CN207814616U

CN207814616U - A kind of five mouthfuls of "A" end of car minor solenoid valves

Info

Publication number: CN207814616U
Application number: CN201721505664.9U
Authority: CN
Inventors: 蒋孟杰
Original assignee: Ningbo Shengda Sunlight Automation Technology Co Ltd
Current assignee: Ningbo Shengda Sunlight Automation Technology Co Ltd
Priority date: 2017-09-29
Filing date: 2017-11-13
Publication date: 2018-09-04
Anticipated expiration: 2027-11-13

Abstract

The utility model is related to a kind of five mouthfuls of "A" end of car minor solenoid valves, including valve body, spool is equipped in valve body, valve body is connected with rear cover and valve seat, first guide assembly is connected on valve seat, terminal is installed on first guide assembly, first guide assembly includes casing, dynamic iron core, static iron core and electromagnetic coil, dynamic iron core is equipped with straight slot, the first chock plug is equipped in straight slot, first spring, isolated tube, second spring and the second chock plug, straight slot inner circumferential is equipped with first step, second step, third step and the 4th step, isolated tube periphery is equipped with arc-shaped limit circle, arc-shaped limit circle coordinates with the limit of third step, first spring is set between the first chock plug and arc-shaped limit circle, second spring is set between arc-shaped limit circle and the second chock plug, static iron core periphery is provided with the first locating slot and the second locating slot, casing is equipped with the first locating piece and the second locating piece.The utility model structure setting is reasonable, enhances leakproofness, reduces the degree of wear of chock plug.

Description

A kind of five mouthfuls of "A" end of car minor solenoid valves

Technical field

The utility model is related to Solenoid Valve Technology field, more particularly to a kind of five mouthfuls of "A" end of car minor solenoid valves.

Background technology

Solenoid valve is electromagnetically controlled industrial equipment, is the automatic foundamental element for controlling fluid, belongs to execution Device, however it is not limited to hydraulic pressure, pneumatic.Direction, flow, speed and the other parameters of medium are adjusted in industrial control system. Solenoid valve can coordinate different circuits to realize expected control, and the precision and flexibility that control can ensure.Electromagnetism There are many kinds of valves, and different solenoid valves plays a role in the different location of control system, and the most commonly used is check valve, safety valve sides To control valve, speed-regulating valve etc..

Solenoid valve includes first guide assembly, in the prior art, static iron core in valve seat and first guide assembly in solenoid valve It axially is both provided with air flue, the both ends of dynamic iron core are separately installed with the chock plug for blocking two air flues, and chock plug is normally held in In dynamic iron core, when the adsorption capacity of dynamic iron core is smaller, the leakproofness of chock plug and air flue is poor, when the adsorption capacity of dynamic iron core is larger, plug Head is frequently blocked with air flue, is caused chock plug abrasion more serious, is needed to be replaced frequently chock plug, reduce the service efficiency of solenoid valve, And dynamic iron core is frequently contacted with static iron core, and the static iron core being mounted on casing is caused to be easy to loosen, the rotation sliding of static iron core Air-tightness between the two can be caused poor.

Invention content

The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of five mouthfuls of "A" end of car minor electricity is provided The left end periphery of magnet valve, isolated tube is convexly equipped with arc-shaped limit circle, and arc-shaped limit circle coordinates with the limit of third step, and the first spring supports Between the right end and the protruding end of arc-shaped limit circle of the first chock plug, the right end of the first spring is arranged in arc-shaped limit circle protrusion It holds between periphery and dynamic iron core inner wall, second spring is supported between the concave end and the left end of the second chock plug of arc-shaped limit circle, Second spring is limited between isolation pipe outer wall and dynamic iron core inner wall, by the first spring and the mutual expansion fit of second spring, The closure dynamics that the first chock plug and air inlet and the second chock plug and exhaust passage can preferably be controlled, enhances leakproofness, Reduce the degree of wear of chock plug；The first locating slot and the second locating slot are provided with the outer periphery of static iron core is substantially symmetrical about its central axis, Casing be equipped with matched first locating piece of the first locating slot and with matched second locating piece of the second locating slot, can prevent Static iron core is slided or is rotated in casing.

To achieve the above object, the utility model uses following technical scheme.

