CN218843352U

CN218843352U - Anti-pulling mechanical connector

Info

Publication number: CN218843352U
Application number: CN202221974368.4U
Authority: CN
Inventors: 郑金钟; 徐云英
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-04-11
Anticipated expiration: 2032-07-28

Abstract

The utility model provides an anti-pulling mechanical connector, include: the upper part of the connecting piece is provided with a connecting part, the lower part of the connecting piece is provided with a locking part, the locking part comprises a plurality of spring blocks which are arranged at intervals along the circumferential direction of the connecting piece and have fan-shaped cross sections, and the inner walls of the spring blocks are enclosed to form a locking channel; the limiting sleeve is internally provided with a limiting channel, the outer diameter of the locking part is matched with the inner diameter of the limiting channel, and the locking channel is locked and arranged through the matching of the spring blocks and the limiting sleeve. The utility model provides an anti-pulling mechanical connector can be when realizing the high-speed joint mechanical connector, and the holistic structure of the simplified mechanical connector of maximize reduces part quantity, and the process of assembling mechanical connector is simple quick, only needs to be connected connecting piece and concrete prefabricated component and accomplishes the equipment promptly, simultaneously, utilizes locking portion and stop collar's cooperation, makes mechanical connector have the anti-pulling effect of high strength.

Description

Anti-pulling mechanical connector

Technical Field

The utility model relates to a mechanical connector field specifically indicates an anti-pulling mechanical connector.

Background

The precast concrete members are building members, including beams, plates, columns, building finishing accessories and the like, which are manufactured in advance in factories by using concrete as a basic material. At present, mechanical connectors are commonly adopted for connecting concrete prefabricated parts.

However, in the existing mechanical connector, it is generally necessary to provide a single spring or a plurality of springs to cooperate with other structures, so as to achieve the effects of locking the connector and resisting pulling, for example, application No. 202120037264.X, which is named as a patent application of a tapered split concrete connector, specifically, the effect of locking the steel bar connector and resisting pulling is achieved through the cooperation between the sleeve, the transition piece and the pre-tightening spring. The arrangement makes the overall structure of the mechanical connector complex, the parts are various, and the process of assembling the mechanical connector is complex, time-consuming and labor-consuming.

The problem design resistance to plucking mechanical connector that exists to above-mentioned prior art is the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides an anti-pulling mechanical connector can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

an anti-plucking mechanical connector, comprising:

the upper part of the connecting piece is provided with a connecting part, the lower part of the connecting piece is provided with a locking part, the locking part comprises a plurality of spring blocks which are arranged at intervals along the circumferential direction of the connecting piece and have fan-shaped cross sections, and the inner walls of the spring blocks are enclosed to form a locking channel;

the limiting sleeve is internally provided with a limiting channel, the outer diameter of the locking part is matched with the inner diameter of the limiting channel, and the locking channel is locked and arranged through the matching of the spring blocks and the limiting sleeve.

Furthermore, it is a plurality of all be equipped with a plurality of rather than radial parallel and interval distribution's arc external tooth on the lateral wall of spring block, be equipped with in the spacing passageway with a plurality of annular internal teeth of arc external tooth looks adaptation, locking portion passes through the cooperation top of arc external tooth and annular internal tooth is located in the spacing passageway.

Furthermore, a plurality of arc-shaped outer teeth are all set to be inclined upwards, and a plurality of annular inner teeth are all set to be inclined downwards.

Furthermore, the cross section of the plurality of arc-shaped external teeth is set to be of a first right-angle triangular structure with the bevel edge facing downwards, and the cross section of the plurality of annular internal teeth is set to be of a second right-angle triangular structure with the bevel edge facing upwards.

Furthermore, the cross section of the plurality of arc-shaped external teeth is set to be a first right-angle trapezoid structure with a downward bevel edge, and the cross section of the plurality of annular internal teeth is set to be a second right-angle trapezoid structure with an upward bevel edge.

Furthermore, the distance between a plurality of the annular inner teeth is arranged to be sparse at the upper part and dense at the lower part.

Furthermore, the device also comprises a first embedded part and a second embedded part, wherein the first embedded part is detachably arranged on the connecting part, and the second embedded part is detachably arranged on the upper end of the limiting sleeve.

Furthermore, a connecting channel and a mounting channel are formed in the first embedded part and the second embedded part respectively, and the sum of the lengths of the connecting channel, the mounting channel and the limiting channel is matched with the length of the connecting piece.

