Carbon fiber windscreen wiper rod

Abstract

The utility model discloses a carbon fiber wiper rod which comprises a connecting rod and a wiper blade mounting rod, the connecting rod is made of carbon fiber materials and comprises a first hollow rod body and a metal sleeve mounting portion connected to one end of the first hollow rod body, and a metal sleeve used for being connected with a rotating shaft of a motor is embedded in the metal sleeve mounting portion. The wiper blade mounting rod is made of a carbon fiber material and comprises a second hollow rod body and a wiper blade buckle mounting part connected to one end of the second hollow rod body, and the wiper blade buckle mounting part is provided with a wiper blade buckle; the end, away from the wiper blade buckle installation part, of the second hollow rod body is rotationally connected to the end, away from the metal sleeve installation part, of the first hollow rod body. The first hollow rod body and the second hollow rod body are formed by adopting two sets of molds, the mold cost is low, the production process is simplified, the product processing efficiency is further improved, the metal sleeve is pre-buried and formed in the metal sleeve mounting part, the connecting strength of the metal sleeve and the connecting rod is improved, and the stability is better.

Description

Technical Field

[0001] The utility model relates to the technology of a windshield wiper rod, in particular to a carbon fiber windshield wiper rod. Background Art

[0002] An automobile windshield wiper rod is an essential and important component on an automobile. Its quality directly affects driving safety. At the same time, it is also a vulnerable part. Therefore, its quality is particularly crucial. Currently, the main body material of the windshield wiper rod used on the market is made of iron or aluminum. During use, it is extremely easy to rust and corrode due to sun exposure and rain, resulting in a lack of function and affecting driving safety. At the same time, the plastic buckle used to install the rubber windshield wiper blade is also extremely easy to age and damage due to environmental influence.

[0003] In the prior art, as shown in Figure 1 and Figure 2 a carbon fiber windshield wiper rod is disclosed. Its connecting rod and the windshield wiper blade mounting rod both include an upper shell and a lower shell. The upper shell and the lower shell are fixedly connected by gluing. In this structure, four sets of molds are required to separately manufacture the upper shell and the lower shell during production and processing. The mold cost is high, the process is complex, and the processing efficiency is low. Moreover, the metal sleeve used for connecting to the rotating shaft of the motor is arranged in the connecting rod by gluing, and the connection stability is poor.

[0004] Therefore, it is necessary to design a new technical solution to solve the above problems. Content of the Utility Model

[0005] In view of this, in view of the deficiencies of the prior art, the main purpose of the present utility model is to provide a carbon fiber windshield wiper rod. Its connecting rod includes a first hollow rod body, and the windshield wiper blade mounting rod includes a second hollow rod body. The first hollow rod body and the second hollow rod body can be formed by using two sets of molds. The mold cost is low, the production process is simplified, and thus the processing efficiency of the product is improved. Moreover, the metal sleeve is pre-embedded and formed in the metal sleeve installation part, improving the connection strength between the metal sleeve and the connecting rod, and the stability is better.

[0006] To achieve the above purpose, the present utility model adopts the following technical solution:

[0007] A carbon fiber windshield wiper rod, comprising:

[0008] A connecting rod, the connecting rod is made of carbon fiber, the connecting rod includes a first hollow rod body and a metal sleeve installation part connected to one end of the first hollow rod body, and a metal sleeve for connecting to the rotating shaft of the motor is embedded in the metal sleeve installation part;

[0009] Windshield wiper blade mounting rod, the windshield wiper blade mounting rod is made of carbon fiber, the windshield wiper blade mounting rod includes a second hollow rod body and a windshield wiper blade buckle mounting portion connected to one end of the second hollow rod body, the windshield wiper blade buckle mounting portion is provided with a windshield wiper blade buckle, and the end of the second hollow rod body far from the windshield wiper blade buckle mounting portion is rotatably connected to the end of the first hollow rod body far from the metal sleeve mounting portion.

