CN211662662U - Screw implant structure - Google Patents

Abstract

The utility model relates to the field of mold equipment, in particular to a screw part implantation structure, which comprises a first plastic part, wherein a holding cavity is arranged in the first plastic part, a first communication hole is arranged at the upper part of the holding cavity, and a first mounting groove is arranged at the side part of the holding cavity; the first threaded piece is accommodated in the accommodating cavity through the first installation groove, and a threaded part of the first threaded piece is connected with the first communication hole; the limiting piece is arranged on the first plastic piece, at least part of the limiting piece is opposite to the first mounting groove, and the limiting piece limits the threaded piece in the accommodating cavity. This screw member implantation structure implants the screw member through seting up the mounting groove in the plastic part, and its mounting groove size precision is higher to make the location accurate, in addition, this screw member implantation structure fixes the screw member in the holding chamber through the limiting piece, compares simplyr with the structure that current screw member implanted, and the defective rate is low.

Description

Screw implant structure

Technical Field

The utility model belongs to the technical field of mould equipment and specifically relates to a screw-thread component implantation structure is related to.

Background

At present, a large number of equipment shells use first plastic parts, and different first plastic parts in the same equipment need to be fastened through nuts or screw connections. Because the locking strength of the first plastic part is not enough, the nut or the bolt is usually implanted into the first plastic part by an injection molding or hot melting implantation method, and the traditional hot melting screw part implantation method is that after the shell product is injection molded, the nut is pre-pressed into a hole of the shell by a metal auxiliary tool, and then the shell is placed on a hot melting machine to be in place for hot melting the nut. Although the method of implanting the hot-melt screw member can improve the locking strength of the first plastic member well, the implanting method is costly, for example, it needs to be performed by a nut implanting machine, and the nut is prone to deflection and causes defects.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a screw thread piece implantation structure, this screw thread piece implantation structure's implantation cost is low to the yield is high.

An embodiment of the utility model provides a screw thread part implantation structure, including a first plastic part, a holding cavity is arranged in the first plastic part, a first communication hole is arranged at the upper part of the holding cavity, and a first mounting groove is arranged at the side part of the holding cavity; the first threaded piece is accommodated into the accommodating cavity through the first installation groove, and a threaded part of the first threaded piece is connected with the first communication hole; the limiting piece is installed on the first plastic piece, at least part of the limiting piece is opposite to the first installation groove, and the limiting piece limits the threaded piece in the accommodating cavity.

Optionally, a mounting cavity is arranged in the first plastic part, and the limiting part is mounted in the mounting cavity.

Optionally, a first protruding portion is arranged in the mounting cavity, the accommodating cavity is arranged in the first protruding portion, the first communication hole is formed in the top of the first protruding portion, and the first mounting groove penetrates through one side of the first protruding portion.

Optionally, the limiting member is a circuit board.

Optionally, the limiting piece is a circuit board, an avoiding hole is formed in the middle of the circuit board, the circuit board is mounted in the mounting cavity, the first protruding portion is inserted into the avoiding hole, and the wall portion of the avoiding hole is opposite to the first mounting groove.

Optionally, the plastic part further comprises a second plastic part, and the second plastic part is provided with a first counter bore; the second plastic part is mounted to the first plastic part, and the first counterbore and the first communication hole are communicated.

Optionally, the plastic part further comprises a second plastic part, the plastic part is provided with a second protrusion, the second plastic part is provided with a first counter bore, and the first counter bore penetrates through the second protrusion along the axial direction of the second protrusion; the second plastic part is mounted to the first plastic part, and the second protrusion is supported to the first protrusion, the first counterbore and the first communication hole being communicated.

Optionally, the first threaded member is a nut or a bolt.

The utility model discloses a screw member implants structure has following beneficial effect at least: because the first screw thread spare is implanted in the first mounting groove in the holding chamber, fixed with first screw thread spare from the lateral part through the limiting piece, restricted the motion of screw thread spare in the holding chamber to a certain extent to make things convenient for the locking of first plastic part, because first screw thread spare is installed first plastic part through the mode of assembly, and need not implant first plastic part through the method of moulding plastics, consequently, implant with low costs, the yield is high.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of an embodiment of the present invention;

fig. 3 is a schematic top sectional view of an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of an embodiment of the present invention.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

As shown in fig. 1, the screw implanting structure includes a first plastic part 1 and a first screw 11, wherein an accommodating cavity 12 is formed in the first plastic part 1, a first through hole 13 is formed in an upper portion of the accommodating cavity 12, and a first mounting groove 14 is formed in a side portion of the accommodating cavity 12. The first screw 11 is installed in the accommodation chamber 12, and a threaded portion of the first screw 11 is connected to the first communication hole 13 to allow the first screw 11 to be connected via the first communication hole 13 and a second screw 23 (described later). The screw thread implanting structure further comprises a limiting member 15, wherein the limiting member 15 is installed in the first plastic part 1, and at least a portion of the limiting member 15 is opposite to the first installation groove 14, so that the first screw member 11 can be limited in the accommodating cavity 12.

The embodiment has at least the following beneficial effects: the conventional method for implanting the first threaded member 11 by hot melting requires manual pressing, which easily causes the first threaded member 11 to deflect, so that the yield is low; the method of injection molding the first threaded member 11 requires an additional mechanism for fixing the first threaded member 11, and the mold used is complicated, so the production cost is high; in addition, the limiting member 15 limits the first threaded member 11 in the first mounting groove 14 from the side portion, so that the first threaded member 11 is prevented from rotating in the first mounting groove 14, and the first threaded member 11 is better fixed.

In some embodiments, a mounting cavity 16 is formed in the first plastic part 1, and the limiting member 15 is mounted in the mounting cavity 16, so that the assembly process is simple.

It is conceivable that, in order to facilitate the installation of the receiving chamber 12, the first protrusion 17 is installed in the mounting chamber 16, as shown in fig. 1 and 2, the receiving chamber 12 is installed inside the first protrusion 17, the first communication hole 13 is opened at the top of the first protrusion 17, the first mounting groove 14 is opened at the side of the receiving chamber 12 and penetrates through one side of the first protrusion 17, and the cross-sectional shape of the receiving chamber 12 may be a triangle, a quadrangle, a hexagon, or the like, or a chamfered circle, an ellipse, or another irregular shape, as long as the first screw 11 is prevented from rotating. The first plastic part 1 is installed in the installation cavity 16 (as shown in fig. 1), and at least a portion of the limiting member 15 (as shown in fig. 1) is located opposite to the first installation cavity 14, so that the first screw member 11 is laterally limited in the receiving cavity 12 of the first protrusion 17.

It is contemplated that in some embodiments, the limiting member 15 may be selected to be a circuit board or other member that limits the rotation of the first threaded member 11.

In some embodiments, as shown in fig. 2 and 3, in this embodiment, the limiting member 15 may be selected as a circuit board (PCB), a relief hole 151 is formed in a middle portion of the circuit board, the circuit board is sleeved on an outer peripheral surface of the first protrusion 17 through the relief hole 151, so as to mount the circuit board into the mounting cavity 16 (as shown in fig. 1), the first mounting groove 14 is opposite to a wall portion of the relief hole 151, and after the first threaded member 11 is implanted into the first mounting groove 14, the wall portion of the relief hole 151 of the limiting member 15 limits the first threaded member 11 in the receiving cavity 12 of the first protrusion 17 from a side edge, so as to prevent the first threaded member 11 from rotating in the first mounting groove 14 or sliding out of the first mounting groove 14. The screw implanting structure fixes the side of the screw using the circuit board as a limiting member, thereby reducing the loss of unnecessary parts.

As shown in fig. 4, in some embodiments, the screw implant structure further includes a second plastic part 2, wherein a first counter bore 21 is formed in the second plastic part 2, and the assembly of the second plastic part 2 and the first plastic part 1 can be facilitated by the formation of the first counter bore 21. The second plastic part 2 is mounted to the first plastic part 1 through the first counterbore 21, and the first counterbore 21 is communicated with the first communication hole 13. The first counter bore 21 may be provided with a second screw 23, and the second screw 23 is assembled with the first screw 11 through the first counter bore 21, so as to integrate the first plastic part 1 and the second plastic part 2.

It is contemplated that, in some embodiments, as shown in fig. 4, the second plastic part 2 is provided with a second protrusion 22, the first counter bore 21 is provided in the second protrusion 22, and the first counter bore 21 penetrates the second protrusion 22 along the axial direction of the second protrusion 22. When the second plastic part 2 is mounted to the first plastic part 1, the top of the second protrusion 22 is attached to the first protrusion 17, so that the second protrusion 22 is supported to the first protrusion 17, and the first counterbore 21 and the first communication hole 13 are communicated. The first counterbore 21 may also be provided with a second screw 23, and the second screw 23 is mutually assembled with the first screw 11 in the first protrusion 17, thereby integrally mounting the first plastic part 1 and the second plastic part 2. Due to the second protrusion 22 provided in the second plastic part 2, it can be matched with the first protrusion 17 in the first plastic part 1, thereby facilitating the assembly of the second plastic part 2 to the first plastic part 1.

It is contemplated that the first threaded member 11 may alternatively be a nut and the second threaded member 23 may alternatively be a bolt. Further, the nut is implanted into the first protrusion 17 from the side wall of the accommodation chamber 12 and is embedded into the first mounting groove 14. In some embodiments, the first threaded member 11 may alternatively be a bolt and the second threaded member 23 may alternatively be a nut. Through the first screw member 11 and the second screw member 23, the first plastic member 1 can be tightly connected with the second plastic member 2.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims (8)

1. A screw implant construct, comprising:

the plastic part comprises a first plastic part, wherein an accommodating cavity is formed in the first plastic part, a first through hole is formed in the upper part of the accommodating cavity, and a first mounting groove is formed in the side part of the accommodating cavity;

the first threaded piece is accommodated into the accommodating cavity through the first installation groove, and a threaded part of the first threaded piece is connected with the first communication hole;

the limiting piece is installed on the first plastic piece, at least part of the limiting piece is opposite to the first installation groove, and the limiting piece limits the threaded piece in the accommodating cavity.

2. The screw implant structure of claim 1, wherein a mounting cavity is provided in the first plastic part, and the defining member is mounted in the mounting cavity.

3. The screw implant structure of claim 2, wherein a first protrusion is disposed in the mounting cavity, the receiving cavity is disposed in the first protrusion, the first communication hole is opened at a top of the first protrusion, and the first mounting groove penetrates one side of the first protrusion.

4. The screw implant structure of claim 1 or 2, wherein the defining member is a circuit board.

5. The screw implant structure according to claim 3, wherein the restriction member is a circuit board, an avoiding hole is provided in a middle portion of the circuit board, the first protrusion is inserted into the avoiding hole after the circuit board is mounted in the mounting cavity, and a wall portion of the avoiding hole is opposed to the first mounting groove.

6. The screw implant structure of claim 1, further comprising a second plastic component, wherein the second plastic component defines a first counterbore;

the second plastic part is mounted to the first plastic part, and the first counterbore and the first communication hole are communicated.

7. The screw-threaded member implantation structure according to claim 5, further comprising a second plastic member, wherein the second plastic member is provided with a second protrusion, the second plastic member is provided with a first counter bore, and the first counter bore penetrates through the second protrusion along an axial direction of the second protrusion;

the second plastic part is mounted to the first plastic part, and the second protrusion is supported to the first protrusion, the first counterbore and the first communication hole being communicated.

8. The screw implant structure of claim 1, 2, 3, 5, 6 or 7, wherein the first screw is a nut or a bolt.

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