Spring lock

Abstract

The utility model discloses a spring lock, and belongs to the technical field of locks. The device comprises a base provided with a shifting groove and a limiting lock groove, and the limiting lock groove comprises a limiting section and a sliding section; the locking plate is mounted on the base in a sliding or rotating manner; the shifting handle is arranged in the shifting groove in a sliding mode, and the shifting handle is provided with a locking block stretching into the limiting locking groove; the first elastic piece is used for keeping the shifting handle at the initial end position of the shifting groove; the second elastic piece is used for keeping the locking plate abutting against the shifting handle; when the shifting handle slides in the shifting groove, the locking block slides in the sliding section; when the shifting handle is rotated, the lock block enters the limiting section and limits sliding of the shifting handle so as to limit the shifting handle to push the lock plate to unlock. By rotating the shifting handle, the lock block enters the limiting section of the limiting lock groove, sliding of the shifting handle is limited, the situation that a child directly pushes and pulls the shifting handle to unlock is prevented, the safety risk is reduced, and the safety of the shifting handle is improved. In addition, the spring lock is simple in overall structure, convenient to produce and good in economical efficiency.

Description

Technical Field

[0001] This utility model relates to the field of lock technology, and in particular to a bump lock. Background Technology

[0002] The locking principle of a bumper lock is that the inclined surface of the hook abuts against a spring-loaded locking plate. This spring, the locking plate rebounds, preventing the hook from disengaging and thus locking the bumper lock. To unlock, the locking plate is moved away from the hook, releasing the hook's restraint and opening the bumper lock. Moving the locking plate is usually done with a handle, which is easily pushed or pulled by children, potentially causing accidental unlocking and posing a significant safety risk. Utility Model Content

[0003] The purpose of this utility model is to provide a touch lock to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0004] The technical solution adopted to solve the above-mentioned technical problems is as follows: a latch lock, comprising: a base having an actuation groove and a limiting lock groove, the limiting lock groove including a limiting section and a sliding section; a lock piece, slidably or rotatably mounted on the base; a lever, slidably disposed in the actuation groove, the lever having a lock block extending into the limiting lock groove; a first elastic member for holding the lever at the initial end position of the actuation groove, at which time the lock block is located between the limiting section and the sliding section; a second elastic member for keeping the lock piece in contact with the lever; when the lever is pushed to slide against the elastic force of the first elastic member, the lever pushes the lock piece to move against the elastic force of the second elastic member, thereby realizing the unlocking action; when the lever slides in the actuation groove, the lock block slides in the sliding section; when the lever is rotated, the lock block enters the limiting section and restricts the sliding of the lever, thereby restricting the lever from pushing the lock piece to unlock.

[0005] This technical solution has at least the following beneficial effects: by rotating the lever, the lock block enters the limiting section of the locking groove, restricting the sliding of the lever and preventing children from unlocking the lock by simply pushing or pulling the lever, thus reducing safety risks and improving the safety of the lever. Furthermore, the overall structure of the latch lock is simple, easy to manufacture, and economical.

[0006] As a further improvement to the above technical solution, the end of the limiting segment away from the sliding segment is perpendicular to the sliding segment.

[0007] As a further improvement to the above technical solution, the base is slidably provided with a slider that abuts against the lever, and the first elastic element provides an elastic force that pushes the slider to the initial position of the lever groove.

[0008] As a further improvement to the above technical solution, the lever ring is provided with two positioning grooves corresponding to the positions of the locking block at both ends of the limiting section, and the slider is provided with a positioning block that can be embedded in the positioning groove.

[0009] As a further improvement to the above technical solution, the base is provided with a sliding groove for the slider to slide, and limit grooves are provided on both sides of the sliding groove. Limiting blocks are provided on both sides of the slider, which extend into the limit grooves and slide.

[0010] As a further improvement to the above technical solution, a base plate is installed on the side of the base where the locking piece is installed, the base plate has a guide groove, and the lever is provided with a guide block that slides in the guide groove.

[0011] As a further improvement to the above technical solution, a cap is fitted onto one end of the lever that extends out of the base, and a set screw is threaded through the cap and the lever together, with the threading direction of the set screw perpendicular to the fitting direction of the cap.

[0012] As a further improvement to the above technical solution, a protruding strip is provided at one end of the lever extending out of the base, and the cap is provided with a mounting hole for the lever to extend into, and a groove is provided on the side wall of the mounting hole for the protruding strip to be inserted.

