CN220035403U - NPR stock with anti-drop function - Google Patents

Abstract

The utility model discloses an NPR anchor rod with an anti-falling function, which comprises the following components: the anchor rod and the tray; the anchor rod is movably connected with a tray, and the anchor rod is movably connected with a backing plate. This NPR stock with anti-drop function, when the stock inserts drilling inside, can rotate the rotor block, can drive the swivel joint and rotate when the rotor block rotates, can rotate through the rotary groove when the swivel joint rotates, can drive the screw rod and rotate when the rotor block rotates, can drive the extrusion stem through the screw thread groove and carry out the screw thread slip when the screw rod screw thread slides, can drive the spring and extrude the stripper plate when the extrusion groove slides, can extrude the inner wall of drilling when the one end roll-off collection inslot portion of fixture block, can make the stock firm fix the inside at the drilling when the fixture block extrudees the drilling inner wall, can possess anti-drop structure when making things convenient for the stock to insert drilling inside.

Description

NPR stock with anti-drop function

Technical Field

The utility model relates to the technical field of NPR anchor rods, in particular to an NPR anchor rod with an anti-falling function.

Background

The NPR anchor rod is a novel steel bar material, also called negative Poisson's ratio, and when being stretched, the material transversely expands in an elastic range; while the transverse direction of the material instead contracts when compressed. Compared with PSBHRB steel bars, the novel NPR anchor rod steel material has the characteristics of no magnetism, high strength, high toughness, high uniform extension and adaptability to large deformation, has wide application prospect in the fields of energy mines, traffic tunnels, earthquake-resistant buildings, bridge engineering and the like, and has certain defects, such as;

the existing NPR anchor rod is firstly required to be drilled on a wall body by using a drilling machine when in use, then the NPR anchor rod is inserted into the drilled hole, then the NPR anchor rod is fastened by a tray, a base plate and a lock nut, although the NPR anchor rod can be fastened by the lock nut, the NPR anchor rod can be loosened from the drilled hole when the wall body vibrates, after the NPR anchor rod is loosened from the drilled hole, the NPR anchor rod can fall off from the drilled hole, so that the firmness of the wall body can be reduced, even the collapse of the wall body can be caused, serious safety accidents and property loss can be caused, and the NPR anchor rod does not have the anti-falling function.

Disclosure of Invention

The utility model provides the following technical scheme: the utility model aims to provide an NPR anchor rod with an anti-falling function, which aims to solve the problems that the NPR anchor rod in the current market proposed by the background technology has a plurality of defects and does not have the anti-falling function.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an NPR anchor rod with anti-drop function, comprising: the anchor rod and the tray;

the movable connection has the tray on the stock, swing joint has the backing plate on the stock, threaded connection has lock nut on the stock.

Preferably, the anchor rod is further provided with a connecting groove, a rotating ring, a rotating block, a screw rod, a limiting groove, an extruding rod, a limiting block, a storage groove, a clamping block, a pressing groove, an extruding plate and a spring;

the end of the anchor rod is provided with a connecting groove.

Preferably, a rotary groove is formed in the end portion of the anchor rod, and a rotary ring is connected inside the rotary groove in a rotary mode.

Preferably, the end part of the rotating ring is fixedly connected with a rotating block, and the end part of the rotating block is fixedly connected with a screw rod;

the screw rod is movably connected in the connecting groove.

Preferably, a limit groove is formed in the connecting groove, and an extrusion rod is connected to the side surface of the screw in a threaded manner;

and the end part of the extrusion rod is fixedly connected with a limiting block.

Preferably, the limiting block is movably connected in the limiting groove, and the inner side of the connecting groove is provided with a storage groove in a penetrating way;

the inside of the collection groove is movably connected with a clamping block.

Preferably, the surface of the clamping block is provided with a pressing groove in a penetrating way, and the surface of the clamping block is provided with an extruding groove in a penetrating way;

and a spring is fixedly connected inside the extrusion groove.

Preferably, the end part of the spring is fixedly connected with a squeeze plate, and the squeeze plate is slidably connected in the squeeze groove;

the two ends of the extrusion plate are fixedly connected in the storage groove.

Compared with the prior art, the utility model has the beneficial effects that: this NPR stock with anti-drop function, when the stock inserts drilling inside, can rotate the dwang, can drive the swivel ring and rotate when the dwang rotates, can drive the screw rod and rotate when the swivel ring rotates through the swivel groove, can drive the extrusion rod and carry out the screw thread slip through the screw groove when the screw rod screw thread slides, can drive the stopper when the extrusion rod slides and remove, can lead to the slip through the spacing groove when the stopper removes, when the extrusion rod slides to the pressing groove side, the extrusion rod can slide with the pressing groove, can extrude the inclined plane of pressing groove when the extrusion rod slides, can drive the fixture block and remove when the pressing groove receives the extrusion, can drive the extrusion groove and remove when the fixture block removes through the collection groove, can drive the spring and extrude the extrusion plate when the extrusion groove slides, can extrude the inner wall of drilling when the one end of fixture block slides out the inside of collection groove, can make firm fixing when the fixture block extrudes the inner wall of drilling and can be equipped with the inside of drilling when inserting the stock and conveniently drop.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a front view in cross section;

FIG. 3 is a schematic side sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the portion A of the present utility model;

fig. 5 is an enlarged view of the structure of the portion B of the present utility model.

In the figure: 1. a bolt; 101. a connecting groove; 102. a rotary groove; 103. a rotating ring; 104. a rotating block; 105. a screw; 106. a limit groove; 107. an extrusion rod; 108. a limiting block; 109. a collection groove; 110. a clamping block; 111. a pressing groove; 112. an extrusion groove; 113. an extrusion plate; 114. a spring; 2. a tray; 3. a backing plate; 4. a lock nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: an NPR anchor rod with anti-drop function, comprising: the anchor rod 1 and the tray 2;

the anchor rod 1 is movably connected with a tray 2, the anchor rod 1 is movably connected with a backing plate 3, and the anchor rod 1 is connected with a locking nut 4 in a threaded manner.

The anchor rod 1 is further provided with a connecting groove 101, a rotating groove 102, a rotating ring 103, a rotating block 104, a screw 105, a limiting groove 106, an extrusion rod 107, a limiting block 108, a storage groove 109, a clamping block 110, a pressing groove 111, an extrusion groove 112, an extrusion plate 113 and a spring 114, the connecting groove 101 is formed in the end portion of the anchor rod 1, the extrusion rod 107 can slide through the connecting groove 101 when in threaded sliding, and the limiting block 108 can be driven to move when the extrusion rod 107 slides.

The rotary groove 102 has been seted up to the tip of stock 1, and the inside rotation of rotary groove 102 is connected with rotatory ring 103, and when stock 1 inserted drilling inside, can rotate rotatory piece 104, can drive rotatory ring 103 and rotate when rotatory piece 104 rotates, can rotate through rotary groove 102 when rotatory ring 103 rotates.

The end fixedly connected with dwang 104 of rotatory ring 103, the end fixedly connected with screw rod 105 of dwang 104, the dwang 105 can be driven to rotate when 104 rotates, can drive extrusion rod 107 through the screw groove when 105 rotates and carry out the screw sliding, screw rod 105 swing joint is in the inside of spread groove 101.

Limiting grooves 106 are formed in the connecting grooves 101, extrusion rods 107 are connected to the side faces of the screws 105 in a threaded mode, limiting blocks 108 are fixedly connected to the end portions of the extrusion rods 107, the limiting blocks 108 can be driven to move when the extrusion rods 107 slide, and guiding sliding can be conducted through the limiting grooves 106 when the limiting blocks 108 move.

The limiting block 108 is movably connected in the limiting groove 106, the storage groove 109 is formed in the connecting groove 101 in a penetrating mode, the clamping block 110 is movably connected in the storage groove 109, the clamping block 110 can be driven to move when the pressing groove 111 is pressed, and the clamping block 110 can slide through the storage groove 109 when moving.

The surface of fixture block 110 runs through and has offered the pressure groove 111, and the surface of fixture block 110 runs through and has offered the extrusion groove 112, and when extrusion rod 107 slides to the pressure groove 111 side, extrusion rod 107 can slide with pressure groove 111, can extrude the inclined plane of pressure groove 111 when extrusion rod 107 slides, and extrusion groove 112 inside fixedly connected with spring 114.

The tip fixedly connected with extrusion board 113 of spring 114, extrusion board 113 sliding connection can drive extrusion groove 112 when fixture block 110 slides and remove, can slide through extrusion board 113 when extrusion groove 112 removes, can drive spring 114 and extrude extrusion board 113 when extrusion groove 112 slides, can extrude the inner wall of drilling when the one end roll-off collection groove 109 of fixture block 110 is inside, can make stock 1 firm the fixing in the inside of drilling when fixture block 110 extrudees the drilling inner wall, the both ends fixed connection of extrusion board 113 is in the inside of collection groove 109.

Working principle: when the NPR anchor rod with the anti-falling function is used, firstly, the anchor rod 1 is inserted into a drilled hole, then, a lock nut 4 is rotated to slide through threads of the anchor rod 1, a backing plate 3 and a tray 2 can be pushed to move when the lock nut 4 slides through threads, when the tray 2 moves to the side surface of a wall body, a rotating block 104 can be rotated, a rotating ring 103 can be driven to rotate when the rotating block 104 rotates, the rotating ring 103 can rotate through a rotating groove 102, the rotating block 104 can rotate and simultaneously drive a screw 105 to rotate, the screw 105 can drive a pressing rod 107 to slide through threads through a threaded groove when the screw 105 rotates, the pressing rod 107 can slide through a connecting groove 101 when the pressing rod 107 slides, a limiting block 108 can be driven to move when the pressing rod 107 slides, the limiting block 108 can slide in a guiding manner through a limiting groove 106 when moving, when the extrusion rod 107 slides to the side surface of the pressing groove 111, the extrusion rod 107 can slide with the pressing groove 111, the extrusion rod 107 can extrude the inclined surface of the pressing groove 111 while sliding, the clamping block 110 can be driven to move when the pressing groove 111 is extruded, the clamping block 110 can slide through the collecting groove 109 while moving, the clamping block 110 can drive the extrusion groove 112 to move while sliding through the extrusion plate 113, the extrusion groove 112 can drive the spring 114 to extrude the extrusion plate 113 while sliding, when one end of the clamping block 110 slides out of the collecting groove 109, the inner wall of a drilling hole can be extruded, the clamping block 110 can firmly fix the anchor rod 1 in the drilling hole while extruding the inner wall of the drilling hole, the anchor rod 1 can have an anti-falling structure when being inserted into the drilling hole, what is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. An NPR anchor rod with anti-drop function, comprising: the device is characterized by comprising an anchor rod (1) and a tray (2);

the novel telescopic device is characterized in that a tray (2) is movably connected to the anchor rod (1), and the anchor rod (1) is further provided with a connecting groove (101), a rotating groove (102), a rotating ring (103), a rotating block (104), a screw (105), a limiting groove (106), an extruding rod (107), a limiting block (108), a collecting groove (109), a clamping block (110), a pressing groove (111), an extruding groove (112), an extruding plate (113) and a spring (114);

the connecting device comprises an anchor rod (1), wherein a connecting groove (101) is formed in the end part of the anchor rod (1), a rotating groove (102) is formed in the end part of the anchor rod (1), a rotating ring (103) is connected inside the rotating groove (102) in a rotating mode, a rotating block (104) is fixedly connected to the end part of the rotating ring (103), and a screw (105) is fixedly connected to the end part of the rotating block (104);

the screw rod (105) is movably connected in the connecting groove (101), the anchor rod (1) is movably connected with the base plate (3), and the anchor rod (1) is connected with the locking nut (4) in a threaded manner.

2. The NPR anchor rod with anti-drop function according to claim 1, wherein: a limiting groove (106) is formed in the connecting groove (101), and an extrusion rod (107) is connected with the side surface of the screw rod (105) in a threaded manner;

and a limiting block (108) is fixedly connected to the end part of the extrusion rod (107).

3. The NPR anchor rod with anti-drop function according to claim 1, wherein: the limiting block (108) is movably connected in the limiting groove (106), and a storage groove (109) is formed in the inner side of the connecting groove (101) in a penetrating manner;

the inside of the collection groove (109) is movably connected with a clamping block (110).

4. The NPR anchor rod with anti-drop function according to claim 1, wherein: the surface of the clamping block (110) is provided with a pressing groove (111) in a penetrating manner, and the surface of the clamping block (110) is provided with an extrusion groove (112) in a penetrating manner;

and a spring (114) is fixedly connected inside the extrusion groove (112).

5. The NPR anchor rod with anti-drop function according to claim 1, wherein: the end part of the spring (114) is fixedly connected with an extrusion plate (113), and the extrusion plate (113) is slidably connected in the extrusion groove (112);

both ends of the extrusion plate (113) are fixedly connected in the storage groove (109).