Self-lubricating lock cylinder of motor home

Abstract

The utility model discloses a motor home self-lubricating lock cylinder which is characterized in that a protective cover is installed on the outer surface of one end of a lock shell in a clamped mode, elastic blades are installed in the lock shell in a sliding mode, a connecting ring is fixedly installed at the connecting position of the lock shell and the protective cover, and a sliding mechanism is arranged between the lock shell and the protective cover. Lubricating graphite powder is stored between the lock shell and the protective cover through the sliding mechanism, and the lubricating graphite powder can conveniently enter the lock shell for lubrication when the lock cylinder rotates. According to the motor home self-lubricating lock cylinder, when the motor home self-lubricating lock cylinder needs to be installed and used, the blocking piece can be pressed down, graphite lubricating powder is added into a gap between the blocking piece and the lock shell through a needle tube tool, the graphite lubricating powder can be stored between the lock shell and the protective cover, and after a key is inserted into the lock cylinder, the graphite lubricating powder can be brought into the lock shell; the lock cylinder can be lubricated every time a key is inserted and rotated, the service life of the lock cylinder is prolonged, and the probability that the lock cylinder is stuck and cannot be opened is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lock cores, in particular to a self-lubricating lock core for a motorhome. Background Technique

[0002] Since ancient times, locks have been a means of anti-theft. With the passage of time and the progress of technology, the upgrading of locks has also made the anti-theft safety level increasingly improved. The most important part of a lock is the lock core. The lock core is the heart of the lock, the main part that controls the opening of the lock. It is the heart of the lock. By matching with a key, it can rotate and drive the bolt to rotate to drive the core component to open the door or component. However, during long-term use, the components inside the lock are prone to jamming and inability to move, resulting in the lock core being unable to rotate normally, causing trouble in use. Content of the Utility Model

[0003] The purpose of the utility model is to provide a self-lubricating lock core for a motorhome to solve the problem that the lock core will jam and get stuck during long-term use, affecting its use as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A self-lubricating lock core for a motorhome, including a lock shell. One end outer surface of the lock shell is snap-fitted with a protective cover, and the side surface of the protective cover is attached to the outer surface of the lock shell. An elastic blade is slidably installed inside the lock shell, and a part of the elastic blade is located outside the lock shell. A connecting ring is fixedly installed at the connection between the lock shell and the protective cover, and the protective cover and the lock shell are concentrically designed. A fixing hole is opened at one end of the lock shell away from the protective cover. A sliding mechanism is arranged between the lock shell and the protective cover. Through the sliding mechanism, lubricating graphite powder is stored between the lock shell and the protective cover, facilitating the lubricating graphite powder to enter the lock shell for lubrication when the lock core rotates.

[0005] Preferably, the sliding mechanism includes: a retaining piece, which is slidably installed inside the protective cover. Through holes are provided on the outer surface of the protective cover, and the outer surface of the protective cover is attached to the side surface of the retaining piece. A groove is provided on the outer surface of the retaining piece, and a spring hose is fixedly installed at one end of the retaining piece.

[0006] By adopting the above technical solution, lubricating graphite powder can be added between the lock shell and the protective cover by pressing down the retaining piece with a tool, enabling the graphite powder to enter the inside of the lock shell from time to time when the key is inserted and rotated. The lubricating graphite powder can be stored between the lock shell and the protective cover, lubricating the retaining piece and the elastic blade, reducing the probability of the lock core getting stuck and unable to be used, and at the same time enabling the key to be inserted into the lock core more smoothly.

[0007] Preferably, a storage sealing box is provided inside the protective cover, and the outer surface of the storage sealing box is connected to the spring hose, and the spring hose runs through the outer surface of the storage sealing box, and a one-way mechanism is provided between the storage sealing box and the protective cover, through which the lubricating graphite powder can be sucked into the storage sealing box and sprayed out.

[0008] By adopting the above technical solution, the lubricated graphite powder can be sucked into the interior of the storage sealing box for storage and can be evenly sprayed outwards.

[0009] Preferably, the one-way mechanism includes: a snap-fit ​​plug, which is embedded in the two ends of the storage sealed box, and the outer surface of the storage sealed box is fitted with the outer surface of the lock shell, the outer surface of the snap-fit ​​plug is fixedly installed with a first one-way plastic sheet, and the outer surface of the first one-way plastic sheet is fitted with the outer surface of the snap-fit ​​plug, the first one-way plastic sheet is located inside the storage sealed box, and an absorption shell is fixedly installed inside the storage sealed box, and a second one-way plastic sheet is snap-fitted inside the absorption shell, and the outer surface of the second one-way plastic sheet is fitted with the inner surface of the absorption shell.

