TH14309B - Trigger dispenser - Google Patents

Abstract

The trigger-operated dispenser is provided with an optimized valve structure. Designed to open only when the liquid inside the device shows the correct supply pressure. And was arranged at the source side Compared with the outlet of the nozzle of the nozzle of that And it is also provided with a flow path that is arranged in the cylinder of the pump unit of A device for making any residual pressure backward in its flow path. Liquid of the device After the end of the liquid distribution cycle By such arrangement From the residual pressure in the fluid flow path in the initial and / or final stages in liquid dispensing operations.

Claims (5)

1. Triggered Liquid Dispensing Device Consists of a container, pump unit with A cylinder and a plunger, a supply pipe (F) with an outlet (5) and a trigger (102) for moving the piston back and forth, where the liquid drawn up from the container is supplied through the outlet by the movement of the ball. Pumped to the end of the stroke Which has a unique feature that The fluid pilot (3) is arranged in the flow path (7) arranged on the source side compared to the outlet (5) .The liquid pilot (3) consists of a valve body (10) for closing the path. Liquid flow (7) pressure sleeve (11) formed into one piece. Together with the valve body (10), anchor element (12) is fixed to the supply pipe. And a spring element (13) for connecting the valve body (10) and the aforementioned pressure sleeve (11) to the retaining element (12). The pressure-treated face (14) facing the source side. Of the fluid flow path (7) for receiving the pressure of the liquid Areas of the pressure-treated face (14) are selected in such a way that The resulting force By correct liquid supply pressure It is applied to the pressure-bearing surface (14) greater than the sum of the elastic force of the spring part (13) and the force acting on the valve body (10) and is turned to the side. Destination of the fluid flow path (7) 2. Triggered liquid dispenser It consists of a container, a pump unit with a cylinder and piston, a supply pipe (F) with an outlet (5) and a trigger (102) for moving the piston back and forth where the liquid drawn up from the container is dispensed through the outlet. By the movement of children Pumped to the end of the stroke Which has a unique feature that The inner perimeter wall (31) of the cylinder (23) is provided with a number of short and shallow grooves (32) in part adjacent to the bottom wall (29) of the cylinder (23). Said (32) extended along the length The inner perimeter wall (31) of the cylinder (23) is provided with an air intake (123) connected to the inside of the container. The piston (24) is formed by a pair of ring-shaped hemispheres ( 35,37) that were fixed in contact with the inner perimeter wall of the cylinder (23) and the double ring-separated male gap. It was chosen in such a way that when one of the annular hemispheres (35) was on the short and shallow groove (32) of the cylinder, the other of the annular hem (37) was in close contact with the The inner wall of the cylinder is positioned closer to the opening edge of the cylinder than the intake vents (128). 3. The trigger dispenser consists of a pump unit container with Cylinder and dispenser piston (F) with outlet port (5) and trigger (102) for moving the piston around where the liquid is sucked up from the container. Is paid through the payout by the movement of the child Pumped to the end of the stroke Which has a unique feature that The fluid pilot (3) is arranged in the flow path (7) arranged on the source side compared to the outlet (5) .The liquid pilot (3) consists of a valve body (10) for closing the path. Liquid flow (7) the pressure sleeve (11) formed into The same piece as the valve body (10), the retaining piece (12) is fixed to the supply hose (F) and the spring piece (13) for connecting the valve body (10) and the formed pressure sleeve (11). Together into one such piece To the retaining part (12) the pressure sleeve (11) has a pressure bearing face (14) facing the source side. Of the fluid flow path (7) for receiving the pressure of the liquid Areas of the pressure-treated face (14) are selected in such a way that The resulting force By correct liquid supply pressure It was applied to the pressure surface (14) greater than the sum of the elastic force of the spring part (13) and the force acting on the valve body (10), and was turned to the At the end of the fluid flow path (7), the inner perimeter wall (31) of the cylinder (23) is arranged with a number of short and shallow grooves (32) on the part adjacent to the bottom wall (29). (23) Such short and shallow grooves (32) protrude longitudinal The inner wall (31) of the cylinder (23) is provided with an intake port (123) connected to the inside of the container. The piston (24) is formed by a pair of ring-shaped hemispheres (35). , 37) that are held in close contact with the wall by the inner vice (31) of the cylinder (23) and the ring-shaped separating gap. The pair is chosen in such a way that when one of the annular hemispheres (35) is on the short and shallow groove (32) of the other cylinder. The ring hemispheres (37) were in close contact with the inner wall of the cylinder, positioned closer to the cylinder opening edge than the intake port (123). Right number 3, where an air intake groove is formed on the inner surface of the cylinder between the first position. Where the ring-shaped hem (35) is on the short and shallow groove (32) and the extension position Go to the second position, which is closer to the air intake compared to the third. In which the annular male part (37) is aligned when the piston is positioned at the end approaches, 5. The trigger dispenser consists of a pump unit container with a cylinder and a plunger. Dispenser (405) and trigger (102) for moving the piston back and forth where the liquid drawn up from the container is dispensed through the discharge port by the movement of the Piston to the end of the stroke Which has a unique feature that The fluid pilot (403) is placed on the flow resistance line (407) that is positioned on the source side compared to the outlet (405) .The liquid pilot (403) consists of a valve body (410) for closing. The fluid flow path (407), the pressure sleeve (411), formed into one piece to the valve body (410), the pilot sleeve (417) that connects the valve body (410) and the pressure sleeve (411). Through the opening (420), the pilot sleeve (417) of the fluid pilot (403) is inserted into the inside of the pilot sleeve (418) of the spin element (404). The valve body (410) is actuated by the spring ( 413) between the pilot sleeve (417) and the pilot sleeve (418) to block the fluid flow path (407) .The pressure-resistant sleeve (411) has a pressure-bearing surface (414) facing the The source of the fluid flow path (407) for the fluid pressure and the area of the pressure surface (414) is selected in such a way that the force exerted by the correct liquid supply pressure. It was applied to the pressure surface (411) greater than the sum of the elastic force of the spring part (413) and the force acting on the pressure surface (414) and was turned to the destination side of the path. Liquid flow (407) 6. The trigger dispenser consists of a container, pump unit with A cylinder and a plunger, a supply pipe (F) with an outlet (5) and a trigger (102) for moving the piston back and forth, where the liquid drawn up from the container is supplied through the outlet by the movement of the ball. Pumped to the end of the stroke Which has a unique feature that Such a cylinder of the pump unit consists of an outer casing. And inner sheath At the same center as the outer casing The short and shallow grooves are arranged along the circumference on the outer surface of the casing. The inside position is adjacent to the lower wall of the outer casing and the pistons are aligned with the hem. Which is in close contact with the cheekbones Outside of the inner casing And was placed in such a way that When the hem is positioned in a short, shallow groove, the fluid flow path connects to the inside of the container through the channel. Space between the male part around 7. The trigger dispenser consists of a container, a pump unit with a cylinder and a plunger, a discharge pipe (F) with a discharge port. And the trigger for making the piston move around where the liquid is sucked up from the dispenser container through the outlet port. By the movement of the piston to At the end of the seizure period, which has a unique feature that The bottom wall (97) of the inner casing (92) of the cylinder (91) is formed with a hole (98) in its center. The hole (98) connects to the upper end of the flow path. Liquid (99) The flow path of such liquid (99) is welded to the container. A shallow and short groove (301) is located in the region between the outer surfaces of the The inner casing (92) and the bottom wall (100) of the cylinder (91) the annular male part (96) of the piston (93) are inserted into the short and shallow groove (301) on the end of the range. whip Therefore, the fluid flow path (303) connects to Inside of the container Through the gap between the inner surface of the piston (93) and the front surface Outside of the inner casing (92) 8. The trigger dispenser consists of a container, a pump unit with a cylinder and a plunger, a discharge tube (F) with a discharge port (5), and a trigger to move the piston around where the liquid is. That is sucked up from the container is dispensed through the outlet. By the movement of the piston Still late It is unique in that a hole (321) is formed in the center of the bottom wall (311) of the cylinder (310). The hole (321) connects to the fluid flow path (319), which connects to the inside. The holes (321) are closed by the elastic valve (323), which is in contact with the flexible surface. The outside of the bottom wall (311) and the bolt body (330) are arranged in the center of the piston (312) to the bottom wall (311) of the cylinder (310) and are arranged in such a way that when the piston (312) Arriving at the end of the stroke, the front end (331) of the bolt body (330) causes the elastic valve (323) to change through the hole (321), so the cylinder chamber (332) is connected to the flow path. Liquid (319) 9. Trigger dispenser according to claim 2, where the fluid pilot (403) is arranged in the fluid flow path (407) that is arranged at the source side relative to the compartment. The fluid pilot (403) consists of a valve body (410) for blocking the flow of fluid (407), a pressure sleeve (411) formed into one piece of the valve body. 417) that connects the valve body (410) and the pressure sleeve (411) through the opening (420). The pilot sleeve (417) of the fluid pilot (403) is slidable into the The inside of the pilot sleeve (418) of the spin part (404), the valve body (410), is actuated by a spring (413) between the pilot sleeve (417) and the pilot sleeve (418) to close the fluid flow path (407). ) And the pressure sleeve (411) have a pressure bearing face (411) facing the source side of the Liquid flow path (407) for receiving fluid pressure. The area of the pressure surface (414) is selected in such a way that the force The correct liquid supply pressure, which was applied to the pressure surface (411), was greater than the sum of the elastic force of the spring component (413) and the force acting on the pressure surface (414). And is turned to the destination side of the fluid flow path (407) 1 0. Trigger-operated dispenser according to claim 6, where the fluid pilot (3) is arranged in the fluid flow path (7 ) That was set at The source side, compared to the outlet port (5), the fluid pilot (3) consists of a valve body (10) for blocking the flow of fluid (7) a pressure sleeve (11) formed into one piece. Together with valve (10), retaining part (12) is fixed to the supply pipe. And a spring part (13) for connecting the valve body (10) and the pressure sleeve (11) formed into one such piece. The anchor section (12) The pressure sleeve (11) has a pressure bearing surface (14) facing the upstream side. Of the fluid flow path (7) for receiving the pressure of the liquid Areas of the pressure-treated face (14) are selected in such a way that The resulting force By correct liquid supply pressure It is applied to the pressure-bearing surface (14) greater than the sum of the elastic force of the spring part (13) and the force acting on the valve body (10) and is turned to the side. Destination of the fluid flow path (7) 1 1. Trigger liquid dispenser according to claim 6, where the fluid pilot (403) is arranged in the fluid flow path (407) arranged at the source side. Compared to the outlet port (405), the fluid pilot (403) consists of a valve body (410) for blocking the flow of fluid (407), a pressure casing (411), being formed into one piece. Valve (410) The pilot sleeve (417) that connects the valve body (410) and the pressure sleeve (411) through the opening (420) the pilot sleeve (417) of the fluid pilot (403) is slidable. to The inside of the pilot sleeve (418) of the spin part (404), the valve body (410), is actuated by a spring (413) between the pilot sleeve (417) and the pilot sleeve (418) to close the fluid flow path (407). ) And the area of the pressure face (414) is selected in such a way that the force exerted by the correct liquid supply pressure Which was applied to the pressure surface (411) greater than the sum of the elastic force of the spring part (413) and the force acting on the pressure surface (414), and was turned towards the end of the Liquid flow path 1 2. Trigger dispenser according to claim 7, where the fluid pilot (3) is arranged in the fluid flow path (7) that is arranged at the source side relative to the discharge outlet (5). The fluid pilot (3) consists of a valve body (10) for blocking the flow path (7), a pressure sleeve (11) formed into one piece of the valve body (10), an anchor element (12). ) Is fixed to the supply pipe. And a spring element (13) for connecting the valve body (10) and the formed pressure sleeve (11) to the retaining element (12) thereof (11). It has a pressure-treated surface (14) facing the upstream side. Of the fluid flow path (7) for the pressure of the liquid Areas of the pressure-treated face (14) are selected in such a way that The resulting force By correct liquid supply pressure Which was directed to the pressure face (14) greater than the sum of the elastic force of the spring part (13) and the force acting on the valve body (10) and is turned to the side Destination of the fluid flow path (7) 1 3. Trigger liquid dispenser according to claim 7, where the fluid pilot (403) is arranged in the upstream (407) fluid flow path compared to the outlet (405). The pilot fluid (408) consists of a valve body (410) for blocking the flow of fluid (407), a pressure sleeve (411) formed into one piece of the valve body (410), a pilot sleeve (417), where It is connected to the valve body (410) and the pressure sleeve (411) through the cover (420). The pilot sleeve (417) of the fluid pilot (403) is slidable into the The inside of the pilot sleeve (418) of the spin part (404), the valve body (410), is actuated by a spring (413) between the pilot sleeve (417) and the pilot sleeve (418) to close the fluid flow path (407). ) And the pressure sleeve (411) has a pressure bearing surface (414) facing upwards. The fluid flow path (407) for the fluid pressure and the area of the pressure surface (414) is selected in such a way that the force exerted by the correct liquid supply pressure to be applied. It is directed towards the pressure-treated surface (411) greater than the sum of the elastic force of the spring part (413) and the force acting on the pressure-treated surface (414) and is turned towards the destination side of the flow path. Of liquid (407) 1 4. Trigger-operated liquid dispenser according to claim 8, where the fluid pilot (3) is positioned in the fluid flow path (7) at the The source side, compared to the outlet port (5), the fluid pilot (3) consists of a valve body (10) for blocking the flow of fluid (7) a pressure sleeve (11) formed into a single piece. Together with the valve body (10), anchor element (12) is fixed to the supply pipe. And a spring element (13) for connecting the valve body (10) and the formed pressure sleeve (11) to the Bonding element (12) The pressure sleeve (11) has a pressure bearing face (14) facing the source side. Of the fluid flow path (7) for receiving the pressure of the liquid Areas of the pressure-treated face (14) are selected in such a way that The resulting force By correct liquid supply pressure It is applied to the pressure-bearing surface (14) greater than the sum of the elastic force of the spring part (13) and the force acting on the valve body (10) and is turned to the side. Destination of the fluid flow path (7) 1 5. Trigger liquid dispenser according to claim 8, where the fluid pilot (403) is arranged in the fluid flow path (407) that is arranged on the upstream side relative to the outlet (405). The fluid pilot (403) consists of a valve body (410) for blocking the flow of fluid (407), a pressure sleeve (411) formed into one piece of the valve body (410), a pilot sleeve (417). Through the opening (420), the pilot sleeve (417) of the fluid pilot (403) is slidable into the valve body (410) and the pressure cover (411). The inside of the pilot sleeve (418) of the pin element (404), the pressure sleeve (411) has a pressure bearing face (414) facing the The source of the fluid flow path (407) for the fluid pressure and the area of the pressure surface (414) is selected in such a way that the force exerted by the correct liquid supply pressure. Which is applied to the pressure surface (411) greater than the sum of the elastic force of the spring part (413) and the force acting on the pressure surface (414) and is turned to the end of the Liquid flow path (407)