CN211691089U - Direct insertion type self-locking steel bar connector - Google Patents
Direct insertion type self-locking steel bar connector Download PDFInfo
- Publication number
- CN211691089U CN211691089U CN202020081524.9U CN202020081524U CN211691089U CN 211691089 U CN211691089 U CN 211691089U CN 202020081524 U CN202020081524 U CN 202020081524U CN 211691089 U CN211691089 U CN 211691089U
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- Prior art keywords
- locking
- piece
- connector according
- steel bar
- connecting piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 238000003780 insertion Methods 0.000 title claims abstract description 11
- 230000037431 insertion Effects 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a direct insertion type self-locking steel bar connector, compared with the prior art, the operation is simple and reliable, the disassembly and the installation can be rapidly carried out, the labor cost is saved to a larger extent, the opening of a thread clamping piece is effectively prevented from being closed in the installation process through the inwards concave insertion end at the top of the thread clamping piece and a retaining piece clamped in a locking cylinder, and the installation and construction efficiency of steel bar connection is effectively improved; including connecting piece and centrum sleeve, the centrum sleeve is the locking end of removing the head toper including the link that is used for dismantling the connection connecting piece and inner chamber, is provided with the retaining member that is used for locking the twisted steel in the locking end, its characterized in that: the locking piece comprises a locking barrel which is enclosed by at least two thread clamping pieces and is in a shape of a truncated cone and an elastic piece; the elastic piece acts between the locking cylinder and the connecting piece in a compressed state; the inner side surface of the locking cylinder is provided with a thread groove; the outer side surface of the thread clamping piece is in sliding fit with the inner cavity surface of the locking end; the locking cylinder is internally clamped with a retaining piece.
Description
Technical Field
The utility model relates to a twisted steel bar connection technical field, more specifically the formula auto-lock steel bar connector that cut straightly that says so.
Background
The steel bar connection refers to a connection mode of steel bars, and the connection mode of the steel bars mainly comprises four connection modes of binding and lapping, mechanical connection, sleeve grouting connection and welding.
As for mechanical connection, the existing available technologies comprise cold pressing connection of a steel bar sleeve and straight thread sleeve connection of a steel bar, and the steel bar cold pressing connection device has the characteristics of complicated construction procedures, long operation period and high labor cost. The existing steel bar connector technology falls behind, the operation procedure is complex, the labor cost investment is high, threading processing is required to be carried out on steel bars in the process of screw thread connection technology, time and labor are wasted in the installation process, an operation space is needed in the process of cold pressing connection, a hydraulic press is needed, and the time and labor wasting phenomenon is also caused.
Disclosure of Invention
In view of this, the utility model provides a formula auto-lock steel bar connector cut straightly compares prior art, and easy operation is reliable, can be quick dismantle and install, has saved the cost of labor in the great degree, and the keeper of joint in grafting end, the locking section of thick bamboo through screw thread clamping piece top indent effectively prevents that the opening of screw thread clamping piece is closed in the installation, effectively improves steel bar connection's installation efficiency of construction.
In order to achieve the above object, the utility model provides a following technical scheme:
formula auto-lock steel bar connector cut straightly, including connecting piece and centrum sleeve, centrum sleeve is the locking end of removing the head toper including the link that is used for dismantling the connecting piece and inner chamber, is provided with the retaining member that is used for locking twisted steel in the locking end, its characterized in that: the locking piece comprises a locking barrel which is enclosed by at least two thread clamping pieces and is in a shape of a truncated cone and an elastic piece; the elastic piece acts between the locking cylinder and the connecting piece in a compressed state; the inner side surface of the locking cylinder is provided with a thread groove; the outer side surface of the thread clamping piece is in sliding fit with the inner cavity surface of the locking end; the locking cylinder is internally clamped with a retaining piece.
Preferably, both ends of the connecting piece are provided with external threads, and the connecting end is internally provided with internal threads corresponding to the threads.
