CN212055415U

CN212055415U - Interior gecko of compelling suitable for multiple wall

Info

Publication number: CN212055415U
Application number: CN201922425685.5U
Authority: CN
Inventors: 张雅欣; 赖绣奇
Original assignee: Ningbo Anwang Special Fastener Co ltd
Current assignee: Ningbo Anwang Special Fastener Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-12-01
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to an interior gecko that compels suitable for multiple wall, include the expansion pipe, wear to locate screw rod and threaded connection in the expansion pipe in the nut of screw rod one end, the other end of screw rod is provided with the limiting plate, the screw rod is keeping away from a pot head of nut is equipped with the expansion head, the confession has been seted up to the one end of expansion head the spacing groove that the limiting plate was pegged graft, the expansion head side is established to the slope form. The utility model has the characteristics of have same installation effectiveness when installing on the wall body of difference, simple to operate, fixed effectual etc.

Description

Interior gecko of compelling suitable for multiple wall

Technical Field

The utility model belongs to the technical field of the fastener technique and specifically relates to a gecko is compeled in suitable for multiple wall.

Background

At present, the fixing principle of the expansion screw is that the wedge-shaped slope is used to make the expansion generate the friction binding force to achieve the fixing effect. One end of the screw is provided with threads, and the other end of the screw is provided with a taper. The steel sheet is covered on the outer surface, a plurality of cuts are arranged on one half of the iron sheet cylinder, the steel sheet cylinder and the cuts are plugged into a hole drilled on a wall together, then a nut is locked, the nut pulls a screw outwards to pull the taper into the steel sheet cylinder, the steel sheet cylinder is expanded and then is tightly fixed on the wall, and the steel sheet cylinder is generally used for fastening protective guards, awning, air conditioners and the like on materials such as cement, bricks and the like.

The prior patent grant publication number: CN204828183U "strong gecko" discloses a strong gecko, which comprises a tubular bolt with an external thread, wherein the other end of the tubular bolt opposite to the external thread is provided with a forked expansion head, the expansion head is provided with a support surface with clearance fit, the support surface is cylindrical, the tubular bolt is provided with a hollow inner cavity, a core column is sleeved in the inner cavity, the length of the core column is greater than that of the tubular bolt, one end of the core column close to the inner part is a conical tip, the diameter of the inner cavity is greater than that of the support surface, a transition surface with an angle of 30 degrees is arranged from the inner cavity to the support surface, the angle of the corresponding conical tip is also 30 degrees, and a transition surface with an angle of 30 degrees is arranged from the inner cavity to the support surface. Knocking the core column, and enabling the conical tip arranged at one end of the core column to contact the transition surface first to enable the expansion head to deform, so that the strong gecko is fixed on the wall.

The above prior art solutions have the following drawbacks: the expansion deformation amount of the expansion head in the strong gecko is a fixed value, but the environments of the strong gecko are different, the strength of some wall bodies is higher, the wall bodies can be firmly fixed on a wall without too large expansion deformation amount, once the wall bodies are damaged due to too large deformation amount, the strength of some wall bodies is lower, and the smaller deformation amount is not enough to enable the strong gecko to be fixed on the wall, so that the best fixing effect of the strong gecko can not be achieved when the strong gecko faces different wall bodies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior gecko that forces who exists to prior art, the utility model is suitable for a plurality of wall bodies.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a gecko is compeled in suitable for multiple wall, includes the expansion pipe, wears to locate screw rod and threaded connection in the expansion pipe in the nut of screw rod one end, the other end of screw rod is provided with the limiting plate, the screw rod is keeping away from an pot head of nut is equipped with the expansion head, the confession has been seted up to the one end of expansion head the spacing groove that the limiting plate was pegged graft, the expansion head side is established to the slope form.

Through adopting above-mentioned technical scheme, when forcing the gecko bolt in using at ordinary times, at first make a mounting hole on the wall, this mounting hole is close with the expansion pipe diameter on forcing the gecko in, make and need not too hard just can force the gecko in pegging graft into the mounting hole, then through swivel nut, make the screw rod outwards slide, at the in-process that slides, the expansion head butt is in expansion pipe inner, and make expansion pipe one end produce deformation, thereby increase its butt power with the wall body, just also increased the frictional force along the expansion pipe direction, make it firmly fixed in the wall body, in this scheme, the expansion head is removable, when facing the wall body of different intensity, through changing the expansion head of gradient and variation in size, obtain the same frictional force, make when facing different wall bodies, reach the same fixed effect.

The utility model discloses further set up to: the expansion pipe comprises a sleeve and a plurality of expansion blades integrally arranged at one end of the sleeve, the inner end of each expansion blade is abutted to the side end of the expansion head, and one end, far away from the sleeve, of each expansion blade is obliquely arranged.

Through adopting above-mentioned technical scheme, because the side end face of inflation head sets up for the slope, so when inflation blade deformation, its orbit is circular-arc, when deformation, hinders its main factor of deformation and is exactly the wall body, if inflation blade one end sets up to its extending direction of perpendicular to, the corresponding will grow of resistance that it bore, sets up this terminal surface into the slope form, and the deformation area of wall body diminishes, and corresponding resistance will diminish, makes things convenient for the construction more.

The utility model discloses further set up to: the expansion blade is close to one end of the sleeve pipe and is provided with a first deformation groove and a second deformation groove, the first deformation groove is located at the inner end of the expansion blade, the depth of the first deformation groove is shallow, the opening and closing angle of the first deformation groove is large, the second deformation groove is located at the outer end of the expansion blade, the depth of the second deformation groove is deep, and the opening and closing angle of the second deformation groove is small.

Through adopting above-mentioned technical scheme, the other factor that hinders inflation blade deformation when the installation is exactly the hindrance of inflation blade itself, and on the one hand itself is made by metal, and on the other hand, itself is circular-arc, and the resistance that bears during deformation is great, and this scheme is through offering first deformation groove and second deformation groove in inflation blade's one end, guaranteeing its intensity, can not be torn by external force promptly for inflation blade's deformation is laborsaving more.

The utility model discloses further set up to: the expansion head side end is provided with a positioning convex ring, and the inner end of the expansion blade is provided with a positioning groove for the insertion of the positioning convex ring.

Through adopting above-mentioned technical scheme, during actual construction, because the inclined plane of inflation head side is the level and smooth form, when the nut drive screw rod that rotates outwards displacement, there is not the way to confirm the amount of insertion of inflation head and the deformation volume of inflation blade, it is too big to cause the type variation very easily, cause structural strength to descend, make this interior forcing gecko damage easily, this scheme is rabbetted in the constant head tank through the location bulge loop, make there is a cascaded sense of touch during the deformation, make operating personnel stop operation after the sense of touch, its deformation volume reaches best this moment, it is very convenient when actual operation.

The utility model discloses further set up to: one end of the expansion blade, which is far away from the sleeve, is provided with an expansion groove, and an expansion plate is inserted in the expansion groove.

Through adopting above-mentioned technical scheme, when the deformation volume reaches the biggest still can not be fine with forcing the gecko fine fixed, through the interpolation expansion version in the inflation groove for the deformation volume grow of expansion blade, thereby be suitable for more wall bodies.

The utility model discloses further set up to: the outer end face of each expansion blade is evenly provided with fixing nails perpendicular to the expansion blades, and one ends of the fixing nails are provided with barbs.

Through adopting above-mentioned technical scheme, interior forced gecko can be fixed on the wall because its frictional force with the wall body is very big, increases the frictional force between interior forced gecko and the wall body through the staple in this scheme for interior forced gecko installs more firmly, has further strengthened stability through the barb simultaneously.

The utility model discloses further set up to: the outer end of the expansion blade is sleeved with a protective sleeve.

Through adopting above-mentioned technical scheme, staple and barb are the effective way of reinforcing interior gecko performance, and all interior geckos of forcing will be placed together and transport in the transportation, probably collide each other between the interior geckos to cause partial staple and barb to damage, thereby influence the fixed effect of interior gecko, this scheme protects staple and barb through the protective sheath, thereby guarantees that interior gecko's performance is not impaired.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the detachable replacement of the expansion head and the use of the expansion plate, the interior forcing gecko is suitable for various wall bodies, and can achieve the same fixing effect when facing different wall bodies;

2. the first deformation groove and the second deformation groove as well as one end of the expansion blade, which is far away from the sleeve, are obliquely arranged, so that the deformation of the expansion blade is easier, and the installation of the interior forcing gecko is facilitated;

3. the fixation of the forced gecko is firmer through the fixing nails and the barbs.

Drawings

FIG. 1 is a schematic view of an appearance structure of an interior forced gecko bolt;

FIG. 2 is an exploded view of an interior forced gecko bolt;

fig. 3 is an enlarged view of fig. 2 at a.

In the figure: 1. an expansion tube; 2. a screw; 3. a nut; 4. a limiting plate; 5. an expansion head; 6. a limiting groove; 7. an expansion blade; 8. a sleeve; 9. positioning the convex ring; 10. positioning a groove; 11. a first deformation groove; 12. a second deformation groove; 13. an expansion tank; 14. an expansion plate; 15. fixing nails; 16. a barb; 17. and (6) a protective sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an interior forcing gecko suitable for various wall surfaces comprises an expansion pipe 1, a screw rod 2 penetrating through the expansion pipe 1 and a nut 3 in threaded connection with one end of the screw rod 2, wherein a limiting plate 4 and an expansion head 5 are arranged at the other end of the screw rod 2.

One end of the screw rod 2 is connected with a nut 3 through threads, the other end of the screw rod is integrally provided with a limiting plate 4, the limiting plate 4 is in a circular plate shape, the end face, close to the nut 3, of the limiting plate 4 is in a smooth shape, the end face, far away from the nut 3, of the limiting plate is in a conical shape, the screw rod 2 is not provided with threads at the end close to the limiting plate 4, and the diameter of the part, where the threads are not provided, of.

Referring to fig. 1 and fig. 2, the expansion head 5 is sleeved at one end of the screw rod 2 close to the limiting plate 4, a limiting groove 6 is formed at one end of the expansion head 5 close to the limiting plate 4, the end surface of the limiting plate 4 abuts against the bottom wall of the limiting groove 6, the side end surface of the expansion head abuts against the side wall of the limiting groove 6, the side end of the expansion head 5 is obliquely arranged, and one end of the expansion head far away from the limiting plate 4 is thinner than one end of the expansion head close to the limiting plate.

The expansion pipe 1 comprises a plurality of expansion blades 7 which are uniformly distributed and close to one end of an expansion head 5 and a sleeve 8 which is sleeved on the screw rod 2, one end, close to the sleeve 8, of each expansion blade 7 is thin, one end, far away from the sleeve 8, of each expansion blade is thick, the outer end face of each expansion blade is parallel to the side end face of the sleeve 8, the thin end of the side end of the expansion head 5 is inserted between the expansion blades 7, a positioning convex ring 9 is integrally arranged at the side end of the thick end of the expansion head 5, a positioning groove 10 for inserting the positioning convex ring 9 is formed in the inner end face of each expansion blade 7, when the screw rod 2 is driven by the rotating nut 3 to move towards the direction far away from the expansion head 5, the expansion head 5 is slowly inserted between the expansion blades 7, and in the inserting process, the expansion blades 7 deform until the positioning.

Referring to fig. 2 and 3, a first deformation groove 11 and a second deformation groove 12 are formed at the connection position of the expansion blade 7 and the sleeve 8, the first deformation groove 11 is located at the inner end of the expansion blade 7, the depth of the first deformation groove is shallow, the opening and closing angle is large, when the expansion blade 7 deforms, two side walls of the first deformation groove 11 tend to be straight, the second deformation groove 12 is located at the outer end of the expansion blade 7, the depth of the second deformation groove is deep, the opening and closing angle is small, when the expansion blade 7 deforms, two side walls of the second deformation groove 12 tend to be close, the first deformation groove 11 and the second deformation groove 12 enable the extrusion force required when the expansion blade 7 deforms to be small, operation is more convenient through the nut 3, the positioning stopping effect is achieved, and the expansion blade 7 is prevented from being too large in deformation.

The terminal surface that expansion blade 7 kept away from nut 3 is the slope setting, has seted up expansion tank 13 on its this terminal surface, and it has expansion plate 14 to peg graft in the expansion tank 13, and is less when the hardness of wall body to need bigger deformation angle, thereby insert expansion plate 14 in expansion tank 13, thereby increase expansion blade 7's deformation angle makes its fixing in the wall that can be more stable.

The outer end face of the expansion blade 7 is uniformly provided with fixing nails 15, the fixing nails 15 are perpendicular to the side end face of the expansion blade 7, barbs 16 are integrally arranged on the end face of one end, close to the bolt, of the fixing nails 15, when the expansion blade 7 deforms, the fixing nails 15 are nailed into the wall, and the barbs 16 are wedged into the wall, so that the interior wall gecko is firmly fixed in the wall.

The outer end of the expansion blade 7 is sleeved with a protective sleeve 17, and the protective sleeve 17 is made of rubber.

The implementation principle of the embodiment is as follows:

when the interior wall anchor is used at ordinary times, the strength of a wall body is firstly measured, a proper expansion head 5 is selected, a mounting hole is drilled on the wall, the diameter of the mounting hole is close to that of an expansion pipe 1 on the interior wall anchor, a protective sleeve 17 is taken down to insert the interior wall anchor into the mounting hole, then the screw rod 2 is enabled to slide outwards through rotating the nut 3, the expansion head 5 is abutted to the inner end of the expansion pipe 1 in the sliding process, one end of the expansion pipe 1 is enabled to deform, the fixing nail 15 and the barb 16 are both inserted into the wall body in the deforming process, accordingly, the friction force along the direction of the expansion pipe 1 is increased, when the positioning convex ring 9 is embedded in the positioning groove 10, the nut 3 is stopped rotating, and the interior wall anchor is firmly fixed in the wall body.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a gecko is compeled in suitable for multiple wall, includes expansion pipe (1), wears to locate screw rod (2) and threaded connection in expansion pipe (1) screw rod (2) one end nut (3), its characterized in that: the other end of screw rod (2) is provided with limiting plate (4), screw rod (2) are keeping away from the pot head of nut (3) is equipped with inflation head (5), the confession has been seted up to the one end of inflation head (5) spacing groove (6) that limiting plate (4) were pegged graft, inflation head (5) side is established to the slope form.

2. The forced wall gecko as claimed in claim 1, wherein: the expansion pipe (1) comprises a sleeve (8) and a plurality of expansion blades (7) integrally arranged at one end of the sleeve (8), the inner ends of the expansion blades (7) are abutted to the side end of the expansion head (5), and one end, far away from the sleeve (8), of each expansion blade (7) is obliquely arranged.

3. The forced wall gecko as claimed in claim 2, wherein: the expansion blade (7) is close to one end of the sleeve (8) and is provided with a first deformation groove (11) and a second deformation groove (12), the first deformation groove (11) is located at the inner end of the expansion blade (7), the depth of the first deformation groove is shallow, the opening and closing angle is large, the second deformation groove (12) is located at the outer end of the expansion blade (7), the depth of the second deformation groove is deep, and the opening and closing angle is small.

4. The forced wall gecko as claimed in claim 3, wherein: the expansion head (5) side is provided with a positioning convex ring (9), and the inner end of the expansion blade (7) is provided with a positioning groove (10) for the insertion of the positioning convex ring (9).

5. The forced wall gecko as claimed in claim 4, wherein: one end, far away from the sleeve (8), of the expansion blade (7) is provided with an expansion groove (13), and an expansion plate (14) is inserted in the expansion groove (13).

6. The forced wall gecko as claimed in claim 5, wherein: the outer end face of the expansion blade (7) is uniformly provided with fixing nails (15) perpendicular to the expansion blade (7), and one end of each fixing nail (15) is provided with a barb (16).

7. The forced wall gecko as claimed in claim 6, wherein: the outer end of the expansion blade (7) is sleeved with a protective sleeve (17).