CN208831741U - A kind of fluid supplement solenoid valve structure - Google Patents

Abstract

The utility model discloses a kind of fluid supplement solenoid valve structures, including fluid infusion valve shell, the upper surface of the fluid infusion valve shell is equipped with coil pins, the coil pins and the fluid infusion valve shell, which loosen, to be connected, the inner vertical midline of the fluid infusion valve shell is equipped with reset spring, the reset spring is slidably connected with the fluid infusion valve shell, and the bottom of the fluid infusion valve shell is equipped with core assembly, and the core assembly is slidably connected with the fluid infusion valve shell.In the utility model, first, by being provided with reset spring, compared with conventional springs have the characteristics that pressure and height it is small, be easy to reset, with shell friction it is small, installing and using aspect is required to structure size many advantages, such as simple, response is rapid, without clamping stagnation, also, the structure of the dolioform spring is small in the end and big in the middle, after spring-compressed sloped-end deformation does not still exceed middle, so such both ends of the spring whether polish on service performance influence it is smaller.

Description

A kind of fluid supplement solenoid valve structure

Technical field

The utility model relates to Solenoid Valve Technology field more particularly to a kind of fluid supplement solenoid valve structures.

Background technique

Fluid supplement solenoid valve used in hydraulic ESC belongs to a kind of micro hydraulic switch valve, the structure solenoid valve have size it is small, The features such as structure is compact, response is fast.However domestic and international valve core reseting spring used is all traditional cylindrical screw compression at present Spring, requirement of this spring to mounting structure size is relatively high, and fluid infusion valve base and fluid infusion valve base are structure as a whole, processing Difficulty is higher, so being badly in need of a kind of appearance of the fluid supplement solenoid valve of new construction, to solve current industry problem encountered.

Utility model content

The utility model is and a kind of fluid supplement solenoid valve structure proposed in order to solve disadvantage existing in the prior art.

To achieve the goals above, the utility model adopts the technical scheme that a kind of fluid supplement solenoid valve structure, including Fluid infusion valve shell, the upper surface of the fluid infusion valve shell are equipped with coil pins, the coil pins and fluid infusion valve shell pine Dynamic connection, the inner vertical midline of the fluid infusion valve shell are equipped with reset spring, outside the reset spring and the make-up valve Shell is slidably connected, and the bottom of the fluid infusion valve shell is equipped with core assembly, and the core assembly and the fluid infusion valve shell slide The lateral wall of connection, the core assembly is equipped with annular filter screen, which is fixedly connected with the core assembly, the valve The lower surface of core assembly is equipped with fluid infusion valve base, and the fluid infusion valve base and the core assembly are tightly connected, the make-up valve The lateral wall of valve seat is equipped with fluid infusion valve base, and the fluid infusion valve base is fixedly connected with the fluid infusion valve base, the make-up valve The lateral wall of pedestal is equipped with v-ring, and the v-ring and the fluid infusion valve base are tightly connected.

Preferably, the fluid infusion valve base and the fluid infusion valve base are separate structure.

Preferably, the reset spring is dolioform spring, and mid diameter is big, and both ends diameter is small.

Preferably, the reset spring maximum gauge is φ 6.6, and minimum diameter is φ 5, and the rigidity of the reset spring P ' is 0.40N/mm.

Preferably, the inner surface wall bottom center of the core assembly is equipped with oil inlet, and oil inlet is evenly arranged on the spool The appearance wall circumference of component.

Compared with prior art, the utility model has the beneficial effects that firstly, by being provided with reset spring, and tradition Spring compared to have the characteristics that pressure and height it is small, without halt processing, be easy to reset, with shell friction it is small, installing and using Aspect to structure size require simple, response rapidly, without clamping stagnation many advantages, such as, also, during the structure of the dolioform spring is Between it is big, it is small in ends, still do not exceed middle after the sloped-end deformation after spring-compressed, so this kind of both ends of the spring whether Polishing influences service performance smaller, and bullet can be just effectively ensured after then both ends being needed to polish in traditional cylindrical spiral compression spring The compressed gradient of spring, therefore the spring can not polish direct use with both ends, processing is simpler, and the success of the structure spring is set Meter and use, new opportunity is brought to industry, finally, fluid infusion valve base of the present invention and fluid infusion valve base are separate structure, is made Sealing surface on fluid infusion valve base is changed to end face and shallow bore hole processing, is reduced difficult processing by the deep hole machining in former integral structure Degree.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of fluid supplement solenoid valve structure structural schematic diagram；

Fig. 2 be the utility model proposes a kind of fluid supplement solenoid valve structure in offsetting spring structure schematic diagram；

Fig. 3 be the utility model proposes a kind of fluid supplement solenoid valve structure in make-up valve schematic diagram of base structure.

In figure: 1, coil pins；2, fluid infusion valve shell；3, reset spring；4, core assembly；5, annular filter screen；6, fluid infusion Valve base；7, fluid infusion valve base；8, v-ring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of fluid supplement solenoid valve structure, including make-up valve Shell 2, the upper surface of fluid infusion valve shell 2 are equipped with coil pins 1, and coil pins 1 and fluid infusion valve shell 2, which loosen, to be connected, make-up valve The inner vertical midline of shell 2 is equipped with reset spring 3, and reset spring 3 is slidably connected with fluid infusion valve shell 2, fluid infusion valve shell 2 Bottom be equipped with core assembly 4, core assembly 4 is slidably connected with fluid infusion valve shell 2, and the lateral wall of core assembly 4 is equipped with annular Strainer 5, the annular filter screen 5 are fixedly connected with core assembly 4, and the lower surface of core assembly 4 is equipped with fluid infusion valve base 6, make-up valve Valve seat 6 and core assembly 4 are tightly connected, and the lateral wall of fluid infusion valve base 6 is equipped with fluid infusion valve base 7, fluid infusion valve base 7 and fluid infusion Valve base 6 is fixedly connected, and the lateral wall of fluid infusion valve base 7 is equipped with v-ring 8, and v-ring 8 and fluid infusion valve base 7 seal Connection.

Fluid infusion valve base 6 and fluid infusion valve base 7 are separate structure, and separate structure adds the deep hole in original integral structure Work is changed to end face and shallow bore hole processing, can substantially reduce difficulty of processing in this way, and reset spring 3 is dolioform spring, mid diameter Greatly, both ends diameter is small, and dolioform spring pressure is simultaneously highly smaller, is easy to reset, so 2 height of fluid infusion valve shell can design more Short, structure is more compact, and 3 maximum gauge of reset spring is φ 6.6, and minimum diameter is φ 5, and the rigidity P ' of reset spring 3 is 0.404N/mm, the spring force that core assembly 4 needs to overcome are 2.43N, and the inner surface wall bottom center of core assembly 4 is equipped with Hydraulic fluid port, oil inlet are distributed in the appearance wall circumference of the core assembly.

Working principle: under normal conditions (electromagnetic coil must not be electric), core assembly 4 is in closed state to the device, resets bullet Spring 3 is in pre-compressed state；Under working condition (electromagnetic coil obtains electric), core assembly 4 (is inhaled simultaneously with the increase of electrical current Resultant force increases) and opening is moved up, oil inlet and outlet conducting, reset spring 3 is in compressive state, the row of core assembly 4 at this time The stroke of journey, that is, reset spring 3；On the contrary, electromagnetic coil power loss, core assembly 4 is closed under the action of reset spring 3, disengaging oil Mouth disconnects, and reset spring 3 returns to pre-compressed state at this time.Waist drum both ends of the spring diameter is small, and mid diameter is big, presses and height is small, It is easy to reset, is well suited for this hydraulic switching valve compact-sized, flow is big.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of fluid supplement solenoid valve structure, including fluid infusion valve shell (2), it is characterised in that: the upper table of the fluid infusion valve shell (2) Face is equipped with coil pins (1), and the coil pins (1) and the fluid infusion valve shell (2) loosen and connect, the fluid infusion valve shell (2) inner vertical midline is equipped with reset spring (3), and the reset spring (3) and the fluid infusion valve shell (2) sliding connect It connects, the bottom of the fluid infusion valve shell (2) is equipped with core assembly (4), the core assembly (4) and the fluid infusion valve shell (2) It is slidably connected, the lateral wall of the core assembly (4) is equipped with annular filter screen (5), the annular filter screen (5) and the core assembly (4) be fixedly connected, the lower surface of the core assembly (4) is equipped with fluid infusion valve base (6), the fluid infusion valve base (6) with it is described Core assembly (4) is tightly connected, and the lateral wall of the fluid infusion valve base (6) is equipped with fluid infusion valve base (7), the fluid infusion valve base (7) it is fixedly connected with the fluid infusion valve base (6), the lateral wall of the fluid infusion valve base (7) is equipped with v-ring (8), described V-ring (8) and the fluid infusion valve base (7) are tightly connected.

2. a kind of fluid supplement solenoid valve structure according to claim 1, it is characterised in that: the fluid infusion valve base (6) and institute Stating fluid infusion valve base (7) is separate structure.

3. a kind of fluid supplement solenoid valve structure according to claim 1, it is characterised in that: the reset spring (3) is waist drum Shape spring, mid diameter is big, and both ends diameter is small.

4. a kind of fluid supplement solenoid valve structure according to claim 1, it is characterised in that: the reset spring (3) is maximum straight Diameter is φ 6.6, and minimum diameter is φ 5, and the rigidity P ' of the reset spring (3) is 0.404N/mm.

5. a kind of fluid supplement solenoid valve structure according to claim 1, it is characterised in that: the interior table of the core assembly (4) Wall bottom center is equipped with oil outlet, and oil inlet is evenly arranged on the appearance wall circumference of the core assembly (4).