CN217207205U - Double-bottom-expanding mechanical anchor bolt of adhesive mold - Google Patents
Double-bottom-expanding mechanical anchor bolt of adhesive mold Download PDFInfo
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- CN217207205U CN217207205U CN202221020356.8U CN202221020356U CN217207205U CN 217207205 U CN217207205 U CN 217207205U CN 202221020356 U CN202221020356 U CN 202221020356U CN 217207205 U CN217207205 U CN 217207205U
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Abstract
The utility model discloses a two flaring machinery crab-bolts of adhesive mould, including the screw rod, the screw rod comprises the first screw thread section, retainer ring section, polished rod section and the second screw thread section that connect gradually, and the first inflation cover of screw thread installation on the first screw thread section, first inflation cover include first round platform section and first lock key section, and first lock key section has two at least first lamella that can atress warp, and the inflation stopper is installed to first lock key section tip, and the cover is equipped with the second inflation cover on the first screw thread section. The utility model discloses a two end mechanical crab-bolts that expand of adhesive mould pass through the hammering mode and make inflation stopper striking drilling diapire, first inflation cover is opened first, then under rotatory hammering mode, drive screw is rotatory, because first lamella expands the back outward, the contact surface of first inflation cover with chemical anchoring agent has been increased, the rotational resistance of first inflation cover has been increased, thereby it is rotatory to avoid first inflation cover to follow the screw rod, it opens fast to make the second inflation cover smoothly, realize the two fixed of end mechanical crab-bolt that expand of adhesive mould, guarantee the anchor effect.
Description
Technical Field
The utility model relates to an crab-bolt technical field, especially a two end expanding machinery crab-bolts of adhesive mould.
Background
The double-bottom-expanding mechanical anchor bolt of the adhesive mould is a novel anchor bolt, combines the advantages of a bottom-expanding anchor bolt fixed mechanically and a chemical anchor bolt fixed chemically, and achieves a more stable fixing purpose.
The existing gluing die double-bottom-expanding mechanical anchor bolt has the following problems in use: the chemical anchoring agent is injected into the drill hole, then the anchor bolt is inserted into the drill hole, and when the screw rod of the anchor bolt is driven to rotate by a tool, the phenomenon that the expansion sleeve rotates along with the screw rod easily causes that the bottom expanding locking key of the die cannot be quickly and completely opened, and the bottom expanding fixing function of the die is difficult to realize.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an adhesive-molded double-bottom-expanded mechanical anchor bolt.
In order to achieve the purpose, the utility model provides a two end expanding machinery crab-bolt of adhesive mould, including the screw rod, the screw rod includes the first screw thread section, retainer ring section, polished rod section and the second screw thread section that connect gradually, screw thread installation first inflation cover on the first screw thread section, first inflation cover includes first round platform section and first lock key section, first lock key section has at least two first lamella that can atress warp, the inflation stopper is installed to first lock key section tip, the inflation stopper includes cylinder section and second round platform section, cylinder section interference cartridge is in first lock key section, the second round platform section is used for expanding outward with first lamella deformation with first lamella extrusion fit; the second expansion sleeve is sleeved on the first thread section and located between the retaining ring section and the first expansion sleeve, the second expansion sleeve comprises a second locking key section and a sleeve section, the second locking key section is provided with at least two second valve plates capable of being deformed under stress, and the second circular platform section is in extrusion fit with the second valve plates so that the second valve plates are deformed and expanded.
Preferably, a first annular groove is formed in the first expansion sleeve and located between the first circular truncated cone section and the first locking key section.
Preferably, a second annular groove is formed in the second expansion sleeve between the second locking key section and the sleeve section.
Preferably, an internal thread in threaded fit with the first thread section is arranged on the inner side of the first circular truncated cone section.
Preferably, the second thread section is provided with a flat pad, a spring washer and a nut.
Preferably, the port of the second keying section is an internal tapered port.
Preferably, the diameter of the expansion plug at the maximum diameter is not larger than that of the first expansion sleeve at the maximum diameter.
Preferably, the second expansion sleeve is cylindrical, and the inner diameter of the second expansion sleeve is smaller than the outer diameter of the retainer ring section.
Preferably, a hexagonal head integrally connected with the second thread section is further arranged at one end of the second thread section, which faces away from the polished rod section.
