CN2197156Y

CN2197156Y - Drainage pipe shaping apparatus

Info

Publication number: CN2197156Y
Application number: CN 94206602
Authority: CN
Inventors: 周德阳
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-03-01
Filing date: 1994-03-01
Publication date: 1995-05-17
Anticipated expiration: 2004-03-01

Abstract

The utility model relates to a drainage pipe cutter. The drainage pipe cutter is suitable for the partial cutting operation of water pipes when floor drainage heads of constructions are constructed. The drainage pipe cutter is composed of a joint, two spreading arms, a spring, and cutting blades. The top part of the joint is provided with a two-layer tower-shaped supporting shaft. The shaft of the two spreading arms is arranged on the lower end of the joint. The spring is arranged between the two spreading arms. The lower ends of the two spreading arms are provided with the cutting blades. The drainage pipe cutter can be matched with an electric drill. The external supporting force and the rotation of the spring are used for cutting the unnecessary part of a drainage pipe by the cutting blades. The utility model enables the fracture surface of the drainage pipe to smooth, which is favorable to install the drainage heads.

Description

Drainage pipe shaping apparatus

The utility model relates to a kind of drainpipe cutter, and water pipe partly excised operation when it was applicable to constructure ground dropping head constructing device.

The method of present constructure ground dropping head constructing device, be after floor ground grouting is solid firmly, to seal the drainpipe (drainpipe is divided into vertical tube and horizontal tube) that sets in advance, floor cement around its vertical tube, it is knocked out part, form a funnel-form, then vertical tube ground is given excision earlier with top afterwards, again with the hand-held tool of required degree of depth utilization pincers class again clamp remove part, this will help drain device can make dropping head low than floor after on it, will fill up cement around the dropping head more at last.

In the constructing device of above-mentioned dropping head, remove operation the second time of vertical tube, because of being adopts clamp type tool to give clamp removal person, so the section of vertical tube is suitable irregular.As not putting in order of section, dropping head promptly can't be firm be seated on the vertical tube, let alone also to fill up cement, if firmly dropping head is put, and fill up after the cement as long as once weight weight, put because of dropping head is unsteady, will make the cement of filling up around the dropping head break, cause the unfixing of dropping head and produce and move.If it is smooth to try to achieve better section, only have that slow work yields fine products and time-consuming plate pulls out smoothly, will waste many man-hours virtually.

The purpose of this utility model be to provide a kind of with drainpipe not part do not cut, make the section of pipe smooth rapidly, in order to the drainpipe cutter of installing constructure ground dropping head.

The utility model is to realize like this, this product system is combined by joint, two exhibition arms, spring and cutting blade, the bearing shaft of one two-layer tower shape is arranged at the joint top, be convexly equipped with semicircle earflap under the bottom, left dextrad, these earflap central authorities all have axis hole, moreover side then is provided with the triangle block before and after the joint;

Two exhibition arm shapes are identical generally, be rectangular, there is the catch and the slide glass of bending in the same way at two ends, and (back) side convexes with a sheet before the nearly top that coexists, wherein the number of axis piece order of an exhibition arm is one, and the number of axis piece order of another exhibition arm is two, this diaxon sheet has at interval, distance at interval is about the axle sheet thickness on the last exhibition arm, when combination, the axle sheet of last exhibition arm is inserted between the diaxon sheet of back one exhibition arm, three overlapping axle sheets is inserted between the earflap of joint again, and pass the axis hole of earflap with bolt, lock with two nuts again; Moreover aforementioned two exhibition arms are provided with lock dog in central authorities, can establish by the lateral internal lock on the lock dog and run through the bolt of open up arm, but and on the inboard aforementioned bolt that protrudes of two exhibition arms holding one spring, this spring force will make two to open up the arm start points and remain on maximum;

Person in addition, the slide glass of the axle sheet of two exhibition arm lower ends utilizes the open-work of slide glass, passes with bolt, passes two open-works on the semicircle cutting blade again, and pad last its go up the pad of tool open-work, at last with the nut locking, with cutting blade certain lock opening up the arm lower end.

Below in conjunction with Tu Tu and embodiment the utility model is described in detail.

Fig. 1 is the three-dimensional exploded view of the utility model.

Fig. 2 is the stereogram of the utility model.

Fig. 3 is the side view of the utility model.

Fig. 4 is the enforcement schematic diagram of the utility model.

Fig. 5 is the enforcement vertical view of the utility model.

Fig. 6 settles schematic diagram for the constructure ground dropping head.

Fig. 7,8 is the enforcement schematic diagram of the utility model cutting blade.

Consult shown in Figure 1, disclosing this cutter system among the figure is combined by joint (1), two exhibition arms (2), (3), spring (4) and cutting blade (5), the bearing shaft (6) of one two-layer tower shape is arranged at its center tap (1) top, this bearing shaft (6) is as organizing the usefulness of establishing by finding out among Fig. 4 with electric drill (3), be convexly equipped with semicircle earflap (7) under joint (1) the bottom, left dextrad, earflap (7) central authorities all have axis hole (8); Moreover side then is provided with triangle block (9) before and after the joint (1).

Two exhibition arms (2), (3) shape is identical generally, be rectangular, there is the catch (10) of bending in the same way at two ends, (11) and slide glass (12), (13), coexisting, (back) side convexes with a sheet (14) before the nearly top, (15), axle sheet (14) number of wherein opening up arm (2) is one, and axle sheet (15) number of exhibition arm (3) is two, this diaxon sheet (15) has at interval, distance at interval is about axle sheet (14) thickness that exhibition arm (2) is gone up, when combination, the axle sheet (14) of exhibition arm (2) is inserted between the diaxon sheet (15) of exhibition arm (3), again with three overlapping axle sheets (14), (15) insert between the earflap (7) of joint (1), and pass axis hole (8) with bolt (16), lock with two nuts (17) again, in conjunction with back two exhibition arms (2), (3) can freely change between the two angle, when both angles are maximum, exhibition arm (2), (3) catch of Shanging (10), (11) will contact with the block (9) that joint (1) is gone up; Moreover, aforementioned exhibition arm (2), (3) are provided with lock dog (18), (19) in central authorities, can establish by the lateral internal lock on lock dog (18), (19) and run through exhibition arm (2), the bolt (20) of (3), (21), and at the inboard aforementioned bolt (20) that protrudes in two exhibition arms (2), (3), (21) but go up holding one spring (4), this spring (4) elastic force will make two exhibition arms (2), (3) start point remain on maximum ［ promptly the blocks (9) of washer (10), (11) and the joint (1) of two exhibition arms (2), (3) are collided ］.

Other is the person, two exhibition arms (2), the slide glass (12) of (3) lower end, (13), utilize the open-work of slide glass (12), (13), pass with bolt, pass two open-works (22) that semicircle cutting blade (5) is gone up again, and pad last its go up pad (23), (24) of tool open-work, at last with the nut locking, cutting blade (5) locked really opening up arm (2), (3) lower end.

Consult shown in Figure 2ly, can know among the figure and find out, spring (4) is arranged between two exhibition arms (2), (3), and is subjected to the holding of bolt (20), (21), and its elastic force then will two exhibition arms (2), (3) outer support.Moreover the circular arc of combination back two cutting blades (5) is person laterally, in order to the operation of cutting.

Consult shown in Figure 3, disclose among the figure when two exhibition arms (2), (3) and overcome spring (4) elastic force to central clamping, to make the distance reduction of two cutting blades (5), and can cooperate the internal diameter of the water pipe that will cut, right spring (4) is compressed the recovery elastic force that is produced then will be as the application of force of cutting blade (5) cutting.Moreover this cutter has several big or small patterns for cooperating various tubing bores.

Consult shown in Figure 4, disclose bearing shaft (6) and electric drill (25) combination that this cutter utilizes joint (1) top among the figure, again two of cutter is opened up arms (2), (3) clamping, going deep into vertical tube (26) to the required degree of depth is decontroled again, the outer support of spring (4) then makes within cutting blade (5) and the vertical tube (26) and contacts, when electric drill (25) one startings then can be cut.

Consult shown in Figure 5, disclose among the figure when the cutter rotation, then in vertical tube (26), form circular cutting, spring (4) elastic force continues to provide the cutting application of force when going deep into and cut, in case cutter rotation, the cutting application of force more adds two exhibition arms (2), (3) outer centrifugal force that gets rid of, and more can effectively assist cutting.

Consult shown in Figure 6, vertical tube (26) is once the cutting of this cutter, the section that is cut is very smooth, dropping head (27) can get putting on vertical tube (26) firmly, even can viscose glue sticking establishing, fill up cement on every side in dropping head (27) more at last, working angles is quite rapid, easy therebetween.

Consult shown in Figure 7ly, the cutting blade shown in the figure is circular, and central authorities establish two arc strip open-works (28), so cutting blade can be gone up release bolt via slide glass (12), (13), adjust the cutting blade rim of consumption.

Consult shown in Figure 8ly, the cutting blade shown in the figure is circular, and central authorities then have a circle open-work (29), and the single bolt on the cutter of arranging in pairs or groups again on slide glass (12), (13) makes cutting blade can do the consumption adjustment of 360 degree.

Moreover the cutting blade that is adopted on this cutter also can adopt the metal mold cutting blade.

The utlity model has following advantages:

(1) this cutter utilizes spring force, with the application of force of the outer support of two exhibition arms as the cutting blade cutting, cooperates two exhibition arms because rotating outer power of getting rid of again, and will help the effect of rapid cutting.

(2) behind this cutter cutting operation, the section of water pipe is very smooth, provides dropping head firm storing, more because of dropping head can with the water pipe driving fit, can utilize more that cement is sticking to be located on the water pipe end, provide better firmly.

Claims

1, a kind of drainpipe cutter, it is combined by joint (1), two exhibition arms (2), (3), spring (4) and cutting blade (5), it is characterized in that:

The bearing shaft (6) of one two-layer tower shape is arranged at joint (1) top, is convexly equipped with semicircle earflap (7) under the bottom, left dextrad, and this earflap (7) central authorities all have axis hole (8), moreover side then is provided with triangle link stopper (9) before and after the joint (1);

Two exhibition arms (2), (3) shape is identical generally, be rectangular, there is the washer (10) of bending in the same way at two ends, (11) and slide glass (12), (13), and (back) side convexes with a sheet (14) before the nearly top that coexists, (15), wherein axle sheet (14) number of an exhibition arm (2) is one, and axle sheet (15) number of another exhibition arm (3) is two, this diaxon sheet (15) has at interval, distance at interval is about axle sheet (14) thickness that last exhibition arm (2) is gone up, when combination, the axle sheet (14) of last exhibition arm (2) is inserted between the diaxon sheet (15) of back one exhibition arm (3), again with three overlapping axle sheets (14), (15) insert between the earflap (7) of joint (1), and pass the axis hole (8) of earflap (7) with bolt (16), lock with two nuts (17) again; Moreover, the inboard aforementioned bolt (20) that protrudes in aforementioned two exhibition arms (2), (3), (21) but go up holding one spring (4), this spring (4) elastic force will make two exhibition arms (2), (3) start point remain on maximum;

2, drainpipe cutter according to claim 1 is characterized in that cutting blade (5) can be circle, and its central authorities have two arc slots or its central authorities have a circle open-work.