L-shaped supporting rod with waterproof function
By setting up a waterproof structure between the key components of the car tailgate strut, the problem of the existing tailgate strut failure caused by water in heavy rain is solved, and higher waterproof performance and service life are achieved.
Patent Information
- Application Number
- CN202420325527.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-02-21
AI Technical Summary
The sheath of the existing car tailgate struts lacks waterproof function, which causes water to enter the electric tailgate struts in heavy rain, damaging the motor and electronic components, causing functional failure.
An L-shaped strut with waterproof function is designed, and a waterproof structure is provided between the drive assembly, screw assembly and wire cover assembly, including a waterproof groove and a waterproof ring, enhances the sealing property and prevents water from entering.
It effectively improves the waterproof performance of the L-shaped strut, avoids failure in bad weather, and extends service life.
Smart Images

Figure CN222526101U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to an L-shaped support rod with a waterproof function. Background Art
[0002] With the continuous development of the automobile industry, car styles are becoming more and more diversified. Existing cars are generally equipped with electric tailgates, which are actually electric trunks. To open the trunk, just press a button in the car or a remote control key, and the trunk will open automatically. If you want to close the trunk, just press the close button in the trunk or the close button in the car, or use the remote control key, and the trunk will close automatically. The tailgate support rod is an indispensable component of the tailgate of an electric car.
[0003] The current tailgate support rod cover usually does not have a waterproof function. If the amount of water flowing through the rain gutter is relatively large, the water will pass through the gaps between the electric tailgate support rod parts and enter the electric tailgate support rod, damaging the motor and other electronic components, causing the electric tailgate support rod to fail. Utility Model Content
[0004] In order to solve the technical problems existing in the background technology, the utility model proposes an L-shaped support rod with waterproof function.
[0005] The technical solution adopted by the utility model to solve its technical problems is as follows:
[0006] An L-shaped support rod with waterproof function, comprising a screw rod assembly for driving a tailgate, a damper assembly connected to the screw rod assembly, a driving assembly for driving the screw rod assembly, and a wire protection sleeve assembly connected to an input end of the driving assembly, wherein the driving assembly comprises a transmission part connected to the screw rod assembly and a driving part for driving the transmission part to rotate, wherein one end of the transmission part is connected to the damper assembly and the other end is connected to the screw rod assembly;
[0007] A first waterproof structure is arranged between the driving assembly and the damper assembly, a second waterproof structure is arranged between the driving assembly and the screw assembly, and the wire sheath assembly is connected to the bottom of the driving assembly, and a third waterproof structure is arranged between the driving assembly and the wire sheath assembly.
[0008] Preferably, the waterproof structure includes a first waterproof groove formed on the damper assembly, and a first waterproof ring disposed in the first waterproof groove, and the first waterproof ring abuts against the inner wall of the transmission part. Through the above improvement, the first waterproof ring can increase the sealing between the transmission part and the damper assembly, and prevent water from entering the interior of the strut through the gap between the transmission part and the damper.
[0009] Preferably, the second waterproof structure includes a second waterproof groove formed on the screw assembly, and a second waterproof ring arranged in the second waterproof groove, and the second waterproof ring abuts against the end of the transmission part. Through the above improvement, the second waterproof ring can increase the sealing between the transmission part and the screw assembly, and prevent water from entering the inside of the support rod through the gap between the transmission part and the screw assembly.
[0010] Preferably, the third waterproof structure includes a third waterproof groove formed on the sheath assembly, and a third waterproof ring disposed in the third waterproof groove, and the third waterproof ring abuts against the inner wall of the driving part. Through the above improvement, the third sealing ring can increase the sealing between the sheath assembly and the driving part, and prevent water from entering the inside of the strut through the gap between the sheath assembly and the driving part.
[0011] Preferably, the screw assembly includes a mounting seat connected to the transmission part, a screw rod rotated in the mounting seat, and a telescopic rod connected to the screw rod, wherein the telescopic rod is connected to the transmission part and partially extends out of the transmission part to connect to the damper assembly. Through the above improvements, the driving part can drive the transmission part to work, and as the transmission part rotates, the screw rod will be driven to rotate, and the telescopic rod will extend or retract under the action of the screw rod, and the end of the screw rod assembly partially extends out of the transmission part to connect to the damper assembly, making the operation of the screw rod more stable.
