CN204253993U

CN204253993U - Vacuum control valve

Info

Publication number: CN204253993U
Application number: CN201420660873.0U
Authority: CN
Inventors: 游平政
Original assignee: Taiwan Qi Li Ltd Co
Current assignee: Taiwan Qi Li Ltd Co
Priority date: 2014-11-06
Filing date: 2014-11-06
Publication date: 2015-04-08
Anticipated expiration: 2024-11-06

Abstract

The utility model provides a kind of vacuum control valve, is to comprise by body connected electromagnetic valve, multiple passages that this body interior is provided with the first putting chamber and the second putting chamber and is made up of passage A, channel B, channel C, and the end interface in the first putting chamber is provided with a vacuum generator, passage A can be coordinated to interlink with the second putting chamber being provided with slide-bar, and a vacuum regulating lever is located at below this second putting chamber, by channel B and the first putting chamber, and channel C and the second putting chamber interlink, and be separately provided with a vacuum inlet feeds below this body, can communicate with channel B, when gas produces pull of vacuum by vacuum generator in this body, utilize the multiple passages mutually led to, the effect producing vacuum resorption makes this slide-bar can obtain helpful pull of vacuum, this slide-bar is moved quickly into range, and reduce traveling time, allow pressure that gas supplies, can reduce the wastage by this vacuum generator, to produce maximum vacuum.

Description

Vacuum control valve

Technical field

The utility model is about a kind of vacuum control valve, after mainly utilizing solenoid valve to combine with vacuum generator, and then utilize this inner multiple passage to produce resorption path, guided the pull of vacuum of vacuum generator inside in slide-bar, make slide-bar can reach maximum displacement smoothly, and transmit whole supply pressure to vacuum generator, this resorption can lower the consumption of supply pressure, gas resource can be obtained and improve utilization, and lower the wasting of resources.

Background technique

General in commercially available existing product, as shown in Figure 8, solenoid valve 9 coordinates vacuum generator 91 (utilizing malleation source of the gas to produce negative pressure) to use usually, when source of the gas is after suction port 93 inputs, pressure is transmitted to guide hole 94 by institute's tool in body 95, supply pressure to vacuum generator 91 by the movable iron switch in this solenoid valve 9, and produce vacuum in vacuum inlet feeds 92, this is technology common in commercially available prod; Its vacuum inlet feeds 92 is again by the absorption that coordinates sucker to carry out various material and carrying purposes, and common feature is that required rate of air sucked in required is little, and vacuum level requirements is not high and be intermittent work.

When flow needed for vacuum generator 91 increases, because being limited to the effective cross sectional area of solenoid valve 9, just must changing the larger solenoid valve of effective cross sectional area 9, just can reach the object of traffic demand, but its shortcoming is that solenoid valve 9 volume can change more large-scale and more large-scale, also increases the cost of product simultaneously.

Model utility content

Group for existing solenoid valve and vacuum generator is established, solenoid valve effective cross sectional area need be coordinated to increase by aforementioned known flow, the object that the flow that could meet vacuum generator improves, therefore demander is had, then can be connected by the solenoid valve that body fits effective cross sectional area is larger, reach its object;

The advantage of vacuum generator of the present utility model is: can allow the solenoid valve of same size, controls larger vacuum generator, no longer limited to some extent because of traffic demand and solenoid valve effective cross sectional area size.It is mainly the designing technique of slide-bar, when after refrigerator valve excitation, can supply pressure to slide-bar, and produce thrust by slide-bar in the area of a circle of solenoid valve end, makes slide-bar overcome the default elastic force of spring, and produces shift action;

After this slide-bar is opened, the supply pressure of this vacuum generator inside increases gradually by 0, and the degree of vacuum produced (negative pressure) also increases gradually, then pull of vacuum is produced in the area of a circle of slide-bar pull of vacuum end by resorption, this slide-bar of Instant Help moves on, until the range of slide-bar, also produce maximum vacuum simultaneously.

The utility model is in the needed time of solenoid valve diverter switch, pull of vacuum can be coordinated by slide-bar design, and compare down in existing structure, needed time also reduces many, more because of pull of vacuum auxiliary under, the supply pressure almost free of losses that vacuum generator is obtained, is equal to the supply pressure of solenoid valve, can reaches aforementioned advantages.

Accompanying drawing explanation

Fig. 1 is stereogram of the present utility model.

Fig. 2 is three-dimensional system diagram of the present utility model.

Fig. 3 is generalized section of the present utility model.

Fig. 4 is gas operation of the present utility model and vacuum resorption path schematic diagram.

Fig. 5 is the part section position view of passage of the present utility model.

Fig. 6 is the partial schematic diagram that slide-bar of the present utility model is subject to vacuum resorption downward.

Fig. 7 is the partial schematic diagram that slide-bar of the present utility model replys location.

Fig. 8 is the schematic diagram of prior art.

Symbol description:

1 body 151 stopper part

11 first putting chamber 16 slide-bars

111 interface 161 elastic components

112 relief opening 162 solenoid valve ends

12 second putting chamber 163 pull of vacuum ends

121 suction port 2 solenoid valves

13 passage 3 vacuum generators

131 passage A 4 gases

132 channel B 5 pulls of vacuum

133 channel C A1 gas working paths

14 vacuum inlet feeds A2 vacuum resorption paths

15 vacuum regulating levers

9 solenoid valve 93 suction ports

91 vacuum generators 94 are to guide hole

92 vacuum inlet feeds 95 bodies

Embodiment

Usually according to the utility model, the possible embodiments of this best, and after coordinating accompanying drawing to describe in detail, to increase understanding of the present utility model;

The utility model is a kind of vacuum control valve, a solenoid valve 2 is connected with in fixing shape above body 1, this body 1 inside is provided with the first putting chamber 11 and the second putting chamber 12 and the multiple passages 13 in order to be connected the purposes that communicates, and the plurality of passage 13 is made up of passage A131, channel B 132, channel C 133, and in the first putting chamber 11, be provided with a vacuum generator 3, its position is positioned at the interface 111 of this first putting chamber 11 one end, and the other end of this first putting chamber 11 is then provided with a relief opening 112;

Coordinate shown in Fig. 1 ~ Fig. 3, this second putting chamber 12 is positioned at the right of the first putting chamber 11, it is the interface 111 by this first putting chamber 11 both this, passage A131 is coordinated to be connected in the lateral margin of the second putting chamber 12, and the lateral margin of this second putting chamber 12 is also connected with a suction port 121, in addition, below this body 1, be provided with a vacuum inlet feeds 14, and this vacuum inlet feeds 14 is interlinked by the channel B 132 set by body 1 inside, one its front end of vacuum regulating lever 15 is equipped with a stopper part 151, be located at the below that this body 1 inside is positioned at this second putting chamber 12 in the lump, this vacuum regulating lever 15 is by regulating stopper part 151, and then control by the intensity of the pull of vacuum 5 of vacuum regulating lever 15 or open and close this pull of vacuum 5, and be also provided with a channel C 133 below this second putting chamber 12 and be connected in this vacuum regulating lever 15 in order to communicate, the position set by this vacuum regulating lever 15 and aforesaid channel B 132 also interlinks, by in said structure, the utility model first putting chamber 11 can be learnt, second putting chamber 12, vacuum inlet feeds 14, and between vacuum regulating lever 15, mutually led to by multiple passage 13.

And aforementioned second putting chamber 12, also include a slide-bar 16, (be for spring in the utility model embodiment by an elastic component 161, the associated components of tool reset function can be replaced with, not as limit) coordinate that to be arranged in this second putting chamber 12 inner, and be provided with a solenoid valve end 162 above this slide-bar 16, below is provided with a pull of vacuum end 163.

Refer to shown in Fig. 4 ~ Fig. 5, after gas 4 inputs via suction port 121, input according to the continuous fluid of Bernoulli's law in same pipeline, sectional view time in cooperation figure for being unkitted each assembly in body 1 inside, more can have a clear understanding of the trend of this gas working path A1, and this first putting chamber 11 down channel B132, and allow vacuum inlet feeds 14 produce pull of vacuum 5, use in procedure for producing with this adsorbent article, this is the common designing technique in related domain.

