CN201474036U

CN201474036U - Drain cleaner

Info

Publication number: CN201474036U
Application number: CN2009201582432U
Authority: CN
Inventors: 余锦波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-08
Filing date: 2009-06-08
Publication date: 2010-05-19
Anticipated expiration: 2019-06-08

Abstract

A drain cleaner comprises an air inlet drum, a piston, an air storage drum, a trigger, an inflating valve and a safety valve, wherein air pressed out of the air inlet drum enters the air storage drum through the one-way inflating valve and the piston; an air outlet pipe inside the air storage drum is communicated with the outside; and after the high-pressure air enters the air drum, the trigger can be pulled to eject the high-pressure air out of the air outlet pipe, so as to generate a strong pressure inside the clogged pipe and achieve the purpose of drain cleaning. The drain cleaner with simple and reasonable structure and good drain cleaning effect has extremely high popularization value.

Description

Pipeline drainer

Technical field

This practicality is novel small-sized mediation equipment. particularly relates to and is used for the device that family's coloured glaze is threaded a pipe.

Background technology

China's utility model patent discloses a kind of pipeline drainer No. 97234902.2, as shown in Figure 1, it comprises handle, inflating rod, leather cup, air induction mast, gas port and the formations such as unidirectional valve inside that are connected with gas port, this pipeline drainer also comprises gas receiver, piston, sealing cap, conduit, for a short time gag somebody and trigger, the gas receiver upper end is provided with position-limiting tube, offer a negative pressure air-out through hole on the position-limiting tube tube wall, the aperture is equipped with one and gags somebody for a short time, for a short time gag somebody and be connected in the trigger end face, position-limiting tube also is built-in with a piston, the piston lower end offers a hole, the gas receiver lower end is provided with a upwardly extending conduit, this conduit is in communication with the outside, and conduit and piston piece also are provided with sealing cap.Yet the pipeline drainer in the utility model in use has place not fully up to expectations, and at first, its trigger configuration adopts to gag somebody for a short time and connects the trigger end face, and sealing effectiveness is bad, and is exposed to the easy contaminated damage in outside, weakens sealing effectiveness.In addition, the easy hyperinflation of this pipeline drainer causes the intensity of structure to be weakened, thereby has shortened the application life of product; At last, the conduit intensity of gas receiver is not good, shakes easily in the use.

The utility model content

For addressing the above problem, the utility model provides a kind of pipeline drainer, this pipeline drainer comprises an injection section and a gas storage part, this injection section connects a transition chamber thereof by a unidirectional valve cock, this transition chamber thereof is communicated with gas storage part by a hole piston, and this gas storage part comprises an air storage chamber and a conduit, and an end of conduit is in communication with the outside, the other end is to be communicated with gas storage, and relative with piston position; Pipeline drainer in the utility model also comprises a trigger configuration, it comprises a trigger, a control valve, in the air guide channel that this control valve is arranged on transition chamber thereof is connected, this control valve comprises a valve rod, a sealing ring, upper valve body and a following valve body and a spring, the valve rod end forms bonnet, sealing ring is placed on the bonnet, and spring is matched with between upper valve body and the following valve body, and the lower surface of following valve body and trigger are to cooperating, following valve body has inner chamber, can form interference fit with valve rod in the inner chamber.

Operating principle of the present utility model is, injection section is pressed into the transition air chamber by unidirectional valve cock with air, and compressed air is pressed onto closes ducts on the conduit by the transition air chamber with piston again, inflates to air storage chamber by the hole on the piston simultaneously.At this moment, trigger only with the following valve body bottom connection place of control valve, bonnet seals air guide channel by sealing ring, thus the transition air chamber can not leak gas, and can inflate to air storage chamber smoothly by injection section; Behind the certain number of times of inflation, cocking, trigger will descend valve body to push upper valve body and compression spring between the two to, simultaneously, following body cavity matches with valve rod, bonnet is pushed open from the air guide channel mouth, at this moment, transitional gas indoor since air pressure greater than ambient pressure, compressed gas in it is known from experience from the air guide channel outflow, and makes the indoor air pressure of transitional gas reduce, because the transitional gas room pressure reduces, be in than the compressed air in the air storage chamber of hyperbar and can promote piston, thereby make piston separate with closely cooperating of conduit towards transition air chamber motion; Piston is after the transition air chamber moves a bit of distance, and the aperture on it is closed, and piston promptly is pushed to transition chamber thereof faster, and in this process, a large amount of compressed air in the air storage chamber will penetrate from conduit at short notice, can play the effect of dredging pipeline.

Preferably, have a gas outlet on the air storage chamber, this gas outlet is provided with a negative pressure relief valve.By safety valve is set, after the air storage chamber internal gas pressure reached predetermined value, safety valve i.e. pressure release voluntarily, thereby the overall construction intensity that has guaranteed device does not reduce because of overcharging.

Preferably, between described conduit and air storage chamber, be provided with the conduit fixed disk, have axial hole, the voltage supply gas that contracts to pass on this fixed disk.By the conduit fixed disk is set, the relative position of conduit and air storage chamber is fixed, thereby has strengthened structural strength, will lack in the use the rocking of conduit.

The utility model is simple and reasonable for structure, and the trigger configuration sealing that has solved pipeline drainer of the prior art is poor, easily because of overcharging the problem that structural damage intensity and conduit rock easily.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Figure 1A is a structural perspective of the present utility model;

Figure 1B cross-sectional view of the present utility model;

Structural representation when Fig. 2 remains static for cocking mechanism;

Structural representation when Fig. 3 pulls state for cocking mechanism is in;

Fig. 4 is the structural representation of leaving air control valve core of the present utility model;

Fig. 5 is the structural representation of unidirectional valve cock of the present utility model;

Fig. 6 is the structural representation of safety valve of the present utility model;

Reference numeral

Gas receiver 1, air induction mast 2, inflator packing ring 3, escape pipe stator 4, escape pipe sealing cap 5, piston 6, safety valve 7, pressurizing ring 8, air induction mast nut 9, push away gas bar 10, handgrip 11, trigger 12, transition chamber thereof 13, leaving air control valve core 14, valve cock 15, slide core 16, sealing ring 17, leaving air control valve core sealing ring 18, air guide channel 19, sealing ring 20, safety plate 21, escape pipe 22, negative pressure air-out hole 23, venthole 24, piston aperture 25

The specific embodiment

With reference to Figure 1A, 1B, the utility model provides a kind of pipeline drainer, this pipeline drainer comprises an injection section 100 and a gas storage part 200, this injection section 100 connects a transition chamber thereof 13 by a unidirectional valve cock 15 (Fig. 5), this transition chamber thereof 13 is communicated with gas storage part 200 by a hole piston 6, and this gas storage part 200 comprises an air storage chamber 1 and a conduit 22, and an end of conduit 22 is in communication with the outside, the other end is communicated with air storage chamber 1, and relative with piston 6 positions.

With reference to Fig. 1,2,3,4, pipeline drainer in the utility model also comprises a trigger configuration 300, it comprises a trigger 12, a control valve 14, this control valve 14 is arranged in the air guide channel 19 that is connected with transition chamber thereof 13, this control valve 14 comprises a valve rod 141, a sealing ring 142, upper valve body 143 and a following valve body 144 and a spring 145, valve rod 141 ends form bonnet 146, and sealing ring 142 is placed on the bonnet 146, spring 145 is matched with between upper valve body 143 and the following valve body 144, match with trigger 12 in the lower surface of following valve body 144, following valve body 144 has inner chamber, can form interference fit with valve rod 141 in the inner chamber.

Shown in Figure 1A, 1B, this injection section 100 by handgrip 11, push away gas bar 10, pressurizing ring 8, air induction mast 2, unidirectional valve cock 15 and form, 15 of unidirectional valve cocks are by valve cock and place slide core 16 and sealing ring 17 in the valve cock to form.

Load onto escape pipe stator 4, make the escape pipe and the piston 6 same centers of circle, prevent escape pipe 22 displacements, gas leakage, air induction mast nut 9 can be fixed on the air induction mast 2 pushing away gas bar 10, and circulation pushes away gas bar 10 and can not skid off in air induction mast 2 when inflating.

Comprehensive said structure, so air-flow enters piston 6 by valve cock 15 opening parts when inflating, withstanding escape pipe sealing cap 5 after piston is gone out seals escape pipe and makes gas receiver 1 form gas, make gas enter gas receiver 1 from the aperture 25 on piston 6 limits, bleed when returning when pushing away gas bar 10, gas receiver 1 forms the gas negative pressure, makes the slide core 16 automatic bounce-backs in the valve cock upwards compress sealing ring 17, therefore the number of times of inflating is many more, and the air pressure of gas receiver is just big more.

In order to prevent gas leakage, in the middle of the threaded engagement of gas receiver 1 and air induction mast 2, used inflator packing ring 3, leaving air control valve core sealing ring 18, valve cock slide core sealing ring 17, make the gas in the inflator keep not leaking outside.

With reference to Figure 1B, 6, too high in order to prevent the air pressure in the gas receiver 1, on air induction mast 2, established a safety valve 7, the inside is made up of safety plate 21 sealing rings 20, when gas receiver 1 internal gas pressure surpasses normal barometric pressure, gas breaks through safety plate 21 automatically discharges to the venthole 24 on the safety valve 7, plays safety effect.

When inflating for the second time, push away the gas bar and promote pressurizing ring, gas is entered in gas receiver 1 from valve cock 15 again, and so continuous reciprocation cycle makes the air pressure in the gas receiver 1 increasing, gets to the requirement that has reached dredging pipeline about 20 times.Cocking 12 this moment, trigger 12 promotes leaving air control valve core 14, make the sealing ring 18 moments disengaging air induction mast on the leaving air control valve core 14, break away from 23 (spaces that leaving air control valve core 14 cooperates with air induction mast 2), negative pressure air-out hole, 23 effusions from the negative pressure air-out hole immediately of the compressed air on piston 6 tops, the bounce-back at once under gas pressure of piston 6 this moment, detach tracheae sealing cap 5 fast, unclamp trigger 12, sealing ring 18 immediate replacements on leaving air control valve core 14 under the effect of spring are blocked negative pressure air-out hole 23, high pressure draught in the gas receiver 1 is discharged by escape pipe 22, and produce one shock wave, form powerful explosive force, impact the foreign material that are blocked, reach the purpose of dredging pipeline.

Claims

1. pipeline drainer, this pipeline drainer comprises an injection section and a gas storage part, this injection section connects a transition chamber thereof by a unidirectional valve cock, this transition chamber thereof is communicated with gas storage part by a hole piston, this gas storage part comprises an air storage chamber and a conduit, one end of conduit is in communication with the outside, and the other end is to be communicated with gas storage, and relative with piston position; It is characterized in that: also comprise a trigger configuration, it comprises a trigger, a control valve, in the air guide channel that this control valve is arranged on transition chamber thereof is connected, this control valve comprises a valve rod, a sealing ring, upper valve body and a following valve body and a spring, the valve rod end forms bonnet, sealing ring is placed on the bonnet, and spring is matched with between upper valve body and the following valve body, and the lower surface of following valve body and trigger are to cooperating, following valve body has inner chamber, can form interference fit with valve rod in the inner chamber.

2. a kind of pipeline sulphur according to claim 1 leads to device, and it is characterized in that: have a gas outlet on the air storage chamber, this gas outlet is provided with a negative pressure relief valve.

3. a kind of pipeline sulphur according to claim 1 and 2 leads to device, it is characterized in that: be provided with the conduit fixed disk between described conduit and air storage chamber, have axial hole, the voltage supply gas that contracts to pass on this fixed disk.