CN221221246U - Shock absorber with anti-drop dust cover and vehicle - Google Patents

Abstract

The utility model provides a shock absorber with an anti-falling dust cover and a vehicle, wherein the shock absorber with the anti-falling dust cover comprises a piston part, a connecting ring and a buffer piece, wherein the piston part is arranged on a vehicle body; the inner periphery side of the first end of the dust cover body is provided with a first clamping ring, and the first clamping ring is clamped at a first clamping position, so that the dust cover body is clamped at the connecting ring, and a plurality of buffer rings are arranged at the joint of the dust cover body and the connecting ring. This bumper shock absorber with anti-drop dust cover passes through the cooperation of piston part and dust cover body, realizes the inseparable joint of dust cover body and piston part, through a plurality of cushion rings that utilize the dust cover body to form, isolated and the deformation transmission that blocks the dust cover body to junction, avoid the dust cover body atress to warp and lead to droing, overall structure is simple, and convenient transportation, the assembly is convenient, and the commonality is strong.

Description

Shock absorber with anti-drop dust cover and vehicle

Technical Field

The application relates to the technical field of vehicle manufacturing, in particular to a shock absorber with an anti-falling dust cover and a vehicle.

Background

The rear suspension shock absorber of the passenger car is widely applied to the open type buffer block structure, and the reinforcing ring is arranged at the lower end of the buffer block. The dust cover is matched with the reinforcing ring through the clamping groove, and the dust cover is hung and connected, so that the function of dust protection of the piston rod and the oil seal can be achieved.

The existing dust covers are mostly formed by adopting PP+EPDM (polypropylene and ethylene-propylene-diene copolymer) in a blow molding mode, and the structure of the dust cover is large in elastic deformation. In the whole car assembly and part transportation process, the dust cover is easy to generate larger deformation due to stress, and then the deformation opening is separated from the clamping groove of the reinforcing ring. When the external force is released, the matched part of the dust cover and the reinforcing ring can pop out along the annular opening, so that the dust cover is wholly fallen off.

Therefore, there is a need to design a shock absorber with an anti-drop dust cap.

Disclosure of utility model

In view of the above, in order to overcome the defects of the prior art, the utility model provides the shock absorber with the anti-falling dust cover and the vehicle, which effectively solve the problem that the whole dust cover falls off because the part of the dust cover matched with the reinforcing ring pops out along the opening ring shape after the external force is released due to the fact that the stress of the existing dust cover can generate larger deformation.

According to a first aspect of the present utility model, there is provided a shock absorber with an anti-drop dust cover for a vehicle, the vehicle including a vehicle body, wherein the shock absorber with an anti-drop dust cover includes a piston portion provided to the vehicle body, the piston portion includes a piston rod, a connecting ring, and a buffer member, the buffer member is sleeved on the piston rod, the connecting ring is clamped on an outer periphery of the buffer member, and a first clamping position is provided on an outer periphery of the connecting ring; the dust cover body, the inner periphery side of the first end of dust cover body is provided with first snap ring, first snap ring joint in first joint position, so that dust cover body joint in the go-between, the dust cover body with the junction of go-between is provided with a plurality of buffer rings.

Preferably, the lower part of the one end of the connecting ring provided with the first clamping position extends outwards along the axial direction to form a second clamping ring, the inner periphery side of the first end of the dust cover body is also provided with a second clamping position, and under the condition that the dust cover body is clamped in the connecting ring, the second clamping ring is clamped in the second clamping position.

Preferably, a third clamping position is formed on the outer periphery side of the buffer piece in an inward concave manner, a third clamping ring is formed on the inner periphery side of the connecting ring, and the third clamping ring is clamped in the third clamping position under the condition that the connecting ring is clamped on the outer periphery of the buffer piece.

Preferably, a fourth snap ring is formed on the inner peripheral side of the shock absorber, and the fourth snap ring abuts against the outer peripheral side of the piston rod.

Preferably, the piston part further comprises a liquid storage cylinder, the piston rod is slidably arranged in the liquid storage cylinder, and the dust cover body is sleeved on the liquid storage cylinder; the bottom of the liquid storage cylinder is provided with a first connecting piece, and the piston part is connected with the vehicle body through the first connecting piece.

Preferably, the piston part further comprises a second connecting component, the first end of the piston rod penetrates out of the liquid storage cylinder, the dust cover body and the buffer piece to be connected with the second connecting component, and the piston part is connected with the vehicle body through the second connecting component.

Preferably, the second connecting component comprises a connecting block and a blocking cover, the blocking cover is arranged at the end part of the connecting block, the connecting block is sleeved on the piston rod, and the first end of the piston rod penetrates out of the connecting block to be connected with the blocking cover; the piston part is connected with the vehicle body through the connecting block.

Preferably, the connection block is formed with an extension member extending to both sides, the extension member is provided with a first connection hole, and the connection block is connected with the vehicle body through the first connection hole.

According to a second aspect of the present utility model there is provided a vehicle comprising a shock absorber as described above having an anti-fall out dust cover.

Preferably, the vehicle further comprises a steering knuckle, the steering knuckle is provided with a second connecting hole, the shock absorber with the anti-falling dust cover is provided with a third connecting hole, and the second connecting hole and the third connecting hole are both provided with internal threads.

According to the shock absorber with the anti-falling dust cover, the piston part is matched with the dust cover body, so that the dust cover body is tightly clamped with the piston part, and the deformation of the dust cover body can be isolated and blocked from being transmitted to the connecting part by utilizing the plurality of buffer rings formed by the dust cover body, so that the dust cover body is prevented from falling off due to stress deformation. The shock absorber with the anti-drop dust cover has the advantages of simple integral structure, convenience in transportation and convenience in assembly, is suitable for the structural design of all annular clamping groove suspension type dust covers, does not interfere with peripheral parts, and has strong universality.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic structural diagram according to an embodiment of the present utility model;

FIG. 2 shows a schematic view of a diversion mechanism according to an embodiment of the present utility model;

FIG. 3 shows a schematic view of a collection box structure according to an embodiment of the utility model;

fig. 4 shows a schematic view of the structure of a fastening device according to an embodiment of the present utility model.

Reference numerals: 1-a piston rod; a 2-connecting ring; 201-a first clamping position; 202-a second snap ring; 203-a third snap ring; 3-cushioning member; 301-a third clamping position; 302-fourth snap ring; 4-a dust cover body; 401-a first snap ring; 402-a buffer ring; 403-a second clamping position; 5-a liquid storage cylinder; 7-connecting blocks; 701-an extension member; 702—a first connection hole; 8-plugging cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which products of the application are conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "coupled" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

According to the first aspect of the utility model, as shown in fig. 1 to 4, a shock absorber with an anti-falling dust cover is provided, and the shock absorber with an anti-falling dust cover is used for a vehicle, so that the problem that the dust cover falls off due to stress in the original structure can be avoided, and the performance of the whole vehicle can be improved. The shock absorber with the anti-falling dust cover comprises a piston part and a dust cover body 4.

In the following description, a detailed structure of the piston portion of the shock absorber with the anti-drop dust cover and the dust cover body 4 will be specifically described with reference to fig. 1 to 4.

As shown in fig. 1 to 4, in the embodiment, the shock absorber with the anti-falling dust cover can be fixedly installed on the body of the vehicle, and the dust cover is not easy to fall off even if the shock absorber is affected by external force during the whole vehicle assembly and part transportation process. Specifically, the piston portion as a whole may be provided as a connecting member to the vehicle body. The piston part can include piston rod 1, go-between 2 and bolster 3, and the bolster 3 cover is located piston rod 1, and the periphery of bolster 3 is located to go-between 2 cards, and the periphery of go-between 2 is provided with first joint position 201. The piston rod 1 may be formed as a cylindrical rod member, and in the case of use, the piston rod 1 may oscillate up and down inside the shock absorber, thereby absorbing vibrations and impact forces. The buffer member 3 is sleeved on the outer periphery of the piston rod 1, and the buffer member 3 can be, for example, buffer rubber, which is a rubber product with high elasticity and high toughness (the material is available to those skilled in the art) and can play a role in buffering and shock absorption and protect the shock absorber. The buffer member 3 may be formed in a manner that a plurality of ring-shaped structures are stacked in a vertical direction, which is referred to as a vertical direction as shown in fig. 1, and the plurality of ring-shaped structures may absorb vibration and impact force to play a role of cushioning. The periphery of bolster 3 is located to go-between 2 card, and the periphery of go-between 2 is provided with first joint position 201, and first joint position 201 can form the ring channel, and dust cover body 4 passes through the installation of go-between 2 in the piston portion. The inner peripheral side of the first end of the dust cover body 4 is provided with a first snap ring 401, where the first end refers to a first end of the dust cover body 4 located at an upper portion in the vertical direction, and one end located at a lower portion is a second end. The first clamping ring 401 is clamped at the first clamping position 201, so that the dust cover body 4 is clamped at the connecting ring 2, and the clamping (crimping during assembly) mode is adopted, so that the assembly is convenient, meanwhile, the number of integral structural members is small, and the transportation and the subsequent whole vehicle assembly are convenient. The junction of dust cover body 4 and go-between 2 is provided with a plurality of buffer rings 402, in the embodiment, the quantity of buffer ring 402 is three, and three buffer ring 402 is set gradually downwards by the junction of dust cover body 4 and go-between 2 along vertical direction, and buffer ring 402's setting can effectively reduce dust cover body 4 under the circumstances that receives external force and produce deformation, can isolate and block the deformation transmission of the second end of dust cover body 4 to the junction of dust cover body 4 and go-between 2, avoids first snap ring 401 and first joint position 201 atress to separate to avoid the problem that drops that dust cover body 4 leads to because the atress warp. Furthermore, the operator may choose the number of buffer rings 402, four, five, six or more, depending on the actual use environment and transportation environment.

