Mechanical joint of manual lock for children
By incorporating an adjustment cover, a fixed toothed ring, and a limiting toothed ring structure into the mechanical joint of the child manual lock, and by setting a square rod pin, a snap-fit bracket, and a limiting plate inside the lock strap, the problem of low degree of freedom of the mechanical joint is solved, achieving better installation adaptability.
Patent Information
- Application Number
- CN202520288006.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-22
AI Technical Summary
The existing child-operated manual lock's mechanical joints have low degrees of freedom, making it impossible to fit snugly against the cabinet and affecting normal installation.
An adjustment cover, a fixed toothed ring, and a limiting toothed ring structure are set on the base, and the adjustment cover can be rotated at multiple angles by snapping. A square rod nail, a snap-fit bracket, and a limiting plate are set inside the lock band, and the swing angle of the lock band can be adjusted by snapping.
The increased degree of freedom in adjusting the mechanical joints allows the child-operated lock to fit the cabinet better, making installation easier.
Smart Images
Figure CN223805956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to children's hand lock technical field, concretely is a children's hand lock mechanical joint. BACKGROUND
[0002] Children's hand lock is a kind of safety device for preventing children from opening cabinet door, drawer, refrigerator door etc. accidentally. This kind of lock is usually simple in design, easy to install, and needs certain strength and skill to open, so as to ensure that children cannot easily operate, and the two lock heads need to be connected by mechanical joint, but the hand lock mechanical joint in the prior art has the problem of low degree of freedom in use, which leads to the problem that some hand locks cannot be normally installed. Therefore, the prior art needs to be improved. SUMMARY
[0003] The utility model discloses a children's hand lock mechanical joint, solve the problem that the degree of freedom of mechanical joint is lower.
[0004] To achieve the above object, the utility model provides the following technical scheme: a children's hand lock mechanical joint, including the base, the upper end of the base is contacted with the adjusting cover, the connecting lug is fixedly connected in the inside of the connecting lug of base and adjusting cover, the outside of the connecting lug is rotatably connected with the connecting frame, the outside of the connecting frame is fixedly connected with the lock band, the inside of the lock band is provided with adjusting mechanism, the upper end middle part of the base is fixedly connected with the fixed peg, the outside of the fixed peg is movably connected with the connecting cover, the outside of the fixed peg is provided with spring no.
[0005] Preferably, the connecting frame at the left end of the base is rotatably connected with the adjusting cover, the connecting frame at the right end of the base is rotatably connected with the base, the limit tooth ring is fixedly connected with the adjusting cover, and the limit tooth ring can be limited by the fixed tooth groove ring.
[0006] Preferably, the connecting cover is fixedly connected with the adjusting cover, and the connecting cover is in contact with the base, so that the adjusting cover can be moved by the connecting cover.
[0007] Preferably, one end of the spring no. is fixedly connected with the fixed peg, and the other end of the spring no. is fixedly connected with the connecting cover, so that the connecting cover can be automatically reset by the elastic force of the spring no..
[0008] Preferably, the adjusting mechanism comprises a recess wheel, the outer side of the connecting rod is fixedly connected with the recess wheel, the inner side of the lock belt is slidably connected with a square rod pin, one end of the square rod pin close to the recess wheel is fixedly connected with a clamping frame, the inner side of the lock belt is provided with a spring two, the outer side of the square rod pin is slidably connected with a limiting plate, and the clamping frame can limit the angle of the connecting frame and the lock belt through the recess wheel.
[0009] Preferably, the limiting plate is fixedly connected with the lock belt, and the clamping frame is clamped with the recess wheel.
[0010] Preferably, one end of the spring two is fixedly connected with the square rod pin, and the other end of the spring two is fixedly connected with the lock belt, and the spring two can drive the square rod pin to automatically reset through the elastic force.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The utility model discloses a connecting rod, a limiting plate, a spring two and a clamping frame are arranged on the lock belt, the spring two is arranged on the square rod pin, the clamping frame is arranged on the recess wheel, and the limiting plate is arranged on the square rod pin.
