CN112360857A - Combined expansion bolt convenient to install - Google Patents
Combined expansion bolt convenient to install Download PDFInfo
- Publication number
- CN112360857A CN112360857A CN202011243607.4A CN202011243607A CN112360857A CN 112360857 A CN112360857 A CN 112360857A CN 202011243607 A CN202011243607 A CN 202011243607A CN 112360857 A CN112360857 A CN 112360857A
- Authority
- CN
- China
- Prior art keywords
- bolt
- groove
- column
- limiting
- expansion bolt
- 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.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 241000251730 Chondrichthyes Species 0.000 claims description 5
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
- F16B13/068—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like expanded in two or more places
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/38—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt with a second part of the screw-thread which may be resiliently mounted
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application discloses combination formula expansion bolts convenient to installation, expansion bolts includes bolt post, packing ring, nut, sleeve pipe, bellying, spacing subassembly, the packing ring has been cup jointed on the surface of bolt post, the nut cup joints on bolt post surface, and the nut is located the top of packing ring, the cover pipe box is on the surface of bolt post, and the sleeve pipe is located the packing ring bottom, the outside bellying that forms round platform type structure in bottom of bolt post, spacing subassembly rigid coupling is on the terminal surface of bellying, spacing subassembly includes connecting rod, toper platform, plugboard and constraint spring, the connecting rod rigid coupling is on the terminal surface of bellying, toper platform rigid coupling is on the tip of connecting rod, the both ends of toper platform are rotated and are connected with the plugboard. In the process of nailing, the conical table positioned on the end part of the bulge can be conveniently nailed into the hole of the whole expansion bolt, and the situation that the expansion bolt is difficult to enter when impurities exist in the hole is greatly avoided.
Description
Technical Field
The application relates to an expansion bolt, in particular to a combined expansion bolt convenient to install.
Background
An expansion bolt is a special screw-thread connector for fixing pipeline branch/hanger/bracket or equipment on wall, floor and column, and is characterized by that when it is used, firstly, a hole with correspondent size is drilled on the fixing body by using impact electric drill (hammer), then the bolt and expansion tube are placed in the hole, and the bolt, expansion tube and mounting piece and fixing body are expanded into one body, and after the bolt is tightened, the tail portion of the bolt has a large head, and the exterior of the bolt is covered with a round tube whose diameter is a little greater than that of bolt, and the tail portion has several openings, and after the bolt is tightened, the tail portion of the large head can be taken into the opened tube, and the tube can be punched to expand, so that the bolt can be fixed on the ground or wall to attain the goal of rooting.
When driving bolts into walls, expansion bolts are difficult to insert efficiently into the holes due to the possibility of debris from previous drilling remaining inside the holes.
Disclosure of Invention
A modular expansion bolt for ease of installation, said expansion bolt comprising: the bolt column is sleeved with the washer, the nut is sleeved on the surface of the bolt column and located at the top of the washer, the sleeve is sleeved on the surface of the bolt column, the sleeve is located at the bottom of the washer, the bottom of the bolt column protrudes outwards to form a boss of a circular truncated cone structure, the limiting assembly is fixedly connected to the end face of the boss and comprises a connecting rod, a conical table, a plug board and binding springs, the connecting rod is fixedly connected to the end face of the boss, the conical table is fixedly connected to the end portion of the connecting rod, the two ends of the conical table are rotatably connected with the plug board, the two plug boards are connected with the binding springs, the two binding springs are fixedly connected to the connecting rod, the length of the plug board is larger than the radius of the sleeve, and the end portion of the sleeve is provided with a pre-folding groove, and the pre-folding groove and the protruding part are positioned on the same side, the tail end of the pre-folding groove extends to the end part of the sleeve to form a through groove, and the diameter of the end face of the bottom of the protruding part is consistent with the outer diameter of the sleeve.
Further, state expansion bolts still including the auto-lock subassembly, the auto-lock subassembly comprises dustcoat, a plurality of ratchet and spacing pipe, spacing pipe rigid coupling is on the mounting groove on packing ring surface, the mounting groove is the loop configuration, and the equal coaxial setting of loop configuration's mounting groove, spacing pipe and bolt post, and a plurality of ratchet is the annular array and rotates on dustcoat bottom terminal surface, and the ratchet is located spacing pipe directly over, the ratchet with set up the spacing groove joint of the last one on spacing pipe top lateral wall, a plurality of spacing groove, the dustcoat cup joints on nut bottom terminal surface.
Furthermore, the ratchet and the limiting groove are of a shark tooth-shaped structure, one side of the shark tooth-shaped structure is arc-shaped, the other side of the shark tooth-shaped structure is planar, an inclined plane is arranged on one side of the top of the ratchet, a limiting block is fixedly connected to the other side of the ratchet, the limiting block is in lap joint with the end face of the bottom of the outer cover, the number of the limiting grooves is more than that of the ratchet, and the number of the ratchet is.
Furthermore, the outer cover is of a hexagonal prism structure and is made of hard rubber materials, the outer cover is tightly attached to the outer surface of the nut, and the ratchet is consistent with the arc surface of the limiting groove in direction.
Further, expansion bolts still includes the spacing subassembly that two symmetries set up, spacing subassembly includes gag lever post, pivot, sets up logical groove, overlap joint piece and the spacing spring in the grafting on sleeve pipe surface, the gag lever post rotates through the pivot to connect on the logical groove lateral wall of grafting, overlap joint piece gomphosis sets up on the notch of seting up on bolt post surface, the overlap joint piece passes through spacing spring to be connected on the notch lateral wall, the outer wall parallel and level of overlap joint piece outer wall and bolt post.
Further, the gag lever post slope sets up and leads to the inslot portion in pegging graft, the bottom rigid coupling of gag lever post has the arc, the arc downwarping sets up, the overlap joint piece is located the arc under, and follows the height that the distance between the vertical direction is less than the bellying between overlap joint piece and the arc.
Further, expansion bolts still includes locking Assembly, locking Assembly includes reference column, rubber ring, wedge post, horizontal pole, fixed pipe, the reference column is pegged graft inside the constant head tank, the constant head tank is seted up at bolt column top, constant head tank bottom both sides all are provided with the horizontal pole that distributes along the horizontal direction, the horizontal pole is pegged graft on the bolt column, and the one end of horizontal pole extends to constant head tank inner chamber department, and the horizontal pole is located the bottom of reference column.
Further, the top of reference column outwards extends the spacing dish that forms disc type structure, and the reference column surface that is located spacing dish bottom has cup jointed the rubber ring, the top and the bottom of rubber ring support respectively to spacing dish and bolt post, the bottom rigid coupling of reference column has the wedge post, and one side that the bottom of wedge post is close to the horizontal pole is inclined plane portion.
Furthermore, the locking assembly further comprises a fixed pipe, two transverse rods and a vertical rod connected with the transverse rods, the fixed pipe is sleeved on the surface of the bolt column and fixed on the side wall of the bottom of the gasket, the transverse rods are transversely inserted into the fixed pipe, and the transverse rods are connected to the transverse rods located right below the transverse rods through the vertical rods.
Further, the vertical rods are connected to the side walls of the fixed pipes in a sliding mode, and the width of each vertical rod is half of that of each transverse rod.
The application has the advantages that: the combined expansion bolt is reasonable and reliable in structure and convenient to install.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a perspective view of a modular expansion bolt for ease of installation according to one embodiment of the present application;
FIG. 2 is a schematic view of the internal structure of the modular expansion bolt of the embodiment of FIG. 1;
FIG. 3 is a schematic view of the self-locking assembly and locking assembly of the embodiment of FIG. 1;
FIG. 4 is a schematic structural view of a stop assembly in the embodiment of FIG. 1;
FIG. 5 is a schematic view of the connection structure of the tapered platform and the plugboard in the embodiment of FIG. 1;
FIG. 6 is a schematic diagram of the embodiment of FIG. 1 showing spacing tube alignment;
FIG. 7 is a schematic view of the structure of the fixed tube in the embodiment of FIG. 1;
FIG. 8 is a schematic diagram of the structure of the ratchet body junction in the embodiment of FIG. 1.
The meaning of the reference symbols in the figures: expansion bolt 100, bolt column 101, positioning groove 1011, gasket 102, mounting groove 1021, nut 103, sleeve 104, pre-folding groove 1041, splicing through groove 1042, boss 105, connecting rod 106, tapered table 107, splicing plate 108, binding spring 109, positioning column 110, rubber ring 1101, wedge-shaped column 1102, cross rod 111, fixed tube 112, transverse rod 1121, vertical rod 1122, outer cover 113, ratchet 114, inclined plane portion 1141, limiting block 1142, limiting tube 115, limiting groove 116, limiting rod 117, arc 1171, rotating shaft 118, lap joint 119, and limiting spring 120.
