Positioning structure, transmission, electric assembly and vehicle

Abstract

The utility model discloses a positioning structure, a transmission, an electric assembly and a vehicle, the positioning structure comprises a first connecting piece, a second connecting piece, a first limiting piece, a second limiting piece and a positioning pin, and the positioning pin is used for positioning and connecting the first connecting piece and the second connecting piece together through positioning holes formed in the first connecting piece and the second connecting piece; limiting pieces are arranged at the two ends of the positioning hole to prevent the positioning pin from disengaging. When the limiting pieces at the two ends of the positioning hole are detachably connected to the first connecting piece and the second connecting piece, the positioning pin can be ejected out through a tool after the limiting pieces at the two ends are detached. When the limiting piece at one end of the positioning hole is detachably connected to one of the limiting pieces, and the limiting piece at the other end of the positioning hole is provided with a through hole communicated with the positioning hole, the positioning pin can also be ejected out by detaching the detachable limiting piece and using a tool to penetrate through the through hole. According to the utility model, the positioning pin can be independently detached without detaching the connecting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a positioning structure and a vehicle. Background Art

[0002] There are multiple connectors on a vehicle that need to be positioned relative to each other. The positioning structure refers to a component used to achieve accurate relative positioning of the connectors. The positioning structure usually consists of the connector to be positioned, a positioning hole, and a positioning pin.

[0003] In the use environment, the positioning pin may come out due to vibration, temperature change, etc. In order to prevent the positioning pin from coming out, the positioning pin is usually blocked in the positioning hole, and the positioning pin cannot be removed separately in this type of structure. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the utility model provides a positioning structure in which the positioning pins can be individually detached.

[0005] The utility model provides a positioning structure, including: a first connecting member, a second connecting member, a first limiting member, a second limiting member and a positioning pin, the first connecting member is provided with a first positioning hole penetrating the first connecting member, the second connecting member is provided with a second positioning hole penetrating the second connecting member, the first positioning hole and the second positioning hole are connected, the positioning pin is at least partially in the first positioning hole, and the positioning pin is at least partially in the second positioning hole. The first limiting member is arranged on the first connecting member, the first limiting member blocks the opening of one end of the first positioning hole away from the second positioning hole, and the first limiting member is detachably connected to the first connecting member. The second limiting member is arranged on the second connecting member, the second limiting member blocks the opening of one end of the second positioning hole away from the first positioning hole. The second limiting member is detachably connected to the second connecting member, or the second limiting member is provided with a through hole connected to the second positioning hole.

[0006] In the positioning structure of the utility model, the first limiter is detachably connected to the first connector, the second limiter is detachably connected to the second connector, or the second limiter is provided with a through hole connected to the second positioning hole, so that the positioning pin can be disassembled separately without disassembling the first connector or the second connector, and the disassembly and replacement of the positioning pin is simple. When the first limiter is detachably connected to the first connector, when the second limiter is detachably connected to the second connector, after both the first limiter and the second limiter are disassembled, the positioning pin can be ejected by a tool extending into the second positioning hole; when the second limiter is provided with a through hole connected to the second positioning hole, after the first limiter is disassembled, the positioning pin can be ejected by a tool passing through the through hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0008] Figure 1 It is a schematic diagram of a first embodiment of a positioning structure provided by an embodiment of the utility model.

[0009] Figure 2 It is a schematic diagram of a second embodiment of the positioning structure provided by an embodiment of the utility model.

[0010] Figure 3 It is a schematic diagram of a third embodiment of the positioning structure provided by an embodiment of the utility model.

[0011] Reference numerals:

[0012] 1. First connecting member; 2. Second connecting member; 3. First positioning hole; 4. Second positioning hole; 5. Positioning pin; 6. First limiting member; 7. Second limiting member; 8. Through hole; 9. Gasket; 10. Threaded fastener; 11. Connecting part. DETAILED DESCRIPTION

[0013] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0014] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0015] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0016] In the description of the present invention, "multiple" means two or more, and "several" means one or more.

[0017] like Figures 1 to 3As shown, the positioning structure of the embodiment of the utility model includes a first connecting member 1, a second connecting member 2 and a positioning pin 5. The first connecting member 1 is provided with a first positioning hole 3 penetrating the first connecting member 1, the second connecting member 2 is provided with a second positioning hole 4 penetrating the second connecting member 2, the first positioning hole 3 and the second positioning hole 4 are connected, a part of the positioning pin 5 is arranged in the first positioning hole 3 and the other part is arranged in the second positioning hole 4, thereby realizing the positioning connection between the first connecting member 1 and the second connecting member 2.

