EP4166243A1 - Handgriff für dichtmittelpistole und dichtmittelpistole - Google Patents

Handgriff für dichtmittelpistole und dichtmittelpistole Download PDF

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Publication number
EP4166243A1
EP4166243A1 EP22158432.9A EP22158432A EP4166243A1 EP 4166243 A1 EP4166243 A1 EP 4166243A1 EP 22158432 A EP22158432 A EP 22158432A EP 4166243 A1 EP4166243 A1 EP 4166243A1
Authority
EP
European Patent Office
Prior art keywords
driving
handle
shaft
driving shaft
mounting hole
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
EP22158432.9A
Other languages
English (en)
French (fr)
Other versions
EP4166243B1 (de
Inventor
Jie Li
Shengjiang WANG
Fengming Li
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.)
Tianjin Jinmao Group Co Ltd
Original Assignee
Tianjin Jinmao Group 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 Tianjin Jinmao Group Co Ltd filed Critical Tianjin Jinmao Group Co Ltd
Publication of EP4166243A1 publication Critical patent/EP4166243A1/de
Application granted granted Critical
Publication of EP4166243B1 publication Critical patent/EP4166243B1/de
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
    • B05C17/01—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
    • 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
    • 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
    • B05C17/0126—Lever actuated comprising an element, e.g. an arc compensating element, articulated at one end on the lever and at the other end on the piston rod driving means, e.g. a pawl
    • 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
    • B05C17/0136—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 comprising an energy storing element, e.g. a spring, for exerting, e.g. when released, pressure on 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

Definitions

  • the present disclosure relates to the technical field of caulking tools, in particular to a caulking gun handle and a caulking gun.
  • the caulking amount at a single time is too small, resulting in that the caulking needs to be performed multiple times to cover the to-be-caulked surface, and then causing a problem that the caulking efficiency is low and further the construction efficiency is affected.
  • An embodiment of the present disclosure provides a caulking gun handle, including a top connector, a locking sheet, a caulking gun ejector rod, a driving block, a driving spring, a fixed handle, and a movable handle;
  • the locking sheet is obliquely connected to a rear end of the top connector by a spring, the caulking gun ejector rod penetrates through the locking sheet and the top connector;
  • the driving block is slidably connected to the caulking gun ejector rod;
  • the driving spring is sleeved over the caulking gun ejector rod, one end of the driving spring abuts against a front end face of the driving block, and the other end of the driving spring is configured to abut against a barrel of the caulking gun;
  • an upper end of the fixed handle is fixedly connected to a lower end of the top connector;
  • an upper end of the movable handle is pivoted inside the top connector, and the movable handle is located in front of
  • a caulking amount adjusting assembly is mounted on the movable handle
  • the driving shaft positioning member is a ball point screw (bead screw), a ball point end of the ball point screw extends into the driving shaft mounting hole, and the positioning member mounting hole is a threaded hole.
  • the driving shaft includes a main shaft and a shaft sleeve
  • the main shaft includes a first shaft segment and a second shaft segment integrally connected with each other, and an outer circle diameter of a radial section of the first shaft segment is greater than an outer circle diameter of a radial section of the second shaft segment;
  • the peripheral surface of the driving shaft is provided with a plane, and the first positioning recess, the second positioning recess, and the driving protrusion are all provided in the plane; and a hole wall of the driving shaft mounting hole fits to and is matched with the peripheral surface of the driving shaft.
  • the driving protrusion is fixedly connected or integrally molded to a peripheral surface of one end of the driving shaft, and the first positioning recess and the second positioning recess are both provided at the driving protrusion; and the driving protrusion is inserted into the driving shaft mounting hole of one of the handle mounting portions, and an end of the driving shaft away from the driving protrusion is inserted into the driving shaft mounting hole of the other one of the handle mounting portions; the anti-release structure is capable of preventing the driving shaft and the driving protrusion from disengaging from the corresponding driving shaft mounting holes.
  • an end face of one end of the driving protrusion away from the driving shaft is a circular arc surface; and/or one side of one of the handle mounting portions facing the other one of the handle mounting portions is provided with an avoidance groove for avoiding the driving shaft positioning member.
  • the anti-release structure includes a screw and a baffle; the baffle is sleeved over the screw, and one end of the screw is inserted and threaded into a threaded hole provided in an end surface of the driving shaft.
  • a pivot rotating shaft is further connected between the two handle mounting portions, the pivot rotating shaft penetrates through the first pivot rotating shaft mounting hole in the top connector, one end of the pivot rotating shaft is rotatably connected to one of the handle mounting portions, and the other end of the pivot rotating shaft is rotatably connected to the other one of the handle mounting portions.
  • the two handle mounting portions are each provided with a second pivot rotating shaft mounting hole;
  • the pivot rotating shaft includes a head portion and a rod portion, and the rod portion of the pivot rotating shaft is blocked and locked by an end stopper after sequentially penetrating through the second pivot rotating shaft mounting hole in one of the handle mounting portions, the first pivot rotating shaft mounting hole in the top connector, and the second pivot rotating shaft mounting hole in the other one of the handle mounting portions; alternatively, two ends of the pivot rotating shaft are each blocked and locked by an end stopper after the pivot rotating shaft sequentially penetrates through the second pivot rotating shaft mounting hole in one of the handle mounting portions, the first pivot rotating shaft mounting hole in the top connector, and the second pivot rotating shaft mounting hole in the other one of the handle mounting portions.
  • the end stopper is an elastic retaining ring.
  • the elastic retaining ring is provided with a central opening, and a first slit, a hole, and a second slit in communication with the central opening, wherein a portion of the elastic retaining ring close to the first slit extends upwards to the second slit so as to form the hole.
  • An embodiment of the present disclosure further provides a caulking gun, including a barrel and the caulking gun handle according to any one of the preceding embodiments.
  • the caulking gun provided in the second aspect of the embodiment of the present disclosure includes the caulking gun handle provided in the first aspect
  • the caulking gun provided in the second aspect of the embodiment of the present disclosure can achieve all the beneficial effects that can be achieved by the caulking gun handle provided in the first aspect.
  • orientation or positional relationships indicated by terms such as “front”, “back”, “left”, “right”, “inner”, and “outer”, are based on orientation or positional relationships as shown in the drawings, or orientation or positional relationships of a product of the present disclosure when being conventionally placed in use, merely for facilitating describing the present disclosure and simplifying the description, rather than indicating or suggesting that related devices or elements have to be in the specific orientation or configured and operated in a specific orientation, therefore, they should not be construed as limitation to the present disclosure.
  • terms such as “first” and “second” are merely used for distinctive description, but should not be construed as indicating or implying importance in the relativity.
  • connection may be a fixed connection, a detachable connection, or an integrated connection; it may be a mechanical connection or an electrical connection; it may be direct joining or indirect joining through an intermediate media, and it also may be inner communication between two elements.
  • a connection may be a fixed connection, a detachable connection, or an integrated connection; it may be a mechanical connection or an electrical connection; it may be direct joining or indirect joining through an intermediate media, and it also may be inner communication between two elements.
  • the caulking gun handle and the caulking gun provided in the present disclosure alleviate the technical problems in the prior art that when the caulking gun is used for caulking, the amount of caulk discharged from the caulk cartridge cannot be controlled, and the caulking cannot be flexibly performed in different strengths according to different caulk viscosities.
  • the caulking gun is a caulking tool, and as shown in FIG. 1 and FIG. 2 , the caulking gun used at present includes a caulking gun ejector rod 1, a caulking gun handle 2, and a barrel 3 connected to a front end of the caulking gun handle 2.
  • the caulking gun handle 2 includes a fixed handle 21, a movable handle 22, and a top connector 23 having a penetration mounting hole 231 for allowing the caulking gun ejector rod 1 to penetrate therethrough and be mounted; an upper end of the fixed handle 21 is fixedly connected to a lower end of the top connector 23, wherein the fixed handle 21 may be fixedly connected to the lower end of the top connector 23 through a screw, a rivet or other fasteners, or may be in an integrally molded structure with the top connector 23; an upper end of the movable handle 22 is pivoted inside the top connector 23, and the movable handle 22 is located in front of the fixed handle 21; the caulking gun handle 2 further includes a locking sheet 24 obliquely hinged to a rear end of the top connector 23 by a spring, the locking sheet 24 is provided with a through hole (penetration hole), the caulking gun ejector rod 1 penetrates through the penetration mounting hole 231 in the top connector 23 and the through hole in the locking sheet 24, and the caul
  • the locking sheet 24 is pressed so that the locking sheet 24 extends along a vertical direction to release the caulking gun ejector rod 1, the caulking gun ejector rod 1 is pulled to enable the front end of the caulking gun ejector rod 1 to move backward and then release the locking sheet 24, the caulk cartridge is placed inside the barrel 3 with a caulk outlet facing forward, the movable handle 22 is pulled backward, at this time, the upper end of the movable handle 22 can enable the driving block 4 to incline so that the driving block 4 locks the caulking gun ejector rod 1, meanwhile, the upper end of the movable handle 22 pushes the driving block 4 to move forward so as to drive the caulking gun ejector rod 1 to move forward against the friction force between the through hole of the locking sheet 24 and the caulking gun ejector rod 1, the front end of the caulking gun ejector rod 1 is enabled to be squeezed and placed in a rear end of the caulk cartridge inside the barrel
  • the caulking gun when used for caulking, the amount of the caulk discharged from the caulk cartridge cannot be controlled, thus leading to a too large caulking amount in some work scenes, which on the one hand will cause great interference to the process, and needs extra cleaning work for excess caulk discharged on the to-be-caulked surface, and on the other hand, also causes a problem of serious caulk waste.
  • the caulking amount at a single time is too small, and the caulking needs to be performed multiple times to cover the to-be-caulked surface, then causing a problem that the caulking efficiency is low and further the construction efficiency is affected.
  • the propelling ratio of the caulking gun in the prior art cannot be adjusted according to different caulk viscosities, then in some work scenes with high caulk viscosity, as the propelling ratio of the caulking gun cannot be decreased by adjustment, the caulking amount will be too large, extra cleaning work needs to be performed on excess caulk discharged on the to-be-caulked surface, thus causing great interference to the process, and meanwhile also causing serious caulk waste; and in some work scenes with low caulk viscosity, as the propelling ratio of the caulking gun cannot be increased by adjustment, the caulking amount at a single time is too small, the caulking needs to be performed multiple times to cover the to-be-caulked surface, then the caulking efficiency is low and further the construction efficiency is affected.
  • the present disclosure provides an improved caulking gun, i.e. a caulking gun mounted with a caulking gun handle according to the present disclosure, as shown
  • the caulking gun in the present disclosure includes a caulking gun handle 2 and a barrel 3 connected to a front end of the caulking gun handle 2,
  • the caulking gun handle 2 includes a caulking gun ejector rod 1, a fixed handle 21, a movable handle 22, a top connector 23, a locking sheet 24, a driving block 4, and a driving spring 5, wherein the locking sheet 24 is obliquely hinged to a rear end of the top connector 23 by a spring, and the caulking gun ejector rod 1 penetrates through the locking sheet 24 and the top connector 23;
  • the driving block 4 is slidably connected to the caulking gun ejector rod 1;
  • the driving spring 5 is sleeved over the caulking gun ejector rod 1, the driving spring 5 has one end abutting against a front end face of the driving block 4, and the other end configured to abut against the barrel 3 of the caulking gun; an upper end of the fixed handle 21 is fixedly
  • a caulking amount adjusting assembly 100 is mounted on the movable handle 22, and the caulking amount and the propelling ratio of the caulking gun may be adjusted by the caulking amount adjusting assembly 100.
  • the caulking amount adjusting assembly 100 includes a driving shaft 110 and a driving shaft positioning member 120; the upper end of the movable handle 22 is provided with a mounting groove 225, and parts at two sides of the mounting groove are each formed as a handle mounting portion 226, and the two handle mounting portions 226 are provided on both left and right sides of the top connector 23, respectively; the top connector 23 is provided with a first pivot rotating shaft mounting hole 232 that passes through the top connector 23 in a left-right direction, the two handle mounting portions 226 are respectively provided with a driving shaft mounting hole 221 that passes through the handle mounting portions 226 in the left-right direction, the driving shaft 110 sequentially penetrates through the driving shaft mounting hole 221 in one handle mounting portion 226, the first pivot rotating shaft mounting hole 232, and the driving shaft mounting hole 221 in the other handle mounting portion 226, two ends of the driving shaft 110 are both provided with an anti-release structure 300, and the driving shaft 110 rotates in synchronization with the two handle mounting portions 226
  • a driving protrusion 1101, a first positioning recess 1102, and a second positioning recess 1103 are provided on a peripheral surface of the driving shaft 110 and between the two handle mounting portions 226; at least one of the handle mounting portions 226 is provided with a positioning member mounting hole 222, the positioning member mounting hole 222 is in communication with the driving shaft mounting hole 221, the driving shaft positioning member 120 is mounted in the positioning member mounting hole 222, and one end of the driving shaft positioning member 120 extends into the driving shaft mounting hole 221.
  • the driving shaft 110 can slide left and right with respect to the two handle mounting portions, so that in the first workstation, an end portion of the driving shaft positioning member 120 located in the driving shaft mounting hole 221 is engaged in the first positioning recess 1102, and in a second workstation, the end portion of the driving shaft positioning member 120 located in the driving shaft mounting hole 221 is engaged in the second positioning recess 1103; with the driving shaft 110 being in the first workstation, one end of the driving protrusion 1101 away from the driving shaft 110 can press the driving block 4 forward while the driving shaft 110 rotates forward; and with the driving shaft 110 being in the second workstation, the driving protrusion 1101 avoids the driving block 4.
  • the caulking amount adjusting assembly 100 by mounting the caulking amount adjusting assembly 100 on the movable handle 22 of the caulking gun, the function of changing gear position of the propelling ratio is realized, and the caulking feed amount of the caulking gun is changed, thus the actual caulking amount of the caulking gun may be adjusted according to actual needs, ensuring the construction process while avoiding extra cleaning work, having the effect of saving caulk, and being more beneficial to quick construction.
  • the driving shaft positioning member 120 is a ball point screw
  • a ball point end of the ball point screw extends into the driving shaft mounting hole 221
  • the positioning member mounting hole 222 is a threaded hole
  • the ball point screw is threaded in the positioning member mounting hole 222, and when the driving shaft 110 is pushed left and right, the ball point end may be quickly embedded into or exits the first positioning recess 1102 or the second positioning recess 1103 under the effect of pushing force.
  • the driving shaft 110 includes a main shaft 111 and a shaft sleeve 112
  • the main shaft 111 includes a first shaft segment 1111 and a second shaft segment 1112 integrally connected with each other, and an outer circle diameter of a radial section of the first shaft segment 1111 is greater than an outer circle diameter of a radial section of the second shaft segment 1112.
  • the first positioning recess 1102 and the second positioning recess 1103 are provided on a peripheral surface of the first shaft segment 1111;
  • the driving protrusion 1101 is cam-shaped, both the driving protrusion 1101 and the shaft sleeve 112 are sleeved outside the second shaft segment 1112, one side surface of the driving protrusion 1101 abuts against an end face of one end of the first shaft segment 1111 facing the second shaft segment 1112, the other side surface of the driving protrusion 1101 abuts against an end face of one end of the shaft sleeve 112 facing the first shaft segment 1111.
  • One end of the first shaft segment 1111 away from the second shaft segment 1112 is inserted in the driving shaft mounting hole 221 of one handle mounting portion, one end of the second shaft segment 1112 away from the first shaft segment 1111 and one end of the shaft sleeve 112 away from the first shaft segment 1111 are both inserted in the driving shaft mounting hole 221 of the other handle mounting portion, and the anti-release structure 300 can prevent the driving shaft 110 and the shaft sleeve 112 from disengaging from the corresponding driving shaft mounting holes 221.
  • the peripheral surface of the driving shaft 110 is provided with a plane, and the first positioning recess 1102, the second positioning recess 1103, and the driving protrusion 1101 are all provided at the foregoing plane; a hole wall of the driving shaft mounting hole 221 fits to and is matched with the peripheral surface of the driving shaft 110, so as to realize synchronous rotation of the driving shaft 110 with the two handle mounting portions of the movable handle 22.
