CN203603229U

CN203603229U - Air exhaust type plunger

Info

Publication number: CN203603229U
Application number: CN201320675051.5U
Authority: CN
Inventors: 王本
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-29
Filing date: 2013-10-29
Publication date: 2014-05-21
Anticipated expiration: 2023-10-29

Abstract

The utility model relates to a closestool dredging tool, specifically relates to a plunger, and more specifically relates to an air exhaust type plunger. According to the technical scheme of the utility model, the air exhaust type plunger comprises a sucker, wherein an exhaust cylinder is arranged at the back part of the sucker; the exhaust hole of the exhaust cylinder is communicated with an inner chamber of the sucker; a filtering component is arranged at the exhaust hole in which the sucker is communicated with the exhaust cylinder. Compared with the prior art, the plunger has the advantages of good dredging effect and is simple and convenient to operate since the exhaust cylinder is used, the air inside the sucker is completely exhausted through repeated sucking and exhaust, sufficient pressure of the ambient environment to the sucker is achieved, and the sucking force of the sucker to a water inlet of a closestool is increased.

Description

A kind of bleeder plunger

Technical field

The utility model relates to a kind of closestool dredging instrument, definite says a kind of plunger, and more definite is a kind of bleeder plunger.

Background technology

Plunger, cry again water pull out son (be exactly pond and toilet blocked up be used for dredging rubber lid), the instrument of dredging sewer, is made up of long handle and rubber bowl.

Traditional plunger, passes to stifled stream thing by generation pressure after sucker distortion merely and washes away, and reaches the object of dredging; This dredges passable for slight obstruction, but stops up for moderate, and because " back-off sucker shape " sucker volume is less than normal, in chamber, water capacity is limited, and pressure is large not, has dredging difficulty.For solving the inadequate problem of sucker internal pressure, existing way is to adopt the method for pressurizeing in rubber sucker, and existing way has:

1, adopt and ventilate in sucker, to reach supercharging, if the patent No. is ZL 201320212397.1 disclosed " a kind of plunger "; Under this kind of mode, in use, after gas passes into, the pressure in sucker increases, and sucker is subject to expansive force, and gas very easily leaks the edge lift of sucker, and does not reach effect.

2, adopt the mode of pressure of taking out, (only just starting, having a small amount of leakage) not increasing in sucker under air, increase the space in sucker, inhale the mode of pressing because it adopts, plunger edge seal is good, increases sucker internal gas pressure thereby reach; If the patent No. is ZL 201220048752.1 " skin plunger ", its structure is: comprise sucker, pipe, bar and piston, the lower end of pipe is connected with the back of sucker, the inner chamber of pipe communicates with the opening of sucker, piston is arranged in pipe, the inwall of piston and pipe is slidably matched, and the lower end of bar is connected with piston, outside the upper end of bar is free in by the opening of pipe upper end; Its mode of occupation is: sucker mouth is faced toward to water inlet, one is holding pipe, another hand pulls back bar, then by bar past post-tensioning together with cylinder, because bar pulls back, drive piston that pipe and the sucker cavity volume between communicating is increased, the air in cavity volume does not have more increase, and the external surface of outer bound pair sucker produces larger pressure; The skin plunger of said structure, although reach pressurized effect, but still there is following defect: 1) the skin plunger of said structure, its piston and cylindrical wall are sealed and matched, can only once aspirate, and just the gas in skin plunger inner chamber is transferred in the cylinder being communicated with it, not reduce; While pulling out skin plunger, need one to hold pipe, one holds bar, bar is fixed to (position by piston is fixed), otherwise, in the time pulling out plunger, it is large that cavity volume volume becomes, and the thrust that piston is resetted resets, and impact effect, so on the one hand, while causing pulling out plunger, need bimanualness, have unhandy defect; On the other hand, can only once aspirate the air in skin plunger, the effect of bleeding is limited, and it is not very desirable causing dredging effect; And pulling out in skin plunger process, piston is subject to certain reply suction, bar is more difficult to be held steady, and in the time of misoperation, easily makes the return of the certain stroke of piston, by the water extrapolation in suction pipe, easily produces and splashes, and pollutes.2) sucker and cylinder aspirating hole place are without seal, and dirt is easily drawn into, and result in blockage, and affect the normal use of skin plunger.

Summary of the invention

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of bleeder plunger that is equipped with pump bowl, realize suction repeatedly, air in sucker inner chamber is evacuated to the external world, reach the best and take out pressure effect, improve dredging effect, have easy to operately, and avoid water to spray the advantage of splashing.

For achieving the above object, the utility model provides following technical scheme: a kind of bleeder plunger, include sucker, and it is characterized in that: described sucker back is provided with pump bowl, the extract opening of described pump bowl is communicated with the inner chamber of sucker.

By adopting technique scheme, the mouthpiece cover of sucker is in toilet water inlet, the mouth lip of sucker is adjacent to and on nightstool wall, realizes sealing, repeatedly aspirate through pump bowl, gas in sucker inner chamber is evacuated to the external world, and the external surface of realizing outer bound pair sucker produces enough pressure, improves the suction of sucker to toilet water inlet, improve dredging effect, and controllability is good; And while stirring sucker, a hand can operate, operate more convenient, bleed after end, the piston of pump bowl can be pushed into bottom, while stirring sucker, piston can not move because of ambient pressure, the water ejection splash phenomena of avoiding piston to move causing, and pump bowl is easily to buy on existing market, cost is low.

The utility model is further set to: the gas outlet place that described sucker is communicated with pump bowl is provided with filter assemblies.

By adopting technique scheme, filter assemblies, for stopping the dirt of certain diameter, while avoiding pump bowl to bleed, causes the gas outlet of sucker blocked.

The utility model is further set to: described filter assemblies includes the filtering screen being fixed on sucker, filtering screen comprises with filtering the cover body of cavity and being fixed on the installation portion on sucker, the filtration cavity of filtering screen is communicated with the extract opening of pump bowl, on cover body, be densely covered with and be communicated with the filter mesh that filters cavity and sucker inner chamber, the cover body of filtering screen is placed in sucker inner chamber.

By adopting technique scheme, adopt filtering screen design, the filter mesh that gathers on the wall of cover body, the cover body that band filters cavity is placed in sucker inner chamber, forms three-dimensional filtering surface, and filter area is large, and vapour lock is little, forms effectively stopping and bleeding smooth and easy dirt.

The utility model is further set to: in the filtration cavity of described filtering screen, be filled with breathable filtering bodies.

By adopting technique scheme, further improve and filter, stop the effect of dirt.

The utility model is further set to: described filtering bodies is steel wool.

By adopting technique scheme, steel wool is because of its steel wool line length and many, and steel wire knitting wool is wound around mutually each other, be rendered as random, stir the three-dimensional shape closing confusedly, very loose, restorative good, good filtration effect and vapour lock are little, the while is cheap.

The utility model is further set to: described pump bowl includes cylinder, piston and pull bar, cylinder front end is fixed on sucker, the rear end of cylinder is provided with capping, the positioning through hole that capping end face is provided with venthole and passes for pull bar, the cavity of bleeding of cylinder is communicated with the inner chamber of sucker, described piston slippage is engaged in cylinder, pull bar one end passes and is provided with handle from the positioning through hole of capping, the pull bar other end stretches in cylinder and is connected with piston, described piston includes piston body and joint ring, piston body includes center column, center column one end is provided with secondary piston sheet, the center column other end is provided with back piston sheet, before, between back piston sheet, interval forms the cannelure of installing for joint ring, joint ring is assemblied in cannelure, between joint ring inner ring wall and cannelure bottom, leave leakage path, joint ring collar wall and cylinder inner wall are adjacent to and are sealed and matched, and cannelure has, and the axial displacement of the joint ring of confession realizes secondary piston sheet to secondary piston sheet place and cylinder inner wall is sealed and matched, and axial displacement to back piston sheet place realizes the displacement gap that back piston sheet and cylinder inner wall are sealed and matched, on described back piston sheet, offer the gas leakage through hole being communicated with leakage path in cannelure.

By adopting technique scheme, while bleeding, pull bar pulls back, after piston, move, be adjacent to the joint ring on cylindrical wall, along the displacement gap in cannelure, relatively move to secondary piston sheet place, realize being sealed and matched of secondary piston sheet and cylinder inner wall, realize sealing after by gas suction cylinder, then pushing piston, joint ring is along the displacement gap in cannelure, relatively move to back piston sheet place, there is gap in secondary piston sheet and cylinder inner wall, in cylinder, compressed gas is along the gap of secondary piston sheet and cylinder inner wall, the fit clearance of cannelure and joint ring, and gas leakage through hole on back piston sheet spills, complete and bleed, before employing, the design of back piston sheet, joint ring is in pull and pushing process, be moved to relevant position and front, back piston sheet coordinates, while realizing pull, piston and cylinder inner wall slippage are sealed and matched, when pushing, there is gas leakage gap in piston and cylinder inner wall, bleed reliable, efficiency is high, can realize simply and easily under state not, the different cooperations of piston and cylinder inner wall, component processing is convenient, simple in structure, cheap.

The utility model is further set to: in the cannelure of described piston, be circumferentially distributed with some support chips along center column, the inner ring of joint ring is supported on support chip, and between each support chip, interval forms described leakage path.

By adopting technique scheme, support chip plays installation supporting role to joint ring, realizes joint ring and is reliably arranged in cannelure, meanwhile, realizes and in cannelure, forms leakage path.

Below in conjunction with accompanying drawing, the utility model is further described.

Accompanying drawing explanation

Fig. 1 is the three-dimensional view of the utility model specific embodiment bleeder plunger;

Fig. 2 is the structural representation of the utility model specific embodiment bleeder plunger;

Fig. 3 is Fig. 2 A part partial enlarged view.

The specific embodiment

Referring to accompanying drawing 1 to accompanying drawing 3, the disclosed a kind of bleeder plunger of the utility model, include sucker 1, sucker 1 has the inner chamber 11 of a suction toilet water inlet, sucker 1 back is provided with pump bowl 2, be provided with screwed hole at sucker 1 back, the extract opening place of pump bowl 2 adopts screw thread spinning in screwed hole, and the extract opening 212 of described pump bowl 2 is communicated with the inner chamber 11 of sucker 1.The parts of pump bowl 2 for can directly buying on existing market, the pump bowl structure of selecting in this specific embodiment is: include cylinder 21, piston 22 and pull bar 23; Cylinder 21 front ends have screwed pipe 211, and cylinder 21 is realized and being fixedly assemblied on sucker 1 in the screwed hole of sucker 1 through screwed pipe 211 spinnings, and the oral area of screwed pipe 211 is extract opening 212; The rear end of cylinder 21 is provided with capping 213, the positioning through hole that capping 213 end faces are provided with two ventholes 2131 and pass for pull bar 23; The cavity 214 of bleeding of cylinder 21 is communicated with the inner chamber 11 of sucker 1, and piston 22 slippages are engaged in cylinder 21; Pull bar 23 one end pass and are provided with handle 24 from the positioning through hole of capping 213, and pull bar 23 other ends stretch in cylinder 21 and are connected with piston 22.Described piston 22 includes piston body 221 and joint ring 222, piston body 221 includes center column 2211, and center column 2211 is fixedly mounted on pull bar 23, and center column 2211 one end are provided with secondary piston sheet 2212, and center column 2211 other ends are provided with back piston sheet 2213, between forward and backward

piston sheet

2212,2213, interval forms the cannelure 2214 of installing for joint ring 222, in this specific embodiment, in cannelure 2214, be circumferentially distributed with some support chips 2215 along center column 2211, joint ring 222 is assemblied in cannelure 2214, the inner ring wall of joint ring 2214 is supported on support chip 2215, between support chip 2215, interval forms leakage path 2216, forms leakage path 2216 like this between joint ring 222 inner ring walls and cannelure 2214 bottoms, joint ring 222 collar wall and cylinder 21 inwalls are adjacent to and are sealed and matched, and cannelure 2214 has for displacement gap 2217 in displacement gap 2217(Fig. 3 of joint ring 222 axial displacements between joint ring 222 and back piston sheet 2213, in the time that joint ring 222 displacements abut in back piston sheet 2213, displacement gap 2217 is between joint ring 222 and secondary piston sheet 2212), joint ring 222 is moved to secondary piston sheet 2212 places along displacement gap 2217, joint ring 222 inner ring walls coordinate with secondary piston sheet 2212 limit portion press seals, the collar wall of joint ring 222 coordinates with cylinder 21 inner wall sealings, realize joint ring 222 to the sealing between secondary piston sheet 2212 and cylinder 21 inwalls, joint ring 222 is moved to back piston sheet 2213 places along displacement gap 2217, joint ring 222 inner ring walls coordinate with secondary piston sheet 2212 limit portion press seals, and the collar wall of joint ring 222 coordinates with cylinder 21 inner wall sealings, on back piston sheet 2213, offer the gas leakage through hole 2218 being communicated with the interior leakage path 2216 of cannelure 2214, like this in the time that joint ring 222 is positioned at secondary piston sheet 2212 place, while being pull state, piston 22 coordinates with cylinder 21 inner wall sealings, realize the gas in sucker 1 is evacuated in cylinder 21, in the time that joint ring 222 is positioned at back piston sheet 2213 place, push state, gas is compressed, spill along displacement gap 2217-leakage path 2216-gas leakage through hole 2218, interior pump bowl 2 gas is extruded, thereby complete, the gas in sucker 1 inner chamber 11 is evacuated to the external world.The pump bowl 2 of this structure, while bleeding, sealing is reliable, and when pushing exhaust, gas leaks outside reliably, thereby realization reliably bleed, the required precision of each accessory is relatively low, easy to manufacture, cost is low.

The gas outlet place that described sucker 1 is communicated with pump bowl 2 is provided with filter assemblies 3.Described filter assemblies 3 includes the filtering screen 31 being fixed on sucker 1, filtering screen 31 comprises with filtering the cover body 311 of cavity and being fixed on the installation portion on sucker 1, the filtration cavity of filtering screen 31 is communicated with the extract opening 212 of pump bowl 2, on cover body 311, be densely covered with and be communicated with the filter mesh 3111 that filters cavity and sucker 1 inner chamber 11, the cover body 311 of filtering screen 31 is placed in sucker 1 inner chamber 11.In the filtration cavity of described filtering screen 31, be filled with breathable filtering bodies 32.Described filtering bodies 32 is steel wool; Steel wool is because of its steel wool line length and many, and steel wire knitting wool is wound around mutually each other, be rendered as random, stir the three-dimensional shape closing confusedly, very loose, restorative good, good filtration effect and vapour lock are little, simultaneously cheap.Filtering screen 31 can be for arranging net, and the oral area of arranging net passes the screwed hole on sucker and turns up to screwed hole end, packs pump bowl 2 into, and the screwed pipe 211 of pump bowl 2 will be arranged net and is fixed; Certainly filtering screen 31 also can adopt gauze wire cloth or metal otter board to be pressed into etc.

The using method of the bleeder plunger of this specific embodiment is: by the mouthpiece cover of sucker 1, in toilet water inlet, the mouth lip of sucker 1 is adjacent to and on nightstool wall, realizes sealing; The pull bar 23 of pull and pushing pump bowl 2 repeatedly, pump bowl 2 aspirates repeatedly to the air in sucker 1, gas in sucker 1 inner chamber 11 is evacuated to the external world, the external surface of outer bound pair sucker 1 produces enough pressure, and sucker 1 is out of shape, and holds cylinder 21, pull out sucker 1, sucker recovers, and toilet water inlet is produced to larger suction, reaches good dredging effect; When use, can, according to actual conditions, control the number of times of bleeding, control the suction of sucker 1 to water inlet, controllability is good; And while stirring sucker 1, a hand can operate, operate more convenient, bleed finish after, the piston 22 of pump bowl 2 can be pushed into bottom, while stirring sucker 1, piston 22 can be because ambient pressure moves, the water ejection splash phenomena of avoiding piston 22 to move causing, and pump bowl 2 is easily buied on existing market, pump bowl 2 costs of selecting are also lower, and plunger cost of the present utility model is low, are applicable to promoting the use of in family.

Claims

1. a bleeder plunger, includes sucker, it is characterized in that: described sucker back is provided with pump bowl, and the extract opening of described pump bowl is communicated with the inner chamber of sucker, and the gas outlet place that described sucker is communicated with pump bowl is provided with filter assemblies.

2. bleeder plunger according to claim 1, it is characterized in that: described filter assemblies includes the filtering screen being fixed on sucker, filtering screen comprises with filtering the cover body of cavity and being fixed on the installation portion on sucker, the filtration cavity of filtering screen is communicated with the extract opening of pump bowl, on cover body, be densely covered with and be communicated with the filter mesh that filters cavity and sucker inner chamber, the cover body of filtering screen is placed in sucker inner chamber.

3. bleeder plunger according to claim 2, is characterized in that: in the filtration cavity of described filtering screen, be filled with breathable filtering bodies.

4. bleeder plunger according to claim 3, is characterized in that: described filtering bodies is steel wool.

5. according to the bleeder plunger described in claim 1 or 2 or 3 or 4, it is characterized in that: described pump bowl includes cylinder, piston and pull bar, cylinder front end is fixed on sucker, the rear end of cylinder is provided with capping, the positioning through hole that capping end face is provided with venthole and passes for pull bar, the cavity of bleeding of cylinder is communicated with the inner chamber of sucker, described piston slippage is engaged in cylinder, pull bar one end passes and is provided with handle from the positioning through hole of capping, the pull bar other end stretches in cylinder and is connected with piston, described piston includes piston body and joint ring, piston body includes center column, center column one end is provided with secondary piston sheet, the center column other end is provided with back piston sheet, before, between back piston sheet, interval forms the cannelure of installing for joint ring, joint ring is assemblied in cannelure, between joint ring inner ring wall and cannelure bottom, leave leakage path, joint ring collar wall and cylinder inner wall are adjacent to and are sealed and matched, and cannelure has, and the axial displacement of the joint ring of confession realizes secondary piston sheet to secondary piston sheet place and cylinder inner wall is sealed and matched, and axial displacement to back piston sheet place realizes the displacement gap that back piston sheet and cylinder inner wall are sealed and matched, on described back piston sheet, offer the gas leakage through hole being communicated with leakage path in cannelure.

6. bleeder plunger according to claim 5, is characterized in that: in the cannelure of described piston, be circumferentially distributed with some support chips along center column, the inner ring of joint ring is supported on support chip, and between each support chip, interval forms described leakage path.