CN209146104U - A kind of adjustment bolt of replaceable screw rod - Google Patents

Abstract

The utility model discloses a kind of adjustment bolts of replaceable screw rod, it is made of screw head and screw rod, the screw rod is fitted and fixed in screw head, the screw head includes locking screw head and chimeric screw head, the locking screw head is screw-threaded coupling with chimeric screw head, the chimeric end of the screw rod is equipped with screw rod and is connected disk, the both ends of the screw rod linking disk are equipped with limit buckle, the chimeric screw head is equipped with fastening spiro loop, screw rod through hole is equipped with inside the fastening spiro loop, screw rod through hole both ends are equipped with buckle, and the locking screw head is equipped with locking screw holes.Pass through the design of screw head and screw rod embedded structure, to change the limitation problem that the bolt of traditional integral structure causes integral replacing in damage, it is embedded structure by screw rod and screw head, when screw head or screw rod are damaged, the case where screw head or screw rod targetedly being replaced, cause resource so as to avoid integral replacing.

Description

A kind of adjustment bolt of replaceable screw rod

Technical field

The utility model relates to screw device technical field, specially a kind of adjustment bolt of replaceable screw rod.

Background technique

Bolt belongs to machine components, the as cylindrical threaded fastener of adapted nut.It (is had by head and screw rod Externally threaded cylindrical body) a kind of fastener dimerous, it need to cooperate with nut, have through-hole for being fastenedly connected two Part.

Bolt on the market is made of screw head and screw rod two parts at present, while screw head and screw rod are mostly integrated molding knot Structure needs integrally to replace bolt, the replacement for not broken parts when screw head or screw rod are damaged, inevitable It results in waste of resources.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of adjustment bolt of replaceable screw rod, solves It when screw head or screw rod damage, needs integrally to replace bolt, the replacement for not broken parts, causes resource unrestrained The problem of taking.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of tune of replaceable screw rod Whole bolt, is made of screw head and screw rod, and the screw rod is fitted and fixed in screw head, and the screw head includes locking screw head and chimeric spiral shell Head, the locking screw head are screw-threaded coupling with chimeric screw head, and the chimeric end of the screw rod is equipped with screw rod and is connected disk, the screw rod rank The both ends for connecing disk are equipped with limit buckle, and the chimeric screw head is equipped with fastening spiro loop, runs through inside the fastening spiro loop equipped with screw rod Hole, screw rod through hole both ends are equipped with buckle, and the locking screw head is equipped with locking screw holes.

Preferably, the locking screw holes hole wall is equipped with screw thread, the screw thread on the locking screw holes hole wall and chimeric screw head On fastening spiro loop screw thread structure matching one.

Preferably, the screw rod linking disk is integrated molding structure, screw thread and lock on the screw rod body of rod with screw rod The screw-threaded coupling direction of tight bung flange is identical.

Preferably, there are two the buckle at screw rod through hole both ends is all provided with, limiting slot is equipped between the buckle, it is described Limiting slot and the limit buckle embedded structure at screw rod linking disk both ends and nested position are corresponding consistent.

Preferably, the hole body diameter of the screw rod through hole is identical as the diameter of the screw rod body of rod, and the screw rod is connected disk disk Body diameter is identical as screw rod shank diameter.

(3) beneficial effect

The utility model provides a kind of adjustment bolt of replaceable screw rod.Have it is following the utility model has the advantages that

By the design of screw head and screw rod embedded structure, so that the bolt for changing traditional integral structure is made in damage The limitation problem of integral replacement is embedded structure by screw rod and screw head, can be to screw head or spiral shell when screw head or screw rod are damaged The case where bar is targetedly replaced, and causes resource so as to avoid integral replacing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model overall appearance；

Fig. 2 is the utility model screw-rod structure schematic diagram；

Fig. 3 is that the utility model is fitted into screw head structural schematic diagram；

Fig. 4 is the utility model locking screw header structure schematic diagram.

In figure, screw head -1, screw rod -2, screw rod linking disk -3, limit buckle -4, locking screw head -5, chimeric screw head -6, locking screw Circle -7, screw rod through hole -8, buckle -9, locking screw holes -10.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model embodiment provides a kind of technical solution: a kind of adjustment spiral shell of replaceable screw rod Bolt is made of screw head 1 and screw rod 2, and the screw rod 2 is fitted and fixed in screw head 1, and the screw head 1 includes locking screw head 5 and is fitted into Screw head 6, the locking screw head 5 are screw-threaded coupling with chimeric screw head 6, and the chimeric end of the screw rod 2 is equipped with screw rod and is connected disk 3, institute The both ends for stating screw rod linking disk 3 are equipped with limit buckle 4, and the chimeric screw head 6 is equipped with fastening spiro loop 7, inside the fastening spiro loop 7 Equipped with screw rod through hole 8,8 both ends of screw rod through hole are equipped with buckle 9, and the locking screw head 5 is equipped with locking screw holes 10.

10 hole wall of locking screw holes is equipped with screw thread, the screw thread on 10 hole wall of locking screw holes in chimeric screw head 6 Fastening spiro loop 7 screw thread structure matching it is consistent.Be fitted into consistent locking screw holes and fastening spiro loop, it is ensured that locking screw head and Chimeric screw head can lock connection.

The screw rod linking disk 3 is integrated molding structure, screw thread and locking screw on 2 body of rod of screw rod with screw rod 2 The screw-threaded coupling direction of circle 7 is identical.The screw rod linking disk and screw rod of integral structure, it is ensured that stability after screw rod is chimeric and Fastness, the screw rod and fastening spiro loop in identical locking direction when avoiding screw rod locking, cause to release locking screw head and chimeric spiral shell The phenomenon that head locking.

There are two the buckle 9 at 8 both ends of screw rod through hole is all provided with, limiting slot, the limit are equipped between the buckle 9 Slot and 4 embedded structure of limit buckle at screw rod linking 3 both ends of disk and nested position are corresponding consistent.It is embedding with limit buckle by limiting slot It closes, screw rod is fitted and fixed in being fitted into screw head, when avoiding screw rod locking, the phenomenon that shaking.

The hole body diameter of the screw rod through hole 8 is identical as the diameter of 2 body of rod of screw rod, and the screw rod is connected 3 tray body direct of disk Diameter is identical as 2 shank diameter of screw rod.Screw rod through hole, the body of rod and the screw rod of same diameter are connected disk, ensure that structural integrity, Ensure that fastness and stability after screw rod is chimeric.

Working principle: when bolt damages, screw head 5 will be locked first and chimeric screw head 6 releases screw-threaded coupling, will be locked Tight screw head 5 is removed, then screw rod 2 is removed from the buckle 9 and screw rod through hole 8 in chimeric screw head 6, is occurred if it is screw rod 2 New screw rod 2 need to be only embedded in again by damage out of screw rod through hole 8 in chimeric screw head 6, and screw rod is connected 3 both ends of disk Limit buckle 4 be embedded in buckle 9 on, finally will lock screw head 5 on locking screw holes 10 and the fastening spiro loop 7 in chimeric screw head 6 The replacement to screw rod 2 can be completed in screw-threaded coupling, damages if it is screw head 1, the locking screw head 5 that directly can more renew and embedding Close screw head 6.

The screw head 1 of the utility model, screw rod 2, screw rod are connected disk 3, and limit buckle 4 locks screw head 5, are fitted into screw head 6, locking Bung flange 7, screw rod through hole 8, buckle 9, locking screw holes 10, component are universal standard part or portion as known to those skilled in the art Part, structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method, this reality Solve the problems, such as it is to need integrally to replace bolt, for not damaging when screw head or screw rod are damaged with novel Partial replacement, the problem of resulting in waste of resources, the utility model passes through the design of 2 embedded structure of screw head 1 and screw rod, to change The bolt for having become traditional integral structure causes the limitation problem of integral replacing in damage, is tied by screw rod 2 with screw head 1 to be chimeric Structure can targetedly replace screw head 1 or screw rod 2 when screw head or screw rod are damaged, be made so as to avoid integral replacing The case where at resource.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of adjustment bolt of replaceable screw rod, it is characterised in that: be made of screw head (1) and screw rod (2), the screw rod (2) Be fitted and fixed on screw head (1), the screw head (1) includes locking screw head (5) and chimeric screw head (6), the locking screw head (5) and Chimeric screw head (6) are screw-threaded coupling, and the chimeric end of the screw rod (2) is equipped with screw rod linking disk (3), and the screw rod is connected disk (3) Both ends be equipped with limit buckle (4), the chimeric screw head (6) is equipped with fastening spiro loop (7), is equipped with inside the fastening spiro loop (7) Screw rod through hole (8), screw rod through hole (8) both ends are equipped with buckle (9), and the locking screw head (5) is equipped with locking screw holes (10).

2. a kind of adjustment bolt of replaceable screw rod according to claim 1, it is characterised in that: the locking screw holes (10) Hole wall is equipped with screw thread, the screw thread on locking screw holes (10) hole wall and the screw thread of the fastening spiro loop (7) on chimeric screw head (6) Structure matching it is consistent.

3. a kind of adjustment bolt of replaceable screw rod according to claim 1, it is characterised in that: the screw rod is connected disk It (3) is integrated molding structure with screw rod (2), the screw-threaded coupling side of screw thread and fastening spiro loop (7) on screw rod (2) body of rod To identical.

4. a kind of adjustment bolt of replaceable screw rod according to claim 1, it is characterised in that: the screw rod through hole (8) there are two the buckle (9) at both ends is all provided with, limiting slot is equipped between the buckle (9), the limiting slot is connected disk with screw rod (3) limit buckle (4) embedded structure at both ends corresponds to consistent with nested position.

5. a kind of adjustment bolt of replaceable screw rod according to claim 1, it is characterised in that: the screw rod through hole (8) hole body diameter is identical as the diameter of screw rod (2) body of rod, and screw rod linking disk (3) the disk body diameter and screw rod (2) body of rod are straight Diameter is identical.