CN221257349U

CN221257349U - Novel expansion screw

Info

Publication number: CN221257349U
Application number: CN202323021504.5U
Authority: CN
Inventors: 王健; 储信慧
Original assignee: Individual
Current assignee: Individual
Filing date: 2023-11-08
Publication date: 2024-07-02
Anticipated expiration: 2033-11-08

Abstract

The utility model belongs to the technical field of expansion screws, and provides a novel expansion screw which comprises a wall body, wherein a main body mechanism comprises an expansion assembly, the expansion assembly comprises a first working piece and a second working piece, a plurality of first synapses are uniformly and fixedly arranged on the outer surface of the first working piece, a first recess is arranged between two adjacent first synapses, and a second synapses are uniformly and fixedly arranged on the outer surface of the second working piece. According to the utility model, through the structure of the expansion screw, firstly, the expansion screw can realize the use function and disassembly of the expansion screw on the basis of not damaging the structure of the expansion screw, and is simple and convenient to use and disassemble, secondly, the expansion screw structure is not damaged, so that the recycling of the expansion screw can be realized, the manufacturing cost is reduced, the resources are saved, and finally, the contact degree between the working surface of the screw and a wall body is increased, the bearing capacity and the durability of the expansion screw are increased, and the safety performance of the expansion screw is improved.

Description

Novel expansion screw

Technical Field

The utility model belongs to the technical field of expansion screws, and particularly relates to a novel expansion screw.

Background

Expansion screws are a special type of threaded connection used to secure a pipe support/hanger/bracket or equipment to a wall, floor or column. The existing expansion screw is screwed in and extruded by using a screw, so that the expansion body is contacted with the wall body after being expanded, and the purpose of tensioning is achieved.

In the chinese patent with publication No. CN218093786U, an expansion screw is mentioned that is easy to detach, the expansion screw is wrapped between the nut and the expansion end by an expansion pipe, the end of the expansion pipe near the expansion end is uniformly provided with expansion pieces, and the expansion screw is fixed by using deformation and expansion of the expansion pieces.

However, the expansion body is subjected to permanent deformation after expansion, so that the expansion body is difficult to recover and reuse, most expansion screws are disposable, so that the manufacturing cost and resources are wasted, most of the expansion screws used at present are expanded at the front end, the contact points with the wall are few, and the tolerance of the expansion screws is small.

Disclosure of utility model

In order to solve the above technical problems, the present utility model provides a novel expansion screw to solve the above problems.

A novel expansion screw comprises

The main body mechanism comprises a wall body, the main body mechanism comprises an expansion assembly, the expansion assembly comprises a first working piece and a second working piece, a plurality of first synapses are uniformly and fixedly arranged on the outer surface of the first working piece, a first recess is arranged between two adjacent first synapses, a second synapses are uniformly and fixedly arranged on the outer surface of the second working piece, a second recess is arranged between two adjacent second synapses, a plurality of first synapses are respectively filled in the plurality of second recesses, and a plurality of second synapses are respectively filled in the plurality of first recesses;

The driving mechanism comprises a screw rod, an external thread is arranged on the outer surface of the screw rod, an internal thread is arranged on the inner surface of the first working piece, and the screw rod is assembled with the first working piece through threads.

Preferably, the expansion assembly further comprises a plurality of first anchor hooks, and the plurality of first anchor hooks are uniformly and fixedly arranged on the outer surface of the first working piece.

Preferably, a plurality of second anchor hooks are uniformly and fixedly arranged on the outer surface of the second working piece.

Preferably, the driving mechanism further comprises a baffle fixedly installed at the rear end of the second working piece, a screw guide hole is formed in the baffle in a penetrating mode, one end of the screw rod rotates to penetrate through the screw guide hole, and an assisting handle is fixedly installed at the end head of the screw rod.

Preferably, the lower surface of the baffle plate and the lower surface of the second working plate are fixedly provided with working positioning tails.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, through the structure of the expansion screw, firstly, the expansion screw can realize the use function and disassembly of the expansion screw on the basis of not damaging the structure of the expansion screw, and is simple and convenient to use and disassemble, secondly, the expansion screw structure is not damaged, so that the recycling of the expansion screw can be realized, the manufacturing cost is reduced, the resources are saved, and finally, the contact degree between the working surface of the screw and a wall body is increased, the bearing capacity and the durability of the expansion screw are increased, and the safety performance of the expansion screw is improved.

2. According to the utility model, the relative position of the expansion screw and the wall body is maintained during tensioning by working positioning, so that the expansion screw is positioned, and the problem that the use of the expansion screw is affected due to dislocation of the installation position of the expansion screw caused by dislocation is avoided.

Drawings

FIG. 1 is a schematic view of a first view structure before use according to the present utility model;

FIG. 2 is a schematic view of a second view angle structure after use according to the present utility model;

FIG. 3 is a schematic illustration of the structure of the present utility model in use.

In the figure:

100. A main body mechanism; 101. a wall body; 102. a first work piece; 103. a first anchor hook; 104. a first synapse; 105. a first recess; 106. a second working piece; 107. a second anchor hook; 108. a second synapse; 109. a second recess; 200. a driving mechanism; 201. a baffle; 202. a screw guide hole; 203. a screw rod; 204. a power-assisted handle; 205. and (5) working and positioning the tail.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 3:

Embodiment one: the utility model provides a novel expansion screw, which comprises a main body mechanism 100 and a driving mechanism 200, wherein the main body mechanism 100 comprises a wall 101, the main body mechanism 100 comprises an expansion assembly, the expansion assembly comprises a first working piece 102 and a second working piece 106, a plurality of first synapses 104 are uniformly and fixedly arranged on the outer surface of the first working piece 102, a first concave 105 is arranged between two adjacent first synapses 104, a second synapses 108 are uniformly and fixedly arranged on the outer surface of the second working piece 106, a second concave 109 is arranged between two adjacent second synapses 108, a plurality of first synapses 104 are respectively filled in a plurality of second concave 109, and a plurality of second synapses 108 are respectively filled in a plurality of first concave 105.

The expansion assembly further comprises a plurality of first anchor hooks 103, the plurality of first anchor hooks 103 are uniformly and fixedly arranged on the outer surface of the first working piece 102, and a plurality of second anchor hooks 107 are uniformly and fixedly arranged on the outer surface of the second working piece 106

The driving mechanism 200 comprises a screw rod 203, wherein external threads are arranged on the outer surface of the screw rod 203, internal threads are arranged on the inner surface of the first working piece 102, the screw rod 203 is assembled with the first working piece 102 in a threaded manner, the driving mechanism further comprises a baffle 201 fixedly arranged at the rear end of the second working piece 106, a screw guide hole 202 is formed in the baffle 201 in a penetrating manner, one end of the screw rod 203 rotates to penetrate through the screw guide hole 202, and a power assisting handle 204 is fixedly arranged at the end head of the end.

It is known from the above that, when in use, firstly, a proper hole is drilled on the wall 101 by using a drilling machine, before the expansion screw is put into the wall 101, firstly, the first working piece 102 and the second working piece 106 are placed at staggered positions, so that the first synapse 104 are respectively filled in the second recesses 109, the second synapse 108 are respectively filled in the first recesses 105, at this time, the expansion screw is in a loose state, when in use, the expansion screw in the loose state is put into the wall 101, the screw rod 203 in the first working piece 102 is screwed by using the power-assisted handle 204, after the screw 203 is tightened, the first working piece 102 is driven to move outwards, at this time, the first synapse 104 of the first working piece 102 and the second synapse 108 of the second working piece 106 move relatively, so that the highest protruding parts of the first synapse 104 and the highest protruding parts of the second synapse 108 gradually contact each other, at this time, the transverse position of the expansion screw has the maximum expansion deformation, so that the first anchor hook 103 and the second anchor hook 107 hook the wall 101, and the installation and fixation of the expansion screw are completed.

When the screw 203 of the first working piece 102 is unscrewed, the first synapse 104 of the first working piece 102 and the second synapse 108 of the second working piece 106 are in opposite relative movement, the first synapse 104 is refilled in the second recess 109, the second synapse 108 is refilled in the first recess 105, at the moment, the expansion screw is contracted in the transverse position, so that the first anchor hook 103 and the second anchor hook 107 are separated from the wall 101, and the expansion screw can be taken out.

Firstly, this expansion screw can realize the use function and dismantle of expansion screw on the basis of not destroying expansion screw own structure, uses and dismantles simply conveniently, secondly, because expansion screw structure is not destroyed thereby can realize expansion screw's reuse, reduce manufacturing cost and resources are saved, finally, this expansion screw has increased the contact degree of screw working surface and wall body 101, has increased expansion screw's bearing capacity and durable, has improved expansion screw's security performance.

Embodiment two: for the second embodiment of the present utility model, the driving mechanism 200 is included, and the working positioning tail 205 is fixedly installed on the lower surface of the baffle 201 and the lower surface of the second working plate 106.

From the above, the working positioning tail 205 maintains the relative position of the expansion screw and the wall 101 during tensioning, and positions the expansion screw, so as to avoid the dislocation of the installation position of the expansion screw, which affects the use of the expansion screw.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. Accordingly, all such modifications are intended to be included within the scope of the present utility model, as the order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments, it is understood that the examples described above are exemplary and are not to be construed as limiting the utility model, and variations, modifications, alternatives, and alterations to the examples described above may be made by those of ordinary skill in the art within the scope of the present utility model.

Claims

1. A novel expansion screw, characterized in that: comprising

The main body mechanism (100) comprises a wall body (101), the main body mechanism (100) comprises an expansion assembly, the expansion assembly comprises a first working piece (102) and a second working piece (106), a plurality of first synapses (104) are uniformly and fixedly arranged on the outer surface of the first working piece (102), a first concave (105) is arranged between two adjacent first synapses (104), a second synapses (108) are uniformly and fixedly arranged on the outer surface of the second working piece (106), a second concave (109) is arranged between two adjacent second synapses (108), the first synapses (104) are respectively filled in the second concave (109), and the second synapses (108) are respectively filled in the first concave (105);

The driving mechanism (200) comprises a screw rod (203), wherein external threads are arranged on the outer surface of the screw rod (203), internal threads are arranged on the inner surface of the first working piece (102), and the screw rod (203) is assembled with the first working piece (102) in a threaded mode.

2. A novel expansion screw as defined in claim 1, wherein: the expansion assembly further comprises a plurality of first anchor hooks (103), and the plurality of first anchor hooks (103) are uniformly and fixedly arranged on the outer surface of the first working piece (102).

3. A novel expansion screw as defined in claim 1, wherein: and a plurality of second anchor hooks (107) are uniformly and fixedly arranged on the outer surface of the second working piece (106).

4. A novel expansion screw as defined in claim 1, wherein: the driving mechanism (200) further comprises a baffle plate (201) fixedly arranged at the rear end of the second working plate (106), a screw guide hole (202) is formed in the baffle plate (201) in a penetrating mode, one end of the screw rod (203) rotates to penetrate through the screw guide hole (202), and an assisting handle (204) is fixedly arranged at the end of the screw rod.

5. A novel expansion screw as set forth in claim 4, wherein: the lower surface of the baffle plate (201) and the lower surface of the second working plate (106) are fixedly provided with working positioning tails (205).