Stepped silicone oil shock absorber

Abstract

The utility model provides a stepped silicone oil shock absorber which comprises a shell, a stepped part is arranged in the middle of the shell, an annular oil storage groove is formed in one side of the shell and located on the outer side of the stepped part, an inertia block is arranged on the shell and located in the annular oil storage groove, and silicone oil is filled in the annular oil storage groove. A mounting hole is formed in the center of the side, away from the open end of the annular oil storage groove, in the step part, and a plurality of fixing holes are formed in the step part and located on the outer side of the mounting hole in an annular array mode. Through the design of the abutting piece, the plugging head is installed in the oil filling hole in a threaded mode, when the oil filling hole is plugged through the plugging head, the end of the abutting piece abuts against the plugging head, and therefore tension is kept on the attaching face between the plugging head and the threaded groove, and the situation that the plugging head is loosened in the using process is effectively avoided; the sealing effect on the oil injection hole is improved, the silicone oil is effectively prevented from seeping through the oil injection hole, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shock absorber equipment technical field, concretely relates to a ladder type silicon oil shock absorber. BACKGROUND

[0002] The silicon oil shock absorber is one kind of damping shock absorber, which utilizes the physical properties of silicon oil to reduce the shock of crankshaft, has the advantages of good damping effect, simple structure, reliable work and stable performance, and is widely used in diesel engines and other internal combustion engines. With the development of current technology, the silicon oil shock absorber is developing towards light weight, and the lightweight design of the silicon oil shock absorber helps to improve performance, reduce energy consumption, prolong service life and adapt to more application scenarios, which is one of the important development trends in the field of current machinery and instrument equipment.

[0003] At present, even if the silicon oil shock absorber is lightweight, the working stability of the silicon oil shock absorber still needs to be fully guaranteed, and in order to improve the overall design rationality and structural uniformity of the silicon oil shock absorber, an oil injection hole is symmetrically formed on the shell of the silicon oil shock absorber and is connected with the inside of the oil storage groove, so as to inject silicon oil into the oil storage groove. The shell of the silicon oil shock absorber is threadedly connected with a plug for plugging the inner wall of the oil injection hole, so as to realize the plugging effect of the silicon oil in the oil storage groove. Although this kind of silicon oil shock absorber improves the overall design rationality and structural uniformity of the silicon oil shock absorber, there are still the following defects in actual use:

[0004] Although the plug is threadedly installed in the oil injection hole, it can realize the plugging of the oil injection hole, but when the silicon oil shock absorber works, it will produce resonance, so that when used for a long time, the plug and the shell of the silicon oil shock absorber will be loose, which reduces the plugging effect of the oil injection hole and easily leads to the leakage of silicon oil through the oil injection hole.

[0005] Therefore, the present application provides a ladder type silicon oil shock absorber. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides a ladder type silicon oil shock absorber, which solves the problems mentioned in the background art.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] A stepped silicone oil shock absorber, comprising a shell, a stepped portion is arranged in the middle of the shell, an annular oil storage groove is arranged on one side of the shell and outside the stepped portion, an inertial block is arranged on the shell and in the annular oil storage groove, and the annular oil storage groove is filled with silicone oil, a mounting hole is arranged in the stepped portion and at the center of one side away from the opening end of the annular oil storage groove, and a plurality of fixing holes are arranged in the stepped portion and in an annular array outside the mounting hole.

[0009] A blocking plate for blocking the opening end of the annular oil storage groove is fixedly arranged on one side of the shell, oil injection holes are symmetrically arranged on the blocking plate and communicate with the inner bottom wall of the annular oil storage groove, a threaded groove is arranged on the inner side wall of the oil injection hole, and a blocking head engaged with the threaded groove is arranged in the oil injection hole of the blocking plate.

[0010] A resisting piece acting on the blocking head is arranged in the annular oil storage groove, and the end of the resisting piece can be in contact with the blocking head when the blocking head is engaged with the threaded groove.

[0011] Further, the resisting piece comprises a fixed plate fixedly arranged on the inner wall of one side of the annular oil storage groove close to the stepped portion, a spring extending into the oil injection hole is fixedly arranged on one side of the fixed plate close to the oil injection hole, and the spring is in contact with the blocking head when the blocking head is engaged with the threaded groove.

[0012] Further, the annular oil storage groove comprises a first oil storage groove stepped portion and a second oil storage groove stepped portion, the first oil storage groove stepped portion is arranged on the opening end of the annular oil storage groove close to the second oil storage groove stepped portion, the blocking plate is fixedly arranged in the first oil storage groove stepped portion by a screw, and the inertial block is arranged in the second oil storage groove stepped portion.

[0013] Further, a first sealing gasket is fixedly arranged on one side of the blocking plate and outside the two oil injection holes, the first sealing gasket is in contact with the inner wall of one side of the first oil storage groove stepped portion away from the opening end of the annular oil storage groove when the blocking plate blocks the opening end of the annular oil storage groove, a second sealing gasket is fixedly arranged in the oil injection hole of the blocking plate, and the blocking head is in contact with the second sealing gasket when the blocking head is engaged with the threaded groove.

