Solenoid valve shock absorber bottom valve

Abstract

The utility model provides a solenoid valve shock absorber bottom valve which comprises a bottom valve body, a drainage groove is formed in the upper surface of the bottom valve body, damping holes are symmetrically formed in the bottom of the drainage groove, a center hole is formed in the middle of the upper surface of the bottom valve body, the inner side face of the center hole is fixedly connected with a spoiler, and meanwhile damping grooves are symmetrically formed in the upper surface of the bottom valve body. Supporting blocks are symmetrically connected to the edge of the lower surface of the bottom valve body, and flow blocking grooves are symmetrically formed in the two end faces of each supporting block. Through cooperation of the damping hole, the damping groove, the center hole, the flow blocking plate and the flow blocking groove, the damping effect between the bottom valve and hydraulic oil can be effectively enhanced, and then the damping effect between the bottom valve and the hydraulic oil can be enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to shock absorber technical field, concretely relates to a solenoid valve shock absorber bottom valve. BACKGROUND

[0002] The solenoid valve shock absorber is a device that adjusts the damping by controlling the oil flow rate inside the shock absorber; its working principle is to realize flexible adjustment of the damping value of the shock absorber by controlling the flow channel size of the shock absorbing oil inside the solenoid valve; this shock absorber usually increases an additional solenoid valve on the basis of the traditional shock absorber, and can realize flexible adjustment of the damping value of the shock absorber by controlling the flow channel size of the shock absorbing oil inside the solenoid valve; the main components of the solenoid valve shock absorber include the solenoid valve and the shock absorber itself, when the piston inside the shock absorber moves up and down due to vibration, the pressure oil in the shock absorber repeatedly flows into the shock absorber oil storage cylinder from the shock absorber working cylinder through different throttle holes, at this time, the friction between the hole wall and the hydraulic oil and the internal friction between the hydraulic oil molecules form a damping force for the vibration, thereby realizing the corresponding damping effect, wherein the bottom valve is one of the important parts in the shock absorber, and has a crucial influence on the generation of the damping force of the shock absorber, but the overall structure of the existing bottom valve is relatively simple, and the blocking effect of the throttle hole on the hydraulic oil is poor, so that when the hydraulic oil passes through the throttle hole of the bottom valve, due to the rapid passage of the hydraulic oil, the damping force generated between the bottom valve and the hydraulic oil is too small, so that the damping effect cannot be achieved or the damping effect is extremely poor, thereby affecting the overall damping effect of the solenoid valve shock absorber. SUMMARY

[0003] In order to overcome the defects existing in the prior art, the solenoid valve shock absorber bottom valve is provided to solve the problems in the background art.

[0004] In order to achieve the above purpose, the solenoid valve shock absorber bottom valve is provided, which comprises a bottom valve body, a drainage groove is formed on the upper surface of the bottom valve body, a damping hole is symmetrically formed at the bottom of the drainage groove, a center hole is formed in the middle of the upper surface of the bottom valve body, a flow resistance plate is fixedly connected to the inner side of the center hole, a damping groove is symmetrically formed on the upper surface of the bottom valve body, and a support block is symmetrically connected to the edge of the lower surface of the bottom valve body, and a flow resistance groove is symmetrically formed on the end surface of the support block.

[0005] Preferably, the center hole formed in the middle of the surface of the bottom valve body is in a cylindrical structure, and the flow resistance plate fixedly connected to the inner side of the center hole is in a spiral structure, and the end surface of the flow resistance plate is in an isosceles trapezoidal structure.

[0006] Preferably, the drainage groove formed on the upper surface of the bottom valve body is in a circular ring structure, and the cross section of the drainage groove is in an isosceles trapezoidal structure, and the ring width of the bottom of the drainage groove is smaller than the ring width of the opening at the upper end of the drainage groove.

[0007] Preferably, the bottom of the drainage groove inner cavity is circumferentially provided with six groups of damping holes at equal intervals, and the six groups of damping holes are all in the structure of circular truncated cone, and the upper opening of the damping hole is larger than the lower opening of the damping hole.

[0008] Preferably, the surface of the bottom valve body is circumferentially provided with six groups of damping grooves at equal intervals, and the six groups of damping grooves are all located outside the drainage groove, and the six groups of damping grooves are all in the structure of prismatic truncated cone, and the opening end of the adjacent damping groove with smaller size faces the opposite direction.

