Novel lock cylinder
By introducing a dustproof mechanism into the lock cylinder, and utilizing the rotating sealing function of the dust cover and the return spring, the problem of dust intrusion caused by exposed keyholes is solved, thus extending the service life of the lock cylinder.
Patent Information
- Application Number
- CN202423055266.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-11
AI Technical Summary
The keyhole of the existing lock cylinder is exposed, which allows dust to enter and damage the internal precision components, shortening its service life.
A lock cylinder with a dustproof mechanism was designed, including a dust cover, a support shaft, and a return spring. By rotating the spring, the keyhole is sealed to prevent dust from entering.
It effectively prevents dust from entering the keyhole and extends the service life of the lock cylinder.
Smart Images
Figure CN223675998U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of lock cylinder, concretely to a novel lock cylinder. BACKGROUND
[0002] Lock cylinder, as the core component of lockset, is praised as the "heart" of lockset. It is closely connected with the key, and together constitutes the opening mechanism of lockset. The main function of lock cylinder is to control the opening of lock, which is usually made of high-quality materials such as copper and stainless steel to ensure its firmness and durability. Its internal structure is complex and precise, containing many springs and leaves. These elements accurately control the opening and closing of the lock tongue through rotation and pushing, thereby realizing the locking and unlocking functions of lockset.
[0003] At present, the keyhole of the existing lock cylinder is generally exposed to the outside, and the dust in the air can directly enter the keyhole. After long-term use, the dust will damage the precise components such as leaves and springs in the keyhole, thereby easily shortening the service life of the lock cylinder. CONTENT OF THE UTILITY MODEL
[0004] Therefore, the utility model aims to provide a novel lock cylinder to solve the technical problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel lock cylinder, comprising a lock cylinder main body, a lock cylinder, a rotating block, a lock rod and a spring B, the outer side of the lock cylinder main body is provided with a lock cylinder, the inner side of the lock cylinder is slidably connected with a short billiard ball, the short billiard ball and the lock cylinder are connected with a spring A, the inner side of the lock cylinder main body is slidably connected with a long billiard ball matched with the short billiard ball.
[0006] One end of the inside of the lock cylinder main body is provided with a dustproof mechanism, the dustproof mechanism comprises a dustproof cover, a supporting shaft and a return spring, and the dustproof cover is movably connected in the inside of the lock cylinder main body.
[0007] Preferably, both ends of the dustproof cover are provided with supporting shafts, and the dustproof cover and the lock cylinder main body constitute a rotating structure through the supporting shafts.
[0008] Preferably, the dustproof cover and the lock cylinder main body are connected with a return spring, and the dustproof cover and the lock cylinder main body constitute an elastic structure through the return spring.
[0009] Preferably, the return spring and the supporting shaft are symmetrically provided with two groups about the central axis of the dustproof cover, and one end of the two dustproof covers close to each other is provided as an arc.
[0010] Preferably, the other end of the inside of the lock cylinder main body is provided with an ejection mechanism, and the ejection mechanism is composed of a top plate, a guide rod and a supporting spring.
[0011] Preferably, the guide rod is symmetrically arranged inside the lock cylinder body, the top plate is slidably connected to the outer surface of the guide rod, and the support spring sleeved on the outer surface of the guide rod is arranged between the top plate and the lock cylinder body, and the top plate and the lock cylinder body form an elastic structure through the support spring.
[0012] Preferably, the lock cylinder body is provided with a rotating block on the outer side, the lock cylinder is slidably connected with a lock rod in the inside, and the lock rod and the lock cylinder are connected with a spring B, and the lock rod and the lock cylinder form an elastic structure through the spring B.
