CN220168321U - Recoverable and reusable expansion bolt device - Google Patents

Recoverable and reusable expansion bolt device Download PDF

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Publication number
CN220168321U
CN220168321U CN202321697783.4U CN202321697783U CN220168321U CN 220168321 U CN220168321 U CN 220168321U CN 202321697783 U CN202321697783 U CN 202321697783U CN 220168321 U CN220168321 U CN 220168321U
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CN
China
Prior art keywords
fixed sleeve
stud
round platform
expansion
double
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Application number
CN202321697783.4U
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Chinese (zh)
Inventor
白书宏
郭义
李�杰
王浩楠
李永峰
吴利君
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Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Priority to CN202321697783.4U priority Critical patent/CN220168321U/en
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Publication of CN220168321U publication Critical patent/CN220168321U/en
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Abstract

The utility model discloses a recyclable expansion bolt device, which comprises a fixed sleeve, wherein the bottom end of the fixed sleeve is provided with a round platform stud for expanding the fixed sleeve, the inside of the fixed sleeve is provided with an adjusting stud for rotating the round platform stud, the bottom end of the adjusting stud is provided with a cross groove, the top surface of the round platform stud is provided with a cross bump, the fixed sleeve is expanded in a hole of a fixed facility through the connection rotation of the adjusting stud and the round platform stud, the adjusting stud can be taken out from the fixed sleeve after the round platform stud is expanded in the hole of the fixed facility, no convex part is arranged on the surface after construction is finished, a flat working surface is provided for subsequent construction, the waterproof construction quality is ensured, untimely unsafe factors in the processes of external enclosure construction and the like are avoided, and the counter rotation of the adjusting stud can separate the round platform stud from the fixed sleeve, so that the fixed sleeve and the adjusting stud can be easily taken out from the hole of the facility, the recycling of part of the device is realized, and the construction cost is reduced.

Description

Recoverable and reusable expansion bolt device
Technical Field
The utility model belongs to the technical direction of expansion bolts, and particularly relates to a recyclable expansion bolt device.
Background
Along with the rapid development of engineering construction, the use frequency of expansion bolts in the engineering construction field is also gradually increased, for example, the bottom of a part of temporary enclosure is reinforced, the steel support anti-falling rope is installed, and in the decoration and fitment engineering, most expansion bolts used at present are unrepeatable bolts, the bolts are left in the wall body after being driven into the wall body, the support structure is used for laying waterproof coiled materials after construction, the expansion bolts are usually required to be cut off due to the existence of protruding parts, and the spike is usually left after the cutting off, hidden danger is left, the waterproof coiled materials are damaged, and the like, and the subsequent treatment of the bolts is time-consuming and laborious. After the lower part of the temporary enclosure is fastened, a protruding part exists, hidden danger is easily caused to surrounding pedestrians and vehicles, and the current construction requirement is not met.
Most of the existing expansion bolt devices are fixed in the device after being used, recycling is difficult, post-treatment is difficult, most of the existing expansion bolt devices have convex expansion bolts to be cut off when being used, and sharp burrs are often left after the expansion bolts are cut off, so that hidden dangers can be left.
Disclosure of Invention
The present utility model is directed to a recyclable expansion bolt device for solving the problems of the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a recoverable and repeatedly usable's expansion bolts device, includes fixed sleeve, fixed sleeve's bottom is equipped with the round platform double-screw bolt that is used for the fixed sleeve inflation, fixed sleeve's inside is equipped with and is used for round platform double-screw bolt pivoted regulation double-screw bolt, and adjusts double-screw bolt and fixed sleeve swing joint, the cross groove has been seted up to the bottom of adjusting the double-screw bolt, the top surface of round platform double-screw bolt is equipped with the cross lug, and cross lug and cross groove block are connected.
The utility model further discloses that the second thread groove is formed in the fixed sleeve, the surface of the round platform stud is provided with the expansion thread, and the expansion thread is in threaded connection with the second thread groove.
The utility model further discloses that the surface array of the fixed sleeve is provided with expansion ports, the expansion ports penetrate through the bottom end of the fixed sleeve, and the expansion ports penetrate through the second thread groove.
According to the utility model, the surface of the adjusting stud is provided with the recovery thread, the inside of the fixed sleeve is provided with the first thread groove, and the recovery thread is in threaded connection with the first thread groove.
According to the utility model, the bottom end of the adjusting stud is provided with the limiting block, the top surface of the limiting block is fixedly provided with the hexagonal bolt head, and the diameter length of the limiting block is larger than that of the fixed sleeve.
The utility model further discloses that the top end of the fixed sleeve is provided with the flange, and the diameter length of the limiting block is larger than the inner diameter length of the flange.
Compared with the prior art, the utility model has the following beneficial effects: in the present utility model, the number of the components,
through setting up adjusting stud and round platform double-screw bolt in fixed sleeve, through adjusting stud and round platform stud's connection rotation, make round platform double-screw bolt with fixed sleeve's inflation in the hole of fixed facility after, adjusting stud can take out from the fixed sleeve in, the back surface does not have protruding part after the construction is accomplished, provide smooth working face for follow-up construction, waterproof construction quality has been guaranteed, avoid outside to enclose in-process such as keep off construction and follow-up untimely unsafe factor of handling, and adjusting stud's reverse rotation can separate round platform double-screw bolt and fixed sleeve, make fixed sleeve and adjusting stud can easily follow in the facility hole and take out, the recycling of part device has been realized, construction cost has been reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is an exploded view of the overall structure of the present utility model;
fig. 4 is a partial structural cross-sectional view of the present utility model.
In the figure: 1. a hexagonal bolt head; 2. adjusting the stud; 3. fixing the sleeve; 4. round platform studs; 5. a limiting block; 6. a flange plate; 7. recovering the screw thread; 8. a cross groove; 9. an expansion port; 10. cross-shaped protruding blocks; 11. an expansion thread; 12. a first thread groove; 13. and a second thread groove.
Detailed Description
The technical scheme of the present utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a recoverable and repeatedly usable's expansion bolts device, includes fixed sleeve 3, and fixed sleeve 3's bottom is equipped with the round platform double-screw bolt 4 that is used for fixed sleeve 3 inflation, and fixed sleeve 3's inside is equipped with and is used for round platform double-screw bolt 4 pivoted regulation double-screw bolt 2, and regulation double-screw bolt 2 and fixed sleeve 3 swing joint, and cross groove 8 has been seted up to the bottom of regulation double-screw bolt 2, and the top surface of round platform double-screw bolt 4 is equipped with cross lug 10, and cross lug 10 and cross groove 8 block are connected.
Through adjusting the rotary connection of double-screw bolt 2 and round platform double-screw bolt 4, make round platform double-screw bolt 4 with fixed sleeve 3 inflation in the hole of fixed facility after, adjust double-screw bolt 2 can take out from fixed sleeve 3, the construction is accomplished the back surface and is had not have protruding part, for follow-up construction provides smooth working face, waterproof construction quality has been guaranteed, avoid outside enclose keep off in-process such as construction and follow-up processing untimely unsafe factor, and adjust the counter-rotation of double-screw bolt 2 can separate round platform double-screw bolt 4 and fixed sleeve 3 moreover, make fixed sleeve 3 and adjust double-screw bolt 2 and can easily follow the facility hole and take out, the recycling of partial device has been realized, construction cost has been reduced.
The second thread groove 13 is formed in the fixed sleeve 3, the expansion thread 11 is arranged on the surface of the round platform stud 4, and the expansion thread 11 is in threaded connection with the second thread groove 13.
Because the cross section of the bottom of the circular truncated cone stud 4 is trapezoid, when the adjusting stud 2 is rotated, the circular truncated cone stud 4 enters the pipe sleeve along with the second thread groove 13, and the bottom end of the pipe sleeve is extruded.
The expansion opening 9 is arranged on the surface array of the fixed sleeve 3, the expansion opening 9 penetrates through the bottom end of the fixed sleeve 3, the expansion opening 9 penetrates through the second thread groove 13, the round platform stud 4 is extruded more quickly due to the design of the expansion opening 9, and deformation of the bottom end of the fixed sleeve is facilitated.
The surface of the adjusting stud 2 is provided with a recovery thread 7, a first thread groove 12 is formed in the inner portion of the fixed sleeve 3, the recovery thread 7 is in threaded connection with the first thread groove 12, when the adjusting stud 2 reversely rotates and ejects the round table stud 4 from the bottom end of the fixed sleeve 3, the recovery thread 7 on the surface of the adjusting stud 2 is connected with the first thread groove 12, and then the adjusting stud 2 and the fixed sleeve 3 can be pulled out together through clamping the hexagonal bolt head 1.
The bottom of adjusting stud 2 is equipped with stopper 5, and the top surface of stopper 5 is fixed with hexagon bolt head 1, and the diameter length of stopper 5 is greater than the diameter length of fixed sleeve 3, and stopper 5's effect is that prevent to adjust stud 2 entering pipeline sleeve, and the top of fixed sleeve 3 is equipped with flange piece 6, and the diameter length of stopper 5 is greater than the internal diameter length of flange piece 6.
To sum up: when the expansion bolt device is used, as the bottom section view of the circular truncated cone stud 4 is trapezoid, when the adjustment stud 2 is rotated, the circular truncated cone stud 4 can enter the pipeline sleeve along with the second thread groove 13 to be extruded at the bottom end of the pipeline sleeve, the expansion port 9 is designed to enable the extrusion of the circular truncated cone stud 4 to be faster, deformation of the bottom end of the fixing sleeve is facilitated, when the adjustment stud 2 reversely rotates and ejects the circular truncated cone stud 4 from the bottom end of the fixing sleeve 3, the recovery thread 7 on the surface of the adjustment stud 2 can be connected with the first thread groove 12, then the adjustment stud 2 and the fixing sleeve 3 can be pulled out together through clamping the hexagon bolt head 1, the limiting block 5 is used for preventing the adjustment stud 2 from entering the pipeline sleeve, the circular truncated cone stud 4 can be taken out from the fixing sleeve 3 after the circular truncated cone stud 4 expands in a hole of a fixing facility through the connection rotation of the adjustment stud 2, no protruding part is arranged on the surface of the fixing sleeve 3, smooth working surface is provided for subsequent construction, waterproof construction quality is guaranteed, unsafe factors such as in the process of external construction and subsequent processing are avoided, the adjustment stud 2 can be separated from the fixing sleeve 3 in time, and the cost of the adjustment stud 4 can be easily recycled from the fixing sleeve 3, and the fixing sleeve can be reduced.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a recoverable and repeatedly usable expansion bolts device, includes fixed sleeve (3), its characterized in that: the bottom of fixed sleeve (3) is equipped with round platform double-screw bolt (4) that are used for fixed sleeve (3) inflation, the inside of fixed sleeve (3) is equipped with and is used for round platform double-screw bolt (4) pivoted regulation double-screw bolt (2), and adjusts double-screw bolt (2) and fixed sleeve (3) swing joint, cross groove (8) have been seted up to the bottom of adjusting double-screw bolt (2), the top surface of round platform double-screw bolt (4) is equipped with cross lug (10), and cross lug (10) and cross groove (8) block are connected.
2. A recyclable and reusable expansion bolt device as described in claim 1, wherein: the inside of fixed sleeve (3) has seted up second thread groove (13), the surface of round platform double-screw bolt (4) is equipped with expansion screw thread (11), and expansion screw thread (11) and second thread groove (13) threaded connection.
3. A recyclable and reusable expansion bolt device as claimed in claim 2, wherein: the surface array of fixed sleeve (3) has offered expansion port (9), and expansion port (9) run through the bottom of fixed sleeve (3), and expansion port (9) run through second screw groove (13).
4. A recyclable and reusable expansion bolt device according to claim 3, wherein: the surface of adjusting stud (2) is equipped with retrieves screw thread (7), first thread groove (12) have been seted up to the inside of fixed sleeve (3), and retrieve screw thread (7) and first thread groove (12) threaded connection.
5. A recyclable and reusable expansion bolt device as described in claim 4, wherein: the bottom of adjusting double-screw bolt (2) is equipped with stopper (5), the top surface of stopper (5) is fixed with hexagon bolt head (1), the diameter length of stopper (5) is greater than the diameter length of fixed sleeve (3).
6. A recyclable and reusable expansion bolt device as described in claim 5, wherein: the top of the fixed sleeve (3) is provided with a flange (6), and the diameter length of the limiting block (5) is greater than the inner diameter length of the flange (6).
CN202321697783.4U 2023-06-30 2023-06-30 Recoverable and reusable expansion bolt device Active CN220168321U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321697783.4U CN220168321U (en) 2023-06-30 2023-06-30 Recoverable and reusable expansion bolt device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321697783.4U CN220168321U (en) 2023-06-30 2023-06-30 Recoverable and reusable expansion bolt device

Publications (1)

Publication Number Publication Date
CN220168321U true CN220168321U (en) 2023-12-12

Family

ID=89055662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321697783.4U Active CN220168321U (en) 2023-06-30 2023-06-30 Recoverable and reusable expansion bolt device

Country Status (1)

Country Link
CN (1) CN220168321U (en)

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