Detailed Description
In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Referring to fig. 1 to 8, a composite expansion bolt 100 for easy installation includes: expansion bolt 100 includes bolt column 101, washer 102, nut 103, sleeve 104, boss 105, and limit component, where washer 102 is sleeved on the surface of bolt column 101, nut 103 is located on the top of washer 102, sleeve 104 is sleeved on the surface of bolt column 101, sleeve 104 is located at the bottom of washer 102, the bottom of bolt column 101 protrudes outwards to form boss 105 with a circular truncated cone-shaped structure, limit component is fixedly connected to the end face of boss 105, limit component includes connecting rod 106, conical table 107, plug-in board 108 and binding spring 109, connecting rod 106 is fixedly connected to the end face of boss 105, conical table 107 is fixedly connected to the end of connecting rod 106, when nut 103 is rotated, the internal thread on nut 103 is engaged with the external thread on the surface of bolt column 101 to drive bolt column 101 to move to one side direction of nut 103, boss 105 at the end of bolt column 101 also moves therewith, in the process that the bolt column 101 continuously moves, the end part of the sleeve 104 on one side of the pre-folding groove 1041 is jacked up by the bulge 105, extrusion is formed between the bulge 105 and the sleeve 104 as well as between pre-embedded holes, so that the whole expansion bolt 100 is fixed, the two ends of the conical table 107 are rotatably connected with the insertion plates 108, the two insertion plates 108 are both connected with the binding springs 109, the two binding springs 109 are fixedly connected on the connecting rod 106, the binding springs 109 support the insertion plates 108, so that the insertion plates 108 tend to rotate towards the side far away from the nut 103, the length of the insertion plates 108 is greater than the radius of the sleeve 104, the end part of the sleeve 104 is provided with the pre-folding groove 1041, the pre-folding groove 1041 and the bulge 105 are positioned on the same side, the end part of the pre-folding groove 1041 extending to the sleeve 104 forms a through groove, the diameter of the end surface at the bottom of the bulge 105 is consistent with, then with whole expansion bolts 100 nail in the hole, at the in-process of nailing into, be located the toper platform 107 on the bellying 105 tip can be convenient for whole expansion bolts 100 nail in the hole, has greatly avoided when there is impurity in the hole, and the condition that expansion bolts 100 is difficult to get into appears, and simultaneously as bolt post 101 at the in-process that removes, the pegging graft board 108 that is located toper platform 107 both sides can the joint on the pore wall, further promotes expansion bolts 100 mounting structure's stability.
As an optimized scheme, the expansion bolt 100 further comprises a self-locking assembly, the self-locking assembly at least comprises an outer cover 113, a plurality of ratchets 114 and a limiting pipe 115, the limiting pipe 115 is fixedly connected to an installation groove 1021 on the surface of the gasket 102, the installation groove 1021 is of an annular structure, the installation groove 1021 of the annular structure, the limiting pipe 115 and the bolt column 101 are coaxially arranged, the ratchets 114 rotate on the end face of the bottom of the outer cover 113 in an annular array mode, the ratchets 114 are located right above the limiting pipe 115, the ratchets 114 are clamped with the limiting grooves 116 formed in the side walls of the top of the limiting pipe 115, the limiting grooves 116 are a plurality of, the outer cover 113 is sleeved on the end face of the bottom of the nut 103, and in the rotating process of the nut 103, the ratchets 114 cannot influence the normal rotation of the nut 103, and the reverse rotation of the nut 103 can be avoided.
Specifically, ratchet 114 and spacing groove 116 are the one side and are the arc one side and be planar shark tooth type structure, ratchet 114's top one side is provided with the inclined plane, ratchet 114's opposite side rigid coupling has stopper 1142, stopper 1142 and the 113 bottom terminal surface overlap joint of dustcoat, the number of spacing groove 116 is more than ratchet 114, and ratchet 114 number is no less than six, the rotation direction of nut 103 rotates along one side direction of stopper 1142 on ratchet 114, can avoid ratchet 114 to take place to rock when spacing through stopper 1142.
