CN209577250U

CN209577250U - A kind of bi-component stream on-off valve

Info

Publication number: CN209577250U
Application number: CN201822265059.XU
Authority: CN
Inventors: 叶茂权; 向东
Original assignee: Suzhou Industrial Park Doosi Electronic Technology Co Ltd
Current assignee: Suzhou Industrial Park Doosi Electronic Technology Co Ltd
Priority date: 2018-12-31
Filing date: 2018-12-31
Publication date: 2019-11-05
Anticipated expiration: 2028-12-31

Abstract

This application discloses a kind of bi-component stream on-off valves, including valve body, resorption component and glue valve head, valve body includes the main part for accommodating piston, the side wall of main part has multiple mounting planes, First piston bar and second piston bar are equipped on piston, First piston bar and second piston bar are respectively provided with guide part and on-off portion, guide part is wholely set with on-off portion, resorption component includes stopper, stopper includes the connecting column being threadedly coupled with resorption adjusting knob, it is used to support the step of upper cover lower surface set on connecting column distal end, stopper further includes the dampening assembly set on the lower surface of step, dampening assembly includes metal mounting blocks and the rubber pad on metal mounting blocks, rubber pad is oppositely arranged with piston, damping spring is equipped between metal mounting blocks and step, the application easy disassembly, it can prevent in for the broken of thread It is bad.

Description

A kind of bi-component stream on-off valve

Technical field

This application involves fluid device technical field more particularly to a kind of bi-component stream on-off valves.

Background technique

Dispenser is also known as glue spreader, adhesive dripping machine, adhesive supplier, glue pouring machine etc., is specially to control fluid, and by fluid Drop, the automatic machinery coated on product surface or interiors of products.Glue dispensing valve be dispensing machine equipment in order to realize product dispensing, Gluing, encapsulating, the essential dispensing accessory of encapsulation, major function are to realize the transport of packaging plastic aqueous medium and encapsulating In the case that water clock occurs for colloid, fluid in the process, rapidly by glue resorption fluid stopping, to guarantee package quality.In simple terms, point Glue valve be exactly it is a kind of be able to achieve the special switch that moment stops glue, be often used together with dispenser with glue pouring machine.There are commonly resorptions Formula glue dispensing valve, ejector pin type glue dispensing valve, plunger type glue dispensing valve, spraying type dispensing valve.

Currently on the market applied to the glue dispensing valve of bi-component since the limitation of its structure keeps its aligning when installation not square Just, it is easy to happen torsion when dismounting, moreover, is easy to happen collision in use so that equipment uses the longevity Life substantially reduces, and increases production cost.

Utility model content

The application technical problems to be solved are to provide a kind of bi-component stream on-off valve, and easy disassembly can prevent from making For the destruction of thread in.

In order to solve the above-mentioned technical problem, this application provides a kind of bi-component stream on-off valves, including valve body, resorption group Part and glue valve head, are equipped with first charging aperture and second charging aperture between the valve body and the glue valve head, the valve body includes Mounting portion and the connection main part and the mounting portion for accommodating the main part of piston and for accommodating seal assembly Interconnecting piece, the side wall of the main part has multiple mounting planes, and First piston bar and second living is equipped on the piston Stopper rod, the distal end of the First piston bar vertically pass through the first charging aperture and protrude into the glue valve head, and described second is living The distal end of stopper rod vertically passes through the second charging aperture and protrudes into the glue valve head, has accommodating first living in the glue valve head First cavity of stopper rod and the second cavity for accommodating the second piston bar, between the first charging aperture and first cavity Equipped with a general plug envelope, a general plug envelope, the First piston bar and institute are equipped between the second charging aperture and second cavity It states second piston bar and is respectively provided with guide part and on-off portion, the guide part is wholely set with the on-off portion, and described first is living The on-off portion of stopper rod has the sealed taper for supporting the general plug envelope to block glue to flow to from first charging aperture the first cavity Face, the on-off portion of the second piston bar has the sealing cone for blocking glue to flow to the second cavity from second charging aperture, described The small end of sealing cone is oppositely arranged with the general plug envelope, and the main part of the valve body is embedded with a upper cover, the resorption component Stopper including protruding into the resorption adjusting knob of the main part inner cavity from upper cover and set on resorption adjusting knob distal end, institute It states resorption adjusting knob to connect with the inner thread of the upper cover, the stopper includes the company being threadedly coupled with resorption adjusting knob It connects column, be used to support the step of upper cover lower surface set on the connecting column distal end, the stopper further includes being set to the step The dampening assembly of lower surface, the dampening assembly include metal mounting blocks and the rubber pad on the metal mounting blocks, institute It states rubber pad to be oppositely arranged with the piston, damping spring is equipped between the metal mounting blocks and the step.