[0013] As a further improvement to the above technical solution, for limiting the lock hook, the base is provided with a lock hole for the lock hook to extend into, one end of the lock plate is rotatably mounted on the base, the other end of the lock plate is located in the lock hole to limit the lock hook, and the lever is located between the lock hole and the rotation center of the lock plate.

[0014] As a further improvement to the above technical solution, two locking plates are provided, and the lever is located between the two locking plates. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0017] Figure 2 This is an exploded structural diagram of an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the locking hook structure in an embodiment of the present utility model;

[0019] Figure 4 This is a cross-sectional structural diagram of an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the base structure in an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the lever structure in an embodiment of the present invention;

[0022] Figure 7 This is a schematic diagram of the cap structure in an embodiment of the present utility model;

[0023] Figure 8 This is an installation diagram of an embodiment of the present utility model.

[0024] 100, Base; 110, Actuating groove; 120, Restricting lock groove; 121, Restricting section; 122, Sliding section; 200, Lock piece; 210, Second elastic element; 300, Actuating handle; 310, Lock block; 320, First elastic element; 330, Cap; 340, Set screw; 350, Raised strip; 360, Mounting hole; 370, Groove; 400, Sliding block; 410, Positioning block; 420, Positioning groove; 430, Sliding groove; 440, Limiting block; 450, Limiting groove; 500, Base plate; 510, Guide groove; 520, Guide block; 600, Lock hole; 610, Lock hook. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying 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.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] Reference Figure 1-8 A latch lock includes a base 100, a locking plate 200, a lever 300, a first elastic element 320, and a second elastic element 210.

[0030] A toggle groove 110 is provided in the middle of the base 100, and the toggle handle 300 passes through the toggle groove 110 in the middle and can slide along the length of the toggle groove 110. Two locking plates 200 are provided, and the bottom ends of the two locking plates are rotatably mounted at the bottom of the base 100. The middle parts of the two locking plates 200 are respectively located on the left and right sides of one end of the toggle handle 300.

[0031] The second elastic element 210 is a second helical spring. A mounting post is provided at the midpoint of the opposite side of the two locking plates 200. Mounting grooves are provided on both sides of the base 100. One end of the second helical spring is fitted into the mounting post of the locking plate 200, and the other end is fitted into the corresponding mounting groove on the base 100, thus facilitating the installation of the second helical spring. The elastic thrust of the second helical spring can push the locking plate 200 against the lever 300, causing the two locking plates 200 to clamp the lever 300, maintaining a preset distance between the two locking plates 200.

[0032] In other embodiments, the second elastic element 210 can also be a tension spring, with its two ends hooked onto the two locking plates 200 respectively, so that the elastic tension of the tension spring can be used to make the two locking plates 200 abut and clamp the lever 300. In other embodiments, the second elastic element 210 can also be a torsion spring, with two torsion springs respectively sleeved on the rotation shaft of the two locking plates 200, and the first elastic end abutting against the locking plate 200, and the other elastic end abutting against the base 100. The torsion force of the torsion spring can drive the locking plate 200 to rotate, thereby keeping the locking plate 200 in the state of abutting the lever 300.

[0033] The base 100 has a lock hole 600 at its top, with the lever 300 positioned between the rotation center of the lock plate 200 and the lock hole 600. The tops of the two lock plates 200 are located on the left and right sides of the lock hole 600, respectively. The end of the lock hook 610 is arrow-shaped. When locking, the lock hook 610 extends into the lock hole 600, causing it to push the two lock plates 200 away from each other against the force of the second helical spring. This allows the lock hook 610 to smoothly enter the lock hole 600 for automatic locking. After the lock hook 610 enters the lock hole 600, the two lock plates 200 restrict its movement, preventing it from disengaging from the lock hole 600 after automatic locking.

[0034] A sliding groove 430 is formed in the base 100 below the actuating groove 110. A slider 400 is slidably disposed in the sliding groove 430, and the sliding direction of the slider 400 in the sliding groove 430 is the same as the length direction of the actuating groove 110. Limiting grooves 450 are formed on both sides of the sliding groove 430, and limiting blocks 440 are provided on both sides of the slider 400. The two limiting blocks 440 slide in the limiting grooves 450 on the corresponding sides, thereby improving the sliding stability of the slider 400.

