Door closing shock absorber and door mechanism provided with the same

Abstract

The present invention relates to a door closing shock absorption device comprising a first body, a second body coupled to the first body so as to be capable of relative movement in the longitudinal direction, and an elastic member disposed between the first body and the second body to elastically support the first body and the second body.

Description

Technology Field

[0001] The present invention relates to a door of a vehicle body, and more specifically, to a door closing shock absorption device and a door mechanism including the same. Background Technology

[0002] Various types of vehicle doors are used, including regular doors hinged to the body or pillars, scissor doors (or Lambo doors) that open and close by rotating upwards, butterfly doors or gull-wing doors that open and close upwards and outwards, sliding doors that open and close along the length of the body, and coach doors (or Suicide doors) in which the front and rear doors open and close in opposite directions.

[0003] In the case of opposing doors, the door panel and the weatherstrip may not be fully matched when the door is closed. This may cause the door to shake, impact between the door and the vehicle body, and noise.

[0004] The matters described in this background technology section are written to enhance understanding of the background of the invention and may include matters that are not prior art already known to those skilled in the art to which this technology belongs. The problem to be solved

[0005] The present invention relates to a door closing shock absorption device capable of absorbing shock when a door is closed to prevent shaking of the door, and a door mechanism including the same. means of solving the problem

[0006] The present invention relates to a door closing shock absorption device according to an embodiment of the invention, and may include a first body, a second body coupled to the first body so as to be able to move relative to the first body in the longitudinal direction, and an elastic member disposed between the first body and the second body to elastically support the first body and the second body.

[0007] The first body is mounted on the door, and the door closing shock absorber according to an embodiment of the present invention may further include a shock absorber mounted on one end of the second body.

[0008] The door closing shock absorption device according to an embodiment of the present invention may further include a guide portion mounted on the second body.

[0009] The above guide part may include a bearing.

[0010] The door mechanism according to an embodiment of the present invention may include the door closing shock absorption device according to an embodiment of the present invention.

[0011] The above-mentioned first body can be mounted on a door.

[0012] The door mechanism according to an embodiment of the present invention may further include a shock absorber mounted on one end of the second body.

[0013] The door mechanism according to an embodiment of the present invention may further include a guide portion mounted on the second body.

[0014] The above guide part may include a bearing.

[0015] The door mechanism according to an embodiment of the present invention is mounted on a vehicle body and may further include a guide rail that guides the movement of the guide portion.

[0016] The above guide rail may include a rail gate portion formed to allow the guide portion to be inserted / separated, a rail inclined portion that guides the guide portion in the width direction and length direction of the vehicle body, and a sliding portion that guides the guide portion in the length direction of the vehicle body.

[0017] The above guide rail may further include a contact portion formed to protrude to selectively contact the shock absorber.

[0018] The door mechanism according to an embodiment of the present invention may further include a guide rail bracket that connects the guide rail to the vehicle body.

[0019] The above door may be a facing door or a facing swing door.

[0020] The above door may be a rear door.

[0021] The above door closing shock absorber can be mounted on the lower part of the door. Effects of the invention

[0022] According to the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention, the shock can be absorbed when an opposing door is closed to prevent shaking of the door.

[0023] According to the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention, shock can be absorbed when a door is closed to suppress noise generation, thereby improving marketability.

[0024] Furthermore, other effects that can be obtained or predicted by the embodiments of the present invention will be disclosed directly or implicitly in the detailed description of the embodiments of the present invention. That is, various effects predicted according to the embodiments of the present invention will be disclosed within the detailed description to be set forth below. Brief explanation of the drawing

[0025] These drawings are for reference to explain exemplary embodiments of the present invention, and therefore, the technical concept of the present invention should not be interpreted as being limited to the attached drawings. FIGS. 1 to 4 are plan views showing the operation of a vehicle body to which a door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention can be applied. FIG. 5 is a side view of a vehicle body to which a door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention can be applied. FIG. 6 is a drawing showing a door mechanism including a door closing shock absorption device according to an embodiment of the present invention mounted on a door. FIG. 7 is a drawing showing a guide rail that can be applied to a door mechanism including a door closing shock absorption device according to an embodiment of the present invention. FIG. 8 is a partial perspective view of a door mechanism including a door closing shock absorption device according to an embodiment of the present invention. FIGS. 9 and FIGS. 10 are cross-sectional perspective views along line AA of FIG. 8 showing the operation of a door mechanism including a door closing shock absorption device according to an embodiment of the present invention. Specific details for implementing the invention

[0026] Hereinafter, embodiments of the present invention are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein.

