EP3950145A1 - Pistolet de calfeutrage à double cartouche - Google Patents

Pistolet de calfeutrage à double cartouche Download PDF

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Publication number
EP3950145A1
EP3950145A1 EP21151990.5A EP21151990A EP3950145A1 EP 3950145 A1 EP3950145 A1 EP 3950145A1 EP 21151990 A EP21151990 A EP 21151990A EP 3950145 A1 EP3950145 A1 EP 3950145A1
Authority
EP
European Patent Office
Prior art keywords
plunger
wall
arcuate
wall surface
caulking gun
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21151990.5A
Other languages
German (de)
English (en)
Other versions
EP3950145B1 (fr
Inventor
Wei-Cheng Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kai Shyun Enterprise Co Ltd
Original Assignee
Kai Shyun Enterprise Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kai Shyun Enterprise Co Ltd filed Critical Kai Shyun Enterprise Co Ltd
Publication of EP3950145A1 publication Critical patent/EP3950145A1/fr
Application granted granted Critical
Publication of EP3950145B1 publication Critical patent/EP3950145B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B05C17/0116—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like characterised by the piston driving means
    • B05C17/012—Stepwise advancing mechanism, e.g. pawl and ratchets
    • B05C17/0123—Lever actuated

Definitions

  • the disclosure relates to a caulking gun, and more particularly to a dual cartridge caulking gun.
  • a conventional dual cartridge caulking gun is employed to receive two caulking, gluing or sealing materials that are mixed for use with a predetermined and varying mixing ratio.
  • a dual cartridge caulking gun as disclosed in TW M439526 includes a gun body and a receptacle mounted on a front side of the gun body for supporting a caulking gun caddy with two tubular barrels.
  • a clamp structure is provided and includes a U-shaped clamp body detachably anchoring the receptacle, and two adjusting clips sleeved on two dovetail portions of the clamp body and each having a stack of clip plates. With the selected clip plates attached to the dovetail portions, the clips are adjustable to support the tubular barrels with different sizes or shapes or volumes.
  • the clips must be removed from the clamp body during adjustment, which renders the operation inconvenient.
  • the removed clips might be easily misplaced.
  • Another dual cartridge caulking gun as disclosed in TW I577456 includes a U-shaped clip body, two front arc sheets and two rear arc sheets .
  • the clip body has a vertical plate and upper and lower side plates.
  • the inner sides of the upper and lower side plates have inner and outer arc surfaces having different curvatures, respectively.
  • the front and rear arc sheets extend from the outer arc surfaces of the upper and lower side plates.
  • the caulking gun can hold the tubular barrels with different diameters.
  • such clip structure is complicated in structure and arduous to manufacture and fabricate.
  • the clip structure is loosely disposed to the receptacle of the caulking gun for facilitating adjustment. As such, the clip might be easily undesirably removed and misplaced.
  • an object of the disclosure is to provide a dual cartridge caulking gun that can alleviate at least one of the drawbacks of the prior art.
  • the dual cartridge caulking gun is adapted to mount a caulking gun caddy for expelling and dispensing material filled in the caddy.
  • the caddy has a first tubular barrel and a second tubular barrel juxtaposed and coupled with the first tubular barrel in a longitudinal direction.
  • the dual cartridge caulking gun includes a gun body, a receptacle mounted on a side of the gun body, a plunger unit mounted within and movable relative to the receptacle in the longitudinal direction, a trigger unit mounted on the gun body, and an adjusting unit.
  • the receptacle has an accommodation space for receiving and supporting the caddy, and at least one arcuate surface which faces the accommodation space.
  • the plunger unit includes a first plunger which is actuated by a triggering action, and a second plunger which is movable with the first plunger.
  • the second plunger is elongated along a central line parallel to the longitudinal direction.
  • the trigger unit is operable to drive movement of the plunger unit in the longitudinal direction toward the accommodation space.
  • the adjusting unit is pivotably mounted on the receptacle to be movable along the arcuate surface, and has an arcuate first wall surface segment and an arcuate second wall surface segment which are angularly spaced apart from each other and which face the central line.
  • the adjusting unit is turnable relative to the receptacle between a first supporting position, where a curvature center of the first wall surface segment meets the central line, and a second supporting position, where a curvature center of the second wall surface segment meets the central line.
  • a distance between the first wall surface segment and the central line in the first supporting position is larger than a distance between the second wall surface segment and the central line in the second supporting position.