  • the driving protrusion 1101 is fixedly connected or integrally molded to a peripheral surface of one end of the driving shaft 110, and the first positioning recess 1102 and the second positioning recess 1103 are both provided at the driving protrusion 1101; the driving protrusion 1101 is inserted into the driving shaft mounting hole 221 of one handle mounting portion 226, and an end of the driving shaft 110 away from the driving protrusion 1101 is inserted into the driving shaft mounting hole 221 of the other handle mounting portion 226; and the anti-release structure 300 can prevent the driving shaft 110 and the driving protrusion 1101 from disengaging from the corresponding driving shaft mounting holes 221.
  • an end face of one end of the driving protrusion 1101 away from the driving shaft 110 is a circular arc surface, so as to avoid scratching the driving block 4 during contact between the driving protrusion 1101 and the driving block 4, further improving the service life of the caulking gun handle.
  • one side of one handle mounting portion facing the other handle mounting portion is provided with an avoidance groove 223 for avoiding the driving shaft positioning member 120, so that in the second working condition in the foregoing, the driving shaft positioning member 120 is located in the avoidance groove 223, further the spacing between the two handle mounting portions of the movable handle 22 may be reduced, and the structural compactness of the caulking gun handle may be improved.
  • the above anti-release structures 300 provided at two ends of the driving shaft 110 each include a screw 310 and a baffle 320; the baffle 320 is sleeved over the screw 310, and one end of the screw 310 is inserted and threaded into a threaded hole provided in an end surface of the driving shaft 110.
  • a pivot rotating shaft 400 is further connected between the two handle mounting portions of the movable handle 22, the pivot rotating shaft 400 penetrates through the first pivot rotating shaft mounting hole 232 in the top connector 23, one end of the pivot rotating shaft 400 is rotatably connected to one handle mounting portion 226, and the other end of the pivot rotating shaft 400 is rotatably connected to the other handle mounting portion.
  • the two handle mounting portions 226 are each provided with a second pivot rotating shaft mounting hole 224, wherein the pivot rotating shaft 400 includes a head portion 401 and a rod portion 402, and the rod portion 402 of the pivot rotating shaft 400 is blocked and locked by an end stopper 410 after sequentially penetrating through the second pivot rotating shaft mounting hole 224 in one handle mounting portion 226, the first pivot rotating shaft mounting hole 232 in the top connector 23, and the second pivot rotating shaft mounting hole 224 in the other handle mounting portion 226; alternatively, two ends of the pivot rotating shaft 400 are respectively blocked and locked by an end stopper 410, after the pivot rotating shaft 400 sequentially penetrates through the second pivot rotating shaft mounting hole 224 in one handle mounting portion 226, the first pivot rotating shaft mounting hole 232 in the top connector 23, and the second pivot rotating shaft mounting hole 224 in the other handle mounting portion 226.
  • the structure of the end stopper 410 may be, but is not limited to, what is shown in FIG. 12 , an elastic retaining ring, and the elastic retaining ring is provided with a first slit 412 in communication with a central opening 411, and a portion of the elastic retaining ring close to the first slit 412 extends upwards to a second slit 414 so as to form a hole 413, such that the elastic retaining ring can be conveniently opened.
  • An end clamping groove is provided on a peripheral surface of an end portion of the pivot rotating shaft 400.
  • the elastic retaining ring is opened by using the first and second slits and the hole 413, and the elastic retaining ring is mounted in the end clamping groove of the pivot rotating shaft 400 in a sleeving way, realizing the function of locking the end portion of the pivot rotating shaft 400.
  • the end stopper 410 further may adopt other structural forms, including but not limited to the configuration with reference to the anti-release structure 300 described in the preceding.
  • the present embodiment provides a caulking gun.
  • the caulking gun includes a barrel 3 and the caulking gun handle provided in any optional example in Embodiment 1.
  • the caulking gun provided in the present embodiment includes the caulking gun handle described in Embodiment 1
  • the caulking gun provided in the present embodiment can achieve all the beneficial effects that can be achieved by the caulking gun handle in Embodiment 1, and the specific structure and achievable effects thereof may be obtained with reference to each optional example in Embodiment 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
EP22158432.9A 2021-10-12 2022-02-24 Handgriff für dichtmittelpistole und dichtmittelpistole Active EP4166243B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111188835.0A CN113731758A (zh) 2021-10-12 2021-10-12 胶枪手柄和胶枪

Publications (2)

Publication Number Publication Date
EP4166243A1 true EP4166243A1 (de) 2023-04-19
EP4166243B1 EP4166243B1 (de) 2024-04-03

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EP22158432.9A Active EP4166243B1 (de) 2021-10-12 2022-02-24 Handgriff für dichtmittelpistole und dichtmittelpistole

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CN (1) CN113731758A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736333A2 (de) * 1995-04-03 1996-10-09 HILTI Aktiengesellschaft Manuelles Auspressgerät für pastöse Massen
US20190299244A1 (en) * 2017-06-07 2019-10-03 Zhejiang Volcano Machinery Co., Ltd. Caulking gun
WO2020140272A1 (zh) * 2019-01-04 2020-07-09 杭州联和工具制造有限公司 一种胶枪

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0736333A2 (de) * 1995-04-03 1996-10-09 HILTI Aktiengesellschaft Manuelles Auspressgerät für pastöse Massen
US20190299244A1 (en) * 2017-06-07 2019-10-03 Zhejiang Volcano Machinery Co., Ltd. Caulking gun
WO2020140272A1 (zh) * 2019-01-04 2020-07-09 杭州联和工具制造有限公司 一种胶枪

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