CN212055413U

CN212055413U - Interior gecko that compels with barrier ring

Info

Publication number: CN212055413U
Application number: CN201922422891.0U
Authority: CN
Inventors: 张雅欣; 赖绣奇
Original assignee: Ningbo Anwang Special Fastener Co ltd
Current assignee: Ningbo Anwang Special Fastener Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-12-01
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to an interior gecko that forces with barrier ring belongs to inflation screw technical field. Its main technical scheme includes tubulose sleeve pipe and stopper, the both ends of tubulose sleeve pipe are first end and second end respectively, the internal thread has been seted up to first end, a plurality of flutings have been seted up to the port of second end, the stopper embedding in the tubulose sleeve pipe, still including preventing the stopper from the barrier ring of tubulose sleeve pipe roll-off, the barrier ring embedding in the tubulose sleeve pipe and be located between internal thread and the fluting, the internal diameter of barrier ring is less than the diameter of stopper, the inner circle of barrier ring is equipped with at least one flexure strip along its footpath. When the plug is installed, the end part of the plug is abutted to the elastic sheet, the plug is extruded by external force, the elastic sheet is bent after being extruded by the plug, the plug penetrates through the inner ring of the blocking ring and enters the tubular sleeve and is located between the blocking ring and the second end, the plug cannot slide out of the tubular sleeve, and workers can directly use the internal compression gecko.

Description

Interior gecko that compels with barrier ring

Technical Field

The utility model relates to an inflation screw technical field, in particular to interior gecko that forces with barrier ring.

Background

An expansion bolt is a special threaded connector used for fixing pipeline supports or equipment on walls, floors and columns. There are many kinds of expansion bolts, and an interior forced gecko is one kind of expansion bolt.

Referring to fig. 1 and 2, the conventional forced gecko includes a tubular casing 1, a plug 2 and a fixing plate 3, wherein the plug 2 and the fixing plate 3 are both located in the tubular casing 1. The two ends of the tubular casing 1 are respectively a first end 11 and a second end 12, the inner diameter of the first end 11 is larger than that of the second end 12, the inner side wall of the first end 11 is provided with an internal thread 111, the port of the second end 12 is provided with four slots 121 and is divided into four rosettes, and the second end 12 forms an expandable end. The plug 2 is round platform form, and the diameter of the little head of plug 2 is greater than the diameter of second end 12 ports, and stationary blade 3 is the cylindrical slice of cross-section, and stationary blade 3 is made by plastics, has certain deformability, and the diameter of stationary blade 3 is greater than the diameter of first end 11, and stationary blade 3 imbeds in tubular sleeve 1. When the gecko is forced to transport, the small end of the plug 2 is plugged into the tubular sleeve 1 from the first end 11, then the fixing piece 3 is plugged into the tubular sleeve 1, the plug 2 is blocked by the fixing piece 3, and the plug 2 is prevented from sliding out of the tubular sleeve 1.

However, in the transportation process of the internal compression gecko, the internal compression gecko is placed in the packaging bag, the internal compression gecko is irregularly distributed in the packaging bag, in the transportation process, the fixing pieces in the inverted or poured internal compression gecko are easily shaken off from the internal compression gecko, the plug cannot be blocked by the fixing pieces, the plug can slide out of the tubular sleeve, so that when workers use the internal compression gecko, the plug needs to be placed in the tubular sleeve again, and the workload of the workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an internal forcing gecko with barrier ring prevents that stopper from following the roll-off in the tubulose sleeve pipe.

The utility model aims at realizing through the following technical scheme:

the utility model provides an interior gecko of compelling with barrier ring, includes tubulose sleeve pipe and stopper, tubulose sheathed tube both ends are first end and second end respectively, the internal thread has been seted up to first end, a plurality of flutings have been seted up to the port of second end, the stopper embedding in the tubulose sleeve pipe, still including preventing the barrier ring of stopper follow tubulose sleeve pipe roll-off, the barrier ring embedding in the tubulose sleeve pipe just be located between internal thread and the fluting, the internal diameter of barrier ring is less than the diameter of stopper, the inner circle of barrier ring is followed its radial at least one flexure strip that is equipped with.

By adopting the technical scheme, the blocking ring is positioned in the tubular sleeve, and the outer ring of the blocking ring is abutted against the inner side wall of the tubular sleeve, so that the blocking ring is not easy to slide out of the tubular sleeve; when the plug is installed, the end part of the plug is abutted to the elastic sheet, the plug is extruded by external force, the elastic sheet is bent after being extruded by the plug, the plug penetrates through the inner ring of the blocking ring and enters the tubular sleeve and is located between the blocking ring and the second end, the plug cannot slide out from the second end, the elastic sheet blocks the path of the plug penetrating through the blocking ring, the plug cannot slide out from the tubular sleeve, and a worker can directly use the internal forcing gecko.

The utility model discloses further set up to: the elastic pieces are arranged in at least two numbers, and the elastic pieces are symmetrical around the center of the stop ring.

By adopting the technical scheme, when the plug is positioned between the blocking ring and the second end, the plurality of elastic sheets improve the resistance for limiting the plug to slide out of the blocking ring, so that the plug is prevented from sliding out of the tubular sleeve; the elastic sheet is centrosymmetric about the blocking ring, so that the blocking ring is more uniform when the force of the plug sliding out of the tubular sleeve is applied, and the blocking ring is more stable in the tubular sleeve; meanwhile, under the combined action of the elastic pieces, when the plug is positioned between the stop ring and the second end, the axial direction of the plug is kept parallel to the axial direction of the tubular sleeve, so that the gecko is convenient for workers to use.

The utility model discloses further set up to: the side of the elastic sheet departing from the stop ring is provided with a guide surface.

By adopting the technical scheme, the guide surface facilitates the plug to pass through the elastic sheet, so that the elastic sheet is easier to bend.

The utility model discloses further set up to: the elastic piece is provided with an elastic rope in a penetrating mode, the elastic rope is annular, and the elastic rope and the blocking ring are coaxially arranged.

Through adopting above-mentioned technical scheme, when the stopper gets into between barrier ring and the second end from the barrier ring, the flexure after the flexure of flexure strip by stopper extrusion on the barrier ring, the elasticity rope is pulled after the flexure strip, and the elasticity rope is stretched, and when the stopper was located barrier ring and second end completely, the elasticity rope shrink, and the elasticity rope of shrink drives the one end that the flexure strip deviates from the barrier ring inner circle and removes to the one side that deviates from the stopper to drive the flexure strip reconversion.

The utility model discloses further set up to: and a rubber ring is arranged between the blocking ring and the tubular sleeve.

Through adopting above-mentioned technical scheme, the rubber ring has elasticity, and when the barrier ring was located between the tubulose sleeve pipe, the rubber ring was for between the inside wall of barrier ring and tubulose sleeve pipe, and the rubber ring is extruded, and the rubber ring after being extruded has bounce-back force, makes the barrier ring at tubulose sleeve intraductal fixed, prevents that the barrier ring from following the intraductal roll-off of tubulose sleeve.

The utility model discloses further set up to: the inner ring of the rubber ring is provided with an installation groove, and the stop ring is embedded into the installation groove.

Through adopting above-mentioned technical scheme, in the mounting groove of barrier ring embedding rubber ring, make firm in connection between barrier ring and the rubber ring, prevent that the barrier ring breaks away from the rubber ring.

The utility model discloses further set up to: the section of the mounting groove is T-shaped.

Through adopting above-mentioned technical scheme, the T type makes to be connected more firmly between barrier ring and the rubber ring, further prevents that the barrier ring from breaking away from in the rubber ring.

The utility model discloses further set up to: the rubber ring outer lane is equipped with a plurality of axial and leads to the groove, the axial leads to the groove and follows the same distance setting of rubber ring outer lane interval.