[0010] As a preferred solution, a tension spring is connected between the connecting rod and the windshield wiper blade mounting rod. A spring mounting groove is opened at the end of the second hollow rod body far from the windshield wiper blade buckle mounting portion. A reinforcing metal ring for hanging the tension spring is embedded in the second hollow rod body. The tension spring is arranged in the spring mounting groove. One end of the tension spring is hung on the reinforcing metal ring. A pin is inserted through the end of the first hollow rod body far from the metal sleeve mounting portion. The other end of the tension spring is hung on the pin through a C-shaped hook. The C-shaped hook is located below the rotational connection between the second hollow rod body and the first hollow rod body. The reinforcing metal ring is located on the lower wall surface of the second hollow rod body.

[0011] As a preferred solution, two first rotational connection walls arranged at intervals are provided at the end of the first hollow rod body far from the metal sleeve mounting portion. Two second rotational connection walls arranged at intervals are provided at the end of the second hollow rod body far from the windshield wiper blade buckle mounting portion. The two first rotational connection walls are rotatably connected between the two second rotational connection walls.

[0012] As a preferred solution, a shaft structure is inserted through the first rotational connection wall and the second rotational connection wall together. The shaft structure includes a pin and two screws. The pin is inserted through the first rotational connection wall and the second rotational connection wall. Both ends of the pin are fixed to the second rotational connection wall by screws.

[0013] As a preferred solution, a washer is provided between the screw and the second rotational connection wall.

[0014] As a preferred solution, a bushing is sleeved outside the pin. The bushing is located between the two second rotational connection walls and passes through the two first rotational connection walls.

[0015] As a preferred solution, the metal sleeve mounting portion is in a circular ring shape, the metal sleeve is in a square shape, chamfered portions are provided at the four corners of the metal sleeve, and a frustum is provided on the metal sleeve and exposed outside the metal sleeve mounting portion.

[0016] As a preferred solution, a plug-in slot is provided in the windshield wiper blade buckle mounting portion. The windshield wiper blade buckle is inserted into the plug-in slot from the end of the plug-in slot, and the end of the windshield wiper blade buckle covers the end of the plug-in slot.

[0017] As a preferred solution, the windshield wiper blade buckle is made of plastic.

[0018] As a preferred solution, the outer circumference of the second hollow rod body is gradually reduced from an end of the second hollow rod body close to the first hollow rod body toward an end of the second hollow rod body far away from the first hollow rod body.

[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0020] Mainly, the connecting rod includes a first hollow rod body, and the wiper blade mounting rod includes a second hollow rod body. The first hollow rod body and the second hollow rod body can be formed by two sets of molds. The mold cost is low, which simplifies the production process and thus improves the processing efficiency of the product. The metal sleeve is pre-embedded in the metal sleeve mounting part, which improves the connection strength between the metal sleeve and the connecting rod and has better stability.

[0021] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the prior art;

[0023] Figure 2 is a cross-sectional view of the prior art;

[0024] Figure 3 It is a three-dimensional schematic diagram of a preferred embodiment of the utility model;

[0025] Figure 4 It is a schematic diagram of the assembly of the metal sleeve of the preferred embodiment of the utility model;

[0026] Figure 5 It is an exploded schematic diagram of a preferred embodiment of the utility model;

[0027] Figure 6 yes Figure 5 The cross-sectional view at A1-A1;

[0028] Figure 7 yes Figure 5 The cross-sectional view at A2-A2 in the middle;

[0029] Figure 8 It is a cross-sectional view of a preferred embodiment of the utility model.

[0030] Description of the accompanying drawings:

[0031] 1. Connecting rod 2. Wiper blade mounting rod

[0032] 3. Wiper blade buckle 4. Strengthen metal ring

[0033] 5. Tension spring 6. Pin

[0034] 7. C-shaped hook 8. Bushing

[0035] 9. Plug pin 10. Metal sleeve

[0036] 11. Screw 12. Washer

[0037] 13. First hollow rod body 14. Metal sleeve mounting part

[0038] 15. Second hollow rod body 16. Wiper blade buckle mounting part

[0039] 17. Spring installation groove 18. First rotating connection wall

[0040] 19. Second rotating connection wall 20. Insertion slot

[0041] 21. Frustum. Detailed implementation manners

[0042] First of all, it should be noted that in the description of the present utility model, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it should not be construed as a limitation to the present utility model.

