CN215856966U - Pre-buried formula threaded fastener position sleeve - Google Patents
Pre-buried formula threaded fastener position sleeve Download PDFInfo
- Publication number
- CN215856966U CN215856966U CN202122204868.1U CN202122204868U CN215856966U CN 215856966 U CN215856966 U CN 215856966U CN 202122204868 U CN202122204868 U CN 202122204868U CN 215856966 U CN215856966 U CN 215856966U
- Authority
- CN
- China
- Prior art keywords
- threaded fastener
- positioning
- rod
- threaded
- sides
- 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.)
- Active
Links
Images
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a positioning sleeve for an embedded threaded fastener, which comprises a base body and is characterized in that: the inside both sides of base member all are provided with threaded fastener, threaded fastener's both sides all are provided with the holding ring, threaded fastener's inside threaded engagement has positioner, the inside threaded engagement of holding ring has the rotation polished rod. The utility model provides a positioning sleeve of a pre-buried threaded fastener, which is characterized in that a positioning device is limited by arranging a limiting rod in a limiting hole of a connecting block, so that the positioning device cannot rotate, and a second threaded layer of the positioning rod cannot loosen along with vibration; the rotating rod is limited by the limiting rod, the positioning ring and the threaded fastener are limited, the threaded fastener is limited and is not affected by vibration and is loosened, the whole positioning sleeve is kept fastened, and the service life of the threaded fastener is prolonged.
Description
Technical Field
The utility model relates to the technical field of threads, in particular to a positioning sleeve of an embedded threaded fastener.
Background
The positioning sleeve can be widely used in concrete-related construction projects, such as railways, roads, bridges, houses and the like, has high mechanical strength and tensile force, and can generate great resistance to bolts screwed with the positioning sleeve due to the long thread sections in the sleeve, so that the bolts are prevented from being pulled out.
At present, most of sleepers for laying and erecting railway rails are cement concrete sleepers, bolts are arranged in rail grooves at two ends of the sleepers, and after the railway rails are erected on the rail grooves, the railway rails are fastened on the bolts in the rail grooves through nuts to fix the railway rails.
Since the train drives through the rails to vibrate the sleepers, the single bolt and nut are easy to loosen due to vibration, thereby causing safety accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positioning sleeve for an embedded threaded fastener.
In order to solve the technical problem, the positioning sleeve for the pre-buried threaded fastener comprises a base body, threaded fasteners are arranged on two sides of the inner portion of the base body, positioning rings are arranged on two sides of each threaded fastener, positioning devices are meshed with inner threads of the threaded fasteners, and rotating polished rods are meshed with inner threads of the positioning rings.
Preferably, the positioning ring is provided with an engaging hole in the middle, and the inner surface of the engaging hole is provided with a second engaging layer.
Preferably, the inner surface of the threaded fastener is provided with a first engagement layer, and the outer surface of the rotating lever is provided with a first threaded layer.
Preferably, the surface of dwang is provided with first screw thread layer, the top fixedly connected with connecting block of dwang, the centre at connecting block top is provided with spacing hole.
Preferably, the positioning device comprises a positioning rod, a second thread layer is arranged at the bottom of the outer surface of the positioning rod, and a rotating block is fixedly connected to the top of the positioning rod.
Preferably, the two sides of the inside of the rotating block are respectively provided with a mounting cavity, the two sides of the bottom of the mounting cavity are both fixedly provided with a sliding rod, the two sides of the top of the mounting cavity are both provided with springs, the other end of each spring is fixedly connected with a moving block, and the middle of each moving block is provided with a limiting rod.
Compared with the prior art, the positioning sleeve of the pre-buried threaded fastener provided by the utility model has the following beneficial effects:
the utility model provides a positioning sleeve of a pre-buried threaded fastener, which is characterized in that a positioning device is limited by arranging a limiting rod in a limiting hole of a connecting block, so that the positioning device cannot rotate, and a second threaded layer of the positioning rod cannot loosen along with vibration; the rotating rod is limited by the limiting rod, the positioning ring and the threaded fastener are limited, the threaded fastener is limited and is not affected by vibration and is loosened, the whole positioning sleeve is kept fastened, and the service life of the threaded fastener is prolonged.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a pre-embedded threaded fastener locating sleeve according to the present invention;
FIG. 2 is a schematic view of the positioning device shown in FIG. 1;
fig. 3 is an enlarged view of the structure shown in fig. 1 at a.
Reference numbers in the figures: 1. the base member, 2, threaded fastener, 3, first meshing layer, 4, holding ring, 5, meshing hole, 6, second meshing layer, 7, connecting block, 8, spacing hole, 9, dwang, 10, first screw thread layer, 11, positioner, 111, locating lever, 112, second screw thread layer, 113, turning block, 114, installation cavity, 115, slide bar, 116, spring, 117, movable block, 118, gag lever post.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural view of a positioning sleeve of an embedded threaded fastener according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the positioning device shown in FIG. 1; fig. 3 is an enlarged view of the structure shown in fig. 1 at a. The utility model provides a pre-buried formula threaded fastener position sleeve, includes base member 1, the inside both sides of base member 1 all are provided with threaded fastener 2, the both sides of threaded fastener 2 all are provided with holding ring 4, the inside threaded engagement of threaded fastener 2 has positioner 11, the inside threaded engagement of holding ring 4 has rotation polished rod 9.
In this embodiment, the positioning ring 4 is provided with an engaging hole 5 in the middle, and the inner surface of the engaging hole 5 is provided with a second engaging layer 6.
The internal surface of threaded fastener 2 is provided with first meshing layer 3, the surface of dwang 9 is provided with first screw thread layer 10.
The surface of dwang 9 is provided with first screw thread layer 10, the top fixedly connected with connecting block 7 of dwang 9, the centre at connecting block 7 top is provided with spacing hole 8.
The positioning device 11 comprises a positioning rod 111, a second thread layer 112 is arranged at the bottom of the outer surface of the positioning rod 111, and a rotating block 113 is fixedly connected to the top of the positioning rod 111.
The two sides of the inside of the rotating block 113 are respectively provided with a mounting cavity 114, two sides of the bottom of the mounting cavity 114 are both fixedly provided with a sliding rod 115, two sides of the top of the mounting cavity 114 are both provided with a spring 116, the other end of the spring 116 is fixedly connected with a moving block 117, and the middle of the moving block 117 is provided with a limiting rod 118.
The two installation cavities 114 are arranged, the limiting rods 118 are arranged inside the installation cavities 114, penetrate through the top and the bottom of the rotating block 113 and are arranged in the middle of the moving block 117 and fixedly connected with the moving block 117 at the left side and the right side inside the rotating block 113.
The moving block 117 can slide along the sliding bar 115.
The working principle of the positioning sleeve of the pre-embedded threaded fastener provided by the utility model is as follows:
during operation, firstly, the rotating rod 9 is driven to rotate by rotating the connecting block 7, the first thread layer 10 on the surface is in threaded engagement with the engaging hole 5 in the middle of the positioning ring 4, and the positioning ring 4 is limited, so that the threaded fastener 2 cannot rotate.
Then, the rotating block 113 is rotated, so that the positioning rod 111 at the bottom of the rotating block 113 rotates, and the second thread layer 112 rotates to be in threaded engagement with the first engaging layer 3 inside the threaded fastener 2, so that the positioning rod 111 and the threaded fastener 2 are in threaded limit.
Meanwhile, under the elastic force of the spring 116, the limiting rod 118 is limited by the spring 116, and the limiting rod 118 is embedded into the limiting hole 8 at the top of the connecting block 7 to limit the connecting block 7, so that the threaded fastener 2 is not loosened.
Compared with the prior art, the positioning sleeve of the pre-buried threaded fastener provided by the utility model has the following beneficial effects:
the utility model provides a positioning sleeve of a pre-buried threaded fastener, wherein a positioning device 11 is limited by arranging a limiting rod 118 in a positioning rod 111 and inserting the limiting rod 118 into a limiting hole 8 of a connecting block 7, so that the positioning device 11 cannot rotate, and a second threaded layer 112 of the positioning rod 111 cannot loosen along with vibration; the rotating rod 9 is limited by the limiting rod 118, the positioning ring 4 and the threaded fastener 2 are limited, the threaded fastener 2 is limited and is not loosened under the influence of vibration, the whole positioning sleeve is kept fastened, and the service life of the threaded fastener is prolonged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides an embedded type threaded fastener position sleeve, includes the base member, its characterized in that: the inside both sides of base member all are provided with threaded fastener, threaded fastener's both sides all are provided with the holding ring, threaded fastener's inside threaded engagement has positioner, the inside threaded engagement of holding ring has the rotation polished rod.
2. The pre-buried threaded fastener positioning sleeve according to claim 1, characterized in that: the middle of the positioning ring is provided with an engaging hole, and the inner surface of the engaging hole is provided with a second engaging layer.
3. The pre-buried threaded fastener positioning sleeve according to claim 1, characterized in that: the internal surface of threaded fastener is provided with first meshing layer, the surface of rotating the polished rod is provided with first screw thread layer.
4. The pre-buried threaded fastener positioning sleeve according to claim 3, wherein: the outer surface of the rotating polished rod is provided with a first thread layer, the top of the rotating polished rod is fixedly connected with a connecting block, and a limiting hole is formed in the middle of the top of the connecting block.
5. The pre-buried threaded fastener positioning sleeve according to claim 1, characterized in that: the positioning device comprises a positioning rod, a second thread layer is arranged at the bottom of the outer surface of the positioning rod, and a rotating block is fixedly connected to the top of the positioning rod.
6. The pre-buried threaded fastener positioning sleeve according to claim 5, wherein: the two sides of the inside of the rotating block are respectively provided with a mounting cavity, the two sides of the bottom of the mounting cavity are fixedly provided with a sliding rod, the two sides of the top of the mounting cavity are respectively provided with a spring, the other end of the spring is fixedly connected with a moving block, and a limiting rod is arranged in the middle of the moving block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204868.1U CN215856966U (en) | 2021-09-13 | 2021-09-13 | Pre-buried formula threaded fastener position sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122204868.1U CN215856966U (en) | 2021-09-13 | 2021-09-13 | Pre-buried formula threaded fastener position sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215856966U true CN215856966U (en) | 2022-02-18 |
Family
ID=80319449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122204868.1U Active CN215856966U (en) | 2021-09-13 | 2021-09-13 | Pre-buried formula threaded fastener position sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215856966U (en) |
-
2021
- 2021-09-13 CN CN202122204868.1U patent/CN215856966U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207646604U (en) | Leveling multi-directional deflection comb plate, comb joint bridge extension joint is turned up in unit assembled damping | |
| CN1222663C (en) | Device for regulating rail on rail-base | |
| CN215856966U (en) | Pre-buried formula threaded fastener position sleeve | |
| KR100957995B1 (en) | Rail interval control apparatus for railroad track | |
| CN112030830A (en) | Lever type device for rapidly installing waveform guardrail construction | |
| JP5065341B2 (en) | Precast pillar and foundation connection method and temporary cradle. | |
| EP2159354A1 (en) | Device for fixing posts for protective walls | |
| CN202194037U (en) | Laterally adjusting and positioning device for ballastless turnouts of high-speed railways | |
| US8544763B2 (en) | Prefabricated plinth for supporting a railway track | |
| CN117431788A (en) | Combined track vibration reduction system applied to vehicle Duan Ku inner line and adjusting method thereof | |
| CN203256556U (en) | Installation tool for rail fastener elastic strip | |
| KR100733995B1 (en) | Jig for holding a screw spike in drawing test | |
| CN203716016U (en) | Anchor replacing device for railway concrete sleeper turnout | |
| CN212103485U (en) | Split mounting type intelligent floating slab track unit | |
| CN202936675U (en) | Ballastless track pre-tensioned prestressed structure turnout plate | |
| CN111218863A (en) | Column type combined track structure for track traffic inspection pit section and construction method | |
| KR101224136B1 (en) | prestressed concrete tie connection equipment and installation method for ballast of railway track | |
| CN216483818U (en) | Fixing threaded sleeve for high-speed railway screw spike hammering loosening test tool | |
| JPH082164Y2 (en) | Bridge slab repair structure | |
| CN110924242A (en) | Shear hinge structure for connecting floating plates | |
| CN218322401U (en) | Road and bridge crack reinforcing apparatus | |
| CN221029336U (en) | Device for pulling anchor of screw spike | |
| CN216893144U (en) | Anchor assembly | |
| CN211848647U (en) | Column type combined track structure for track traffic inspection pit section | |
| CN110904742B (en) | Downhole rail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |