High-strength padlock
By using a combination of lock body and reinforcement sleeve in the padlock, combined with steel material and limit structure, the problem of existing padlocks being easily damaged in exposed environments is solved, achieving high strength, lightweight, low cost and convenient maintenance.
Patent Information
- Application Number
- CN202421067893.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-16
Smart Images

Figure CN222295987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a padlock, in particular to a high-strength padlock. Background Art
[0002] Padlocks are the oldest and largest family in the world of locks. It can be said that other locks are derived from padlocks. The lock body of a padlock is equipped with a metal stem in the shape of a ring or a letter "I", which can be buckled, that is, a "lock beam", so that the padlock is directly buckled with the lock body through the lock beam to form a closed lock. The lock body of existing padlocks is generally made of iron materials, but because the environment in which padlocks are used is mostly exposed to the outside environment, once the outside environment is humid or there is a large impact force from the outside, the iron padlock is easily damaged. Therefore, the existing padlocks have the problem of low strength after long-term use. Utility Model Content
[0003] The purpose of the utility model is to provide a high-strength padlock. The utility model has the advantage of high structural strength.
[0004] The technical solution of the utility model is as follows: a high-strength padlock comprises a lock body, on which a reinforcement sleeve is sleeved; openings for passing the lock body are arranged on both side surfaces of the reinforcement sleeve, and two symmetrically distributed lock beam through holes are arranged on the top surface of the reinforcement sleeve; a key through hole for inserting a key is arranged on the bottom surface of the reinforcement sleeve, and connecting holes are arranged on both sides of the key through hole, and a fixing piece for fixing the lock body and the reinforcement sleeve is installed in each connecting hole; the reinforcement sleeve is used to protect the outer side of the lock body, and the main material of the reinforcement sleeve and the lock body can be adjusted according to actual conditions, thereby improving the flexibility of use; and compared with the previous padlock that is made of the same high-strength material, while ensuring the strength of the entire padlock, the overall mass of the entire padlock can also be reduced; the connecting hole and the fixing piece can increase the stability of the connection between the lock body and the reinforcement sleeve, thereby improving the structural strength.
[0005] In the aforementioned high-strength padlock, two symmetrically distributed limiting convex strips are provided on the inner bottom surface of the reinforcement sleeve; two symmetrically distributed limiting grooves are provided on the bottom surface of the lock body, and the limiting grooves and the limiting convex strips cooperate with each other; by utilizing the cooperation between the limiting convex strips and the limiting grooves, a connection limiting structure between the reinforcement sleeve and the lock body is added, thereby improving the stability of the connection between the reinforcement sleeve and the lock body.
[0006] In the aforementioned high-strength padlock, two symmetrically distributed limiting convex strips are also provided on the inner top surface of the reinforcement sleeve; two symmetrically distributed limiting grooves are also provided on the top surface of the lock body, and the limiting grooves and the limiting convex strips cooperate with each other.
[0007] In the aforementioned high-strength padlock, the reinforcement sleeve is made of a high-hardness material such as steel.
[0008] In the aforementioned high-strength padlock, the lock body is made of iron.
[0009] Compared with the prior art, the utility model improves the existing padlock by configuring the entire padlock to consist of a lock body and a reinforcement sleeve sleeved on the lock body, using the reinforcement sleeve to protect the outer side of the lock body, and being able to adjust the main materials of the reinforcement sleeve and the lock body according to actual conditions, thereby improving the flexibility of use; and compared with the previous padlock that is made of the same high-strength material, while ensuring the strength of the entire padlock, the overall mass of the entire padlock can be reduced; similarly, when repairing the padlock, the lock body can be directly removed from the reinforcement sleeve, which is convenient for repair; by providing a lock beam through hole and a key through hole on the reinforcement sleeve, the padlock can be stably opened and closed; at the same time, by providing connecting holes on both sides of the key through hole, fixing parts are provided in the connecting holes, and the connecting holes and the fixing parts can be used to increase the stability of the connection between the lock body and the reinforcement sleeve, thereby improving the structural strength.
[0010] In addition, the utility model also provides a limiting convex strip on the inner bottom surface of the reinforcement sleeve, and provides a corresponding limiting groove on the lock body, and uses the limiting convex strip and the limiting groove to cooperate with each other to increase the connection limiting structure between the reinforcement sleeve and the lock body, thereby improving the stability of the connection between the reinforcement sleeve and the lock body; by providing limiting convex strips and limiting grooves on both upper and lower end surfaces of the reinforcement sleeve and the lock body, the stability of the structure is further improved; and the limiting convex strip and the limiting groove can also guide the sliding of the lock body in the reinforcement sleeve, which is convenient for assembly; by using steel material for the reinforcement sleeve and iron material for the lock body, the high strength of the entire padlock is ensured while reducing the production cost. Therefore, the utility model can not only improve the structural strength of the entire padlock, but also has the advantages of light weight, convenient maintenance, high flexibility in use, high structural stability and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a side view of the utility model;
[0013] Figure 3 It is a bottom view of the utility model.