[0013] 2、The utility model discloses a connecting rod, a limiting plate, a spring two and a clamping frame are arranged on the lock belt, the spring two is arranged on the square rod pin, the clamping frame is arranged on the recess wheel, and the limiting plate is arranged on the square rod pin. ACCURACY OF DRAWINGS
[0014] Figure 1 It is the overall structure perspective drawing of the utility model;
[0015] Figure 2 It is the overall structure perspective drawing of the utility model; Figure 1 Figure 1 It is the overall structure perspective drawing of the utility model;
[0016] Figure 3 It is the overall structure perspective drawing of the utility model; Figure 1 Figure 2 It is the overall structure perspective drawing of the utility model;
[0017] Figure 4 It is the overall structure perspective drawing of the utility model; Figure 2
[0018] Figure 5 It is the overall structure perspective drawing of the utility model; Figure 3
[0019] Figure 6 The utility model discloses a Figure 5 The stereogram of the recess wheel is enlarged.
[0020] Figure 7 The utility model discloses a Figure 5 The stereogram of the clamping frame is enlarged.
[0021] In the drawing: 1, base; 2, adjusting cover; 3, connecting rod; 4, connecting frame; 5, lock belt; 6, adjusting mechanism; 7, fixed nail; 8, connecting cover; 9, spring one; 10, fixed tooth groove ring; 11, limit tooth ring; 61, recess wheel; 62, square rod nail; 63, clamping frame; 64, limit plate; 65, spring two. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 A child hand lock mechanical joint, including base 1, the upper end of base 1 is contacted with adjusting cover 2, the inner side of the connecting lug of base 1 and adjusting cover 2 is fixedly connected with connecting rod 3, the outer side of connecting rod 3 is rotatably connected with connecting frame 4, the outer side of connecting frame 4 is fixedly connected with lock belt 5, the inside of lock belt 5 is provided with adjusting mechanism 6, the upper end middle part of base 1 is fixedly connected with fixed nail 7, the outer side of fixed nail 7 is movably connected with connecting cover 8, the outer side of fixed nail 7 is provided with spring one 9, the upper end of base 1 is fixedly connected with fixed tooth groove ring 10, the upper end of fixed tooth groove ring 10 is clamped with limit tooth ring 11.
[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 Connecting frame 4 at the left end of base 1 is rotatably connected with adjusting cover 2, connecting frame 4 at the right end of base 1 is rotatably connected with base 1, limit tooth ring 11 is fixedly connected with adjusting cover 2, limit tooth ring 11 can limit adjusting cover 2 through fixed tooth groove ring 10, connecting cover 8 is fixedly connected with adjusting cover 2, connecting cover 8 contacts with base 1, connecting cover 8 can drive adjusting cover 2 to move, one end of spring one 9 is fixedly connected with fixed nail 7, the other end of spring one 9 is fixedly connected with connecting cover 8, spring one 9 can drive connecting cover 8 to reset automatically through elastic force.
[0025] Please refer toFigure 1 、 Figure 3 、 Figure 5 、 Figure 6 、 Figure 7 The adjusting mechanism 6 comprises a recess wheel 61, the outer side of the connecting rod 3 is fixedly connected with the recess wheel 61, the inner side of the lock belt 5 is slidably connected with a square rod nail 62, the end of the square rod nail 62 close to the recess wheel 61 is fixedly connected with a clamping frame 63, the inner side of the lock belt 5 is provided with a spring two 65, the outer side of the square rod nail 62 is slidably connected with a limiting plate 64, the clamping frame 63 can limit the angle of the connecting frame 4 and the lock belt 5 through the recess wheel 61, the limiting plate 64 is fixedly connected with the lock belt 5, the clamping frame 63 is clamped with the recess wheel 61, the limiting plate 64 can limit the square rod nail 62, one end of the spring two 65 is fixedly connected with the square rod nail 62, the other end of the spring two 65 is fixedly connected with the lock belt 5, and the spring two 65 can drive the square rod nail 62 to automatically reset through the elastic force.
[0026] The specific implementation process of the utility model is as follows: when it is necessary to adjust the mechanical joint, the adjusting cover 2 is pulled upwards, the adjusting cover 2 drives the limiting tooth ring 11 to move upwards, and spring one 9 is compressed through the connecting cover 8, when the limiting tooth ring 11 is separated from the fixed tooth groove ring 10, the adjusting cover 2 can be rotated, when the adjusting cover 2 drives the lock belt 5 installed thereon to rotate by a certain angle, the adjusting cover 2 is loosened, spring one 9 resets, spring one 9 can drive the limiting tooth ring 11 below the adjusting cover 2 to be clamped into the inside of the fixed tooth groove ring 10 again through the elastic force, then the lock belt 5 is swung, the lock belt 5 can drive the clamping frame 63 to move and compress spring two 65 through the inclined surface of the clamping frame 63 in the process of swinging, when the clamping frame 63 is separated from the current recess of the recess wheel 61, the limiting of the lock belt 5 can be released, then the lock belt 5 is swung to the release angle, spring two 65 resets, spring two 65 can drive the clamping frame 63 to be clamped into the recess after adjustment through the elastic force, so that the freedom of the mechanical joint can be effectively increased.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A mechanical joint for a child's hand operated lock comprising a base (1) characterised in that: The upper end of the base (1) is in contact with an adjusting cover (2), the connecting ears of the base (1) and the adjusting cover (2) are fixedly connected with connecting rods (3) inside, the outer side of the connecting rod (3) is rotatably connected with a connecting frame (4), the outer side of the connecting frame (4) is fixedly connected with a lock belt (5), the inside of the lock belt (5) is provided with an adjusting mechanism (6), the upper end of the base (1) is fixedly connected with a fixing nail (7), the outer side of the fixing nail (7) is movably connected with a connecting cover (8), the outer side of the fixing nail (7) is provided with a spring (9), the upper end of the base (1) is fixedly connected with a fixed tooth groove ring (10), and the upper end of the fixed tooth groove ring (10) is clamped with a limiting tooth ring (11).
2. A mechanical joint for a child-resistant lock mechanism according to claim 1, wherein: The connecting frame (4) located at the left end of the base (1) is rotatably connected with the adjusting cover (2), the connecting frame (4) located at the right end of the base (1) is rotatably connected with the base (1), and the limiting tooth ring (11) is fixedly connected with the adjusting cover (2).
3. A mechanical joint for a child-resistant lock mechanism according to claim 1, wherein: The connecting cover (8) is fixedly connected with the adjusting cover (2), and the connecting cover (8) is in contact with the base (1).
4. A mechanical joint for a child-resistant lock mechanism according to claim 1, wherein: One end of the spring (9) is fixedly connected with the fixing nail (7), and the other end of the spring (9) is fixedly connected with the connecting cover (8).
5. A mechanical joint for a child-resistant lock mechanism according to claim 1, wherein: The adjusting mechanism (6) comprises a groove wheel (61), the outer side of the connecting rod (3) is fixedly connected with the groove wheel (61), the inside of the lock belt (5) is slidably connected with a square rod nail (62), one end of the square rod nail (62) close to the groove wheel (61) is fixedly connected with a clamping frame (63), the inside of the lock belt (5) is provided with a spring (65), and the outer side of the square rod nail (62) is slidably connected with a limiting plate (64).
6. A mechanical joint for a child-resistant lock mechanism according to claim 5, wherein: The limiting plate (64) is fixedly connected with the lock belt (5), and the clamping frame (63) is clamped with the groove wheel (61).
7. A mechanical joint for a child-resistant lock mechanism according to claim 5, wherein: One end of the spring (65) is fixedly connected with the square rod nail (62), and the other end of the spring (65) is fixedly connected with the lock belt (5).