But, feature of the present utility model is that this channel B 132 designs, illustrate in aforementioned structure and also mention, this channel B 132 interlinks position set by this vacuum regulating lever 15, and channel C 133 leads to the second putting chamber 12, and set slide-bar 16 in this second putting chamber 12, because the pull of vacuum 5 of this channel C 133 can by this slide-bar 16 when gas 4 input is passed through, the rate of descent of this slide-bar 16 can be assisted, enable the flow of output gas 4 reach expectation output value sooner, and the energy use amount of solenoid valve 2 can be reduced;

Be illustrated in figure 6 master, and be aided with Fig. 3 ~ Fig. 5 and consult, this is the continuous action of slide-bar 16 by vacuum resorption of the second putting chamber 12;

By (A) is visible as just, input gas 4, this slide-bar 16 is subject to solenoid valve 2 and drives and start action; (B) for this slide-bar 16 has started to move down, now gas 4 passes through to relief opening 112 with gas working path A, and the vacuum resorption path A 2 produced by channel B 132 and channel C 133 in the first putting chamber 11, attract this slide-bar 16 downwards to produce shift action; (C) for this slide-bar 16 is moved downward to this second putting chamber 12 bottom, input gas 4 now can pass through completely, and elastic component 161 now is also compressed into maximum.

Be illustrated in figure 7 master, and be aided with Fig. 3 ~ Fig. 5 and consult, this is the reset continuous action of slide-bar 16 after vacuum resorption stops of the second putting chamber 12;

By (D) as seen after stopping gas 4 inputs, this pull of vacuum 5 also can fade away, and this elastic component 161 can start to drive this slide-bar 16 to reset, via (E), (F) to original state.

But, the area of a circle of the solenoid valve end 162 of the utility model above this slide-bar 16, the area of a circle of the pull of vacuum end 163 below this slide-bar 16 need be greater than, if when the area of a circle of both area equation or solenoid valve end 162 is less than the area of a circle of pull of vacuum end 163, when will produce slide-bar 16 homing action, pull of vacuum 5 is greater than the involution strength of elastic component 161, and produce failure situations (as slide-bar cannot reset, solenoid valve cannot cut out).

The above is only preferred implementation of the present utility model, it is to be noted, these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model, and, after having read content of the present utility model, relevant technical staff in the field can make various change or amendment to the utility model, and these equivalent form of values fall into the application's appended claims limited range equally.

Claims

1. a vacuum control valve, comprising:

One body, top connects a solenoid valve in fixing shape, this body interior is provided with the first putting chamber with the second putting chamber and in order to be connected the multiple passages communicated, and in the first putting chamber, be provided with the interface that a vacuum generator is positioned at this first putting chamber one end, this the first putting chamber the other end is then provided with a relief opening, and the second putting chamber lateral margin coordinates this passage A, the interface corresponding to first putting chamber one end interlinks, and the second putting chamber lateral margin separately connects a suction port, below this body, another this channel B that coordinates is provided with a vacuum inlet feeds; One vacuum regulating lever, coordinates this channel C and this first putting chamber and vacuum inlet feeds to interlink; One slide-bar, coordinate elastic component to be arranged in this second putting chamber, and this slide-bar lower edge coordinates this passage and a vacuum regulating lever to interlink; When gas is entered by suction port, slide-bar moves down, and gas sequentially by after the second putting chamber and the first putting chamber, is exported by relief opening;

It is characterized in that, when gas is by body, this first putting chamber produces vacuum resorption through channel B, second putting chamber is interlinked by channel C and channel B, makes this slide-bar simultaneously by vacuum resorption, produce and move down until bottom, this slide-bar traveling time can be reduced with this, and allow pressure that gas supplies, can reduce the wastage by this vacuum generator, to produce maximum vacuum.

2. vacuum control valve according to claim 1, is characterized in that, this vacuum regulating lever, also includes: a stopper part, by regulating this stopper part, and control vacuum resorption produce the intensity of pull of vacuum or and then open and close this pull of vacuum.

3. vacuum control valve according to claim 1, is characterized in that, this slide-bar, also includes: a solenoid valve end, is located at above this slide-bar; And one pull of vacuum end be located at below this slide-bar; The area of this solenoid valve end is greater than the area of pull of vacuum end, protects this slide-bar to avoid the suction of vacuum resorption excessive, and this slide-bar cannot be allowed to automatically reset with this.