Externally-hung damping type shock absorber

Abstract

An externally-hung damping type shock absorber relates to the field of shock absorbers and comprises a main shock absorber body, an externally-hung type connecting plate is installed at the right end of the main shock absorber body and fixed to an outer cover pipe, a connecting fixing plate is installed in the outer cover pipe, a positioning hole is formed in the connecting fixing plate, a damper is arranged in the outer cover pipe, and the damper is connected with the connecting fixing plate. The bottom end of the damper is clamped in the positioning hole, and a damping rod of the damper is connected to the upper connecting plate of the main shock absorber. According to the utility model, the damper is arranged in the outer cover pipe and is connected with the main shock absorber through the externally-hung connecting plate, so that the performance of the shock absorber is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shock absorber, specifically, relates to a kind of external damping type shock absorber. BACKGROUND

[0002] In order to make the vibration of the frame and the body decay rapidly, improve the smoothness and comfort of the automobile, the automobile suspension system is generally provided with a shock absorber. However, according to the market demand, the comfort requirement of the vehicle driver and the passenger is higher and higher, especially in the poor road area, the performance requirement of the shock absorber is also higher, the shock absorber needs not only to have excellent shock-absorbing capacity, but also to maintain good stability and durability, to ensure that the vehicle can pass smoothly, while minimizing the jolt feeling of the driver and passenger. However, the existing shock absorber still has certain limitations in some aspects, and cannot meet the pursuit of extreme comfort and control stability of the user. SUMMARY

[0003] The utility model aims at solving the problems in the above background technical field, and further provides an external damping type shock absorber.

[0004] The technical scheme adopted by the utility model to solve its technical problems is:

[0005] An external damping type shock absorber, comprising a main shock absorber, the main shock absorber is provided with an external hanging type connecting plate at right end, the external hanging type connecting plate is fixed with an outer cover pipe, a connecting fixed plate is installed in the outer cover pipe, a positioning hole is arranged in the connecting fixed plate, a damper is arranged in the outer cover pipe, the bottom end of the damper is clamped in the positioning hole, and the damping rod of the damper is connected to the upper connecting plate of the main shock absorber.

[0006] Further improvement of the utility model still has that the external hanging type connecting plate and one end of the outer cover pipe are fixed by welding.

[0007] Further improvement of the utility model still has that the upper connecting plate is provided with a second through hole matched with the damping rod, the damping rod passes through the second through hole and is locked and fixed by a first nut and a second nut, and the first nut and the second nut are respectively located on the two sides of the upper connecting plate.

[0008] Further improvement of the utility model still has that a flat washer is arranged between the second nut and the upper connecting plate, and the flat washer is sleeved on the damping rod.

[0009] Further improvement of the utility model still has that a protective cover pipe is slidably matched with the outer side of the outer cover pipe, the left end portion of the protective cover pipe is between the upper connecting plate and the first nut, and the left end portion of the protective cover pipe is provided with a first through hole matched with the damping rod.

[0010] The further improvement of the utility model still has, the support plate is vertically arranged in the outer cover pipe, and the third through hole matched with the damper shell is arranged on the support plate.

[0011] The further improvement of the utility model still has, the support plate is vertically arranged in the outer cover pipe, and the third through hole matched with the damper shell is arranged on the support plate.

[0012] The further improvement of the utility model still has, the outer cover pipe left end part is equipped with the guide sleeve, and the fifth through hole matched with the damper rod is arranged in the guide sleeve.

[0013] The further improvement of the utility model still has, the guide sleeve outside is equipped with the pressing ring, and the fourth through hole matched with the damper rod is arranged in the pressing ring.

[0014] The further improvement of the utility model still has, the guide sleeve and the support plate are equipped with the upper locating sleeve.

[0015] The further improvement of the utility model still has, the damper bottom end is equipped with the installation groove, and the buffer pad is arranged in the installation groove, and the lower end of the buffer pad is in close contact with the outer hanging type connecting plate.