Preferably, as shown in fig. 1 to 4, in the embodiment, a lower portion of the connection ring 2 at one end thereof provided with the first snap position 201 is formed with a second snap ring 202 extending outward in the axial direction, that is, an end portion of the lower portion of the connection ring 2 in the vertical direction is formed with the second snap ring 202, the second snap ring 202 being located on the outer peripheral side of the connection ring 2. The inner periphery side of the first end of the dust cover body 4 is further provided with a second clamping position 403, and when the dust cover body 4 is clamped to the connecting ring 2, the second clamping ring 202 is clamped to the second clamping position 403. The setting of second snap ring 202 and second joint position 403 can strengthen the joint strength of dust cover body 4 and go-between 2, avoids the coming off of dust cover body 4.

Preferably, as shown in fig. 1 to 4, in the embodiment, the outer circumferential side of the buffer 3 is concavely formed with a third engagement position 301, the inner circumferential side of the connection ring 2 is formed with a third snap ring 203, and in the case where the connection ring 2 is engaged with the outer circumference of the buffer 3, the third snap ring 203 is engaged with the third engagement position 301. The periphery side and the dust cover body 4 joint of go-between 2, the interior periphery side and the bolster 3 joint of go-between 2 realize the installation of dust cover body 4 through go-between 2.

Preferably, as shown in fig. 1 to 4, in the embodiment, the inner peripheral side of the cushion member 3 is formed with a fourth snap ring 302, and the fourth snap ring 302 abuts against the outer peripheral side of the piston rod 1. In the case where the piston rod 1 swings up and down, the fourth snap ring 302 may abut against the outer circumferential side of the piston rod 1, function to absorb part of the vibration force, and drive the damper 3 to move.

Preferably, as shown in fig. 1 to 4, in an embodiment, the piston part may further include a liquid storage cylinder 5, the piston rod 1 is slidably disposed inside the liquid storage cylinder 5, the dust cover body 4 is sleeved on the liquid storage cylinder 5, the piston rod 1 reciprocates inside the liquid storage cylinder 5, the oil of the liquid storage cylinder 5 repeatedly flows from one inner cavity to the other inner cavity (here, the structure is not shown in the prior art) through the flow holes, friction between the wall of the hole and the oil and friction in liquid molecules form damping force on vibration, so that vibration energy of the vehicle body is converted into heat energy, absorbed by the oil and the shell of the shock absorber, and dispersed into the atmosphere. The bottom of the reservoir 5 is provided with a first connecting member (not shown) through which the piston portion is connected to the vehicle body. The first coupling member may be formed as a third coupling hole (not shown) having an internal thread, and be coupled with the vehicle body by threads.

Preferably, as shown in fig. 1 to 4, in an embodiment, the piston part may further include a second connection assembly, the first end of the piston rod 1 is coupled to the second connection assembly through the reservoir 5, the dust cap body 4, and the buffer member 3, and the piston part is coupled to the vehicle body through the second connection assembly, so that both ends of the shock absorber having the anti-falling dust cap are coupled to the vehicle body through the first connection assembly and the second connection assembly, respectively. Specifically, the second connection assembly may include a connection block 7 and a plug 8, where the plug 8 is disposed at an end of the connection block 7, the connection block 7 is sleeved on the piston rod 1, and a first end of the piston rod 1 penetrates out of the connection block 7 to be connected with the plug 8, and the connection mode may be, for example, threaded connection. The piston part is connected with the vehicle body through a connecting block 7. The connection block 7 may be formed with extension members 701 extending to both sides, the extension members 701 being opened with first connection holes 702, and the connection block 7 being connected to the vehicle body through the first connection holes 702 in such a manner as to use fastening bolts, for example.

The assembly process of the shock absorber with the anti-falling dust cover is as follows: the piston rod 1 is installed in the liquid storage cylinder 5, so that the piston rod 1 can be slidably arranged in the liquid storage cylinder 5, the buffer piece 3 is sleeved at the first end of the piston rod 1, the fourth clamping ring 302 of the buffer piece 3 abuts against the periphery of the piston rod 1, then the connecting ring 2 is in compression joint, the third clamping ring 203 of the connecting ring 2 is clamped at the third clamping position 301, the dust-proof cover body 4 is in compression joint, and the first clamping position 201, the first clamping ring 401, the second clamping position 403 and the second clamping ring 202 are mutually clamped. The connecting block 7 is sleeved on the end part of the piston rod 1, and the end part of the piston rod 1 is connected with the blanking cover 8. The shock absorber with the anti-drop dust cap is then assembled to the vehicle body through the first connection member and the first connection hole 702.