Accordingly, the present invention provides the following effects and/or advantages:

the utility model provides an anti-pulling mechanical connector, which comprises a connecting piece, wherein the upper part is arranged as a connecting part, the lower part is arranged as a locking part, the locking part comprises a plurality of spring blocks which are arranged at intervals along the circumferential direction of the connecting piece and have fan-shaped cross sections, and a locking channel is formed by enclosing the spring blocks; the limiting sleeve is internally provided with a limiting channel, and the outer diameter of the locking part is matched with the inner diameter of the limiting channel. The arrangement of the structure utilizes the spring blocks to replace parts such as springs in the prior art, and locking of the locking channel is achieved through the cooperation of the spring blocks and the limiting sleeve. Can be when realizing high-speed joint mechanical connector, the holistic structure of simplification mechanical connector of maximize, reduce part quantity, and the simple quick of process of equipment mechanical connector, only need be connected connecting piece and concrete prefabricated component and accomplish the equipment promptly, squeeze into its inside installation that can accomplish mechanical connector of the stop collar of embedding in another concrete prefabricated component again, time saving and labor saving, and simultaneously, utilize locking portion and stop collar's cooperation, make mechanical connector have the anti-pulling effect of high strength.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

Fig. 1 is an explosion structure diagram of a first embodiment of the present invention.

Fig. 2 is an exploded sectional view of a connecting member and a limiting sleeve according to a first embodiment of the present invention.

Fig. 3 is a schematic perspective view of a connecting member according to a first embodiment of the present invention.

Fig. 4 is an exploded cross-sectional structural diagram of a first embodiment of the present invention.

Fig. 5 is a schematic view of a cross-sectional structure after the installation of the embodiment of the present invention.

Fig. 6 is an exploded sectional view of a connecting member and a limiting sleeve according to a second embodiment of the present invention.

Fig. 7 is an exploded sectional view of a connecting member and a limiting sleeve according to a third embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

example one

In this embodiment, the uplift mechanical connector is used to connect the first precast concrete component 5 and the second precast concrete component 6.

Referring to fig. 1-5, an anti-pulling mechanical connector includes:

the connecting piece 1 is provided with a connecting part 11 at the upper part and a locking part 12 at the lower part, the locking part 12 comprises a plurality of spring blocks 121 which are arranged at intervals along the circumferential direction of the connecting piece 1 and have fan-shaped cross sections, in the embodiment, the number of the spring blocks 121 is four, in other embodiments, the number of the spring blocks 121 can be adaptively adjusted according to specific conditions, and locking channels 123 are formed by enclosing the inner walls of the spring blocks 121; in this embodiment, the spring block 121 is made of spring steel, specifically, 65 mn steel is used, and the 65 mn steel plate can be made into various workpieces after heat treatment, such as a retainer ring, a gasket, a spring plate, etc., and the surface layer of the spring block rapidly undergoes work hardening under strong impact and extrusion conditions, so that the hardened layer has good wear resistance while maintaining good toughness and plasticity. In other embodiments, the spring block 121 may be made of other spring steel materials with good toughness and plasticity, and is not limited in particular.

Limiting sleeve 2, inside formation limiting channel 21, the external diameter of locking portion 12 with limiting channel 21's internal diameter looks adaptation, locking channel 123 through a plurality of spring block 121 with limiting sleeve 2's cooperation locking setting.

The arrangement of the structure utilizes the spring blocks 121 to replace parts such as springs in the prior art, and the locking channel 123 is locked by matching the spring blocks 121 and the limiting sleeve 2. Can be when realizing the quick-connect mechanical connector, the holistic structure of the simplified mechanical connector of maximize, reduce part quantity, and the simple quick of the process of equipment mechanical connector, only need to be connected connecting piece 1 and concrete prefabricated component and accomplish the equipment promptly, squeeze into the installation that can accomplish mechanical connector inside 2 of the stop sleeve of pre-burial in another concrete prefabricated component with it again, time saving and labor saving, and simultaneously, utilize

locking portion

12 and 2's of stop sleeve cooperation, make mechanical connector have the resistance to plucking effect of high strength.