[0012] Preferably, the second waterproof structure further comprises a tight ring sleeved on the screw rod, and a dynamic sealing ring sleeved on the tight ring, wherein the inner wall of the dynamic sealing ring abuts against the outer periphery of the tight ring, and the outer ring of the dynamic sealing ring abuts against the mounting seat. Through the above improvement, the dynamic sealing ring is used to increase the sealing performance between the screw rod and the mounting seat, thereby preventing water from entering the interior of the support rod through the gap between the screw rod and the telescopic rod during the process of the screw rod driving the telescopic rod to move, thereby greatly improving the waterproof performance.
[0013] Preferably, a reset member is sleeved on the mounting seat, and a connecting member is provided on the telescopic rod, one end of the reset member is connected to the mounting seat, and the other end is connected to the connecting member, and the connecting member includes a first connecting block and a second connecting block clamped on the telescopic rod, a fixing groove for the end of the telescopic rod to be inserted is formed between the first connecting block and the second connecting block, and a connecting boss is formed on the first connecting block, and a connecting groove for the connecting boss to be inserted is formed on the second connecting block. Through the above improvements, one end of the reset member is connected to the mounting seat, and the other end is connected to the telescopic rod, so that the telescopic rod can be retracted more smoothly, and the connecting member is arranged in a split manner, which is more convenient for assembly.
[0014] Preferably, the cable sheath assembly includes a connection seat connected to the driving part, and a sheath connected to the bottom of the connection seat, the bottom of the connection seat extends downward with a snap-on protrusion, the sheath is formed with a snap-on groove for the waterproof protrusion to be placed, and the sheath is formed with a waterproof protrusion, the waterproof protrusion abuts against the peripheral side of the snap-on protrusion. Through the above improvements, the sealing between the connection seat and the sheath is improved, and water is prevented from entering the sheath through the gap between the connection seat and the sheath, thereby damaging the internal components.
[0015] Preferably, a sealing sleeve is formed at the end of the sheath, a waterproof portion is extended from the sealing sleeve, and a water-blocking slope is formed at the end of the waterproof portion to prevent water from entering the sheath. Through the above improvements, when water flows along the sheath, the water-blocking slope on the waterproof portion will block the water, preventing it from continuing to flow forward, and preventing water from entering the sheath, thereby avoiding damage to the internal connecting wires of the sheath.
[0016] Preferably, a first abutment portion is formed on the outer periphery of the sealing sleeve, a mounting portion extends from the bottom of the sealing sleeve, a second abutment portion extends upward from the outer periphery of the mounting portion, the first abutment portion abuts against the outer wall of the tailgate, and the second abutment portion abuts against the inner wall of the tailgate. Through the above improvements, the first abutment portion and the second abutment portion abut against the inner wall and outer wall of the tailgate sheet metal, respectively, thereby greatly improving the waterproof performance.
[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0018] The L-shaped support rod in this embodiment is divided into a screw rod assembly for driving the tailgate, a damper assembly connected to the screw rod assembly, a driving assembly for driving the screw rod assembly, and a wire sleeve assembly connected to the input end of the driving assembly. A waterproof structure is provided between the connecting parts of each component, thereby greatly improving the waterproofness of the entire L-shaped support rod and preventing the support rod from failing when the amount of water is too large. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a cross-sectional view of the transmission part of the utility model in cooperation with the screw assembly and the damper assembly;
[0021] Figure 3 It is a cross-sectional view of the cooperation between the driving part and the wire protection sleeve assembly of the utility model;
[0022] Figure 4 It is an exploded view of the connecting piece of the utility model;
[0023] Figure 5 It is a structural schematic diagram of the screw rod of the utility model;
[0024] Figure 6 It is a structural schematic diagram of the wire protection cover assembly of the utility model;
[0025] Figure 7 For the utility model Figure 2 A partial enlarged view of the middle A;
[0026] Figure 8 For the utility model Figure 2 A partial enlarged view of point B in the middle;
[0027] Fig. 9 For the utility model Figure 3 A partial enlarged view of point C in the middle;
[0028] Fig.10 For the utility model Figure 3 A partial enlarged view of point D in the middle;
[0029] In the figure: 1, screw assembly; 2, damper assembly; 3, drive assembly; 4, wire cover assembly; 101, transmission part; 102, drive part; 103, first waterproof structure; 104, second waterproof structure; 105, third waterproof structure; 201, first waterproof groove; 202, first waterproof ring; 301, second waterproof groove; 302, second waterproof ring; 303, tight ring; 304, dynamic sealing ring; 401, third waterproof groove; 402, third waterproof ring; 501, mounting seat; 502, screw ; 503, telescopic rod; 504, reset member; 505, connecting member; 506, first connecting block; 507, second connecting block; 508, fixing groove; 509, connecting boss; 510, connecting groove; 601, connecting seat; 602, sheath; 603, snap-fitting convex part; 604, snap-fitting groove; 605, waterproof convex part; 701, sealing sleeve; 702, waterproof part; 703, water-retaining inclined surface; 704, first abutting part; 705, mounting part; 706, second abutting part; 707, water-guiding convex part; DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] It should be understood that although the terms upper, middle, lower, top, end, etc. appear in this article to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish elements from each other for easy understanding, and are not used to define any direction or order limitation.