[0035] The first elastic element 320 is a first helical spring. An insertion hole is provided at the bottom of the slider 400. One end of the first helical spring is inserted into the insertion hole, and the other end abuts against the bottom of the base 100. The elastic force of the first helical spring can push the slider 400 upwards, causing the slider 400 to abut against the bottom of the lever 300 and push the lever 300 to slide to the upper position within the actuation groove 110. That is, the elastic force of the first helical spring can cause the slider 400 to push the lever 300 and hold the lever 300 in the upper position of the actuation groove 110. At this time, the limiting block 440 is at the top of the limiting groove 450, thereby restricting the sliding position of the slider 400 and improving the reliability of the slider 400's sliding.

[0036] One end of the lever 300 extends out of the actuation groove 110 and is fitted with a cap 330. The cap 330 is box-shaped, and a mounting hole 360 ​​is formed in the middle of one end of the cap 330. The cross-section of the mounting hole 360 ​​is oriented and adapted to one end of the lever 300 so that the end of the lever 300 can be inserted. A set screw 340 is provided on one side of the lever 300. The set screw 340 extends into the mounting hole 360 ​​and passes through the lever 300. The insertion direction of the set screw 340 is perpendicular to the direction in which the lever 300 is inserted into the mounting hole 360 ​​(i.e., the fitting direction of the cap 330), so that the set screw 340 can restrict the lever 300, completing the assembly connection between the lever 300 and the cap 330.

[0037] A protrusion 350 is provided at one end of the lever 300 where the cap 330 is installed, and a groove 370 is provided on the side wall of the mounting hole 360. The groove 370 is adapted to the protrusion 350 so that the cap 330 can be inserted into one end of the lever 300 at a preset fitting angle, so as to ensure that the set screw 340 can be installed normally.

[0038] By moving the cap 330, the lever 300 slides in the lever groove 110. The lever 300 overcomes the elastic force of the first helical spring and moves downward, so that the lever 300 can push the lock plates 200 on both sides to open outward, thereby releasing the lock plates 200 from the lock hook 610 and allowing the lock hook 610 to disengage from the lock hole 600 to unlock.

[0039] This can be understood as follows: one end of the lever 300 has a convex edge, and the two locking plates 200 have an inclined concave surface on their sides that are close to each other. When the lever 300 moves downward, it can push the two locking plates 200 to swing away from each other by contacting the inclined concave surface. Alternatively, if the width of the lever 300 is greater than the distance between the two locking plates 200 on their sides that are close to each other, the two locking plates 200 can be turned away from each other when the lever 300 moves downward.

[0040] Furthermore, since the rotation center of the lock plate 200 is located at a position where the lever 300 is away from the key hole 600, when the lever 300 pushes the lock plate 200 to swing, the end of the lock plate 200 located in the key hole 600 can move more significantly, thereby quickly unlocking the lock hook 610.

[0041] In other embodiments, the locking plate 200 may also be slidably disposed in the base 100, one end of the lever 300 is formed with a convex edge, and the side of the two locking plates 200 that is close to each other is provided with an inclined concave surface. When the lever 300 moves downward, it can push the two locking plates 200 to slide in a direction away from each other by contacting the inclined concave surface.

[0042] A base plate 500 is mounted on the base 100, and the base plate 500 is detachably connected to the base 100 by bolts. The base plate 500 and the locking plate 200 are both located on the same side of the base 100, and the rotation shaft of the locking plate 200 is mounted on both the base plate 500 and the base 100. The base plate 500 is provided with a guide groove 510, the length of which is parallel to the length of the actuation groove 110. A guide block 520 is provided at the end of the lever 300 facing the base plate 500. The guide block 520 is embedded in the guide groove 510, and when the lever 300 slides within the actuation groove 110, the guide block 520 slides synchronously within the guide groove 510. The base plate 500 clamps and restricts the lever 300, while also improving the sliding stability of the lever 300.

[0043] To improve the safety of the latch lock and reduce the chance of children accidentally opening it, a limiting lock groove 120 is provided on the side of the base 100 where the lock plate 200 is installed. The limiting lock groove 120 is divided into a limiting section 121 and a sliding section 122. The length direction of the sliding section 122 is the same as the length direction of the actuating groove 110. The limiting section 121 is located above the actuating groove 110, and the length direction of the end of the limiting section 121 away from the sliding section 122 is perpendicular to the length direction of the sliding section 122. The end of the limiting section 121 near the sliding section 122 is an arc-shaped section.

[0044] A locking block 310 is provided on one side edge of the lever 300, and the locking block 310 is embedded in the limiting locking groove 120. When the lever 300 slides in the actuation groove 110, the locking block 310 slides synchronously in the sliding section 122.