A kind of five mouthfuls of "A" end of car minor solenoid valve described in the utility model, including valve body, valve body is interior to be equipped with spool, valve body Left end be connected with rear cover, right end is connected with valve seat, be connected on valve seat driving spool movement first guide assembly, guide's group Terminal is installed on part, elder generation's guide assembly includes casing, the dynamic iron core that is movably arranged in casing, be fixed at it is quiet in casing Iron core and the electromagnetic coil being fixed at outside casing, the left end of casing are fixedly connected with valve seat, the left end periphery of dynamic iron core with It is supported between casing and is equipped with third spring；Valve seat, casing and static iron core have cooperatively formed valve chamber, are respectively equipped on valve seat and connect with valve chamber Logical air inlet and gas outlet, static iron core are axially arranged with the exhaust passage being connected to valve chamber, and dynamic iron core is axially arranged with straight slot, straight slot Inside it is disposed with the first chock plug, the first spring, isolated tube, second spring and the second chock plug from left to right, straight slot inner circumferential is from a left side Be disposed with first step, second step, third step and the 4th step to the right side, the first chock plug be movably arranged at first step with Between second step and the left end of the first chock plug blocks with air inlet and coordinates, the second chock plug and the 4th step limit cooperation and second The right end of chock plug is blocked with exhaust passage to be coordinated, and the left end periphery of isolated tube is convexly equipped with arc-shaped limit circle, arc-shaped limit circle and the The limit cooperation of three steps, the first spring support between the right end and the protruding end of arc-shaped limit circle of the first chock plug, the first spring Right end be arranged between arc-shaped limit circle protruding end periphery and dynamic iron core inner wall, second spring is supported interior set on arc-shaped limit circle Between female end and the left end of the second chock plug, second spring is limited between isolation pipe outer wall and dynamic iron core inner wall, dynamic iron core outer wall On offer the first passage being connected to valve chamber, radially offered in dynamic iron core connection first passage and straight slot through-hole；Quiet iron The outer periphery of core is substantially symmetrical about its central axis to be provided with the first locating slot and the second locating slot, is inwardly convexly equipped on casing and the first locating slot Matched first locating piece and with matched second locating piece of the second locating slot.

Further, the periphery of isolated tube is formed with the 5th step, and the periphery projection that isolated tube is located at the 5th step is limited Position ring, spacing ring coordinate with the limit of third step, and the first spring supports between the right end and the left end of spacing ring of the first chock plug, First spring retainer is located in isolated tube between the outer wall and dynamic iron core inner wall of spacing ring left end, and second spring, which is supported, is set to spacing ring Right end and the left end of the second chock plug between, second spring is limited in isolated tube and is located in the outer wall and dynamic iron core of spacing ring right end Between wall.

Further, be equipped with the piston for withstanding on spool right end in the cavity of valve seat, the left end of spool is equipped with groove, groove with It is supported between the cavity of rear cover and is equipped with the 4th spring, pillar is equipped in the cavity of rear cover, the 4th spring pocket is set on pillar.

Further, valve seat wall is equipped with the hand lever for manual actuation dynamic iron core.

Further, the 5th spring is equipped between hand lever and valve seat.

The utility model has the beneficial effect that：The first spring, isolated tube and second spring is arranged in the utility model, isolated tube Left end periphery is convexly equipped with arc-shaped limit circle, and arc-shaped limit circle coordinates with the limit of third step, and the first spring, which supports, is set to the first chock plug Right end and the protruding end of arc-shaped limit circle between, the right end of the first spring is arranged in arc-shaped limit circle protruding end periphery and dynamic iron Between in-core wall, second spring is supported between the concave end and the left end of the second chock plug of arc-shaped limit circle, second spring limit Between isolation pipe outer wall and dynamic iron core inner wall, by the first spring and the mutual expansion fit of second spring, can preferably it control The closure dynamics for making the first chock plug and air inlet and the second chock plug and exhaust passage, enhances leakproofness, reduces chock plug The degree of wear；The first locating slot and the second locating slot are provided with the outer periphery of static iron core is substantially symmetrical about its central axis, to convex on casing Equipped with matched first locating piece of the first locating slot and with matched second locating piece of the second locating slot, static iron core can be prevented It slides or rotates in casing.The utility model structure setting is reasonable, enhances leakproofness, reduces the degree of wear of chock plug.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model embodiment one.

Fig. 2 is the structural schematic diagram of one dynamic iron core of the utility model embodiment.

Fig. 3 is the structural schematic diagram of two dynamic iron core of the utility model embodiment.

In figure:1, valve body；2, spool；3, rear cover；4, valve seat；5, terminal；6, casing；7, dynamic iron core；8, static iron core；9, electric Magnetic coil；10, third spring；11, valve chamber；12, air inlet；13, exhaust passage；14, straight slot；15, the first chock plug；16, first Spring；17, isolated tube；18, second spring；19, the second chock plug；20, first step；21, second step；22, third step； 23, the 4th step；24, arc-shaped limit circle；25, first passage；26, through-hole；27, the first locating slot；28, the second locating slot；29、 First locating piece；30, the second locating piece；31, the 5th step；32, spacing ring；33, piston；34, groove；35, the 4th spring； 36, pillar；37, hand lever；38, the 5th spring.

Specific implementation mode

The utility model will be further described below with reference to the accompanying drawings.

Embodiment one, as depicted in figs. 1 and 2, a kind of five mouthfuls of "A" end of car minor solenoid valve described in the utility model, including Valve body 1, valve body 1 is interior to be equipped with spool 2, and the left end of valve body 1 is connected with rear cover 3, right end is connected with valve seat 4, and drive is connected on valve seat 4 The first guide assembly that movable valve plug 2 moves is equipped with terminal 5 on elder generation's guide assembly, and elder generation's guide assembly includes that casing 6, activity are set In dynamic iron core 7, the static iron core 8 that is fixed in casing 6 and the electromagnetic coil 9 being fixed at outside casing 6 in casing 6, set The left end of pipe 6 is fixedly connected with valve seat 4, supports being equipped with third spring 10 between the left end periphery and casing 6 of dynamic iron core 7；Valve seat 4, Casing 6 and static iron core 8 have cooperatively formed valve chamber 11, and the air inlet 12 being connected to valve chamber 11 and gas outlet are respectively equipped on valve seat 4, Static iron core 8 is axially arranged with the exhaust passage 13 being connected to valve chamber 11, and dynamic iron core 7 is axially arranged with straight slot 14, in straight slot 14 from a left side to The right side is disposed with the first chock plug 15, the first spring 16, isolated tube 17, second spring 18 and the second chock plug 19,14 inner circumferential of straight slot It is disposed with first step 20, second step 21, third step 22 and the 4th step 23,15 activity of the first chock plug from left to right Between first step 20 and second step 21 and the left end of the first chock plug 15 blocks with air inlet 12 and coordinates, the second chock plug 19 The right end that cooperation and the second chock plug 19 are limited with the 4th step 23 blocks cooperation, the left end periphery of isolated tube 17 with exhaust passage 13 It is convexly equipped with arc-shaped limit circle 24, arc-shaped limit circle 24 coordinates with the limit of third step 22, and the first spring 16, which supports, is set to the first chock plug Between 15 right end and the protruding end of arc-shaped limit circle 24, the right end of the first spring 16 is arranged in outside 24 protruding end of arc-shaped limit circle Between week and 7 inner wall of dynamic iron core, second spring 18 support concave end and the second chock plug 19 set on arc-shaped limit circle 24 left end it Between, second spring 18 is limited between 7 inner wall of 17 outer wall of isolated tube and dynamic iron core, is offered on 7 outer wall of dynamic iron core and valve chamber 11 The first passage 25 of connection radially offers the through-hole 26 of connection first passage 25 and straight slot 14 in dynamic iron core 7, passes through the first bullet Spring 16 and 18 mutual expansion fit of second spring can preferably control the first chock plug 15 and air inlet 12 and the second chock plug 19 With the closure dynamics of exhaust passage 13, leakproofness is enhanced, reduces the degree of wear of chock plug；The outer periphery center of static iron core 8 Axial symmetry is provided with the first locating slot 27 and the second locating slot 28, is inwardly convexly equipped on casing 6 matched with the first locating slot 27 First locating piece 29 and with 28 matched second locating piece 30 of the second locating slot, can prevent static iron core 8 in the casing 6 sliding or Rotation during installing static iron core 8, carries out on casing 8 in position corresponding with the first locating slot 27 and the second locating slot 28 Punching press positions.

Be equipped with the piston 33 for withstanding on 2 right end of spool in the cavity of valve seat 4, the left end of spool 2 is equipped with groove 34, groove 34 with It is supported between the cavity of rear cover 3 and is equipped with the 4th spring 35, be equipped with pillar 36 in the cavity of rear cover 3, the 4th spring 35 is sheathed on pillar On 36；4 side wall of valve seat is equipped with the hand lever 37 for manual actuation dynamic iron core 7；The 5th is equipped between hand lever 37 and valve seat 4 Spring 38.

Embodiment two, as described in Figure 3, the present embodiment are identical as the agent structure of above-described embodiment one, and difference place is, The periphery of isolated tube 17 is formed with the 5th step 31, and isolated tube 17 is located at the periphery projection restraining position ring block 32 of the 5th step 31, limit Position ring 32 and third step 22 limit coordinates, the first spring 16 support right end set on the first chock plug 15 and spacing ring 32 left end it Between, the first spring 16 is limited in isolated tube 17 and is located between 7 inner wall of outer wall and dynamic iron core of 32 left end of spacing ring, second spring 18 To between the right end of spacing ring 32 and the left end of the second chock plug 19, second spring 18 is limited in isolated tube 17 and is located at spacing ring Between 7 inner wall of outer wall and dynamic iron core of 32 right ends.

