CN2856082Y

CN2856082Y - Bearded needle

Info

Publication number: CN2856082Y
Application number: CN 200520077909
Authority: CN
Inventors: 冯加林; 巫友群
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-28
Filing date: 2005-11-28
Publication date: 2007-01-10
Anticipated expiration: 2015-11-28

Abstract

The utility model relates to knitting machinery, in particular to a crochet hook for automatically raising needle. The crochet hook consists of a needle body and a needle core; the needle body is formed by embedding combination of front needle body and back needle body; and the needle core is hinged to the front needle body. Its beneficial effects are: (1) the ascending/descending amplitude of needle-raising plate is small, so downward drawing distance of thread is short, stretched length of needle-raising thread is normally not longer than 3 mm, therefore normal knitting thread can be completely used as needle-raising thread; (2) the needle body adopts combined front needle body and back needle body, the processing surface of each component can be accomplished via positioning and processing in one time, so as to guarantee processing precision, facilitate batch production, and lower production cost.

Description

A kind of crochet hook

Technical field

The utility model relates to weaving machinery, a kind of crochet hook that particularly automatic withdrawal of needle is used.

Background technology

Braiding flat-bed machine need be by lifting bar 1 when automatic withdrawal of needle.Lifting bar 1 places nozzle 2 downsides, sees also Fig. 1.Lifting bar is provided with some needle trays 3 and is used to put crochet hook 6, and the position of its crochet hook is corresponding with the knitting needle 5 on the both sides needle plate 4 with quantity.At present crochet hook 6 its versions of generally using as shown in Figure 2, it is made up of nook closing member 7 and needle body 8, nook closing member and needle body 8 are hinged on the O place, but and are the rotation of center of rotation cast-over body with the hinged place.

During withdrawal of needle, lifting bar 1 rises, and the upside of emersion nozzle 2 please contrasts Fig. 1 again, rises in the wire casing 9 of needlework 11 wedging needle bodies 8, sees also Fig. 3.At this moment, nook closing member afterbody 10 is subjected to the effect of lifting bar cam mechanism, produces the rotation of ordering around O, just in time will rise in the hook portion of needlework 11 wedging crochet hooks 7 upper ends, sees also Fig. 4.Lifting bar 1 falls after rise to the nozzle downside, because the interval S of the syringe needle 12 of needle body upper end and the hook portion 13 of nook closing member 7 upper ends is more generally greater than 5 millimeters, when so crochet hook is all reduced to the nozzle downside, its distance H that plays needlework 11 pulling downwards is longer, and the length of elongating is to be the double of above-mentioned spacing at least, promptly play needlework 11 and elongate minimum 10 millimeters downwards, see also Fig. 5.So the used needlework of braided fabric withdrawal of needle all are the Cowhells lines at present, this has increased user's production cost.

In addition, it adds the technology complexity needle structure of existing this crochet hook, sees also Fig. 6, and processing of wall of cell wall needs twice location on it, two facing cut pins, and processing location trouble, dimensional accuracy is difficult to guarantee that inconvenience is produced in enormous quantities, reduces cost.

Summary of the invention

Main purpose of the present utility model just is by the improvement to the crochet hook structure, has made the drop-down distance of needlework shorter, and common weaving thread just can be used as needlework, lowers the user and weaves cost.

One of the purpose of this utility model is that also the machined surface of each part on the needle body all can machine by one-time positioning, is easy to produce in batches, reduces production costs.

It is achieved through the following technical solutions:

Be made up of needle body and nook closing member, it is characterized in that described needle body is to be combined by interlocking by preceding needle body and back needle body, nook closing member is hinged on the preceding needle body.

The spacing (S) of its front end syringe needle of described needle body and its front end hook portion of described nook closing member: 0＜S≤2 millimeter.

Needle body and back needle body are respectively equipped with rectangular recess and rectangle projection before described on its faying face, in order to mutual interlocking.

Be respectively equipped with the groove that has only a side channel wall on the needle body of on the needle body and back before described, the wall of described cell wall is the face that can be processed into by one-time positioning.

The wall of described cell wall is made up of plane and local arc surface, and its arc surface is separately positioned on anterior and itself and the hinged corresponding position of nook closing member.

The wall of back the above cell wall of needle body is made up of plane and local arc surface, and its arc surface is arranged on the front portion.

The utility model has the advantages that: 1) structure of the present utility model lifting bar is risen and decline scope little, thereby the drop-down distance of needlework is shorter, plays needlework and elongates length and generally be no more than 3 millimeters, available fully common weaving thread is as playing the needlework use; 2) combining form of needle body and back needle body before needle body adopts, but make on its each part machined surface all one-time positioning machine, thereby guarantee machining accuracy, be easy to produce in batches, reduce production costs.

