CN202516724U

CN202516724U - Opening/closing device for liquid storage jar

Info

Publication number: CN202516724U
Application number: CN2012201092011U
Authority: CN
Inventors: 梁海军
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-22
Filing date: 2012-03-22
Publication date: 2012-11-07
Anticipated expiration: 2022-03-22

Abstract

The utility model relates to an opening/closing device for a liquid storage jar. A mounting base which is connected with the liquid storage jar is arranged on a main body of the opening/closing device for the liquid storage jar; a liquid outlet channel is arranged in the mounting base; the liquid outlet channel extends toward the outside of the main body; a jacking mechanism is arranged in the mounting base; the jacking mechanism is moveably connected with a wrench which is hinged with the main body; the opening/closing device is characterized in that the jacking mechanism is connected with a check valve which is arranged in the liquid outlet channel; the check valve is connected with a nozzle on the liquid storage jar; and under the effect of the jacking mechanism, the liquid outlet channel can be connected or disconnected when the check valve acts. When the opening/closing device is used for opening/closing the nozzle on the liquid storage jar, the use is convenient and a liquid channel in the opening/closing device need not be frequently cleaned.

Description

The receiver headstock gear

Technical field

The utility model relates to a kind of headstock gear that is used for receiver is carried out opening and closing, comprises being used for and the joining mount pad of receiver, is provided with the liquid outlet channel that is used to supply the liquid communication in the receiver in the mount pad.

Background technology

On architectural decoration, often need use blowing agent, blowing agent is to be used for the slit between the sheet material is applied, can the slit place of shutoff between sheet material after staying blowing agent between the sheet material and solidifying.Blowing agent is stored in the receiver, when blowing agent is sprayed, generally realizes by means of foam gun.The structure of foam gun mainly comprises rifle body and gun barrel, is provided with shank in the gun barrel, and the rifle body is provided with mount pad and trigger, and mount pad is used for linking with receiver, and spanner and shank link.When pulling spanner; Shank can be followed spanner and moved together; Shank under the drive of spanner after the motion of the rear direction of rifle body; Can form the gap between the set rifle mouth of the front end of shank and gun barrel leading section, blowing agent from then on gap location is sprayed onto the outside of gun barrel, and the size in this gap is relevant with the flow of blowing agent.This foam gun is when closing, and a large amount of blowing agents can be trapped in gun barrel and the mount pad, needs in time the blowing agent of these delays is cleaned, otherwise after the blowing agent that is detained solidifies, can block foam gun.This foam gun that is used for that receiver is opened and closed uses very inconvenience.

Chinese invention patent (Granted publication number: disclose a kind of instrument that is used to open receiver CN101596510B); This instrument is provided with and is used for the mount pad that is connected with receiver; Also be provided with the top that is used for leaning with the receiver top nozzle on this instrument and lift mechanism, the top is lifted mechanism and is comprised spanner, and the hinged end place of spanner is provided with gear; Gear is meshed with tooth bar slidably, and the motion of tooth bar is used to back down the nozzle of receiver.This opener is with respect to existing foam gun, and the flushing dose in the use is less relatively, but still need clean in use for some time.The top is lifted mechanism and is realized work through the form that wheel and rack is meshed, and response speed is relatively slow, and when desiring to close receiver, the liquid in the receiver still can outwards flow out within a certain period of time.This can cause waste, also need clean simultaneously.

The utility model content

The purpose of the utility model is: a kind of receiver headstock gear easy to use is provided.

For reaching the technical measures that said purpose is taked: the receiver headstock gear; Body is provided with and is used for and the joining mount pad of receiver, has liquid outlet channel in the mount pad, and liquid outlet channel extends towards the body outside; Be provided with the top in the mount pad and lift mechanism; Spanner on the top is lifted mechanism and is hinged on body is movable to be connected, and the top is lifted mechanism and is arranged on the interior check valve of liquid outlet channel and links, check valve be used for receiver on nozzle link; Lift on the top under the effect of mechanism, but conducting or block liquid outlet channel during the check valve action.Check valve plays the unidirectional effect that ends to the liquid in the receiver, and the unidirectional of check valve is to be associated with the action of top act mechanism by effect.In the time of will opening receiver, lift mechanism through the wrench operated top, the liquid in the receiver can flow out the body outside through liquid outlet channel; When unclamping spanner, mechanism's counteragent is lifted on the top, and check valve is by liquid outlet channel, and when receiver obtained closing, liquid also stopped to flow.