Further, the outer cover 113 is of a hexagonal prism structure, the outer cover 113 is made of hard rubber materials, the outer cover 113 is tightly attached to the outer surface of the nut 103, the directions of the ratchet teeth 114 and the arc surface of the limiting groove 116 are consistent, the ratchet teeth 114 are fixed through the outer cover 113 and simultaneously play a role of a gasket, and when the nut 103 rotates, the outer cover 113 of the hexagonal prism structure rotates synchronously with the nut 103.
As an optimization scheme, expansion bolts 100 still includes the spacing subassembly of two symmetry settings, spacing subassembly includes gag lever post 117, the pivot 118, set up at the logical groove 1042 of grafting on sleeve 104 surface, overlap joint piece 119 and spacing spring 120, gag lever post 117 rotates through pivot 118 and connects on the logical groove 1042 lateral wall of grafting, overlap joint piece 119 gomphosis sets up on the notch of seting up on bolt post 101 surface, overlap joint piece 119 passes through spacing spring 120 and connects on the notch lateral wall, overlap joint piece 119 outer wall and bolt post 101's outer wall parallel and level, promote the area of contact of sleeve 104 and downthehole wall through spacing subassembly, utilize gag lever post 117 spacing sleeve 104 simultaneously, improve the stability of whole expansion bolts 100 installation.
As an expansion scheme, the limiting rod 117 is obliquely arranged inside the inserting through groove 1042, the bottom end of the limiting rod 117 is fixedly connected with an arc-shaped plate 1171, the arc-shaped plate 1171 is bent downwards, the lapping block 119 is positioned right below the arc-shaped plate 1171, and the distance between the block 119 and the arcuate plate 1171 in the vertical direction is less than the height of the boss 105, when bolt column 101 moves, the lapping block 119 inside the notch is pushed out of the notch by limiting spring 120 when moving to the inserting through groove 1042, and is nailed into the inserting through groove 1042, bolt 101 continues to move, drives the overlapping block 119 to move to the arc-shaped plate 1171, pushes the arc-shaped plate 1171 to move, so that the limiting rod 117 rotates around the rotating shaft 118, the limiting rod 117 is spread and clamped in the inner wall of the hole, the installation stability of the expansion bolt 100 is improved, and the locking condition cannot be generated in the process that the arc-shaped plate 1171 is overlapped with the overlapping block 119.
As an optimized scheme, the expansion bolt 100 further comprises a locking assembly, the locking assembly comprises a positioning column 110, a rubber ring 1101, a wedge-shaped column 1102, a cross rod 111 and a fixing tube 112, the positioning column 110 is inserted inside the positioning groove 1011, the positioning groove 1011 is formed in the top of the bolt column 101, cross rods 111 distributed in the horizontal direction are arranged on two sides of the bottom of the positioning groove 1011, the cross rod 111 is inserted on the bolt column 101, one end of the cross rod 111 extends to the inner cavity of the positioning groove 1011, the cross rod 111 is located at the bottom of the positioning column 110, after the expansion bolt 100 is installed, the rubber ring 1101 is taken down, then the positioning column 110 is hammered, the positioning column 110 is further nailed into the positioning groove 1011, the positioning column 110 is nailed into the positioning groove 1011 to enable the two cross rods 111 to be pushed out, the cross rod 111 is nailed into the inner wall of the hole.
Further, the top of reference column 110 outwards extends and forms the spacing dish of disc type structure, the reference column 110 surface that is located the spacing dish bottom has cup jointed rubber ring 1101, the top and the bottom of rubber ring 1101 support respectively to spacing dish and bolt post 101, the surface of rubber ring 1101 is the disconnection structure, be convenient for take off rubber ring 1101, through rubber ring 1101 limit positioning post 110, avoid when the initial bolt hole of expansion bolts 100, fix a nail into reference column 110 earlier, the bottom rigid coupling of reference column 110 has wedge post 1102, one side that the bottom of wedge post 1102 is close to horizontal pole 111 is inclined plane portion 1141, through inclined plane portion 1141, produce a component effect in the horizontal direction, nail horizontal pole 111 in the inner wall of hole.