The beneficial effect of this technical scheme: after the drilling is inserted to the crab-bolt, make inflation stopper and hole bottom striking through the hammering mode, under the extrusion of the conical surface of first frustum section, first lamella deformation expands outward, thereby open first inflation cover first, then under rotatory hammering mode, the driving screw is rotatory, because first lamella expands the back outward, the contact surface of first inflation cover with chemical anchoring agent has been increased, the rotational resistance of first inflation cover has been increased, thereby it is rotatory to avoid first inflation cover to follow the screw rod, make the second inflation cover open fast smoothly, realize the fixed of two end mechanical crab-bolts that expand of gluing mould, guarantee the anchor effect.
Drawings
FIG. 1 is an exploded view of the dual-bottom-expanding mechanical anchor bolt of the gluing mold of the present invention;
FIG. 2 is a schematic structural view of the dual-bottom-expanding mechanical anchor bolt of the gluing mold of the present invention;
FIG. 3 is a cross-sectional view of the expansion plug and first expansion shell;
FIG. 4 is a side view of the first expansion shell;
FIG. 5 is a cross-sectional view of the second expansion shell;
FIG. 6 is a side view of the second expansion shell;
in the figure, 1, a screw; 11. a first thread segment; 12. a retainer ring section; 13. a polished rod segment; 14. a second thread segment; 15. a hexagonal head; 2. a first expansion sleeve; 21. a first circular table section; 211. an internal thread; 22. a first keying segment; 221. a first flap; 23. a first annular groove; 3. an expansion plug; 31. a cylindrical section; 32. a second circular truncated cone section; 4. a second expansion sleeve; 41. a second key section; 412. a second flap; 42. a casing section; 43. a second annular groove; 5. flattening the cushion; 6. a spring washer; 7. and a nut.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 6, in an embodiment provided by the present invention, an adhesive mold double-bottom-expanding mechanical anchor bolt includes a screw rod 1, the screw rod 1 includes a first thread section 11, a retainer section 12, a polish rod section 13 and a second thread section 14 which are connected in sequence, the first thread section 11 and the second thread section 14 are both provided with external threads, the diameter of the retainer section is larger than the diameter of the polish rod section so as to form a limit, a first expansion sleeve 2 is installed on the first thread section 11 by a thread, the first expansion sleeve 2 includes a first circular table section 21 and a first locking key section 22, the first locking key section 22 has at least two first flaps 221 capable of being deformed by force, as shown in fig. 4, the number of the first flaps 221 set in this embodiment is four, and the first flaps 221 are separated by a long and narrow opening; the expansion plug 3 is installed at the end part of the first lock key section 22, the expansion plug 3 comprises a cylindrical section 31 and a second circular truncated cone section 32, the cylindrical section 31 is inserted into the first lock key section 22 in an interference mode, and the second circular truncated cone section 32 is used for being in press fit with the first petal 221 so that the first petal 221 deforms and expands outwards; the second expansion sleeve 4 is sleeved on the first thread section 11, the second expansion sleeve 4 is located between the retainer ring section 12 and the first expansion sleeve 2, the second expansion sleeve 4 comprises a second locking section 41 and a sleeve section 42, the second locking section 41 is provided with at least two second flaps 412 capable of being deformed by force, as shown in fig. 6, the number of the second flaps 412 is six in the embodiment, the second flaps 412 are separated by elongated openings, and the second circular platform section 32 is in press fit with the second flaps 412 to deform and expand the second flaps 412.
Through extrusion screw 1, first inflation cover 2, can make inflation stopper 3 extrude a plurality of first lamella 221 of first locking section 22, so that first lamella 221 deformation expands outward, thereby increase the contact surface of first inflation cover 2 and bar planting gum chemistry anchor, the rolling resistance of first inflation cover 2 has been increased, thereby it is rotatory to avoid first inflation cover 2 to follow screw 1, thereby it is rotatory to make screw 1 first inflation cover 2 relatively, thereby make first round platform section 21 and retaining ring section 12 extrusion second inflation cover 4, open second lamella 412, improve the anchor effect.
To facilitate opening of the first flap 221, referring to fig. 1 and 3, a first annular groove 23 is formed in the first expansion shell 2 between the first truncated cone section 21 and the first locking section 22. The first annular groove 23 is provided, so that when an axial moving force is applied to the first expansion sleeve 2, the first flaps 221 of the first lock key section 22 can be bent and deformed in the first annular groove 23, and can be expanded and opened along the conical surface of the second truncated cone section 32 with relatively low resistance.
