CN2123647U

CN2123647U - Quick assemble-disassemble combined and adjustable nut

Info

Publication number: CN2123647U
Application number: CN 92212762
Authority: CN
Inventors: 叶中午; 史玲
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-30
Filing date: 1992-04-30
Publication date: 1992-12-02

Abstract

The utility model relates to a quick assemble-disassemble combined and adjustable nut. The combined nut comprises two nuts a, b which are provided with screw holes with the insufficient circumference. The upper part of the part A and the lower part of the part B are each provided with shoulders and grooves and make shoulders of each of parts A, B embedded into grooves of each of parts A, B to splice into an integrated type combined nut. The other adjustable nut system comprises a nut which screws on a screw rod providing with through holes with the insufficient circumference. The utility model also has redesigned models. The utility model matches with the screw bolt with the insufficient circumference to be used. When the nut and the screw bolt are screwed tightly, the reserve part of screw threads is fully inosculated all the time. When the utility model is assembled and disassembled, the parts fast approach and leave linearly and a circuit of the wind is screwed to screw or disentangle. So the utility model is reliable in connection and fast in assembly and disassembly.

Description

Quick assemble-disassemble combined and adjustable nut

The utility model is the general fast threaded pieces of class installation and removal.

Existing nut is from screwing in screw rod up to it is tightened, and generally all time-consuming length has so just influenced installation (dismounting) efficient, and is especially for the place of often installing and removing, just more remarkable to the influence of efficient.As belong to a class spiral fastening device of machine tool fixture, and its versatility is big, uses very extensively, and because its clamping and unclamp slowlyer, auxiliary time is longer, has just had a strong impact on its working efficiency.In order to solve such problem, existing infull spiral (line) structure of a kind of circumference is applied in the special quick spiral fastening device.From Fig. 2, Fig. 3 is visible, and he is with in two conjunction, outside thread all correspondingly cuts a part along circumference, and keep a part of, its m and n all represent the reserve part branch partly, scope is 88 °, half scope of all the other each cut-away branches is 92 °, during use the reserve part of one of its conjunction screw thread is aimed at the part that cuts of another conjunction screw thread, can reach the purpose of quick pine folder, but he has a deficiency, if slightly not for the moment with its compression face height of a collection of processed piece, then wherein some processed piece clamped after, rise clamping action in, can only partly coincide between outside thread m and the n, this will cause cutting of worm tooth intensity slightly to reduce bearing capacity, and its self-locking property is descended, and will be easily accidents caused.Certainly can make by the height of adjusting its pillar one by one in anchor clamps between m and the n and just in time all coincide, this has had a strong impact on working efficiency again.Moreover when clamping the bigger workpiece of elasticity, the reserve part that its nut thread may occur is screwed into the cut-away timesharing of screw flight, promptly revolve the phenomenon that excessive fashion does not clamp, and cause workpiece clamp not firm, the folder not maybe can't press from both sides, and also fragile its worm tooth, above-mentioned all, seriously limited the using scope of this worm structure.

The purpose of this utility model is to release a class new type nut, and when possessing the mounting or dismounting rapidity, it is reliable that it is connected, and highly versatile still can be made into thread standard spare.

The utility model comprises a kind of mounting or dismounting modular nut fast, this nut is made up of two thread parts of A, B, A spare all is two nut parts (being called for short garden Zhou Buquan nut) with garden Zhou Buquan screw with B spare, the top of A spare is provided with convex shoulder and groove, and the bottom of B spare is provided with convex shoulder and groove.In the groove with each self-embedding the other side of convex shoulder of A, two parts of B, with regard to the as a whole nut of amalgamation, it is modular nut, wherein the internal thread of A spare is along being divided into 4 parts garden week, two parts of one symmetry keep screw thread, two parts that its arc length of each reserve part all is not more than all the other another symmetries of 1/4th garden girths (being that scope is not more than 90 °) cut screw thread, and each cuts the part arc length and all is not less than 1/4 garden girth (scope is not less than 90 °); The internal thread of B spare also is divided into 4 parts, its reservation and cut the part setting also with A spare with: only work as A, two of B piece together the B spare that is in the top after the integral body and its screw thread reserve part of A spare that is in the below and stagger mutually, be A spare screw thread the corresponding B spare of reserve part cut part, otherwise, the reserve part that cuts the corresponding B spare of part of A spare screw thread, it also comprises by 1 or 2 existing nut part and is spun on a kind of axial hole that has, its shape of through holes or be the screw of garden Zhou Buquan, or the adjustable fast nut of being formed on the screw rod for the no tapped through hole of garden Zhou Buquan (being the slotted eye that hole wall has groove) of mounting or dismounting, this garden week not Full Thread FT (or not having screw thread) through hole cut in garden week the part identical with being provided with of reserve part with above-mentioned A spare or B spare, only garden week does not have screw thread accordingly completely without its hole wall of reserve part of tapped through hole (slotted eye), the utility model should with the supporting use of garden Zhou Buquan screw rod (or adding garden Zhou Buquan nut part).It can overcome the deficiency of prior art, and reaches fast assembling and disassembling, connects reliably highly versatile; And can be made into standard piece uses.

Be embodiment of the present utility model below.

Fig. 1, Fig. 2 represent the nut of a kind of garden Zhou Buquan jointly, and wherein Fig. 1 is the sectional view (main looking) along Fig. 2 A-A line, and Fig. 2 is a plan view.

Fig. 3, Fig. 4 represent the screw rod of a kind of garden Zhou Buquan jointly, and wherein Fig. 3 is a plan view, and Fig. 4 is a left view.

The A spare of Fig. 5,6,7 common expression the utility model modular nuts, wherein Fig. 5 is the half sectional view (main looking) along Fig. 7 A-A line, and Fig. 6 is a left view, and Fig. 7 is a plan view.

Fig. 8,9,10, the 11 common expression B spares of the modular nut, wherein Fig. 8 is a worm's eye view, and Fig. 9 is that Figure 10 is along the half sectional view of Figure 11 A-B line (left side is looked) along the half sectional view of Figure 11 A-A line (main looking), and Figure 11 is a plan view.

Figure 12 is a kind of variation of the adjustable nut of the utility model, is longitudinal sectional view.Figure 13, Figure 14 represent a kind of adjustable nut jointly, and wherein Figure 13 is the whole-cutaway view (main looking) along Figure 14 A-A line, and Figure 14 is a plan view.

Figure 15, Figure 16 represent a kind of improvement of the adjustable nut of the utility model jointly, and wherein Figure 15 is the whole-cutaway view (main looking) along Figure 16 A-A line, and Figure 16 is a plan view.

Figure 17, Figure 18 represent that jointly the another kind of adjustable nut improves, and wherein Figure 17 is the whole-cutaway view (main looking) along Figure 18 A-A line, and Figure 18 is a plan view.

Fig. 1, the garden Zhou Buquan nut of the common expression of Fig. 2, its m is the screw thread reserve part, scope is generally 88 °, it is 92 ° that corresponding its cuts the part scope, Fig. 3, Fig. 4 represents the screw rod of garden Zhou Buquan jointly, n is that the reserve part scope generally also is 88 °, it cuts the part scope is 92 °, this screw rod is the utility model embodiment's the supporting appliance that makes, and the adjustable nut of above-mentioned nut and present embodiment also can supportingly use, Fig. 5,6, the A spare of the utility model modular nut of 7 common expressions, his internal thread is a garden week Full Thread FT structure not, half scope of its reserve part branch is 88 °, and half scope of cut-away branch is 92 °, and a groove and a convex shoulder that is broken in two by its screw arranged at its top.The B spare of the modular nut of Fig. 8,9,10,11 common expressions, his internal thread also is the worm structure of garden Zhou Buquan, half scope of its reserve part branch also is 88 °, half scope of cut-away branch is 92 °, one groove and the convex shoulder that is broken in two by its screw also arranged at its top (also can claim the bottom because of be inverted using).Two parts of A, B are embedded convex shoulder separately respectively in the other side's the groove by direction shown in its stain, it is the as a whole nut of capable assembling, among its shape figure is hexagon nut, also the knurled nut waits other shapes, for this modular nut after guaranteeing amalgamation has the function of a complete nut, its processing technology preferably allows goes drilling and tapping after its amalgamation again.The part that cuts of earlier reserve part of A spare screw thread being aimed at its conjunction screw flight during use, be lowered into slightly from coupled surface, available then hand dextrorotation (is tightened title dextrorotation, unscrew and claim derotation) may not tighten as yet 90 ° of this moments, and then with B spare by the stain direction indication along after screw rod is lowered into two chimeric as a whole nuts of A, B, with spanner this modular nut is tightened again and is got final product.This rundown process is generally being revolved within the circle, thereby quick for installation, and can allow the screw flight reserve part all coincide with its nut thread all the time in rundown process, and the unlikely slightly intensity of worm tooth of cutting.When clamping the elasticity parts, do not tighten as yet even revolve within the circle, when continuing to screw in again, can not take place yet because of revolve the excessive folder that produces not the phenomenon that maybe can't press from both sides, also unlikely damaged screw tooth.During dismounting,, take out earlier the B spare that is in the top as long as with within this integral nut derotation half cycle, continue 90 ° of derotations again after, can take out A spare, so its dismounting is also very quick.

Figure 13,14 common expressions a kind of can with garden Zhou Buquan screw rod and the matching used adjustable nut of nut, its composition comprise one have garden week not holoaxial to through hole (promptly therein on the hole wall in hole, heart garden half scope that has its of 2 grooves reserve part branchs of symmetry be that 88 ° of cut-away divide partly that (i.e. 1 groove) scope is 92 °) in garden week, screw rod (1), this hole is similar with garden Zhou Buquan screw shape, garden Zhou Buquan screw rod is therefrom passed, and don't it is undue loosening, worm tooth on this screw rod is generally V thread screw, also other screw threads; Also have a nut part (2) that is spun on the screw rod (1), this figure of nut part (2) be a hexagon nut, the also nut part such as the knurled nut of other shapes, or be with handle nut etc.Earlier its supporting screw flight reserve part of this adjustable nut inner hole trough aligned is put down during use, again its supporting nut is lowered into the adjustable nut of Lve Gaoben place, but this supporting nut of hand-screw is 90 ° then, this fashion is not tightened, after more adjustable nut screwing clamping is got final product, generally can within one week of dextrorotation, can tighten, when dismantling, only need should unscrew by adjustable nut earlier, but then take out after 90 ° of its supporting nut counter-rotatings of hand-screw then, adjustable nut is taken out get final product again.From as can be known above-mentioned, this adjustable nut and its supporting nut to the other end, are the straight line motion that is toward or away from fast from screw rod one end motion when mounting or dismounting, and just or the scope in one week of derotation less than can or unscrew thereby fast assembling and disassembling with nut screwing clamping.And owing to used this adjustable nut, after just can guaranteeing that nut is tightened at an arbitrary position, its garden week not the reserve part of two conjunction screw threads of Full Thread FT structure just in time all coincide, and reason is not coincide bad and is weakened the intensity of its worm tooth, reduces operational safety.Also owing to used this adjustable nut, make its supporting garden Zhou Buquan nut go into screw rod with hand-screw, thereby this garden week not the Full Thread FT structure can adopt fine thread to strengthen its intensity and self-locking property, more supporting garden week of the screw thread nominal diameter of this adjustable nut, the nominal diameter of Full Thread FT spare was not big, thereby also can adopt fine thread.Moreover on a sidewall of the nut part (2) of this adjustable nut, laterally be provided with a tapped through hole, this hole has screwed in Cock screw (3), when making it be used on the machine tool fixture, if all for the moment with batch caught workpiece compression face height, after can once adjustable nut height being harmonized, tighten screw (3) again, after garden matching used with it Zhou Buquan nut part is tightened in the time of can guaranteeing repeatedly to use afterwards, its screw thread reserve part and its conjunction screw flight reserve part just in time all coincide, and do not influence its mechanical property.

Figure 12 is a kind of distortion of above-mentioned adjustable nut, it and above-mentioned adjustable nut change part and only are that the center tapped through hole with above-mentioned nut part (2) is deformed into the shoulder hole of part shown in Figure 12 (2) (nut part that following each modified model is spun on its screw rod all can be done this distortion), its screw rod (1) shape its objective is for the ease of the spring washer supporting use less with diameter with above-mentioned screw rod (1).

Figure 15, the common expression of Figure 16 is to a kind of improvement of adjustable nut, wherein (1) is the screw rod that a center has garden Zhou Buquan screw, the hole of this hole shape and modular nut A spare or B spare together, screw rod (1) head is a hexagon, also can be made into other shapes, as annular knurl shape or band handle shape etc., wherein (2) are a hexagon nut part, this nut part (2) also can be made into other shapes such as knurled nut or band handle nut, it is the cost modified model that nut part (2) is screwed in screw rod (1), should be lowered into slightly from coupled surface along its supporting screw rod by adjustable nut during use, with hand with 90 ° of (1) dextrorotations after, get final product with fastening nut spares such as spanner (2) again.

Figure 17, the another kind of follow-on adjustable nut of 18 common expressions, its (1) is a nut part with garden Zhou Buquan screw (its profile can be hexagon or annular knurl type or band handle shape etc.), its screw shape is also same with the hole of modular nut A spare or B spare, its (4) be one have garden week not holoaxial to the screw rod of through hole, the hole of the screw rod (1) of the adjustable nut of this hole shape and Figure 13,14 common expressions together, its (3) are the female part of a hexagon nut, also can be made into other shapes such as knurled nut or band handle nut.Nut part (3) is to screw on the screw rod (4); One circle groove is arranged on the upper outside wall of screw rod (4), one circle groove is also arranged on the lower end intracavity sidewall of nut part (1), they connect into one movingly by the steel wire snap ring (2) that embeds groove, and adjustable nut is identical shown in same Figure 15 of its usage, 16.

Claims

1, a kind of mounting or dismounting with garden Zhou Buquan female thread structure modular nut fast, it is characterised in that this modular nut is made up of two thread parts of A, B, A spare all is nut parts of two garden Zhou Buquan with B spare, the top of A spare and the bottom of B spare are provided with convex shoulder and groove fully, with in each self-embedding the other side's of convex shoulder of A, two parts of B the groove with regard to the as a whole nut of capable assembling; A spare all is along being divided into 4 parts garden week with the internal thread of B spare, two parts of one symmetry keep screw thread, it is that scope is not more than 90 ° that the arc length of each reserve part branch all is not more than 1/4th garden girths, two parts of all the other another symmetries cut screw thread, it is that scope is no less than 90 ° that the arc length of each cut-away branch all is not less than 1/4th garden girths, in the integral nut that pieces together, the corresponding the other side's of two parts of A, B screw thread reserve part separately screw thread cuts part.

2, modular nut according to claim 1, the bottom that it is characterised in that the top of part A of this modular nut and part B respectively are provided with a convex shoulder and a groove that is broken in two by its screw.

3, modular nut according to claim 1 and 2, it is characterised in that each reserve part scope of its internal thread is 88 °, each cuts the part scope is 92 °; It is shaped as hexagon nut or knurled nut.

4, a kind of have a garden week adjustable fast nut of mounting or dismounting in all-pass hole not, it be characterised in that this adjustable nut by one have garden week not holoaxial formed to the screw rod of through hole and the nut part that is spun on this screw rod; Its garden week not the shape in all-pass hole be 4 parts that are divided in garden week with this hole, two parts of one symmetry keep garden week, it is that scope is not more than 90 ° that the arc length of each part is not more than 1/4th garden girths, two parts of all the other another symmetries cut garden week, and it is that scope is not less than 90 ° that the arc length of each cut-away branch is not less than 1/4th garden girths.

5, adjustable nut according to claim 4, it is characterized in that being spun on the sidewall of the nut part on its screw rod and laterally be provided with a tapped through hole and screw in a Cock screw, the garden week on its screw rod not holoaxial to through hole be one its in garden week reserve part hole wall on threadless garden week not completely without tapped through hole.

6, adjustable nut according to claim 4, it is characterized in that on its screw rod garden week not holoaxial be a garden Zhou Buquan screw to through hole, its garden week reserve part is the screw thread reserve part, cuts part garden week and is screw thread and cuts part.

7, adjustable nut according to claim 4, it is characterized in that it comprises that also one has the nut part of garden Zhou Buquan screw, the garden week of the screw thread reserve part of the garden Zhou Buquan screw of this nut part and the screw rod of the setting and this adjustable nut that cut part not holoaxial to the garden week of through hole reserve part with cut partly be provided with identical; And the garden week on its screw rod not holoaxial to through hole be one on the hole wall of its garden week reserve part threadless garden week not completely without tapped through hole, also has a circle groove on the lower end intracavity sidewall of this garden Zhou Buquan nut part, and a circle groove also arranged on the outer side surface on its screw rod, their steel wire snap rings by embedding groove are to be connected as a single entity movingly.

8,, it is characterized in that the center screw that is spun on the nut part on its screw rod can be a shoulder hole according to claim 4,5 or 6 or 7 described adjustable nuts.

9, according to claim 4,5 or 6 or 7 described adjustable nuts, it is characterized in that its garden Zhou Buquan screw or garden week not completely without tapped through hole each garden week the reserve part branch scope be 88 °, the scope of cut-away branch is 92 °.