[0018] A first limiting member 6 is provided at the opening of the end of the first positioning hole 3 away from the second positioning hole 4, for blocking the opening of the end of the first positioning hole 3 away from the second positioning hole 4. At the same time, a second limiting member 7 is provided at the opening of the end of the second positioning hole 4 away from the first positioning hole 3, for blocking the opening of the end of the second positioning hole 4 away from the first positioning hole 3. This ensures that the positioning structure will neither fall out of the opening of the end of the first positioning hole 3 away from the second positioning hole 4, nor fall out of the opening of the end of the second positioning hole 4 away from the first positioning hole 3 in actual use, thereby preventing the positioning pin 5 from loosening.

[0019] In the positioning structure of the embodiment of the utility model, the structure that can prevent the positioning pin 5 from escaping from the first positioning hole 3 or the second positioning hole 4 can play a blocking role. In this embodiment, the first limit member 6 and the second limit member 7 can both play a blocking role. When the first limit member 6 blocks the first positioning hole 3, the first limit member 6 can completely cover the opening of the first positioning hole 3, or it can partially cover the opening of the first positioning hole 3, so as to prevent the positioning pin 5 from escaping; similarly, when the second limit member 7 blocks the second positioning hole 4, the second limit member 7 can completely cover the opening of the first positioning hole 3, or it can partially cover the opening of the first positioning hole 3, so as to prevent the positioning pin 5 from escaping.

[0020] In the related art, in order to disassemble the positioning pin 5, it is generally necessary to disassemble at least one of the two connecting members that are connected to the positioning pin 5 so that the positioning pin 5 can be disassembled.

[0021] In the embodiment of the utility model, in order to realize the separate removal of the positioning pin 5, the first limiting member 6 is configured to be detachably connected to the first connecting member 1. At the same time, the second limiting member 7 is configured to be detachably connected to the second connecting member 2, or the second limiting member 7 is provided with a through hole 8 connected to the second positioning hole 4.

[0022] When the first limiting member 6 is configured to be detachably connected to the first connecting member 1, and the second limiting member 7 is configured to be detachably connected to the second connecting member 2, if it is necessary to remove the positioning pin 5 separately, the first limiting member 6 can be removed from the first connecting member 1, and the second connecting member 2 can also be removed from the second connecting member 2, and the positioning pin 5 can be pushed out by a tool extended into the first positioning hole 3 or the second positioning hole 4, thereby realizing the separate removal of the positioning pin 5.

[0023] When the first limiting member 6 is configured to be detachably connected to the first connecting member 1, and the second limiting member 7 is provided with a through hole 8 connected to the second positioning hole 4, if the positioning pin 5 needs to be removed separately, the first limiting member 6 can be removed from the first connecting member 1, and a tool can be used to pass through the through hole 8 on the second limiting member 7 to push out the positioning pin 5.

[0024] The tool may be any slender structure as long as it can pass through the first positioning hole 3 , the second positioning hole 4 or the through hole 8 to push out the positioning pin 5 .

[0025] Therefore, in the embodiment of the present utility model, under the premise that the connection between the first limiting member 6 and the first connecting member 1 is detachable, in order to release the blocking state of the opening of the end of the second positioning hole 4 away from the first positioning hole 3, that is, in order to be able to contact the positioning pin 5 with a tool and push it out, it is possible to remove the positioning pin 5 alone without removing the first connecting member 1 or the second connecting member 2, at least one of the following two conditions is satisfied:

[0026] Condition 1: The second limiting member 7 is detachably connected to the second connecting member 2;

[0027] Condition 2: the second limiting member 7 is provided with a through hole 8 connected to the second positioning hole 4 .

[0028] Since it is not economical to simultaneously provide two detachable limiting members in the positioning structure, in some embodiments, under the premise that the first limiting member 6 can be removed from the first connecting member 1, the second limiting member 7 is configured to be non-detachably connected, and a through hole 8 connected to the second positioning hole 4 is provided on the second limiting member 7. The positioning pin 5 can be pushed out by a tool inserted into the through hole 8, thereby realizing the removal of the positioning pin 5.

[0029] In order to make the second stopper 7 non-detachable, the second stopper 7 can be connected to the second connecting member 2 by welding, riveting or gluing, or the second stopper 7 and the second connecting member 2 can be integrated into one piece to save assembly steps, such as Figure 1 and Figure 2 shown.

[0030] like Figure 3 As shown, in some embodiments of the utility model, the positioning structure further includes a threaded fastener 10, and the first stopper 6 is detachably connected to the first connector 1 through the threaded fastener 10. The first stopper 6 is attached to the opening edge of the first positioning hole 3 away from the second positioning hole 4, and is used to block the first positioning hole 3. When the first stopper 6 needs to be disassembled, the threaded fastener 10 can be unscrewed to remove the first stopper 6 from the first connector 1, and the first positioning hole 3 is no longer blocked by the first stopper 6, so that the first stopper 6 can be easily disassembled.

[0031] The utility model Figure 1 and Figure 2 In the embodiment shown, the first stopper 6 is a plug. Figure 3 In the illustrated embodiment, the first limiting member 6 is a baffle.

[0032] like Figure 1 and Figure 2 As shown, in some embodiments of the utility model, the first stopper 6 is embedded in the first positioning hole 3 to prevent the stopper from occupying additional space. Since the positioning pin 5 can only be easily disassembled by removing the first stopper 6 from the first positioning hole 3, the first stopper is provided with a connecting portion 11 suitable for connecting a disassembly tool, which makes the disassembly of the first stopper 6 more convenient, thereby making the disassembly of the positioning pin more convenient.

[0033] Furthermore, the first limiting member 6 is flush with the opening edge of the first positioning hole 3 away from the second positioning hole 4, or the first limiting member 6 is lower than the opening edge of the first positioning hole 3 away from the second positioning hole 4, which further reduces the space occupied by the limiting member and provides more space for the installation of other components around the positioning structure.

[0034] In some embodiments of the present invention, in order to prevent the positioning pin 5 from being displaced during vibration and falling out of the first positioning hole 3 away from the opening of the second positioning hole 4, causing positioning failure and the falling-out positioning pin 5 interfering with the operation of other components around the positioning structure, the first limit member 6 and the first connecting member 1 are connected by interference, and the interference causes the contact surface between the first limit member 6 and the first positioning hole 3 to deform. During the deformation process, the contact surfaces between the first limit member 6 and the first positioning hole 3 generate pressure on each other, and the pressure causes the first positioning hole 3 to apply an axial friction force to the first limit member 6 away from the first limit member 6, and the friction force is greater than the impact force applied to the first limit member 6 by the positioning pin 5 during vibration, axially away from the second positioning hole 4, thereby achieving the first limit member 6 preventing the positioning pin 5 from falling out of the opening at one end of the first positioning hole 3 away from the second positioning hole 4.

[0035] Since the first stopper 6 is connected with the first positioning hole 3 by interference fit, the first stopper 6 is subjected to a large axial friction force, and a larger axial force is required to overcome the axial friction force when disassembling the first stopper 6. Therefore, the connection portion on the first stopper connected with the disassembly tool should be conveniently and reliably connected with the disassembly tool, so that a large axial force can be applied to the first stopper 6 by the disassembly tool to disassemble it from the first positioning hole 3. The threaded connection transmits the axial force reliably and is convenient to connect. Therefore, providing a threaded structure on the connection portion 11 will facilitate the convenient disassembly of the first stopper 6. When the first stopper 6 is embedded in the first positioning hole 3 and is higher than the opening edge of the first positioning hole 3 away from the second positioning hole 4, the connection portion 11 on the first stopper 6 is suitable for providing an external thread; when the first stopper 6 is embedded in the first positioning hole 3 and is flush with or lower than the opening edge of the first positioning hole 3 away from the second positioning hole 4, the connection portion 11 on the first stopper 6 is suitable for providing an internal thread hole. Furthermore, in order to save effort in disassembling the first limiting member 6 , the threaded hole on the first limiting member 6 is coaxially arranged with the first positioning hole 3 .

[0036] Specifically, in some embodiments of the present invention, if the diameter of the positioning pin 5 is smaller than the diameter of the threaded hole set on the first limiting member 6, the positioning pin 5 will fall out of the threaded hole during the vibration process, resulting in the first limiting member 6 being unable to prevent the positioning pin 5 from falling out. Figure 2 In the illustrated embodiment, a gasket 9 is provided between the first limiting member 6 and the positioning pin 5 , and the added gasket 9 can prevent the positioning pin 5 from coming out of the threaded hole.

[0037] The utility model is as follows Figure 1 and 2 In some embodiments shown, the first position-limiting member 6 can be a circlip or a steel ball. When the first position-limiting member 6 is a circlip, a circlip groove that can accommodate the circlip is correspondingly provided in the first position-limiting hole. The circlip avoids itself from falling off in a vibration environment under the action of its own elastic force and the circlip groove. The part of the circlip radially exposed from the circlip groove prevents the positioning pin 5 from coming out of the first positioning hole 3, thereby preventing the positioning pin 5 from coming out. The circlip can be disassembled by using a suitable circlip pliers in a known manner, so that the positioning pin 5 can be disassembled separately. In some embodiments of the utility model, when the first position-limiting member 6 is a steel ball, the steel ball is set in the first positioning hole 3 with an interference fit. The interference fit makes the steel ball subject to the friction force from the first positioning hole 3. When the friction force is greater than the impact force of the positioning pin 5 on the steel ball during the vibration process, the steel ball can stop the positioning pin 5. In this embodiment, by using a suitable tool to pass through the through hole 8 on the second position-limiting member 7 and hitting the tool with an auxiliary hammer, the positioning pin 5 can also be impacted and ejected separately, thereby realizing the removal of the positioning pin 5.

[0038] like Figure 1 and 2As shown, in some embodiments of the present invention, when the first position-limiting member 6 is a retaining spring, it is necessary to process the corresponding retaining spring groove. Since the diameter of the positioning hole is generally small, it is difficult to process the retaining spring groove in the positioning hole, or the cost of processing the retaining spring groove is high; when the first position-limiting member 6 is a steel ball, the steel ball cannot be directly removed, and can only be removed by indirectly knocking the positioning pin 5, and the positioning pin 5 impacts the steel ball. At this time, the positioning pin 5 is subjected to the knocking force of the tool and the reaction force exerted by the steel ball, and the reaction force is point contact and gradually changes to spherical contact, and the positioning pin 5 will be greatly deformed and damaged. Therefore, Figure 1 and Figure 2 The embodiment shown is the preferred embodiment.

[0039] An embodiment of the utility model also provides a transmission, including a first housing, a second housing and a positioning structure of any of the above embodiments, the first housing and the second housing enclose a space for accommodating a transmission member, the first connecting member 1 is arranged on the first housing, and the second connecting member 2 is arranged on the second housing.

[0040] The first connecting member 1 is provided on the first box body, and can be connected in any manner, including the case where the first limiting member 1 and the first box body are an integral part. Similarly, the second connecting member 2 is provided on the second box body, and can be connected in any manner, including the case where the second limiting member 2 and the second box body are an integral part.

[0041] An embodiment of the utility model further provides an electric assembly, comprising the above-mentioned transmission.

[0042] An embodiment of the utility model further provides a vehicle, comprising the above-mentioned electric assembly.

[0043] In the description of this specification, the description with reference to the terms "specific embodiment", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0044] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A positioning structure, characterized in that: It comprises a first connecting member (1), a second connecting member (2), a first limiting member (6), a second limiting member (7) and a positioning pin (5); The first connecting member (1) is provided with a first positioning hole (3) penetrating the first connecting member (1), the second connecting member (2) is provided with a second positioning hole (4) penetrating the second connecting member (2), the first positioning hole (3) and the second positioning hole (4) are connected, the positioning pin (5) is at least partially located in the first positioning hole (3), and the positioning pin (5) is at least partially located in the second positioning hole (4); The first limiting member (6) is arranged on the first connecting member (1), and the first limiting member (6) blocks an opening of one end of the first positioning hole (3) away from the second positioning hole (4), and the first limiting member (6) is detachably connected to the first connecting member (1); the second limiting member (7) is arranged on the second connecting member (2), and the second limiting member (7) blocks an opening of one end of the second positioning hole (4) away from the first positioning hole (3); The second limiting member (7) is detachably connected to the second connecting member (2), or the second limiting member (7) is provided with a through hole connected to the second positioning hole (4).

2. The positioning structure according to claim 1, characterized in that: The second limiting member (7) is provided with a through hole connected to the second positioning hole (4); the second limiting member (7) and the second connecting member (2) are an integral part.

3. The positioning structure according to claim 1, characterized in that: It also comprises a threaded fastener (10), the first limiting member (6) being detachably connected to the first connecting member (1) via the threaded fastener (10), and the first limiting member (6) being attached to the opening edge of the first positioning hole (3) facing away from the second positioning hole (4).

4. The positioning structure according to claim 1, characterized in that: The first limiting member (6) is embedded in the first positioning hole (3), and the first limiting member (6) is provided with a connecting portion (11) suitable for connecting to a disassembly tool.

5. The positioning structure according to claim 4, characterized in that: The first limiting member (6) is flush with an opening edge of the first positioning hole (3) that faces away from the second positioning hole (4), or the first limiting member (6) is lower than an opening edge of the first positioning hole (3) that faces away from the second positioning hole (4).

6. The positioning structure according to claim 5, characterized in that: It also comprises a gasket, which is arranged between the first limiting member (6) and the positioning pin (5), and the positioning pin (5) can stop against the gasket.

7. The positioning structure according to any one of claims 4 to 6, characterized in that: The connecting portion (11) comprises a threaded hole formed on the first limiting member (6), and the threaded hole is coaxially arranged with the first positioning hole (3).

8. A transmission, characterized in that: The invention comprises a first box body, a second box body and a positioning structure according to any one of claims 1 to 7, wherein the first box body and the second box body enclose a space for accommodating a transmission member, the first connecting member (1) is arranged on the first box body, and the second connecting member (2) is arranged on the second box body.

9. An electric assembly, characterized in that: Including the transmission as claimed in claim 8.

10. A vehicle, characterized in that: Includes the electric assembly as described in claim 9.

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