[0014] Further, a recess is arranged on the bottom of one side of the inertial block close to the oil injection hole, and the fixed plate is arranged in the recess.

[0015] Further, a limiting ring sleeved on the outside of the spring is fixedly arranged on one side of the fixed plate close to the spring.

[0016] Further, a dustproof sleeve is fixedly sleeved on the outside of the shell and the blocking plate.

[0017] Compared with the prior art, the stepped silicone oil shock absorber has the following beneficial effects:

[0018] 1. By the design of the abutting piece, the plugging head is screwed into the oil injection hole, and when the oil injection hole is plugged by the plugging head, the end of the abutting piece abuts against the plugging head, so that the contact surface between the plugging head and the threaded groove maintains tension, effectively avoiding the loosening of the plugging head during use, improving the plugging effect of the oil injection hole, effectively preventing the leakage of silicone oil through the oil injection hole, and prolonging the service life;

[0019] 2. By setting the accommodation groove, the accommodation effect of the fixed plate and the spring is realized, so that during the operation of the shock absorber, when the inertia block is displaced, the interference or collision between the inertia block and other parts is effectively avoided, so as to protect the integrity and performance of the shock absorber, and at the same time, the design of the accommodation groove can control the flow path of silicone oil between the inertia block and other parts of the shock absorber, thereby improving the damping effect and damping performance;

[0020] 3. By setting the dust cover, the dust cover can prevent dust, soil and other impurities from entering the interior of the shock absorber, thereby effectively preventing these impurities from adhering to the key components of the shock absorber and affecting the normal operation and performance thereof. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0022] Figure 1 The three-dimensional structure schematic diagram of the present application is shown;

[0023] Figure 2 The installation structure schematic diagram of the inertia block of the present application is shown;

[0024] Figure 3 The installation structure schematic diagram of the plugging plate of the present application is shown; Figure 2 The enlarged view of A in the present application is shown;

[0025] Figure 4 The installation structure schematic diagram of the plugging plate of the present application is shown;

[0026] As shown in the figure: 1, the shell; 11, the annular oil storage groove; 111, the first oil storage groove step part; 112, the second oil storage groove step part; 12, the inertia block; 121, the accommodation groove; 13, the mounting hole; 14, the fixing hole; 2, the plugging plate; 21, the oil injection hole; 211, the threaded groove; 22, the sealing gasket I; 23, the sealing gasket II; 3, the plugging head; 4, the abutting piece; 41, the fixed plate; 42, the spring; 5, the limiting ring; 6, the dust cover. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0028] Embodiment one

[0029] In order to solve the technical problems in the background art, a stepped silicone oil shock absorber is given as follows:

[0030] Combining Figures 1-4 The utility model provides a kind of stepped silicone oil shock absorber, including shell 1, the middle part of shell 1 is equipped with ladder part, annular oil reservoir 11 is set up in the outside of the one side of shell 1 and located ladder part, inertia block 12 is equipped in shell 1 and located annular oil reservoir 11, and annular oil reservoir 11 is filled with silicone oil, installation hole 13 is set up in the center of the one side of ladder part and away from annular oil reservoir 11 opening end, multiple fixing holes 14 are set up in annular array in the outside of installation hole 13 in ladder part, it is specifically to be explained: the middle part of shell 1 is concave as ladder type, ladder part includes first ladder part and second ladder part, first ladder part is located in the inside of second ladder part, installation hole 13 and multiple fixing holes 14 are all set up on first ladder part;

[0031] The side of the shell 1 is fixedly installed for the plugging plate 2 for the annular oil reservoir 11 opening end is plugged, plugging plate 2 is symmetrically set up on oil injection hole 21, oil injection hole 21 is connected with the inner bottom wall of annular oil reservoir 11, the inner side wall of oil injection hole 21 is set up with screw groove 211, plugging head 3 is installed with screw groove 211 in the engagement on plugging plate 2 and in oil injection hole 21.

[0032] The annular oil reservoir 11 is installed with the resistance piece 4 acting on plugging head 3, when plugging head 3 is engaged with screw groove 211, the end of resistance piece 4 can form resistance with plugging head 3.

[0033] The components inside the shell 1 are assembled, and after assembly, the sealing plate 2 and the shell 1 are fixed, then one of the oil injection holes 21 is used to inject silicone oil into the annular oil storage groove 11, during which the height of the liquid level inside the annular oil storage groove 11 can be observed through the other oil injection hole 21, when the specified liquid level inside the annular oil storage groove 11 is reached, stop injecting, then threadedly install two plug heads 3 in two oil injection holes 21 respectively, plug the two oil injection holes 21 through the two plug heads 3 respectively, through the design of the abutting piece 4, the plug head 3 is threadedly installed in the oil injection hole 21, when the plug head 3 plugs the oil injection hole 21, the abutting piece 4 at the end abuts the plug head 3, so that the contact surface between the plug head 3 and the threaded groove 211 maintains tension, effectively avoiding the situation that the plug head 3 loosens during use, improving the plugging effect of the oil injection hole 21, effectively avoiding the situation that silicone oil seeps out through the oil injection hole 21, prolonging the service life.

[0034] Example two

[0035] As Figures 1-4 shown, on the basis of the above embodiment, the present embodiment further gives the following contents:

[0036] In this embodiment, the abutting piece 4 includes a fixed plate 41 fixedly installed on the inner wall of the annular oil storage groove 11 near the stepped portion, and a spring 42 fixedly installed on one side of the fixed plate 41 near the oil injection hole 21 and extendable into the oil injection hole 21, when the plug head 3 engages with the threaded groove 211, the spring 42 abuts against the plug head 3, during use, the end of the spring 42 extends into the oil injection hole 21, when the plug head 3 is rotated to engage with the threaded groove 211 to plug the oil injection hole 21, the end of the plug head 3 extends into the annular oil storage groove 11 and contacts the spring 42, at this time, the spring 42 is subjected to a force and deforms to abut against the plug head 3, thereby achieving the abutting effect of the plug head 3.

[0037] In this embodiment, the annular oil storage groove 11 includes a first oil storage groove stepped portion 111 and a second oil storage groove stepped portion 112, the first oil storage groove stepped portion 111 is located near the opening end of the annular oil storage groove 11, the sealing plate 2 is fixedly installed in the first oil storage groove stepped portion 111 by screws, and the inertia block 12 is located in the second oil storage groove stepped portion 112, wherein the inertia block 12 is fixedly connected with a bearing ring between the inner walls of the second oil storage groove stepped portion 112, the depth of the first oil storage groove stepped portion 111 is less than that of the second oil storage groove stepped portion 112, and silicone oil is injected into the periphery of the inertia block 12 and the second oil storage groove stepped portion 112.

[0038] In the embodiment, one side of the sealing plate 2 and outside the two oil injection holes 21 are fixedly installed with a sealing gasket 22. When the sealing plate 2 seals the opening end of the annular oil storage groove 11, the sealing gasket 22 is in contact with the inner wall of the first oil storage groove step portion 111 away from the opening end of the annular oil storage groove 11, which increases the adhesion between the sealing plate 2 and the first oil storage groove step portion 111 and increases the sealing between the sealing plate 2 and the first oil storage groove step portion 111, thereby increasing the sealing effect of the opening end of the annular oil storage groove 11. The sealing gasket 22 and the sealing gasket 23 are both made of rubber pads. When the sealing head 3 is engaged with the threaded groove 211, the sealing head 3 is in contact with the sealing gasket 23. By arranging the sealing gasket 23, when the sealing head 3 is engaged with the threaded groove 211, the sealing head 3 is in contact with the sealing gasket 23, which increases the adhesion between the sealing head 3 and the sealing plate 2 and increases the sealing between the sealing head 3 and the sealing plate 2, thereby increasing the sealing effect of the oil injection hole 21.

[0039] Embodiment three

[0040] As shown in the above embodiment, the embodiment further gives the following contents: Figures 1-4

[0041] In the embodiment, the inertial block 12 is provided with a clearance groove 121 at the bottom of one side close to the oil injection hole 21, and the fixed plate 41 is located in the clearance groove 121. By arranging the clearance groove 121, the clearance effect of the fixed plate 41 and the spring 42 is achieved, so that during the operation of the shock absorber, when the inertial block 12 moves, the interference or collision between the inertial block 12 and other parts is effectively avoided, so as to protect the integrity and performance of the shock absorber. At the same time, the design of the clearance groove 121 can control the flow path of the silicone oil between the inertial block 12 and other parts of the shock absorber, thereby improving the damping effect and damping performance.

[0042] In the embodiment, the fixed plate 41 is fixedly installed with a limiting ring 5 outside the spring 42. By arranging the limiting ring 5, the limiting effect of the spring 42 is achieved, so as to effectively ensure that the spring 42 is in contact with the sealing head 3.

[0043] In the embodiment, the shell 1 and the sealing plate 2 are fixedly sleeved with a dust cover 6. The dust cover 6 is made of plastic shell. By arranging the dust cover 6, the dust cover 6 can prevent dust, soil and other impurities from entering the inside of the shock absorber, so as to effectively avoid the attachment of these impurities on the key components of the shock absorber, which affects the normal work and performance.

[0044] ​It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A stepped silicone oil damper characterized by: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

2. The stepped silicone oil damper of claim 1, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

3. The stepped silicone oil damper of claim 1, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

4. A stepped silicone oil damper according to claim 3, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

5. The stepped silicone oil damper of claim 2, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

6. The stepped silicone oil damper of claim 2, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank.

7. The stepped silicone oil damper of claim 1, wherein: The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. The utility model provides a kind of inertial block, which is installed in the annular oil tank of the shell, and the annular oil tank is filled with silicon oil, and the inertial block is arranged in the annular oil tank. 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