CN205444357U - Take vapour -pressure type pipeline dredging device of gasbag - Google Patents

Abstract

A pneumatic pipe dredger with an air bag belongs to the pipe dredging tool. It is composed of an air pump, a one-way valve, an air bag and a sequence valve. The air pump is connected to one end of the air bag through the one-way valve, and the other end of the air bag is connected to the sequence valve. When working, the air obtains pressure through the pump and is discharged into the air bag through the one-way valve. At this time, the air bag expands and forms a seal with the wall of the blocked pipe. When the pressure in the air bag is greater than the friction force set by the air bag sequence valve, the sequence valve is fully When it is opened, the pressure enters the airtight clogging chamber composed of the air bag, the wall of the clogging tube and the clogging material, and the clogging material is discharged out of the pipeline under the action of pressure. The utility model has simple structure and good dredging effect.

Description

A pneumatic pipe dredger with an air bag

technical field

The invention belongs to a pipeline dredging tool, in particular to an air pressure type pipeline dredger with an air bag.

Background technique

According to CN204510389U disclosed a kind of air pressure type pipe dredging device, because there is no one-way valve, the manual air pump cannot be used, and it adopts the installation trouble of the instant deflation valve in addition, and it is inconvenient to use.

Contents of the invention

The main purpose of the utility model is to provide a pneumatic pipe dredger with an air bag that can be used with a manual air pump and can be connected with a foot-operated air pump and an electric air pump, is simple to operate, and is suitable for home use.

A pneumatic pipe dredger with an air bag is composed of a pump, a one-way valve, an air bag and a sequence valve. The pump communicates with one end of the air bag through the one-way valve, and the other end of the air bag is connected with the sequence valve.

The pump includes a manual air pump, a foot-operated air pump, and an electric air pump;

One end of the manual air pump is provided with a one-way valve and is connected with the one-way valve. The manual air pump is composed of an outer tube, an inflating handle, a connecting rod, a piston rod, a piston, a piston ring, a connecting seat, and a sealing ring. One end of the outer tube is passed through a screw Connected with the connecting seat, a sealing ring is set between the outer tube and the connecting seat; an end cap is set at the other end of the outer tube; a piston is set inside the outer tube, the piston ring is set on the piston, one end of the piston rod is connected to the piston, and the other end of the Through the end cover and connected with the inflating handle through the connecting rod, the one-way valve is arranged in the connecting seat and communicated with the manual air pump through the connecting seat.

The left end of the airbag is provided with a left connection hole and communicates with the one-way valve through the left connection hole, the right end of the airbag is provided with a right connection hole, and the sequence valve is arranged in the right connection hole and connected with the air bag through the right connection hole;

The material of the airbag is rubber, silica gel or PU cloth;

The shape of the airbag is spherical, cylindrical, conical, stepped cylindrical, gourd-shaped, hemispherical, bowl-shaped or polygonal pyramid, and the surface of the airbag is smooth or provided with concave-convex ring ribs, vertical ribs, and friction grooves.

The airbag is a double-layer airbag. The double-layer airbag is composed of a thin-walled airbag and a thick-walled airbag. The thin-walled airbag is set in the cavity of the thick-walled airbag and connected together. The inner cavity of the thick-walled airbag is larger than the inner cavity of the thin-walled airbag.

The airbag is an axial limit airbag, and the axial limit airbag is composed of an airbag and a limit rod. One end of the limit rod is connected with the pump, and the other end of the limit rod passes through the air bag and is connected with the air bag and the sequence valve. The limit rod in the airbag cavity is provided with an axial long hole and a radial short hole, the axial long hole communicates with the radial short hole, the radial short hole communicates with the inner cavity of the airbag, and the sequence valve is set at one end of the axial long hole .

The sequence valve includes a plug, a plug, a connecting rope and a collar. The plug and the plug are connected as one. The connecting rope is connected, and the valve sleeve is arranged in the right connecting hole of the air bag.

The sequence valve is composed of a plug, a plug, a connecting rope and a collar, the plug and the plug are connected as a whole, and the plug is connected with the collar through a connecting rope.

Compared with the prior art, the utility model has the beneficial effects: the manual air pump adopted by the utility model has a simple structure and low cost; the sequence valve adopted by the utility model has a simple structure and is convenient to process, which reduces the purchase cost of the user and improves the efficiency of the product. Practicality and convenience; the axial limit airbag adopted by the utility model can limit the axial expansion of the airbag to provide a larger deflation space for the sequence valve, and prevent the sequence valve from being unable to deflate due to insufficient space in the blocked pipe; the utility model The double-layer airbag used can prevent the airbag from being worn and broken, and improve the service life of the airbag.

Description of drawings:

Fig. 1 is the principle diagram of pipeline dredging of the present utility model.

Fig. 2 is a basic structural diagram of a manual air pump in Embodiment 1 of the present invention.

Fig. 3 is a structural diagram of the second embodiment of the utility model using an air pump.

Fig. 4 is the structural diagram of the third embodiment of the utility model using a foot-operated air pump.

Fig. 5 is a structural diagram of an electric air pump used in Embodiment 4 of the utility model.

Fig. 6 is a connection structure diagram of a fourth embodiment of the utility model using a sequence valve and an air bag.

Fig. 7 is a structural diagram of the sequence valve of the fifth embodiment of the present invention.

Fig. 8 is a structural diagram of the sequence valve of the sixth embodiment of the present invention.

Fig. 9 is a structural diagram of Embodiment 7 of the present utility model.

Fig. 10 is a structural diagram of the eighth embodiment of the utility model.

Fig. 11 is a structural diagram of Embodiment 9 of the present utility model.

In the figure, W, blocked pipe wall, Q, blocked cavity, S, blocked object, 1, pump, 2, one-way valve, 3, manual pressure relief valve, 4, sealing device, 5, air bag, 6, sequence valve, 7. Inflating handle, 8. Connecting rod, 9. End cover, 10. Inflator, 11. Piston rod, 12. Sealing ring, 13. Piston, 14. Screw, 15. Connecting seat, 16. Left joint, 17. Soft Pipe, 18, right joint, 19, left clamp, 20 right clamp, 21, inflator, 22, inflator, 23, foot-operated air pump, 24, electric air pump, 25, valve sleeve, 26, plug, 27 , Blocking cover, 28, Connecting rope, 29, Collar, 30, Left quick connector, 31, Right quick connector, 32, Limit rod, 33, Axial long hole, 34, Axial short hole, 35, Thin wall Air bag, 36, thick-walled air bag.

detailed description

Embodiment 1: As shown in Fig. 1, the utility model is made up of pump 1, one-way valve 2, air bag 3 and sequence valve 4, and pump 1 communicates with one end of air bag 3 through one-way valve 2, and the other end of air bag 3 is connected with sequence valve 4 connections.

As shown in Figure 2, the pump 1 of the present embodiment adopts a manual air pump, and the manual air pump is composed of an inflating handle 7, a connecting rod 8, an end cover 9, an outer tube 10, a piston rod 11, a sealing ring 12, a piston 13, a screw 14 and a connection The right end of the outer tube 10 is connected to the connecting seat 15 through a screw 14, and a sealing ring is arranged between the outer tube 10 and the connecting seat 15; the left end of the outer tube 10 is provided with an end cap 9; The ring 12 is set on the piston 13, the right end of the piston rod 11 is connected to the piston 13, and the left end of the piston rod 11 is connected to the connecting rod 8; The pump handle is injection molded as one;

One end of the one-way valve 2 communicates with the manual air pump, and the other end communicates with the air bag 3; the one-way valve 2 is arranged on the connecting seat 15, and the connecting seat 15 is provided with an axial installation hole, and the left end of the axial installation hole is provided with a limit step , a ventilation hole is provided on the limiting step, and the check valve 2 is arranged in the axial mounting hole and is connected with the connecting seat 15 through the axial mounting hole and the limiting step and is limitedly sealed. One end of the one-way valve 2 is connected to the The manual air pump is connected; the right end of the axial installation hole is provided with a threaded hole, the left joint 16 is set in the threaded hole and connected with the connecting seat 15, and the other end of the check valve is connected to the air bag through the left joint 16, the hose 17 and the right joint 18 Connected, the hose 17 is arranged in the middle of the left joint 16 and the right joint 18 .

The model of the one-way valve is DN-10.

The left end of described air bag 3 is provided with left connection hole, and right joint 18 is arranged in the left connection hole and by left connection hole and left hoop 19, right joint and air bag are connected and fixedly sealed; The right end of air bag 3 is provided with right connection hole, The sequence valve 4 is arranged in the right connection hole, and the sequence valve 4 and the air bag 3 are connected and fixedly sealed through the right connection hole and the right clamp 20 .

As shown in Figures 6 and 7, the sequence valve 4 is composed of a valve sleeve 25, a plug 26, a plug 27, a connecting rope 28 and a collar 29, the plug 26 is connected with the plug 27 as a whole, and the plug 26 is set In valve sleeve 25 inner cavity, plug cover 27 is arranged on the outside of valve sleeve 25, and plug cover 27 is connected as a whole by connecting rope 28 in the middle of collar 29, and valve sleeve 25 is arranged in the right connecting hole of air bag 3, and valve sleeve 25 and The airbag 3 is connected and fixed and sealed by the right clamp 20 , and the collar 29 is sleeved on the periphery of the right end of the airbag 3 and connected with the airbag and connected with the right clamp 20 in a limited position.

The working principle of this embodiment: the air obtains pressure through the pump 1, and is discharged into the air bag 3 through the one-way valve 2. At this time, the air bag 3 expands and forms a seal with the blocked pipe wall. When the pressure in the air bag 3 is greater than the setting of the sequence valve 4 When the friction force is high, the sequence valve 4 is fully opened in an instant, and the pressure enters the airtight clogging cavity composed of the air bag 3, the clogging wall W and the clogging object Q, and the clogging object is discharged from the pipeline under the action of pressure.

Embodiment 2: As shown in Fig. 3, the pump 1 of the present embodiment selects the pump 22, the model of the pump 22 is MJ-2011, the pump 22 is connected with the one-way valve 2 through the pump nozzle 21, and the one-way valve 2 is connected with the soft Pipe 17 is connected; Other structures are identical with embodiment one. The model of the one-way valve 2 is DK-08.

Embodiment three: as shown in Fig. 4, the pump 1 of the present embodiment selects the foot-operated air pump 23, and the model of the foot-operated air pump 23 is MJ-2015, and the foot-operated air pump 23 is connected with the one-way valve 2 through the inflating nozzle 21, and the one-way valve 2 is connected with flexible pipe 17, and other structures are identical with embodiment one.

Embodiment 4: As shown in FIG. 5, the pump 1 of this embodiment selects an electric air pump 24, and the electric air pump 24 adopts the model of Blue Star brand, which is LC-XD-015, and other structures are the same as those in Embodiment 3.

Embodiment 5: As shown in FIG. 8, the sequence valve 4 of this embodiment is composed of a plug 26, a plug cover 27, a connecting rope 28 and a collar 29. ring connection. Other structures are the same as in Embodiment 1.

Embodiment 6: As shown in FIG. 9, the airbag 3 of this embodiment is a double-layer airbag, and the double-layer airbag is composed of a thin-walled airbag 35 and a thick-walled airbag 36. The thin-walled airbag 35 is set in the cavity of the thick-walled airbag 36 and Connected together, the inner cavity of the thick-walled airbag is larger than the inner cavity of the thin-walled airbag; the left end of the thin-walled airbag 35 communicates with the one-way valve 2 through the connecting seat 15 of the manual air pump 1, and the left quick connector 30 is arranged on the connecting seat 15 and passed through the hose. 17 communicates with the right quick connector 31, the right quick connector 31 is arranged on the left end of the thin-walled airbag 35 and the thin-walled airbag 35, the thick-walled airbag 36 and the right quick connector 31 are compressed and fixed by the left clamp 19, the thin-walled airbag 35 The right end is provided with a sequence valve 4, and the thin-walled airbag 35, the thick-walled airbag 36 and the sequence valve 4 are compressed and fixed by the right clamp 20. Other structures are the same as the first embodiment.

Embodiment 7: As shown in Figure 10, the airbag 3 of this embodiment is an axially limiting airbag, and the axially limiting airbag is set in the left connection hole of the airbag 3 by one end of the limiting rod 32 and passed through the left clamp 19 is connected and fixed. The left end of the limit rod 32 is provided with a right quick connector 31 and communicates with the hose 17 through the right quick connector 31. The hose 17 communicates with the one-way valve 2 through the left quick connector 30; the right end of the limit rod 32 wears Through the airbag 3 and connected with the airbag 3 and the sequence valve 4 through the right clamp 20, the limit rod 32 located in the cavity of the airbag 3 is provided with an axial long hole 33 and a radial short hole 34, and the axial long hole 33 and the radial The short holes 34 communicate, the radial short holes 34 communicate with the inner cavity of the airbag, and the sequence valve 4 is arranged at one end of the axial long hole 33; other structures are the same as in the first embodiment.

Embodiment 8: As shown in FIG. 11 , the airbag 3 of this embodiment is a double-layer airbag. The double-layer airbag is composed of a thin-walled airbag 35, a thick-walled airbag 36, and a limit rod 32. The limit rod 32 is arranged on the thin-walled airbag. 35, the two ends are respectively connected with the connecting holes of the thin-walled air bag 35, the left end of the stop rod 32 is provided with a right quick connector 31 and communicates with the flexible pipe 17 through the right quick connector 31, and the flexible pipe 17 passes through the left quick connector 30 It communicates with the one-way valve 2; the right end of the stop rod 32 passes through the air bag 3 and is connected with the air bag 3 and the sequence valve 4 through the right clamp 20, and the stop rod 32 located in the cavity of the air bag 3 is provided with an axial long hole 33 and The radial short hole 34, the axial long hole 33 communicates with the radial short hole 34, the radial short hole 34 communicates with the inner cavity of the airbag, and the sequence valve 4 is arranged at one end of the axial long hole 33; other structures are the same as in the first embodiment .

Embodiment 9: The pump 1 of this embodiment uses an electric air pump, and the model of the electric air pump is LC-XD-015 of the Blue Star brand.

Claims (7)

1. a Pneumatic pipeline drainer for band air bag, is made up of air pump, check valve, air bag and sequence valve, and air pump is connected with air bag one end by check valve, the other end order of connection valve of air bag；Described air pump includes hand air pump, foot-propelled air pump or electric air pump；Described air bag is double-layer air bag or axial limiting air bag；Described sequence valve includes plug, blanking cover, and plug connects as one with blanking cover.

The Pneumatic pipeline drainer of a kind of band air bag, is characterized in that: described hand air pump is the one in having structure:

(1) described hand air pump one end is provided with check valve, check valve is connected with hand air pump and connects with hand air pump, hand air pump is made up of outer tube, inflating bat-handle, connecting rod, piston rod, piston, piston ring, connection seat, sealing ring, one end of outer tube arranges connection seat, outer tube is provided with sealing ring with being connected between seat, outer tube be connected seat and connect and pass through sealing ring and screw and seal fixing, check valve is arranged on connection seat and connects with outer tube bore by connecting seat；The other end of outer tube connects end cap；Arranging piston in outer tube, piston ring set is on piston, and one end of piston rod connects piston, and the other end of piston rod is connected through end cap and by connecting rod with inflating bat-handle；

(2) described hand air pump is manual pump, and manual pump is provided with Air inflating valve and is connected with check valve by Air inflating valve.

A kind of Pneumatic pipeline drainer of band air bag, it is characterized in that: described air bag left end is provided with left connecting hole and is connected with check valve by left connecting hole, air bag right-hand member is provided with right connecting hole, and sequence valve is arranged in right connecting hole and is connected with air bag by right connecting hole.

A kind of Pneumatic pipeline drainer of band air bag, it is characterized in that: described double-layer air bag is made up of thin walled bladder and thick walled bladder; thin walled bladder is sleeved on thick walled bladder intracavity and links together, thick walled bladder inner chamber is more than thin walled bladder inner chamber.

A kind of Pneumatic pipeline drainer of band air bag, it is characterized in that: described axial limiting air bag is made up of air bag and gag lever post, gag lever post one end connects with air pump, the gag lever post other end through air bag and is connected with air bag and sequence valve, the gag lever post being positioned at airbag chamber is provided with axial long hole and radial direction short-bore, axial long hole communicates with radially short-bore, radially short-bore and air bag inner space, and sequence valve is arranged on one end of axial long hole.

The Pneumatic pipeline drainer of a kind of band air bag, is characterized in that: described plug is arranged on valve pocket inner chamber, and blanking cover is arranged on outside valve pocket, and blanking cover connects with passing through in the middle of the collar to be connected to restrict, and valve pocket is arranged in the right connecting hole of air bag.

The Pneumatic pipeline drainer of a kind of band air bag, is characterized in that: described blanking cover is connected with the collar by connecting rope.