CN206361146U - A kind of pressure vessel safety opening device and its pressure vessel - Google Patents

Abstract

The utility model discloses a kind of pressure vessel safety opening device and its pressure vessel, it is arranged on the lid of pressure vessel, the hanging apparatus includes the linkage that draw ring, control valve and the control control valve are opened, the draw ring, linkage and control valve are arranged on the lid, one end of the linkage and the bonnet of the control valve are hinged, and its other end is detachably connected with the draw ring；When one end of the linkage is separated with the draw ring, the linkage drives the bonnet of the control valve to open, and is consistent the chamber inner and outer air pressure of the pressure vessel.The utility model between control valve and draw ring by being provided with linkage, when preparing lifting, need that linkage is separated with draw ring first, then suspension hook could be placed in draw ring and prepares lifting, otherwise operating personnel can not just carry out lifting, therefore, the device damage and sealing problem caused by vacuum chamber lid personnel's maloperation can be effectively evaded by linkage.

Description

A kind of pressure vessel safety opening device and its pressure vessel

Technical field

The utility model is related to pressure vessel technology field, and in particular to a kind of pressure vessel safety opening device and its pressure Force container.

Background technology

High pressure or vacuum pressure case, need to open lid after use, but because needing to shift to an earlier date and atmospheric equilibrium, if Do not operated, then easily cause danger.Such as vacuum coating is in semiconductor, liquid crystal panel, organic light emitting display and film light The industries such as volt are used by substantial amounts of, and with technology innovation and more efficient beneficial pursuit, coated basal plate area is increasing, vacuum chamber Building volume also becomes more and more huger.

Vacuum chamber needs periodically to begin to speak to carry out maintenance and irregularly begins to speak to carry out abnormality processing, is located at for lid The large-scale coating chamber of chamber roof, it is general to carry out lid lifting using driving, need first to carry out vacuum breaker to chamber before lifting Processing, i.e., fill compressed air or nitrogen to chamber by air valve door 7, chamber is switched to atmospheric pressure environment from vacuum environment (atmospheric pressure), then confirms whether chamber reaches atmospheric pressure by opening the confirmation hand valve 8 of cavity bottom or side Power (Fig. 1).

Following defect in the presence of prior art：

(1) operating personnel forget to chamber vacuum breaker and forget that opening confirmation hand valve confirms chamber pressure, then passes through day Car carries out lid lifting, and due to the presence of chamber inside and outside differential pressure, cavity is integrally lifted, and causes cavity sealing to go wrong, very To the damage for causing chamber hardware；

(2) automatic inflating valve damages and is not carried out inflation action while operating personnel, which forget to open, confirms that hand valve confirms Chamber pressure, then carries out lid lifting, due to the presence of chamber inside and outside differential pressure, cavity is integrally lifted, and is caused by overhead traveling crane Cavity sealing goes wrong, or even causes the damage of chamber hardware, and the production line for monofilar mode is because device damage can be made Stopped production into whole line, influence production capacity.

Likewise, for the device of hyperbaric environment, the unlatching in its any one direction, all easily atmospheric pressure is not because inside and outside Balance so that device is easily damaged.

Utility model content

Therefore, the utility model in order to solve because valve damage or operator forget confirm cavity and make cavity whole Body slings the problem of causing to damage, and there is provided a kind of pressure vessel safety opening device and its pressure vessel.

Used technical scheme is as described below：

A kind of pressure vessel safety opening device, it is arranged on the lid of pressure vessel, and the hanging apparatus includes drawing The linkage that ring, control valve and the control control valve are opened, the draw ring, linkage and control valve are arranged at the lid On son, one end of the linkage and the bonnet of the control valve are hinged, and its other end is detachably connected with the draw ring；Institute When the one end for stating linkage is separated with the draw ring, the linkage drives the bonnet of the control valve to open, and makes described The chamber inner and outer air pressure of pressure vessel is consistent.

The linkage includes connecting rod, support and spring, and the lower end of the support is arranged on the lid, the branch The top of frame and the rod hinge connection；One end of the connecting rod is hinged with the control valve, and its other end passes through connector and institute Draw ring is stated to be detachably connected；The spring is arranged on the lid between the support and draw ring；The connecting rod and the draw ring During connection, the spring is in extended state, and the control valve is closed；When the connecting rod with

During the draw ring separation, the spring reset is to nature, and the control valve is opened.

The support is arranged at an end position of the close control valve of the connecting rod, and the spring is arranged at the company One end position of the close draw ring of bar.

The draw ring is located at the middle part of the lid.

The draw ring is set close to the marginal position of the lid.

The cavity of the pressure vessel is vacuum cavity or high-pressure chamber.

The valve cover portion of the control valve may include pressure test device and/or air pressure display device.

On the other hand, the utility model additionally provides a kind of pressure vessel, including above-mentioned pressure vessel safety opens dress Put.

Described lid, is arranged on the top, bottom or side of pressure vessel.

Described lid and the cavity of pressure vessel can be kept completely separate or may partially separate.

The utility model has the advantages that relative to prior art：

A. the utility model between control valve and draw ring by being provided with linkage, when preparing to open, it is necessary to first First linkage is separated with draw ring, then suspension hook could be placed in draw ring and prepare lifting；Due to being adopted in the utility model It is connected with linkage with draw ring, during the two connection, suspension hook can not hook draw ring, can not just carry out lifting.Therefore, connecting rod is passed through Mechanism can effectively evade the device damage and sealing problem caused by vacuum chamber lid personnel's maloperation.

B. the utility model must force the connector for unclamping fixed connecting rod just to enter to open control valve when lid is operated Row is deflated or air inlet, by whether judging whether vacuum chamber or high-pressure chamber reach normal pressure ring in the presence of deflation sound or air inlet sound The hanging apparatus and draw ring are forced to link to confirm whether the cavity of pressure vessel reaches atmospheric environment by border, the utility model, Device damage and sealing problem of the personnel caused by maloperation can effectively be evaded.

C. the utility model is also provided with pressure test device and/or air pressure display device in the valve cover portion of control valve, It is available for operator more intuitively to observe, it is ensured that breakdown action after being carried out again after the air pressure balance of inside and outside, it is to avoid operating personnel The possibility of opening lid is carried out before the inside and outside air pressure of chamber reaches balance.

Brief description of the drawings

In order that content of the present utility model is more likely to be clearly understood, below according to specific implementation of the present utility model Example and with reference to accompanying drawing, the utility model is described in further detail, wherein

Fig. 1 is the lifting schematic diagram of the vacuum pressure container of existing pressure vessel provided by the utility model；

Fig. 2 is the lid hoisting structure schematic diagram provided by the utility model in when closing；

Fig. 3 is the lid hoisting structure schematic diagram provided by the utility model in when opening.

In figure：1- pressure vessels, 11- lids；12- is sealed；2- draw rings；3- control valves；4- linkages, 41- connecting rods, 42- supports, 43- springs；5- connectors；6- overhead traveling cranes；7- air valves door；8- confirms hand valve.

Embodiment

It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer Type embodiment is described in further detail.

As shown in Fig. 2 the utility model provides a kind of pressure vessel safety opening device, it is arranged at pressure vessel 1 Lid 11 on, hanging apparatus therein include draw ring 2, control valve 3 and control control valve 3 open linkage 4, draw ring 2, Linkage 4 and control valve 3 are arranged on lid 11, and one end of linkage 4 and the bonnet of control valve 3 are hinged, its other end It is detachably connected with draw ring 2；When one end of linkage 4 is separated with draw ring 2, linkage 4 drives the bonnet of control valve 3 to open Open, be consistent the chamber inner and outer air pressure of pressure vessel 1.The utility model between control valve 3 and draw ring 11 by setting Linkage 4, when preparing lifting, is separated, then suspension hook could be placed in into draw ring by linkage 4 with draw ring 11 first Prepare lifting in 2；Due to being connected in the utility model using linkage 4 with draw ring 2, during the two connection, suspension hook can not be hooked Draw ring, can not just carry out lifting.Therefore, it can effectively evade vacuum chamber lid personnel's maloperation by linkage 4 to be made Into device damage and sealing problem.

Linkage 4 therein includes connecting rod 41, support 42 and spring 43, and the lower end of support 42 is arranged on lid 11, The top of support 42 is hinged with connecting rod 41；One end of connecting rod 41 is hinged with control valve 3, and its other end passes through connector 5 and draw ring 2 It is detachably connected；Spring 43 is arranged on the lid 11 between support 42 and draw ring 2；When connecting rod 41 is connected with draw ring 2, spring 43 In extended state, control valve 3 is closed, as shown in Figure 2；When connecting rod 41 is separated with draw ring 2, spring 43 is reset to nature shape State, control valve 3 is opened, as shown in Figure 3.

For the ease of carrying out stretching control, support 42 is arranged at an end position of the close control valve 3 of connecting rod 41, spring 43 It is arranged at an end position of the close draw ring 2 of connecting rod 41.

The lid Hoisting Position of general pressure vessel is arranged on middle part, is readily applicable to the pressure that draw ring is located at lid surrounding Force container, it is only necessary to adjust the installation site of linkage.

The top of pressure vessel is not only provided at for the position of lid, the bottom or side of pressure vessel can also be arranged on Face.Meanwhile, the cavity of lid and pressure vessel can be using structure that is fully separating or may partially separate.

The utility model is applicable not only to vacuum pressure container, is also applied for the pressure vessel of high pressure, although atmospheric pressure It is different, it is only necessary to carry out installations of linkage can just reach deflated automatically or air inlet purpose.

In addition, the utility model is also provided with pressure test device and/or air pressure display dress in the valve cover portion of control valve Put, be available for operator more intuitively to observe the air pressure size in chamber, it is ensured that opened after being carried out again after the air pressure balance of inside and outside Action, it is to avoid operating personnel carry out the possibilities of opening lid before chamber inside and outside air pressure reaches balance.

The state of pressure vessel lid when normally using as shown in Fig. 2 when needing to open on lid, then first have to by Connector on connecting rod takes out from draw ring, and connecting rod resets under the action of the spring, so that control valve is pulled open, pressure vessel Air inlet or exhaust in chamber, can now send than larger sound, so that lifting person waits for a period of time, it is known that can't hear into After gas and exhaust sound, then the suspension hook on overhead traveling crane is connected with draw ring.The utility model is by whether in the presence of deflation sound or enter Gas sound judges whether vacuum chamber or high-pressure chamber reach atmospheric pressure environment, and linkage is forced to link to confirm pressure with draw ring Whether the cavity of container reaches atmospheric environment, can effectively evade device damage and sealing of the personnel caused by maloperation and ask Topic.

Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among changing still in protection domain of the present utility model.

Claims (10)

1. a kind of pressure vessel safety opening device, it is arranged on the lid of pressure vessel (1) (11), it is characterised in that institute State the linkage (4) that opening device is opened including draw ring (2), control valve (3) and the control control valve (3), the draw ring (2), linkage (4) and control valve (3) are arranged on the lid (11), one end and the control of the linkage (4) The bonnet of valve (3) processed is hinged, and its other end is detachably connected with the draw ring (2)；One end of the linkage (4) with it is described When draw ring (2) is separated, the linkage (4) drives the bonnet of the control valve (3) to open, and makes the pressure vessel (1) Chamber inner and outer air pressure is consistent.

2. pressure vessel safety opening device according to claim 1, it is characterised in that the linkage (4) includes Connecting rod (41), support (42) and spring (43), the lower end of the support (42) are arranged on the lid (11), the support (42) top is hinged with the connecting rod (41)；One end of the connecting rod (41) is hinged with the control valve (3), and its other end leads to Connector (5) is crossed to be detachably connected with the draw ring (2)；The spring (43) be arranged at the support (42) and draw ring (2) it Between lid (11) on；When the connecting rod (41) is connected with the draw ring (2), the spring (43) is in extended state, described Control valve (3) is closed；When the connecting rod (41) is separated with the draw ring (2), the spring (43) is reset to nature, institute State control valve (3) unlatching.

3. pressure vessel safety opening device according to claim 2, it is characterised in that the support (42) is arranged at institute An end position of the close control valve (3) of connecting rod (41) is stated, the spring (43) is arranged at the close of the connecting rod (41) One end position of the draw ring (2).

4. according to any described pressure vessel safety opening devices of claim 1-3, it is characterised in that draw ring (2) position Middle part in the lid (11).

5. according to any described pressure vessel safety opening devices of claim 1-3, it is characterised in that the draw ring (2) is leaned on The marginal position of the nearly lid (11) is set.

6. pressure vessel safety opening device according to claim 1, it is characterised in that the chamber of the pressure vessel (1) Body is vacuum cavity or high-pressure chamber.

7. pressure vessel safety opening device according to claim 1, it is characterised in that the bonnet portion of the control valve Dividing may include pressure test device and/or air pressure display device.

8. a kind of pressure vessel, it is characterised in that including the pressure vessel safety opening device described in claim 1-7.

9. pressure vessel according to claim 8, it is characterised in that described lid be arranged on pressure vessel top, Bottom or side.

10. pressure vessel according to claim 8, it is characterised in that described lid and the cavity of pressure vessel can be complete It is fully separating or may partially separate.