  • the first and second wall surface segments support the second tubular barrels with different diameters.
  • a first embodiment of a dual cartridge caulking gun 100 is adapted to mount a caulking gun caddy 1 for expelling and dispensing material filled in the caddy 1.
  • the caddy 1 has a first tubular barrel 101, a second tubular barrel 102 juxtaposed and coupled with the first tubular barrel 101 in a longitudinal direction (X), and a nozzle 103 connected with one end of each of the first and second tubular barrels 101, 102.
  • the dual cartridge caulking gun 100 includes a gun body 10, a receptacle 20, a plunger unit 30, a trigger unit 40 and an adjusting unit 50.
  • the gun body 10 includes a mount 11 and a handle 12 connected to the mount 11.
  • the mount 11 defines a receiving chamber 111 and an axial hole 112 communicating with the receiving chamber 111.
  • the receptacle 20 includes a first end wall 21 connected to a side of the mount 11, a second end wall 22 disposed opposite to the first end wall 21 in the longitudinal direction (X), a first lateral wall 23 connected between the first and second end walls 21, 22 and having an arcuate surface 27 to support the first tubular barrel 101 (see FIG. 6 ), a second lateral wall 24 connected between the first and second end walls 21, 22, disposed opposite to the first lateral wall 23 in a transverse direction (Y) that is transverse to the longitudinal direction (X) and having another arcuate surface 27, an arcuate slot 25 formed in the second lateral wall 24, and a retaining plate 28 disposed to the first end wall 21 to fasten the receptacle 20 to a side of the gun body 10.
  • the first end wall 21, the second end wall 22, the first lateral wall 23 and the second lateral wall 24 cooperatively define an accommodation space 26 for receiving and supporting the caddy 1 such that the arcuate surfaces 27 of the first and second lateral walls 23, 24 face the accommodation space 26.
  • the first end wall 21 has a first hole 211, an elongated round second hole 212 formed at one side of the first hole 211, and an auxiliary hole 213 formed at the other side of the first hole 211.
  • the second end wall 22 has a slot 221 for the nozzle 103 to extend therethrough (see FIG. 5 ).
  • the arcuate slot 25 is formed adjacent to the first end wall 21, and has a lower end 251, an upper end 252 opposite to the lower end 251, and two round holes 253 interposed between the upper and lower ends 252, 251.
  • the plunger unit 30 is mounted on the mount 11 and within the receptacle 20 and is movable relative to the receptacle 20 in the longitudinal direction (X).
  • the plunger unit 30 includes a first plunger 31 which extends through the first hole 211 and which is actuated by a triggering action, a second plunger 32 which extends through the second hole 212 and which is movable with the first plunger 31, an auxiliary plunger 33 which extends through the auxiliary hole 213, a crosspiece 34 which is connected with one end of each of the first, second and auxiliary plungers 31, 32, 33, and a pull knob 35 which is fastened to the crosspiece 34 and the first plunger 31.
  • a first plunger disc 36 is connected with the other end of each of the first and auxiliary plungers 31, 33.
  • a second plunger disc 37 is connected with the other end of the second plunger 32.
  • the first plunger 31 is elongated in the longitudinal direction (X) to be disposed in the receiving chamber 111 and the axial hole 112.
  • the second plunger 32 has a plunger rod 321 elongated along a central line (L) parallel to the longitudinal direction (X), and an enlarged end head 322 which extends transversely from and is integrally formed with an end of the plunger rod 321 such that the second plunger 32 has an L-shaped cross-section along the central line (L).
  • the second plunger 32 is adjustable relative to the first plunger 31 in the transverse direction (Y).
  • the plunger rod 321 has a width which is measured in an upright direction (Z) that is transverse to both the longitudinal direction (X) and the transverse direction (Y) and which is smaller than a width of the end head 322 which is measured in the upright direction (Z).
  • the crosspiece 34 has a rectangular inner sliding hole 341 which is aligned with the central line (L), and an elongated round outer sliding hole 342 which is in spatial communication with the inner sliding hole 341 along the central line (L) and which is elongated in the transverse direction (Y).
  • the outer sliding hole 342 has a width which is measured in the upright direction (Z) and which is smaller than a width of the inner sliding hole 341 that is measured in the upright direction (Z).
  • the plunger rod 321 extends through the outer sliding hole 342 and the second hole 212.
  • the end head 322 is slidably disposed in the inner sliding hole 341, and the plunger rod 321 is slidable in the outer sliding hole 342 in the transverse direction (Y).