[0009] Preferably, the lower surface of the bottom valve body is circumferentially fixedly connected with six groups of support blocks at equal intervals, and the six groups of support blocks are all in the structure of fan ring, and the gaps between the adjacent support blocks and the damping grooves are in staggered distribution.

[0010] Preferably, the two groups of flow resistance grooves provided in the end faces of the two ends of the support block are all in the structure of right-angle triangular prism, and the gap between the adjacent support blocks is in the structure of isosceles trapezoid.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of the drainage groove, the damping hole, the damping groove, the center hole, the flow resistance plate and the flow resistance groove, when the hydraulic oil passes through the throttle hole of the bottom valve, the damping force generated between the bottom valve and the hydraulic oil can be increased, so that the damping effect generated by the mutual cooperation between the hydraulic oil and the bottom valve is effectively enhanced, and then the overall damping effect of the electromagnetic valve damper can be assisted to be enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the utility model embodiment.

[0013] Figure 2 It is a side view schematic diagram of the utility model embodiment.

[0014] Figure 3 It is a top view schematic diagram of the utility model embodiment.

[0015] Figure 4 It is a bottom view schematic diagram of the utility model embodiment.

[0016] In the drawing: 1, bottom valve body; 2, damping hole; 3, flow resistance plate; 4, center hole; 5, drainage groove; 6, support block; 7, damping groove; 8, flow resistance groove. DETAILED DESCRIPTION

[0017] The technical scheme in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Referring to Figures 1 to 4 The utility model provides a kind of electromagnetic valve shock absorber bottom valve, comprising: bottom valve main body, the upper surface of the bottom valve main body is opened drainage groove, the bottom of drainage groove is opened damping hole symmetrically, and the middle part of bottom valve main body upper surface is opened center hole, while center hole inner side is fixedly connected with choke plate, while bottom valve main body upper surface is opened damping groove symmetrically, and bottom valve main body lower surface edge is symmetrically connected with support block, and the end surface of support block is opened choke groove symmetrically.

[0019] In the embodiment, the drainage groove opened on the surface of the bottom valve main body can not only assist in guiding the hydraulic oil to flow into the damping hole, but also assist in increasing the damping force generated between the hydraulic oil and the bottom valve main body. Through the cooperation of the damping hole, the damping groove, the center hole and the choke plate, the damping effect of the hydraulic oil passing through the bottom valve can be effectively enhanced, thereby increasing the damping force between the hydraulic oil and the electromagnetic valve shock absorber base and improving the damping effect between the bottom valve and the hydraulic oil. At the same time, through the cooperation of the support block, the choke groove, the damping groove, the center hole and the choke plate, the damping effect of the hydraulic oil when flowing back can also be effectively enhanced, thereby increasing the damping force of the hydraulic oil when flowing back through the bottom valve and enhancing the overall damping effect of the electromagnetic valve shock absorber.

[0020] As a preferred embodiment, the center hole opened in the middle part of the surface of the bottom valve main body is in a cylindrical structure, and the choke plate fixedly connected to the inner side of the center hole is in a spiral structure, and the end surface of the choke plate is in an isosceles trapezoidal structure.

[0021] In the embodiment, as shown in Figure 1 and Figure 3 The structure of the choke plate can not only ensure the smooth passage of the hydraulic oil through the center hole, but also effectively increase the damping force of the hydraulic oil when passing through the center hole, thereby enhancing the damping effect of the bottom valve.

[0022] As a preferred embodiment, the drainage groove opened on the upper surface of the bottom valve main body is in a circular ring structure, and the cross section of the drainage groove is in an isosceles trapezoidal structure, and the ring width of the bottom of the drainage groove is smaller than the ring width of the opening at the upper end of the drainage groove.

[0023] In the embodiment, as shown in Figure 1 and Figure 3 The structure of the drainage groove can not only assist in guiding the hydraulic oil to flow into the damping hole, but also assist in enhancing the damping force generated between the hydraulic oil and the bottom valve main body.

[0024] As a preferred embodiment, six groups of damping holes are opened at the bottom of the inner cavity of the drainage groove at equal intervals in the circumferential direction, and each of the six groups of damping holes is in a circular truncated cone structure, and the size of the opening at the upper end of the damping hole is larger than the size of the opening at the lower end of the damping hole.

[0025] In the embodiment, as shown inFigure 1 、 Figure 3 and Figure 4 The structure of the damping hole can effectively increase the damping force when the hydraulic oil passes through the damping hole, and can effectively enhance the damping effect between the bottom valve and the hydraulic oil.

[0026] As a preferred embodiment, six groups of damping grooves are evenly arranged on the surface of the bottom valve body in the circumferential direction, and the six groups of damping grooves are located outside the drainage groove, and the six groups of damping grooves are in the form of a prism, and the opening ends of adjacent damping grooves with smaller sizes face opposite directions.

[0027] In this embodiment, as Figure 2 、 Figure 3 and Figure 4 The opening ends of adjacent damping grooves with smaller sizes face opposite directions, so that the damping force between the bottom valve and the hydraulic oil can be effectively increased when the hydraulic oil flows through the bottom valve and the hydraulic oil flows through the bottom valve in the opposite direction, and the corresponding damping effect is enhanced.

[0028] As a preferred embodiment, six groups of support blocks are fixedly connected to the lower surface of the bottom valve body in the circumferential direction, and the six groups of support blocks are in the form of a fan ring, and the adjacent support blocks and the damping grooves are in a staggered distribution.

[0029] In this embodiment, as Figure 2 and Figure 4 The structure of the support block can not only assist in enhancing the stability of the bottom valve when placed, but also can make the hydraulic oil flow in different chambers through the gap between the support blocks, thereby enhancing the overall damping effect of the electromagnetic valve damper.

[0030] As a preferred embodiment, the two groups of flow resistance grooves formed at the ends of the support block are in the form of a right-angle triangular prism, and the gap between the adjacent support blocks is in the form of an isosceles trapezoid.

[0031] In this embodiment, as Figure 2 and Figure 4 The structure of the gap between the adjacent support blocks can effectively increase the damping force when the hydraulic oil flows in the opposite direction, and the flow resistance grooves formed at the ends of the support block can further increase the damping force when the hydraulic oil flows in the opposite direction, thereby assisting in enhancing the damping effect between the bottom valve and the hydraulic oil.

[0032] The bottom valve of the electromagnetic valve damper can effectively enhance the damping effect between the bottom valve and the hydraulic oil through the cooperation of the damping hole, the damping groove, the center hole, the flow resistance plate and the flow resistance groove, thereby enhancing the damping effect between the bottom valve and the hydraulic oil, and ensuring that the electromagnetic valve damper has good damping effect.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A foot valve for a solenoid valve shock absorber, comprising: The bottom valve body (1) is characterized in that: a flow channel (5) is opened on the upper surface of the bottom valve body (1), a damping hole (2) is symmetrically opened at the bottom of the flow channel (5), and a central hole (4) is opened in the middle of the upper surface of the bottom valve body (1), and a flow-blocking plate (3) is fixedly connected to the inner side of the central hole (4). At the same time, a damping groove (7) is symmetrically opened on the upper surface of the bottom valve body (1), and a support block (6) is symmetrically connected at the edge of the lower surface of the bottom valve body (1). Flow-blocking grooves (8) are symmetrically opened on the two end faces of the support block (6).

2. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The central hole (4) in the middle of the surface of the bottom valve body (1) is cylindrical, and the baffle plate (3) fixedly connected to the inner side of the central hole (4) is spiral, while the end face of the baffle plate (3) is an isosceles trapezoid.

3. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The drainage groove (5) opened on the upper surface of the bottom valve body (1) has a circular structure, and the cross section of the drainage groove (5) has an isosceles trapezoidal structure. The ring width at the bottom of the drainage groove (5) is smaller than the ring width at the upper opening of the drainage groove (5).

4. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The bottom of the inner cavity of the drainage groove (5) has six sets of damping holes (2) at equal intervals around the circumference. All six sets of damping holes (2) are frustum-shaped, and the size of the upper opening of the damping hole (2) is larger than the size of the lower opening of the damping hole (2).

5. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The bottom valve body (1) has six sets of damping grooves (7) evenly spaced around its surface in the circumferential direction. All six sets of damping grooves (7) are located outside the diversion groove (5), and all six sets of damping grooves (7) have a frustum-shaped structure. Meanwhile, the smaller opening ends of adjacent damping grooves (7) face opposite directions.

6. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The bottom valve body (1) has six sets of support blocks (6) fixedly connected around the lower surface of the body at equal intervals in the circumferential direction. All six sets of support blocks (6) have a fan-shaped ring structure, and the adjacent support blocks (6) and damping grooves (7) are staggered.

7. The solenoid valve shock absorber bottom valve according to claim 1, characterized in that, The two sets of flow-blocking grooves (8) opened on the end faces of the support block (6) are both right-angled triangular prism structures, and the gaps between adjacent support blocks (6) are isosceles trapezoidal structures.

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