[0045] When the lever 300 is at the top of the actuation groove 110, the locking block 310 is positioned between the limiting section 121 and the sliding section 122. Rotating the lever 300 allows the locking block 310 to slide from the sliding section 122 into the limiting section 121. Because the limiting section 121 and the sliding section 122 have different directions, the limiting section 121 can restrict the sliding of the lever 300 by limiting the locking block 310. This prevents the lever 300 from sliding within the actuation groove 110 and opening the lock plate 200, thus achieving the purpose of locking the lever 300. This prevents children from accidentally pushing or pulling the lever 300 to unlock it, improving safety. Furthermore, the structure is simple, the parts are easy to process and assemble, and it is highly economical.

[0046] Furthermore, a positioning block 410 with a semi-circular cross-section is provided on the top of the slider 400, and the positioning block 410 is integrally formed with the slider 400. Two positioning grooves 420 are provided on the outer periphery of the lever 300. The positioning grooves 420 allow the positioning block 410 to be inserted into, positioning the angular position of the lever 300. When the positioning block 410 is inserted into the two positioning grooves 420 respectively, the locking block 310 in the lever 300 is at both ends of the limiting section 121, improving the locking feel of the lever 300.

[0047] In use, the base 100 is installed inside the profile, with one side having a lock hole 600 protruding from the side of the profile to allow the lock hook 610 to enter. After the lever 300 extends out of the outer surface of the profile, the cap 330 is installed. It is understood that the outer surface of the profile has a groove for the lever 300 to move. By moving the cap 330, the lock plate 200 can be pushed to unlock the lock hook 610. By rotating the cap 330, the lock block 310 enters the limiting section 121, which restricts the sliding of the lever 300, thereby locking the lever 300 to prevent children from accidentally pushing or pulling it, improving the safety and reliability of the latch lock.

[0048] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A touch lock, characterized in that, include: The base has a toggle groove and a locking groove, wherein the locking groove includes a limiting section and a sliding section; The locking plate is slidably or rotatably mounted on the base; A lever is slidably disposed within the lever groove, and the lever is provided with a locking block that extends into the limiting lock groove; The first elastic element is used to keep the lever in the initial position of the actuation groove, at which time the locking block is in the position between the limiting section and the sliding section; The second elastic element is used to keep the lock plate in contact with the lever; when the lever is pushed to slide against the elastic force of the first elastic element, the lever pushes the lock plate to move against the elastic force of the second elastic element, thereby realizing the unlocking action; when the lever slides in the lever groove, the lock block slides in the sliding section; when the lever is rotated, the lock block enters the limiting section and restricts the sliding of the lever, thereby restricting the lever from pushing the lock plate to unlock.

2. The latch lock according to claim 1, characterized in that: The end of the limiting segment furthest from the sliding segment is perpendicular to the sliding segment.

3. The latch lock according to claim 1, characterized in that: The base is slidably provided with a slider that abuts against the lever, and the first elastic element provides an elastic force that pushes the slider to the initial position of the lever groove.

4. The latch lock according to claim 3, characterized in that: The lever ring is provided with two positioning grooves corresponding to the positions of the locking block at both ends of the limiting section, and the slider is provided with a positioning block that can be embedded in the positioning groove.

5. The latch lock according to claim 3, characterized in that: The base has a sliding groove for the slider to slide in, and limit grooves are provided on both sides of the sliding groove. Limiting blocks are provided on both sides of the slider, which extend into the limit grooves and slide in respectively.

6. The latch lock according to claim 1, characterized in that: A base plate is installed on the side of the base where the locking plate is installed. The base plate has a guide groove, and the lever is provided with a guide block that slides in the guide groove.

7. The latch lock according to claim 1, characterized in that: The end of the lever extending out of the base is fitted with a cap, and the cap and the lever are both fitted with a set screw, the direction of the set screw being perpendicular to the direction of the cap being fitted.

8. The latch lock according to claim 7, characterized in that: The end of the lever extending out of the base is provided with a protrusion, the cap is provided with a mounting hole for the lever to extend into, and the side wall of the mounting hole is provided with a groove for the protrusion to be inserted.

9. A latch lock according to claim 1, used to restrict the latch hook, characterized in that: The base is provided with a lock hole for the lock hook to extend into. One end of the lock plate is rotatably mounted on the base, and the other end of the lock plate is located in the lock hole to restrict the lock hook. The lever is located between the lock hole and the rotation center of the lock plate.

10. A paddle lock according to claim 1, characterized in that: The lock plate is provided in two parts, and the lever is located between the two lock plates.

Images