CN214837645U

CN214837645U - Implosion expansion bolt subassembly convenient to dismantle

Info

Publication number: CN214837645U
Application number: CN202121630352.7U
Authority: CN
Inventors: 范艳普
Original assignee: Ningbo Hexin Standard Parts Co ltd
Current assignee: Ningbo Hexin Standard Parts Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-23
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses an easy-to-detach implosion expansion bolt assembly in the technical field of hardware equipment, which comprises a first screw, wherein the right end of the first screw is fixed with an installation shaft, the right end of the installation shaft is provided with an expansion head, the left end of the first screw is in threaded connection with a first nut, the right side of the first nut is provided with a gasket, the axis position of the first screw is provided with a cylindrical through groove, the cylindrical through groove is internally rotated with a rotating shaft, the left end of the rotating shaft is fixed with a hexagonal prism, the center of the left end of the installation shaft is provided with a transmission groove, the transmission groove is internally rotated with a second screw, the second screw is in threaded connection with a second nut, the outer part of the second nut is symmetrically fixed with a plurality of connecting rods, the other end of each connecting rod is fixedly connected with the inner wall of an accommodating sleeve, and the outer part of the right side of the installation shaft is sleeved with an expansion sleeve; the implosion expansion bolt assembly can enable the expanded expansion sleeve to contract under the effect of the storage sleeve to be separated from the wall, the expansion sleeve can be taken out easily, meanwhile, the expansion sleeve is convenient to replace, the device is recycled, and the resource waste is avoided.

Description

Implosion expansion bolt subassembly convenient to dismantle

Technical Field

The utility model relates to a hardware equipment technical field specifically is an implosion expansion bolts subassembly convenient to dismantle.

Background

In our life, often punch at the wall body and install expansion bolts and fix some equipment, perhaps utilize expansion bolts to pull some ropes, expansion bolts's use is very convenient to easy operation, stability is high.

But the expansion bolts on the existing market are mostly disposable, and the expansion bolts after expansion can not restore the original shape, resulting in being difficult to disassemble from the wall body, the strong and hard dismantlement can make the wall body receive the damage, influence the outward appearance effect of wall body, make the wall body crack moreover easily, lead to the wall body to intake easily, make the life-span of wall body reduce, the expansion bolts after expansion can't reuse simultaneously and need wholly abandon, has caused the waste of resource.

Therefore the utility model provides an implosion expansion bolts subassembly convenient to dismantle to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an implosion expansion bolts subassembly convenient to dismantle has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an implosion expansion bolt assembly convenient to disassemble comprises a first screw rod, wherein an installation shaft is fixed at the right end of the first screw rod, an expansion head is installed at the right end of the installation shaft, a first nut is screwed at the left end of the first screw rod, a gasket is arranged at the right side of the first nut and is sleeved on the outer side of the first screw rod in a sliding manner, a cylindrical through groove is formed in the axis position of the first screw rod, a rotating shaft is arranged in the cylindrical through groove in a rotating manner through a bearing, a first installation groove is formed in the center of the left end of the first screw rod, a hexagonal prism is fixed at the left end of the rotating shaft and is positioned in the first installation groove, a transmission groove is formed in the center of the left end of the installation shaft, a second screw rod is arranged in the transmission groove in a rotating manner, the left end of the second screw rod is fixedly connected with the rotating shaft, a second nut is screwed on the second screw rod, and a plurality of connecting rods are symmetrically fixed outside the second nut, the equal fixed connection of the connecting rod other end accomodates a cover inner wall, accomodate the cover cup joint in the installation axle outside, install the axle outer wall and seted up the bar and led to the groove corresponding connecting rod position, installation axle middle part is fixed with the spacing ring, installation axle right side outside has cup jointed the expansion sleeve, a plurality of bar incisions have been seted up to the expansion sleeve right-hand member.

Preferably, the expansion head left end central authorities are fixed with the screw post, installation axle right-hand member central authorities offer with screw post assorted thread groove, screw post axle center position has the screw, the left end of screw slides and runs through behind the screw post with the installation axle spiro union, the expansion head is through behind the screw post spiro union installation axle, and the rethread screw fastens, makes things convenient for the installation of expansion head to dismantle, has guaranteed the stability after the installation of expansion head simultaneously.

Preferably, the screw is a cross-recessed pan head screw.

Preferably, the connecting rod and the storage sleeve are made of tungsten carbide hard alloy, the tungsten carbide hard alloy is high in hardness and not prone to deformation, and the service life of the assembly is prolonged.

Preferably, the side wall of the connecting rod is attached to the groove wall of the strip-shaped through groove, so that the storage sleeve can move rightly and leftwards and rightwards along the installation shaft direction.

Preferably, the number of said connecting rods is at least 4.

Preferably, the number of the strip-shaped incisions is at least 6.

Advantageous effects

The utility model provides an implosion expansion bolts subassembly convenient to dismantle. Compared with the prior art, the method has the following beneficial effects:

(1) this easy dismounting's implosion expansion bolts subassembly when needs are taken out from the wall body, drive pivot and second screw rod through rotatory hexagonal prism and rotate, thereby make the second nut move right, the second nut passes through the connecting rod and drives and accomodate the cover and move right, thereby make and accomodate cover extrusion expansion sleeve, thereby inflation cover that expands out contracts under the effect of accomodating the cover and breaks away from the wall, thereby make this implosion expansion bolts subassembly can take out easily, implosion expansion bolts subassembly's dismantlement efficiency has been improved, when having avoided implosion expansion bolts subassembly to dismantle and take place the friction between the wall body, cause the problem of the inside damage of wall body, the practicality and the result of use of implosion expansion bolts subassembly have been improved.

(2) This implosion expansion bolts subassembly convenient to dismantle takes out the back from the wall body, takes out the screw, and then rotatory inflation head drives the screw thread post and rotates to take off the inflation head, then will be old inflation cover take off more renewedly, realized the reuse of device, avoided the waste of resource, reduced implosion expansion bolts subassembly's use cost simultaneously.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of a connection structure of the second nut, the connecting rod and the receiving sleeve of the present invention;

FIG. 4 is a schematic structural view of the expansion sleeve of the present invention;

in figure 1, a first screw; 2. installing a shaft; 3. an expansion head; 4. a first nut; 5. a gasket; 6. a cylindrical through groove; 7. a rotating shaft; 8. a first mounting groove; 9. a hexagonal prism; 10. a transmission groove; 11. a second screw; 12. a second nut; 13. a connecting rod; 14. a storage sleeve; 15. a limiting ring; 16. an expansion sleeve; 17. a threaded post; 18. a screw; 19. a strip-shaped through groove; 20. and (5) strip-shaped incisions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-4, an easy-to-disassemble implosion expansion bolt assembly comprises a first screw 1, a mounting shaft 2 is fixed at the right end of the first screw 1, an expansion head 3 is installed at the right end of the mounting shaft 2, the expansion head 3 is used for expanding an expansion sleeve 16, a first nut 4 is screwed at the left end of the first screw 1, the first nut 4 is matched with the first screw 1 to enable the expansion head 3 to move, so that the expansion sleeve 16 expands, a gasket 5 is arranged at the right side of the first nut 4, the gasket 5 is sleeved outside the first screw 1 in a sliding manner, the gasket 5 is used for being attached to a wall when the assembly is installed, so that the first nut 4 is convenient to rotate, a cylindrical through groove 6 is formed in the axis position of the first screw 1, a rotating shaft 7 is rotatably arranged in the cylindrical through groove 6 through a bearing, a first mounting groove 8 is formed in the center of the left end of the first screw 1, a hexagonal prism 9 is fixed at the left end of the rotating shaft 7, the hexagonal prism 9 is positioned in the first mounting groove 8, the hexagonal prism 9 is used for matching with an external hexagonal wrench, so as to conveniently rotate the rotating shaft 7, the center of the left end of the mounting shaft 2 is provided with a transmission groove 10, a second screw rod 11 is rotatably arranged in the transmission groove 10, the left end of the second screw rod 11 is fixedly connected with the right end of the rotating shaft 7, a second nut 12 is screwed on the second screw rod 11, a plurality of connecting rods 13 are symmetrically fixed outside the second nut 12, the other ends of the connecting rods 13 are fixedly connected with the inner wall of a storage sleeve 14, the storage sleeve 14 is sleeved outside the mounting shaft 2, the outer wall of the mounting shaft 2 is provided with a strip-shaped through groove 19 corresponding to the position of the connecting rod 13, when the assembly is taken out, the rotating shaft 7 drives the second screw rod 11 to rotate, so that the second nut 12 moves rightwards, the second nut 12 drives the storage sleeve 14 to move rightwards through the connecting rod 13, so that the storage sleeve 14 extrudes the expansion sleeve 16, and the expanded expansion sleeve 16 contracts under the action of the storage sleeve 14 so as to separate from the wall, a limiting ring 15 is fixed in the middle of the mounting shaft 2, an expansion sleeve 16 is sleeved outside the right side of the mounting shaft 2, a plurality of strip-shaped notches 20 are formed in the right end of the expansion sleeve 16, and the strip-shaped notches 20 facilitate expansion of the expansion sleeve 16;

a threaded column 17 is fixed in the center of the left end of the expansion head 3, a threaded groove matched with the threaded column 17 is formed in the center of the right end of the mounting shaft 2, a screw 18 is arranged at the axis position of the threaded column 17, the left end of the screw 18 penetrates through the threaded column 17 in a sliding mode and then is in threaded connection with the mounting shaft 2, the screw 18 is taken out after the implosion expansion bolt assembly is taken out of a wall body, then the expansion head 3 is rotated to drive the threaded column 17 to rotate, the expansion head 3 is taken down, an old expansion sleeve 16 is taken down and replaced, the device is recycled, and waste of resources is avoided; the screw 18 is a cross-recessed pan head screw; the connecting rod 13 and the containing sleeve 14 are both made of tungsten carbide hard alloy, the tungsten carbide hard alloy is high in hardness and not easy to deform, and the service life of the assembly is prolonged; the side wall of the connecting rod 13 is attached to the groove wall of the strip-shaped through groove 19, so that the storage sleeve 14 can move right and straight left and right along the direction of the mounting shaft 2; the number of the connecting rods 13 is at least 4; the number of strip-shaped incisions 20 is at least 6.

And those not described in detail in this specification are well within the skill of those in the art.

When the device works, firstly, holes are drilled in a wall, then one end of an expansion head 3 of the implosion expansion bolt assembly is placed into the hole, the left end of a first screw rod 1 is impacted by a hammer to jack the implosion expansion bolt assembly into a proper position in the hole, then a wrench is used for rotating a first nut 4, the first nut 4 moves towards the wall, and a gasket 5 is used for extruding the wall, so that the first screw rod 1 drives an installation shaft 2 and the expansion head 3 to move outwards, an expansion sleeve 16 is kept still under the action of friction force with the wall, the expansion sleeve 16 is extruded in the moving process of the expansion head 3, and the expansion sleeve 16 is expanded, so that the implosion expansion bolt assembly can be tightly attached to the wall, and fixation is realized; when the implosion expansion bolt assembly needs to be taken down, the first nut 4 is rotated by a wrench, the first nut 4 moves reversely, then the hammer impacts the left end of the first screw 1 to enable the first screw 1, the mounting shaft 2 and the expansion head 3 to move a certain distance into the hole, then the hexagonal prism 9 is rotated by the external hexagonal wrench to drive the rotating shaft 7 and the second screw 11 to rotate, so that the second nut 12 moves rightwards, the second nut 12 drives the accommodating sleeve 14 to move towards the direction in the hole through the connecting rod 13, so that the accommodating sleeve 14 extrudes the expansion sleeve 16, the expanded expansion sleeve 16 contracts under the action of the accommodating sleeve 14 to be separated from the wall, the implosion expansion bolt assembly can be taken out easily, after the implosion expansion bolt assembly is taken out from the wall, the screw 18 is taken out, then the expansion head 3 is rotated to drive the threaded column 17 to rotate, so that the expansion head 3 is taken down, the old inflation cuff 16 is then removed and replaced with a new one.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An implosion expansion bolt subassembly convenient to dismantle, includes first screw rod (1), its characterized in that: the right end of the first screw rod (1) is fixedly provided with an installation shaft (2), the right end of the installation shaft (2) is provided with an expansion head (3), the left end of the first screw rod (1) is in threaded connection with a first nut (4), the right side of the first nut (4) is provided with a gasket (5), the gasket (5) is sleeved on the outer side of the first screw rod (1) in a sliding manner, a cylindrical through groove (6) is formed in the axis position of the first screw rod (1), a rotating shaft (7) is arranged in the cylindrical through groove (6) in a rotating manner through a bearing, a first installation groove (8) is formed in the center of the left end of the first screw rod (1), a hexagonal prism (9) is fixed at the left end of the rotating shaft (7), the hexagonal prism (9) is positioned in the first installation groove (8), a transmission groove (10) is formed in the center of the left end of the installation shaft (2), and a second screw rod (11) is rotationally arranged in the transmission groove (10), second screw rod (11) left end fixed connection pivot (7) right-hand member, the spiro union has second nut (12) on second screw rod (11), second nut (12) outside symmetry is fixed with a plurality of connecting rods (13), cover (14) inner wall is accomodate to the equal fixed connection of connecting rod (13) other end, it cup joints in the installation axle (2) outside to accomodate cover (14), installation axle (2) outer wall corresponds connecting rod (13) position and has seted up bar through groove (19), installation axle (2) middle part is fixed with spacing ring (15), installation axle (2) right side outside has cup jointed expansion sleeve (16), a plurality of bar incisions (20) have been seted up to expansion sleeve (16) right-hand member.

2. A readily removable implosion expansion bolt assembly as claimed in claim 1, wherein: the expansion head (3) left end central authorities are fixed with screw thread post (17), installation axle (2) right-hand member central authorities offer with screw thread post (17) assorted thread groove, screw thread post (17) axle center position has screw (18), the left end of screw (18) slides and runs through behind screw thread post (17) with installation axle (2) spiro union.

3. A readily removable implosion expansion bolt assembly as claimed in claim 2, wherein: the screw (18) is a cross-recessed pan head screw.

4. A readily removable implosion expansion bolt assembly as claimed in claim 1, wherein: the connecting rod (13) and the containing sleeve (14) are both made of tungsten carbide hard alloy.

5. A readily removable implosion expansion bolt assembly as claimed in claim 1, wherein: the side wall of the connecting rod (13) is attached to the groove wall of the strip-shaped through groove (19).

6. A readily removable implosion expansion bolt assembly as claimed in claim 1, wherein: the number of the connecting rods (13) is at least 4.

7. A readily removable implosion expansion bolt assembly as claimed in claim 1, wherein: the number of the strip-shaped cuts (20) is at least 6.