Description of drawings

Fig. 1 is a lifting bar ascensional range schematic diagram in the prior art

Fig. 2 is a crochet hook structure chart of the prior art

Fig. 3 has been the interior schematic diagram of wire casing that needlework enter needle body

Fig. 4 has been the schematic diagram in the hook portion of needlework wedging nook closing member upper end

Fig. 5 is the schematic diagram that lifting bar falls amplitude after rise in the prior art

Fig. 6 is the processing schematic diagram of needle body in the prior art

Fig. 7 is a structural representation of the present utility model

Fig. 8 is preceding needle structure schematic diagram

Fig. 9 is a back needle structure schematic diagram

Figure 10 is that the utility model crochet hook is with lifting bar ascensional range schematic diagram

Figure 11 is that the utility model crochet hook falls the amplitude schematic diagram after rise with lifting bar

Figure 12 is a preceding needle body processing schematic diagram in the utility model crochet hook

Figure 13 is a back needle body processing schematic diagram in the utility model crochet hook

Among the figure, the 1st, lifting bar, the 2nd, nozzle position, the 3rd, crochet hook groove, the 4th, needle plate, the 5th, knitting needle, the 6, the 20th, crochet hook, the 7, the 22nd, nook closing member, 8, the 21st, needle body, the 9th, wire casing, the 10th, the nook closing member afterbody, the 11st, play needlework, the 12nd, syringe needle, the 13rd, hook portion, the 23rd, preceding needle body, the 24th, back needle body, the 25th, rectangular recess, the 26th, rectangle projection, the 27th, cell wall wall, 28 milling cutters, 29 grooves.

The specific embodiment

Contrast Fig. 7, the utility model crochet hook 20 is made up of needle body 21 and nook closing member 22, wherein needle body 21 be by preceding needle body 23 and afterwards needle body 24 combine by interlocking.Be respectively equipped with rectangular recess 25 and rectangle projection 26 on the faying face that preceding needle body 23, back needle body 24 mutually combine in twos,, see also Fig. 8, Fig. 9 in order to mutual interlocking.The P point position of needle body 23 can be rotated around pin joint P before nook closing member 22 was hinged on by a rivet.

The syringe needle 12 of needle body 21 its front ends in the crochet hook 20 is very little with the interval S of the hook portion 13 of nook closing member 22 its front ends, S=1.3 millimeter in the present embodiment.The ascensional range of lifting bar 1 of therefore placing this crochet hook 20 is less, just can make in the hook portion 13 of needlework wedging nook closing member 22 its front ends, sees also Figure 10.Lifting bar 1 falls after rise, and it is equally also very little to make its crochet hook 20 sink to the falling amplitude of nozzle 2 downsides fully.Therefore the distance H that plays needlework 11 pulling downwards is shorter, sees also Figure 11.It is shorter to play the length that needlework 11 are elongated, and only elongates 2.6 millimeters as calculating by twice, and common like this weaving thread all can be used as needlework, can save the Cowhells line that a large amount of withdrawals of needle are used, for the user has saved production cost.

Though needle body 23 and back needle body 24 was split type before needle body 21 was made, both connections and installation are all very convenient, put into crochet hook groove 3 after both interlockings, make both connections tightr reliable, please contrast Fig. 7 again.

The separate form of needle body 23 and back needle body 24 before needle body 21 is made, its main purpose are to make that the location processing of needle body 20 is simple, convenient, and machining accuracy wants high relatively.The even groove 29 that has only a side channel wall that is provided with on preceding needle body 23 and the back needle body 24, both rabbet the groove that the back formation has the two side, place nook closing member 7 in the groove.The cell wall wall 27 of preceding needle body and back needle body is by plane and local arc surface composition, and its circular arc face is pairing to be hinged turned position of nook closing member and needle body and nook closing member front end pinhock portion turned position.Cell wall wall 27 on preceding needle body 23 and the back needle body 24 all can mill pin by one-time positioning and machine, see also Figure 12,13, wherein pin processing machine direction is milled in the arrow representative, the one-time positioning clamping, simplify one processing technology, do not have the location accumulated error, dimensional accuracy is higher, be convenient to produce in enormous quantities, reduce manufacturing cost.

Claims

1, a kind of crochet hook is made up of needle body and nook closing member, it is characterized in that described needle body is to be combined by interlocking by preceding needle body and back needle body, and nook closing member is hinged on the preceding needle body.

2, a kind of crochet hook according to claim 1 is characterized in that the spacing (S) of its front end syringe needle of described needle body and its front end hook portion of described nook closing member: 0＜S≤2 millimeter.

3, a kind of crochet hook according to claim 2 is characterized in that described preceding needle body and back needle body are respectively equipped with rectangular recess and rectangle projection on its faying face, in order to mutual interlocking.

4, a kind of crochet hook according to claim 3 is characterized in that being respectively equipped with the groove that has only a side channel wall on the needle body of on the needle body and back before described, and the wall of described cell wall is the face that can be processed into by one-time positioning.

5, a kind of crochet hook according to claim 4, the wall of the above cell wall of needle body is made up of plane and local arc surface before it is characterized in that, and its arc surface is separately positioned on anterior and itself and the hinged corresponding position of nook closing member.

6, a kind of crochet hook according to claim 3 is characterized in that the wall of back the above cell wall of needle body is made up of plane and local arc surface, and its arc surface is arranged on the front portion.