[0016] The utility model discloses the beneficial effect is: the utility model discloses a damper is arranged in the outer cover pipe, and it is connected with the main shock absorber through the outer hanging type connecting plate, and the performance of shock absorber is obviously promoted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model specific embodiment;

[0018] Figure 2 It is the structure schematic drawing of the utility model specific embodiment; Figure 1

[0019] Figure 3 It is the structure schematic drawing of the utility model specific embodiment; Figure 1

[0020] Figure 4 It is the structure schematic drawing of the utility model specific embodiment; Figure 1

[0021] Figure 5 It is the structure schematic drawing of the utility model specific embodiment;

[0022] ​​​In the diagram, 1 is the main shock absorber, 2 is the external connecting plate, 3 is the outer cover tube, 4 is the connecting fixing plate, 5 is the upper connecting plate, 51 is the second through hole, 6 is the damper, 61 is the bottom end of the damper, 611 is the mounting groove, 62 is the damper housing, 63 is the damping rod, 7 is the protective cover tube, 71 is the first through hole, 8 is the second nut, 9 is the first nut, 10 is the flat washer, 11 is the support plate, 111 is the third through hole, 12 is the upper positioning sleeve, 13 is the lower positioning sleeve, 14 is the pressure ring, 141 is the fourth through hole, 15 is the guide sleeve, 151 is the fifth through hole, and 16 is the buffer pad. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model. The present utility model will be further described with reference to the accompanying drawings and embodiments:

[0024] like Figures 1-5 As shown, an externally mounted damping shock absorber includes a main shock absorber 1. An externally mounted connecting plate 2 is installed at the right end of the main shock absorber 1. The externally mounted connecting plate 2 is fixed to an outer casing tube 3. A connecting fixing plate 4 is installed inside the outer casing tube 3. A positioning hole is provided in the connecting fixing plate 4. A damper 6 is installed inside the outer casing tube 3. The bottom end 61 of the damper is snapped into the positioning hole. The damping rod 63 of the damper is connected to the upper connecting plate 5 of the main shock absorber 1.

[0025] In this application, the external connecting plate 2 facilitates the connection between the damper and the main shock absorber 1. The external connecting plate 2 is fixed to one end of the outer casing tube 3 by welding.

[0026] When installing the damper, first insert the bottom end of the damper into the positioning hole, which positions the bottom end of the damper. Then, fix the damping rod 63 of the damper to the upper connecting plate 5 to complete the installation of the damper. When the spring of the main shock absorber is stretched and compressed, it can move up and down in conjunction with the damping rod 63 of the damper, improving the vibration absorption capacity of the main shock absorber. Moreover, when the main shock absorber body is damaged, the presence of the damper can still achieve good vibration damping function, enabling the shock absorber to maintain good stability and durability.

[0027] In order to realize the fixing of the damping rod 63 and the upper connecting plate 5, the application is provided with a second through hole 51 matched with the damping rod 63 on the upper connecting plate 5. Meanwhile, the damping rod 63 passes through the second through hole 51 and is fixed by the first nut 9 and the second nut 8, and the first nut and the second nut are respectively arranged on the two sides of the upper connecting plate. In the application, the first nut 9 and the second nut 8 are M10X1 nuts.

[0028] Further, a flat washer 10 is arranged between the second nut 8 and the upper connecting plate 5, and the flat washer is sleeved on the damping rod. The arrangement of the flat washer 10 can prevent the loosening of the second nut 8.

[0029] In at least one embodiment, a cover pipe 3 is slidably arranged outside the cover pipe 7, and the left end of the cover pipe is arranged between the upper connecting plate and the first nut. The left end of the cover pipe is provided with a first through hole 71 matched with the damping rod 63. The combination of the cover pipe 3 and the cover pipe 7 can realize the protection of the damper. When the damping rod 63 reciprocates, the cover pipe 7 also reciprocates.

[0030] Further, a support plate 11 is vertically arranged in the cover pipe 3, and the support plate 11 is provided with a third through hole 111 matched with the damper shell. In the application, the support plate 11 plays a certain supporting role for the damper shell 62.

[0031] Further, a lower positioning sleeve 13 is arranged between the support plate and the connecting fixed plate, and the right end of the lower positioning sleeve 13 is fixedly connected with the connecting fixed plate 4.

[0032] Further, a guide sleeve 15 is arranged at the left end of the cover pipe, and the guide sleeve 15 is provided with a fifth through hole 151 matched with the damping rod 63. The guide sleeve 15 plays a good guiding role for the movement of the damping rod.

[0033] Further, a pressing ring 14 is arranged outside the guide sleeve 15, and the pressing ring 14 is threadedly connected with the cover pipe. The pressing ring 14 is provided with a fourth through hole 141 matched with the damping rod 63.

[0034] Further, an upper positioning sleeve 12 is arranged between the guide sleeve and the support plate.

[0035] In order to protect the damper, an installation groove 611 is arranged at the bottom end of the damper, and a buffer pad 16 is arranged in the installation groove 611. The lower end of the buffer pad 16 is in close contact with the externally-hung connecting plate 2. The buffer pad is made of oil-resistant rubber and can play a buffering role in different road conditions, thereby protecting the damper well.

