base 120 and are fixed by bolts.

[0039] In actual use, the purpose of setting the support base 120 is to facilitate the fixing of the lower ends of the first lock 105 and the second lock 106, so that the lower ends of the first lock 105 and the second lock 106 can be stably fixed on the mounting cylinder.

[0040] In some embodiments, the detection device further includes a protective cover 121, and the spiral jack is disposed inside the protective cover 121.

[0041] In actual use, the purpose of setting up a protective cover is to effectively protect the staff and prevent the first lock 105 and the second lock 106 from breaking and flying everywhere.

[0042] In some embodiments, a fixing part 122 is provided inside the protective cover 121, and the fixing end 102 is detachably installed inside the protective cover 121 through the fixing part 122.

[0043] In actual use, the fixing part 122 is a fixing plate with an arc-shaped recess. One end of the fixing plate is connected to the protective cover 121, and the other end is detachably connected to the outer wall of the mounting cylinder.

[0044] In some embodiments, a miniature display screen 123 is provided on the outside of the protective cover 121. The miniature display screen 123 is connected to the sensor 103 through a controller and is used to display the values ​​of the sensor 103.

[0045] As an optional implementation, in this embodiment, the micro display screen 123 is the micro display screen 123 in the prior art, the sensor 103 is the pressure sensor 103 in the prior art, and the connection between the pressure sensor 103 and the micro display screen 123 is also the prior art. For details, please refer to the prior art with the publication number CN220795001U, which will not be described in detail here. In use, the micro display screen 123 can display the value of the pressure sensor 103 in real time, which makes it convenient for the staff to record the value of the pressure sensor 103.

[0046] In some embodiments, the sliding plug 104 is provided with a waist-shaped groove 124, and the fixed end 102 is provided with a limiting bolt 125. The limiting bolt 125 is located inside the waist-shaped groove 124 and is used to contact the inner wall of the waist-shaped groove 124.

[0047] In actual use, when the sliding plug 104 slides on the outer wall of the mounting cylinder, the limiting bolt 125 limits the sliding of the sliding plug 104 inside the waist-shaped groove 124 to prevent the sliding plug 104 from disengaging from the mounting cylinder.

[0048] In some embodiments, both the sliding plug 104 and the protective cover 121 are provided with wiring holes 126, which are used to make way for the wiring of the sensor 103.

[0049] In actual use, the purpose of setting the wiring hole 126 is to facilitate the connection of the line on the sensor 103 to the micro display outside the protective cover 121 after passing through the sliding plug 104 and the protective cover 121 in sequence.

[0050] In some embodiments, a limiting plate 127 is provided on the support base 120. The lower end face of the limiting plate 127 is used to contact the upper end faces of the first lock 105 and the second lock 106. The bolt is used to pass through the limiting plate 127 and be threadedly connected to the support base 120.

[0051] In actual use, the purpose of setting the limiting plate 127 is to facilitate better compression of the first lock 105 and the second lock 106. Due to the setting of the limiting plate 127, the contact area between the original bolt and the first lock 105 and the second lock 106 is increased, making the installation of the first lock 105 and the second lock 106 more stable.

[0052] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0053] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.

[0054] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0055] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A simple detection device for a locking body, comprising a screw jack consisting of a movable end and a fixed end, wherein the movable end is used for sliding engagement with the fixed end, characterized in that, Also includes: A locking body structure is used for mounting on the screw jack; A sensor is installed between the locking body structure and the screw jack, and is used to detect the pressure value when the movable end slides and squeezes the locking body structure. The locking body structure includes a sliding plug, a first lock, and a second lock. A top rod is provided on the sliding plug. The sliding plug is used to slide back and forth on the fixed end. A sensor is provided on the sliding plug. The lower ends of the first lock and the second lock are respectively connected to the fixed end. The middle ends are used to limit the movement by a limiting component. The upper ends are used to cover the top rod after relative contact.

2. The simplified detection device for the locking body according to claim 1, characterized in that: The locking body structure also includes a locking plate, one end of which is connected to the sliding plug, and the other end is connected to the top rod.

3. The simplified detection device for the locking body according to claim 1, characterized in that: Both the first and second locking mechanisms are elastic elements.

4. The simplified detection device for the locking body according to claim 1, characterized in that: A support base is provided on the fixed end, and the lower ends of the first lock and the second lock are used to fasten to each other on the support base and are fixed by bolts.

5. The simplified detection device for the locking body according to claim 1, characterized in that: The detection device also includes a protective cover, and the spiral jack is located inside the protective cover.

6. The simplified detection device for the locking body according to claim 5, characterized in that: The protective cover has a fixing part inside, and the fixing end can be detachably installed inside the protective cover through the fixing part.

7. The simplified detection device for the locking body according to claim 5, characterized in that: A miniature display screen is installed on the outside of the protective cover. The miniature display screen is connected to the sensor through a controller and is used to display the sensor values.

8. The simplified detection device for the locking body according to claim 1, characterized in that: The sliding plug is provided with a waist-shaped groove, and a limit bolt is provided on the fixed end. The limit bolt is located inside the waist-shaped groove and is used to contact the inner wall of the waist-shaped groove.

9. The simplified detection device for the locking body according to claim 5, characterized in that: Both the sliding plug and the protective cover are equipped with wiring holes, which are used to make way for the sensor's wiring.

10. The simplified detection device for the locking body according to claim 4, characterized in that: A limiting plate is provided on the support base. The lower end face of the limiting plate is used to contact the upper end faces of the first lock and the second lock. The bolt is used to pass through the limiting plate and be threaded to the support base.

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