Positioning pin structure with sealing function

Abstract

The utility model relates to a locating pin structure with a sealing function, which belongs to the technical field of automobile parts and comprises a first mounting component, a second mounting component and a locating pin, a locating pin cover is clamped on the locating pin, and the lower end face of the locating pin cover can abut against the upper end face of the first mounting component to complete limiting. The positioning pin comprises an upper connecting part connected with the mounting part I and a lower connecting part connected with the mounting part II; and the upper end of the upper connecting part is connected with a positioning pin cover. The structural form of the positioning pin is changed, and the sealing surface and the rubber ring are additionally arranged on the original bearing surface, so that water vapor at the positioning pin mounting hole of the vehicle body is prevented from entering a passenger area, and the sealing performance of the whole vehicle is improved. The positioning pin assembly structure with the sealing function not only can meet the functional requirement of convenient positioning and installation, but also can absorb the structural error between the molded surface of the automobile body metal plate and the positioning pin, and ensures the sealing between the bearing surface of the positioning pin and the automobile body metal plate. Risks such as vehicle body rusting caused by water inflow are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and particularly relates to a positioning pin structure with sealing function. BACKGROUND

[0002] When assembling automobile plastic fenders or other decorative parts, positioning pins are often needed for installation positioning, so as to facilitate control of installation precision and ensure the appearance effect after installation. At present, most positioning pin structures are simple clamping structures, which can meet the positioning requirement but have poor sealing performance. In some positions that need to be sealed or due to manufacturing errors and other factors, water vapor from the outside world can enter the vehicle through the gap between the positioning pin and the vehicle body sheet metal structure, resulting in rusting of the vehicle body and other adverse consequences. SUMMARY

[0003] The utility model solves the above technical problems and provides a positioning pin structure with sealing function.

[0004] To solve the above technical problems, the utility model provides the technical scheme that:

[0005] A positioning pin structure with sealing function, comprising installation components one, installation components two and a positioning pin, wherein the positioning pin is inserted into the installation components one and the installation components two to realize fixation of the installation components one and the installation components two.

[0006] The positioning pin is clamped with a positioning pin cover, and the lower end surface of the positioning pin cover can abut against the upper end surface of the installation components one to complete limiting.

[0007] The positioning pin comprises an upper connecting component connected with the installation components one and a lower connecting component connected with the installation components two.

[0008] The upper end of the upper connecting component is connected with the positioning pin cover.

[0009] Preferably, the lower connecting component comprises a clamping structure clamped in the installation components two, the upper end of the clamping structure is provided with a sealing ring, and the sealing ring can be attached to the upper surface of the installation components two.

[0010] Preferably, the sealing ring is provided with a compression sealing ring.

[0011] Preferably, the compression sealing ring is a circular truncated cone structure.

[0012] Preferably, the upper connecting component comprises a support column, a limiting column, a positioning column and a limiting plate arranged in sequence on the upper end of the compression sealing ring, the upper surface of the support column supports the lower end surface of the installation components one, and the limiting column penetrates through the installation components one.

[0013] Preferably, a through hole for cooperating with the limiting column is formed in the installation components one.

[0014] Preferably, the installation component two is provided with a clamping hole of a clamping structure, and the clamping structure gradually increases from small to large and then decreases from the upper end to the lower end of the sealing ring.

[0015] Preferably, the lower end of the positioning pin cover is provided with a connecting plate, and a clamping area is formed between the connecting plate and the positioning pin cover, the outer side of the connecting plate is provided with a groove matched with the clamping of the positioning column, and a limiting plate is arranged in the clamping area.

[0016] Preferably, the lower end of the connecting plate is provided with a resisting block abutting against the upper end surface of the installation component one.

[0017] After the above structure is adopted, the present application has the following advantages:

[0018] The present application changes the structure of the positioning pin, increases the sealing surface and the rubber ring on the original bearing surface, avoids the water vapor entering the passenger area from the installation hole of the body positioning pin, and improves the sealing performance of the whole vehicle. The structure of the positioning pin assembly with sealing function can not only meet the functional needs of convenient positioning and installation, but also can absorb the structural error of the body sheet metal surface and the positioning pin, and ensure the sealing between the bearing surface of the positioning pin and the body sheet metal. The risk of water entering the body and rusting is reduced.

[0019] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the present application will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is a structural schematic view of the positioning pin cover of the present application;

[0023] Figure 3 is a front view of the positioning pin of the present application;

[0024] Figure 4 is an installation schematic view of the positioning pin of the present application.

[0025] As shown in the figure: 1, positioning pin; 101, positioning column; 102, support column; 103, compression ring; 104, sealing ring; 105, clamping structure; 106, limiting column; 107, limiting plate; 2, positioning pin cover; 201, connecting plate; 202, clamping area; 203, groove; 204, abutting block; 3, mounting component one; 4, mounting component two. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The present utility model is further described in detail below in combination with the full text.

[0029] In combination with the accompanying drawings Figures 1-4 A positioning pin structure with sealing function, comprising mounting component one 3, mounting component two 4 and positioning pin 1, the positioning pin 1 is inserted into the mounting component one 3 and the mounting component two 4 to realize the fixation of the mounting component one 3 and the mounting component two 4; the positioning pin 1 is clamped with the positioning pin cover 2, and the lower end surface of the positioning pin cover 2 can abut against the upper end surface of the mounting component one 3 to complete the limiting; the positioning pin 1 comprises an upper connecting component connected with the mounting component one 3 and a lower connecting component connected with the mounting component two 4; the upper end of the upper connecting component is connected with the positioning pin cover 2.

[0030] The present utility model in the specific implementation, Figure 1 、 Figure 3 and Figure 4As shown, the lower connecting component includes a clamping structure 105 clamped in the mounting component two 4, and a sealing ring 104 is installed at the upper end of the clamping structure 105 and can be attached to the upper surface of the mounting component two 4. The sealing ring 104 is installed with a compression ring 103 which compresses the sealing ring 104. The compression ring 103 is a circular truncated cone structure. The upper connecting component includes a support column 102, a limiting column 106, a positioning column 101 and a limiting plate 107 arranged in sequence at the upper end of the compression ring 103, the upper surface of the support column 102 supports the lower end surface of the mounting component one 3, and the limiting column 106 passes through the mounting component one 3. Specifically, the compression ring 103, the clamping structure 105, the support column 102, the limiting column 106, the positioning column 101 and the limiting plate 107 are integrated structures,

[0031] Specifically, a through hole matched with the limiting column 106 is formed in the mounting component one 3, and a clamping hole matched with the clamping structure 105 is formed in the mounting component two 4. The position of the clamping structure 105 close to the sealing ring 104 is arranged from small to large and then small from top to bottom, so that the clamping structure 105 can be inserted into the clamping hole of the mounting component two 4, and the mounting component two 4 and the clamping structure 105 are limitedly connected.

[0032] The utility model discloses in the specific implementation, as Figure 1 、 Figure 2 and Figure 4 As shown. The lower end of the positioning pin cover 2 is installed with a connecting plate 201, and the connecting plate 201 and the positioning pin cover 2 are clamped between the clamping area 202, and the outer side of the connecting plate 201 is provided with a recess 203 matched with the clamping of the positioning column 101 and the limiting plate 107 is located in the clamping area 202. The lower end of the connecting plate 201 is installed with a resisting block 204 abutting against the upper end surface of the mounting component one 3. The positioning pin cover 2 is installed on the positioning pin 1 and the lower end surface can abut against the upper end surface of the mounting component one 3 to complete the limiting;

[0033] The mounting component one 3 needs to be fixed on the mounting component two 4, and the positioning pin 1 and the positioning pin end cover 2 can realize the accurate positioning of the mounting component one 3 on the mounting component two 4.

[0034] The positioning column 101 and the mounting component one 3 are matched through the hole shaft (through hole) to control the translational and rotational freedom degrees of the mounting component one 3 in X direction and Z direction.

[0035] The 102 positioning surface of the positioning pin and the positioning pin end cover 2 can control the translational freedom degree of the mounting component one 3 in Z direction.

[0036] This positioning pin assembly can control the five direction freedom degrees of the mounting component one 3, and the positioning function can be realized by combining multiple positioning pins.

[0037] The compression ring 103 on the positioning pin is a circular truncated cone, and the compression ring 103 is provided with a sealing ring 104. After installation, the compression ring 103 and the sealing ring 104 are compressed on the second installation component 4. Water is prevented from entering the second installation component 4 through the installation hole 4, and water leakage is avoided.

[0038] The working principle of the utility model is as follows:

[0039] The positioning column 101 is inserted through the through hole on the first installation component 3. The end of the positioning column 101 is clamped in the 203 of the positioning pin end cover 2, and the limiting plate 107 is located in the clamping area 202. The abutting block 204 abuts against the combination of the positioning pin 1 and the first installation component 3, and the positioning pin end cover 2. The positioning pin is clamped on the second installation component 4. The clamping structure 105 on the positioning pin is inserted through the round hole on the second installation component 4, and the limiting installation of the second installation component 4 and the first installation component 3 is completed.

[0040] The utility model and its implementation are described above, and the description is not restrictive. The embodiments shown in the full text are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the utility model.

Claims

1. A positioning pin structure with sealing function, comprising a mounting member one (3), a mounting member two (4) and a positioning pin (1), characterized in that, The positioning pin (1) is inserted into the mounting component one (3) and the mounting component two (4) to fix the mounting component one (3) and the mounting component two (4); The positioning pin (1) is clamped with the positioning pin cover (2), and the lower end surface of the positioning pin cover (2) can abut against the upper end surface of the mounting component one (3) to complete the limiting; The positioning pin (1) comprises an upper connecting component connected with the mounting component one (3) and a lower connecting component connected with the mounting component two (4); The upper end of the upper connecting component is connected with the positioning pin cover (2).

2. The locating pin structure with sealing function according to claim 1, characterized in that: The lower connecting component comprises a clamping structure (105) clamped in the mounting component two (4), and the upper end of the clamping structure (105) is provided with a sealing ring (104) which can be attached to the upper surface of the mounting component two (4).

3. The locating pin structure with sealing function according to claim 2, characterized in that: The sealing ring (104) is provided with a compression ring (103) for compressing the sealing ring (104).

4. The locating pin structure with sealing function according to claim 3, characterized in that: The compression ring (103) is a circular truncated cone structure.

5. The locating pin structure with sealing function according to claim 3, characterized in that: The upper connecting component comprises a support column (102), a limiting column (106), a positioning column (101) and a limiting plate (107) arranged in sequence on the upper end of the compression ring (103), the upper surface of the support column (102) supports the lower end surface of the mounting component one (3), and the limiting column (106) passes through the mounting component one (3).

6. The locating pin structure with sealing function according to claim 1, characterized in that: The mounting component one (3) is provided with a through hole for cooperating with the limiting column (106).

7. The locating pin structure with sealing function according to claim 1, characterized in that: The mounting component two (4) is provided with a clamping hole for cooperating with the clamping structure (105), and the position of the clamping structure (105) close to the sealing ring (104) is gradually increased from top to bottom and then gradually decreased.

8. The locating pin structure with sealing function according to claim 5, characterized in that: The lower end of the positioning pin cover (2) is provided with a connecting plate (201), and the connecting plate (201) and the positioning pin cover (2) are clamped in the clamping area (202), the outer side of the connecting plate (201) is provided with a groove (203) for clamping the positioning column (101), and the limiting plate (107) is located in the clamping area (202).

9. The structure of the locating pin with sealing function according to claim 8, characterized in that: The lower end of the connecting plate (201) is provided with an abutting block (204) abutting against the upper end surface of the mounting component one (3).

Images