[0032] like Figure 1-10 As shown, an L-shaped support rod with waterproof function includes a screw rod assembly 1 for driving the tailgate to move, a damper assembly 2 connected to the screw rod assembly 1, a driving assembly 3 for driving the screw rod assembly 1 to move, and a wire protection sleeve assembly 4 connected to the input end of the driving assembly 3. The driving assembly 3 includes a transmission part 101 for driving the screw rod assembly 1 to move, and a driving part 102 for driving the transmission part 101 to rotate. One end of the transmission part 101 is connected to the damper assembly 2, and the other end is connected to the screw rod assembly 1.
[0033] Specifically, a first waterproof structure 103 is arranged between the transmission part 101 and the damper assembly 2, a second waterproof structure 104 is arranged between the transmission part 101 and the screw assembly 1, and the wire sheath assembly 4 is connected to the bottom of the driving part 102, and a third waterproof structure 105 is arranged between the driving part 102 and the wire sheath assembly 4.
[0034] By setting a waterproof structure between the various components of the support pole, water cannot enter the interior of the support pole through the gaps between the components, thereby greatly improving the waterproof performance of the entire support pole. It can not only withstand severe heavy rainfall weather, but also increase the service life of the support pole.
[0035] like Figure 2 , Figure 3 , Figure 5 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 As shown, further explanation of the waterproof structure in the support rod in this embodiment is provided. The first waterproof structure 103 includes a first waterproof groove 201 formed on the damper assembly 2, and a first waterproof ring 202 arranged in the first waterproof groove 201, and the first waterproof ring 202 abuts against the inner wall of the transmission part 101. When the damper assembly 2 is connected to the transmission part 101, the first waterproof ring 202 in the first waterproof groove 201 will be squeezed by the transmission part 101, so that the first waterproof ring 202 fills the gap between the transmission part 101 and the damper assembly 2, so that water cannot enter the interior of the support rod through the gap between the transmission part 101 and the damper, thereby greatly increasing the sealing between the transmission part 101 and the damper assembly 2.
[0036] Furthermore, the second waterproof structure 104 includes a second waterproof groove 301 formed on the screw assembly 1, and a second waterproof ring 302 arranged in the second waterproof groove 301. When the screw assembly 1 is connected to the transmission part 101, the second waterproof ring 302 in the second waterproof groove 301 will be squeezed with the end of the transmission part 101, so that the second waterproof ring 302 fills the gap between the transmission part 101 and the screw assembly 1, thereby preventing water from entering the interior of the support rod from the gap between the transmission part 101 and the screw assembly 1, further increasing the sealing of the support rod.
[0037] In addition, the third waterproof structure 105 includes a third waterproof groove 401 formed on the wire sheath assembly 4, and a third waterproof ring 402 arranged in the third waterproof groove 401. When the wire sheath assembly 4 is connected to the bottom of the driving part 102, the third waterproof ring 402 in the third waterproof groove 401 will abut against the inner wall of the driving part 102, thereby filling the gap between the driving part 102 and the wire sheath assembly 4, preventing water from entering the interior of the support pole through the gap between the wire sheath assembly 4 and the driving part 102, so as to increase the waterproofness of the entire support pole.
[0038] like Figure 2 , Figure 4 , Figure 5 As shown, as a further explanation of the implementation method of the screw rod assembly 1 in this embodiment, the screw rod assembly 1 includes a mounting seat 501 connected to the transmission part 101, a screw rod 502 rotated in the mounting seat 501, and a telescopic rod 503 transmission-connected to the screw rod 502, the telescopic rod 503 is transmission-connected to the transmission part 101, and partially extends out of the transmission part 101 to be connected to the damper assembly 2.