[0036] The use mode is used to confirm that the main shock absorber 1 is correctly installed. The outer hanging type connecting plate 2, the outer cover pipe 3, the connecting fixed plate 4, the damper 6, the upper connecting plate 5 and the like are prepared. The outer hanging type connecting plate 2 is fixed at one end of the outer cover pipe 3 by welding. The connecting fixed plate 4 is installed in the outer cover pipe 3 and the positioning hole is ensured to be aligned. The bottom end 61 of the damper 6 is inserted into the positioning hole of the connecting fixed plate 4, and the positioning of the bottom end of the damper is realized. The damping rod 63 of the damper 6 is inserted through the second through hole 51 of the upper connecting plate 5. The first nut 9 and the second nut 8 are used to lock and fix the damping rod 63, and the damping rod and the upper connecting plate 5 are firmly connected. The flat washer 10 is installed between the second nut 8 and the upper connecting plate 5, and the nut is prevented from loosening. The shroud pipe 7 is slidingly fitted outside the outer cover pipe 3, and the left end portion is ensured to be between the upper connecting plate and the first nut. The support plate 11 is vertically installed in the outer cover pipe 3, and the third through hole 111 is ensured to be matched with the damper shell 62. The lower positioning sleeve 13 is installed between the support plate and the connecting fixed plate, and the right end portion is fixedly connected with the connecting fixed plate 4. The guide sleeve 15 is installed at the left end portion of the outer cover pipe, and the fifth through hole 151 is ensured to be matched with the damping rod 63. The pressing ring 14 is installed outside the guide sleeve and is screwed on the outer cover pipe. The fourth through hole 141 of the pressing ring 14 is ensured to be matched with the damping rod 63. The upper positioning sleeve 12 is installed between the guide sleeve and the support plate. The buffer pad 16 is placed in the groove 611 at the bottom end of the damper, and the lower end is ensured to be in close contact with the outer hanging type connecting plate 2.

[0037] During the driving of the vehicle, the spring of the main shock absorber is matched with the damping rod 63 of the damper to make the upward and downward movements in the stretching and compression processes, so that the vibration absorbing capacity is improved. The components of the shock absorber are regularly checked whether they are loose or damaged, and if there is any abnormality, the shock absorber should be repaired or replaced in time. Under different road conditions, the buffer pad 16 can play a buffering role and protect the shock absorber.

[0038] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by the person skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only used to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An external damping shock absorber, comprising a main shock absorber, characterized in that, An external connecting plate is installed on the right end of the main shock absorber. The external connecting plate is fixed to the outer casing tube. A connecting fixing plate is installed inside the outer casing tube. The connecting fixing plate has a positioning hole. A damper is installed inside the outer casing tube. The bottom end of the damper is engaged in the positioning hole. The damping rod of the damper is connected to the upper connecting plate of the main shock absorber. The external connecting plate is fixed to one end of the outer casing tube by welding. The upper connecting plate has a second through hole that matches the damping rod. The damping rod passes through the second through hole and is locked and fixed by a first nut and a second nut. The first nut and the second nut are located on both sides of the upper connecting plate. A flat washer is provided between the second nut and the upper connecting plate. The flat washer is sleeved on the damping rod. A support plate is vertically installed inside the outer casing tube. The support plate has a third through hole that matches the outer shell of the damper.

2. The external damping shock absorber according to claim 1, characterized in that, The outer cover tube is slidably fitted with a protective cover tube on its outer side. The left end of the protective cover tube is located between the upper connecting plate and the first nut. The left end of the protective cover tube is provided with a first through hole that matches the damping rod.

3. The external damping shock absorber according to claim 1, characterized in that, A lower positioning sleeve is provided between the support plate and the connecting fixing plate, and the right end of the lower positioning sleeve is fixedly connected to the connecting fixing plate.

4. The external damping shock absorber according to claim 1, characterized in that, The left end of the outer casing tube is provided with a guide sleeve, and the guide sleeve is provided with a fifth through hole that matches the damping rod.

5. The external damping shock absorber according to claim 4, characterized in that, The guide sleeve is provided with a pressure ring on the outside, the pressure ring is threaded to the outer cover tube, and a fourth through hole matching the damping rod is provided inside the pressure ring.

6. The external damping shock absorber according to claim 5, characterized in that, An upper positioning sleeve is provided between the guide sleeve and the support plate. The bottom end of the damper is provided with an installation groove, and a buffer pad is provided in the installation groove. The lower end of the buffer pad is in close contact with the external connecting plate.

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