[0043] Please refer to Figures 3 to 8 as shown, which shows the specific structure of the preferred embodiment of the present utility model, including a connecting rod 1 and a wiper blade mounting rod 2.

[0044] The connecting rod 1 is made of carbon fiber. The connecting rod 1 includes a first hollow rod body 13 and a metal sleeve mounting part 14 connected to one end of the first hollow rod body 13. A metal sleeve 10 for connecting to the rotating shaft of the motor is embedded in the metal sleeve mounting part 14, and the metal sleeve 10 can be an aluminum part;

[0045] The wiper blade mounting rod 2 is made of carbon fiber. The wiper blade mounting rod 2 includes a second hollow rod body 15 and a wiper blade buckle mounting part 16 connected to one end of the second hollow rod body 15. A wiper blade buckle 3 is installed on the wiper blade buckle mounting part 16. One end of the second hollow rod body 15 far from the wiper blade buckle mounting part 16 is rotatably connected to one end of the first hollow rod body 13 far from the metal sleeve mounting part 14. Both the first hollow rod body 13 and the second hollow rod body 15 can be formed by a vacuum pressure tank mold.

[0046] Refer to Figure 5 and Figure 8As shown, a tension spring 5 is connected between the connecting rod 1 and the wiper blade mounting rod 2. One end of the second hollow rod body 15 away from the wiper blade snap mounting portion 16 is provided with a spring mounting groove 17. A reinforcing metal ring 4 for hanging the tension spring 5 is embedded on the second hollow rod body 15. The tension spring 5 is arranged in the spring mounting groove 17. One end of the tension spring 5 is hung on the reinforcing metal ring 4. A pin 9 is inserted through one end of the first hollow rod body 13 away from the metal sleeve mounting portion 14. The pin 9 is a cylindrical pin. The other end of the tension spring 5 is hung on the pin 9 through a C-shaped hook 7. The C-shaped hook 7 is located below the rotational connection between the second hollow rod body 15 and the first hollow rod body 13. The reinforcing metal ring 4 is located on the lower wall surface of the second hollow rod body 15. The setting of the reinforcing metal ring 4 further improves the connection strength between the tension spring 5 and the second hollow rod body 15 and is not easily damaged;

[0047] Specifically, two first rotational connection walls 18 arranged at intervals are provided at one end of the first hollow rod body 13 away from the metal sleeve mounting portion 14. Two second rotational connection walls 19 arranged at intervals are provided at one end of the second hollow rod body 15 away from the wiper blade snap mounting portion 16. The two first rotational connection walls 18 are rotationally connected between the two second rotational connection walls 19. A rotating shaft structure is inserted through the first rotational connection wall 18 and the second rotational connection wall 19 together. The rotating shaft structure includes a pin 6 and two screws 11. The pin 6 is inserted through the first rotational connection wall 18 and the second rotational connection wall 19. Both ends of the pin 6 are fixed to the second rotational connection wall 19 through screws 11;

[0048] Preferably, a washer 12 is provided between the screw 11 and the second rotational connection wall 19. A bushing 8 is sleeved outside the pin 6. The bushing 8 is located between the two second rotational connection walls 19 and passes through the two first rotational connection walls 18.

[0049] Refer to Figure 4 and Figure 5 As shown, the metal sleeve mounting portion 14 is in a circular ring shape. The metal sleeve 10 is in a square shape. Chamfered portions are provided at the four corners of the metal sleeve 10. The metal sleeve 10 is provided with a frustum 21 exposed outside the metal sleeve mounting portion 14.

[0050] Refer to Figure 3 As shown, the wiper blade snap mounting portion 16 is provided with a socket 20. The wiper blade snap 3 is inserted into the socket 20 from the end of the socket 20. The end of the wiper blade snap 3 covers the end of the socket 20. The wiper blade snap 3 is made of plastic. The setting of the socket 20 facilitates the replacement of the wiper blade snap 3. When the wiper blade snap 3 is damaged, there is no need to replace the entire wiper rod, which can save the replacement cost.

[0051] Refer to Figure 8As shown, the outer peripheral dimension of the second hollow rod body 15 is set to gradually decrease from the end of the second hollow rod body 15 close to the first hollow rod body 13 towards the end far from the first hollow rod body 13.

[0052] The design focus of the present utility model lies in:

[0053] Specifically, the connecting rod includes a first hollow rod body, the wiper blade mounting rod includes a second hollow rod body, and the first hollow rod body and the second hollow rod body can be formed by using two sets of molds. The mold cost is low, the production process is simplified, thereby improving the processing efficiency of the product. Moreover, the metal sleeve is pre-embedded and formed in the metal sleeve mounting portion, which improves the connection strength between the metal sleeve and the connecting rod and has better stability.

[0054] The above is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A carbon fiber wiper rod, characterized in that, include: A connecting rod, the connecting rod is made of carbon fiber, the connecting rod comprises a first hollow rod body and a metal sleeve mounting portion connected to one end of the first hollow rod body, the metal sleeve mounting portion is embedded with a metal sleeve for connecting to the rotating shaft of the motor; A wiper blade mounting rod, the wiper blade mounting rod is made of carbon fiber, the wiper blade mounting rod comprises a second hollow rod body and a wiper blade buckle mounting portion connected to one end of the second hollow rod body, the wiper blade buckle mounting portion is equipped with a wiper blade buckle, and one end of the second hollow rod body away from the wiper blade buckle mounting portion is rotatably connected to one end of the first hollow rod body away from the metal sleeve mounting portion.

2. The carbon fiber wiper rod according to claim 1, characterized in that, A tension spring is connected between the connecting rod and the wiper blade mounting rod, a spring mounting groove is provided at one end of the second hollow rod body away from the wiper blade buckle mounting portion, a reinforcing metal ring for hanging the tension spring is pre-embedded on the second hollow rod body, the tension spring is arranged in the spring mounting groove, one end of the tension spring is hung on the reinforcing metal ring, a latch is passed through one end of the first hollow rod body away from the metal sleeve mounting portion, the other end of the tension spring is hung on the latch through a C-shaped hook, the C-shaped hook is located below the rotational connection between the second hollow rod body and the first hollow rod body, and the reinforcing metal ring is located on the lower wall of the second hollow rod body.

3. A carbon fiber wiper rod according to claim 1, characterized in that, One end of the first hollow rod body away from the metal sleeve mounting portion is provided with two first rotating connecting walls arranged at a distance from each other, and one end of the second hollow rod body away from the wiper blade buckle mounting portion is provided with two second rotating connecting walls arranged at a distance from each other, and the two first rotating connecting walls are rotatably connected between the two second rotating connecting walls.

4. A carbon fiber wiper rod according to claim 3, characterized in that, The first rotating connecting wall and the second rotating connecting wall are both provided with a rotating shaft structure, and the rotating shaft structure includes a pin and two screws. The pin is provided through the first rotating connecting wall and the second rotating connecting wall, and both ends of the pin are fixed to the second rotating connecting wall by screws.

5. A carbon fiber wiper rod according to claim 4, characterized in that, A washer is arranged between the screw and the second rotation connection wall.

6. The carbon fiber wiper rod according to claim 4, characterized in that, The pin outer sleeve is provided with a bushing, which is located between the two second rotation connecting walls and passes through the two first rotation connecting walls.

7. A carbon fiber wiper rod according to claim 1, characterized in that, The metal sleeve mounting portion is in a circular ring shape, the metal sleeve is in a square shape, four corners of the metal sleeve are provided with chamfered portions, and the metal sleeve is provided with a truncated table exposed outside the metal sleeve mounting portion.

8. A carbon fiber wiper rod according to claim 1, characterized in that, The wiper blade buckle mounting portion is provided with an inserting slot, the wiper blade buckle is inserted into the inserting slot from the end of the inserting slot, and the end of the wiper blade buckle covers the end of the inserting slot.

9. A carbon fiber wiper rod according to claim 8, characterized in that, The wiper blade buckle is made of plastic.

10. A carbon fiber wiper rod according to claim 1, characterized in that, The outer circumference of the second hollow rod body is gradually reduced from an end of the second hollow rod body close to the first hollow rod body toward an end of the second hollow rod body far away from the first hollow rod body.

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