  • the trigger unit 40 includes a trigger lever 41 pivotably connected to the mount 11, an actuated block 42 sleeved on the first plunger 31 and disposed in the receiving chamber 111, a first biasing spring 43 disposed between the actuated block 42 and the receptacle 20, a returning presser 44 sleeved on the first plunger 31 and disposed between the gun body 10 and the crosspiece 34, and a second biasing spring 45 disposed between the gun body 10 and the returning presser 44.
  • the trigger lever 41 is pullable to actuate the actuated block 42 to move the first and auxiliary plungers 31, 33 forwards toward inside of the first tubular barrel 101 and to move the second plunger 32 forwards in the longitudinal direction (X) toward inside of the second tubular barrel 102.
  • the returning presser 44 is pressed to actuate returning movement of the first, auxiliary and second plungers 31, 33, 32 in an opposite direction.
  • the adjusting unit 50 is pivotably mounted on the receptacle 20 to be movable along the arcuate surface 27 of the second lateral wall 24.
  • the adjusting unit 50 includes an adjusting piece 501 which is pivotably mounted on the retaining plate 28, a knob piece 502 which is rotatably connected to the adjusting piece 501, and a screw 503 which extends through the adjusting piece 501 and threadedly engages with the knob piece 502.
  • the adjusting piece 501 has a flat plate portion 51 which is disposed adjoining and parallel with an inboard side of the first end wall 21 and is disposed within the accommodation space 26, and an arcuate plate portion 52 which extends from the flat plate portion 51 in the longitudinal direction (X) and which is movable on and relative to the arcuate surface 27 of the second lateral wall 24.
  • the flat plate portion 51 has a pivot pin 511 which is journalled on either one of the retaining plate 28 and the first end wall 21, and a penetrating slot 512 which is registered with the second hole 212 for the second plunger 32 to extend therethrough.
  • the penetrating slot 512 is elongated and round in shape, and has a round first end portion 514 and a round second end portion 515 opposite to each other.
  • the arcuate plate portion 52 has a bearing wall 521 which has arcuate first and second wall surface segments 524, 525 for supporting the second tubular barrel 102 thereon, and an outer surface 522 radially opposite to the first and second wall surface segments 524, 525, two sliding feet 523 which extend radially and outwardly from the outer surface 522 of the bearing wall 521 and which slidably abut against the arcuate surface 27 of the second lateral wall 24, and a mount projection 526 which projects radially and outwardly from the outer surface 522 of the bearing wall 521 and between the two sliding feet 523.
  • the first and second wall surface segments 524, 525 are angularly spaced apart from each other and face the central line (L).
  • the adjusting unit 50 is turnable with the pivot pin 511 relative to the receptacle 20 between a first supporting position (see FIG. 6 ), where a curvature center of the first wall surface segment 524 meets the central line (L), and a second supporting position (see FIG. 10 ), where a curvature center of the second second wall surface segment 525 meets the central line (L).
  • a distance (d1) between the first wall surface segment 524 and the central line (L) in the first supporting position is larger than a distance (d2) between the second wall surface segment 525 and the central line (L) in the second supporting position. Therefore, the first wall surface segment 524 ( FIG. 6 ), where a curvature center of the first wall surface segment 524 meets the central line (L), and a second supporting position (see FIG. 10 ), where a curvature center of the second second wall surface segment 525 meets the central line (L).
  • a distance (d1) between the first wall surface segment 524 and the central line (L) in the first supporting position is
  • the second wall surface segment 525 serves to support the second tubular barrel 102 when the second tubular barrel 102 has a larger diameter
  • the second wall surface segment 525 serves to support the second tubular barrel 102 when the second tubular barrel 102 has a smaller diameter ( FIG. 10 ).
  • the curvature center of the first wall surface segment 524 is located at a circle center of the first end portion 514 of the penetrating slot 512
  • the curvature center of the second wall surface segment 525 is located at a circle center of the second end portion 515 of the penetrating slot 512.
  • a curvature of the second wall surface segment 525 is larger than a curvature of the first wall surface segment 524.
  • each of the sliding feet 523 projects from the outer wall surface 522 and is in the form of a curve wedge rib having a curve edge 5231 that extends around the pivot pin 511.
  • the knob piece 502 has a rotating portion 53 which is slidably inserted into the arcuate slot 25 and is journalled on the mount projection 526 to permit rotation of the knob piece 502 relative to the adjusting piece 501, and an operating portion 54 which is connected with the rotating portion 53 to project from the accommodation space 26 through the arcuate slot 25.
  • the rotating portion 53 has two flat surface segments 531 diametrically opposite to each other, and two curve surface segments 532 each interposed between the two flat surface segments 531 and diametrically opposite to each other.
  • a length between the curve surface segments 532 is larger than that between the flat surface segments 531, and is not larger than a diameter of the round holes 253.
  • the first tubular barrel 101 is supported by the arcuate surface 27 of the first lateral wall 23, and the second tubular barrel 102 is supported by the bearing wall 521 of the adjusting unit 50.
  • the first wall surface segment 524 supports the second tubular barrel 102 with a larger diameter
  • the second plunger 32 extends through the penetrating slot 512 and is aligned with the center of the first end portion 514
  • the knob piece 502 is retained to the round hole 253 of the arcuate slot 25 adjacent to the lower end 251.
  • the curve surface segments 532 of the rotating portion 53 are parallel to the arcuate slot 25 to be retained in the round hole 253.
  • the first and auxiliary plungers 31, 33 and the first plunger disc 36 are actuated to push the first tubular barrel 101, and the second plunger 32 and the second plunger disc 37 are actuated to push the second tubular barrel 102.
  • the plunger unit 30 is moved forwards along the longitudinal direction (X) toward the accommodation space 26 so as to expel materials filled in the first and second tubular barrels 101, 102 and to dispense the materials from the nozzle 103.
  • the caulking gun caddy 1 having the second tubular barrel 102 with a larger diameter is first taken out from the accommodation space 26. Subsequently, the operating portion 54 is turned to a slidable position, where the flat surface segments 531 are parallel to the arcuate slot 25 and the curve surface segments 532 are removed from the round hole 253.
  • the rotating portion 53 of the knob piece 502 is permitted with a sliding movement along the arcuate slot 25 so as to turn the adjusting unit 50 about an axis of the pivot pin 511.
  • the penetrating slot 512 is moved upwardly such that the second plunger 32 is moved with the penetrating slot 512 toward the first plunger 31, the end head 322 is slided in the inner sliding hole 341 (see FIG.
  • a caulking gun caddy 1 having a second tubular barrel 102 with a smaller diameter is placed in the accommodation space 26.
  • the second wall surface segment 525 supports the second tubular barrel 102 with a smaller diameter.
  • the second plunger 32 can be actuated to push the second tubular barrel 102 when the second tubular barrel 102 is supported by the first wall surface segment 524 and has a larger diameter and the second plunger 32 is at the first end portion 514 of the penetrating slot 512, and to push the second tubular barrel 102 when the second tubular barrel 102 is supported by the second wall surface segment 525 and has a smaller diameter and the second plunger 32 is at the second end portion 515 of the penetrating slot 512.
  • the adjusting unit 50 can be turned to the desired supporting position without the need to remove any component part from the gun 100.
  • the adjusting operation is convenient and easy to conduct, and misplacement of component parts is prevented.
  • the end head 322' of the second plunger 32 of the plunger unit 30 is in the form of a flat head screw which is detachably fastened to the end of the plunger rod 321.
  • the operating portion 54 of the knob piece 502 of the adjusting unit 50 further has an inner end surface 541 formed adjacent to the rotating portion 53 and facing the mount projection 526, and two pairs of retaining recesses 542, 543 formed in the inner end surface 541.
  • the retaining recesses 542, 543 of each pair are diametrically opposite to each other, and all the retaining recesses 542, 543 are angularly spaced apart from one another.
  • the mount projection 526 has two pegs 527 which project to engage in selected ones of the retaining recesses 542, 543 to retain the knob piece 502 to the adjusting piece 501.
  • the adjusting unit 50 further includes a biasing spring 504 which is disposed between the screw 503 and the adjusting piece 501 so as to bias the retaining recesses 542, 543 toward the pegs 527.
  • the operating portion 54 is first pulled (the biasing spring 504 is compressed) to remove the retaining recesses 542 from the pegs 527, and is then turned to the slidable position, where the flat surface segments 531 are parallel to the arcuate slot 25 and the curve surface segments 532 are removed from the round hole 253 so as to permit sliding movement of the adjusting piece 501 along the arcuate slot 25 to the desired supporting position. Finally, the operating portion 54 is released to permit engagement of the retaining recesses 543 with the pegs 527 by means of biasing action of the biasing spring 504.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP21151990.5A 2020-08-04 2021-01-18 Pistolet de calfeutrage à double cartouche Active EP3950145B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW109126370A TWI762987B (zh) 2020-08-04 2020-08-04 可調管徑式雙管打膠槍