[0014] The markings in the attached drawings are: 1-lock body, 2-reinforcement sleeve, 3-lock beam through hole, 4-key through hole, 5-connecting hole, 6-fixing piece, 7-limiting convex strip, 8-limiting groove. DETAILED DESCRIPTION
[0015] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.
[0016] Embodiment. A high-strength padlock, comprising: Figures 1 to 3 As shown, it includes a lock body 1, on which a reinforcement sleeve 2 is sleeved; openings for passing the lock body 1 are provided on both side surfaces of the reinforcement sleeve 2, and two symmetrically distributed lock beam through holes 3 are provided on the top surface of the reinforcement sleeve 2; a key through hole 4 for inserting a key is provided on the bottom surface of the reinforcement sleeve 2, and connecting holes 5 are provided on both sides of the key through hole 4, and a fixing part 6 for fixing the lock body 1 and the reinforcement sleeve 2 is installed in each connecting hole 5.
[0017] Two symmetrically distributed limiting ridges 7 are provided on the inner bottom surface of the reinforcement sleeve 2; two symmetrically distributed limiting grooves 8 are provided on the bottom surface of the lock body 1, and the limiting grooves 8 cooperate with the limiting ridges 7; two symmetrically distributed limiting ridges 7 are also provided on the inner top surface of the reinforcement sleeve 2; two symmetrically distributed limiting grooves 8 are also provided on the top surface of the lock body 1, and the limiting grooves 8 cooperate with the limiting ridges 7; the reinforcement sleeve 2 is made of steel; the lock body 1 is made of iron.
[0018] Working principle: During assembly, the end face of the lock body 1 with the lock beam hole needs to face upwards, and the end face of the reinforcement sleeve 2 with the lock beam through hole 3 needs to face upwards, and then the limiting convex strip 7 on the reinforcement sleeve 2 is aligned with the limiting groove 8 on the lock body 1, and the reinforcement sleeve 2 is put on the lock body 1 from the side of the lock body 1, and finally the fixing piece 6 and the connecting hole 5 are used to further increase the connection strength between the reinforcement sleeve 2 and the lock body 1; thereby, the entire padlock is composed of the lock body 1 and the reinforcement sleeve 2, the lock body 1 is generally made of iron, and the reinforcement sleeve is generally made of high-strength materials such as steel, and the reinforcement sleeve 2 made of high-strength material is used to protect the outside of the lock body, which improves the strength of the entire padlock while making the overall quality of the entire padlock lower than that of a padlock made entirely of high-strength materials, and the production cost is also reduced.
Claims
1. A high-strength padlock, characterized in that: The invention comprises a lock body (1), on which a reinforcement sleeve (2) is sleeved; openings for passing the lock body (1) are provided on both side surfaces of the reinforcement sleeve (2), and two symmetrically distributed lock beam through holes (3) are provided on the top surface of the reinforcement sleeve (2); a key through hole (4) for inserting a key is provided on the bottom surface of the reinforcement sleeve (2), and connecting holes (5) are provided on both sides of the key through hole (4), and a fixing piece (6) for fixing the lock body (1) and the reinforcement sleeve (2) is installed in each connecting hole (5).
2. A high-strength padlock according to claim 1, characterized in that: Two symmetrically distributed limiting convex strips (7) are provided on the inner bottom surface of the reinforcement sleeve (2); two symmetrically distributed limiting grooves (8) are provided on the bottom surface of the lock body (1), and the limiting grooves (8) and the limiting convex strips (7) cooperate with each other.
3. A high-strength padlock according to claim 2, characterized in that: The inner top surface of the reinforcement sleeve (2) is also provided with two symmetrically distributed limiting convex strips (7); the top surface of the lock body (1) is also provided with two symmetrically distributed limiting grooves (8), and the limiting grooves (8) and the limiting convex strips (7) cooperate with each other.
4. A high-strength padlock according to claim 1, characterized in that: The reinforcement sleeve (2) is made of steel.
5. A high-strength padlock according to any one of claims 1 to 4, characterized in that: The lock body (1) is made of iron.