In order to improve connecting piece 1's resistance to plucking effect makes simultaneously connecting piece 1 can be laborsaving install extremely in spacing sleeve 2, it is a plurality of all be equipped with a plurality of arc external teeth 122 rather than radial parallel and interval distribution on the lateral wall of spring block 121, be equipped with in spacing passageway 21 with a plurality of annular internal teeth 22 of arc external teeth 122 looks adaptation, locking portion 12 passes through arc external teeth 122 and annular internal teeth 22's cooperation top is located in the spacing passageway 21. Thereby make connecting piece 1 is being squeezed into the in-process of stop sleeve 2 can move down fast layer by layer under the inertia effect, makes when the installation labour saving and time saving of connecting piece 1 utilizes the cooperation of arc external tooth 122 and annular internal tooth 22 makes the mechanical connector have the resistance to plucking effect of high strength.

In order to enable the connecting piece 1 to be installed in the limiting sleeve 2 in a labor-saving manner, the plurality of arc-shaped outer teeth 122 are all inclined upwards, and the plurality of annular inner teeth 22 are all inclined downwards. A plurality of the inclination of arc external tooth 122 and a plurality of the inclination looks adaptation of annular internal tooth 22 the back is accomplished in the installation of connecting piece 1, and is a plurality of arc external tooth 122 and a plurality of connect through the conical surface cooperation between the contact surface of annular internal tooth 22, can strengthen stop sleeve 2 is right the limiting displacement of connecting piece 1 can strengthen the resistance to plucking ability of connecting piece 1 simultaneously.

In order to enhance the rigidity of the plurality of the arc-shaped outer teeth 122 and the plurality of the annular inner teeth 22, the cross section of the plurality of the arc-shaped outer teeth 122 is configured as a first right-angled triangular structure 124 with the hypotenuse facing downwards, and the cross section of the plurality of the annular inner teeth 22 is configured as a second right-angled triangular structure 23 with the hypotenuse facing upwards. Through being a plurality of arc external tooth 122 and a plurality of the profile of tooth of annular internal tooth 22 is established to the cross section and is stable right triangle structure to more laborsaving installation in connecting piece 1, make a plurality of arc external tooth 122 and a plurality of annular internal tooth 22 is difficult for fracture and excessive deformation. In other embodiments, the plurality of arc-shaped outer teeth 122 and the plurality of annular inner teeth 22 may also be configured as other shape structures that can enhance the rigidity strength thereof, which is not limited herein.

In order to connect the connecting piece 1 with the first precast concrete member 5 and fix the limiting sleeve 2 in the second precast concrete member 6, the connecting device further comprises a first embedded part 3 detachably arranged with the connecting part 11 and a second embedded part 4 detachably arranged with the upper end of the limiting sleeve 2. The first embedded part 3 is embedded in the first concrete prefabricated part 5, the second embedded part 4 and the limiting sleeve 2 are embedded in the second concrete prefabricated part 6, in the embodiment, external threads are arranged on the outer side walls of the upper ends of the connecting part 11 and the limiting sleeve 2, internal threads matched with the external threads are arranged on the inner side walls of the first embedded part 3 and the second embedded part 4, the connecting part 11 and the first embedded part 3 are arranged in a threaded manner, so that the upper end of the connecting part 1 is connected with the first concrete prefabricated part 5, and the upper end of the limiting sleeve 2 and the second embedded part 4 are arranged in a threaded manner, so that the area of the outer side wall of the limiting sleeve 2 is enlarged, and the limiting sleeve 2 can be embedded in the second concrete prefabricated part 6 more firmly. In other embodiments, the connection portion 11 and the first embedded part 3, and the upper end of the limiting sleeve 2 and the second embedded part 4 may also be detachably arranged in other existing connection manners, such as clamping connection and the like;

in order to enable the first precast concrete component 5 and the second precast concrete component 6 to be tightly attached after connection is completed, a connecting channel 31 and an installing channel 41 are respectively formed inside the first embedded part 3 and the second embedded part 4, and the sum of the lengths of the connecting channel 31, the installing channel 41 and the limiting channel 21 is matched with the length of the connecting piece 1. Make the mechanical connector connect the completion back, laminate each other between first concrete prefabricated component 5 and the second concrete prefabricated component 6 to better share respective bearing strength each other, simultaneously, avoid connecting piece 1 to expose in the external world, receive the damage and lead to mechanical connector to lose effect.