Said check valve is a column, is provided with through hole in the check valve, the import department of through hole be used for receiver on nozzle lean, the export department of through hole is towards the internal face of liquid outlet channel; Said liquid outlet channel wall place within it has bending.The export department of through hole and the liquid outlet channel oral area on its wall has when overlapping; Check valve conducting liquid outlet channel; When both are not overlapping fully; Check valve is by liquid outlet channel, and both overlapping degree have determined the size of fluid flow in the circulation road, and the opening degree of their overlapping degree and receiver top nozzle adapts.

Have non-round fit structure between said check valve and the liquid outlet channel, this non-round fit structure is positioned at the outer distolateral of check valve.This non-round fit structure generally is the regular polygon fit structure; The outer end of check valve is the regular polygon shape; The import department of liquid outlet channel is the regular polygon cavity; They are combined together in the unoccupied place between the two, and the good stability that check valve is circumferential has guaranteed that through hole export department and liquid outlet channel can overlappingly put in place.

Said top is lifted mechanism and is comprised push rod and lever construction, and push rod and check valve link, and push rod is provided with the hook joint mouth, and hook joint mouth and lever construction link; Between push rod and body, be provided with spring.Spring is used to make push rod, check valve and lever construction to reset.

The bottom of check valve is provided with cavity volume, is fixed with closure plate at the oral area of cavity volume, and closure plate is provided with opening, and said push rod is provided with plush copper, and plush copper is plugged in the cavity volume with passing opened gap on the closure plate, and can be connected to the inboard of closure plate.After plush copper is inserted in the cavity volume, certain activity surplus can be arranged, can adapt to the transmission requirement of push rod well check valve.

Said lever construction comprises connecting rod and curved seesaw, and the two ends of connecting rod are hinged with spanner and seesaw respectively, and seesaw is connected in the hook joint mouth; Outstanding position, seesaw middle part is bearing on the boss set on the body.Pull spanner, the moment on the spanner is transferred on the push rod through connecting rod, seesaw, and then drives the check valve motion, and is simple in structure, and the response speed that act mechanism in top pulls spanner is fast, can adapt to the keying to receiver well.

On said boss, embed rest pad, the outstanding part in seesaw middle part contacts with rest pad.The material of rest pad can select for use the material of wearability to process, and to increase the wearability of boss, other parts of body can be made with the relatively low material of price.

On body, be provided with the connection seat of the annular that is connected as a single entity with it, described spring is positioned at connection seat, the outer end of the push rod pressure cap that has been threaded, and the inner end of spring acts on the body, and the outer end roof pressure is in the inboard of pressure cap.Spring is arranged in the connection seat, can improve the compactedness of this headstock gear structure, also is the axially-movable reserved location of push rod simultaneously.

The both ends of said connecting rod are provided with prong respectively, two prongs respectively with seesaw and spanner on corresponding construction plug.On spanner and seesaw, be respectively arranged with the body of rod perpendicular with connecting rod, the prong at connecting rod two ends plugs with these two bodies of rod respectively, and is simple in structure, is convenient to push up the assembling of lifting mechanism.

The utlity model has following beneficial effect: check valve adapts with the action that ends with top act mechanism to the conducting of liquid outlet channel; When receiver was closed, check valve was also ended liquid outlet channel simultaneously, and the expanding foam solution of surplus can not continue to flow in the liquid outlet channel; Perhaps discharge seldom; Between check valve and receiver nozzle residual liquid still can have certain pressure, this part liquid be difficult for to solidify in the regular hour, did not therefore need in time they to be cleaned; This headstock gear can reach the cleaning of exempting from truly; Improve the ease of use of this headstock gear, reduced the waste of receiver content, the use cost of having practiced thrift this headstock gear.

Description of drawings

Fig. 1 is vertical partial sectional view of this headstock gear.

Fig. 2 is the A portion enlarged drawing among Fig. 1.

Fig. 3 is a body broken section enlarged drawing in this headstock gear.

Fig. 4 is the structure enlarged drawing of a kind of embodiment of check valve in this headstock gear.

Fig. 5 is vertical cutaway view Amplified image of the another kind of embodiment of check valve in this headstock gear.

Fig. 6 be in this headstock gear the another kind of embodiment of check valve look up enlarged drawing.

Fig. 7 is the structure enlarged drawing of push rod in this headstock gear.

Fig. 8 is the structure enlarged drawing of connecting rod in this headstock gear.

The specific embodiment

This receiver headstock gear has with handles 10 body 1; Body 1 is provided with mount pad 2; This mount pad 2 is used for linking with receiver, is provided with in the mount pad 2 to supply the liquid outlet channel 5 that flow of liquid is crossed in the receiver, and liquid outlet channel 5 is the curved outside that extends to body 1.The import of liquid outlet channel 5 is positioned on the mount pad 2, and outlet is connected with gun barrel 6 towards the outside of body 1 in the exit of liquid outlet channel 5.Said body 1 is a split-type structural, it by two and half sheets lump together, and logical set bolt be fixedly connected and form, said mount pad 2 is one-body molded on one and half sheets, and is positioned at the inboard of this half sheet, another half sheet snaps together.

Be hinged with spanner 9 on the body 1; The upper end of spanner 9 is lifted mechanism with the top and is linked, and the top is lifted mechanism and transmitted the moment on the spanner 9, is used to back down the nozzle that is connected in receiver on the mount pad 2; Make the interior liquid of receiver in nozzle enters into liquid outlet channel 5, and finally in gun barrel 6, spray.

In said liquid outlet channel 5, be provided with check valve 4; Check valve 4 is a column, check valve 4 outer end openings, inner sealing; In check valve 4, be provided with through hole 3; The import department of check valve 4 inner via holes 3 is positioned on the outer face of check valve 4, and export department is arranged on the wall body of check valve 4, and towards the internal face of liquid outlet channel 5.Check valve 4 be used for receiver on nozzle directly contact, after receiver was assemblied on the mount pad 2, the nozzle on the receiver was plugged in the through hole 3.

Through hole 3 in the check valve 4 can communicate with the liquid outlet channel 5 in the mount pad 2; This liquid outlet channel 5 is crooked; This liquid outlet channel 5 wall place within it changes trend; Thereby on liquid outlet channel 5 internal faces, form a hole, this hole is used for communicating with the export department of said through hole 3, and this hole is corresponding with the upper and lower position of through hole 3 export departments.Check valve 4 is in the following time of state by liquid outlet channel 5, and through hole 3 exit portion are positioned at the inboard in this hole, do not have overlapping between the two; Check valve 4 is in the following time of state of conducting liquid outlet channel 5, and the exit portion of through hole 3 has overlapping with this hole.Stability for the relative position that guarantees this hole and through hole 3 export departments is provided with the regular polygon fit structure between check valve 4 and the liquid outlet channel 5, and this regular polygon fit structure is positioned at the outer distolateral of check valve 4.Promptly be that the outer distolateral of check valve 4 is the regular prism body, the import department of liquid outlet channel 5 is provided with the regular polygon hole, and the regular prism body cooperates with the regular polygon interporal lacuna.Remove outer one end side portion, check valve 4 remainders are cylinder, and the appropriate section of liquid outlet channel 5 also is cylindrical.

When check valve 4 was in axial sliding under the effect of mechanism is lifted on the top, the through holes 3 in the check valve 4 can communicate with liquid outlet channel 5 or close, thereby liquid outlet channel 5 is carried out conducting or ends.Because check valve 4 needs to slide; For guaranteeing the liquid sealing between check valve 4 and the liquid outlet channel 5; On the outer peripheral face of cylindrical part on the check valve 4, embed O-ring seal 17 (see figure 4)s, the size of sealing circle 17 on check valve 4 glide directions is greater than the size that 4 weeks of check valve make progress.Sealing circle 17 also is socketed in respectively in two cannelures that check valve 4 peripheries process by two O shape rubber rings 18 replace (see figure 5), these two O shape rubber rings 18, and the export department of check valve 4 inner via holes 3 is between these two cannelures.Angle based on ease of processing considers that the hermetically-sealed construction between check valve 4 and the mount pad 2 is preferably two O shape rubber rings 17.

The top is lifted mechanism and is comprised lever construction and push rod 11, and push rod 11 is along the axial setting of check valve 4, and links with the inner end of check valve 4, and lever construction and push rod 11 link, and lever construction is used to drive push rod 11 and does axially-movable.

Can be to adopt movable connecting mode to realize connecting between the inner end of push rod 11 and check valve 4; It specifically is the plush copper 22 that is provided with bar shaped at the inner end of push rod 11; Inner end at check valve 4 is processed with cavity volume 21, and the oral area of cavity volume 21 is fixed with closure plate 19, and the medium position place of closure plate 19 is provided with the opening 20 of " one " font; Opening 20 supplies the plush copper 22 of push rod 11 to pass with gap, and plush copper 22 has certain activity surplus in cavity volume 21.After plush copper 22 is passed opening 20, make push rod 11 rotate 90 degree, plush copper 22 can be connected to the inboard of closure plate 19.During push rod 11 jack-up check valves 4, plush copper 22 withstands on the bottom surface of check valve 4; During push rod 11 pulling check valves 4, plush copper 22 is pressed in closure plate 19 inboards.Also can adopt the mode that is fixedly connected between push rod 11 and the check valve 4, can realize through the mode that is threaded being fixedly connected between push rod 11 and the check valve 4.

The outer end of push rod 11 generally can reach the outside of body 1, on push rod 11, is socketed with spring 14, and the two ends of spring 14 act on respectively on body 1 and the push rod 11, is used to spur push rod 11 side direction motion towards the outer end.On body 1, be provided with the annular connection seat 16 that is connected as a single entity with body 1 in the position of push rod 11; Push rod 11 is plugged in the connection seat 16 with gap; Pressure cap 15 has been threaded in the outer end of push rod 11; The inner end roof pressure of spring 14 is on body 1 or connection seat 16, and the outer end roof pressure is on pressure cap 15.Push rod 11, spring 14 and pressure cap 15 all are positioned at connection seat 16, and push rod 11 outer ends range of movement at work generally can not exceed the outside of connection seat 16.

Described lever construction comprises connecting rod 8 and curved seesaw 7; The two ends of connecting rod 8 are respectively arranged with opening-like prong 24; On the outer end of the inner end of spanner 9 and seesaw 7, be respectively arranged with the body of rod, the body of rod is vertical with connecting rod 8, two prongs 24 movably fork-join on the body of rod.Be provided with boss 13 in the corresponding position of body 1, the outstanding part in seesaw 7 middle parts is bearing on the boss 13, and when seesaw 7 moved under the drive of connecting rod 8, the outstanding part in seesaw 7 middle parts was back and forth rolled on boss 13.Be to guarantee the wearability of boss 13, on boss 13 surfaces, embed rest pad 12, rest pad 12 generally is to be processed by the material that iron etc. has a better wearability, and the outstanding part in seesaw 7 middle parts is bearing on the rest pad 12.

On push rod 11, be provided with hook joint mouth 23, these hook joint mouth 23 hook joints are in the outer end of seesaw 7, connect with activity between the seesaw 7 to realize push rod 11.When between check valve 4 and the push rod 11 being the connecting mode of activity, the relative position on the check valve 4 between the opening 20 of closure plate 19, the plush copper 22 on the push rod 11 and hook joint mouth 23 threes should have certain requirement.Seesaw 7 ends and hook joint mouth 23 be linked together the time, seesaw 7 can be that push rod 11 is realized circumferentially location, should be in " ten " word crossing condition between plush copper 22 on this moment push rod 11 and the opening 20 on the closure plate 19.

When between push rod 11 and the check valve 4 being the connecting mode of activity, in the time of dismantling check valve 4, can pull to amplitude peak spanner 9; Push rod 11 ejects the outside of mount pad 2 to check valve 4 to greatest extent, and the non-circular portion on the check valve 4 can be separated from mount pad 2, makes check valve 4 rotate 90 degree with hand; Opening 20 on the closure plate 19 and plush copper 22 upper-lower overlappings on the push rod 11 to check valve 4 axially outwards firmly, promptly can disassemble check valve 4 like a cork; So that the inside to mount pad 2 is cleaned; Need not dismantle check valve 4 with instrument, the convenient disassembly of check valve 4, and then made things convenient for cleaning to this headstock gear.When carrying out the assembling of check valve 4, pull spanner 9 to greatest extent, make plush copper 22 parts on the push rod 11 be in most significant end; Overlapping opening on the closure plate 19 20 and plush copper 22, be pressed into check valve 4, the opening 20 that plush copper 22 is passed closure plate 19 is inserted in the cavity volume 21; Make check valve 4 rotate 90 degree; Unclamp spanner 9, in the pulling of push rod 11 and artificial by depressing, check valve 4 is assembled and puts in place.

Claims

1. receiver headstock gear, body is provided with and is used for and the joining mount pad of receiver, has liquid outlet channel in the mount pad; Liquid outlet channel extends towards the body outside, is provided with the top in the mount pad and lifts mechanism, the movable connection of spanner on the top is lifted mechanism and is hinged on body; It is characterized in that: the top is lifted mechanism and is linked with the check valve that is arranged in the liquid outlet channel; Check valve be used for receiver on nozzle link, lift on the top under the effect of mechanism, but conducting or block liquid outlet channel during the check valve action.

2. by the described headstock gear of claim 1, it is characterized in that: said check valve is a column, is provided with through hole in the check valve, the import department of through hole be used for receiver on nozzle lean, the export department of through hole is towards the internal face of liquid outlet channel; Said liquid outlet channel wall place within it has bending.

3. by the described headstock gear of claim 2, it is characterized in that: have non-round fit structure between said check valve and the liquid outlet channel, this non-round fit structure is positioned at the outer distolateral of check valve.

4. by claim 1,2 or 3 described headstock gears, it is characterized in that: said top is lifted mechanism and is comprised push rod and lever construction, and push rod and check valve link, and push rod is provided with the hook joint mouth, and hook joint mouth and lever construction link; Between push rod and body, be provided with spring.

5. by the described headstock gear of claim 4; It is characterized in that: the bottom of check valve is provided with cavity volume; Oral area at cavity volume is fixed with closure plate, and closure plate is provided with opening, and said push rod is provided with plush copper; Plush copper is plugged in the cavity volume with passing opened gap on the closure plate, and can be connected to the inboard of closure plate.

6. by the described headstock gear of claim 4, it is characterized in that: said lever construction comprises connecting rod and curved seesaw, and the two ends of connecting rod are hinged with spanner and seesaw respectively, and seesaw is connected in the hook joint mouth; Outstanding position, seesaw middle part is bearing on the boss set on the body.

7. by the described headstock gear of claim 6, it is characterized in that: on said boss, embed rest pad, the outstanding part in seesaw middle part contacts with rest pad.

8. by the described headstock gear of claim 5; It is characterized in that: on body, be provided with the connection seat of the annular that is connected as a single entity with it, described spring is positioned at connection seat, the outer end of the push rod pressure cap that has been threaded; The inner end of spring acts on the body, and the outer end roof pressure is in the inboard of pressure cap.

9. by the described headstock gear of claim 6, it is characterized in that: the both ends of said connecting rod are provided with prong respectively, two prongs respectively with seesaw and spanner on corresponding construction plug.