A motorhome lock

Abstract

The present invention discloses a RV lock, comprising a lock housing, a lock shaft, and a lock tongue. The lock tongue is fixedly connected to one end of the lock shaft, and the other end of the lock shaft is located in the lock housing. A cavity is provided in the lock housing, and an unlocking block is provided in the cavity. A key block is provided in the unlocking block, and a key hole is provided on the surface of the key block for inserting a key. A locking structure is provided in the unlocking block. When the locking structure unlocks the lock, the unlocking block is aligned with the inner pressure of the lock housing, and the key block automatically rotates to lock. Two pins, a first spring, and the restrictions of the lock housing are used to limit the rotation of the locking block in one direction, thereby locking the door lock. When the lock body is in the open state, when the unlocking block is pushed inward, the locking block changes from the original non-contact with the pin to contact again, so that the locking block itself is forced to rotate and rotate to the locked state. The key rotates by itself, and the user only needs to pull out the key, and there is no need to manually turn the key, which saves the step of turning the key and is more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to a motorhome lock. Background Art

[0002] An RV, also known as a home on wheels, combines the functions of a house and a car, but its attribute is still a car. It is a movable vehicle with the basic facilities necessary for a home.

[0003] With the continuous improvement of my country's economic level, the frequency of use of RVs in my country is also increasing. The door locks of cars often still use the driving mechanism of existing house door locks. Specifically, a connecting rod mechanism is used to drive the safety lock tongue. However, since RVs will be bumpy during use, the original connecting rod mechanism transmission is not tight enough and is easy to loosen, resulting in a loose door lock.

[0004] In view of the above problems, there is a lock that uses a single pin and a spring to lock the locking block, but the locking effect is not good. The lock is unlocked by a key. The rotation of the key can cause the unlocking block to pop out, and then the user can turn the unlocking block to open the door. However, if the lock needs to be locked, it is necessary to turn the key back to its original position and then press the unlocking block to lock it. This operation is more troublesome.

[0005] Therefore, there is a need for a RV lock that does not require manual turning of the key when locking. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a motorhome lock which does not require manual turning of a key, thereby eliminating the step of turning the key and is more convenient.

[0007] In order to solve the above technical problems, the present invention is solved through the following technical solutions: a motorhome lock, comprising a lock shell, a lock shaft, and a lock tongue, the lock tongue being fixedly connected to one end of the lock shaft, the other end of the lock shaft being located in the lock shell, a cavity being provided in the lock shell, an unlocking block being provided in the cavity, a key block being provided in the unlocking block, a key hole being provided on the surface of the key block for inserting the key, and a locking structure being provided in the unlocking block; when the locking structure unlocks the lock, the unlocking block is aligned with the lock shell and pressed down, and the key block automatically rotates to lock.

[0008] Further optimization, the locking structure includes a rotating disk and two centrally symmetrical pins, a first spring is connected between the two pins, a locking block is provided on the side of the rotating disk close to the pin, a space for engaging the locking block is formed between the two pins, a second spring is connected between the bottom of the unlocking block and the lock housing, and a third spring is connected between the bottom of the unlocking block and the lock shaft. The third spring is a connecting spring, which drives the lock shaft to rotate when the key is turned, and drives the lock tongue to unlock.

[0009] Further optimized, the tip includes a side block, the inner side of the side block is fixedly connected with a push rod and a long block, and the end of the long block away from the side block is also provided with an inclined block, and the inclined surface of the inclined block is used to abut against one end of the locking block.

[0010] Further optimization, when the key is turned to unlock the lock, the unlocking block pops out, the locking block and the pin are not in the same horizontal plane, and the unlocking block pops out; the unlocking block is aligned with the internal pressure of the lock shell, and the locking block forces itself to rotate under the action of the pin.

[0011] Further optimization is performed, wherein the first spring is connected between the two push rods.

[0012] For further optimization, a mounting plate is sleeved outside the lock housing, a threaded column is arranged on the mounting plate, and a threaded hole corresponding to the threaded column is arranged on the outer surface of the lock housing.

[0013] According to further optimization, a groove is provided on a side of the rotating disk away from the pin, and a protrusion adapted to the groove is provided at the bottom of the key block.