To facilitate opening of the second flap 412, referring to fig. 1 and 5, a second annular groove 43 is provided in the second expandable sleeve 4 between the second latch section 41 and the sleeve section 42. The second annular groove 43 is provided, so that when an axial moving force is applied to the second expansion sleeve 4, the second flaps 412 of the second locking key section 41 can be bent and deformed in the second annular groove 43, and can be expanded and opened along the conical surface of the first truncated cone section 21 with a small resistance.
In order to enable the first expansion shell 2 to be threadedly mounted on the first thread segments 11, referring to fig. 3, internal threads 211 are provided on the inside of the first truncated cone segments 21 to be threadedly engaged with the first thread segments 11.
Referring to fig. 2, the second threaded section 14 has a flat washer 5, a spring washer 6 and a nut 7 mounted thereon. The nut 7 is installed on the second threaded section 14 in a threaded mode, and the flat gasket 5 and the spring washer 6 are sleeved on the second threaded section 14, so that the installation of anchoring objects can be facilitated.
Referring to fig. 5 and 6, the ports of the second latch section 41 are internally tapered. The design of the inner conical opening can facilitate the entering of the small-diameter end of the first circular platform section 21 into the second locking key section 41, and the first circular platform section 21 can extrude the second locking key section 41 to open the flap locking key.
Referring to fig. 1 to 3, in order to reduce the outflow of the chemical anchoring agent, the diameter of the expansion plug 3 at the maximum diameter is set to be not larger than the diameter of the first expansion sleeve 2 at the maximum diameter. If the diameter of the maximum diameter part of the expansion plug 3 is larger than that of the maximum diameter part of the first expansion sleeve 2, the chemical anchoring agent is prevented from being greatly extruded by the expansion plug 3, and the improvement of the anchoring stability is not facilitated.
Referring to fig. 1, 2 and 5, the second expansion sleeve 4 is cylindrical, and the inner diameter of the second expansion sleeve 4 is smaller than the outer diameter of the retainer segment 12. The retainer ring section 12 can block the second expansion sleeve 4, and the second expansion sleeve 4 is prevented from moving towards the polished rod section 13 when the first expansion sleeve 2 extrudes the second expansion sleeve 4.
Referring to fig. 1 and 2, a hexagonal head 15 is integrally connected to one end of the second thread section 14 facing away from the polished rod section 13. The hexagonal head 15 also belongs to a part of the screw 1, and the first thread section 11, the retainer ring section 12, the polish rod section 13, the second thread section 14 and the hexagonal head 15 are integrally formed; the hexagonal head 15 is provided with a tool such as a percussion drill which is convenient to use
The utility model discloses two installation procedure that expand end machinery crab-bolt of gluing mould:
s1, drilling holes by using a percussion drill, and cleaning sundries in the holes; cleaning holes, carrying out secondary reaming, carrying out secondary hole cleaning, injecting glue, then installing a glue-die double-bottom-expanding mechanical anchor bolt, applying torque to expand and unlock, and waiting for curing;
s2, carrying out back reaming on the hole bottom by using a back reaming bit, and cleaning impurities in the hole;
s3, injecting a chemical anchoring agent into the hole;
s4, taking one end of an expansion plug 3 of the double-bottom-expanding mechanical anchor bolt of the adhesive mould as a head end, inserting the expansion plug into a hole, installing the expansion plug on an electric hammer through a matched installation tool by using a hexagon head 15, pushing the anchor bolt to the hole bottom by using the electric hammer in a hammering mode, enabling the expansion plug 3 and a first lock key section 22 to move relatively after the expansion plug 3 collides with the hole bottom, enabling a first frustum section to be in contact with the first lock key section 22 after a cylindrical section 31 completely enters the first lock key section 22, enabling a first valve plate 221 to deform and expand outwards under the extrusion of a conical surface of the first frustum section, and then driving a screw rod 1 to rotate in a rotary hammering mode; first lamella 221 expands the back outward, increased the contact surface of first inflation cover 2 and bar planting gum chemistry anchor, then increased the rolling resistance of first inflation cover 2, thereby it is rotatory to avoid first inflation cover 2 to follow screw rod 1, make screw rod 1 can be relative first inflation cover 2 rotatory, under the limiting displacement of retaining ring section 12, make first round platform section 21 extrusion second inflation cover 4, thereby open second lamella 412, realize the two fixed of expanding end machinery crab-bolt of gluing mould, guarantee the anchor effect.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (9)
1. A double-bottom-expanding mechanical anchor bolt of an adhesive mold comprises a screw rod (1), wherein the screw rod (1) comprises a first thread section (11), a check ring section (12), a polish rod section (13) and a second thread section (14) which are sequentially connected, the expansion joint is characterized in that a first expansion sleeve (2) is installed on the first thread section (11) in a threaded mode, the first expansion sleeve (2) comprises a first circular truncated cone section (21) and a first lock key section (22), the first lock key section (22) is provided with at least two first valve plates (221) capable of deforming under stress, an expansion plug (3) is installed at the end portion of the first lock key section (22), the expansion plug (3) comprises a cylindrical section (31) and a second circular truncated cone section (32), the cylindrical section (31) is inserted into the first lock key section (22) in an interference mode, and the second circular truncated cone section (32) is used for being in extrusion fit with the first valve plates (221) to enable the first valve plates (221) to deform and expand outwards; the second expansion sleeve (4) is sleeved on the first thread section (11), the second expansion sleeve (4) is located between the retainer ring section (12) and the first expansion sleeve (2), the second expansion sleeve (4) comprises a second lock key section (41) and a sleeve section (42), the second lock key section (41) is provided with at least two second valve plates (412) capable of being deformed under stress, and the second circular platform section (32) and the second valve plates (412) are in extrusion fit to enable the second valve plates (412) to deform and expand outwards.
2. The double-bottomed mechanical anchor of an adhesive-molded anchor bolt according to claim 1, characterized in that a first annular groove (23) is provided in the first expansion shell (2) between the first round-platform section (21) and the first locking-key section (22).
3. The adhesive-molded double-bottomed mechanical anchor bolt as claimed in claim 1, characterized in that a second annular groove (43) is provided on the second expansion shell (4) between the second locking-key section (41) and the sleeve section (42).
4. The double-bottom mechanical anchor of an adhesive molding according to claim 1, wherein the first circular truncated cone segment (21) is provided on the inside with an internal thread (211) which is in threaded engagement with the first thread segment (11).
5. The adhesive-molded double-bottom mechanical anchor bolt according to claim 1, wherein a flat washer (5), a spring washer (6) and a nut (7) are mounted on the second threaded section (14).
6. The adhesively-molded double-bottomed mechanical anchor bolt of claim 1, wherein the port of said second locking key section (41) is an internally tapered port.
7. The adhesive-molded double-bottomed mechanical anchor bolt according to claim 1, characterized in that the diameter at the maximum diameter of the expansion plug (3) is not greater than the diameter at the maximum diameter of the first expansion shell (2).
8. The double-bottom mechanical anchor according to claim 1, wherein the second expansion shell (4) is cylindrical, the inner diameter of the second expansion shell (4) being smaller than the outer diameter of the collar segment (12).
9. The adhesive-molded double-bottomed mechanical anchor bolt as claimed in claim 1, characterized in that the end of the second thread segment (14) facing away from the smooth rod segment (13) is further provided with a hexagonal head (15) integrally connected thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221020356.8U CN217207205U (en) | 2022-04-29 | 2022-04-29 | Double-bottom-expanding mechanical anchor bolt of adhesive mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221020356.8U CN217207205U (en) | 2022-04-29 | 2022-04-29 | Double-bottom-expanding mechanical anchor bolt of adhesive mold |
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| CN217207205U true CN217207205U (en) | 2022-08-16 |
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| CN202221020356.8U Active CN217207205U (en) | 2022-04-29 | 2022-04-29 | Double-bottom-expanding mechanical anchor bolt of adhesive mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945550A (en) * | 2023-03-09 | 2023-04-11 | 成都国营锦江机器厂 | Pit repairing device and method for catheter with outer aperture smaller than inner aperture |
-
2022
- 2022-04-29 CN CN202221020356.8U patent/CN217207205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945550A (en) * | 2023-03-09 | 2023-04-11 | 成都国营锦江机器厂 | Pit repairing device and method for catheter with outer aperture smaller than inner aperture |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 057151 southeast corner of the intersection of West Ring Road and Guangfu street, Yongnian District, Handan City, Hebei Province Patentee after: Hebei Gunai'an Industry Co.,Ltd. Address before: 057151 southeast corner of the intersection of West Ring Road and Guangfu street, Yongnian District, Handan City, Hebei Province Patentee before: Hebei gunai'an Hardware Manufacturing Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |