CN213451151U

CN213451151U - Self-locking fastener

Info

Publication number: CN213451151U
Application number: CN202022588922.2U
Authority: CN
Inventors: 王昭华
Original assignee: Zhejiang Yuanyi Scaffold Co ltd
Current assignee: Zhejiang Yuanyi Scaffold Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-15
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a from locking-type buckle, including the base. The first clamping plate is connected with one end of the two groups of support plates far away from the first pin shaft by a second pin shaft in a pin joint manner, the other end of the base far away from the first pin shaft is connected with the second clamping plate by a third pin shaft in a pin joint manner, an elastic clamping strip is connected between the second clamping plates by a third pin shaft in a pin joint manner, the steel pipe is placed in the fixed groove and is clamped with the elastic clamping strip through the pin shaft connection, the working strength of workers is reduced, the working efficiency is improved, the lower surface of the second clamping plate is attached to the upper part of the steel pipe to vertically lift the two groups of supporting rods, one end of the second clamping plate, which is far away from the third pin shaft, is clamped between the two groups of support rods, the first clamping plate is placed at the upper part of the second clamping plate, and first cardboard position down surface laminating in the second cardboard upper surface placed in the middle makes concave recess upper surface and the elasticity card strip looks joint of first cardboard keeping away from second round pin axle one end, need not the bolt fastening, and simple to operate is swift, and the buckle can the secondary use, has solved the problem that the bolt corrosion brought.

Description

Self-locking fastener

Technical Field

The utility model relates to a steel pipe fixture technical field specifically is a from locking-type buckle.

Background

The buckle is used extensively among the daily life, all has the application in all trades, uses extensively in traditional building trade and family life, still uses old-fashioned bolt buckle to the fixed of steel pipe mostly, and the bolt buckle receives liking of people because low cost.

But current bolt buckle has certain problem, and the bolt can produce rust at the live time overlength, and the screw thread of bolt can rust after long-time the use, and is longer to life cycle such as building trade, causes the dismantlement difficulty, and in case the bolt damages, is unfavorable for buckle secondary use.

And the bolt buckle needs lock nut when using, and buckle installation time is longer, leads to workman work load great, and efficiency is lower, the progress of certain degree influence time limit for a project.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-locking buckle, two groups of support rods are pinned between the side walls of two sides of a base by utilizing a first pin shaft, a first clamp plate is pinned at one end of two groups of support plates far away from the first pin shaft by utilizing a second pin shaft, a second clamp plate is pinned at one end of the base far away from the first pin shaft by utilizing a third pin shaft, an elastic clamping strip is pinned between the second clamp plates by utilizing the third pin shaft, a fixed groove is arranged inside the side walls of two sides of the base, a steel pipe is placed in the fixed groove, the lower surface of the second clamp plate is attached to the upper part of the steel pipe, the two groups of support rods are vertically lifted, one end of the second clamp plate far away from the third pin shaft is clamped between the two groups of support rods, the first clamp plate is placed on the upper part of the second clamp plate, the lower surface of the middle position of the first clamp plate is attached to the upper surface of the second, the bolt fixation is not needed to solve the problems in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from locking-type buckle, includes the base, base one end lateral wall upper portion has seted up first through-hole, the inside grafting of first through-hole has first round pin axle, first round pin off-axial portion is located and rotates between the base both sides lateral wall and is connected with branch, branch one side is located the outside fixed welding of first round pin axle and has the connecting pipe, branch is kept away from the inside rotation of first round pin axle one end and is connected with second round pin axle, second round pin off-axial portion is located branch one side and rotates and be connected with first cardboard, the base is kept away from first round pin axle one end pin joint and is had the third round pin axle, third round pin off-axial portion is located and rotates between the base both sides lateral wall and is connected with the second cardboard, third round pin off-axial portion is located second cardboard one side.

Preferably, the first through holes are arranged in two groups, the two groups of first through holes are symmetrically arranged inside the side walls of two sides of one end of the base, and the first pin shaft penetrates through the side walls of two sides of the base through the two groups of first through holes.

Preferably, the inside fixed slot that has seted up of base both sides lateral wall, the fixed slot sets up to semi-circular, the steel pipe has been placed in the laminating of fixed slot inside.

Preferably, the supporting rods are arranged into two groups, the two groups of supporting rods are symmetrically and fixedly connected to two ends of the connecting pipe, and the two groups of supporting rods are rotatably connected to the outer portion of the first pin shaft.

Preferably, one end, far away from the second pin shaft, of the first clamping plate is provided with a lower concave portion, the elastic clamping strips are S-shaped and bilaterally symmetrical, and one end, far away from the third pin shaft, of each elastic clamping strip is attached and clamped inside the lower concave portion at one end of the first clamping plate.

Preferably, the second clamping plate is a semicircular plate, the lower surface of the second clamping plate is attached to the upper surface of the outer portion of the steel pipe, and one end, far away from the third pin shaft, of the second clamping plate is clamped between the two groups of the supporting rods.

Preferably, a second through hole is formed in the middle inside the lower surface of the base, a screw is inserted into the second through hole, the fixing plate is in an inverted U shape, and the screw penetrates through the lower surface of the base and the upper surface of the fixing plate through the second through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. two groups of support rods are connected between the side walls of the two sides of the base in a pin mode through a first pin shaft, a first clamping plate is connected to one ends, away from the first pin shaft, of the two groups of support plates in a pin mode through a second pin shaft, one end, away from the first pin shaft, of the base is connected with a second clamping plate in a pin mode through a third pin shaft, elastic clamping strips are connected between the second clamping plates in a pin mode through third pin shafts, fixing grooves are formed in the side walls of the two sides of the base, steel pipes are placed in the fixing grooves, and the steel pipes are connected through the pin shafts and the elastic clamping strips in;

2. with second cardboard lower surface laminating steel pipe upper portion with two sets of branches vertical play, and keep away from third round pin axle one end joint between two sets of branches with the second cardboard, place first cardboard in second cardboard upper portion, and first cardboard position down surface laminating in the second cardboard upper surface between two parties, make first cardboard keep away from the concave part upper surface and the joint of elasticity card strip looks of second round pin axle one end, need not the bolt fastening, simple to operate is swift, and the buckle can the secondary use, the problem that the bolt corrosion brought has been solved.

Drawings

Fig. 1 is a schematic view of a self-locking buckle of the present invention;

fig. 2 is a schematic side view of the self-locking buckle of the present invention;

fig. 3 is a schematic view of a top-down structure of the self-locking buckle of the present invention.

In the figure: 1. a base; 2. a first through hole; 3. a first pin shaft; 4. a strut; 5. a connecting pipe; 6. a second pin shaft; 7. a first clamping plate; 8. a third pin shaft; 9. a second clamping plate; 10. an elastic clamping strip; 11. fixing grooves; 12. a steel pipe; 13. a second through hole; 14. a screw; 15. a fixing plate; 16. and (7) fixing holes.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a self-locking buckle comprises a base 1, wherein the upper part of the side wall of one end of the base 1 is provided with first through holes 2 for inserting first pin shafts 3, the base 1 is arranged in a U shape, the first through holes 2 are arranged in two groups, the two groups of first through holes 2 are symmetrically arranged inside the side wall of one end of the base 1, the first pin shafts 3 penetrate through the side walls of two sides of the base 1 through the two groups of first through holes 2, the first pin shafts 3 are inserted inside the first through holes 2 and are used for connecting the base 1 and support rods 4, the outer part of the first pin shafts 3 is positioned between the side walls of two sides of the base 1 and is rotatably connected with the support rods 4 for clamping one end of a second clamping plate 9 away from a third pin shaft 8, the support rods 4 are arranged in two groups, the two groups of support rods 4 are symmetrically and fixedly connected with two ends of a connecting pipe 5, the two groups of support rods 4, avoid two sets of branches 4 to rock like the centre, branch 4 is kept away from the inside rotation of 3 one ends of first round pin axle and is connected with second round pin axle 6 for connect branch 4 and first cardboard 7, second round pin axle 6 outside is located branch 4 one side and rotates and be connected with first cardboard 7, is used for pushing down second cardboard 9, makes the laminating of second cardboard 9 locking steel pipe 12.

A lower concave part is arranged at one end of the first clamping plate 7 far away from the second pin shaft 6, a third pin shaft 8 is connected with one end of the base 1 far away from the first pin shaft 3 in a pin joint mode and is used for connecting the base 1 and the second clamping plate 9, the outer part of the third pin shaft 8 is positioned between the side walls at the two sides of the base 1 and is rotatably connected with the second clamping plate 9 and is used for locking the steel pipe 12, the second clamping plate 9 is arranged to be a semicircular plate and is used for being jointed with the surface of the steel pipe 12, the lower surface of the second clamping plate 9 is jointed with the upper surface of the outer part of the steel pipe 12, one end of the second clamping plate 9 far away from the third pin shaft 8 is clamped between the two groups of supporting rods 4, an elastic clamping strip 10 is rotatably connected with one side of the second clamping plate 9 and is used for clamping and pressing the first clamping plate 7, the elastic clamping strip 10 is S-shaped and, be convenient for base 1 to install in other positions, fixed orifices 16 have been seted up inside the fixed plate 15 lateral wall, be used for fixed plate 15 fixed, second through-hole 13 has been seted up to the inside position placed in the middle of base 1 lower surface, be used for the fixed of screw 14, second through-hole 13 is inside to be pegged graft there is screw 14, be used for base 1's fixed mounting, fixed plate 15 sets up to the shape of falling the U, screw 14 runs through base 1 lower surface and fixed plate 15 upper surface through second through-hole 13, fixed slot 11 has been seted up inside the base 1 both sides lateral wall, be used for placing steel pipe 12, fixed slot 11 sets up to semi-.

The working principle is as follows: when in use, the screw 14 penetrates through the base 1 through the second through hole 13, the steel pipe 12 is placed in the fixed groove 11, the second clamping plate 9 is taken up and attached to the upper surface of the steel pipe 12, then the first clamping plate 7 is taken up, the second pin shaft 6 is utilized to drive the two groups of supporting rods 4, one end of the second clamping plate 9, which is far away from the third pin shaft 8, is clamped between the two groups of supporting rods 4 after the two groups of supporting rods 4 are erected, meanwhile, the first clamping plate 7 is placed on the upper part of the second clamping plate 9, the middle position of the lower surface of the first clamping plate 7 is attached to the upper surface of the second clamping plate 9, then one end of the elastic clamping strip 10 far away from the third pin shaft 8 is clamped in the lower concave part of the first clamping plate 7, one end of the first clamping plate 7 is clamped through the elastic clamping strip 10 to press the second clamping plate 9, the second clamping plate 9 is attached to the steel pipe 12, the steel pipe 12 is locked between the second clamping plate 9 and the fixing groove 11, and the problem caused by bolt buckling is solved.

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. The utility model provides a from locking-type buckle, includes base (1), its characterized in that: a first through hole (2) is formed in the upper portion of the side wall of one end of the base (1), a first pin shaft (3) is inserted into the first through hole (2), a supporting rod (4) is rotatably connected between the side walls of the two sides of the base (1) outside the first pin shaft (3), one side of the supporting rod (4) is fixedly welded outside the first pin shaft (3) and is provided with a connecting pipe (5), a second pin shaft (6) is rotatably connected inside one end of the supporting rod (4) far away from the first pin shaft (3), a first clamping plate (7) is rotatably connected on one side of the supporting rod (4) outside the second pin shaft (6), a third pin shaft (8) is connected to one end of the base (1) far away from the first pin shaft (3) in a pin joint mode, a second clamping plate (9) is rotatably connected between the side walls of the base (1) outside the third pin shaft (8), and an elastic clamping strip (10) is rotatably connected on one, the outer lower fixed surface of base (1) welds has fixed plate (15), fixed orifices (16) have been seted up to fixed plate (15) lateral wall inside.

2. The self-locking buckle according to claim 1, wherein: the base (1) is set to be U-shaped, the first through holes (2) are set to be two groups, the first through holes (2) are symmetrically arranged inside the side walls of two sides of one end of the base (1), and the first pin shaft (3) penetrates through the side walls of two sides of the base (1) through the two groups of first through holes (2).

3. The self-locking buckle according to claim 2, wherein: fixed slot (11) have been seted up to base (1) both sides lateral wall inside, fixed slot (11) set up to semi-circular, steel pipe (12) have been placed in fixed slot (11) inside laminating.

4. The self-locking buckle according to claim 1, wherein: the supporting rods (4) are arranged into two groups, the two groups are symmetrically and fixedly connected to two ends of the connecting pipe (5), and the two groups are respectively connected to the two ends of the first pin shaft (3) in a rotating mode through the supporting rods (4).

5. The self-locking buckle according to claim 1, wherein: one end, far away from the second pin shaft (6), of the first clamping plate (7) is provided with a lower concave portion, the elastic clamping strips (10) are arranged to be S-shaped and bilaterally symmetrical, and one end, far away from the third pin shaft (8), of each elastic clamping strip (10) is attached and clamped inside the lower concave portion at one end of the first clamping plate (7).

6. The self-locking buckle according to claim 1, wherein: the second clamping plates (9) are semicircular plates, the lower surfaces of the second clamping plates (9) are attached to the outer upper surfaces of the steel pipes (12), and one ends, far away from the third pin shafts (8), of the second clamping plates (9) are clamped between the two groups of supporting rods (4).

7. The self-locking buckle according to claim 1, wherein: the middle position of the inner part of the lower surface of the base (1) is provided with a second through hole (13), a screw (14) is inserted into the second through hole (13), the fixing plate (15) is in an inverted U shape, and the screw (14) penetrates through the lower surface of the base (1) and the upper surface of the fixing plate (15) through the second through hole (13).