[0014] The specific operation steps of the present invention are as follows: in the initial state, the lock is in a locked state, at which time the two ends of the locking block are locked by two pins through the restriction of the first spring and the lock housing. At this time, the key is inserted into the keyhole in the key block, and then rotated 90 degrees in one direction. The key rotates, and the locking block is driven to rotate through the linkage structure of the key block and the rotating disk, so that the two pins no longer restrict the locking block, so that under the action of the second spring, the unlocking block pops out, and the lock is in an unlocked state. With the ejection of the unlocking block, the key block and the rotating disk also move outward for a distance, and the locking block also moves outward for a distance with the rotating disk. The locking block and the pins are out of contact and are not in the same horizontal plane, and then the user can rotate the unlocking block to open the door. At this time, if the lock body needs to be closed again, the unlocking block is rotated back to correspond to the lock housing, and the unlocking block is pushed inward. When the unlocking block is pushed inward, the locking block changes from the original non-contact with the pins to contact again, so that the locking block itself is forced to rotate, rotate to the locked state, and the key rotates back by itself, and the user only needs to pull out the key. Thereby, the user does not need to manually turn the key, which is more convenient.

[0015] The advantages of the present invention are as follows: 1. The locking structure of the spring, the pin and the locking block replaces the connecting rod mechanism in the prior art, which has a more solid feature and will not be unstable due to the bumps of the RV when used in the RV. 2. The two pins, the first spring and the lock body are used to limit the rotation of the locking block in one direction, thereby locking the door lock. When the lock body is in the open state, when the unlocking block is pushed inward, the locking block changes from the original non-contact with the pin to contact again, so that the locking block itself is forced to rotate and rotate to the locked state. The key rotates by itself, and the user only needs to pull out the key, and there is no need to manually turn the key, which saves the step of turning the key and is more convenient. 3. The present invention uses two pins and a spring connecting the two pins to make the locking block stably locked in the accommodation space formed by the two pins, and the locking is balanced and reliable. Compared with the prior art that uses one pin and a spring for locking, it has more stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the present invention. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a front view of a motorhome lock of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the top view of the present invention.

[0019] Figure 3 It is a schematic diagram of the structure of the present invention in which the key block is omitted in the top view.

[0020] Figure 4 It is a schematic diagram of the locking structure in the present invention.

[0021] Figure 5 It is a structural schematic diagram of the rotating disk in the present invention.

[0022] Figure 6 It is a schematic diagram of two pins forming an accommodation space in the present invention.

[0023] Figure 7 It is a structural schematic diagram of the key block in the present invention.

[0024] Figure 8 It is a schematic diagram of the specific connection positions of the second spring and the third spring in the present invention.

[0025] Fig. 9 It is a structural schematic diagram of the pin in the present invention.

[0026] In the figure: lock body 1, lock shaft 2, lock tongue 3, unlocking block 4, key block 5, rotating disk 6, pin 7, side block 701, push rod 702, long block 703, inclined block 704, first spring 8, locking block 9, second spring 10, third spring 11, mounting plate 12, threaded column 13, groove 14, protrusion 15. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions of various embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments described in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] An embodiment of the present invention provides a motorhome lock, such as Figures 1 to 9 As shown, it includes a lock housing 1, a lock shaft 2, and a lock tongue 3. The lock tongue 3 is fixedly connected to one end of the lock shaft 2, and the other end of the lock shaft 2 is located in the lock housing 1. A cavity is provided in the lock housing 1, and an unlocking block 4 is provided in the cavity. A key block 5 is provided in the unlocking block 4, and a key hole is provided on the surface of the key block 5 for inserting a key. A locking structure is provided in the unlocking block 4; when the locking structure unlocks the lock, the unlocking block 4 is aligned with the internal pressure of the lock housing 1, and the key block 5 automatically rotates to lock.

[0029] The surface of the unlocking block 4 is flush with the surface of the key block 5, so that the key block 5 can only be turned by inserting a key.

[0030] The locking structure includes a rotating disk 6 and two centrally symmetrical pins 7, a first spring 8 is connected between the two pins, a locking block 9 is provided on the side of the rotating disk 6 close to the pin 7, and a space for engaging the locking block 9 is formed between the two pins 7, a second spring 10 is connected between the bottom of the unlocking block 4 and the lock housing 1, and a third spring 11 is connected between the bottom of the unlocking block 4 and the lock shaft 2.