[0039] During the operation of the support rod, the driving part 102 drives the transmission part 101 to work. As the transmission part 101 rotates, the screw rod 502 is driven to rotate. The telescopic rod 503 is extended or retracted under the action of the screw rod 502, and the input end part of the screw rod assembly 1 extends out of the transmission part 101 and is connected to the damper assembly 2, making the operation of the screw rod 502 more stable, thereby improving the smoothness of the tailgate opening process.
[0040] Furthermore, the second waterproof structure 104 further includes a tight ring 303 sleeved on the screw rod 502 and a dynamic sealing ring 304 sleeved on the tight ring 303.
[0041] The inner wall of the dynamic sealing ring 304 abuts against the outer periphery of the tightening ring 303, and the outer ring of the dynamic sealing ring 304 abuts against the mounting seat 501. The dynamic sealing ring 304 is used to increase the sealing between the screw rod 502 and the mounting seat 501, thereby preventing water from entering the interior of the support rod through the gap between the screw rod 502 and the telescopic rod 503 during the process of the screw rod 502 driving the telescopic rod 503 to move, thereby greatly improving the waterproof performance.
[0042] In addition, a reset member 504 is sleeved on the mounting seat 501, and a connecting member 505 is provided on the telescopic rod 503. One end of the reset member 504 is connected to the mounting seat 501, and the other end is connected to the connecting member 505, so that the telescopic rod 503 can be retracted more smoothly.
[0043] Among them, the connecting member 505 includes a first connecting block 506 and a second connecting block 507 which are clamped on the telescopic rod 503, and a fixing groove 508 for the end of the telescopic rod 503 to be inserted is formed between the first connecting block 506 and the second connecting block 507, and a connecting boss 509 is formed on the first connecting block 506, and a connecting groove 510 for the connecting boss 509 to be inserted is formed on the second connecting block 507. The connecting member 505 is arranged in a split type, which is more convenient for assembly.
[0044] like Figure 6 As shown, further explanation of the implementation method of the wire sheath assembly 4 in this embodiment, the wire sheath assembly 4 includes a connecting seat 601 connected to the driving part 102, and a sheath 602 connected to the bottom of the connecting seat 601, a snap-fitting protrusion 603 extends downward from the bottom of the connecting seat 601, and a snap-fitting groove 604 is formed in the sheath 602 for the waterproof protrusion 605 to be placed therein, when the snap-fitting protrusion 603 is inserted into the sheath 602, the snap-fitting protrusion 603 enters the snap-fitting groove 604, thereby improving the sealing between the connecting seat 601 and the sheath 602.
[0045] Preferably, a waterproof protrusion 605 is formed on the inner wall of the sheath 602 , and the waterproof protrusion 605 abuts against the peripheral side of the clamping protrusion 603 , further improving the sealing between the connecting seat 601 and the sheath 602 .
[0046] Among them, a sealing sleeve 701 is formed at the end of the sheath 602, a waterproof part 702 is extended from the sealing sleeve 701, and a water-retaining slope 703 is formed at the end of the waterproof part 702. When water flows along the sheath 602, the water-retaining slope 703 on the waterproof part 702 will block the water, so that the water cannot continue to flow forward, and isolate the water from entering the sheath 602, thereby avoiding damage to the internal connecting wires of the sheath 602.
[0047] A first abutment portion 704 is formed on the outer periphery of the sealing sleeve 701, a mounting portion 705 extends from the bottom of the sealing sleeve 701, and a second abutment portion 706 extends upward from the outer periphery of the mounting portion 705. The first abutment portion 704 and the second abutment portion 706 abut against the inner and outer walls of the tailgate sheet metal respectively, thereby greatly increasing the waterproof performance.
[0048] Preferably, a plurality of water-guiding protrusions 707 are formed on the sheath 602 to prevent water from entering the support rod along the sheath 602 .
[0049] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. An L-shaped support rod with waterproof function, characterized in that: The invention comprises a screw assembly (1) for driving a tailgate to move, a damper assembly (2) connected to the screw assembly (1), a driving assembly (3) for driving the screw assembly (1) to move, and a wire protection sleeve assembly (4) connected to an input end of the driving assembly (3); the driving assembly (3) comprises a transmission part (101) connected to the screw assembly (1), and a driving part (102) for driving the transmission part (101) to rotate; one end of the transmission part (101) is connected to the damper assembly (2), and the other end is connected to the screw assembly (1); A first waterproof structure (103) is arranged between the drive assembly (3) and the damper assembly (2), a second waterproof structure (104) is arranged between the drive assembly (3) and the screw assembly (1), the wire sheath assembly (4) is connected to the bottom of the drive assembly (3), and a third waterproof structure (105) is arranged between the drive assembly (3) and the wire sheath assembly (4).
2. The L-shaped support rod with waterproof function according to claim 1, characterized in that: The first waterproof structure (103) comprises a first waterproof groove (201) formed on the damper assembly (2), and a first waterproof ring (202) arranged in the first waterproof groove (201), and the first waterproof ring (202) abuts against the inner wall of the transmission part (101).
3. The L-shaped support rod with waterproof function according to claim 1, characterized in that: The second waterproof structure (104) comprises a second waterproof groove (301) formed on the screw assembly (1), and a second waterproof ring (302) arranged in the second waterproof groove (301), and the second waterproof ring (302) is in abutment with the end of the transmission part (101).
4. The L-shaped support rod with waterproof function according to claim 1, characterized in that: The third waterproof structure (105) comprises a third waterproof groove (401) formed on the wire protection cover assembly (4), and a third waterproof ring (402) arranged in the third waterproof groove (401), and the third waterproof ring (402) abuts against the inner wall of the driving part (102).
5. The L-shaped support rod with waterproof function according to claim 1, characterized in that: The screw rod assembly (1) comprises a mounting seat (501) connected to a transmission part (101), a screw rod (502) rotated in the mounting seat (501), and a telescopic rod (503) transmission-connected to the screw rod (502); the telescopic rod (503) is transmission-connected to the transmission part (101) and partially extends out of the transmission part (101) to be connected to the damper assembly (2).
6. The L-shaped support rod with waterproof function according to claim 5, characterized in that: The second waterproof structure (104) further comprises a tight ring (303) sleeved on the screw rod (502), and a dynamic sealing ring (304) sleeved on the tight ring (303), wherein the inner wall of the dynamic sealing ring (304) abuts against the outer periphery of the tight ring (303), and the outer ring of the dynamic sealing ring (304) abuts against the mounting seat (501).
7. The waterproof L-shaped support rod according to claim 5, characterized in that: The mounting seat (501) is sleeved with a reset member (504), and the telescopic rod (503) is provided with a connecting member (505), one end of the reset member (504) is connected to the mounting seat (501), and the other end is connected to the connecting member (505), and the connecting member (505) comprises a first connecting block (506) and a second connecting block (507) which are clamped on the telescopic rod (503), a fixing groove (508) for the end of the telescopic rod (503) to be inserted is formed between the first connecting block (506) and the second connecting block (507), and a connecting boss (509) is formed on the first connecting block (506), and a connecting groove (510) for the connecting boss (509) to be inserted is formed on the second connecting block (507).
8. The L-shaped support rod with waterproof function according to claim 1, characterized in that: The wire protection sleeve assembly (4) comprises a connection seat (601) connected to the driving part (102), and a sleeve (602) connected to the bottom of the connection seat (601); a snap-fitting protrusion (603) extends downward from the bottom of the connection seat (601); a snap-fitting groove (604) for inserting a waterproof protrusion (605) is formed in the sleeve (602); and a waterproof protrusion (605) is formed in the sleeve (602); the waterproof protrusion (605) abuts against the peripheral side of the snap-fitting protrusion (603).
9. The L-shaped support rod with waterproof function according to claim 8, characterized in that: A sealing sleeve (701) is formed at the end of the protective sleeve (602), a waterproof portion (702) is extended from the sealing sleeve (701), and a water-retaining inclined surface (703) is formed at the end of the waterproof portion (702) to prevent water from entering the protective sleeve (602).
10. The L-shaped support rod with waterproof function according to claim 9, characterized in that: A first abutting portion (704) is formed on the outer periphery of the sealing sleeve (701), a mounting portion (705) extends from the bottom of the sealing sleeve (701), a second abutting portion (706) extends upward from the outer periphery of the mounting portion (705), the first abutting portion (704) abuts against the outer wall of the tailgate, and the second abutting portion (706) abuts against the inner wall of the tailgate.