[0027] To clearly explain the present invention, parts unrelated to the explanation have been omitted, and the same reference numerals are used for identical or similar components throughout the specification.

[0028] The size and thickness of each component shown in the drawings are depicted arbitrarily for the convenience of explanation, and thus the present invention is not necessarily limited to what is shown in the drawings; furthermore, the thickness has been enlarged to clearly represent various parts and regions.

[0029] Furthermore, in the detailed description below, the designation of components as "1st," "2nd," etc., is intended to distinguish them due to their identical nature, and is not strictly limited to that order in the description below.

[0030] Throughout the specification, when a part is described as including a certain component, this means that, unless specifically stated otherwise, it does not exclude other components but may include additional components.

[0031] In addition, terms such as ...part, ...means, etc., as described in the specification refer to a comprehensive unit of composition that performs at least one function or operation.

[0032] When a part such as a layer, membrane, region, or plate is said to be "on" another part, this includes not only the case where it is directly on top of the other part, but also the case where there is another part in between.

[0033] Conversely, when it is said that one part is "directly above" another part, it means that there is no other part in between.

[0034] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

[0035] FIGS. 1 to 4 are plan views showing the operation of a vehicle body to which a door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention can be applied.

[0036] In FIGS. 1 to 4, for ease of understanding, a door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention are shown in a pillarless car body with a coach door (also known as a suicide side door), but the invention is not limited thereto. That is, the door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention can be applied to a car body with pillars, and can also be applied to a car body with a facing door or a facing swing door.

[0037] In FIGS. 1 to 4, the vehicle body (10) to which the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention can be applied includes a door (20).

[0038] The above door (20) may include a front door (22) at the front of the vehicle and a rear door (24) at the rear of the vehicle.

[0039] For ease of understanding, the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention are described as being applied to the rear door (24), but are not limited thereto, and the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention may also be applied to the front door (22).

[0040] Drawing reference number 130 is a door mounting bracket for mounting the rear door (24) to the vehicle body (10), and the rear door (24) can swing or slide relative to the door mounting bracket (130).

[0041] Reference number 132 shown in FIG. 4 is a guide striker that guides the movement of the rear door (24) along the vehicle body length direction when the rear door (24) is sliding.

[0042] FIG. 1 shows the rear door (24) in a closed state, FIG. 2 shows the sliding operation of the rear door (24), FIG. 3 shows the transition operation from the sliding operation to the swing operation of the rear door (24), and FIG. 4 shows the rear door (24) in a fully open state.

[0043] In the detailed description and claims of the present invention, the sliding operation refers to the operation in which the door (20) moves in the front-rear direction of the vehicle body (10), and the swing operation refers to the door (20) rotating around a certain rotation axis.

[0044] FIG. 5 is a side view of a vehicle body to which a door closing shock absorption device and a door mechanism including the same according to an embodiment of the present invention can be applied.

[0045] Referring to FIG. 5, the door closing shock absorber (30) according to an embodiment of the present invention may be mounted on the lower part of the vehicle body (10). That is, the door closing shock absorber (30) may be positioned between the rear door (24) and the vehicle body (10) near the door mounting bracket (130).

[0046] FIG. 6 is a drawing showing a door mechanism including a door closing shock absorption device according to an embodiment of the present invention mounted on a door, FIG. 7 is a drawing showing a guide rail that can be applied to a door mechanism including a door closing shock absorption device according to an embodiment of the present invention, and FIG. 8 is a partial perspective view of a door mechanism including a door closing shock absorption device according to an embodiment of the present invention.

