CN212835362U - Integrated mechanical connection joint device - Google Patents
Integrated mechanical connection joint device Download PDFInfo
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- CN212835362U CN212835362U CN202021340478.6U CN202021340478U CN212835362U CN 212835362 U CN212835362 U CN 212835362U CN 202021340478 U CN202021340478 U CN 202021340478U CN 212835362 U CN212835362 U CN 212835362U
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Abstract
The utility model provides an integral type mechanical connection piecing devices, including last nut, lower nut, inserted bar, spacing adapter sleeve, elastic element, a section of thick bamboo and a card section of thick bamboo. Specifically, the lower part of the limiting connecting sleeve and the upper part of the sealing cylinder are both provided with threads, the sealing cylinder is connected with the limiting connecting sleeve through the threads to form a whole, and a gap is reserved between the bottom end of the sealing cylinder and the bottom end of the lower nut; the lower part of the sealing cylinder is provided with a limiting table with a through hole, and the elastic element is placed on the limiting table; the clamping cylinder is placed above the elastic element, and the upper end of the clamping cylinder is provided with a clamping table; the lower part of the inserted link is sequentially provided with a conical section, a cylindrical section and a chuck, and the chuck is inserted into the clamping cylinder and is buckled with the clamping table; the limiting connecting sleeve is of a through hole structure, an upper oblique line section used for containing the conical section of the inserting rod, a straight line section used for containing the cylindrical section of the inserting rod and a lower oblique line section are sequentially arranged in the through hole, and the lower oblique line section is in contact with the upper end face of the clamping table. The utility model discloses a device can effectively improve installation quality and the efficiency that the pile head is connected.
Description
Technical Field
The utility model relates to a building connection spare technical field especially relates to an integral type mechanical connection joint device.
Background
At present, the precast pile used for the pile foundation of the building is mostly connected with the pile by adopting the form of electric welding and welding of end plates. The welding mode easily causes potential safety hazards of the connecting structure at the pile head of the precast pile. The mechanical connection joint device can lead the pile to be free from welding when being installed on site, and has the advantages of simple structure, high uplift bearing capacity, low manufacturing cost, high construction efficiency and the like.
In the Chinese patent CN101519876A, the name "no-shear fast strong-pull butt-joint fastener and butt-joint piece", a spring is arranged in a top-pull nut, the bottom end of the spring is placed on a clamping table or a heading of a steel bar heading, and a conical sleeve is placed at the top end of the spring. In fact, in the production process of the precast pile, the finished shape of the steel bar upset head is greatly different due to equipment or human reasons, the steel bar upset head is not in a completely symmetrical shape or the top end of the upset head is not completely planar. If the upset head is irregular, one side of the upset head directly contacts the inner wall of the top pull nut or the top end plane of the upset head inclines, so that the installation of the spring is inclined, the bottom end or the top end cannot be kept horizontal, and finally, a conical sleeve on the top end of the spring is inclined, and the installation is hidden danger. In addition, the structures of the above patents are all contacted by metal pieces, so that an integral closed space cannot be effectively formed, and the corrosion resistance of the joint is greatly reduced.
In the Chinese patent CN208578028U, entitled "a connecting joint device and a prestressed prefabricated member", a limit table, a limit nut, a spring and a buckle barrel are directly arranged in a nut. Although set up spacing platform and help keeping the level and smooth of detaining a section of thick bamboo bottom, when actual installation, if the spring unevenness of bottom, then at the insertion of inserted bar in-process, detain the unable simultaneous contact stop collar in bottom of a section of thick bamboo, lead to easily detaining a section of thick bamboo and receive the effect of eccentric force to can damage the ka tai of detaining a section of thick bamboo upper portion, greatly influence the connection quality that connects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integral type mechanical connection piecing devices can effectively improve the installation quality and the efficiency that the pile head is connected.
In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:
an integrated mechanical connection joint device comprises an upper nut, a lower nut, an insertion rod, a limiting connecting sleeve, an elastic element, a sealing cylinder and a clamping cylinder, wherein the upper part of the insertion rod is arranged in the upper nut; the lower part of the sealing cylinder is provided with a limiting table with a through hole, and the elastic element is placed on the limiting table; the clamping cylinder is placed above the elastic element, and a clamping table is arranged at the upper end of the clamping cylinder; the lower part of the insert rod is sequentially provided with a conical section, a cylindrical section and a chuck, and the chuck is inserted into the clamping cylinder and is buckled with the clamping table; the limiting connecting sleeve is of a through hole structure, an upper oblique line section for containing the conical section of the inserting rod, a straight line section for containing the cylindrical section of the inserting rod and a lower oblique line section are sequentially arranged in the through hole, and the lower oblique line section is in contact with the upper end face of the clamping table.
Furthermore, the outer diameter of the lower part of the limiting connecting sleeve is smaller than that of the upper part of the limiting connecting sleeve; the outer diameter of the sealing cylinder is smaller than that of the upper part of the limiting connecting sleeve; and a gap is reserved between the outer wall of the sealing cylinder and the inner wall of the lower nut.
Preferably, the included angle between the lower inclined line segment of the limiting connecting sleeve and the horizontal line is less than or equal to 45 degrees.
Furthermore, the connecting joint device further comprises a sealing ring, wherein the sealing ring is arranged at the joint of the upper nut and the lower nut, or at the joint of the inserted rod and the limiting connecting sleeve, or at the joints of the two.
Preferably, the length ratio of the cylindrical section to the conical section of the inserted rod is 1: 2-3.
Furthermore, the upper end face of the clamping cylinder is provided with a guide slope, and the guide slope is abutted to a lower slope section of the limiting connecting sleeve.
Further, the cross-sectional shape of the clamping cylinder is a structure with an outer polygon and an inner circle.
Further, the height of the cylindrical section of the inserted link is more than 1.1 times higher than the height of the clamping cylinder.
Furthermore, the upper part of the inserted bar is a cylindrical head provided with a limiting thread and is in threaded connection with the upper nut.
Furthermore, the upper part of the limiting connecting sleeve is provided with an external thread which is in threaded connection with the lower nut.
Compared with the prior art, the utility model discloses mechanical connection connects device has following beneficial effect:
(1) the utility model discloses the mechanical connection of stake and stake is realized through nut, inserted bar, a card section of thick bamboo isotructure to the piecing devices, has simple structure, resistance to plucking and bears the weight of the dynamic height, the cost is low, the efficiency of construction is high, exempts from welded characteristics during the field installation.
(2) Through setting up spacing adapter sleeve and elastic element, can make middle card section of thick bamboo fix in the spacing space of setting for, prevent in the installation, detain a section of thick bamboo and take place lateral shifting to the installation quality of inserted bar has been ensured.
(3) The lower part of the limiting connecting sleeve and the upper part of the sealing cylinder are provided with threads, so that the limiting connecting sleeve and the sealing cylinder are connected to form a whole and the clamping cylinder is fixed between the limiting connecting sleeve and the sealing cylinder, and only the inserted rod, the sealing cylinder, the middle clamping cylinder and the limiting connecting sleeve which form the whole are required to be installed during field installation, so that the workload of field workers is greatly reduced.
(4) A gap is reserved between the bottom end of the sealing barrel and the bottom end of the lower nut, so that a certain space interval is kept between the bottom end of the sealing barrel and the upset head, and therefore when the joint is installed on site, even if the lower nut causes impurities such as soil to enter the lower nut due to carrying or the processing quality error of the upset head is large, the installation quality of the joint cannot be influenced, and the influences of weather, environment and the like outside the site are greatly reduced.
(5) The length ratio of the cylindrical section to the conical section of the inserted rod is 1: 2-3, so that stress concentration at the joint of the top and the bottom of the inserted rod can be greatly reduced, and the strength of the inserted rod is ensured.
(6) Through setting up the sealing washer, form holistic enclosure space behind the messenger joint connection, promote the durability of joint when using in the anti-corrosion geology.
Drawings
FIG. 1 is a schematic view of the device according to the present invention in a connected state;
fig. 2 is a schematic structural diagram of the device of the present invention in an unconnected state.
In the figure, 1-upper nut, 2-lower nut, 3-inserted rod, 4-limiting connecting sleeve, 5-clamping cylinder, 6-sealing cylinder, 7-elastic element, 8-sealing cylinder external thread, 9-limiting connecting sleeve internal thread, 10-clamping table, 11-limiting table, 12-through hole, 13-upper inclined line segment, 14-straight line segment, 15-lower inclined line segment, 16-steel bar, 17-conical segment, 18-cylindrical segment, 19-clamping head, 20-sealing ring and 21-guiding slope.
Detailed Description
The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.
The embodiment provides an integrated mechanical connection joint device, which comprises an upper nut 1, a lower nut 2, an inserted link 3, a limiting connecting sleeve 4, a clamping cylinder 5, a sealing cylinder 6 and an elastic element 7. The head of the inserted rod 3 is a cylindrical head provided with a limiting thread and is connected with the internal thread of the upper nut 1; the lower part of the inserted bar 3 is sequentially provided with a conical section 17, a cylindrical section 18 and a bottom chuck 19, and in order to ensure the strength of the inserted bar 3, the length ratio of the cylindrical section 18 to the conical section 17 is preferably 1: 2-3. In order to avoid potential safety hazard, the height of the cylindrical section 18 is set to be higher than that of the clamping cylinder 5, so that the cylindrical section 18 is completely in linear contact with the inner cavity of the clamping cylinder 5, and preferably, the height of the cylindrical section 18 is at least 1.1 times higher than that of the clamping cylinder 5, and the main reason is that the construction error is considered, so that an error adjustment space is 10%.
The limiting connecting sleeve 4, the clamping cylinder 5, the sealing cylinder 6 and the elastic element 7 are arranged in the lower nut 2. The upper part of the limiting connecting sleeve 4 is provided with an external thread which is connected with the internal thread of the lower nut 2. The lower part of the limit connecting sleeve 4 is provided with an external thread or an internal thread, and correspondingly, the upper part of the sealing cylinder 6 is provided with an internal thread or an external thread, so that the limit connecting sleeve 4 and the sealing cylinder 6 are connected together into a whole through the threads. In this embodiment, an internal thread 9 is provided in the lower portion of the limiting connection sleeve 4 and connected to an external thread 8 provided on the upper portion of the sealing cylinder 6, the outer diameter of the lower portion of the limiting connection sleeve 4 is smaller than the outer diameter of the upper portion of the limiting connection sleeve 4, and the outer diameter of the sealing cylinder 6 is smaller than the outer diameter of the upper portion of the limiting connection sleeve 4. A gap is reserved between the outer wall of the sealing cylinder 6 and the inner wall of the lower nut 2, and a gap is also reserved between the bottom end of the sealing cylinder 6 and the bottom end of the lower nut 2.
The lower part of the sealing cylinder 6 is provided with a limiting table 11 with a through hole 12, and the elastic element 7 is placed on the limiting table 11 and is positioned between the limiting table 11 and the bottom end of the clamping cylinder 5. The upper end of the clamping cylinder 5 is provided with a clamping table 10, and a clamping head 19 of the insert rod 3 is inserted into the clamping cylinder 5 and is buckled with the clamping table 10. The limiting connecting sleeve 4 is of a through hole structure, an upper oblique line section 13 used for containing an inserting rod conical section 17, a straight line section 14 used for containing an inserting rod cylindrical section 18 and a lower oblique line section 15 are sequentially arranged in the through hole, and the lower oblique line section 15 is in contact with the upper end face of the clamping table 10. Preferably, the included angle between the lower inclined line segment 15 and the horizontal line is less than or equal to 45 degrees, so that the contact part can bear the maximum tensile force, and the mechanical property of the limiting connecting sleeve 4 is fully exerted.
The upper end surface of the clamping cylinder 5 of the embodiment is provided with a guide slope 21 which is beneficial to the insertion of the inserted rod 3. The guide slope 21 is in contact with the lower slope segment 15 of the limiting connecting sleeve 4, and the included angle between the guide slope 21 and the vertical line is set to be 45 degrees in the embodiment. The shape of the clamping cylinder 5 is not limited, and the structure that the cross section is in an outer polygon shape and an inner circle is preferably adopted, so that the installation is more convenient and labor-saving.
In order to improve the corrosion resistance of the joint, the joint device of the embodiment is further provided with a sealing ring 20, and the sealing ring 20 may be arranged at the joint of the upper nut 1 and the lower nut 2, or at the joint of the inserted rod 3 and the limiting connecting sleeve 4, or at both of the two joints.
With reference to fig. 1 and 2, in the device of this embodiment, the pier heads of the steel bars 16 are respectively installed in the upper nut 1 and the lower nut 2, then the elastic element 7 is placed on the limiting table 11 at the bottom of the sealing cylinder 6, then the clamping cylinder 5 is placed above the elastic element 7, the limiting connection sleeve 4 and the sealing cylinder 6 are connected into a whole by screw threads, and the limiting connection sleeve 4, the clamping cylinder 5, the elastic element 7 and the sealing cylinder 6 which are formed into a whole are installed in the lower nut 2; next, the insert rod 3 is mounted in the upper nut 1, the packing 20 is mounted on the insert rod 3, and finally the insert rod 3 is inserted into the lower nut 2. After the clamping head 19 of the inserted bar 3 passes through the middle hole of the clamping cylinder 5, the inserted bar 3 is buckled with the clamping table 10, and the inserted bar 3 is tightly connected with the clamping cylinder 5 under the locking of the clamping cylinder 5, so that the installation of the joint is realized.
Claims (10)
1. An integrated mechanical connection joint device comprises an upper nut, a lower nut, an insertion rod, a limiting connecting sleeve, an elastic element, a sealing cylinder and a clamping cylinder, wherein the upper part of the insertion rod is arranged in the upper nut; the lower part of the sealing cylinder is provided with a limiting table with a through hole, and the elastic element is placed on the limiting table; the clamping cylinder is placed above the elastic element, and a clamping table is arranged at the upper end of the clamping cylinder; the lower part of the insert rod is sequentially provided with a conical section, a cylindrical section and a chuck, and the chuck is inserted into the clamping cylinder and is buckled with the clamping table; the limiting connecting sleeve is of a through hole structure, an upper oblique line section for containing the conical section of the inserting rod, a straight line section for containing the cylindrical section of the inserting rod and a lower oblique line section are sequentially arranged in the through hole, and the lower oblique line section is in contact with the upper end face of the clamping table.
2. The integrated mechanical connection joint device according to claim 1, wherein the outer diameter of the lower part of the limit connecting sleeve is smaller than the outer diameter of the upper part of the limit connecting sleeve; the outer diameter of the sealing cylinder is smaller than that of the upper part of the limiting connecting sleeve; and a gap is reserved between the outer wall of the sealing cylinder and the inner wall of the lower nut.
3. The integrated mechanical connection joint device as claimed in claim 1, wherein the angle between the downward slope segment of the limit connection sleeve and the horizontal line is less than or equal to 45 °.
4. The integrated mechanical connection joint device according to claim 1, further comprising a sealing ring, wherein the sealing ring is disposed at a joint of the upper nut and the lower nut, or at a joint of the insertion rod and the limiting connection sleeve, or at both joints.
5. The integrated mechanical joint connection device according to claim 1, wherein the ratio of the length of the cylindrical section to the length of the tapered section of the insert rod is 1: 2-3.
6. The integrated mechanical connection joint device as claimed in claim 1, wherein the upper end surface of the clamping cylinder is provided with a guide slope, and the guide slope is in contact with a lower slope segment of the limiting connection sleeve.
7. The one-piece mechanical connector assembly of claim 6, wherein said cartridge has a cross-sectional shape of an outer polygonal shape and an inner circular shape.
8. The integrated mechanical connection joint device of claim 1, wherein the height of the cylindrical section of the inserted link is more than 1.1 times higher than the height of the clamping cylinder.
9. The integrated mechanical connection joint device as claimed in claim 1, wherein the upper portion of the inserted link is a cylindrical head provided with a limit thread, and is in threaded connection with the upper nut.
10. The integrated mechanical connection joint device as claimed in claim 1, wherein the upper portion of the limiting connection sleeve is provided with external threads to be in threaded connection with the lower nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340478.6U CN212835362U (en) | 2020-07-09 | 2020-07-09 | Integrated mechanical connection joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021340478.6U CN212835362U (en) | 2020-07-09 | 2020-07-09 | Integrated mechanical connection joint device |
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| Publication Number | Publication Date |
|---|---|
| CN212835362U true CN212835362U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021340478.6U Active CN212835362U (en) | 2020-07-09 | 2020-07-09 | Integrated mechanical connection joint device |
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| CN (1) | CN212835362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369857A (en) * | 2022-08-05 | 2022-11-22 | 浙江省建筑设计研究院 | Vertical connection structure of prefabricated underground continuous wall of pre-buried screw lock formula |
-
2020
- 2020-07-09 CN CN202021340478.6U patent/CN212835362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369857A (en) * | 2022-08-05 | 2022-11-22 | 浙江省建筑设计研究院 | Vertical connection structure of prefabricated underground continuous wall of pre-buried screw lock formula |
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