CN208978060U - Plastic mould bushing - Google Patents

Abstract

The utility model discloses plastic mould bushings, including washer, outer cylinder, retaining ring, sealing ring, circlip, inner cylinder, inner hole, positioning ring, foreign steamer, retainer, it is characterized in that washer is placed in the bottommost of total, a sealing ring is arranged in retaining ring upper center, one inner hole is set above sealing ring, a retainer is arranged in inner hole periphery, and a positioning ring is with outside sealing ring, and a foreign steamer is arranged in positioning ring periphery.The utility model passes through washer connecting bushing upper component, retaining ring is placed on above outer cylinder for stopping other dust impurities to enter inner cylinder, the fixation of bushing inner hole is controlled by sealing ring, it ensure that the fit sealing of bushing, circlip is for adjusting control sealing ring, inner cylinder is for wrapping up valve rod, reduce abrasion, valve rod is connect with bushing by inner hole, make preferably be connected between bushing and valve rod by retainer, the utility model also has that manufacturing cost is low, firm and durable, and each component connects flexible feature.

Description

Plastic mould bushing

Technical field

The utility model relates to a kind of die bushing manufacture fields, specially plastic mould bushing.

Background technique

Bushing has referred to the ring set of liner effect, and in valve application field, bushing generally uses polytetrafluoro within valve deck The anticorrosive materials such as ethylene or graphite are used for sealing function.In moving component, the mill of part is caused because of long-term friction Damage, when axis and the gap wear in hole to a certain extent when have to renewal part therefore designer is in design when is selected With hardness is lower, the preferable material of wearability is axle sleeve or bushing, the abrasion of axis and seat can be reduced in this way, when axle sleeve or bushing Abrasion is replaced to a certain extent, can save the cost because of replacement axis or seat in this way, and in general, bushing and seat used Be full of cooperation, and be gap-matched with axis because no matter how or not can avoid abrasion, the service life can only be extended, and axis Comparatively class part is easier to process.Plastic mould is a kind of molding for compression moulding, extrusion molding, injection, blow molding, low ratio foamed The abbreviation of sectional die.Mold punch and matrix and assistant formation system coordination variation, can process different shape, difference A series of plastics of size.Valve rod is wrapped, wears, can be convenient replacement, if not having to bushing, after abrasion, replacement is zero Part.So changing into is more resleeve, when design, just bushing hardness is reduced, becomes it in friction pair and holds mill part, Yin Qijia Work is convenient, and replacement cost is low, also easily changes, while there are also guiding function.In the production of die bushing, there is presently no a kind of special Door is used for the bushing of plastic mould.

Utility model content

The utility model is exactly in view of the above problems, provide a kind of bushing dedicated for plastic mould.

The utility model achieves the above object through the following technical schemes:

Plastic mould bushing, including washer, outer cylinder, retaining ring, sealing ring, circlip, inner cylinder, inner hole, positioning ring, foreign steamer, guarantor Holder, it is characterised in that washer is placed in the bottommost of total, and an outer cylinder, setting one above outer cylinder are arranged above washer A sealing ring is arranged in retaining ring, retaining ring upper center, and a circlip is respectively set in sealing ring surrounding, and outer barrel is arranged in one An inner hole is arranged in cylinder, sealing ring top, and inner hole periphery is arranged a retainer, is with a positioning ring outside sealing ring, positions A foreign steamer is arranged in ring periphery.Washer is approximate Thin ring plate, and outer cylinder is cylindrical body, and retaining ring is approximate annulus column, and inner cylinder is Top is the annulus column of rotary table, and positioning ring is approximate annulus, and foreign steamer is concentric circles annulated column.

The utility model plays stationary bushing for protecting inner hole by washer connecting bushing upper component, outer cylinder Effect, retaining ring is placed on above outer cylinder for stopping other dust impurities to enter inner cylinder, avoids bush inside dirty, play guarantor The fixation of bushing inner hole is controlled by sealing ring, ensure that the fit sealing of bushing, circlip is for adjusting by the effect for hindering liner Section control sealing ring, and then sealing fastening effect is made to reach best, inner cylinder reduces abrasion, while the side of playing for wrapping up valve rod Just the effect with save the cost is replaced, is connect valve rod with bushing by inner hole, positioning ring is for adjusting control bushing and valve rod Between position, while also acting as guiding function, foreign steamer makes energy between bushing and valve rod by retainer for protecting bushing Preferably it is connected, improves the precision of liner, the utility model also has that manufacturing cost is low, structure is simple and convenient to operate, jail Gu it is durable, and each component connects flexible feature.

Detailed description of the invention

Fig. 1 is the positive structure schematic of the utility model, and Fig. 2 is the overlooking structure diagram of the utility model, in which:

1-washer, 2-outer cylinders, 3-retaining rings, 4-sealing rings, 5-circlips, 6-inner cylinders, 7-inner holes, 8-positioning rings, 9-foreign steamers, 10-retainers.

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.

Plastic mould bushing, including washer 1, outer cylinder 2, retaining ring 3, sealing ring 4, circlip 5, inner cylinder 6, inner hole 7, positioning ring 8, Foreign steamer 9, retainer 10, it is characterised in that washer 1 is placed in the bottommost of total, an outer cylinder 2 is arranged above washer 1, outside A retaining ring 3 is arranged in 2 top of cylinder, and a sealing ring 4 is arranged in 3 upper center of retaining ring, and a circlip is respectively set in 4 surrounding of sealing ring 5, an inner cylinder 6 is set inside outer cylinder 2, an inner hole 7 is set above sealing ring 4,7 one retainer 10 of periphery setting of inner hole, A positioning ring 8,8 one foreign steamer 9 of periphery setting of positioning ring are with outside sealing ring 4.Washer 1 is approximate Thin ring plate, outer cylinder 2 For cylindrical body, retaining ring 3 is approximate annulus column, and inner cylinder 6 is the annulus column that top is rotary table, and positioning ring 8 is approximate annulus, foreign steamer 9 For concentric circles annulated column.

The utility model plays fixed lining for protecting inner hole 7 by 1 connecting bushing upper component of washer, outer cylinder 2 The effect of set, retaining ring 3, which is placed on, is used to that other dust impurities be stopped to enter inner cylinder 6 above outer cylinder 2, avoids bush inside dirty, Play the role of ensureing liner, the fixation of bushing inner hole 7 is controlled by sealing ring 4, the fit sealing of bushing is ensure that, blocks Spring 5 makes sealing fastening effect reach best for adjusting control sealing ring 4, and inner cylinder 6 is used to wrap up valve rod, reduces abrasion, Play the role of being convenient for changing simultaneously and save the cost, valve rod connect with bushing by inner hole 7, positioning ring 8 is controlled for adjusting Position between bushing and valve rod processed, while guiding function is also acted as, foreign steamer 9 is made for protecting bushing by retainer 10 It can preferably be connected between bushing and valve rod, improve the precision of liner, the utility model also has that manufacturing cost is low, structure It is simple and convenient to operate, firm and durable, and each component connects flexible feature.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

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 (7)

1. plastic mould bushing, including washer, outer cylinder, retaining ring, sealing ring, circlip, inner cylinder, inner hole, positioning ring, foreign steamer, holding Device, it is characterised in that washer is placed in the bottommost of total, and an outer cylinder is arranged above washer, one gear of setting above outer cylinder A sealing ring is arranged in circle, retaining ring upper center, and a circlip is respectively set in sealing ring surrounding, and outer barrel is arranged in one An inner hole is arranged in cylinder, sealing ring top, and inner hole periphery is arranged a retainer, is with a positioning ring outside sealing ring, positions A foreign steamer is arranged in ring periphery.

2. plastic mould bushing according to claim 1, it is characterised in that the washer is approximate Thin ring plate.

3. plastic mould bushing according to claim 1, it is characterised in that the outer cylinder is cylindrical body.

4. plastic mould bushing according to claim 1, it is characterised in that the retaining ring is approximate annulus column.

5. plastic mould bushing according to claim 1, it is characterised in that the inner cylinder is the annulus column that top is rotary table.

6. plastic mould bushing according to claim 1, it is characterised in that the positioning ring is approximate annulus.

7. plastic mould bushing according to claim 1, it is characterised in that the foreign steamer is concentric circles annulated column.