CN205780187U

CN205780187U - Inserts

Info

Publication number: CN205780187U
Application number: CN201620478974.5U
Authority: CN
Inventors: 顾幸宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-24
Filing date: 2016-05-24
Publication date: 2016-12-07
Anticipated expiration: 2026-05-24

Abstract

A kind of inserts, including hollow cylinder inlay, in the middle part of inlay, radial outside is provided with stop block；The inlay being positioned at stop block side is provided with fixed part, and fixed part includes that hex nut and radial outside are provided with externally threaded cylindrical column jecket, and nut is arranged between stop block with column jecket and is connected with both, and nut is one-body molded with inlay；Being positioned at the inlay rib away from an axial end of fixed part, rib is provided with six grooves being uniformly distributed and have two sides, and the centrage between side points to the longitudinal center line of inlay；Two snap rings being provided with equally distributed enhancing block on inlay between stop block and rib, the spacing in the solstics of its enhancing block to the longitudinal center line of inlay is equal to the external diameter of rib.This utility model, by arranging the structures such as inlay, stop block, rib, fixed part, enhancing block, increases inserts fixed part and plastic contacts area, solves the defect that the ability of the antagonism extraction of existing inserts and antagonism radial rotating is poor.

Description

Inserts

Technical field

This utility model relates to plastic fittings field, particularly to a kind of inserts.

Background technology

At present, the main purposes of inserts is to be moulded in by product in some working of plasticss, can be in working of plastics shape after installation Become an effective female thread.Its operating type is will to be embedded into after product heating inside working of plastics or directly use mould note Mould.Existing inserts has frequently with the pyrite having preferable heat conductivity, copper insert is pressed into after heating plastic substrate and can make product Work efficiency is accelerated in the rapid heating of product, and heat can also be conducted to working of plastics by copper insert after heating rapidly, so that moulding Material hole periphery deliquescing, thus quickly by product press-in hole.If employing mold injection, inserts by heat be molded after working of plastics by There is embossed technology in product external diameter, after shaping and the certain friction of product formation and stinging and power, can be allowed to be fixed on the inside It is allowed to come off.

Its radially protruding part of existing inserts is excessive, or radially protruding part less but with non-projecting portion subdivided gap mistake Little, when radially protruding part is excessive, (that is, when in the axial direction connection inserting part being pressed into plasticizing plastic during embedding plastics Time middle), radially protruding part promotes the plasticizing plastic before it, and more plastics are extruded into inserts end, owing to moulding Expect to cool down and also have during inserting connection inserting part poor flow behavior, after plastics cooling, this means that connection inserting part only has There is the relatively low axial precaution that antagonism is extracted out.When radially protruding part is less but too small with non-projecting portion subdivided gap, outside with footpath Remaining surface of side is contrasted, and the stayed surface that these radially protruding parts are formed is formed less so that plasticizing plastic The surface tension high due to it and total reflux cannot occur, the plastics after plasticizing fail to fill in time to radially protruding part relatively Little but with the gap of non-protruding part, inserts is less with the adhesive segment area of plastics, it is relatively low that inserts has that antagonism extracts out Axially precaution, and the ability of antagonism radial rotating is poor.

Utility model content

The purpose of this utility model is to provide a kind of inserts, solves existing inserts and resists axially withdrawn and antagonism radial direction turn The defect that dynamic ability is poor.

For solving the problems referred to above, this utility model provides a kind of inserts, including hollow cylinder inlay, in described inlay Portion's radial outside is provided with stop block；The radial outside of the inlay being positioned at stop block side is provided with fixed part, and described fixed part includes Hex nut and radial outside are provided with externally threaded cylindrical column jecket, and described nut is arranged between stop block and column jecket, And be connected with both, described nut is one-body molded with inlay；It is positioned at the inlay rib away from an axial end of fixed part, strengthens Portion is provided with six equally distributed grooves with parallel two side, arbitrary to the centrage sensing between parallel side The longitudinal center line of inlay；Two snap rings on inlay radial outside between stop block and rib, on described snap ring Being provided with several equally distributed enhancing blocks, the spacing in the solstics of its enhancing block to the longitudinal center line of inlay is equal to strengthening The external diameter in portion.This utility model by arranging the structures such as inlay, stop block, fixed part, enhancing block, arrange six equally distributed Have after the groove of parallel two side makes partly plastic be pushed out and enter groove, enhance the energy of antagonism radial rotating Power, arranges groove simultaneously and increases the fixed part of inserts and the contact area of plastics, improve the ability that antagonism is axially withdrawn, arrange Several equally distributed enhancing blocks on snap ring and snap ring, it strengthens the solstics spacing to the longitudinal center line of inlay of block External diameter equal to rib, it is to avoid inserts its radially protruding part is excessive, or radially protruding part is less but and non-projecting portion The problem that subdivided gap is too small, makes partly plastic extrude on front side of snap ring simultaneously, treats that plastics cooling is fixing, effectively improves antagonism Axially withdrawn ability；Fixed part is set and includes that hex nut and radial outside are provided with externally threaded cylindrical column jecket, just In using instrument hold-doun nut, conveniently unclamp inserts and other accessories so that the assembling of inserts is easier.

Optionally, described external screw thread is extended to nut by column jecket axial end portion.

Optionally, described stop block deviates from the side of fixed part and has annular slot.

Optionally, having expansion groove in the middle part of described groove, described expansion groove internal diameter is more than draw-in groove internal diameter.Stop block deviates from fixed part Side have in the middle part of annular slot and draw-in groove there is expansion groove, described expansion groove internal diameter is more than draw-in groove internal diameter, it is simple to plastics body surface Face arranges suitable fixture block, and fixture block is clamp-oned in expansion groove, it is ensured that inserts closely cooperates with plastics.

Optionally, described nut external diameter is more than column jecket external diameter.Nut is stress point during assembling, and when assembling, stress is more Greatly, bigger outside dimension is set and makes integrally-built mechanical strength higher, less damaged.

Optionally, described inlay, stop block, fixed part, rib, snap ring are one-body molded.Integrated inlay, backstop Block, fixed part, rib, snap ring so that the mechanical strength of whole inserts is preferable.

Compared with prior art, the technical program has the advantage that

This utility model by arranging the structures such as inlay, stop block, fixed part, enhancing block, arrange six equally distributed Have after the groove of parallel two side makes partly plastic be pushed out and enter groove, enhance the energy of antagonism radial rotating Power, arranges groove simultaneously and increases the fixed part of inserts and the contact area of plastics, improve the ability that antagonism is axially withdrawn, arrange Several equally distributed enhancing blocks on snap ring and snap ring, it strengthens the solstics spacing to the longitudinal center line of inlay of block External diameter equal to rib, it is to avoid inserts its radially protruding part is excessive, or radially protruding part is less but and non-projecting portion The problem that subdivided gap is too small, makes partly plastic extrude on front side of snap ring simultaneously, treats that plastics cooling is fixing, effectively improves antagonism Axially withdrawn ability；Fixed part is set and includes that hex nut and radial outside are provided with externally threaded cylindrical column jecket, just In using instrument hold-doun nut, conveniently unclamp inserts and other accessories so that the assembling of inserts is easier.

Have in the middle part of annular slot and draw-in groove it addition, stop block deviates from the side of fixed part there is expansion groove, described expansion groove Internal diameter is more than draw-in groove internal diameter, it is simple to the fixture block that plastic body surface configuration is suitable, and fixture block is clamp-oned in expansion groove, it is ensured that inserts and plastics Closely cooperate.Nut is stress point during assembling, and when assembling, stress is bigger, arranges bigger outside dimension and makes overall knot The mechanical strength of structure is higher, less damaged.Integrated inlay, stop block, rib, snap ring so that whole inserts Mechanical strength is preferable.

This utility model simple in construction, with low cost.

Accompanying drawing explanation

Fig. 1 is the inserts outboard front view structural representation of this utility model embodiment；

Fig. 2 is the inserts generalized section of this utility model embodiment；

Fig. 3 is the inserts upward view of this utility model embodiment.

1, inlay, 2, stop block, 3, fixed part, 4, rib, 5, snap ring, 6, external screw thread, 31, nut, 32, column jecket, 41, Groove, 51, strengthen block, 81, draw-in groove, 82, expand groove, A, longitudinal center line, B, centrage.

Detailed description of the invention

Below in conjunction with the accompanying drawings, by specific embodiment, the technical solution of the utility model is carried out clear, complete retouching State.

This utility model embodiment discloses a kind of inserts (see accompanying drawing 1,2,3), including hollow cylinder inlay 1, described In the middle part of inlay 1, radial outside is provided with stop block 2；The radial outside of the inlay 1 being positioned at stop block 2 side is provided with fixed part 3, described Fixed part 3 includes that hex nut 31 and radial outside are provided with externally threaded cylindrical column jecket 32, and described nut 31 is arranged on Between stop block 2 and column jecket 32, and being connected with both, described nut 31 is one-body molded with inlay 1；

Being positioned at the inlay 1 rib 4 away from an axial end of fixed part 3, rib 4 is provided with six equally distributed tools There are the groove 41 of parallel two side, arbitrary longitudinal center line A that centrage B between parallel side is pointed to inlay 1；Position Two snap rings 5 on inlay 1 radial outside between stop block 2 and rib 3, it is uniform that described snap ring 5 is provided with several The enhancing block 51 of distribution, the spacing in the solstics of its enhancing block 51 to the longitudinal center line A of inlay 1 is equal to outside rib 4 Footpath.This utility model, by arranging the structures such as inlay 1, stop block 2, fixed part 3, rib 4, snap ring 5, arranges six and uniformly divides The groove 41 with parallel two side of cloth enters groove 41 after partly plastic is pushed out, and enhances antagonism and radially turns Dynamic ability, arranges groove 41 simultaneously and increases the fixed part 3 of inserts and the contact area of plastics, improve antagonism axially withdrawn Ability, arranges several equally distributed enhancing blocks 51 on snap ring 5 and snap ring 5, and it strengthens the solstics axle to inlay 1 of block 51 To the spacing of centrage A equal to the external diameter of rib 4, it is to avoid its radially protruding part of inserts is excessive, or radially protruding part Divide less but too small with non-projecting portion subdivided gap problem, make partly plastic extrude on front side of snap ring 5 simultaneously, treat that plastics cool down Fixing, effectively improve the ability that antagonism is axially withdrawn；Fixed part 3 is set and includes that hex nut 31 and radial outside are provided with The cylindrical column jecket 32 of external screw thread 6, it is simple to use instrument hold-doun nut 31, conveniently unclamps inserts and other accessories so that inserts Assembling easier.

Described external screw thread 6 is extended to nut 31 by column jecket 32 axial end portion.Described stop block 2 deviates from the side tool of fixed part There is annular slot 81.Having expansion groove 82 in the middle part of described groove 81, described expansion groove 82 internal diameter is more than draw-in groove 81 internal diameter.Stop block 2 is carried on the back Having in the middle part of annular slot 81 and draw-in groove 81 from the side of fixed part 3 and have expansion groove 82, described expansion groove 82 internal diameter is more than draw-in groove 81 internal diameters, it is simple to the fixture block that plastic body surface configuration is suitable, fixture block is clamp-oned in expansion groove 82, it is ensured that inserts is closely joined with plastics Close.Described nut 31 external diameter is more than column jecket 32 external diameter.Nut 31 is stress point during assembling, and when assembling, stress is bigger, arranges Bigger outside dimension makes integrally-built mechanical strength higher, less damaged.Described inlay 1, stop block 2, fixed part 3, rib 4, snap ring 5 are one-body molded.Integrated inlay 1, stop block 2, fixed part 3, rib 4, snap ring 5 so that whole The mechanical strength of individual inserts is preferable.

When the present embodiment is implemented, inlay inserts in the plastics plastified, and rib promotes plastics to flow in groove, blocks simultaneously The block that strengthens on ring promotes plastics to be back to strengthen in the gap between block, until stop block props up plastics, and the fixture block on plastics Clamp-on draw-in groove.When the present embodiment and other accessories assemble dismounting, use instrument hold-doun nut, unclamp between accessory and column jecket Threaded engagement, completes dismounting.

Although this utility model is open as above with preferred embodiment, but it is not for limiting this utility model, appoints What those skilled in the art, without departing from spirit and scope of the present utility model, may be by method and the skill of the disclosure above Technical solutions of the utility model are made possible variation and amendment by art content, therefore, every without departing from this utility model technology The content of scheme, any simple modification above example made according to technical spirit of the present utility model, equivalent variations and Modify, belong to the protection domain of technical solutions of the utility model.

Claims

1. an inserts, it is characterised in that including:

Hollow cylinder inlay, in the middle part of described inlay, radial outside is provided with stop block；It is positioned at the radial direction of the inlay of stop block side Outside is provided with fixed part, and described fixed part includes that hex nut and radial outside are provided with externally threaded cylindrical column jecket, institute Stating nut to be arranged between stop block and column jecket, and be connected with both, described nut is one-body molded with inlay；

Be positioned at the inlay rib away from an axial end of fixed part, rib be provided with six equally distributed have parallel The groove of two sides, arbitrary longitudinal center line that centrage between parallel side is pointed to inlay；

Two snap rings on inlay radial outside between stop block and rib, it is uniform that described snap ring is provided with several The enhancing block of distribution, the spacing in the solstics of enhancing block to the longitudinal center line of inlay is equal to the external diameter of rib.

2. inserts as claimed in claim 1, it is characterised in that described external screw thread is extended to nut by column jecket axial end portion.

3. inserts as claimed in claim 1, it is characterised in that described stop block deviates from the side of fixed part and has annular snap Groove.

4. inserts as claimed in claim 3, it is characterised in that having expansion groove in the middle part of described groove, described expansion groove internal diameter is more than Draw-in groove internal diameter.

5. inserts as claimed in claim 1, it is characterised in that described nut external diameter is more than column jecket external diameter.

6. the inserts as described in claim 1-5 is arbitrary, it is characterised in that described inlay, stop block, fixed part, rib, card Ring is one-body molded.