[0013] In summary, the utility model mainly has the following beneficial effects:
[0014] The dustproof mechanism is arranged, the dustproof cover and the lock cylinder body are rotatably connected through the support shaft, and are elastically connected through the reset spring, so that after the key is pulled out, the dustproof cover rotates around the support shaft under the action of the reset spring and resets, so that the keyhole can be plugged by the symmetrically arranged dustproof covers, so that the dust in the air can be prevented from directly entering the keyhole and damaging the precision components in the keyhole, thereby prolonging the service life of the lock cylinder body. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional cutaway exploded structural schematic view of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic view of the lock cylinder body of the utility model;
[0017] Figure 3 It is a three-dimensional structural schematic view of the dustproof mechanism of the utility model;
[0018] Figure 4 It is a three-dimensional structural schematic view of the ejection mechanism of the utility model.
[0019] In the drawing: 1, lock cylinder body; 2, lock cylinder; 3, long marble; 4, short marble; 5, spring A; 6, rotating block; 7, lock rod; 8, spring B; 9, dustproof mechanism; 901, dustproof cover; 902, support shaft; 903, reset spring; 10, ejection mechanism; 1001, top plate; 1002, guide rod; 1003, support spring. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used to explain the utility model, and cannot be understood as limiting the utility model.
[0021] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0022] A new lock cylinder, as shown in Figure 1 and Figure 1 , comprising a lock cylinder body 1, a lock cylinder 2, a rotating block 6, a lock rod 7 and a spring B 8, the outer side of the lock cylinder body 1 is provided with the lock cylinder 2, the inner side of the lock cylinder 2 is slidably connected with the short pin 4, the spring A 5 is connected between the short pin 4 and the lock cylinder 2, the inner side of the lock cylinder body 1 is slidably connected with the long pin 3 matched with the short pin 4, the outer side of the lock cylinder body 1 is provided with the rotating block 6, the inner side of the lock cylinder 2 is slidably connected with the lock rod 7, the lock rod 7 and the lock cylinder 2 are connected with the spring B 8, and the lock rod 7 and the lock cylinder 2 constitute an elastic structure through the spring B 8;
[0023] As shown in Figure 1 and Figure 2 , the key is inserted into the keyhole, the key pushes the long pin 3 and the short pin 4, and the long pin 3 is retracted into the lock cylinder body 1, at this time, the lock cylinder body 1 can be rotated by rotating the key, and because the lock rod 7 and the lock cylinder 2 are elastically connected through the spring B 8, the lock rod 7 will slide along the rotating block 6 under the action of the spring B 8 and reset, so that the lock can be easily opened.
[0024] As shown in Figure 1 and Figure 3 , one end of the lock cylinder body 1 is provided with a dustproof mechanism 9, the dustproof mechanism 9 comprises a dustproof cover 901, a supporting shaft 902 and a reset spring 903, the dustproof cover 901 is movably connected in the lock cylinder body 1, both ends of the dustproof cover 901 are provided with the supporting shaft 902, the dustproof cover 901 and the lock cylinder body 1 constitute a rotating structure through the supporting shaft 902, the dustproof cover 901 and the lock cylinder body 1 are connected with the reset spring 903, the dustproof cover 901 and the lock cylinder body 1 constitute an elastic structure through the reset spring 903, the reset spring 903 and the supporting shaft 902 are symmetrically provided with two groups about the central axis of the dustproof cover 901, and the ends of the two dustproof covers 901 close to each other are arc-shaped.
[0025] As shown in Figure 1 and Figure 3 , because the dustproof cover 901 and the lock cylinder body 1 are rotatably connected through the supporting shaft 902 and elastically connected through the reset spring 903, after the key is pulled out, the dustproof cover 901 will rotate about the supporting shaft 902 under the action of the reset spring 903 and reset, so that the keyhole can be blocked by the symmetrically arranged dustproof covers 901, so that the dust in the air can be prevented from directly entering the keyhole and damaging the precision components inside, thereby prolonging the service life of the lock cylinder body 1.
[0026] As shown in Figure 1 andFigure 4 It can be known that the other end of the lock core body 1 is provided with an ejection mechanism 10, the ejection mechanism 10 is composed of a top plate 1001, a guide rod 1002 and a supporting spring 1003, the guide rod 1002 is symmetrically arranged in the inside of the lock core body 1, the top plate 1001 is slidingly connected to the outer surface of the guide rod 1002, the supporting spring 1003 is connected between the top plate 1001 and the lock core body 1 and is sleeved on the outer surface of the guide rod 1002, and the top plate 1001 and the lock core body 1 form an elastic structure through the supporting spring 1003.
[0027] Referring to Figure 1 And Figure 4 It can be known that, since the top plate 1001 and the lock core body 1 are elastically connected through the supporting spring 1003, and the top plate 1001 and the lock core body 1 are slidingly connected through the guide rod 1002, when the key is used and is not pressed, the top plate 1001 is reset under the action of the supporting spring 1003 and performs an ejection operation on the key, so that the key is not easy to be pulled out from the keyhole after the lock core body 1 is used for a long time, thereby making the use of the lock core body 1 more convenient.
[0028] The working principle of the utility model is: when the novel lock core is used, the key is inserted into the keyhole, the key pushes the long and short marbles 3 and 4 and makes the long marble 3 retract into the lock core body 1, at this time, the lock rod 7 is reset under the action of the spring B8 by rotating the key and the lock core body 1 and sliding along the rotating block 6, thereby the lock can be opened conveniently, after the key is pulled out, the dust cover 901 rotates around the supporting shaft 902 under the action of the reset spring 903 and is reset, thereby the keyhole can be blocked by the symmetrically arranged dust covers 901, so that the dust in the air can be prevented from directly entering the keyhole and damaging the precise elements in the keyhole, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.
[0029] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A novel lock cylinder, comprising a lock cylinder body (1), a lock cylinder (2), a rotating block (6), a lock rod (7), and a spring B (8), characterized in that: A lock cylinder (2) is provided on the outer side of the lock cylinder body (1), a short pin (4) is slidably connected to the inner side of the lock cylinder (2), a spring A (5) is connected between the short pin (4) and the lock cylinder (2), and a long pin (3) matching the short pin (4) is slidably connected to the inner side of the lock cylinder body (1). A dustproof mechanism (9) is provided at one end of the lock cylinder body (1). The dustproof mechanism (9) includes a dustproof cover (901), a support shaft (902), and a return spring (903). The dustproof cover (901) is movably connected inside the lock cylinder body (1).
2. The novel lock cylinder according to claim 1, characterized in that: Both ends of the dust cover (901) are provided with support shafts (902), and the dust cover (901) and the lock cylinder body (1) form a rotating structure through the support shafts (902).
3. A novel lock cylinder according to claim 2, characterized in that: A return spring (903) is connected between the dust cover (901) and the lock cylinder body (1), and the dust cover (901) and the lock cylinder body (1) form an elastic structure through the return spring (903).
4. A novel lock cylinder according to claim 3, characterized in that: The reset spring (903) and the support shaft (902) are both arranged symmetrically about the central axis of the dust cover (901) in two sets, and the ends of the two dust covers (901) that are close to each other are set in an arc shape.
5. A novel lock cylinder according to claim 1, characterized in that: The other end of the lock cylinder body (1) is provided with an ejection mechanism (10), which consists of a top plate (1001), a guide rod (1002) and a support spring (1003).
6. A novel lock cylinder according to claim 5, characterized in that: The guide rod (1002) is symmetrically arranged inside the lock cylinder body (1). The top plate (1001) is slidably connected to the outer surface of the guide rod (1002). A support spring (1003) sleeved on the outer surface of the guide rod (1002) is connected between the top plate (1001) and the lock cylinder body (1). The top plate (1001) and the lock cylinder body (1) form an elastic structure through the support spring (1003).
7. A novel lock cylinder according to claim 1, characterized in that: A rotating block (6) is provided on the outside of the main body (1) of the lock cylinder, and a locking rod (7) is slidably connected inside the lock cylinder (2). A spring B (8) is connected between the locking rod (7) and the lock cylinder (2). The locking rod (7) and the lock cylinder (2) form an elastic structure through the spring B (8).