[0047] Referring to FIGS. 5 to 8, a door closing shock absorption device (30) according to an embodiment of the present invention may include a first body (32), a second body (34) coupled to the first body (32) so as to be able to move relative in the longitudinal direction, and an elastic member (36) disposed between the first body (32) and the second body (34) to elastically support the first body (32) and the second body (34). The elastic member may be, for example, a compression spring, but is not limited thereto.

[0048] In the drawing, the first body (32) is shown inserted into the second body (34), and the elastic part (36) is shown provided inside the first body (32) of the second body (34), but is not limited thereto. Additionally, the first body (32) and the second body (34) are shown as having a hollow pipe shape, but are not limited thereto.

[0049] That is, the second body (34) may be configured to be inserted into the first body (32), and the first body (32) and the second body (34) may be configured in a polygonal column shape. Additionally, the elastic part (36) may be configured such that the first body (32) is provided on the outer side of the second body (34).

[0050] That is, the first body (32) and the second body (34) of the door closing shock absorption device (30) according to an embodiment of the present invention may be various configurations capable of relative movement (sliding) in the longitudinal direction, and the elastic part (36) may be various types of elastic configurations that provide longitudinal elastic force to the first body (32) and the second body (34).

[0051] The first body (32) can be mounted on the door (20). Although the drawing shows the door closing shock absorber (30) mounted on the rear door (24), it is not limited thereto and may be mounted on the front door (22) to reduce the shock when the front door (22) is closed.

[0052] A coupling bracket (33) is provided between the first body (32) and the rear door (24) so ​​that the first body (32) can be mounted to the rear door (24). The coupling bracket (33) can be mounted to a door coupling part (26) formed on the rear door (24).

[0053] The door closing shock absorption device (30) according to an embodiment of the present invention may further include a shock absorption part (38) mounted on one end of the second body (34). The shock absorption part (38) may be made of various materials, such as rubber, silicone, or elastic plastic, and may mitigate the closing shock between the rear door (24) and the vehicle body (10) when the rear door (24) is closed.

[0054] The door closing shock absorption device (30) according to an embodiment of the present invention may further include a guide part (40) mounted on the second body (34).

[0055] The above guide part (40) may include a bearing (42).

[0056] A guide bracket (44) is mounted on the second body (34) of the door closing shock absorber (30), and the bearing (42) can be mounted on the guide bracket (44) through a guide rod (46).

[0057] The door mechanism according to an embodiment of the present invention may include the door closing shock absorption device (30) according to an embodiment of the present invention.

[0058] The door mechanism according to an embodiment of the present invention is mounted on the vehicle body (10) and may further include a guide rail (50) that guides the movement of the guide part (40).

[0059] Referring to FIG. 7, the guide rail (50) may include a rail gate portion (52) formed to allow the guide portion (40) to be inserted / separated, a rail inclined portion (54) that guides the guide portion (40) in the width and length directions of the vehicle body, and a sliding portion (56) that guides the guide portion (40) in the length direction of the vehicle body. The bearing (42) is rotatably mounted on the guide portion rod (46), and the bearing (42) guides the door closing shock absorber (30) to move relative to the guide rail (50). The bearing (42) may be configured in various forms that can move along the guide rail (50), such as a sliding bearing or a ball bearing.

[0060] The guide rail (50) may further include a contact portion (58) formed to protrude to selectively contact the shock absorber portion (38).

[0061] FIGS. 9 and FIGS. 10 are cross-sectional perspective views along line AA of FIG. 8 showing the operation of a door mechanism including a door closing shock absorption device according to an embodiment of the present invention.

[0062] As illustrated in FIGS. 7, 9 and 10, the door mechanism according to an embodiment of the present invention may further include a guide rail bracket (60) that connects the guide rail (50) to the vehicle body.

[0063] Hereinafter, the operation of a door mechanism according to an embodiment of the present invention will be described with reference to FIGS. 1 to 10.

[0064] As described with reference to FIGS. 1 to 4, the rear door (24) can be opened through sliding and swinging operations.

