CN214698678U

CN214698678U - High-strength inverted cone bolt

Info

Publication number: CN214698678U
Application number: CN202120716630.4U
Authority: CN
Inventors: 龚桂林
Original assignee: Jiaxing Wangyi Machinery Co ltd
Current assignee: Jiaxing Wangyi Machinery Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-12
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a high-strength inverted cone bolt, which comprises a long shaft, wherein a fastening section and a connecting section are arranged on the long shaft, an external thread is arranged on the connecting section, an anchor head is arranged at one end of the long shaft corresponding to the fastening section, the fastening section comprises a plurality of cone frustums which are sequentially arranged along the axial direction, a circular ring is arranged between two adjacent cone frustums, a reinforcing groove is arranged on the anchor head and the fastening section, the reinforcing groove extends from the circumference of the fastening section and the circumference of the anchor head to the axial direction, the invention is provided with a reinforcing groove, the reinforcing groove extends along the radial direction of the long shaft, after the bolt is fixed on a wall, a bonding material not only wraps around the fastening section, but also penetrates into the reinforcing groove, when the long shaft is subjected to the force of circumferential rotation, the bonding material which penetrates into the reinforcing groove is integrated with the bonding material outside the fastening section, the rotation of the long shaft is prevented, and the purpose of good circumferential fixation is achieved, prevent anchor bolt loosening.

Description

High-strength inverted cone bolt

Technical Field

The utility model belongs to the technical field of the crab-bolt, more specifically the utility model relates to a high strength back taper bolt that says so.

Background

The anchor bolt is a general term of all rear anchoring components and has a wide range. The anchor bolt is divided into a metal anchor bolt and a non-metal anchor bolt according to different raw materials. According to different anchoring mechanisms, the anchor bolts are divided into expansion type anchor bolts, hole expanding type anchor bolts, bonding type anchor bolts, concrete screws, shooting nails, concrete nails and the like.

The adhesive anchor bolt, also called chemical adhesive bolt, chemical bolt or Eurya japonica adhesive, is a component which is made up by using specially-made chemical adhesive (anchoring adhesive) to make screw bolt and internal screw tube be cohered and fixed in the drilled hole of concrete base material, and utilizing the adhesive and screw bolt and adhesive and concrete hole wall to make adhesion and locking action so as to implement anchoring of connected component.

The Chinese patent with the application number of 2013205612397 discloses a chemical anchor bolt, which comprises a long shaft, wherein the shaft body and the end face at one end of the long shaft are respectively provided with a thread and a connector, and the shaft body and the end face at the other end of the long shaft respectively comprise at least one triangular ring groove and one chisel tooth; the triangular ring grooves are axially and sequentially arranged on the shaft body of the long shaft, and a gap is arranged between every two adjacent triangular ring grooves. The pipe body of the chemical agent can be broken into pieces with the one end of the triangular ring groove and the hole of the wall body is inserted as long as the connector one end of the chemical anchor bolt is knocked, the installation is very convenient, the time is saved, the triangular ring groove is in contact with glue, stones and pipe body fragments in the chemical agent, the connecting force of the triangular ring groove and the chemical anchor bolt is increased, and the chemical anchor bolt is connected with the wall body more firmly.

After the anchor bolt in the above patent is fixed in the wall through the bonding material, have very high intensity in the axial, be difficult for being extracted, nevertheless in circumference, if when hard spin lock nut, can cause the whole circumferential direction of anchor bolt, the anchor bolt takes place to become flexible promptly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a reinforcing groove has, reinforcing groove is along the radial extension of major axis, after fixing on the wall, and the bonding material not only cladding is around the fastening section, and infiltration to reinforcing inslot in addition, when the major axis received circumferential direction's power, and the bonding material of infiltration to reinforcing inslot is as an organic whole with the outside bonding material of fastening section, prevents the rotation of major axis, reaches good circumference fixed purpose, prevents that the crab-bolt from taking place not hard up.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high strength back taper bolt, includes the major axis, be provided with fastening section and linkage segment on the major axis, be provided with the external screw thread on the linkage segment, the one end that the major axis corresponds fastening section is provided with the anchor head, fastening section includes a plurality of circular truncated cones that arrange in proper order along the axial, is provided with the ring between two adjacent circular truncated cones, set up on anchor head and the fastening section and strengthen the groove, it extends to the axis direction by the circumference of fastening section and anchor head to strengthen the groove.

Further said strengthening groove does not extend radially through the anchoring section and the anchor head.

Or the reinforcing groove penetrates through the fastening section and the anchor head in the radial direction.

Furthermore, the reinforcing groove extends from the anchor head to the fastening section, and penetrates through the anchor head, the two circular rings and the conical frustum in the axial direction.

A plurality of annular grooves are arranged on the outer surface of the further cone frustum.

Further the linkage segment department of major axis is provided with the internal connection hole, the internal connection hole is formed by the tip of linkage segment extends to inside, the internal connection hole is provided with the internal thread.

Compared with the prior art, the invention has the beneficial effects that: the reinforcing groove extends along the radial direction of the long shaft, after the reinforcing groove is fixed on the wall, the bonding material not only wraps around the fastening section, but also permeates into the reinforcing groove, and when the long shaft is subjected to the force of circumferential rotation, the bonding material permeating into the reinforcing groove and the bonding material outside the fastening section are integrated, so that the rotation of the long shaft is prevented, and the purpose of good circumferential fixation is achieved; the reinforcing groove only penetrates through the anchor head, the two circular rings and the conical frustum, so that the fastening section still has a plurality of circular rings and conical frustums which are not penetrated through, and the axial strength of the fastening section is ensured; wherein the interior connecting hole can make the linkage segment constantly can be connected with the nut, can be connected with the bolt moreover, and application scope is wider.

Drawings

FIG. 1 is a perspective view of a first embodiment of the high-strength inverted cone bolt of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of the high strength inverted cone bolt of the present invention;

FIG. 3 is a perspective view of a second embodiment of the high-strength inverted cone bolt of the present invention;

fig. 4 is a cross-sectional view of a second embodiment of the high-strength inverted cone bolt of the present invention.

Reference numerals: 11. a fastening section; 112. a reinforcing groove; 12. a connecting section; 121. an external thread; 122. an inner connection hole; 1221. an internal thread; 21. a truncated cone; 212. an annular groove; 22. a circular ring; 3. an anchor head.

Detailed Description

Embodiments of the high strength reverse taper bolt of the present invention are further described with reference to fig. 1 to 4.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The first embodiment is as follows:

as shown in fig. 1 and 2, the high-strength inverted cone bolt comprises a long shaft, wherein a fastening section 11 and a connecting section 12 are arranged on the long shaft, an external thread 121 is arranged on the connecting section 12, an anchor head 3 is arranged at one end of the long shaft corresponding to the fastening section 11, the fastening section 11 comprises a plurality of cone frustums 21 which are sequentially arranged along the axial direction, a circular ring 22 is arranged between every two adjacent cone frustums 21, reinforcing grooves 112 are formed in the anchor head 3 and the fastening section 11, and the reinforcing grooves 112 extend from the circumferential surfaces of the fastening section 11 and the anchor head 3 to the axial direction.

In the embodiment, the reinforcing groove 112 does not extend through the radial direction of the fastening section 11 and the anchor head 3, but the reinforcing groove 112 still extends along the radial direction, and when one reinforcing groove 112 is provided, an opening is provided on the outer surface of the fastening section 11 and the anchor head 3, although the reinforcing groove 112 may be provided in a plurality of pieces, but preferably the plurality of pieces are independent from each other, and the plurality of reinforcing grooves 112 are preferably uniformly distributed along the circumference.

And the reinforcing groove 112 does not penetrate the radial direction of the fastening section 11 and the anchor head 3, the fastening section 11 and the anchor head 3 having the reinforcing groove 112 have sufficient strength and do not deform.

When the fastening section 11 of the long shaft is inserted into the wall body, the fastening section is combined with a bonding material (adhesive) injected in advance in the wall body, the bonding material enters the reinforcing groove 112 and wraps the outer surface of the fastening section 11, and after the bonding material is cured, the part of the bonding material entering the reinforcing groove 112 and the part wrapping the outer part of the fastening section 11 are integrated, so that not only can good fixation in the axial direction be realized, but also the long shaft has good strength in the circumferential direction, and looseness cannot occur.

In the preferred embodiment, the reinforcing groove 112 extends from the anchor head 3 to the fastening section 11, and the reinforcing groove 112 penetrates through the anchor head 3, the two circular rings 22 and the conical frustum 21 in the axial direction, as shown in fig. 1 and 2, in the embodiment, the fastening section 11 has four circular rings 22 and four conical frustums 21, and only the two circular rings 22 and the conical frustum 21 facing one side of the anchor head 3 have the reinforcing groove 112, so that the axial tensile strength of the fastening section 11 can still be ensured.

The preferred outer surface of the truncated cone 21 of this embodiment is provided with a plurality of annular grooves 212, and one or more of the truncated cones 21 may have the annular grooves 212, and the annular grooves 212 enable the fastening section 11 to have more contact surfaces to be in contact with the bonding material without changing the overall shape of the truncated cone 21.

In this embodiment, an inner connection hole 122 is disposed at the connection section 12 of the long shaft, the inner connection hole 122 is formed by extending an end portion of the connection section 12 to the inside, and the inner connection hole 122 is provided with an internal thread 1221.

Fastening section 11 stretches into in the wall body fixedly with the wall body, and linkage segment 12 is located outside the wall body for connect other parts or products, through addding the in-connection hole 122 that has internal thread 1221, can use its connecting bolt, and through original external screw thread 121, then can coupling nut, realize multiple mode connection fixed product or part promptly, improve the suitability.

Example two:

as shown in fig. 3 and 4, the reinforcing groove 112 in this embodiment radially penetrates the fastening section 11 and the anchor head 3, and in this case, the reinforcing groove 112 preferably has only one groove, and the remaining technical features are the same as those in the first embodiment.

The reinforcing groove 112 with the structure is easy to process and low in production cost.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high strength back taper bolt, includes the major axis, be provided with fastening section and linkage segment on the major axis, be provided with the external screw thread on the linkage segment, the one end that the major axis corresponds fastening section is provided with the anchor head, the fastening section includes a plurality of circular truncated cones that arrange in proper order along the axial, is provided with ring, its characterized in that between two adjacent circular truncated cones: the anchor head and the fastening section are provided with reinforcing grooves, and the reinforcing grooves extend from the circumferential surfaces of the fastening section and the anchor head to the axis direction.

2. The high strength inverted cone bolt according to claim 1, wherein: the reinforcing groove does not penetrate through the radial direction of the fastening section and the anchor head.

3. The high strength inverted cone bolt according to claim 1, wherein: the reinforcing groove penetrates through the fastening section and the anchor head in the radial direction.

4. The high-strength inverted cone bolt according to claim 2 or 3, characterized in that: the reinforcing groove extends from the anchor head to the fastening section, and penetrates through the anchor head, the two circular rings and the conical frustum in the axial direction.

5. The high strength inverted cone bolt according to claim 4, wherein: and a plurality of annular grooves are formed in the outer surface of the cone frustum.

6. The high strength inverted cone bolt according to claim 5, wherein: the connecting section of the long shaft is provided with an inner connecting hole, the inner connecting hole is formed by extending the end part of the connecting section to the inside, and the inner connecting hole is provided with an internal thread.