CN217897021U - Threaded taper sleeve type self-locking sleeve - Google Patents
Threaded taper sleeve type self-locking sleeve Download PDFInfo
- Publication number
- CN217897021U CN217897021U CN202222220844.XU CN202222220844U CN217897021U CN 217897021 U CN217897021 U CN 217897021U CN 202222220844 U CN202222220844 U CN 202222220844U CN 217897021 U CN217897021 U CN 217897021U
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- Prior art keywords
- taper sleeve
- sleeve
- nut
- taper
- swivel nut
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Abstract
The utility model provides a screw thread taper sleeve formula auto-lock sleeve for steel bar connection, mainly include the swivel nut, female one of swivel nut, female two of swivel nut, taper sleeve one, taper sleeve two and compression spring, female one of swivel nut and female two of swivel nut are connected with the swivel nut cooperation through the screw thread, taper sleeve one sets up in female one of swivel nut, taper sleeve two sets up inside female two of swivel nut, be equipped with compression spring between taper sleeve one and the taper sleeve two, female one of swivel nut and female two holes of swivel nut all are provided with the tapering, taper sleeve one is provided with the tapering with the excircle of taper sleeve, taper sleeve one is the same with two structures of taper sleeve, constitute by a plurality of taper sleeve locking plates, the hole is provided with the pawl, its main advantage is, moreover, the steam generator is simple in structure, the transverse rib cooperation on pawl and screw-thread steel surface, rely on the tapering to realize locking, the simple operation.
Description
Technical Field
The utility model relates to a steel bar connection device, especially a screw thread taper sleeve formula auto-lock sleeve.
Background art:
application No.: 202020285331.5, a steel bar connecting device, the utility model discloses a steel bar connecting device, which mainly has the following defects:
the C-shaped ring is arranged in an inner hole formed by the hoop connecting sheets, the expansion force of the C-shaped ring is a tendency that the hoop connecting sheets are opened, and the hoop connecting sheets cannot be locked in a short time after the steel bars are inserted, so that the matching length between the steel bars and the hoop connecting sheets is small; in addition, because the steel bar is not completely horizontal or vertical in the using state, the steel bar has a certain inclination angle, and the clamp connecting piece has the uneven stress condition when the steel bar inclines, so that the limiting groove of the clamp connecting piece is broken frequently.
The invention content is as follows:
the utility model aims at the defect that exists in the above-mentioned technique, provide a screw thread taper sleeve formula auto-lock sleeve.
The purpose of the utility model is realized like this: the taper sleeve nut comprises a screw sleeve, a first screw sleeve nut, a second screw sleeve nut, a first taper sleeve, a second taper sleeve and a pressure spring, and is characterized in that the first screw sleeve nut and the second screw sleeve nut are connected with the screw sleeve in a matched mode through threads, the first taper sleeve is arranged inside the first screw sleeve nut, the second taper sleeve is arranged inside the second screw sleeve nut, the pressure spring is arranged between the first taper sleeve and the second taper sleeve, an inner hole of the first screw sleeve nut is a tapered hole I, an outer circle of the first taper sleeve is a tapered surface I, the tapered hole I is matched with the tapered surface I, an inner hole of the second screw sleeve nut is a tapered hole II, an outer circle of the second taper sleeve is a tapered surface II, the tapered surface II is matched with the tapered hole II, the first taper sleeve and the second taper sleeve are identical in structure, the first taper sleeve nut and the second taper sleeve are composed of a plurality of taper sleeve locking plates, the inner holes are provided with inverted teeth, and the inverted teeth are matched with transverse ribs of reinforcing steel bars;
furthermore, an inner hole at the outer end of the nut is provided with a first chamfer, and an inner hole at the outer end of the nut is provided with a second chamfer;
furthermore, the first taper sleeve and the second taper sleeve are both composed of four taper sleeve locking plates;
further, the length L of the taper sleeve locking plate is between 1 and 800 mm;
furthermore, the included angle A between the bottom surfaces of the inverted teeth on the first taper sleeve and the second taper sleeve and the axis of the taper sleeve is 1-90 degrees, so that the whole threaded taper sleeve type self-locking sleeve is formed.
The utility model has the advantages that: simple structure, convenient operation changes original structure, and the structure is more stable durable, and the processing cost is low.
Description of the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic view of a taper sleeve locking tab structure;
fig. 5 is a bottom view of fig. 4.
Detailed Description
The present embodiment will be further explained with reference to the accompanying drawings
It can be known from fig. 1 to 5 that the taper sleeve comprises a screw sleeve 1, a first screw sleeve nut 2, a second screw sleeve nut 3, a first taper sleeve 4, a second taper sleeve 5 and a pressure spring 6, wherein the first screw sleeve nut 2 and the second screw sleeve nut 3 are connected with the screw sleeve 1 in a matched mode through threads, the first taper sleeve 4 is arranged inside the first screw sleeve nut 2, the second taper sleeve 5 is arranged inside the second screw sleeve nut 3, the pressure spring 6 is arranged between the first taper sleeve 4 and the second taper sleeve 5, the first taper sleeve 4 and the second taper sleeve 5 are identical in structure and are composed of a plurality of taper sleeve locking plates 8, inverted teeth 7 are arranged in inner holes, the inverted teeth 7 are matched with transverse ribs of reinforcing steel bars, a first conical hole 201 is arranged in the first screw sleeve nut 2, a first conical surface 401 is arranged in the first conical hole 4, the first conical hole 201 is matched with the first conical surface 401, a second conical hole 301 is arranged in the second screw sleeve 3, a second conical surface 501 is arranged in the outer circle of the second conical surface, and is matched with the second conical hole 301.
Preferably, the inner hole of the outer end of the first nut 2 is provided with a first chamfer 202, the inner hole of the outer end of the second nut 3 is provided with a second chamfer 302, and the arrangement of the chamfers facilitates the insertion of the steel bar.
Preferably, the first taper sleeve 4 and the second taper sleeve 5 are both composed of four taper sleeve locking sheets 8.
Preferably, the length L of the locking taper sleeve sheet 8 is between 1 and 800 mm.
Preferably, the included angle A between the bottom surface 701 of the inverted tooth 7 on the taper sleeve I4 and the taper sleeve II 5 and the axis of the taper sleeve is 1-90 degrees, the angle is helpful for inserting the reinforcing steel bar, when the reinforcing steel bar moves outwards, the inverted tooth 7 can clamp the transverse rib on the reinforcing steel bar, the outer circles of the taper sleeve I4 and the taper sleeve II 5 are conical surfaces, the inner holes of the screw sleeve nut I2 and the screw sleeve nut II 3 are conical holes, and when the reinforcing steel bar moves outwards, the inverted tooth 7 on the taper sleeve can clamp the transverse rib on the reinforcing steel bar and is pulled more tightly. The inverted teeth 7 described in this document are within the scope of this application in any form as long as the included angle between the bottom surface 701 and the axis of the taper sleeve satisfies the requirement of 1 ° to 90 °.
Claims (5)
1. The utility model provides a screw thread taper sleeve formula auto-lock sleeve, includes that nut, nut one, nut two, taper sleeve one, taper sleeve two and compression spring, characterized by, nut one and nut two are passed through the screw thread and are connected with the nut cooperation, and taper sleeve one sets up inside nut one, and taper sleeve two sets up inside nut two, is equipped with compression spring between taper sleeve one and taper sleeve two, nut one hole of taper sleeve be bell mouth one, taper sleeve one excircle is toper face one, toper mouth one cooperates with toper face one, nut two holes of taper sleeve are toper hole two, two excircles of taper sleeve are toper face two, toper face two cooperates with toper hole two, and taper sleeve one is the same with taper sleeve two structures, comprises a plurality of taper sleeve locking plates, and the hole all is provided with the pawl, pawl and the cooperation of horizontal rib of reinforcing bar.
2. The threaded taper sleeve type self-locking sleeve as claimed in claim 1, wherein the inner hole of the outer end of the nut is provided with a first chamfer, and the inner hole of the outer end of the nut is provided with a second chamfer.
3. The threaded taper sleeve type self-locking sleeve according to claim 1, wherein the first taper sleeve and the second taper sleeve are each composed of four taper sleeve locking pieces.
4. A threaded taper sleeve self-locking sleeve according to claim 1 or 3, wherein the length L of the taper sleeve locking piece is between 1 and 800 mm.
5. The threaded taper sleeve type self-locking sleeve according to claim 1, wherein an included angle a between the bottom surfaces of the inverted teeth on the first taper sleeve and the second taper sleeve and the axis of the taper sleeve is 1-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222220844.XU CN217897021U (en) | 2022-08-23 | 2022-08-23 | Threaded taper sleeve type self-locking sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222220844.XU CN217897021U (en) | 2022-08-23 | 2022-08-23 | Threaded taper sleeve type self-locking sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897021U true CN217897021U (en) | 2022-11-25 |
Family
ID=84144073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222220844.XU Active CN217897021U (en) | 2022-08-23 | 2022-08-23 | Threaded taper sleeve type self-locking sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897021U (en) |
-
2022
- 2022-08-23 CN CN202222220844.XU patent/CN217897021U/en active Active
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| GR01 | Patent grant |