CN213033830U - Special powerful screw tap of stainless steel - Google Patents

Abstract

The utility model belongs to the technical field of screw taps, in particular to a special strong screw tap for stainless steel, which comprises a screw tap main body, wherein the screw tap main body comprises a tapping head and a connector; the connecting sleeve is internally provided with a tapping head and a connecting head, the end parts of the tapping head and the connecting head can be embedded into the connecting sleeve, the connecting sleeve is provided with a positioning through hole for the pin to penetrate through, and the tapping head and the connecting head are both provided with connecting through holes for the pin to penetrate through; the utility model discloses a screw tap main part is combination formula screw tap, relies on adapter sleeve and pin pole to assemble to utilize stationary blade and manual bolt to fasten, can guarantee the stability that tapping head and connector are connected, guarantee the reliable use of screw tap main part, can dismantle maintenance or change alone the tapping head simultaneously, needn't change whole screw tap main part, reduced cost of maintenance, improved the life of screw tap main part.

Description

Special powerful screw tap of stainless steel

Technical Field

The utility model belongs to the technical field of the screw tap, concretely relates to special powerful screw tap of stainless steel.

Background

The tap is a tool for processing internal threads, and can be classified into a spiral tap, an edge inclination tap, a straight-flute tap, a pipe tap and the like according to the shape, a hand tap and a machine tap according to the use environment, a metric tap, a american-style tap, an english-style tap and the like according to the specification, and the tap is the most popular processing tool adopted by manufacturers in tapping and is also a necessary component for tapping an internal thread hole in a stainless steel product.

The original screw tap is troublesome to replace when in use, the screw tap is inevitably worn after being used for a long time, the whole screw tap is required to be abandoned, and the cost is high.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a special powerful screw tap of stainless steel has convenient to use, easily dismouting and long service life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a special powerful screw tap for stainless steel comprises a screw tap main body, wherein the screw tap main body comprises a tapping head and a connector; still include adapter sleeve and pin rod, the tapping head with the tip of connector all can imbed in the adapter sleeve set up the confession on the adapter sleeve the location that the pin rod runs through is perforated the tapping head with all seted up the confession on the connector the connection that the pin rod runs through is perforated.

As a preferred technical scheme of the utility model, the terminal surface of tapping head is fixed with a location lug the terminal surface of connector has been seted up and has been held a location blind hole of location lug.

As a preferred technical scheme of the utility model, the utility model further comprises a fixing plate and a manual bolt, the pin rod can penetrate through the fixing plate, the end part of the pin rod is hinged with a turnover piece, and a fixing hole is arranged in the turnover piece; the manual bolt is connected with the connecting sleeve in a threaded screwing mode, and the connecting sleeve, the fixing piece and the fixing hole are fixedly connected through the manual bolt.

As an optimized technical scheme of the utility model, positioning groove has been seted up to the outer wall of pin rod the location perforate the inner wall be equipped with positioning mechanism that positioning groove is corresponding.

As a preferred technical scheme of the utility model, positioning mechanism includes No. two location lugs and expanding spring the movable groove has been seted up on the fenestrate lateral wall of location, No. two location lugs's one end activity is embedded into this movable groove in, the other end stretches out movable groove and embedding in the positioning groove, expanding spring distributes No. two location lugs's embedded end terminal surface with between the movable groove ground.

As a preferred technical scheme of the utility model, No. two positioning lug's embedded end with the vertical tangent plane of activity groove is "T" type structure, No. two positioning lug's the end that stretches out is hemispherical structure, positioning groove's section is semi-circular.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a screw tap main part is combination formula screw tap, relies on adapter sleeve and pin pole to assemble to utilize stationary blade and manual bolt to fasten, can guarantee the stability that tapping head and connector are connected, guarantee the reliable use of screw tap main part, can dismantle maintenance or change alone the tapping head simultaneously, needn't change whole screw tap main part, reduced cost of maintenance, improved the life of screw tap main part.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top sectional view of the tap body according to the present invention;

FIG. 3 is a schematic front sectional view of the connection sleeve according to the present invention;

fig. 4 is a schematic structural view of the front side of the connection sleeve in the present invention;

FIG. 5 is a schematic side sectional view of the connection sleeve according to the present invention;

in the figure: 1. tapping a thread head; 2. a connector; 3. connecting a sleeve; 4. a pin rod; 5. a first positioning bump; 6. positioning the blind hole; 7. connecting through holes; 8. positioning and punching; 9. a positioning groove; 10. a fixing sheet; 11. a fixing hole; 12. turning over the sheet; 13. a manual bolt; 14. a movable groove; 15. a tension spring; 16. and a second positioning bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a special powerful screw tap for stainless steel comprises a screw tap main body, wherein the screw tap main body comprises a tapping head 1 and a connector 2; still include adapter sleeve 3 and pin pole 4, the tip of tapping head 1 and connector 2 all can imbed in adapter sleeve 3, set up the location perforation 8 that supplies pin pole 4 to run through on adapter sleeve 3, all set up the connection perforation 7 that supplies pin pole 4 to run through on tapping head 1 and connector 2, when using, assemble connector 2 earlier, the adapter sleeve 3 is cup jointed again to the tip of connector 2, and insert a pin pole 4, make adapter sleeve 3 and connector 2 stable connection, later insert adapter sleeve 3 with tapping head 1 in, it can to insert a pin pole 4 again, make tapping head 1 and adapter sleeve 3 stable connection.

Specifically, according to fig. 1 and fig. 2, in this embodiment, a first positioning protrusion 5 is fixed on the end surface of the tapping head 1, a positioning blind hole 6 capable of accommodating the first positioning protrusion 5 is formed in the end surface of the connector 2, and after the tapping head 1 is inserted into the connecting sleeve 3, the first positioning protrusion 5 is embedded into the positioning blind hole 6, so that the reliability of connection between the tapping head 1 and the connector 2 is ensured.

Specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment further includes a fixing plate 10 and a manual bolt 13, the pin rod 4 can penetrate through the fixing plate 10, the end of the pin rod 4 is hinged with a turning plate 12, and a fixing hole 11 is formed in the turning plate 12; the hand bolt 13 is screwed with the connecting sleeve 3, the fixing piece 10 and the fixing hole 11 are fixedly connected through the hand bolt 13, after the tapping head 1 and the connecting head 2 are assembled, the fixing piece 10 is sleeved on the head ends of the two pin rods 4, the turnover piece 12 is turned over to be attached to the fixing piece 10, then the hand bolt 13 is screwed, so that the connecting sleeve 3, the fixing piece 10 and the fixing hole 11 are fixedly fastened, and the tapping head 1 and the connecting head 2 are fastened.

Specifically, according to fig. 1, fig. 3, and fig. 5, in this embodiment, a positioning groove 9 is formed in an outer wall of the pin rod 4, a positioning mechanism corresponding to the positioning groove 9 is disposed on an inner wall of the positioning through hole 8, and after the pin rod 4 is inserted in place, the positioning mechanism is combined with the positioning groove 9 to stabilize the pin rod 4 and prevent the pin rod 4 from falling off.

Specifically, according to fig. 1, fig. 3, and fig. 5, in this embodiment, the positioning mechanism includes a second positioning protrusion 16 and a telescopic spring 15, a movable groove 14 is formed on a side wall of the positioning through hole 8, one end of the second positioning protrusion 16 is movably embedded into the movable groove 14, the other end of the second positioning protrusion extends out of the movable groove 14 and is embedded into the positioning groove 9, the telescopic spring 15 is distributed between an end face of an embedded end of the second positioning protrusion 16 and a groove of the movable groove 14, after the pin rod 4 is inserted into position, the extending end of the second positioning protrusion 16 is stably embedded into the positioning groove 9 under the elastic action of the telescopic spring 15, so as to stabilize the pin rod 4 and prevent the pin rod 4 from falling off.

Specifically, as shown in fig. 1, fig. 3 and fig. 5, in this embodiment, the embedded end of the second positioning protrusion 16 and the longitudinal section of the movable groove 14 are both of a "T" shaped structure, which limits the movable range of the second positioning protrusion 16, the protruding end of the second positioning protrusion 16 is of a hemispherical structure, and the cross section of the positioning groove 9 is semicircular, so that the insertion of the pin rod 4 is more labor-saving, and the detachment is more labor-saving.

The utility model discloses a theory of operation and use flow: the utility model discloses a special powerful screw tap of stainless steel, when using, assemble connector 2 earlier, cup joint connecting sleeve 3 at the tip of connector 2 again, and insert a pin 4, make connecting sleeve 3 and connector 2 stably connect, later insert tapping head 1 in connecting sleeve 3, insert a pin 4 again, make tapping head 1 and connecting sleeve 3 stably connect, after pin 4 alternates to take one's place, under the elastic action of expanding spring 15, the end that stretches out of No. two locating convex block 16 steadily imbeds in positioning groove 9, stabilize pin 4, avoid pin 4 to drop;

then sleeving the head ends of the two pin rods 4 with a fixing piece 10, turning over a turning piece 12 to be attached to the fixing piece 10, and then screwing a manual bolt 13 to fix and fasten the connecting sleeve 3, the fixing piece 10 and the fixing hole 11 and fasten the connection of the tapping head 1 and the connector 2;

when the tapping head 1 is detached, the manual bolt 13 is screwed down, the two pin rods 4 are directly pulled out, and then the tapping head 1 can be pulled out, so that the tapping head is very convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a special powerful screw tap of stainless steel, includes the screw tap main part, its characterized in that: the tap body comprises a tapping head (1) and a connecting head (2); still include adapter sleeve (3) and pin pole (4), attack thread head (1) with the tip of connector (2) all can imbed in adapter sleeve (3) seted up the confession on adapter sleeve (3) pin pole (4) run through location perforation (8) attack thread head (1) with the confession has all been seted up on connector (2) pin pole (4) run through connect perforation (7).

2. The special powerful tap for stainless steel according to claim 1, wherein: the end face of the tapping head (1) is fixed with a positioning bump (5), and the end face of the connector (2) is provided with a positioning blind hole (6) capable of accommodating the positioning bump (5).

3. The special powerful tap for stainless steel according to claim 1, wherein: the pin rod (4) can penetrate through the fixing plate (10), the end part of the pin rod (4) is hinged with an overturning sheet (12), and a fixing hole (11) is formed in the overturning sheet (12); the manual bolt (13) is connected with the connecting sleeve (3) in a threaded screwing mode, and the connecting sleeve (3), the fixing piece (10) and the fixing hole (11) are fixedly connected through the manual bolt (13).

4. The special powerful tap for stainless steel according to claim 1, wherein: the outer wall of the pin rod (4) is provided with a positioning groove (9), and the inner wall of the positioning through hole (8) is provided with a positioning mechanism corresponding to the positioning groove (9).

5. The special powerful tap for stainless steel according to claim 4, wherein: positioning mechanism includes No. two location lug (16) and expanding spring (15) movable groove (14) have been seted up on the lateral wall of location perforation (8), the one end activity of No. two location lug (16) is embedded into in this movable groove (14), the other end stretches out movable groove (14) and embedding in positioning groove (9), expanding spring (15) distribute No. two location lug (16) the end face of inlaying with between movable groove (14) groove ground.

6. The special powerful tap for stainless steel according to claim 5, wherein: the embedded end of the second positioning bump (16) and the longitudinal section of the movable groove (14) are both of a T-shaped structure, the extending end of the second positioning bump (16) is of a hemispherical structure, and the section of the positioning groove (9) is semicircular.

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