[0031] The pin includes a side block 701 , the inner side of which is fixedly connected with a stopper 702 and a long block 703 . An end of the long block 703 away from the side block 701 is also provided with an inclined block 704 , and the inclined surface of the inclined block 704 is used to abut against one end of the locking block 9 .

[0032] When the key is turned to unlock the lock, the unlocking block 4 pops out, and the locking block 9 is not in the same horizontal plane as the pin 7, so the unlocking block 4 pops out; the unlocking block 4 is aligned with the internal pressure of the lock housing 1, and the locking block 9 forces itself to rotate under the action of the pin 7.

[0033] The first spring 8 is connected between the two stop rods 702 .

[0034] The lock housing 1 is also provided with a mounting plate 12, on which a threaded column 13 is provided, and the outer surface of the lock housing 1 is provided with a threaded hole corresponding to the threaded column 13. The threaded hole and the threaded column 13 both play an auxiliary role in installing the RV lock on the door panel.

[0035] A groove 14 is provided on a side of the rotating disk 6 away from the pin 7 , and a protrusion 15 adapted to the groove 14 is provided at the bottom of the key block 5 .

[0036] The specific operation steps of the present invention are as follows: In the initial state, the lock is in a locked state. At this time, the two ends of the locking block 9 are locked by two pins through the restriction of the first spring 8 and the lock housing 1. At this time, the key is inserted into the keyhole in the key block 5, and then rotated 90 degrees in one direction. The key rotates, and the locking block 9 is driven to rotate through the linkage structure of the key block 5 and the rotating disk 6, so that the two pins no longer restrict the locking block 9, so that under the action of the second spring 10, the unlocking block 4 pops out, and the lock is in an unlocking state. With the ejection of the unlocking block 4, the key block 5 and the rotating disk also move outward for a distance, and the locking block 9 also moves outward for a distance with the rotating disk. The locking block 9 is out of contact with the pins and is not in the same horizontal plane, and then the user can rotate the unlocking block 4 to open the door. At this time, if the lock body needs to be closed again, the unlocking block 4 is rotated back to correspond to the lock housing 1, and the unlocking block 4 is pushed inward. When the unlocking block 4 is pushed inward, the locking block 9 changes from being not in the same horizontal plane and not in contact with the key to being in the same horizontal plane again, so that the locking block 9 is forced to rotate by itself under the action of the two pins 7 and rotates to the locked state. The key rotates by itself, and the user only needs to pull out the key. Therefore, the user does not need to manually rotate the key, which is more convenient.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A motorhome lock, comprising a lock housing, a lock shaft, and a lock tongue, wherein the lock tongue is fixedly connected to one end of the lock shaft, and the other end of the lock shaft is located in the lock housing, characterized in that: The lock housing is provided with a cavity, an unlocking block is provided in the cavity, a key block is provided in the unlocking block, a key hole for inserting a key is provided on the surface of the key block, and a locking structure is provided in the unlocking block; when the locking structure opens the lock, the unlocking block is aligned with the internal pressure of the lock housing, and the key block automatically rotates to lock, the locking structure comprises a rotating disk and two centrally symmetrical pins, a first spring is connected between the two pins, a locking block is provided on a side of the rotating disk close to the pin, a space for engaging the locking block is formed between the two pins, a second spring is connected between the bottom of the unlocking block and the lock housing, a third spring is connected between the bottom of the unlocking block and the lock shaft, the pin comprises a side block, a push rod and a long block are fixedly connected to the inner side of the side block, an inclined block is further provided at one end of the long block away from the side block, the inclined surface of the inclined block is used to abut one end of the locking block, when the key is rotated to unlock, the unlocking block pops out, the locking block and the pin are not in the same horizontal plane, and the unlocking block pops out; the unlocking block is aligned with the internal pressure of the lock housing, and the locking block forces itself to rotate under the action of the pin.

2. The RV lock according to claim 1, characterized in that: The first spring is connected between the two push rods.

3. The RV lock according to claim 1, characterized in that: A mounting plate is sleeved outside the lock housing, a threaded column is arranged on the mounting plate, and a threaded hole corresponding to the threaded column is arranged on the outer surface of the lock housing.

4. The RV lock according to claim 1, characterized in that: A groove is arranged on one side of the rotating disk away from the pin, and a convex block adapted to the groove is arranged at the bottom of the key block.

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