[0065] Conversely, when the rear door (24) is closed, it is closed through swing and sliding operations. At this time, the panel of the rear door (24) and the weatherstrip of the vehicle body (10) may not be completely matched. As a result, shaking of the rear door (24) may occur, and impact may occur between the rear door (24) and the vehicle body (10).

[0066] When the rear door (24) swings, the shock absorber (38) comes into contact with the contact portion (58), and the shock absorber (38) can absorb the door closing shock. At this time, the guide portion (40) can be inserted through the rail gate portion (52) and move relative along the guide rail (50). That is, the rail gate portion (52) may have an open shape adjacent to the contact portion (58) so that the guide portion (40) can be inserted / separated.

[0067] At the same time, the total length of the first body (32) and the second body (34) is reduced, and the elastic part (36) placed between the first body (32) and the second body (34) can absorb the door closing shock.

[0068] During the sliding operation illustrated in FIGS. 2 and FIGS. 1, the bearing (42) moves along the rail inclined portion (54), and the rear door (24) moves forward toward the vehicle body (10) and approaches the vehicle body (10). Afterward, the bearing (42) moves along the sliding portion (56), and the rear door (24) closes.

[0069] Subsequently, when a vehicle occupant opens the rear door (24), the bearing (42) moves along the sliding part (56) and the rail inclined part (54) and separates from the rail gate part (52). At this time, the total length of the first body (32) and the second body (34) is extended by the elastic force of the elastic part (36), and the opening operation of the rear door (24) is performed more smoothly.

[0070] As previously explained, according to the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention, the shock can be absorbed when an opposing door is closed to prevent shaking of the door.

[0071] In addition, according to the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention, the shock can be absorbed when a door is closed to suppress noise generation, thereby improving marketability.

[0072] In addition, according to the door closing shock absorption device and the door mechanism including the same according to an embodiment of the present invention, when opening the door, the vehicle occupant can easily open the door without exerting great force.

[0073] Although preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments and includes all modifications within the scope recognized as equivalent that can be easily made by those skilled in the art from the embodiments of the present invention. Explanation of the symbols

[0074] 10: Body 20: Door 22: Front door 24: Rear door 26: Door joint 30: Door closing shock absorber 32: First body 33: Connecting bracket 34: Second body 36: Elastic part 38: Shock absorber 40: Guide section 42: Bearing 44: Guide bracket 46: Guide section rod 50: Guide rail 52: Rail gate section 54: Rail slope section 56: Sliding part 58: Contact part 60: Guide rail bracket 130: Mounting bracket 132: Guide Striker

Claims

Claim 1 delete Claim 2 delete Claim 3 delete Claim 4 delete Claim 5 A door closing shock absorbing device comprising: a first body, a second body coupled to the first body so as to allow relative movement in the longitudinal direction, and an elastic member disposed between the first body and the second body to elastically support the first body and the second body; a shock absorbing member mounted on one end of the second body; a guide member mounted on the second body; and a guide rail mounted on a vehicle body and guiding the movement of the guide member; wherein the guide rail comprises: a rail gate member formed to allow the guide member to be inserted / separated; a rail inclined member guiding the guide member in the width direction and the longitudinal direction of the vehicle body; a sliding member guiding the guide member in the longitudinal direction of the vehicle body; and a contact member protruding to selectively contact the shock absorbing member; wherein the rail gate member has an open shape adjacent to the contact member so that the guide member can be inserted / separated. Claim 6 In paragraph 5, the first body is a door mechanism mounted on a door. Claim 7 delete Claim 8 delete Claim 9 In paragraph 5, the above guide part comprises a bearing; a door mechanism. Claim 10 delete Claim 11 delete Claim 12 delete Claim 13 A door mechanism further comprising, in paragraph 5, a guide rail bracket for connecting the guide rail to the vehicle body. Claim 14 In paragraph 5, the above door is a door mechanism that is a facing door or a facing swing door. Claim 15 In paragraph 5, the above door is a door mechanism that is a rear door. Claim 16 In paragraph 5, the door closing shock absorber is a door mechanism mounted on the lower part of the door.

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