CN220954225U - Joint converter for connection between steel bars - Google Patents
Joint converter for connection between steel bars Download PDFInfo
- Publication number
- CN220954225U CN220954225U CN202322598960.XU CN202322598960U CN220954225U CN 220954225 U CN220954225 U CN 220954225U CN 202322598960 U CN202322598960 U CN 202322598960U CN 220954225 U CN220954225 U CN 220954225U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- clamping sleeve
- outer sleeve
- connection
- reinforcing bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 6
- 210000001503 joint Anatomy 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a joint converter for connecting steel bars, which comprises an outer sleeve, wherein the outer sleeve comprises a first connecting end and a second connecting end, the first connecting end is provided with internal threads connected with external threads on a first steel bar, the second connecting end is sleeved on a second steel bar, the joint converter also comprises an inner sleeve arranged between the first steel bar and the outer sleeve, the inner sleeve is provided with internal threads and external threads, and the inner sleeve is in threaded connection with the first steel bar and the first connecting end of the inner sleeve and the outer sleeve. The utility model can realize the connection with the sleeve without changing the diameter of the steel bar, has high field assembly efficiency, saves the field welding time and increases the connection strength; the utility model is suitable for pile foundation engineering and is used for butt joint of two steel bars.
Description
Technical Field
The utility model belongs to the field of civil engineering, and particularly relates to a joint converter for connecting reinforcing steel bars.
Background
In the civil engineering field, utilize telescopic connection more between pile foundation steel bar and the deformed steel bar (namely the reinforcing bar), the concrete mode is: the steel bar end is upset through a hot pier process to form a pier head with the diameter matched with the inner diameter of the sleeve, the pier head is sleeved with threads by a machine tool, finally the inner threaded end of the sleeve is connected with the threaded end of the steel bar, the other end of the sleeve is rotationally connected with a pile foundation steel rod, and the threaded steel can be connected with and detached from the sleeve by rotating the sleeve.
However, most of hot pier processes are in-situ welding, and the ends of the steel bars are melted by adopting a mode of air pressure welding or flash butt welding, and then a pier head is formed after a certain pressure is applied, so that time and labor are wasted, and the pier head has the following defects in preparation and in-situ use: 1. the end part of the steel bar is easy to be heated and deformed when hot heading is carried out; 2. the upsetting quality is difficult to control, and brittle failure is easy to occur at the pier head; 3. the pier head and the steel bar are integrated, and if the pier head is to be removed in the later stage, the pier head can only be cut off, so that the material waste is caused.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model aims to provide a joint converter for connecting between reinforcing steel bars, which can realize the connection with a sleeve without hot pier heads on the reinforcing steel bars.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a connect converter for being connected between reinforcing bar, includes the outer sleeve, and the outer sleeve includes first link and second link, is provided with the internal thread of the external screw thread connection on the first reinforcing bar on the first link, and the second link cover is located on the second reinforcing bar, still including setting up the inner skleeve between first reinforcing bar and outer sleeve, be provided with interior, external screw thread on the inner skleeve, inner skleeve and first reinforcing bar, inner skleeve and outer sleeve first link are threaded connection.
As a limitation of the present utility model: the clamping sleeve is of a truncated cone structure, the clamping sleeve is fixed on the outer diameter of the second reinforcing steel bar, the second connecting end is sleeved on the outer diameter of the clamping sleeve, and the inner diameter size of the second connecting end is between the diameter sizes of two circular surfaces of the clamping sleeve; the spring is arranged in the outer sleeve, the spring is in a compressed state, and two ends of the spring are respectively contacted with the inner sleeve and the second reinforcing steel bar.
As a further limitation of the utility model: the clamping sleeve comprises a plurality of arc-shaped pieces arranged along the circumference of the second reinforcing steel bar, the inner diameter of each arc-shaped piece is matched with the outer diameter of the second reinforcing steel bar, a limiting groove is formed in the outer diameter of the clamping sleeve along the circumference of the clamping sleeve, and a limiting ring used for fixing the clamping sleeve on the second reinforcing steel bar is arranged in the limiting groove.
As a further limitation of the utility model: the arc piece is provided with the screw thread on the one side that contacts with the second reinforcing bar.
As another definition of the utility model: the outer contour of the outer sleeve is a polygonal prism structure.
As a further limitation of the utility model: the position where the spring contacts the inner sleeve is provided with a gasket.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
The utility model is an improvement on a sleeve in the prior art, and the concrete improvement point is that an inner sleeve is added, an inner thread for connecting with an outer thread on a first reinforcing steel bar and an outer thread for connecting with an inner thread of a first connecting end of an outer sleeve are arranged on the inner sleeve, the structure does not need to form a pier head for a reinforcing steel bar hot pier, the connection between the first reinforcing steel bar and the outer sleeve is realized through the inner sleeve, the diameter of the reinforcing steel bar is not changed, the problem that the joint of the reinforcing steel bar and the pier head is easy to break is avoided, and the time for hot pier on site is saved.
