CN218093795U

CN218093795U - Self-tapping screw for motor casing

Info

Publication number: CN218093795U
Application number: CN202221353316.5U
Authority: CN
Inventors: 施国春
Original assignee: Suzhou Tianlong Electromechanical Equipment Co ltd
Current assignee: Suzhou Tianlong Electromechanical Equipment Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-12-20
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a self-tapping screw for motor housing, including nut, splice cover and self-tapping screw, self-tapping screw's one end is connected with the detachable splice cover, the one end and the detachable nut of splice cover are connected, the tip of nut is equipped with the blank pressing, the avris of nut is equipped with the draw-in groove, and establishes to the soft rubber structure in the draw-in groove, the blank pressing is equipped with the rigid plastic structure. The utility model is provided with the splicing sleeve, the two ends of the splicing sleeve are respectively provided with the upper screw hole and the lower screw hole, the end part of the tapping screw is provided with the second screw head, the tapping screw is convenient to be installed and disassembled with the splicing sleeve through the second screw head, the bottom end of the nut is provided with the first screw head, and the first screw head is assembled with the upper screw hole; the outside of the nut is provided with a clamping groove, and the nut is of a soft rubber structure, so that the nut can seal a groove reserved at the installation position of the motor shell.

Description

Self-tapping screw for motor casing

Technical Field

The utility model relates to a self tapping screw correlation field specifically is a self tapping screw for motor casing.

Background

The self-tapping screw for the motor shell is used for installing the motor shell and the motor main body in a self-tapping mode, and the self-tapping screw or the quick-mounting screw is a steel quick-mounting fastener with a galvanized and passivated surface;

for example, granted patent publication No. CN2670655 (self-drilling self-tapping screw plastic cap): comprises a screw head sleeve which is sleeved outside a screw head and a flange ring sleeve which is arranged outside the flange ring, which are connected in an integrated way. The screw head sleeve and the flange sleeve are sleeved on the exposed part of the self-drilling and self-tapping screw to play a role in protection, prevent rusting and corrosion and be durable. The utility model also provides a self-drilling self-tapping screw. The plastic cap comprises a screw head and a flange ring, and the plastic cap is sleeved outside the screw head and the flange ring. The exposed part of the plastic cap is protected by the plastic cap, so that the plastic cap is not rusted and corroded, is durable, can be conveniently colored, and can increase the adaptation of the screw to the surrounding environment. The plastic cap can adopt a connection mode of elastic expansion joint or clamping joint with the screw head. The inner diameter of the flange ring sleeve is slightly larger than the outer diameter of the flange ring;

above-mentioned prior art is equipped with the plastics cap, can improve corrosion-resistant effect through it, but self-tapping screw establishes to be integral, makes unable dismantlement between nut and the self-tapping screw, leads to its if warp, needs whole change, unable recycle, and when self-tapping screw and motor casing installation back nut can bulge outside, not only influences pleasing to the eye, and the nut leaks outside and damages easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-tapping screw for motor casing to the self-tapping screw who proposes in solving above-mentioned background art establishes to integral, makes unable dismantlement between nut and the screw rod, leads to its if warp, needs whole change, unable recycle, and when screw and motor casing installation back nut can the protrusion outside, not only influences pleasing to the eye, and the nut leaks the problem of externally easy damage suddenly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-tapping screw for motor casing, includes nut, splice cover and self-tapping screw, self-tapping screw's one end and detachable splice cover are connected, splice cover's one end and detachable nut are connected, the tip of nut is equipped with the blank pressing, the avris of nut is equipped with the draw-in groove, and establishes to soft rubber structure in the draw-in groove, the blank pressing is equipped with the rigid plastic structure.

In a further embodiment, the splicing sleeve comprises an upper screw hole and a lower screw hole;

the upper screw hole and the lower screw hole are respectively arranged at two ends of the splicing sleeve, and the upper screw hole and the lower screw hole are separated by a solid interlayer.

In a further embodiment, the self-tapping screw comprises a self-tapping head, a thread ridge and a second head;

the tapping head is arranged at one end of the tapping screw, and the thread teeth are arranged on the outer side of the tapping screw;

the second screw head is arranged at the other end of the tapping screw.

In a further embodiment, the tapping screw is in threaded fixation with a lower screw hole at one end of the splicing sleeve through a second screw head, and the outer diameter of the splicing sleeve is smaller than that of the screw thread.

In a further embodiment, one end of the nut is provided with a first screw head, and the first screw head is fixed with an upper screw hole in the splicing sleeve in a threaded mode.

In a further embodiment, a quincuncial groove is formed in the center of the top end of the edge pressing, and the nut is clamped and fixed at the end of a reserved mounting groove hole of the motor shell through a clamping groove and sealed through the edge pressing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be equipped with the concatenation cover, be equipped with screw and lower screw respectively at the both ends of concatenation cover, self-tapping screw's tip is equipped with the second spiral shell head, through the convenient and concatenation cover installation dismantlement of second spiral shell head, is equipped with first spiral shell head in the bottom of nut, and first spiral shell head and last screw equipment, but this kind of design self-tapping screw and nut between split change, make it can recycle, saved the cost.

2. The utility model discloses a nut outside is equipped with the draw-in groove, and the nut establishes to software rubber construction, makes its recess that can reserve to motor casing installation department seal, and treats that self-tapping screw attacks and to connect the back can the antiport nut, makes the first spiral shell head of its control rotate alone, can dismantle first spiral shell head alone, can avoid the nut to leak externally for a long time violently, improves its life.

Drawings

Fig. 1 is a schematic structural view of a tapping screw for a motor housing according to the present invention;

fig. 2 is a schematic structural view of the tapping screw of the present invention;

FIG. 3 is a schematic structural view of the nut of the present invention;

FIG. 4 is a schematic structural view of the splice sleeve of the present invention;

fig. 5 is a top view of the blank holder of the present invention.

In the figure: 1. a nut; 2. a card slot; 3. pressing edges; 4. splicing sleeves; 5. a self-tapping screw; 6. thread teeth; 7. a first screw head; 8. an upper screw hole; 9. a lower screw hole; 10. a plum blossom groove; 11. a second screw head.

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.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a self-tapping screw for motor casing, includes nut 1, splice cover 4 and self-tapping screw 5, and the one end and the detachable splice cover 4 of self-tapping screw 5 are connected, and the one end and the detachable nut 1 of splice cover 4 are connected, and the tip of nut 1 is equipped with blank pressing 3, and the avris of nut 1 is equipped with draw-in groove 2, and draw-in groove 2 establishes to the soft rubber structure, and blank pressing 3 is equipped with the rigid plastic structure.

Be used for through splice sleeve 4 with self-tapping screw 5 and the equipment of nut 1, be used for protecting the avris of nut 1 through blank holder 3, make nut 1 can seal the tip of attacking the mouth through nut 1 and the draw-in groove 2 in its outside.

Further, the splicing sleeve 4 comprises an upper screw hole 8 and a lower screw hole 9;

go up screw 8 and lower screw 9 and establish respectively at the both ends of splice sleeve 4, and go up and separate through solid interlayer between screw 8 and the lower screw 9, conveniently be connected with first spiral shell head 7 and second spiral shell head 11 through last screw 8 and lower screw 9.

Further, the tapping screw 5 includes a tapping head, a thread and a second head 11;

the tapping head is arranged at one end of the tapping screw 5, the thread teeth are arranged at the outer side of the tapping screw 5, and the tapping screw 5 can be installed in a tapping mode through the tapping head;

the second screw head 11 is provided at the other end of the tapping screw 5.

Further, the tapping screw 5 is fixed with a lower screw hole 9 at one end of the splicing sleeve 4 through a second screw head 11 in a threaded manner, and the outer diameter of the splicing sleeve 4 is smaller than that of the thread 6.

Furthermore, one end of the nut 1 is provided with a first screw head 7, the first screw head 7 is fixed with an upper screw hole 8 in the splicing sleeve 4 through threads, and the nut 1 is detachable through the design of the first screw head 7 and can be stored independently.

Further, a quincuncial groove 10 is formed in the center of the top end of the blank holder 3, and the nut 1 is clamped and fixed at the end of a reserved mounting groove hole of the motor shell through the clamping groove 2 and sealed through the blank holder 3.

The working principle is as follows: during the use, 5 one end of self-tapping screw passes through second spiral shell head 11 and splices the lower screw 9 threaded fastening on the cover 4, and with the first spiral shell head 7 of nut 1 bottom and the last screw 8 threaded fastening on the splice cover 4, through the plum blossom groove 10 and the screwdriver head contact in 3 middle parts of blank pressing, make it control self-tapping screw 5 rotate, make self-tapping screw 5 be connected with motor casing through the self-tapping mode, after self-tapping screw 5 attacks, can manual reverse twist nut 1, make nut 1 control first spiral shell head 7 reverse rotation, until nut 1 is dismantled, and through the draw-in groove 2 in the nut 1 outside, can inlay nut 1 in tapping hole department, make it carry out the shutoff protection to tapping mouth tip, improve the aesthetic property, and seal tapping mouth tip through blank pressing 3, avoid the dirt to cause the hole to pollute.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self-tapping screw for motor casing, includes nut (1), splice cover (4) and self-tapping screw (5), its characterized in that: the one end and the detachable splice sleeve (4) of self-tapping screw (5) are connected, the one end and the detachable nut (1) of splice sleeve (4) are connected, the tip of nut (1) is equipped with blank pressing (3), the avris of nut (1) is equipped with draw-in groove (2), and establishes to soft rubber structure draw-in groove (2), blank pressing (3) are equipped with rigid plastic structure.

2. A tapping screw for a motor casing as defined in claim 1, wherein: the splicing sleeve (4) comprises an upper screw hole (8) and a lower screw hole (9);

the upper screw hole (8) and the lower screw hole (9) are respectively arranged at two ends of the splicing sleeve (4), and the upper screw hole (8) and the lower screw hole (9) are separated by a solid interlayer.

3. A tapping screw for a motor casing as defined in claim 1, wherein: the self-tapping screw (5) comprises a self-tapping head, a thread and a second screw head (11);

the tapping head is arranged at one end of the tapping screw (5), and the thread teeth are arranged on the outer side of the tapping screw (5);

the second screw head (11) is arranged at the other end of the tapping screw (5).

4. A self-tapping screw for a motor casing as defined in claim 3, wherein: the tapping screw (5) is in threaded fixation with a lower screw hole (9) at one end of the splicing sleeve (4) through a second screw head (11), and the outer diameter of the splicing sleeve (4) is smaller than that of the thread teeth (6).

5. A self-tapping screw for a motor casing as defined in claim 1, wherein: one end of the screw cap (1) is provided with a first screw head (7), and the first screw head (7) is in threaded fixation with an upper screw hole (8) in the splicing sleeve (4).

6. A tapping screw for a motor casing as defined in claim 1, wherein: the top of blank pressing (3) is equipped with plum blossom groove (10) in the middle of the department, nut (1) is through draw-in groove (2) card solid at the reservation installation slotted hole tip of motor casing to seal through blank pressing (3).