[0010] By adopting the above technical solution, the baffle can be pushed to slide by inserting the key, so that the baffle pushes the spring hose to move, allowing the air to be discharged from the storage sealed box. As the baffle and the spring hose are reset, the graphite lubricating powder in the lock shell and the protective cover is sucked into the interior of the storage sealed box for storage, and can be sprayed out from the storage sealed box.

[0011] Preferably, an extension tube is fixedly mounted on the outer surface of one end of the absorption shell, and one end of the extension tube is close to the bottom of the storage sealed box, and the storage sealed box is of arc-shaped design.

[0012] By adopting the above technical solution, the graphite lubricating powder entering the storage sealing box can be moved closer to the extension tube through the arc-shaped design of the storage sealing box, so that the graphite lubricating powder can be sprayed out more easily.

[0013] Preferably, an interlocking dispersion mechanism is provided between the lock housing and the storage sealing box, through which the sprayed lubricating graphite powder can be dispersed into the interior of the lock housing to lubricate the elastic blades and reduce the probability of the lock core getting stuck.

[0014] By adopting the above technical solution, the graphite lubricating powder can be connected to the interior of the lock shell through the plug-in tube, so that the lock shell and the protective cover can be assembled and connected more easily, and the sprayed graphite lubricating powder can more easily reach the interior of the lock shell for lubrication.

[0015] Preferably, the insertion and dispersion mechanism includes: an insertion pipe, which is fixedly installed on the side surface of the storage and sealing box, and the storage and sealing box is connected to the absorption housing. A spraying lubrication channel is arranged inside the lock housing, and through holes are evenly arranged on the outer surface of the spraying lubrication channel. The through holes of the spraying lubrication channel penetrate through the outer surface of the lock housing. A first lubrication spray port is arranged inside the lock housing and is connected to the spraying lubrication channel. At one end of the lock housing away from the first lubrication spray port, a second lubrication spray port is opened, and the second lubrication spray port penetrates through the outer surface of the lock housing. The second lubrication spray port is connected to the spraying lubrication channel, and the through holes of the spraying lubrication channel are located at the bottom of the lock housing. The outlet of the first lubrication spray port is located at the top of the lock housing, and the outlet of the second lubrication spray port is located in the middle of the lock housing.

[0016] By adopting the above technical solution, the graphite lubricating powder can be sprayed out through the spraying lubrication channel, the first lubrication spray port and the second lubrication spray port, so that the graphite lubricating powder can enter the inside of the lock housing evenly, and the lock core can be lubricated more fully.

[0017] Compared with the prior art, the beneficial effects of the present utility model are: the self-lubricating lock core of this RV:

[0018] 1. When it is necessary to install and use, the baffle can be pressed down, and graphite lubricating powder can be added into the gap between the baffle and the lock housing through a syringe tool, so that the graphite lubricating powder can be stored between the lock housing and the protective cover. After the key is inserted into the inside of the lock core, the graphite lubricating powder can be brought into the inside of the lock housing, so that the lock core can be lubricated every time the key is inserted and rotated, the service life of the lock core can be prolonged, and the probability of the lock core being stuck and unable to be opened can be reduced;

[0019] 2. When the key is inserted, the key will squeeze and push the baffle to move, so that the baffle drives the spring hose to be compressed. By compressing the spring hose, the air flushes open the second one-way plastic sheet, and at this time the first one-way plastic sheet will be closely attached to the fastening plug due to air pressure. Subsequently, when the key is pulled out, the baffle and the spring hose will reset, the first one-way plastic sheet will open and inhale the graphite lubricating powder into the storage and sealing box along with the air. At the same time, the second one-way plastic sheet will be closely attached to the outer surface of the absorption housing, so that the lubricating graphite powder can be inhaled into the inside of the storage and sealing box for storage, and at the same time, the graphite lubricating powder can be sprayed outwards;

[0020] 3. As the key is inserted into the lock core, the graphite lubricating powder in the storage and sealing box will be discharged through the extension pipe, discharged into the spraying lubrication channel through the insertion pipe, and the graphite lubricating powder can be sprayed into the upper, middle and lower parts inside the lock housing dispersedly through the spraying lubrication channel, the first lubrication spray port and the second lubrication spray port, so as to lubricate the elastic blades inside the lock housing, and the lock core can be lubricated more fully. Description of the Drawings

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the lock housing and the protective cover of the present utility model;

[0022] Figure 2 This is a sectional three-dimensional structural schematic diagram of the lock housing and the lubricating spray channel of the present utility model;

[0023] Figure 3 This is a three-dimensional structural schematic diagram of the retaining piece and the spring hose of the present utility model;

[0024] Figure 4 This is a sectional three-dimensional structural schematic diagram of the spring hose and the storage and sealing box of the present utility model;

[0025] Figure 5 This is a sectional three-dimensional structural schematic diagram of the absorption housing and the second one-way plastic sheet of the present utility model;

[0026] Figure 6 This is a sectional three-dimensional structural schematic diagram of the snap-in plug and the first one-way plastic sheet of the present utility model.

[0027] In the figure: 1. Lock housing; 2. Protective cover; 3. Retaining piece; 4. Spring hose; 5. Elastic blade; 6. Storage and sealing box; 7. Snap-in plug; 8. First one-way plastic sheet; 9. Extension tube; 10. Absorption housing; 11. Second one-way plastic sheet; 12. Insertion tube; 13. Lubricating spray channel; 14. First lubricating nozzle; 15. Second lubricating nozzle; 16. Fixing hole; 17. Connection ring. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figure 1-6 , the present utility model provides a technical solution: a self-lubricating lock core for a recreational vehicle, including a lock housing 1, one end outer surface of the lock housing 1 is snap-fitted with a protective cover 2, and the side surface of the protective cover 2 is attached to the outer surface of the lock housing 1. An elastic blade 5 is slidably installed inside the lock housing 1, and a part of the elastic blade 5 is located outside the lock housing 1. A connection ring 17 is fixedly installed at the connection between the lock housing 1 and the protective cover 2, and the protective cover 2 and the lock housing 1 are concentrically designed. A fixing hole 16 is opened at one end of the lock housing 1 away from the protective cover 2. A sliding mechanism is provided between the lock housing 1 and the protective cover 2. Through the sliding mechanism, lubricating graphite powder is stored between the lock housing 1 and the protective cover 2, facilitating the lubricating graphite powder to enter the lock housing 1 for lubrication when the lock core rotates.

[0030] The lock housing 1 and the protective cover 2 can be more firmly connected through the connecting ring 17. When the lock core is inserted into the lock through the connecting ring 17, it can rotate more smoothly, and the lock core can be fixed inside the lock through the fixing hole 16.

[0031] The sliding mechanism includes: a retaining piece 3, which is slidably installed inside the protective cover 2. There are through holes on the outer surface of the protective cover 2, and the outer surface of the protective cover 2 is in contact with the side surface of the retaining piece 3. There is a groove on the outer surface of the retaining piece 3, and one end of the retaining piece 3 is fixedly installed with a spring hose 4.

[0032] When a new lock core is inserted into the lock, the retaining piece 3 needs to be pressed down, and graphite lubricating powder is injected into the gap between the retaining piece 3 and the lock housing 1 through a tool. The graphite lubricating powder can fall and be stored inside the lock housing 1 and the protective cover 2. When the key is inserted into the lock core, it can bring the graphite lubricating powder into the inside of the lock housing 1 to lubricate the elastic blades 5 inside the lock housing 1, so as to extend the service life of the lock core and reduce the probability of jamming between the lock housing 1 and the elastic blades 5.

[0033] There is a storage and sealing box 6 inside the protective cover 2. The outer surface of the storage and sealing box 6 is connected to the spring hose 4, and the spring hose 4 penetrates through the outer surface of the storage and sealing box 6. A one-way mechanism is provided between the storage and sealing box 6 and the protective cover 2. Through the one-way mechanism, the lubricating graphite powder can be sucked into and ejected from the storage and sealing box 6. The one-way mechanism includes: a fastening plug 7, which is embedded at both ends of the storage and sealing box 6. The outer surface of the storage and sealing box 6 is in contact with the outer surface of the lock housing 1. A first one-way plastic sheet 8 is fixedly installed on the outer surface of the fastening plug 7, and the outer surface of the first one-way plastic sheet 8 is in contact with the outer surface of the fastening plug 7. The first one-way plastic sheet 8 is located inside the storage and sealing box 6. An absorption housing 10 is fixedly installed inside the storage and sealing box 6, and a second one-way plastic sheet 11 is snap-fitted inside the absorption housing 10, and the outer surface of the second one-way plastic sheet 11 is in contact with the inner surface of the absorption housing 10.

[0034] By means of the snap-in plug 7 and the first one-way plastic sheet 8 provided on the outer surface of the storage and sealing box 6, after the key is inserted into the lock core, it can push open the retaining piece 3, and drive the spring hose 4 to contract by the downward pressure of the retaining piece 3, so that the gas in the storage and sealing box 6 is discharged, causing the gas to push open the second one-way plastic sheet 11, and making the first one-way plastic sheet 8 closely adhere to the outer surface of the snap-in plug 7. After the key is pulled out of the lock core, the retaining piece 3 and the spring hose 4 will reset, and make the second one-way plastic sheet 11 closely adhere to the outer surface of the absorption housing 10, and can open the first one-way plastic sheet 8, sucking the graphite lubricating powder in the lock shell 1 and the protective cover 2 into the interior of the storage and sealing box 6 for storing the graphite lubricating powder, and can spray it out from the storage and sealing box 6, so that each time the key is inserted into the lock core, a part of the graphite lubricating powder can be sprayed out for long-term use lubrication.

[0035] One end of the outer surface of the absorption housing 10 is fixedly installed with an extension pipe 9, and one end of the extension pipe 9 is close to the bottom of the storage and sealing box 6, and the storage and sealing box 6 is designed in an arc shape.

[0036] Due to the arc design of the storage and sealing box 6, the graphite lubricating powder stored in the storage and sealing box 6 can be gathered towards the extension pipe 9, and at the same time, the graphite lubricating powder in the storage and sealing box 6 can be fully utilized through the extension pipe 9.

[0037] An insertion and dispersion mechanism is provided between the lock shell 1 and the storage and sealing box 6. Through the insertion and dispersion mechanism, the sprayed lubricating graphite powder can be dispersed into the interior of the lock shell 1 to lubricate the elastic blades 5 and reduce the probability of the lock core getting stuck.

[0038] When the lock shell 1 is connected to the protective cover 2 through the insertion pipe 12, docking and plugging can be carried out, so that the graphite lubricating powder in the storage and sealing box 6 can be sucked through the extension pipe 9 and discharged into the spraying lubrication channel 13 through the transportation of the absorption housing 10 and the insertion pipe 12.

[0039] The insertion and dispersion mechanism includes: an insertion pipe 12, which is fixedly installed on the side surface of the storage and sealing box 6, and the storage and sealing box 6 is connected to the absorption housing 10. There is a spraying lubrication channel 13 inside the lock shell 1, and through holes are evenly arranged on the outer surface of the spraying lubrication channel 13, and the through holes of the spraying lubrication channel 13 penetrate through the outer surface of the lock shell 1. There is a first lubrication spray port 14 inside the lock shell 1, and the first lubrication spray port 14 is connected to the spraying lubrication channel 13. At one end of the lock shell 1 far from the first lubrication spray port 14, a second lubrication spray port 15 is opened, and the second lubrication spray port 15 penetrates through the outer surface of the lock shell 1. The second lubrication spray port 15 is connected to the spraying lubrication channel 13, and the through holes of the spraying lubrication channel 13 are located at the bottom of the lock shell 1. The outlet of the first lubrication spray port 14 is located at the top of the lock shell 1, and the outlet of the second lubrication spray port 15 is located in the middle of the lock shell 1.

[0040] After inserting the key, the retaining piece 3 and the spring hose 4 will move, causing the graphite lubricating powder in the storage sealing box 6 to be sprayed into the interior of the lock housing 1, enabling the graphite lubricating powder to be evenly sprayed into the interior of the lock housing 1 through the spray lubrication channels 13, the first lubricating spray ports 14 and the second lubricating spray ports 15, so that the graphite lubricating powder can be evenly discharged into the upper, middle and lower parts of the lock housing 1 to fully lubricate the elastic blades 5, and the excess powder will leak out and contact the lock as the lock core rotates, improving the lubrication degree when the lock core rotates.

[0041] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-lubricating lock cylinder for a motor home, comprising a lock shell (1), a protective cover (2) being mounted on the outer surface of one end of the lock shell (1), and a side surface of the protective cover (2) being in contact with the outer surface of the lock shell (1), an elastic blade (5) being slidably mounted inside the lock shell (1), and a part of the elastic blade (5) being located outside the lock shell (1), a connecting ring (17) being fixedly mounted at the connection between the lock shell (1) and the protective cover (2), and the protective cover (2) and the lock shell (1) being concentrically designed, and a fixing hole (16) being provided at one end of the lock shell (1) away from the protective cover (2), characterized in that: A sliding mechanism is provided between the lock housing (1) and the protective cover (2), and lubricating graphite powder is stored between the lock housing (1) and the protective cover (2) through the sliding mechanism, so that the lubricating graphite powder can enter the lock housing (1) for lubrication when the lock core rotates.

2. The self-lubricating lock cylinder for a motorhome according to claim 1, characterized in that: The sliding mechanism comprises: a baffle (3), the baffle (3) being slidably mounted inside the protective cover (2), the outer surface of the protective cover (2) being provided with a through hole, the outer surface of the protective cover (2) being in contact with the side surface of the baffle (3), the outer surface of the baffle (3) being provided with a groove, and a spring hose (4) being fixedly mounted on one end of the baffle (3).

3. The self-lubricating lock cylinder for a motorhome according to claim 1, characterized in that: A storage sealing box (6) is arranged inside the protective cover (2), and the outer surface of the storage sealing box (6) is connected to the spring hose (4), and the spring hose (4) passes through the outer surface of the storage sealing box (6). A one-way mechanism is arranged between the storage sealing box (6) and the protective cover (2), and the lubricating graphite powder can be sucked into the storage sealing box (6) and sprayed out through the one-way mechanism.

4. The self-lubricating lock cylinder for a motorhome according to claim 3, characterized in that: The one-way mechanism comprises: a snap-fit ​​plug (7), wherein the snap-fit ​​plug (7) is embedded and installed at both ends of a storage sealed box (6), and the outer surface of the storage sealed box (6) is in contact with the outer surface of the lock shell (1); a first one-way plastic sheet (8) is fixedly installed on the outer surface of the snap-fit ​​plug (7), and the outer surface of the first one-way plastic sheet (8) is in contact with the outer surface of the snap-fit ​​plug (7); the first one-way plastic sheet (8) is located inside the storage sealed box (6), and an absorption shell (10) is fixedly installed inside the storage sealed box (6), and a second one-way plastic sheet (11) is snap-fitted and installed inside the absorption shell (10), and the outer surface of the second one-way plastic sheet (11) is in contact with the inner surface of the absorption shell (10).

5. The self-lubricating lock cylinder for a motor home according to claim 4, characterized in that: An extension tube (9) is fixedly mounted on the outer surface of one end of the absorption shell (10), and one end of the extension tube (9) is close to the bottom of the storage sealed box (6), and the storage sealed box (6) is of arc-shaped design.

6. The self-lubricating lock cylinder for a motor home according to claim 1, characterized in that: An interlocking dispersion mechanism is provided between the lock housing (1) and the storage sealing box (6), and the interlocking dispersion mechanism allows the sprayed lubricating graphite powder to be dispersed into the interior of the lock housing (1), thereby lubricating the elastic blades (5) and reducing the probability of the lock core getting stuck.

7. The self-lubricating lock cylinder for a motor home according to claim 6, characterized in that: The plug-in dispersing mechanism comprises: a plug-in tube (12), the plug-in tube (12) being fixedly mounted on the side surface of the storage sealing box (6), and the storage sealing box (6) being connected to the absorption shell (10); a lubrication spraying channel (13) being arranged inside the lock shell (1), and through holes being evenly arranged on the outer surface of the lubrication spraying channel (13), and the through holes of the lubrication spraying channel (13) penetrating the outer surface of the lock shell (1); a first lubrication nozzle (14) being arranged inside the lock shell (1), and the first lubrication nozzle (14) being connected to the absorption shell (10); A lubrication ejection channel (13) is connected to the lock housing (1); a second lubrication ejection channel (15) is provided at one end of the lock housing (1) away from the first lubrication ejection channel (14), and the second lubrication ejection channel (15) passes through the outer surface of the lock housing (1); the second lubrication ejection channel (15) is connected to the lubrication ejection channel (13), and the through hole of the lubrication ejection channel (13) is located at the bottom of the lock housing (1); the outlet of the first lubrication ejection channel (14) is located at the top of the lock housing (1), and the outlet of the second lubrication ejection channel (15) is located in the middle of the lock housing (1).

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