Positioning mechanism and RV

Abstract

The present invention relates to the technical field of RVs, and discloses a positioning mechanism, including a first positioning component and a second positioning component that cooperate with each other, the end of the telescopic part of the first positioning component is set in a conical shape, and the second positioning component is provided with a conical hole that is convenient for automatic alignment with the end of the telescopic part of the first positioning component; the first positioning component includes an electromagnetic drive part, a manual drive part coaxially inserted in the electromagnetic drive part, and a telescopic part slidably arranged at one end of the electromagnetic drive part and slidably matched with the manual drive part, the manual drive part is provided with a limiting structure that cooperates with the electromagnetic drive part, and the telescopic part is set as a magnetic metal part. The positioning mechanism designed in this way has a simple structure and is convenient and practical, and can make the positioning between components more stable and reliable; in addition, the present invention also provides a motorhome, which effectively improves the positioning stability and reliability of the expansion warehouse through the setting of the positioning mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of recreational vehicles, and in particular to a positioning mechanism and a recreational vehicle. Background Art

[0002] During the driving process of the RV, affected by the road conditions, it is inevitable that the expansion compartment and the interior of the car will have a relative motion relationship and shake, which will then cause vibration or collision. If there is no relatively stable and reliable positioning mechanism between the two components, it will cause greater wear and tear on the two components, and also bring many hidden dangers to driving. When the parking expansion compartment is expanded for load-bearing use, the expansion mechanism often has a certain activity gap. When someone is active in the expansion compartment, the moving parts not only bear the gravity of the expansion compartment, but also have a certain vibration, which increases the load and wear of the expansion mechanism, and also brings certain sealing risks to the waterproof sealing components. Therefore, a more stable and reliable positioning mechanism is needed. In the related technology, although there are many positioning mechanisms for increasing the positioning stability of the two components, most of them have relatively single functions, relatively complex structures, and poor positioning stability and operability. Summary of the invention

[0003] The first object of the present invention is to provide a positioning mechanism which has a simple structure, stable and reliable positioning, and is convenient and practical.

[0004] The second purpose of the present invention is to provide a motorhome that can effectively improve the positioning stability and reliability of the expansion warehouse through the setting of a positioning mechanism.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A positioning mechanism comprises a first positioning assembly and a second positioning assembly that cooperate with each other, wherein the end of the telescopic portion of the first positioning assembly is conical, and the second positioning assembly is provided with a conical hole that is convenient for automatic alignment with the end of the telescopic portion of the first positioning assembly;

[0007] The first positioning component includes an electromagnetic driving part, a manual driving part coaxially inserted into the electromagnetic driving part, and the telescopic part slidably arranged at one end of the electromagnetic driving part and slidably matched with the manual driving part, the manual driving part is provided with a limiting structure matched with the electromagnetic driving part, and the telescopic part is configured as a magnetic metal part.

[0008] The electromagnetic driving unit includes a coil, a first fixing member and a second fixing member arranged at two ends of the coil, and an electric control device electrically connected to the coil.

[0009] Wherein, the manual driving part comprises a pull rod axially penetrating the electromagnetic driving part, and a driving handle arranged at one end of the pull rod and exposed at one end of the electromagnetic driving part.

[0010] Among them, the telescopic part includes a telescopic part slidably arranged at the other end of the electromagnetic driving part, a spring axially arranged in the cavity of the electromagnetic driving part, and a roller pivoted on the exposed end of the telescopic part. The spring is sleeved on the pull rod and its two ends are respectively abutted against the telescopic part and the second fixing part.

[0011] The telescopic member is provided with a step hole axially therethrough, the telescopic member is sleeved on the pull rod and slidably matched with the pull rod, and one end of the pull rod away from the driving handle matches with the step surface in the step hole.

[0012] Wherein, the limiting structure includes a positioning flange arranged along the length direction of the outer circumference of the pull rod, and a positioning notch opened in the positioning flange.

[0013] Among them, the positioning flange is slidably matched with the sliding groove opened at the step hole and the port of the second fixing member; when the electromagnetic driving part cannot magnetically attract the telescopic part, the telescopic part is pulled out by the manual driving part and the manual driving part is rotated, and at this time, the positioning notch is engaged with the port edge of the second fixing member.

[0014] A motorhome comprises the positioning mechanism described above, and an expansion compartment and a carriage matched with the positioning mechanism, wherein the first positioning assembly and the second positioning assembly are respectively arranged on two side walls of the expansion compartment opposite to the carriage.

[0015] Beneficial effects of the present invention: The present invention provides a positioning mechanism, including a first positioning component and a second positioning component that cooperate with each other, the end of the telescopic part of the first positioning component is set in a conical shape, and the second positioning component is provided with a conical hole that is convenient for automatic alignment with the end of the telescopic part of the first positioning component; the first positioning component includes an electromagnetic drive part, a manual drive part coaxially inserted in the electromagnetic drive part, and the telescopic part slidably arranged at one end of the electromagnetic drive part and slidably matched with the manual drive part, the manual drive part is provided with a limiting structure that cooperates with the electromagnetic drive part, and the telescopic part is set as a magnetic metal part. The positioning mechanism designed in this way has a simple structure and is convenient and practical, and can make the positioning between components more stable and reliable; in addition, the present invention also provides a motorhome, which effectively improves the positioning stability and reliability of the expansion warehouse through the setting of the positioning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded view of a positioning mechanism of the present invention.

[0017] Figure 2 It is an axonometric diagram of a positioning mechanism of the present invention.

[0018] Figure 3 yes Figure 2 Half-section view after the middle positioning mechanism is installed.

[0019] Figure 4 yes Figure 3 Axonometric drawing of the telescopic part.

[0020] Figure 5 yes Figure 3 Axonometric view of the second fixing member. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0022] Combination Figures 1 to 5 As shown, this embodiment provides a positioning mechanism, including a first positioning component 1 and a second positioning component 2 that cooperate with each other, the end of the telescopic part 11 of the first positioning component 1 is set in a conical shape, and the second positioning component 2 is provided with a conical hole that is convenient for automatic alignment with the end of the telescopic part 11 of the first positioning component 1; taking the expansion warehouse of a motorhome as an example, when the motorhome is driving, due to a certain gap between the expansion warehouse and the compartment wall, it is inevitable that there will be shaking between the expansion warehouse and the compartment wall. The above-mentioned first positioning component 1 and the second positioning component 2 are respectively installed to the warehouse wall and the compartment wall of the expansion warehouse, so that the expansion warehouse can be stably positioned. In addition, in this embodiment, since the end of the telescopic part 11 of the first positioning component 1 is set in a conical shape, and the second positioning component 2 is provided with a conical hole that matches this, the end of the telescopic part 11 can be easily inserted into the conical hole and automatically centered and positioned, and during the driving of the motorhome, due to the shaking of the motorhome, the end of the telescopic part 11 and the conical hole will be more closely matched, thereby greatly improving the positioning stability of the expansion warehouse.

[0023] To be more specific, in the present embodiment, in order to improve the operational convenience and reliability of the first positioning component 1, the first positioning component 1 includes an electromagnetic drive part 12, a manual drive part 13 coaxially inserted into the electromagnetic drive part 12, and the telescopic part 11 slidably arranged at one end of the electromagnetic drive part 12 and slidably matched with the manual drive part 13, the manual drive part 13 is provided with a limiting structure matched with the electromagnetic drive part 12, the telescopic part 11 is configured as a magnetic metal part, and the telescopic part 11 is acted upon by the electromagnetic force of the electromagnetic drive part 12, and is axially extended and retracted along the electromagnetic drive part 12, so as to achieve combination and separation with the above-mentioned conical hole; when the electromagnetic drive part 12 fails to absorb the telescopic part 11 and retract the electromagnetic drive part 12 due to an abnormality, the telescopic part 11 can be pulled out of the conical hole by the action of the manual drive part 13 and the telescopic part 11 can be positioned by the above-mentioned limiting structure, so as to achieve normal expansion of the expansion warehouse.

[0024] More specifically, the electromagnetic drive unit 12 in this embodiment includes a coil 121, a first fixing member 122 and a second fixing member 123 arranged at both ends of the coil 121, and an electronic control device electrically connected to the coil 121 through a wire 1211 on the coil 121; preferably, in order to facilitate the installation and fixation of the electromagnetic drive unit 12, the first fixing member 122 and the second fixing member 123 in this embodiment have installation edges extending around the end faces respectively, so that the installation edges are fastened to the installed body by screws.

[0025] Furthermore, the telescopic part 11 includes a telescopic member 111 slidably arranged at the other end of the electromagnetic driving part 12, a spring 112 axially arranged in the cavity of the electromagnetic driving part 12, and a roller 113 pivoted on the exposed end of the telescopic member 111, and the spring 112 is sleeved on the pull rod and its two ends are respectively abutted against the telescopic member 111 and the second fixing member 123.

[0026] Preferably, the telescopic member 111 is slidably matched with the through hole 1221 at one end of the first fixing member 122, so that the telescopic member 111 is driven to telescope back and forth along the axial direction of the electromagnetic driving unit 12 through the magnetic force of the coil 121. It should be further explained that in this embodiment, when the expansion bin and the compartment wall slide relative to each other, the roller 113 pivoted to the end of the telescopic member 111 can effectively reduce the friction between the expansion bin and the compartment wall through the setting of the roller 113 when the electromagnetic driving unit 12 fails, so that the expansion bin will not scratch the compartment wall when sliding.

[0027] Furthermore, in the present embodiment, when the electromagnetic drive unit 12 cannot magnetically attract the telescopic part 111, in order to prevent the telescopic part 111 from being unable to retract due to a malfunction of the electromagnetic drive unit 12 in the positioning mechanism after the telescopic part 111 is inserted into the above-mentioned conical hole, preferably, a manual drive unit 13 is arranged along the axial direction of the electromagnetic drive unit 12 in the present embodiment.

[0028] Specifically, the manual drive part 13 includes a pull rod 131 axially penetrated through the electromagnetic drive part 12, and a drive handle 132 arranged at one end of the pull rod 131 and exposed at one end of the electromagnetic drive part 12. Further specifically, in order to facilitate the sliding connection between the telescopic member 111 and the pull rod 131 and prevent the telescopic member 111 from detaching from the pull rod 131, preferably, the telescopic member 111 is axially penetrated with a step hole 1111, the telescopic member 111 is sleeved on the pull rod 131 and slidably cooperates with the pull rod 131, and the end of the pull rod 131 away from the drive handle 132 cooperates with the step surface in the step hole 1111. Preferably, an end cover 1311 with an outer diameter larger than the inner diameter of the small hole of the step hole 1111 may be arranged at the end of the pull rod 131, so that a limit is formed after contact with the step surface.

[0029] Furthermore, the limiting structure in this embodiment includes a positioning flange 1312 arranged along the length direction of the outer circumferential surface of the pull rod 131, and a positioning notch 1313 opened in the positioning flange 1312, and the positioning flange 1312 is slidably matched with the slide grooves (1112, 1231) opened at the port of the step hole 1111 and the second fixing member 123; when the electromagnetic drive unit 12 is abnormal and cannot magnetically attract the telescopic member 111, the electromagnetic drive unit 12 can be driven to The handle 132 pulls the pull rod 131 to drive the telescopic member 111 to retract, and then the pull rod 131 is rotated. When the positioning notch 1313 is located at the edge of the port of the second fixing member 123, the driving handle 132 is released to make the positioning notch 1313 engage with the edge of the port of the second fixing member 123, so that the telescopic member 111 remains in a retracted state. At this time, the pivot axis of the roller 113 pivoted to the telescopic member 111 is perpendicular to the wall of the carriage, and can roll along the wall of the carriage when the expansion compartment is expanded.

[0030] This embodiment also provides a motorhome, including the positioning mechanism described above, and an expansion chamber and a carriage matched with the positioning mechanism, the side wall of the expansion chamber is provided with the first positioning component 1, and the side wall of the carriage is provided with the second positioning component 2 matched with the first positioning component 1. Further, as a preference, in this embodiment, a tapered hole for forming the first positioning component 1 is provided on the side wall of the carriage, and the tapered hole cooperates with the telescopic member 111 in the second positioning component 2, so as to realize the positioning of the expansion chamber.

[0031] For the RV adopting the above-mentioned structural design, the positioning mechanism can ensure that the expansion compartment is stably and reliably positioned, automatically centered and tightly connected during bumpy driving. Moreover, when the electromagnetic drive unit fails, it can be operated conveniently and quickly manually, effectively avoiding the occurrence of shaking, sliding and wear of the expansion compartment caused by unstable positioning of the expansion compartment.

[0032] In addition, when the electromagnetic drive unit fails, manual operation can be performed conveniently and quickly to avoid the problem that the expansion chamber cannot be expanded due to the telescopic member 111 being unable to retract from the conical hole.

[0033] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A positioning mechanism, characterized in that: It comprises a first positioning assembly and a second positioning assembly that cooperate with each other, wherein the end of the telescopic portion of the first positioning assembly is conical, and the second positioning assembly is provided with a conical hole that is convenient for automatic alignment with the end of the telescopic portion of the first positioning assembly; The first positioning assembly includes an electromagnetic driving part, a manual driving part coaxially inserted into the electromagnetic driving part, and the telescopic part slidably arranged at one end of the electromagnetic driving part and slidably matched with the manual driving part, the manual driving part is provided with a limiting structure matched with the electromagnetic driving part, and the telescopic part is provided as a magnetic metal part; The electromagnetic drive unit includes a coil, a first fixing member and a second fixing member disposed at both ends of the coil, and an electric control device electrically connected to the coil; The manual drive unit comprises a pull rod axially penetrating the electromagnetic drive unit, and a drive handle disposed at one end of the pull rod and exposed at one end of the electromagnetic drive unit; The telescopic part includes a telescopic member slidably arranged at the other end of the electromagnetic driving part, a spring axially arranged in the cavity of the electromagnetic driving part, and a roller pivoted on the exposed end of the telescopic member. The spring is sleeved on the pull rod and its two ends are respectively in contact with the telescopic member and the second fixing member.

2. A positioning mechanism according to claim 1, characterized in that: The telescopic member is provided with a step hole extending through the axial direction. The telescopic member is sleeved on the pull rod and slidably matched with the pull rod. One end of the pull rod away from the driving handle is matched with a step surface in the step hole.

3. A positioning mechanism according to claim 2, characterized in that: The limiting structure includes a positioning flange arranged along the length direction of the outer circumference of the pull rod, and a positioning notch opened on the positioning flange.

4. A positioning mechanism according to claim 3, characterized in that: The positioning flange is slidably matched with the sliding groove opened at the step hole and the port of the second fixing member; when the electromagnetic driving part cannot magnetically attract the telescopic part, the telescopic part is pulled out by the manual driving part and the manual driving part is rotated, and the positioning notch is engaged with the port edge of the second fixing member.

5. A motorhome, characterized in that: It comprises the positioning mechanism as described in any one of claims 1 to 4, and an expansion bin and a carriage cooperating with the positioning mechanism, wherein the first positioning component and the second positioning component are respectively arranged on two side walls of the expansion bin opposite to the carriage.

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