Publications (2)

Publication Number Publication Date
EP3950145A1 true EP3950145A1 (fr) 2022-02-09
EP3950145B1 EP3950145B1 (fr) 2023-02-15

Family

ID=74186578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21151990.5A Active EP3950145B1 (fr) 2020-08-04 2021-01-18 Pistolet de calfeutrage à double cartouche

Country Status (2)

Country Link
EP (1) EP3950145B1 (fr)
TW (1) TWI762987B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090101678A1 (en) * 2007-10-19 2009-04-23 Hilti Aktiengesellschaft Ejection device
TWM439526U (en) * 2012-03-23 2012-10-21 Siang Syuan Fu Entpr Co Ltd Silicone gun and adjustable tube clamp structure thereof
TWI577456B (zh) * 2016-03-03 2017-04-11 Glue gun clip structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103406241B (zh) * 2013-06-04 2015-08-05 浙江豪情汽车制造有限公司 一种打胶枪
TWM605127U (zh) * 2020-08-04 2020-12-11 凱馴企業有限公司 可調管徑式雙管打膠槍

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090101678A1 (en) * 2007-10-19 2009-04-23 Hilti Aktiengesellschaft Ejection device
TWM439526U (en) * 2012-03-23 2012-10-21 Siang Syuan Fu Entpr Co Ltd Silicone gun and adjustable tube clamp structure thereof
TWI577456B (zh) * 2016-03-03 2017-04-11 Glue gun clip structure

Also Published As

Publication number Publication date
TW202206192A (zh) 2022-02-16
EP3950145B1 (fr) 2023-02-15
TWI762987B (zh) 2022-05-01

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