CN209175060U - A kind of slotless thread forming tap - Google Patents

Abstract

The utility model discloses a kind of slotless thread forming taps, including screw tap ontology, one end of screw tap ontology is fixed with guide head, screw tap ontology is equipped with the tapping thread of extrusion forming close to the outside of guide head one end, stop collar is fixed in the middle part of screw tap ontology, one end of stop collar is fixed with handle, the other end of screw tap ontology is fixed with rectangular positioning head, gag lever post is offered between positioning head and handle, the surface of gag lever post is uniformly fixed with frosted convex body, a kind of slotless thread forming tap of the utility model, by being equipped with stop collar, position-limiting action is played when to installation screw tap ontology, effectively prevent installing it is not in place caused by security risk, by being equipped with gag lever post, preferable position-limiting action is played during installation, keep screw tap ontology fixed effect preferable, it uses safer, lubricant is imported by diversion trench, make lubricant It is slid through sponge, so that lubricant is uniformly applied to the surface of screw tap ontology, lubricant effect is preferable.

Description

A kind of slotless thread forming tap

Technical field

The utility model relates to a kind of screw tap, in particular to a kind of slotless thread forming tap belongs to Architectural Equipment technical field.

Background technique

Slotless thread forming tap is a kind of Novel threaded cutter, low suitable for intensity, the preferable copper alloy of plasticity, any surface finish Degree is high, and in electronics, plastic industry is widely used.Slotless thread forming tap machining internal thread using metal plastic deformation principle A kind of Novel threaded cutter, it is ELEMENTARY INTRODUCTION TO NON technique that thread forming tap, which squeezes internal screw thread, lower especially suitable for intensity, plasticity is preferable Copper alloy and aluminium alloy, it can also be used to the material tapping that the hardness such as stainless steel and mild steel are low, plasticity is big, service life are long.With squeeze The thread surface that silk pressing cone squeezes out is highly polished, and the metallic fiber of screw thread is not broken, and forms one layer of chilling layer on surface, can mention The intensity and wearability of high screw thread.The chip removal difficult problem that it fundamentally solves tapping is more advantageous to screw thread because of chipless Assembly.In electronics, plastic industry is widely used.

Slotless thread forming tap can not be accurately positioned out inside slotless thread forming tap handle insertion erector when installing and using Length, be easy to cause installation not in place, fastening effect is bad, causes security risk, and slotless thread forming tap is in tapping, table Face needs to drip lubricant, directly drops onto the surface of slotless thread forming tap, smears unevenly, needs using more lubricant, It is time-consuming and laborious.

Utility model content

The purpose of this utility model is to provide a kind of slotless thread forming taps, to solve nothing mentioned above in the background art The length inside slotless thread forming tap handle insertion erector is accurately positioned out in method, is easy to cause and installs not in place, fastening effect It is bad, security risk is caused, and slotless thread forming tap, in tapping, surface needs to drip lubricant, directly drops onto slotless extruding The surface of screw tap is smeared unevenly, is needed using more lubricant, time-consuming and laborious problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of slotless thread forming tap, including screw tap sheet Body, one end of the screw tap ontology are fixed with guide head, and the screw tap ontology is equipped with close to the outside of described guide head one end The tapping thread of extrusion forming is fixed with stop collar in the middle part of the screw tap ontology, and one end of the stop collar is fixed with Handle, the other end of the screw tap ontology are fixed with rectangular positioning head, offer between the positioning head and the handle Gag lever post, the surface of the gag lever post are uniformly fixed with frosted convex body.

As a kind of optimal technical scheme of the utility model, inside of the screw tap ontology close to described positioning head one end Offering the first heat release hole, the screw tap ontology offers the second heat release hole close to the inside of described guide head one end, and described The diameter of one heat release hole is greater than the diameter of second heat release hole, one end of first heat release hole and second heat release hole One end connection.

As a kind of optimal technical scheme of the utility model, the guide head is in cone, the guide head and described The outer surface of tapping thread is coated with TiN coating.

As a kind of optimal technical scheme of the utility model, the diameter of the stop collar is greater than the outer of the screw tap ontology The end of diameter, the limit ring outer surface side offers diversion trench, if the avris of one end passes through inside the stop collar The dry equidistant linking arm of root is fixedly connected with the outer wall of the handle, two-by-two filled with sea between the adjacent linking arm It is continuous.

As a kind of optimal technical scheme of the utility model, the both ends of the gag lever post pass through respectively buffer stopper with it is described Handle is fixedly connected with the positioning head, and the diameter of the handle is greater than the diameter of the positioning head, the diameter of the positioning head Greater than the diameter of the gag lever post.

Compared with prior art, the utility model has the beneficial effects that a kind of slotless thread forming tap of the utility model, passes through Equipped with stop collar, play position-limiting action when to installation screw tap ontology, effectively prevent installing it is not in place caused by security risk, pass through Equipped with gag lever post, preferable position-limiting action is played during installation, is kept screw tap ontology fixed effect preferable, is used and more pacify Entirely, lubricant is imported by diversion trench, slides lubricant through sponge, lubricant is made uniformly to be applied to the table of screw tap ontology Face, lubricant effect is preferable, and overall structure is simple, cheap, practical, easy to spread.

Detailed description of the invention

Fig. 1 is the utility model schematic view of the front view；

Fig. 2 is the utility model along A-A directional profile structural schematic diagram.

In figure: 1, screw tap ontology；2, guide head；3, tapping thread；4, stop collar；5, handle；6, gag lever post；7, frosted is convex Body；8, positioning head；9, diversion trench；10, linking arm；11, sponge；12, the first heat release hole；13, the second heat release hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of slotless thread forming tap, including screw tap ontology 1, screw tap ontology 1 referring to FIG. 1-2, One end be fixed with guide head 2, screw tap ontology 1 is equipped with the tapping thread 3 of extrusion forming close to the outside of 2 one end of guide head, The middle part of screw tap ontology 1 is fixed with stop collar 4, and one end of stop collar 4 is fixed with handle 5, and the other end of screw tap ontology 1 is solid Surely it is equipped with rectangular positioning head 8, gag lever post 6 is offered between positioning head 8 and handle 5, the surface of gag lever post 6 is uniformly fixed with Frosted convex body 7.

Preferably, screw tap ontology 1 offers the first heat release hole 12 close to the inside of 8 one end of positioning head, and screw tap ontology 1 is close The inside of 2 one end of guide head offers the second heat release hole 13, and the diameter of the first heat release hole 12 is greater than the diameter of the second heat release hole 13, One end of first heat release hole 12 is connected to one end of the second heat release hole 13, and heat dissipation effect is preferable, reduces heat to screw tap ontology 1 It influences, extends the service life of screw tap ontology 1.

Preferably, guide head 2 is in conical, and the outer surface of guide head 2 and tapping thread 3 is coated with TiN coating, is increased The intensity of strong tapping thread 3.

Preferably, the diameter of stop collar 4 is greater than the overall diameter of screw tap ontology 1, and the end of 4 outer surface side of stop collar is opened Equipped with diversion trench 9, the avris of 4 inside one end of stop collar is fixed by several equidistant linking arms 10 and the outer wall of handle 5 Connection is filled with sponge 11 two-by-two between adjacent linking arm 10, by being equipped with diversion trench 9, be easy to be sent the liquid such as lubricant Body, liquid are flowed on sponge 11, are easy to slow down the outflow of liquid, so that liquid is uniformly applied to the surface of screw tap ontology 1, are prevented Liquid splash.

Preferably, the both ends of gag lever post 6 pass through buffer stopper respectively and are fixedly connected with handle 5 and positioning head 8, handle 5 it is straight Diameter is greater than the diameter of positioning head 8, and the diameter of positioning head 8 is greater than the diameter of gag lever post 6, plays preferable position-limiting action.

When specifically used, a kind of slotless thread forming tap of the utility model, by being equipped with stop collar 4, to installation screw tap ontology 1 When play position-limiting action, effectively prevent installing it is not in place caused by security risk played during installation by being equipped with gag lever post 6 Preferable position-limiting action, by being equipped with frosted convex body 7, increasing friction force keeps 1 fixed effect of screw tap ontology preferable, uses It is safer, lubricant is imported by diversion trench 9, lubricant is slid through sponge 11, lubricant is made uniformly to be applied to screw tap The surface of ontology 1, lubricant immerse in sponge 11, prevent from smearing and excessively cause to waste, and lubricant effect is preferable, in tapping, leads to 13 increasing heat radiation area of the first heat release hole 12 and the second heat release hole is crossed, influence of the heat to screw tap ontology 1 is reduced, extends screw tap sheet The service life of body 1, overall structure is simple, cheap, practical, easy to spread.

In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art In concrete meaning.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of slotless thread forming tap, including screw tap ontology (1), which is characterized in that one end fixation of the screw tap ontology (1) is set Have guide head (2), the screw tap ontology (1) is equipped with the tapping thread of extrusion forming close to the outside of the guide head (2) one end (3), it is fixed with stop collar (4) in the middle part of the screw tap ontology (1), one end of the stop collar (4) is fixed with handle (5), the other end of the screw tap ontology (1) is fixed with rectangular positioning head (8), the positioning head (8) and the handle (5) Between offer gag lever post (6), the surface of the gag lever post (6) is uniformly fixed with frosted convex body (7).

2. a kind of slotless thread forming tap according to claim 1, it is characterised in that: the screw tap ontology (1) is close to described The inside of positioning head (8) one end offers the first heat release hole (12), and the screw tap ontology (1) is close to the guide head (2) one end Inside offer the second heat release hole (13), the diameter of first heat release hole (12) is greater than the straight of second heat release hole (13) Diameter, one end of first heat release hole (12) are connected to one end of second heat release hole (13).

3. a kind of slotless thread forming tap according to claim 1, it is characterised in that: the guide head (2) is in cone, institute The outer surface for stating guide head (2) and the tapping thread (3) is coated with TiN coating.

4. a kind of slotless thread forming tap according to claim 1, it is characterised in that: the diameter of the stop collar (4) is greater than The end of the overall diameter of the screw tap ontology (1), stop collar (4) the outer surface side offers diversion trench (9), the limit The avris of the internal one end of position ring (4) is fixedly connected by several equidistant linking arms (10) with the outer wall of the handle (5), Sponge (11) are filled between the adjacent linking arm (10) two-by-two.

5. a kind of slotless thread forming tap according to claim 1, it is characterised in that: distinguish at the both ends of the gag lever post (6) It is fixedly connected by buffer stopper with the handle (5) and the positioning head (8), the diameter of the handle (5) is greater than the positioning The diameter of head (8), the diameter of the positioning head (8) are greater than the diameter of the gag lever post (6).