Preferably, the two end faces of the connecting piece are concave to form mounting grooves.
Preferably, the external diameter of elastic component is less than locking barrel bottom external diameter, and the one end of elastic component is installed in the mounting groove, and the other end top of elastic component touches the bottom face at a locking barrel.
Preferably, the diameter of the twisted steel is larger than the inner diameter of the locking cylinder, and the diameter of the twisted steel is smaller than the outer diameter of the top of the locking cylinder.
Preferably, the number of the thread clamping pieces is three, and the top of each thread clamping piece is an inwards concave inserting end.
Preferably, the retaining member is a spring, and the retaining member is clamped in the thread groove.
Preferably, the outer diameter of the retaining member is greater than the inner diameter of the locking barrel, and the inner diameter of the retaining member is less than the inner diameter of the locking barrel.
Preferably, the elastic member is a spring.
Preferably, the connecting piece is of a hollow structure.
Compared with the prior art, the utility model discloses formula auto-lock steel bar connector's beneficial effect does cut straightly:
the utility model discloses formula auto-lock steel bar connector cut straightly compares prior art, and easy operation is reliable, and dismantlement and installation that can be quick have saved the cost of labor to a great extent, and the opening closure of screw thread clamping piece effectively prevents at the installation in the holding member of joint in the end of pegging graft of screw thread clamping piece top indent, the locking section of thick bamboo effectively improves steel bar connection's installation efficiency of construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is a schematic structural view of the connector 1;
FIG. 3 is a schematic view of the structure of the sleeve 2 for vertebral bodies;
fig. 4 is a schematic structural view of the threaded clip 3;
in the figure: the connecting piece 1, external screw thread 11, mounting groove 12, centrum sleeve 2, link 21, locking end 22, screw thread clamping piece 3, grafting end 31, cooperation end 32, thread groove 33, elastic component 4, keeper 5.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described below in detail with reference to the accompanying drawings and the detailed description, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a formula auto-lock steel bar connector cut straightly compares prior art, and easy operation is reliable, dismantlement and installation that can be quick, has saved the cost of labor to a great extent, and the keeper of joint in grafting end, the locking section of thick bamboo through screw thread clamping piece top indent effectively prevents that the opening of screw thread clamping piece is closed in the installation, effectively improves steel bar connection's installation efficiency of construction.
The following describes the direct-insertion self-locking steel bar connector in detail in conjunction with the embodiments and the accompanying drawings.
With reference to fig. 1-4, the direct-insertion self-locking steel bar connector provided by this embodiment includes a connecting member 1 and two cone sleeves 2, each cone sleeve 2 includes a connecting end 21 for detachably connecting the connecting member 1 and a locking end 22 with an inner cavity in the shape of a truncated cone, external threads 11 are respectively disposed at two ends of the connecting member 1, internal threads corresponding to the threads 11 are disposed in the connecting end 21, two cone sleeves 2 are respectively screwed to two ends of the connecting member 1;
a locking part for locking the threaded steel bar is arranged in the locking end 22, the locking part comprises a locking barrel which is enclosed by at least two threaded clamping pieces 3 and is in a shape of a truncated cone, and an elastic piece 4, the elastic piece 4 acts between the locking barrel and the connecting piece 1 in a compression state, and the plurality of threaded clamping pieces 3 are only contacted; the elastic piece 4 applies outward elasticity to the locking barrel to enable the top of the locking barrel to be tightly matched with the upper part of the inner cavity of the locking end 22, on one hand, the shape of the locking barrel surrounded by the plurality of threaded clamping pieces 3 can be kept, threaded steel bars can be inserted in use, on the other hand, continuous elasticity can be formed for the threaded clamping pieces 3 after installation, and the threaded steel bars are prevented from being pulled out due to the fact that the threaded clamping pieces 3 fall off in the retraction process of the threaded steel bars; the elastic member 4 is preferably a spring.
The two end faces of the connecting piece 1 are concave to form the mounting grooves 12, and the connecting piece 1 is of a hollow structure, so that on one hand, the mass of a component can be reduced, the cost is reduced, on the other hand, under the condition that the specifications of the elastic pieces 4 are the same, the compression degree of the elastic pieces 4 can be increased, and a more reliable jacking effect is achieved; the outer diameter of the elastic part 4 is smaller than the outer diameter of the bottom of the locking cylinder, one end of the elastic part 4 is installed in the installation groove 12, the other end of the elastic part 4 is abutted against the bottom end face of the locking cylinder, in the process of installing the fastening steel bar, along with the downward feeding of the threaded steel bar, the threaded clamping piece 3 is matched with the inner cavity of the locking end 22 to slide downwards, the elastic part 4 is further stressed and compressed, and the inner diameter of the elastic part 4 is larger than the maximum outer diameter of the threaded steel bar so as to prevent the threaded clamping piece 3 from sliding into the outer side of the elastic part 4;
the number of the preferable threaded clamping pieces 3 is three, the top of each threaded clamping piece 3 is provided with an inwards concave insertion end 31, the diameter of each threaded steel bar is larger than the inner diameter of the locking cylinder, the diameter of each threaded steel bar is smaller than the outer diameter of the top of the locking cylinder, and in the process of installing the fastening steel bars, the end of each threaded steel bar can be abutted against an annular surface surrounded by the three insertion ends 31, as shown in fig. 1 and 4, the inwards concave insertion ends 31 facilitate downward sliding feeding of the threaded steel bars along the inclined surfaces of the threaded steel bars when the threaded steel bars are inserted;
the inner side surface of the locking cylinder is provided with a thread groove 33, the cross section of the thread groove 33 is triangular as shown in fig. 4, the size of the thread groove is larger than that of the thread on the surface of the threaded steel bar, and the thread groove is convenient to clamp and fix, and the cross section of the thread groove 33 is not limited to the shape, and can also be semicircular so as to be better matched with the thread on the surface of the threaded steel bar; the outer side surface of the thread clamping piece 3 is in sliding fit with the inner cavity surface of the locking end 22; a locking section of thick bamboo in the joint have a keeper 5, preferred keeper 5 is the spring, 5 joints of keeper are in thread groove 33, the external diameter of keeper 5 is greater than the internal diameter of a locking section of thick bamboo, and the internal diameter of keeper 5 is less than the internal diameter of a locking section of thick bamboo, keeper 5 plays the effect that keeps a locking section of thick bamboo shape, at the in-process that the screw reinforcement fed downwards, keeper 5 can apply elasticity to three screw thread clamping piece 3, make screw thread clamping piece 3 can cooperate and slide downwards in locking end 22 inner chamber, prevent that direct 3 extrusion of three screw thread clamping piece lead to the last port of three screw thread clamping piece 3 to tighten up when the screw reinforcement stretches into.
Preferably, the external faces of the connecting element 1 and the connecting end 21 can be hexagonal in shape, facilitating the operations of mounting and dismounting by means of tools.
The device assembling method comprises the following steps: the connecting end 21 of the cone sleeve 2 is upward, the three thread clamping pieces 3 are placed, and the retaining piece 5 is placed in a circle surrounded by the three thread clamping pieces 3; in the natural state, the three threaded jaws 3 are separated and not enclosed, being obstructed by the retaining member 5; next, placing the elastic piece 4, screwing one end of the connecting piece 1 with the connecting end 21 through the external thread 11, and tightly enclosing the three thread clamping pieces 3 to form a locking cylinder to extrude the retaining piece 5 under the elastic force of the elastic piece 4; the screw thread clamping piece 3, the elastic piece 4 and the retaining piece 5 are placed on the vertebral body sleeve 2 on the other side, and then the vertebral body sleeve 2 on the other side is installed on the other end of the connecting piece 1 in a threaded mode, so that installation can be completed and the vertebral body sleeve is placed for later use.
The connection method of the twisted steel comprises the following steps: the threaded steel bar is abutted against a ring formed by the three insertion ends 31, the threaded clamping pieces 3 are pushed down by inward force, the three threaded clamping pieces 3 are kept separated from each other under the action of the elastic force of the retaining piece 5, the three threaded clamping pieces 3 are prevented from being directly extruded when the threaded steel bar extends into the ring, so that the upper ports of the three threaded clamping pieces 3 are tightened, the threaded steel bar further extends into a circle surrounded by the three threaded clamping pieces 3, the retaining piece 5 is then extruded downwards into the elastic piece 4, the threaded steel bar at one end is installed when the threaded steel bar extends to the bottom, when the threaded steel bar is pulled outwards, the threads on the surface of the threaded steel bar are clamped by the thread grooves 33, and the three threaded clamping pieces 3 are further locked after being stressed to prevent the threaded steel bar from being pulled out; the installation method of the twisted steel on the other side is the same.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. Formula auto-lock steel bar connector cut straightly, including connecting piece and centrum sleeve, centrum sleeve is the locking end of removing the head toper including the link that is used for dismantling the connecting piece and inner chamber, is provided with the retaining member that is used for locking twisted steel in the locking end, its characterized in that: the locking piece comprises a locking barrel which is enclosed by at least two thread clamping pieces and is in a shape of a truncated cone and an elastic piece; the elastic piece acts between the locking cylinder and the connecting piece in a compressed state; the inner side surface of the locking cylinder is provided with a thread groove; the outer side surface of the thread clamping piece is in sliding fit with the inner cavity surface of the locking end; the locking cylinder is internally clamped with a retaining piece.
2. An in-line self-locking rebar connector according to claim 1, wherein: the both ends of connecting piece all are provided with the external screw thread, set up the internal thread that corresponds the screw thread in the link.
3. An in-line self-locking rebar connector according to claim 1, wherein: the two end faces of the connecting piece are concave inwards to form mounting grooves.
4. An in-line self-locking rebar connector according to claim 3, wherein: the external diameter of elastic component is less than locking bobbin base portion external diameter, and the one end of elastic component is installed in the mounting groove, and the other end top of elastic component touches the bottom face at a locking bobbin.
5. An in-line self-locking rebar connector according to claim 1, wherein: the diameter of twisted steel is greater than the internal diameter of a locking cylinder, just the diameter of twisted steel is less than locking cylinder top external diameter.
6. An in-line self-locking rebar connector according to claim 1, wherein: the threaded clamping pieces are three in number, and the top of each threaded clamping piece is an inwards concave insertion end.
7. An in-line self-locking rebar connector according to claim 1, wherein: the retaining piece is a spring and is clamped in the thread groove.
8. An in-line self-locking rebar connector according to claim 7, wherein: the outer diameter of the retaining member is greater than the inner diameter of the locking barrel, and the inner diameter of the retaining member is less than the inner diameter of the locking barrel.
9. An in-line self-locking rebar connector according to claim 1, wherein: the elastic piece is a spring.
10. An in-line self-locking rebar connector according to claim 1, wherein: the connecting piece is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081524.9U CN211691089U (en) | 2020-01-15 | 2020-01-15 | Direct insertion type self-locking steel bar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081524.9U CN211691089U (en) | 2020-01-15 | 2020-01-15 | Direct insertion type self-locking steel bar connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211691089U true CN211691089U (en) | 2020-10-16 |
Family
ID=72772091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020081524.9U Expired - Fee Related CN211691089U (en) | 2020-01-15 | 2020-01-15 | Direct insertion type self-locking steel bar connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211691089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107182A (en) * | 2021-04-25 | 2021-07-13 | 湖南大学 | Safe and reliable welding-free closed flower basket type adjusting pull rod |
-
2020
- 2020-01-15 CN CN202020081524.9U patent/CN211691089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107182A (en) * | 2021-04-25 | 2021-07-13 | 湖南大学 | Safe and reliable welding-free closed flower basket type adjusting pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |