CN2398344Y

CN2398344Y - Improved dredger

Info

Publication number: CN2398344Y
Application number: CN 99248324
Authority: CN
Inventors: 黄金泉
Original assignee: JIANCHENG IND CO Ltd
Current assignee: JIANCHENG IND CO Ltd
Priority date: 1999-10-11
Filing date: 1999-10-11
Publication date: 2000-09-27
Anticipated expiration: 2009-10-11

Abstract

The utility model relates to a dredger. The outer wall of a pressing and supporting part is provided with an air hole, and a check valve seat is respectively plugged in the connecting position of a telescopic air sac and the pressing and supporting part, and the inner side of the telescopic air sac below the air hole of a pressing and supporting rod; the seat face of the check valve seat is provided with an air inlet, and a valve sheet is plugged in the check valve seat. Thereby, the dredging effect is improved.

Description

The dredging device of improvement

The utility model relates to a kind of dredging device.

At present, known dredging device structure, No. 343666 patent, No. 4745641 patent announcement of United States Patent (USP) are announced in Taiwan, both structures are identical, it comprises a shank and a pars contractilis 40 and spins and form, the convergence part 41 that this pars contractilis top is a closed, its bottom then has the protuberance of opening, the then parallel fold of 42 of convergence part 41 and protuberances portion; Exert pressure downwards and press when gripping shank; then the air in the fold portion can be oppressed and from the below outlet discharge; utilize above-mentioned design; when running into toilet or water pipe obstruction; opening with pars contractilis below protuberance stretches into or aims at the obstruction place, grips shank and exerts pressure downwards, and the air in the extrusion pars contractilis is pushed discharge from the opening discharge and with obturator; on actual the use, regular meeting has following unhappy phenomenon to produce.

Pars contractilis is the extension airbag that only has single opening, when the application of force during to lower compression, the former lower opening of filling in the extension airbag gas inside is discharged, but, when unclasping extension airbag, can produce a suction because of former compressed pars contractilis is inner when unclasping, make originally by the gas that pushes away down resorption again, at this moment, some block dirty thing and can be reversed in the lump in the suction pars contractilis together with gas, and then whole toilet filling the air dirty thing, again since known pars contractilis in exhaust and when air-breathing, the gas repetitiousness, repeat turnover, gas pressure is kept the fixed gas pressure in the extension airbag interval all the time, when still meeting more closely obturator, its pressure often is not enough to obturator is discharged, and causes its mediation poor effect.

In view of this, the purpose of this utility model provides a kind of dredging device of improvement, and it is to have the accumulation of energy function, in use effective cumulative stress and obturator is pushed discharge smoothly.

The purpose of this utility model is achieved in that a kind of dredging device of improvement, comprise a press keeping section and connect the hollow form extension airbag of its bottom, wherein, press keeping section is the empty body of rod in, the extension airbag bottom offers an opening and its perisporium is the utricule of continuous fold section, it is characterized in that: the press keeping section outer wall is provided with pore, the extension airbag inboard of the pore below of extension airbag and press keeping section junction and pressure holding bar plugs a non-return valve seat, the seat surface of this non-return valve seat is provided with air inlet, and this non-return valve seat plugs a valve block again.

The sheathed rubber seal ring of described extension airbag bottom opening.

The centre of described non-return valve seat has a fixing hole, and has a pushing shape bead in the middle of end face projection one fixed bar of described valve block and this fixed bar.

Owing to adopt such scheme: improve the mediation effect greatly.

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

Fig. 1 is the utility model first embodiment exploded view;

Fig. 2 makes up schematic diagram for the utility model first embodiment;

Fig. 3 is first kind of movement state diagram of the utility model first embodiment;

Fig. 4 is the partial enlarged drawing of the utility model first embodiment Fig. 3;

Fig. 5 is second kind of movement state diagram of the utility model first embodiment;

Fig. 6 is the partial enlarged drawing of the utility model first embodiment Fig. 5;

Fig. 7 is the third movement state diagram of the utility model first embodiment;

Fig. 8 is the partial enlarged drawing of the utility model first embodiment Fig. 7;

Fig. 9 is the 4th kind of movement state diagram of the utility model first embodiment;

Figure 10 is the portion that the keeps away enlarged drawing of the utility model first embodiment Fig. 9;

Figure 11 the utility model second embodiment assembled sectional view;

Among the figure: press keeping section 1 section of being spirally connected 11 levers 12 pores 13 flat ends 14 extension airbags 2 are connected section 21 openings 211 non-return valve seats 22 air inlets 221 valve blocks 222 openings 23 continuous fold section 24 joint rings 25 toilets 3 drain 31 water falling holes 4 fixing holes 220 fixed bars 2220 beads 2221

As shown in Figure 1, 2, first embodiment comprises the hollow extension airbag 2 that a press keeping section 1 and is connected press keeping section 1 below, wherein:

Press keeping section 1 is the empty body of rod in, its bottom moulding place has internal thread and is the section of being spirally connected 11 of open end, and dig at the bar wall and to establish some pores 13 at lever 12 places, the nearly top of the body of rod, and press keeping section 1 outer gas is communicated with the inside part and the section of being spirally connected 11 of the body of rod through pore 13;

Extension airbag 2 is empty pocket bodies in, the top cooperates the internal thread shape section of being spirally connected 11 moulding place of press keeping section 1 to have the linking section 21 of place's screw thread, the two can spin mutually to make press keeping section 1 and extension airbag 2, be connected section 21 ends and be provided with an opening 211, plug a non-return valve seat 22 in this opening 211, these non-return valve seat 22 seat surfaces dig establishes some air inlets 221, and pedestal central authorities have a fixing hole 220, can penetrate from bottom to top for the fixed bar 2220 in the middle of a valve block 222 tops and fix with the bead in the middle of the fixed bar 2,220 2221, valve block 222 is hindered in air inlet 221 belows, make only one-way flow and can not be reverse from lower to upper moving from top to bottom of gas; The utricule bottom also has an opening 23, then is continuous fold section 24 at extension airbag 2 perisporiums that are connected 23 of section 21 and openings, makes it have retractility.

Compound mode promptly as shown in Figure 2, to be mounted in the non-return valve seat 22 of valve block 222 in the extension airbag 2, this extension airbag 2 is connected section 21 with it again and revolves the section of being spirally connected 11 that is located at press keeping section 1, form a dredging device, the pore 13 of press keeping section 1 can be connected with extension airbag 2 inboards via air inlet 221, the pushing tow valve block 222 of empty inboard in the body of rod and non-return valve seat 22 again.

If when running into the toilet obstruction, then make extension airbag 2 stretch in the toilet 3, aim at logical (mouth) 31 of draining with its bottom opening 23, with press keeping section 1 past pressing down, make extension airbag 2 be the compression shape with compressing, make former at the valve block 222 sealing air inlets 221 of extension airbag 2 hollow gas inside because of ending net valve seat 22, make gas be extruded by outlet at bottom 23, and enter in the drain 31, at this moment, fold section 24 is compressive state continuously, shown in Fig. 3-6, when stopping to press down press keeping section 1, just ambient atmos enters in the body of rod from the hole 13 of press keeping section 1, and through the air inlet 221 of non-return valve seat 22, valve block 222 enters in the extension airbag 2 and is full of wherein, make continuous fold section 24 inner inflatable of extension airbag 2 and recover stretched condition automatically, still, the former gas that is extruded away, because of stopping of valve block 222 can not discharge from bottom to top, can be accumulated in 31 of extension airbag 2 and toilet drain always; Repeat above-mentioned action, owing to each compression extension airbag 2, and the air that enter in the drain 31 can oppositely not have external gas constantly to enter by valve block 222 discharges and lasting compression extension airbag always.Cause its pressure to continue accumulation and raise, form the gas of a higher pressure, the discharge of can simply obturator directly being extruded reaches the purpose and the effect of mediation.

The foregoing description is the mode of occupation when directly extruding discharge for obturator, otherwise, in the time of will blocking sucking-off as if desire, only need non-return valve seat 22 is placed upside down, shown in Fig. 7-10, make the valve block 222 of non-return valve seat 22 be positioned at air inlet 221 tops, can make dredging device have the effect of suction obturator.Shown in Fig. 7,8, when pressing down press keeping section 1 extension airbag 2 internal gas when downward, stopped by obturator, can only be upwards by air inlet 221 places of non-return valve seat 22 backing down valve block 222, and inside part that up enters press keeping section 1, and by pore 13 discharges, continuous fold section 24 to extension airbag 2 is compressive state, oppositely draws high press keeping section 1 and extension airbag 2, and then extension airbag 2 produces a suction, just obturator can be sucked extension airbag 2 inside, shown in Fig. 9,10.

Present embodiment also can be used in the obstruction mediation usefulness of general drain hole, gutter, can discharge or extract out the obturator that blocks water pipe smoothly, and the length of the press keeping section 1 of said structure is longer, and is more not easy to operate at the water falling hole on one section tank or ground.

As shown in figure 11, second embodiment has a press keeping section 1 and an extension airbag 2, wherein, press keeping section 1 also is inboard hollow form, the top is a flat end 14, these flat end 14 belows have pore 13 and communicate with press keeping section 1 inside, the then same section of being spirally connected 11 in bottom, this linking section 21 of extension airbag 2 tops plugs a non-return valve seat 22 in the opening 211 of this linking section 21, and pedestal is provided with some air inlets 221, and central authorities only are provided with the supplied gas valve block 22 of one-way flow from top to bottom, pedestal is provided with some air inlets 222, and extension airbag 2 bottoms then are the opening 23 of a sheathed joint ring 25, is being connected 23 of section 21 and openings, it is a continuous fold section 24, extension airbag 2 is placed on water falling hole 4 tops,, can produces the effect identical with first embodiment with the pull flat end 14 of press keeping section 1 of hand, if use when the water falling hole on ground, except that available hand is pressed, can also trample by pin, more laborsaving.

Advantage of the present utility model is as follows:

1, borrow to dredge the design of logos and utensils pore and non-return valve seat, automatic cumulative stress provides greatly pressure and can Obturator is pushed discharge smoothly, have better dredging effect.

2, non-return valve seat can forward and reversely arrange, can push and pumping function, and the requirement of visual use during use, Determine to adopt the mode of pushing, obturator is discharged or adopted Smoking regime with the obturator sucking-off.

3, pore is positioned on the press keeping section, and setting position is higher, and when being used for the dredging toilet, pore is higher than toilet Unlikely the flooding and pore of liquid in the liquid level, toilet also do not have in the press keeping section of infiltration.

Claims

1, a kind of dredging device of improvement, comprise a press keeping section and connect the hollow form extension airbag of its bottom, wherein, press keeping section is the empty body of rod in, the extension airbag bottom offers an opening and its perisporium is the utricule of continuous fold section, and it is characterized in that: the press keeping section outer wall is provided with pore, and the extension airbag inboard of the pore below of extension airbag and press keeping section junction and pressure holding bar plugs a non-return valve seat, the seat surface of this non-return valve seat is provided with air inlet, and this non-return valve seat plugs a valve block again.

2, by the dredging device of the described improvement of claim 1, it is characterized in that: the sheathed rubber seal ring of described extension airbag bottom opening.

3, by the dredging device of the described improvement of claim 1, it is characterized in that: the centre of described non-return valve seat has a fixing hole, and has a pushing shape bead in the middle of end face projection one fixed bar of described valve block and this fixed bar.