As a further optimized scheme, the locking assembly further comprises a fixing tube 112, two transverse rods 1121 and a vertical rod 1122 connected with the transverse rods 1121, the fixing tube 112 is sleeved on the surface of the bolt column 101, the fixing tube 112 is fixed on the side wall of the bottom of the gasket 102, the transverse rods 1121 are transversely inserted into the fixing tube 112, the transverse rods 1121 are connected to the transverse rods 111 located right below the transverse rods 1121 through the vertical rod 1122, the vertical rods 1122 are slidably connected to the side wall of the fixing tube 112, the width of the vertical rod 1122 is half of the width of the transverse rod 1121, when the transverse rods 111 are nailed into the inner wall of the hole, the transverse rods 1121 are driven by the vertical rod 1122 to synchronously move, so that the transverse rods 1121 located on the fixing tube 112 are nailed into the inner wall of the hole, the gasket 102 is limited and fixed, and the expansion bolt 100.
Because the whole bolt of the expansion bolt 100 made of metal is driven into a hole which is drilled in advance, then the nut 103 is rotated to enable the bolt column 101 to move towards the outer side of the hole, the end part of the sleeve 104 is jacked up by the bulge part 105 on the end part of the bolt column 101 to realize fixation, but the fixation mode is single, and the structure of the expansion bolt 100 has certain strength requirement, the expansion bolt 100 is additionally provided with the self-locking assembly, the limiting assembly and the locking assembly under the condition of not influencing the self-structural strength of the expansion bolt 100, the stability of the fixed structure of the expansion bolt 100 is further improved, the self-locking assembly and the locking assembly do not need to be additionally installed, in the conventional installation process of the expansion bolt 100, the self-locking assembly and the locking assembly are automatically installed along with the movement of the bolt column 101 to play a limiting role, and the installation of the expansion bolt 100,
it will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides a combination formula expansion bolts convenient to installation which characterized in that: the sectional type expansion bolt convenient for installation includes: the bolt column is sleeved with the washer, the nut is sleeved on the surface of the bolt column and located at the top of the washer, the sleeve is sleeved on the surface of the bolt column, the sleeve is located at the bottom of the washer, the bottom of the bolt column protrudes outwards to form a boss of a circular truncated cone structure, the limiting assembly is fixedly connected to the end face of the boss and comprises a connecting rod, a conical table, a plug board and binding springs, the connecting rod is fixedly connected to the end face of the boss, the conical table is fixedly connected to the end portion of the connecting rod, the two ends of the conical table are rotatably connected with the plug board, the two plug boards are connected with the binding springs, the two binding springs are fixedly connected to the connecting rod, the length of the plug board is larger than the radius of the sleeve, and the end portion of the sleeve is provided with a pre-folding groove, and the pre-folding groove and the protruding part are positioned on the same side, the tail end of the pre-folding groove extends to the end part of the sleeve to form a through groove, and the diameter of the end face of the bottom of the protruding part is equal to the outer diameter of the sleeve.
2. The modular expansion bolt of claim 1 for ease of installation, further comprising: the expansion bolt further comprises a self-locking assembly, the self-locking assembly is composed of an outer cover, a plurality of ratchets and a limiting pipe, the limiting pipe is fixedly connected to a mounting groove in the surface of the gasket, the mounting groove is of an annular structure, the mounting groove, the limiting pipe and a bolt column of the annular structure are coaxially arranged, the ratchets are in annular array rotation on the end face of the bottom of the outer cover and are located right above the limiting pipe, the ratchets are connected with limiting grooves formed in the side wall of the top of the limiting pipe in a clamped mode, the limiting grooves are multiple, and the outer cover is sleeved on the end face of the bottom of the nut.
3. The modular expansion bolt of claim 2 for ease of installation, further comprising: the ratchet and the limiting groove are of a shark tooth-shaped structure, one side of each of the ratchet and the limiting groove is arc-shaped, the other side of each of the ratchet is provided with an inclined plane, the other side of each of the ratchet is fixedly connected with a limiting block, the limiting blocks are in lap joint with the end face of the bottom of the outer cover, the number of the limiting grooves is more than that of the ratchets, and the number of the ratchets is not less than.
4. The modular expansion bolt of claim 2 for ease of installation, further comprising: the outer cover is of a hexagonal prism structure and is made of hard rubber materials, the outer cover is tightly attached to the outer surface of the nut, and the ratchet teeth are consistent with the arc surface of the limiting groove in orientation.
5. The modular expansion bolt of claim 1 for ease of installation, further comprising: expansion bolt still includes the spacing subassembly that two symmetries set up, spacing subassembly includes gag lever post, pivot, sets up logical groove, overlap joint piece and the spacing spring in the grafting on sleeve pipe surface, the gag lever post rotates through the pivot to be connected on the logical groove lateral wall of grafting, overlap joint piece gomphosis sets up on the notch of seting up on bolt post surface, the overlap joint piece passes through spacing spring coupling on the notch lateral wall, the outer wall parallel and level of overlap joint piece outer wall and bolt post.
6. The modular expansion bolt of claim 5 for ease of installation, further comprising: the gag lever post slope sets up inside logical groove is pegged graft, the bottom rigid coupling of gag lever post has the arc, the arc is crooked setting downwards, the overlap joint piece is located the arc under, and is less than the height of bellying along the distance between the vertical direction between overlap joint piece and the arc.
7. The modular expansion bolt of claim 5 for ease of installation, further comprising: the expansion bolt further comprises a locking assembly, the locking assembly comprises a positioning column, a rubber ring, a wedge-shaped column, a transverse rod and a fixing pipe, the positioning column is inserted into the positioning groove, the positioning groove is formed in the top of the bolt column, the transverse rods distributed in the horizontal direction are arranged on two sides of the bottom of the positioning groove, the transverse rods are inserted into the bolt column, one end of each transverse rod extends to the inner cavity of the positioning groove, and the transverse rods are located at the bottom of the positioning column.
8. The modular expansion bolt of claim 7 for ease of installation, further comprising: the top of reference column outwards extends the spacing dish that forms disc type structure, and the reference column surface that is located spacing dish bottom has cup jointed the rubber ring, the top and the bottom of rubber ring support respectively to spacing dish and bolt post, the bottom rigid coupling of reference column has the wedge post, and one side that the bottom of wedge post is close to the horizontal pole is inclined plane portion.
9. The modular expansion bolt of claim 8 for ease of installation, wherein: the locking assembly further comprises a fixed pipe, two transverse rods and a vertical rod connected with the transverse rods, the fixed pipe is sleeved on the surface of the bolt column, the fixed pipe is fixed on the side wall of the bottom of the gasket, the transverse rods are transversely inserted into the fixed pipe, and the transverse rods are connected to the transverse rods located right below the transverse rods through the vertical rods.
10. The modular expansion bolt of claim 9 for ease of installation, further comprising: the vertical rod is connected to the side wall of the fixed pipe in a sliding mode, and the width of the vertical rod is half of that of the transverse rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243607.4A CN112360857A (en) | 2020-11-10 | 2020-11-10 | Combined expansion bolt convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011243607.4A CN112360857A (en) | 2020-11-10 | 2020-11-10 | Combined expansion bolt convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112360857A true CN112360857A (en) | 2021-02-12 |
Family
ID=74509948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011243607.4A Withdrawn CN112360857A (en) | 2020-11-10 | 2020-11-10 | Combined expansion bolt convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112360857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482379A (en) * | 2021-07-01 | 2021-10-08 | 中国建筑土木建设有限公司 | Plug-in protective railing base |
| TWI821818B (en) * | 2021-12-13 | 2023-11-11 | 南臺學校財團法人南臺科技大學 | Expansion screw assembly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816759A (en) * | 1997-05-08 | 1998-10-06 | Illinois Tool Works Inc. | Expansion anchor and method therefor |
| CN102954079A (en) * | 2012-11-22 | 2013-03-06 | 姚景祥 | Rotation-preventing expansion bolt |