Through adopting above-mentioned technical scheme, adjacent diaxon is to leading to between the groove and is formed protruding, protruding and the sheathed tube inside wall butt, receives the extrusion back as the rubber ring, produces deformation behind the protruding atress, makes protruding to the axial of next door lead to the groove inflation, and then makes rubber ring and the laminating of tubulose sleeve pipe inseparabler, makes the barrier ring intraductal more stable at tubulose sleeve.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses, when the stopper is installed, with the tip and the flexure strip butt of stopper, utilize external force extrusion stopper, the flexure strip receives the extrusion of stopper after the extrusion, the stopper passes the inner circle of barrier ring, gets into the tubulose sleeve pipe and lies in between barrier ring and the second end, the stopper can not follow the roll-off of second end, the flexure strip blocks the route that the stopper passed the barrier ring, make the stopper can not follow the intraductal roll-off of tubulose sleeve pipe, the staff can directly use the interior gecko;

2. the rubber ring of the utility model improves the stability of the stop ring in the tubular sleeve and prevents the stop ring from sliding out of the tubular sleeve;

3. the utility model discloses, adjacent diaxon forms the arch to leading to between the groove, receives the extrusion back when the rubber ring, protruding deformation and to the axial of next door lead to the groove inflation, make rubber ring and tubulose sleeve pipe laminating inseparabler to it is more stable at tubulose sheathed tube to make the barrier ring.

Drawings

FIG. 1 is an exploded view of a state of the art forced gecko;

FIG. 2 is a schematic view of a second end of a prior art forced gecko;

FIG. 3 is an exploded view of an embodiment of an internal forced gecko;

FIG. 4 is a cross-sectional view of the stopper and blocker ring positioned within the tubular sleeve according to an embodiment;

FIG. 5 is a schematic structural view of a stopper ring and a rubber ring in the embodiment;

FIG. 6 is a top view of the stopper ring and the rubber ring in the embodiment;

fig. 7 is a cross-sectional view a-a of fig. 6.

In the figure, 1, a tubular sleeve; 11. a first end; 111. an internal thread; 12. a second end; 121. grooving; 2. a plug; 3. a fixing sheet; 4. a blocking ring; 41. an elastic sheet; 411. a guide surface; 42. an elastic cord; 5. a rubber ring; 51. mounting grooves; 52. an axial through slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 3 and 4, the interior-forced gecko with the stop ring comprises a tubular sleeve 1, a plug 2 and the stop ring 4, wherein a first end 11 and a second end 12 are respectively arranged at two ends of the tubular sleeve 1, the inner diameter of the first end 11 is larger than that of the second end 12, an internal thread 111 is arranged on the inner side wall of the first end 11, four slots 121 are arranged at the end opening of the second end 12, the slots 121 are long-strip-shaped, the slots 121 penetrate through the inner side wall and the outer side wall of the tubular sleeve 1, and the four slots 121 divide the second end 12 into four petals so that the second end 12 forms an expanded end portion.

The plug 2 is in a round table shape, the diameter of the large end of the plug 2 is smaller than the inner diameter of the first end 11, the diameter of the large end of the plug 2 is larger than the inner diameter of the second end 12, the plug 2 is located in the tubular sleeve 1, and when the plug 2 is installed, the small end of the plug 2 is plugged into the tubular sleeve 1 from the first end 11.

Referring to fig. 5, the stop ring 4 is made of a plastic material, the stop ring 4 is located inside the tubular sleeve 1, the stop ring 4 is located between the internal thread 111 of the tubular sleeve 1 and the slot 121, and the stop ring 4 is not abutted to the internal thread 111. The inner diameter of the stop ring 4 is larger than the diameter of the small end of the plug 2, and the inner diameter of the stop ring 4 is smaller than the diameter of the large end of the plug 2. The inner ring of the stop ring 4 is provided with at least two elastic pieces 41 along the radial direction, six elastic pieces 41 are arranged in the embodiment, the six elastic pieces 41 are arranged at the same interval, the elastic pieces 41 are arranged in a central symmetry manner relative to the stop ring 4, the elastic pieces 41 are in a long strip shape, the elastic pieces 41 and the stop ring 4 are arranged integrally, and the length direction of the elastic pieces 41 is parallel to the radial direction of the stop ring 4. The side of the spring plate 41 facing away from the catch ring 4 is provided with a guide surface 411. The end of the resilient tab 41 facing away from the stop ring 4 forms a circular channel having a diameter greater than the small end of the stopper 2 and smaller than the large end of the stopper 2.

The elastic piece 41 is provided with an elastic rope 42 in a penetrating manner, the elastic rope 42 is arranged at one end of the elastic piece 41 departing from the blocking ring 4, the elastic rope 42 penetrates through a group of opposite side faces of the elastic piece 41, the elastic rope 42 is in a circular ring shape, and the elastic rope 42 and the blocking ring 4 are coaxially arranged.

Referring to fig. 6 and 7, the outer ring of the blocking ring 4 is sleeved with a rubber ring 5, and the rubber ring 5 is located between the blocking ring 4 and the tubular casing 1. The inner ring of the rubber ring 5 is provided with a mounting groove 51, the section of the mounting groove 51 is T-shaped, and the outer ring of the stop ring 4 is embedded into the mounting groove 51.

The outer ring of the rubber ring 5 is provided with a plurality of axial through grooves 52, the axial through grooves 52 penetrate through two end faces of the rubber ring 5, the axial through grooves 52 are arranged at the same interval along the outer ring of the rubber ring 5, and a protrusion is formed between every two adjacent axial through grooves 52. When the barrier ring 4 imbeds in the tubulose sleeve pipe 1, rubber ring 5 is extruded, and the arch of the rubber ring 5 after receiving the extrusion extends to the axial through groove 52 next door, improves the deformation volume of rubber ring 5, makes rubber ring 5 more stable in tubulose sleeve pipe 1, improves the firmness of being connected between barrier ring 4 and the tubulose sleeve pipe 1.

The working principle of the embodiment is as follows: when the gecko is forced to assemble, firstly, the blocking ring 4 is embedded into the rubber ring 5, then the blocking ring 4 is embedded into the tubular sleeve 1, the rubber ring 5 is positioned between the blocking ring 4 and the rubber ring 5, then, the small end of the plug 2 is plugged into the tubular sleeve 1 from the first end 11 of the tubular sleeve 1, external force is utilized, the plug 2 is plugged into the tubular sleeve 1 from the inner ring of the blocking ring 4, the elastic sheet 41 of the blocking ring 4 is bent under the action force of the plug 2, the plug 2 passes through the blocking ring 4 and is positioned between the blocking ring 4 and the second end 12, then, the elastic sheet 41 of the blocking ring 4 is restored to the original state, and the plug 2 is not easy to slide out of the tubular sleeve 1 under the blocking of.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an interior gecko that compels with barrier ring, includes tubulose sleeve pipe (1) and stopper (2), the both ends of tubulose sleeve pipe (1) are first end (11) and second end (12) respectively, internal thread (111) are seted up in first end (11), a plurality of fluting (121) have been seted up to the port of second end (12), stopper (2) embedding in tubulose sleeve pipe (1), its characterized in that still includes barrier ring (4) that prevents stopper (2) from tubulose sleeve pipe (1) roll-off, barrier ring (4) embedding in tubulose sleeve pipe (1) and be located between internal thread (111) and fluting (121), the internal diameter of barrier ring (4) is less than the diameter of stopper (2), the inner circle of barrier ring (4) is equipped with at least one flexure strip (41) along its footpath.

2. An internal forced gecko with blocking ring according to claim 1, characterized in that said elastic pieces (41) are provided in at least two, a plurality of said elastic pieces (41) being centrosymmetric with respect to said blocking ring (4).

3. An internal forced gecko with blocking ring according to claim 2, characterized in that the side of the resilient tab (41) facing away from the blocking ring (4) is provided with a guide surface (411).

4. An internal forcing gecko with blocking ring according to claim 3, characterized in that said elastic blades (41) are pierced with elastic cords (42), said elastic cords (42) being annular, said elastic cords (42) being arranged coaxially with said blocking ring (4).

5. An internal forced gecko with a blocking ring according to claim 1, characterized in that a rubber ring (5) is arranged between the blocking ring (4) and the tubular sleeve (1).

6. The forced-in gecko with stop ring according to claim 5, characterized in that the inner ring of the rubber ring (5) is provided with a mounting groove (51), and the stop ring (4) is embedded in the mounting groove (51).

7. An internal forced gecko with blocking ring according to claim 6, characterized in that the mounting groove (51) is T-shaped in cross-section.

8. An internal forced gecko with blocking ring according to claim 7, characterized in that the outer ring of the rubber ring (5) is provided with several axial through slots (52), said axial through slots (52) being arranged at equal intervals along the outer ring of the rubber ring (5).