Example two

Referring to fig. 6, the present embodiment is different from the first embodiment in that the cross section of a plurality of the arc-shaped outer teeth 122 is configured as a first right-angle trapezoidal structure 125 with the hypotenuse facing downward, and the cross section of a plurality of the ring-shaped inner teeth 22 is configured as a second right-angle trapezoidal structure 24 with the hypotenuse facing upward. Through with a plurality of arc external tooth 122 and a plurality of the profile of tooth of annular internal tooth 22 is established to the cross section for stable and cut the right trapezoid structure of the closed angle of easy fracture in advance, can further strengthen a plurality of arc external tooth 122 and a plurality of the rigidity intensity of annular internal tooth 22 can also prevent a plurality of simultaneously arc external tooth 122 and a plurality of the fracture is caused because of wearing and tearing at annular internal tooth 22 edge, prolongs its life. In other embodiments, the plurality of arc-shaped outer teeth 122 and the plurality of annular inner teeth 22 may be configured as other types of shape structures that can enhance rigidity and reduce wear, and are not limited herein.

EXAMPLE III

Referring to fig. 7, the present embodiment is different from the first or second embodiment in that the pitch between a plurality of the ring-shaped internal teeth 22 is set to be sparse at the top and dense at the bottom. Therefore, when the connecting piece 1 just enters the limiting channel 21, the displacement distance of the connecting piece 1 is large, the installation speed is improved, and when the connecting piece 1 completely enters the limiting channel 21, the displacement distance of the connecting piece 1 is small, the balance between the first concrete prefabricated part 5 and the second concrete prefabricated part 6 can be finely adjusted, so that the centers of the first concrete prefabricated part 5 and the second concrete prefabricated part 6 are located on the same axis after the connection is completed, and the stability of the structure is enhanced.

In other embodiments, in order to improve the matching degree between the plurality of arc-shaped external teeth 122 and the plurality of annular internal teeth 22 and further enhance the pulling resistance of the connecting member 1, the distance between the plurality of arc-shaped external teeth 122 may be set to a structure with a sparse top and dense bottom corresponding to the distance between the plurality of annular internal teeth 22.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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

1. The utility model provides an anti-drawing mechanical connector which characterized in that includes:

the connecting piece (1) is provided with a connecting part (11) at the upper part and a locking part (12) at the lower part, the locking part (12) comprises a plurality of spring blocks (121) which are arranged at intervals along the circumferential direction of the connecting piece (1) and have sector-shaped cross sections, and the inner walls of the spring blocks (121) are enclosed to form a locking channel (123);

limiting sleeve (2), inside spacing passageway (21) that forms, the external diameter of locking portion (12) with the internal diameter looks adaptation of spacing passageway (21), locking passageway (123) are through a plurality of spring block (121) with the cooperation locking setting of limiting sleeve (2).

2. The anti-pulling mechanical connector according to claim 1, wherein a plurality of arc-shaped outer teeth (122) are arranged on the outer side wall of the spring block (121) and are radially parallel to the outer side wall of the spring block, the arc-shaped outer teeth are distributed at intervals, a plurality of annular inner teeth (22) matched with the arc-shaped outer teeth (122) are arranged in the limiting channel (21), and the locking portion (12) is arranged in the limiting channel (21) through the matching of the arc-shaped outer teeth (122) and the annular inner teeth (22).

3. A pull-out resistant mechanical connector as claimed in claim 2 wherein a plurality of said arcuate external teeth (122) are angled upwardly and a plurality of said internal annular teeth (22) are angled downwardly.

4. A pluck resistant mechanical joint as claimed in claim 3, wherein a cross section of a plurality of said arcuate outer teeth (122) is formed into a first right triangle (124) with its hypotenuse facing downward, and a cross section of a plurality of said annular inner teeth (22) is formed into a second right triangle (23) with its hypotenuse facing upward.

5. A connector as claimed in claim 3, wherein the cross-section of the plurality of outer arcuate teeth (122) is configured as a first right trapezoid (125) with the hypotenuse facing downward, and the cross-section of the plurality of inner annular teeth (22) is configured as a second right trapezoid (24) with the hypotenuse facing upward.

6. A mechanical connector as claimed in claim 2, characterised in that the spacing between a plurality of internal annular teeth (22) is arranged to be sparse from the top and dense from the bottom.

7. A connector as claimed in claim 1, further comprising a first embedded part (3) detachably disposed to the connecting portion (11), and a second embedded part (4) detachably disposed to the upper end of the limiting sleeve (2).

8. The anti-pulling mechanical connector according to claim 7, wherein a connecting channel (31) and a mounting channel (41) are respectively formed inside the first embedded part (3) and the second embedded part (4), and the sum of the lengths of the connecting channel (31), the mounting channel (41) and the limiting channel (21) is adapted to the length of the connecting part (1).