This bumper shock absorber with anti-drop dust cover passes through the cooperation of piston part and dust cover body, realizes the inseparable joint of dust cover body and piston part, through a plurality of cushion rings that utilize the dust cover body to form, can be isolated and block the deformation transmission of dust cover body to junction, and then avoid the dust cover body atress to warp and lead to droing. The shock absorber with the anti-drop dust cover has the advantages of simple integral structure, convenience in transportation and convenience in assembly, is suitable for the structural design of all annular clamping groove suspension type dust covers, does not interfere with peripheral parts, and has strong universality.

Further, according to a second aspect of the present utility model, there is provided a vehicle including the shock absorber with the anti-drop dust cover as described above. The vehicle avoids the falling of the dust cover body 4 in the running process by using the shock absorber with the falling-preventing dust cover. The vehicle may further include a knuckle (not shown) provided with a second connection hole (not shown), the first connection member of the shock absorber having the anti-drop dust cover is provided with a third connection hole, and both the second connection hole and the third connection hole are formed with female threads, which may be connected by threads.

Finally, it should be noted that: the above examples are only specific embodiments of the present application, and are not intended to limit the scope of the present application, but it should be understood by those skilled in the art that the present application is not limited thereto, and that the present application is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A shock absorber with an anti-drop dust cover for a vehicle, the vehicle comprising a body, the shock absorber with an anti-drop dust cover comprising:

The piston part is arranged on the vehicle body and comprises a piston rod, a connecting ring and a buffer piece, the buffer piece is sleeved on the piston rod, the connecting ring is clamped on the periphery of the buffer piece, and a first clamping position is arranged on the periphery of the connecting ring;

The dust cover body, the inner periphery side of the first end of dust cover body is provided with first snap ring, first snap ring joint in first joint position, so that dust cover body joint in the go-between, the dust cover body with the junction of go-between is provided with a plurality of buffer rings.

2. The shock absorber with the anti-falling dust cover according to claim 1, wherein a second clamping ring is formed by extending the lower portion of one end of the connecting ring, which is provided with the first clamping position, outwards along the axial direction, and a second clamping position is further formed on the inner periphery side of the first end of the dust cover body, and the second clamping ring is clamped at the second clamping position under the condition that the dust cover body is clamped at the connecting ring.

3. The shock absorber with the anti-falling dust cover according to claim 1, wherein a third clamping position is formed on the outer circumferential side of the buffer member in an inward recessed manner, a third clamping ring is formed on the inner circumferential side of the connecting ring, and the third clamping ring is clamped in the third clamping position under the condition that the connecting ring is clamped on the outer circumference of the buffer member.

4. The shock absorber with the anti-drop dust cover according to claim 1, wherein a fourth snap ring is formed on an inner peripheral side of the cushion member, the fourth snap ring abutting an outer peripheral side of the piston rod.

5. The shock absorber with the anti-falling dust cover according to claim 1, wherein the piston part further comprises a liquid storage cylinder, the piston rod is slidably arranged in the liquid storage cylinder, and the dust cover body is sleeved on the liquid storage cylinder;

The bottom of the liquid storage cylinder is provided with a first connecting piece, and the piston part is connected with the vehicle body through the first connecting piece.

6. The shock absorber with an anti-drop dust cap according to claim 5, wherein said piston portion further comprises a second connection assembly, said piston rod first end passing out of said reservoir, said dust cap body and said cushioning member being connected to said second connection assembly, said piston portion being connected to said vehicle body by said second connection assembly.

7. The shock absorber with the anti-falling dust cover according to claim 6, wherein the second connecting component comprises a connecting block and a blocking cover, the blocking cover is arranged at the end part of the connecting block, the connecting block is sleeved on the piston rod, and the first end of the piston rod penetrates out of the connecting block to be connected with the blocking cover;

The piston part is connected with the vehicle body through the connecting block.

8. The shock absorber with the anti-drop dust cover according to claim 7, wherein the connection block is formed with extension members extending to both sides, the extension members are provided with first connection holes, and the connection block is connected with the vehicle body through the first connection holes.

9. A vehicle comprising the shock absorber with the anti-drop dust cover according to any one of claims 1 to 8.

10. The vehicle of claim 9, further comprising a knuckle, wherein the knuckle defines a second attachment hole, wherein the shock absorber having the anti-drop dust cap defines a third attachment hole, and wherein the second attachment hole and the third attachment hole are each formed with internal threads.