CN205043069U8 - Riveting position-limit mechanism - Google Patents

Abstract

The utility model discloses a kind of riveting position-limit mechanism and include rotary shaft, connecting plate, backrest side plate and retaining washer.Rotary shaft has connecting portion, the limiting section, the first installation portion extending formation in the middle part of limiting section that are formed from connecting portion outwardly convex and continues, from the first installation portion, the second installation portion that continuity is formed, and on this second installation portion, cutting forms holding section.Connecting plate is installed on the first installation portion of rotary shaft, and holding section is resisted against on connecting plate.Backrest side plate is fixed on the second installation portion, and retaining washer is fixed on the second installation portion, and backrest side plate is fixed between the first installation portion and retaining washer.This utility model backrest side plate is fixed on described second installation portion, and retaining washer is fixed on the second installation portion, and backrest side plate is fixed between described first installation portion and retaining washer.Therefore, use said structure design to be fixed on the second installation portion by backrest side plate, decrease and be welded and fixed operation, improve packaging efficiency.

Description

Riveting limit mechanism

technical field

The utility model relates to the field of machining, in particular to a kind of riveting limiting mechanism.

Background technique

[0002] Riveting is to utilize axial force to thicken the rivet rod and form a stud head in the rivet hole of the part, so that a plurality of parts are connected. The riveting process is easy to process, uniform and reliable in force transmission, and has good product toughness and shaping. It is especially suitable for the connection of parts with different materials that are difficult to weld, and is widely used in almost all machining fields. However, for some products whose structure is relatively simple, the rivet end needs to be welded to fix the connector when the riveting processing method is used, and the production process is complicated and the production cost is relatively high.

Utility model content

Summary of the invention For above-mentioned deficiency, the purpose of this utility model is to provide a kind of riveting limiting mechanism, and it replaces welding procedure by the form of fixing and limiting, thereby reducing production cost.

For achieving the above object, the technical scheme provided by the utility model is:

[0005] A riveting limiting mechanism includes a rotating shaft, a connecting plate, a backrest edge plate and a fixing washer. The rotating shaft has a connecting portion, a limiting portion protruding outward from the outer surface of the connecting portion, a first mounting portion extending from the middle portion of the limiting portion in the horizontal direction, and continuing from the first mounting portion in the horizontal direction. the second installation part, the second installation part is cut to form a clamping part. The connecting plate is mounted on the first mounting portion on the rotating shaft, the clamping portion abuts against the connecting plate, the backrest side plate is fixedly mounted on the second mounting portion, and the The fixing washer is fixedly installed on the second mounting portion, and the backrest edge plate is fixed between the first mounting portion and the fixing washer.

Preferably, the back side plate has a body and a fixing portion that is connected to the body, and the fixing portion is provided with a fixing hole corresponding to the second mounting portion, and the back side plate is fixedly installed in the second through the fixing hole. on the installation section.

Preferably, one side of the fixing portion of the backrest side plate is cut to form an avoidance groove, and the other side of the fixing portion is provided with a fixing groove, and the second mounting portion of the rotating shaft passes through the backrest side plate. The fixing hole enables the backrest side plate to be fixed on the second mounting portion of the rotating shaft, and the end of the second mounting portion protrudes out of the backrest side plate and is located in the fixing groove, and the fixing washer is fixedly installed on the first mounting portion. The two mounting parts are located in the fixing groove.

[0008] Preferably, the fixing hole on the fixing portion of the backrest edge plate is in a semicircular structure.

[0009] Preferably, the diameter of the first mounting portion is larger than the diameter of the second mounting portion.

The beneficial effects of the present utility model are: the riveting limiting mechanism of the present utility model is provided with a limiting portion and a second mounting portion on the connecting portion of the rotating shaft, and the second mounting portion is cut to form a clamping portion, and the backrest is The side plate is fixedly installed on the second installation part, the fixing washer is fixedly installed on the second installation part, and the backrest side plate is fixed between the first installation part and the fixing washer. Therefore, the above-mentioned structural design is used to fix the backrest side plate on the second mounting portion, which reduces the welding and fixing process and improves the assembly efficiency.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the following specific embodiments, but do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the perspective view of the riveting limiting mechanism of the present utility model.

Fig. 2 is the perspective exploded view of riveting limit mechanism shown in Fig. 1.

Fig. 3 is a sectional view of the riveting limiting mechanism shown in Fig. 1 along the A-A direction.

[0016] Each reference numeral in the figure is described as follows.

Rotating shaft one 1, connecting part one 11, limiting part one 12, first mounting part one 13, second mounting part one 14, clamping part one 15, connecting plate one 2, backrest side plate one 3, A main body 31 , a fixing part 1 32 , a fixing hole 1 33 , an avoidance groove 1 34 , a fixing groove 1 35 , and a fixing washer 1 4 .

detailed description

In order to describe in detail the technical content of the present utility model, structural feature, realized purpose and effect, below in conjunction with embodiment and in conjunction with accompanying drawing, explain in detail.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of riveting limit mechanism comprises rotating shaft 1, connecting plate 2, backrest side plate 3 and fixing washer 4. The rotating shaft I has a connecting portion 11, a limiting portion 12 formed by protruding outward from the outer surface of the connecting portion 11, a first mounting portion 13 extending horizontally from the middle of the limiting portion 12, and a first mounting portion 13 extending from the middle of the limiting portion 12 in the horizontal direction. 13 continues the second mounting portion 14 formed continuously in the horizontal direction, and the second mounting portion 14 is cut to form a holding portion 15 . The connecting plate 2 is mounted on the first mounting portion 13 on the rotating shaft 1, and the holding portion 15 abuts against the connecting plate 2. The backrest side panel 3 is fixedly mounted on the second mounting portion 14 , the fixing washer 4 is fixedly mounted on the second mounting portion 14 , and the backrest sideboard 3 is fixed on the first mounting portion 13 and the fixing washer 4.

Specifically, the backrest side plate 3 has a body 31 and a fixing portion 32 that is connected to the body 31, and the fixing portion 32 is provided with a fixing hole 33 corresponding to the second mounting portion 14, and the backrest side plate 3 passes through. The fixing hole 33 is fixedly mounted on the second mounting portion 14 .

[0021] One side of the fixing portion 32 of the backrest edge plate 3 is cut to form an avoidance groove 34, and the other side of the fixing portion 32 is provided with a fixing groove 35 to achieve the effect of saving space. The second mounting portion 14 of the rotating shaft 1 passes through the fixing hole 33 of the backrest side plate 3 so that the backrest side plate 3 is fixed on the second mounting portion 14 of the rotating shaft I, and the second mounting portion 14 The end protruding out of the backrest side panel 3 is located in the fixing groove 35 . The fixing washer 4 is fixedly mounted on the second mounting portion 14 and is located in the fixing groove 35 .

[0022] In this embodiment, the fixing hole 33 on the fixing portion 32 of the backrest edge plate 3 is in a semicircular structure to achieve a fixed effect.

[0023] In this embodiment, the diameter of the first mounting portion 13 is larger than the diameter of the second mounting portion 13.

In summary, the riveting limiting mechanism of the present utility model is provided with a limiting portion 12 and a second mounting portion 14 on the connecting portion 11 of the rotating shaft 1, and the second mounting portion 14 is cut to form a clamping portion. 15. The backrest side panel 3 is fixedly mounted on the second mounting portion 14, the fixing washer 4 is fixedly mounted on the second mounting portion 14, and the backrest sideboard 3 is fixed on the first mounting portion 13 and the fixing washer 4. Therefore, by adopting the above-mentioned structural design to fix the backrest side panel 3 on the second mounting portion 14 , the welding and fixing process is reduced, and the assembly efficiency is improved.

According to the disclosure and teaching of the above-mentioned description, those skilled in the art of the present invention can also change and modify the above-mentioned embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention, and the use of other devices identical or similar thereto are all within the protection scope of the present invention.

Claims (5)

1. a riveting limiting mechanism, is characterized in that: comprise rotating shaft (1), connecting plate (2), backrest side plate (3) and fixing washer (4), and described rotating shaft (1) has connecting part (1). 11), a limiting portion (12) formed by protruding outward from the outer surface of the connecting portion (11), a first mounting portion (13) extending horizontally from the middle of the limiting portion (12), and a first mounting portion (13) extending from the middle of the limiting portion (12) in the horizontal direction The second mounting portion (14) formed continuously along the horizontal direction of the portion (13), the second mounting portion (14) is cut to form a holding portion (15), and the connecting plate (2) is mounted on the rotating On the first mounting portion (13) on the shaft (I), the clamping portion (15) abuts against the connecting plate (2), and the backrest edge plate (3) is fixedly mounted on the second mounting On the second mounting portion (14), the fixing washer (4) is fixedly installed on the second mounting portion (14), and the backrest edge plate (3) is fixed on the first mounting portion (13) and the fixing washer (4) between. 2. riveting limiting mechanism as claimed in claim 1, is characterized in that: described backrest edge plate (3) has body (31) and fixing part (32) that is connected with body (31), fixing part (32) A fixing hole (33) is formed on the upper portion corresponding to the second mounting portion (14), and the backrest edge plate (3) is fixedly mounted on the second mounting portion (14) through the fixing hole (33). 3. riveting limiting mechanism as claimed in claim 2, is characterized in that: one side of the fixing part (32) of the described backrest edge plate (3) is cut to form an escape groove (34), and the other side of the fixing part (32) is cut to form an escape groove (34). One side is provided with a fixing groove (35), and the second mounting part (14) of the rotating shaft (I) passes through the fixing hole (33) of the backrest side plate (3) to fix the backrest side plate (3) on the backrest side plate (3). on the second mounting portion (14) of the rotating shaft (I), and the end of the second mounting portion (14) protrudes out of the backrest edge plate (3) and is located in the fixing groove (35), the The fixing washer (4) is fixedly installed on the second mounting portion (14) and is located in the fixing groove (35). 4. The riveting limiting mechanism according to claim 2, wherein the fixing hole (33) on the fixing portion (32) of the backrest edge plate (3) is in a semicircular structure. 5. The riveting limiting mechanism according to claim 1, wherein the diameter of the first mounting portion (13) is greater than the diameter of the second mounting portion (13).