Further, a lateral pin, one end of the lateral pin are equipped between the First piston bar and the second piston bar It is connect with the side wall of the First piston bar, the other end of the lateral pin is connect with the side wall of the second piston bar.

Further, a wherein mounting plane for the main part side wall is equipped with one and is projected on the mounting plane ontology Mounting blocks, the mounting blocks are equipped with multiple mounting holes for installing valve body.

Further, the inner cavity of the main part of the valve body is divided into above the piston upper surface by the piston Upper seal chamber and the lower seal chamber below the piston lower surface, the mounting blocks are equipped with for being connected to upper seal chamber The first air inlet and the second air inlet for being connected to the lower seal chamber.

Further, the mounting portion has the first installation cavity for accommodating First piston bar respectively and accommodates described second and lives Second installation cavity of stopper rod, first installation cavity are not connected to second installation cavity, and the seal assembly includes two groups, In one be mounted in first installation cavity, another to be mounted in second installation cavity, the seal assembly includes that sealing is protected Frame is held, the both ends of the sealing retainer are respectively equipped with general plug and seal, at least provided with two elastic packings between the two general plugs envelopes Circle.

Further, the glue valve head is equipped with the first plastic emitting channel being connected to first cavity and holds with described second Second plastic emitting channel of chamber connection, first plastic emitting channel is not connected to second plastic emitting channel and in the outlet of the two Place is equipped with partition.

Further, the side wall of the mounting portion is equipped with multiple pump nozzles, a portion and institute in the pump nozzle The connection of the first installation cavity is stated, another part is connected to second installation cavity.

Further, the side wall of the upper cover is equipped at least one elastic seal ring, the main part of the valve body be used for The lower wall of first and second plunger rod contacts is respectively equipped with elastic seal ring.

Further, the elastic seal ring is O-ring.

Further, two tie rods, one end of the tie rod are also connected between the valve body and the glue valve head The glue valve head is protruded into, the other end is connect with the valve body screw thread.

The beneficial effect of the application is:

1) multiple mounting planes, which are arranged, in the side wall of the main part of the utility model makes it convenient for freely installing to valve body Installation more fastens；

2) guide part of the two-piston bar of the application is wholely set with on-off portion, it is made to facilitate processing, reduce processing technology And it is enable to facilitate aligning when installation；

3) stopper of the application has dampening assembly, can reduce due to colliding to resorption adjusting knob and The protection of thread on upper lid, to improve the service life of equipment；

4) the application is equipped with a lateral pin between First piston bar and second piston bar, makes its two-piston when dismounting Bar will not twist.

The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention, And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the schematic diagram at another visual angle of the utility model；

Fig. 3 is the cross-sectional view F-F of the utility model；

Fig. 4 is the portion the A enlarged diagram of the utility model.

Wherein:

2 be valve body, 201 be main part, 202 be interconnecting piece, 203 be mounting portion, 4 be resorption component, 401 be resorption adjust Knob, 402 be stopper, 403 be connecting column, 404 be step, 405 be metal mounting blocks, 406 be rubber pad, 407 be damping bullet Spring, 6 be glue valve head, 8 be first charging aperture, 10 be second charging aperture, 12 be piston, 14 be seal assembly, 16 be mounting plane, 18 it is First piston bar, 1801 be on-off portion, 1802 be guide part, 20 be second piston bar, 22 be the first cavity, 24 is second Cavity, 26 be upper cover, 28 be lateral pin, 30 be mounting blocks, 32 be upper seal chamber, 34 be the first installation cavity, 36 be the second installation cavity, 38 be sealing retainer, 40 be the first plastic emitting channel, 42 be the second plastic emitting channel, 44 be partition, 46 be pump nozzle, 48 be elasticity Sealing ring, 50 be tie rod, 52 be the first air inlet, 54 be the second air inlet.

Specific embodiment

The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.

Referring to attached drawing 1 to 4, a kind of bi-component stream on-off valve described in one preferred embodiment of this explanation, including valve body 2, Resorption component 4 and glue valve head 6 are equipped with first charging aperture 8 and second charging aperture 10 between the valve body 2 and the glue valve head 6, The valve body 2 includes the main part 201 for accommodating piston 12 and the mounting portion 203 for accommodating seal assembly 14 and connection The interconnecting piece 202 of the main part 201 and the mounting portion 203 is set in the side wall of the main part 201 in order to facilitate the installation of Multiple mounting planes 16 are equipped with, First piston bar 18 and second piston bar 20, the first piston are equipped on the piston 12 The distal end of bar 18 vertically passes through the first charging aperture 8 and protrudes into the glue valve head 6, and the distal end of the second piston bar 20 is perpendicular To passing through the second charging aperture 10 and protruding into the glue valve head 6, there is accommodating First piston bar 18 in the glue valve head 6 First cavity 22 and the second cavity 24 for accommodating the second piston bar 20, in order to realize be sealed in the first charging aperture 8 with A general plug is equipped between first cavity 22 to seal and be equipped between the second charging aperture 10 and second cavity 24 One general plug envelope, the First piston bar 18 are respectively provided with guide part 1802 and on-off portion 1801 with the second piston bar 20, are Facilitate processing, reduce processing technology and it enable to facilitate aligning when installation, the guide part 1802 of the application with On-off portion 1801 is wholely set, and the on-off portion 1801 of the First piston bar 18, which has, to be sealed for supporting the general plug to block glue Water flows to the sealing cone of the first cavity 22 from first charging aperture 8, and the on-off portion 1801 of the second piston bar 20, which has, to be blocked Glue flows to the sealing cone of the second cavity 24 from second charging aperture 10, and the small end of the sealing cone and the general plug envelope are opposite Setting, the main part 201 of the valve body 2 are embedded with a upper cover 26, and the resorption component 4 includes protruding into the main body from upper cover 26 The resorption adjusting knob 401 of 201 inner cavity of portion and stopper 402 set on 401 distal end of resorption adjusting knob, the resorption are adjusted Knob 401 is connect with the inner thread of the upper cover 26, and the stopper 402 includes being threadedly coupled with resorption adjusting knob 401 Connecting column 403, the step 404 for being used to support 26 lower surface of upper cover set on 403 distal end of connecting column, the stopper 402 are also wrapped Include set on the step 404 lower surface dampening assembly, the dampening assembly include metal mounting blocks 405 and be set to the gold Belong to the rubber pad 406 on mounting blocks 405, the rubber pad 406 is oppositely arranged with the piston 12, the metal mounting blocks 405 Damping spring 407 is equipped between the step 404.

First piston bar 18 twists with second piston bar 20 when installation in order to prevent, in the first piston A lateral pin 28, the side of one end of the lateral pin 28 and the First piston bar 18 are equipped between bar 18 and the second piston bar 20 Wall connection, the other end of the lateral pin 28 are connect with the side wall of the second piston bar 20, and for ease of assembly and disassembly, lateral pin 28 is distinguished With two-piston bar is detachable is fixedly connected.

Installation for valve body 2 for convenience is equipped with one on a wherein mounting plane 16 for 201 side wall of main part The mounting blocks 30 of 16 ontology of mounting plane are projected on, the mounting blocks 30 are equipped with multiple mounting holes for installing valve body 2.

In order to realize the up and down motion of piston 12, the inner cavity of the main part 201 of the valve body 2 is divided by the piston 12 for position Upper seal chamber 32 above 12 upper surface of piston and the lower seal chamber below 12 lower surface of piston, the peace It fills block 30 and is equipped with the first air inlet 52 for being connected to upper seal chamber 32 and second for being connected to the lower seal chamber Air inlet 54.

For the ease of the installation of seal assembly 14, the mounting portion 203 has accommodates the first of First piston bar 18 respectively Installation cavity 34 and the second installation cavity 36 for accommodating the second piston bar 20, first installation cavity 34 and second installation cavity 36 are not connected to, and the seal assembly 14 includes two groups, wherein one is mounted in first installation cavity 34, it is another be mounted on it is described In second installation cavity 36, the seal assembly 14 includes sealing retainer 38, and the both ends of the sealing retainer 38 are respectively equipped with General plug seals, at least provided with two elastic seal rings 48 between the two general plugs envelopes.

In order to facilitate plastic emitting, the glue valve head 6 be equipped with the first plastic emitting channel 40 for being connected to first cavity 22 and with The second plastic emitting channel 42 that second cavity 24 is connected to, first plastic emitting channel 40 does not connect with second plastic emitting channel 42 It is logical, in order to enable AB glue water does not stick together when plastic emitting, in both the first plastic emitting channel 40 and the second plastic emitting channel 42 Exit be equipped with partition 44.

It can be lubricated when movement in order to facilitate two-piston bar, be equipped with multiple notes in the side wall of the mounting portion 203 Oil nozzle 46, wherein this part pump nozzle 46 close to the first installation cavity 34 is connected to first installation cavity 34, close to the second peace 36 this part pump nozzle 46 of behaveing affectedly is connected to second installation cavity 36.

In order to obtain best sealed environment, at least one elastic seal ring 48, institute are equipped in the side wall of the upper cover 26 The main part 201 for stating valve body 2 is used to be respectively equipped with elastic seal ring 48 with the lower wall of first and second plunger rod contacts, wherein The elastic seal ring 48 is preferably O-ring.

In order to realize the connection of valve body 2 Yu glue valve head 6, two drawings are also connected between the valve body 2 and the glue valve head 6 The glue valve head 6 is protruded into tight bar 50, one end of the tie rod 50, and the other end is threadedly coupled with the valve body 2.

Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application Protection scope within.The protection scope of the application is subject to claims.

Claims

1. a kind of bi-component stream on-off valve, which is characterized in that including valve body, resorption component and glue valve head, the valve body with First charging aperture and second charging aperture are equipped between the glue valve head, the valve body includes the main part and use for accommodating piston In the mounting portion of accommodating seal assembly and the interconnecting piece of the connection main part and the mounting portion, the side wall of the main part With multiple mounting planes, First piston bar and second piston bar, the distal end of the First piston bar are equipped on the piston It vertically passes through the first charging aperture and protrudes into the glue valve head, the distal end of the second piston bar vertically passes through described second Feed inlet simultaneously protrudes into the glue valve head, has the first cavity of accommodating First piston bar in the glue valve head and accommodates described the Second cavity of two piston rods is equipped with a general plug envelope, second charging between the first charging aperture and first cavity It is equipped with a general plug between mouth and second cavity to seal, the First piston bar and the second piston bar are respectively provided with guide part With on-off portion, the guide part is wholely set with the on-off portion, and the on-off portion of the First piston bar has for supporting State sealing cone of the general plug envelope to block glue to flow to from first charging aperture the first cavity, the on-off portion tool of the second piston bar There is the sealing cone for blocking glue to flow to the second cavity from second charging aperture, the small end of the sealing cone seals phase with the general plug To setting, the main part of the valve body is embedded with a upper cover, and the resorption component includes that the main part inner cavity is protruded into from upper cover Resorption adjusting knob and stopper set on resorption adjusting knob distal end, the resorption adjusting knob it is interior with the upper cover Wall is threadedly coupled, and the stopper includes the connecting column being threadedly coupled with resorption adjusting knob, is distally used for set on the connecting column The step of upper cover lower surface is supported, the stopper further includes the dampening assembly set on the lower surface of the step, the damping group Part includes metal mounting blocks and the rubber pad on the metal mounting blocks, and the rubber pad is oppositely arranged with the piston, Damping spring is equipped between the metal mounting blocks and the step.

2. bi-component stream on-off valve according to claim 1, which is characterized in that the First piston bar and described second A lateral pin is equipped between piston rod, one end of the lateral pin connect with the side wall of the First piston bar, the lateral pin it is another End is connect with the side wall of the second piston bar.

3. bi-component stream on-off valve according to claim 1, which is characterized in that a wherein peace for the main part side wall Dress plane is equipped with the mounting blocks for being projected on the mounting plane ontology, and the mounting blocks are equipped with for installing the multiple of valve body Mounting hole.

4. bi-component stream on-off valve according to claim 3, which is characterized in that the inner cavity quilt of the main part of the valve body The piston is divided into the upper seal chamber above the piston upper surface and the lower sealing below the piston lower surface Chamber, the mounting blocks are equipped with the first air inlet for being connected to upper seal chamber and for being connected to the lower seal chamber Two air inlets.

5. bi-component stream on-off valve according to claim 1, which is characterized in that the mounting portion has accommodates the respectively First installation cavity of one piston rod and the second installation cavity for accommodating the second piston bar, first installation cavity and described second Installation cavity is not connected to, and the seal assembly includes two groups, wherein one is mounted in first installation cavity, it is another be mounted on it is described In second installation cavity, the seal assembly includes sealing retainer, and the both ends of the sealing retainer are respectively equipped with general plug and seal, and two At least provided with two elastic seal rings between the general plug envelope.

6. bi-component stream on-off valve according to claim 1, which is characterized in that the glue valve head is equipped with and described first First plastic emitting channel of cavity connection and the second plastic emitting channel being connected to second cavity, first plastic emitting channel and institute The second plastic emitting channel is stated not to be connected to and be equipped with partition in the exit of the two.

7. bi-component stream on-off valve according to claim 5, which is characterized in that the side wall of the mounting portion is equipped with multiple Pump nozzle, a portion in the pump nozzle are connected to first installation cavity, another part and second installation cavity Connection.

8. bi-component stream on-off valve according to claim 5, which is characterized in that the side wall of the upper cover is equipped at least one A elastic seal ring, the main part of the valve body are used to be respectively equipped with elasticity with the lower wall of first and second plunger rod contacts close Seal.

9. bi-component stream on-off valve according to claim 8, which is characterized in that the elastic seal ring is O-ring.

10. bi-component stream on-off valve according to claim 1, which is characterized in that the valve body and the glue valve head it Between be also connected with two tie rods, the glue valve head is protruded into one end of the tie rod, and the other end is connect with the valve body screw thread.