The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.

Claims

1. a kind of five mouthfuls of "A" end of car minor solenoid valves, including valve body（1）, valve body（1）It is interior to be equipped with spool（2）, valve body（1）Left end It is connected with rear cover（3）, right end be connected with valve seat（4）, valve seat（4）On be connected with driving spool（2）Mobile first guide assembly, it is described Terminal is installed on first guide assembly（5）, elder generation's guide assembly includes casing（6）, be movably arranged at casing（6）Interior dynamic iron core（7）、 It is fixed at casing（6）Interior static iron core（8）And it is fixed at casing（6）Outer electromagnetic coil（9）, casing（6）Left end With valve seat（4）It is fixedly connected, dynamic iron core（7）Left end periphery and casing（6）Between support be equipped with third spring（10）；Valve seat（4）、 Casing（6）And static iron core（8）Valve chamber is cooperatively formed（11）, valve seat（4）On be respectively equipped with and valve chamber（11）The air inlet of connection （12）And gas outlet, static iron core（8）It is axially arranged with and valve chamber（11）The exhaust passage of connection（13）, it is characterised in that：Dynamic iron core （7）It is axially arranged with straight slot（14）, straight slot（14）It is inside disposed with the first chock plug from left to right（15）, the first spring（16）, every From pipe（17）, second spring（18）With the second chock plug（19）, straight slot（14）Inner circumferential is disposed with first step from left to right （20）, second step（21）, third step（22）With the 4th step（23）, the first chock plug（15）It is movably arranged at first step（20） With second step（21）Between and the first chock plug（15）Left end and air inlet（12）Block cooperation, the second chock plug（19）With the 4th Step（23）Limit cooperation and the second chock plug（19）Right end and exhaust passage（13）Block cooperation, isolated tube（17）Left end outside It is convexly equipped with arc-shaped limit circle week（24）, arc-shaped limit circle（24）With third step（22）Limit cooperation, the first spring（16）To setting In the first chock plug（15）Right end and arc-shaped limit circle（24）Protruding end between, the first spring（16）Right end be arranged in arc Spacing collar（24）Protruding end periphery and dynamic iron core（7）Between inner wall, second spring（18）To set on arc-shaped limit circle（24）It is interior Female end and the second chock plug（19）Left end between, second spring（18）It is limited in isolated tube（17）Outer wall and dynamic iron core（7）Inner wall Between, dynamic iron core（7）It is offered on outer wall and valve chamber（11）The first passage of connection（25）, dynamic iron core（7）Upper radial direction offers It is connected to first passage（25）With straight slot（14）Through-hole（26）；Static iron core（8）Outer periphery substantially symmetrical about its central axis to be provided with first fixed Position slot（27）With the second locating slot（28）, casing（6）On be inwardly convexly equipped with and the first locating slot（27）Matched first locating piece （29）With with the second locating slot（28）Matched second locating piece（30）.

2. a kind of five mouthfuls of "A" end of car minor solenoid valve according to claim 1, it is characterised in that：Isolated tube（17）Periphery It is formed with the 5th step（31）, isolated tube（17）Positioned at the 5th step（31）Periphery projection restraining position ring block（32）, spacing ring （32）With third step（22）Limit cooperation, the first spring（16）To set on the first chock plug（15）Right end and spacing ring（32）'s Between left end, the first spring（16）It is limited in isolated tube（17）Positioned at spacing ring（32）The outer wall and dynamic iron core of left end（7）Inner wall Between, second spring（18）To set on spacing ring（32）Right end and the second chock plug（19）Left end between, second spring（18） It is limited in isolated tube（17）Positioned at spacing ring（32）The outer wall and dynamic iron core of right end（7）Between inner wall.

3. a kind of five mouthfuls of "A" end of car minor solenoid valve according to claim 1, it is characterised in that：Valve seat（4）Cavity in Equipped with withstanding on spool（2）The piston of right end（33）, spool（2）Left end be equipped with groove（34）, groove（34）With rear cover（3）It is recessed It is supported between chamber and is equipped with the 4th spring（35）, rear cover（3）Cavity in be equipped with pillar（36）, the 4th spring（35）It is sheathed on pillar （36）On.

4. a kind of five mouthfuls of "A" end of car minor solenoid valve according to claim 1, it is characterised in that：Valve seat（4）It is set on side wall It is useful for manual actuation dynamic iron core（7）Hand lever（37）.

5. a kind of five mouthfuls of "A" end of car minor solenoid valve according to claim 4, it is characterised in that：Hand lever（37）With valve seat （4）Between be equipped with the 5th spring（38）.