| CN105864254A (en) * | 2016-06-14 | 2016-08-17 | 江苏永昊高强度螺栓有限公司 | Anka anchor bolt based on multi-position supporting |
| CN106369031A (en) * | 2016-11-14 | 2017-02-01 | 杭州知加网络科技有限公司 | Improved expansion bolt |
| CN206555242U (en) * | 2017-01-07 | 2017-10-13 | 李婉婷 | Rotary-preventing expansion bolt |
| CN208169286U (en) * | 2018-05-21 | 2018-11-30 | 大冶市星云机电科技研究所 | Oscillating rod type hollow brick hangs foot expansion bolt |
| CN109185320A (en) * | 2018-11-06 | 2019-01-11 | 合肥惠科金扬科技有限公司 | Screw assembly |
| CN210949437U (en) * | 2019-08-02 | 2020-07-07 | 李浩宇 | Building anchor bolt |
| CN211370931U (en) * | 2020-01-13 | 2020-08-28 | 深圳市建辉五金制品有限公司 | Detachable large-size expansion bolt |
| CN211474616U (en) * | 2019-12-26 | 2020-09-11 | 南京扬子混凝土制品有限责任公司 | Screw rod type expansion bolt for concrete |
-
2020
- 2020-11-10 CN CN202011243607.4A patent/CN112360857A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816759A (en) * | 1997-05-08 | 1998-10-06 | Illinois Tool Works Inc. | Expansion anchor and method therefor |
| CN102954079A (en) * | 2012-11-22 | 2013-03-06 | 姚景祥 | Rotation-preventing expansion bolt |
| CN105864254A (en) * | 2016-06-14 | 2016-08-17 | 江苏永昊高强度螺栓有限公司 | Anka anchor bolt based on multi-position supporting |
| CN106369031A (en) * | 2016-11-14 | 2017-02-01 | 杭州知加网络科技有限公司 | Improved expansion bolt |
| CN206555242U (en) * | 2017-01-07 | 2017-10-13 | 李婉婷 | Rotary-preventing expansion bolt |
| CN208169286U (en) * | 2018-05-21 | 2018-11-30 | 大冶市星云机电科技研究所 | Oscillating rod type hollow brick hangs foot expansion bolt |
| CN109185320A (en) * | 2018-11-06 | 2019-01-11 | 合肥惠科金扬科技有限公司 | Screw assembly |
| CN210949437U (en) * | 2019-08-02 | 2020-07-07 | 李浩宇 | Building anchor bolt |
| CN211474616U (en) * | 2019-12-26 | 2020-09-11 | 南京扬子混凝土制品有限责任公司 | Screw rod type expansion bolt for concrete |
| CN211370931U (en) * | 2020-01-13 | 2020-08-28 | 深圳市建辉五金制品有限公司 | Detachable large-size expansion bolt |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482379A (en) * | 2021-07-01 | 2021-10-08 | 中国建筑土木建设有限公司 | Plug-in protective railing base |
| CN113482379B (en) * | 2021-07-01 | 2022-09-27 | 中国建筑土木建设有限公司 | Plug-in protective railing base |
| TWI821818B (en) * | 2021-12-13 | 2023-11-11 | 南臺學校財團法人南臺科技大學 | Expansion screw assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112360857A (en) | Combined expansion bolt convenient to install | |
| US4074893A (en) | Fence | |
| US6202368B1 (en) | Earth anchoring system | |
| CN110130633B (en) | Telescopic disc buckle type steel pipe supporting system and construction method | |
| US20230041281A1 (en) | Truss foundation adapters for single-axis trackers | |
| GB2195681A (en) | Mine roof truss | |
| CN214364795U (en) | Anti-seismic anti-compression scaffold for house construction | |
| CN210194608U (en) | Spiral connection structure of circular steel-pipe pile | |
| WO2024007452A1 (en) | Fixing device, fixing device mounting method, and wall construction method | |
| KR100790019B1 (en) | Bricks wall reinforcement method | |
| CN113047442B (en) | House structure and construction method thereof | |
| CN210049552U (en) | Socket joint type scaffold node connecting device and scaffold | |
| JPH04213664A (en) | Connecting device for structure made of stone material or the like | |
| KR102037167B1 (en) | Earth anchor | |
| CN215889433U (en) | Assembled exterior wall cladding and supporting limb guardrail thereof | |
| CN214365101U (en) | Assembled edge guardrail | |
| CN218091975U (en) | Connect stable steel construction installation mosaic structure | |
| KR200306744Y1 (en) | Concrete form fixing tool for underground breast wall | |
| CN114045862B (en) | Base suitable for sandy soil foundation | |
| CN219863440U (en) | Construction structure of sound insulation board | |
| CN213710396U (en) | Positioning die for installing positioning support piece | |
| JPH0214644Y2 (en) | ||
| JP2000045572A (en) | Temporary electric pole for dwelling construction | |
| CN211080989U (en) | Building scaffold fixes and detains | |
| CN219196481U (en) | Anchoring structure for Fang Jian concrete column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |
|
| WW01 | Invention patent application withdrawn after publication |