Detailed description of the invention
For the object that promotes the understanding to the principle of the invention, referring now to each embodiment illustrated in the accompanying drawings and that describe in following written explanation.Should understand and therefore not be intended to restriction scope of invention.Should be further understood that the present invention includes to shown in any change and the amendment of each embodiment, and comprise as for those skilled in the art in the invention by other application of the principle of the invention normally occurring.
With reference to Fig. 1, pot type injector assembly 10 according to the present invention comprises tank member 14 and injector packaging sub-component 18.Injector packaging sub-component comprises packing container 72 and jet member 30 (for example seeing Fig. 2 and 3) for using together with tank member 14.As explained below; the packing container 72 of injector packaging sub-component 18 is configured to keep, support and each part and the mechanism of protection jet member 30 with assembled state so that injector packaging sub-component 18 as the unit separating from tank member 14 carry, shipping and storage.Packing container 72 also keeps injector packaging sub-component 18 so that injector packaging sub-component 18 can easily be assembled into the mode of tank member 14.For example, injector packaging sub-component 18 is formed at and the situation that does not need jet member 30 to remove from packing container 72, is assembled into tank member 14 (for example seeing Fig. 2).
The tank member 14 of pot type injector assembly 10 comprises the main body 26 that limits chamber 16 (for example seeing Fig. 8), and described chamber 16 is configured to the fluid of certain volume to remain on wherein.In this illustrative embodiments, main body 26 is columnar generally and is formed by moulding of plastics materials.Chamber 16 sizes that limited by main body 26 are determined to be the fluid of about a gallon are remained in tank member 14.In other embodiment, according to various factors, such as the light level of application, the expectation of plan, fluid type that wish keeps, etc., main body 26 and chamber 16 can be provided with other size, shape and structure.And main body 26 can be made up of the material that is different from molded plastics, such as metal material.
Main body 26 comprises the flat substrate 27 generally with protuberance 29, and described protuberance 29 stretches out from substrate 27.This structure makes the tank member 14 can standing on the whole on smooth surface, such as ground.Neck 20 extends from the top of main body 26.Neck 20 is being columnar in shape generally and is going out the shoulder 24 sagging from neck 20 than the narrow and small main part limitation that makes of main body 26.As best finding in Fig. 8, neck 20 limits access portal 22, and fluid is entered and left chamber 16 by it.For making jet member 20 can be fixed to tank member 14, neck 20 comprises to be with externally threaded surperficially 28, and it is configured to tapped surperficial 40 interlocks with the lid 32 of jet member 30.
Referring now to Fig. 3-7, injector packaging sub-component 18 comprise cover 32, hand syringe 50 and pump 60.Lid 32 is configured to the neck 20 of tank member 14 complementary to make jet member 20 be releasably attached to tank member 14.Especially, lid 32 limits and cover space 34 and comprise skirt section 38, this skirt section 38 limit face cover space 34 this tapped surperficial 40.Threaded surperficial 40 of lid is configured to threaded surperficial 28 interlocks of the neck 20 of tank member to jet member 30 (and packing container 72) is fixed to tank member 14.Lid 32, and other part of jet member 30 and part form such as plastics by firm, lightweight material, although the combination of any suitable material or material can be used.
As shown in Figure 5, lid 32 limits fluid passage 42, is advanced to hand syringe 50 from the fluid of chamber 16 by this fluid passage.Tedge or siphon pipe 44 are attached to the downside that covers 32, wherein, near 45 fluid passage, an end 42, are fluidly engaged to described lid.The body of tedge 44 extends through and covers space 34 from fluid passage 42.By structure like this, in the time that jet member 30 is just being assembled to tank member 14, pipe 44 can be inserted in the access portal 22 of neck 20 and insert in the chamber 16 of tank member 14.Pipe 44 length that have make, and in the time that lid 32 is fitted together with tank member 14, the second end 47 of pipe 44 is positioned at substrate 27 1 short distance apart from tank member 14, described in Fig. 8.Jet member 30 also comprises delivery tube 48, and it is configured to send or guide fluid from fluid passage 42 to hand syringe 50.Delivery tube 48 has an end 49 and the second end 51, and a described end 49 is fluidly engaged to the fluid passage 42 of covering 32, and described the second end 51 is fluidly engaged to the fluid passage 57 being defined in hand syringe 50.
Hand syringe 50 is configured to optionally make can be dispersed to from the fluid of chamber 16 position of 16 outsides, chamber.In one embodiment, the thin bar part 54 that hand syringe 50 comprises grip portions 52 and extends from grip portions 52, as best finding in Fig. 6.Fluid passage 57,59 is limited at respectively in grip portions 52 and thin bar part 54, makes continuous fluid passage extend to the distal portion 53 of thin bar part 54 from the end 51 of delivery tube 48.Grip portions 52 comprises trigger 56 or is constructed such that fluid can flow to through passage 57,59 the startup structure of other kindred type of the far-end 53 of thin bar 54.Thin bar part 54 comprises that the nozzle 55 at far-end 53 places that are positioned at thin bar part 54 is to control the spray modes for hand syringe 50.
Pump 60 comprises pump barrel 64, piston 68 and handle portion 70, thereby described handle portion 70 is configured to air to introduce in chamber 16 to cause fluid to flow to hand syringe 50 through tedge 44 and delivery tube 48 to this chamber pressurization.Described in Fig. 3 and 5, the pump barrel 64 of pump 60 comprises the cylinder of hollow, the cylinder of this hollow be defined in that the second opening 43 covering in 32 aligns and extend through and cover space 34 from covering 32 downside.At the assembly process of pot type injector assembly 10, pump barrel 64 is pushed into through the access portal 22 of neck 20 and is advanced in the chamber 16 of tank member 14.After this, jet member 30 is fixed to tank member 14 by lid 32 joints to neck 20, described at Fig. 8.
The piston 68 of pump 60 is positioned in pump barrel 64 and is configured for respect to pump barrel 64 and moves axially.The collaborative discharge chambe 71 that limits of piston 68 and pump barrel 64.Pump 60 comprises the check-valves 66,67 that flows into and flow out discharge chambe 71 for controlling air during the movement with respect to discharge chambe 71 at piston 68.Handle portion 70 is attached to the end of piston 68, and this end extends to the upside that covers 32 from cylinder 64.Handle portion 70 can be made for moving axially piston 68 to normal pressure is introduced in the chamber 16 of tank member 14 in known manner by the operator of pot type injector.For example, the handle portion 70 of piston 68 is for example formed at, between retracted position (seeing Fig. 3) and extended position (as shown in the virtual image in Fig. 3) and moves.In the time that handle portion 70 is moved to retracted position from extended position, be also known as downward stroke, piston 68 forces the air in discharge chambe 71 to move through check-valves 66 and goes forward side by side and enter the room in 16.In the time that handle portion 70 is moved to extended position from retracted position, be also known as upstroke, check-valves 67 is opened to allow air to flow in discharge chambe 71.
Fig. 4 has described the embodiment of the packing container 72 of injector packaging sub-component 18.As shown in the figure, packing container 72 comprises multiple walls, and they limit the chamber 74 of the part (for example seeing Fig. 5) for receiving and keep jet member 30.Packing container 72 is configured to other article to remain in chamber 74.For example, be positioned for the description 114 of pot type injector assembly 10 and remain on the side of chamber 74 at lid 32.Described multiple wall comprises the lower wall 76 limiting for the access portal 78 in chamber 74, the upper wall 84 of locating on the contrary with lower wall 76, and the sidewall 102,104,106,108 extending between upper wall and lower wall 84,76.Packing container 72 is configured to the top of jet member 30 to remain in the fixed position in this chamber.In addition, packing container 72 is configured to lid 32 to remain to align with access portal 78 neck 20 of tank member 14 can be inserted into by access portal 78.Along with neck 20 is inserted into by access portal 78, together with the threaded part 28 of neck 20 can easily be screwed to lid 32 threaded part 40 or by interlock engage to jet member 30 is fixed to tank member 14, cover 32 simultaneously and be still maintained at 74Nei position, chamber.
For ease of cover 32 with the aliging of access portal 78, lower wall 76 comprises the marginal texture 80 around access portal 78.Marginal texture 80 comprises recess or depression, and this recess or depression limit the surface 81 of level (being also known as seating surface 81) and vertical in fact surface 83 (being also known as border surface 83) in fact.The seating surface 81 of marginal texture as be fixed at lid 32 chamber 74 cover when interior 32 skirt section 38 be placed against surface.Holder structure is extended to form from seating surface 81 in vertical surface 83, and the bottom in skirt section 38 is received in wherein.Upper wall 84 forms the baffle plate on the opposition side of chamber 74 and lower wall 76.Upper wall and lower wall 76,84 are trapped in lid 32 between them.Especially, in the time that the lower end part in skirt section 38 is in by surface 81,83 holders that limit, lid 32 moves up by having covered contact preventing between 32 top and the bottom side of upper wall 84.
Upper wall 84 is configured to movable to make jet member 30 can be advanced in chamber 74 and the skirt section 38 of lid 32 can be placed with the seating surface 81 of marginal texture 80 and engages with respect to other wall.Once jet member 30 is positioned in chamber 74, upper wall 84 be just moved back its in the position shown in Fig. 5-8 to lid 32 is fixed in chamber.When lid 32 is positioned in the chamber 74 in and covers 32 while aliging with access portal 78, tedge 44 and pump barrel 64 extend through access portal 78 and are positioned partially at the outside in this chamber, described in Fig. 5 and 8.Described at Fig. 7, the lower wall 76 of packaging 72 also limits thin bar opening 69.In the time that lid 32 is maintained in chamber, thin bar part 54 extends through thin bar opening 69.Thin bar opening 69 is laterally offset from access portal 78 makes thin bar part 54 in the time that injector packaging sub-component 18 is attached to tank member 14 be positioned at the neck 20 of tank member 14 and the outside of chamber 16, described at Fig. 1.
Upper wall 84 also comprises holding structure 110, and it extends in chamber 74 for interlocking with the handle 70 of pump 60, to prevent handle 70 with respect to the horizontal of chamber 74 and/or to rotatablely move.Holding structure 110 limits and keeps space 112, and this maintenance space is configured to receive handle 70 in the time that jet member is fixed in chamber 74 and interlocks with handle 70.Holding structure 110 comprises handle 70 is received in to the coupled columns between them, described at Fig. 5.In one embodiment, the piston 68 of pump 60 and handle portion 70 can be configured to and cover 32 and/or the interlocking of cylinder 64 top, to piston 68 and handle 70 are fixed on releasedly with respect in the retracted position of lid 32 and prevent handle 70 and piston 68 rotatablely moving with respect to cylinder 64.In the present embodiment, utilize interlocking structure 110 to prevent that handle 70 from also can prevent from covering 32 rotatablely moving with respect to chamber 74 with respect to rotatablely moving of chamber 74.
As mentioned above due to jet member 30 is fixed to injector packaging sub-component 18 that packing container 72 obtains and provides the structure of modular (unitary), this structure be convenient to injector package component 18 as the unit separating from tank member 14 carry, shipping and storage.Injector packaging sub-component also makes jet member 30 easily be assembled to tank member 14 to be assigned to subsequently retail center and terminal use and need to dismantle sprinkling member 30 from packing container.For example, be fixed to tank member 14 in order injector to be packed to sub-component 18 as described in Fig. 8, the neck 20 of tank member 14 is alignd with the access portal 78 of packing container 72 and is pushed into be partly positioned in the chamber 74 of packing container 72.After aliging with access portal 78 in lid 32 inside in this chamber, neck 20 is advanced into and in chamber, causes the threaded part 28 of neck 20 to be alignd with the threaded part 40 of lid 32 in fact.In the situation that neck 20 is arranged in chamber 74 at least in part, tank member and packing container 72 can relative to each other be rotated, thereby so that make neck 20 with externally threaded part 28 and lid 32 tapped part 40 interlocks engage sub-component 18 be engaged to tank member 14.
Packing container 72 is configured to engage tank member 14 so that stablize and be firmly attached to tank member 14 and resist the involuntary rotation of sub-component 18 with respect to tank member 14 in the time that injector packaging sub-component 18 is engaged to tank member.More particularly, the lower wall 76 of packing container, and especially marginal texture 80 can be oriented to compacted or be compressed in cover a part for 32 skirt section 38 and tank member 14, such as between shoulder 24, as best finding in Fig. 8.By marginal texture 80 be squeezed in cover between 32 skirt section 38 and the shoulder 24 of tank member 14, provide between lid 32, packing container 72 and tank member 14 be frictionally engaged in case resist cover 32, packing container 72 and tank member 14 rotatablely moving relative to each other.
Packing container 72 is also included in a plurality of projections of extending facing to tank member 14 under the lower wall of container 72.These projections are configured in the time that sub-component 18 is assembled to tank member 14, be forced to abut against tank member 14.For example, with reference to Fig. 1,2 and 4, the sidewall 102,104 of packing container 72 is included in respectively the projection 116 that the lower wall 76 of packing container 72 extends on the opposition side of lower wall 76 below, makes in the time that sub-component 18 is assembled to tank member 14, and tank member 14 is between each protruding 116.These projections 116 have respectively recessed terminal 118, and this terminal is configured to the shoulder 24 of contact tank member 14 to make in the assembled configuration described in Fig. 1 time sub-component 18 stable with respect to tank member 14.
Although at length illustrate and describe in the present invention's explanation in the accompanying drawings and above, they should be considered illustrative and not restrictive in nature.Only it should be understood that and be preferred embodiment presented, and all changes, amendment and other application that fall in purport of the present invention are all that expectation is protected.