In conclusion, the utility model can realize the connection with the sleeve on the premise of not changing the diameter of the steel bar, has high field assembly efficiency, saves the field welding time and increases the connection strength; the utility model is suitable for pile foundation engineering and is used for butt joint of two steel bars.
Drawings
The utility model will be described in more detail below with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the structural relationship of pile foundation steel bars, outer sleeves, arc-shaped sheets and limiting rings;
figure 4 is a schematic illustration of the application of an embodiment of the present utility model (external threads on the inner sleeve are not shown).
In the figure: the device comprises a 1-inner sleeve, 2-screw steel, a 3-pile foundation steel rod, 4-arc-shaped sheets, 5-outer sleeve, 51-first connecting ends, 52-second connecting ends, 6-limiting rings, 7-springs and 8-gaskets.
Detailed Description
Preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that a splice converter for use in connection between rebar is described herein as a preferred embodiment and is merely illustrative and illustrative of the present utility model and is not to be construed as limiting the utility model.
The terms or positional relationships of "upper" and "lower" and the like in the embodiments are based on the positional relationships of fig. 4 in the drawings of the specification of the present utility model, and are merely for convenience of describing the present utility model and simplifying the description, and are not intended to indicate or imply that the apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the protection of the present utility model.
Embodiment a joint converter for connection between reinforcing bars
As shown in fig. 1 to 4, the embodiment includes an outer sleeve 5 and an inner sleeve 1, the outer sleeve 5 includes a first connecting end 51 and a second connecting end 52, an internal thread is provided on the first connecting end 51 of the outer sleeve 5, the first connecting end 51 of the outer sleeve 5 is connected with a first reinforcing steel bar through the inner sleeve 1, an internal thread and an external thread are provided on the inner sleeve 1, and the inner sleeve 1 is in threaded connection with the first reinforcing steel bar, and the inner sleeve 1 is in threaded connection with the first connecting end 51; the second connecting end 52 is sleeved on the second reinforcing steel bar, the structure can be connected with the sleeve without hot pier heads on the reinforcing steel bars, the on-site welding time is saved, the risk of breakage of the pier heads is avoided, and the connecting strength is increased.
The connection between a pile foundation steel rod 3 and a deformed steel bar 2 in pile foundation engineering is taken as an example for explanation in this embodiment, wherein a first steel bar is the deformed steel bar 2, and a second steel bar is the pile foundation steel rod 3.
The external diameter of the inner sleeve 1 is equal to the internal diameter of the outer sleeve 5, the inner sleeve 1 is fixed on the outer sleeve 5 through threaded connection, the structure only needs to be provided with external threads on the threaded steel 2, after the threaded end of the threaded steel 2 stretches into the inner sleeve 1, the outer sleeve 5 is screwed, the threaded steel 2 is screwed into the inner sleeve 1, and then connection with the pile foundation steel rod 3 is achieved.
As shown in fig. 2 and 3, a clamping sleeve is arranged between the second connecting end 52 of the outer sleeve 5 and the pile foundation steel rod 3, the clamping sleeve comprises a plurality of arc-shaped sheets 4 arranged along the circumferential direction of the pile foundation steel rod 3, in this embodiment, the number of the arc-shaped sheets 4 is two, the inner diameters of the two arc-shaped sheets 4 are matched with the outer diameter of the pile foundation steel rod 3, the matching means that the inner diameter of the arc-shaped sheets 4 can be jointed with the outer diameter of the pile foundation steel rod 3, a limiting groove is formed in the outer diameter of the arc-shaped sheets 4 along the circumferential direction of the pile foundation steel rod 3, a limiting ring 6 is arranged in the limiting groove, in this embodiment, the limiting ring 6 is a rubber band and used for tightening the clamping sleeve on the pile foundation steel rod 3, and the limiting ring 6 in this embodiment can also be a steel wire or a rope; each arc piece 4 is provided with threads on one surface contacted with the pile foundation steel rod 3 for increasing friction, so that the arc pieces 4 are firmly attached to the pile foundation steel rod 3, and the pile foundation steel rod is not easy to slide, and the threads on the inner diameter of the first connecting end 51 and the arc pieces 4 in fig. 2 and 3 are not shown. In the embodiment, the clamping sleeve can be of an integrated ring structure, and the clamping sleeve is in interference fit with the pile foundation steel rod 3, so that the clamping sleeve can be fixed on the pile foundation steel rod 3.
The whole clamping sleeve is of a truncated cone structure, as shown in fig. 2, the diameter of the upper end of the clamping sleeve is larger than that of the lower end of the clamping sleeve, and the second connecting end 52 of the outer sleeve 5 is sleeved on the outer diameter of the clamping sleeve. The inner diameter of the second connecting end 52 is larger than the diameter of the lower end of the clamping sleeve and smaller than the diameter of the upper end of the clamping sleeve, so that the outer sleeve 5 can be sleeved and fixed on the clamping sleeve, and in order to further realize firm fixation between the outer sleeve 5 and the pile foundation steel rod 3, a spring 7 is arranged in the outer sleeve 5, two ends of the spring 7 are respectively contacted with the inner sleeve 1 and the pile foundation steel rod 3, after the inner sleeve 1 is screwed into the outer sleeve 5, the spring 7 is in a compressed state, and at the moment, the spring 7 generates thrust to the outer sleeve 5 back to the pile foundation steel rod 3, so that the outer sleeve 5 cannot slide downwards along the pile foundation steel rod 3; the position where the spring 7 contacts the inner sleeve 1 is provided with a spacer 8 for increasing the contact area of the spring 7 with the inner sleeve 1.
In order to facilitate screwing the outer sleeve 5, the outer contour of the second connecting end 52 of the outer sleeve 5 is in a hexagonal prism shape or an eight-square prism shape, and the structure can be screwed by using a wrench or a pipe wrench.
When the embodiment is used, as shown in fig. 3, the second connecting end 52 of the outer sleeve 5 is downwards sleeved on the pile foundation steel rod 3, the two arc sheets 4 are attached to the outer diameter of the pile foundation steel rod 3, the two arc sheets are tightly tightened by using rubber bands to be fixed on the pile foundation steel rod 3, the outer sleeve 5 is moved upwards, the second connecting end 52 of the outer sleeve 5 is sleeved on the arc sheets 4, the outer sleeve 5 can be sleeved and fixed on the clamping sleeve because the inner diameter of the second connecting end 52 is smaller than the diameter of the upper end of the clamping sleeve, the first connecting end 51 of the outer sleeve 5 is higher than the pile foundation steel rod 3, the spring 7 is placed in the outer sleeve 5, the upper end of the spring 7 is provided with a gasket 8, the inner sleeve 1 is screwed into the first connecting end 51 of the outer sleeve 5 through threads, the spring 7 is compressed to generate upward elastic force, the outer sleeve 5 and the pile foundation steel rod 3 play a double fixing role, finally the threaded steel 2 is screwed into the inner sleeve 1, and the outer sleeve 5 is screwed by using the wrench, and the outer sleeve 5 is screwed with the second connecting end 52 of the outer sleeve 5, and the pile foundation steel rod is not screwed with the threaded steel rod 2, and the outer sleeve 2 can be screwed downwards along with the rotation of the steel rod 3, thus the steel rod can not rotate, and the steel rod can be connected with the pile foundation steel rod 2, and the steel rod can be screwed downwards, and can be screwed with the steel rod 3, and can see fig. 2.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but the present utility model is described in detail with reference to the foregoing embodiment, and it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a connect converter for being connected between reinforcing bar, includes the outer sleeve, and the outer sleeve includes first link and second link, is provided with the internal thread of the external screw thread connection on the first reinforcing bar on the first link, and the second link cover is located on the second reinforcing bar, its characterized in that still includes the inner skleeve that sets up between first reinforcing bar and outer sleeve, is provided with internal and external screw thread on the inner skleeve, and inner skleeve and first reinforcing bar, inner skleeve and outer sleeve first link are threaded connection.
2. The joint converter for connecting steel bars according to claim 1, further comprising a clamping sleeve and a spring, wherein the clamping sleeve is of a truncated cone structure, the clamping sleeve is fixed on the outer diameter of the second steel bar, the second connecting end is sleeved on the outer diameter of the clamping sleeve, and the inner diameter size of the second connecting end is between the diameter sizes of two circular surfaces of the clamping sleeve; the spring is arranged in the outer sleeve, the spring is in a compressed state, and two ends of the spring are respectively contacted with the inner sleeve and the second reinforcing steel bar.
3. The joint transformer for connection between reinforcing bars according to claim 2, wherein the clamping sleeve comprises a plurality of arc-shaped pieces arranged along the circumference of the second reinforcing bar, the inner diameter of each arc-shaped piece is matched with the outer diameter of the second reinforcing bar, a limit groove is formed in the outer diameter of the clamping sleeve along the circumference of the clamping sleeve, and a limit ring for fixing the clamping sleeve on the second reinforcing bar is arranged in the limit groove.
4. A joint transformer for coupling between reinforcement bars according to claim 3, wherein the arcuate tab is threaded on a side thereof which contacts the second reinforcement bar.
5. A joint converter for use in connection between reinforcement bars according to any of claims 1-4, wherein the outer sleeve has a polygonal outer profile.
6. A joint adapter for use in connection between reinforcement bars according to claim 5, wherein the spring is provided with shims at the location where it contacts the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598960.XU CN220954225U (en) | 2023-09-25 | 2023-09-25 | Joint converter for connection between steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598960.XU CN220954225U (en) | 2023-09-25 | 2023-09-25 | Joint converter for connection between steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220954225U true CN220954225U (en) | 2024-05-14 |
Family
ID=90975421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322598960.XU Active CN220954225U (en) | 2023-09-25 | 2023-09-25 | Joint converter for connection between steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220954225U (en) |
-
2023
- 2023-09-25 CN CN202322598960.XU patent/CN220954225U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |