CN205025933U

CN205025933U - Linear bearing

Info

Publication number: CN205025933U
Application number: CN201520800768.7U
Authority: CN
Inventors: 李茂碷
Original assignee: AMA TECH Co Ltd
Current assignee: AMA TECH Co Ltd
Priority date: 2015-10-13
Filing date: 2015-10-13
Publication date: 2016-02-10
Anticipated expiration: 2025-10-13

Abstract

The utility model discloses a linear bearing, it includes an urceolus, its drum for having an urceolus wall and an inner tube wall, the urceolus wall of its one end is equipped with a fitting portion, the body rolls in most groups, and it inlays the inner tube wall at this urceolus respectively with rolling, and a fixed loop, it is plastics integrated into one piece ground and combines the plastics ring body at the fitting portion of this urceolus. Via the above way, the utility model discloses a combine to form to the integrative cladding shaping of the usable plastics of linear bearing the technique of a fixed loop in urceolus one end, reach simplification procedure, reduce purposes such as processing cost and material cost.

Description

Linear bearing

Technical field

The utility model, about a kind of linear bearing, espespecially a kind ofly can make the linear bearing moved linearly by leading axle.

Background technique

The linear bearing assembly of guide shaft and mechanism relative movement along a straight line is each other provided now, be illustrated in figure 1 cylindrical linear bearing 10a, its structure is provided with most balls 102 at the inner tube wall of a urceolus 101, and the outer tube wall of urceolus 101 2 end is respectively equipped with a retaining ring groove 103, a C shape clasp 20 can be fastened respectively at retaining ring groove 103, and then urceolus 101 is fixed on mechanism one mounting plate 50a, there is provided a guide shaft 30 through urceolus 101 with this, this guide shaft 30 is made to utilize the ball 102 of cylindrical linear bearing 10a to support, and the axis of the linearly bearing 10a slided is that relative rectilinear moves.But above-mentioned cylindrical linear bearing 10a must assemble with the mounting plate 50a that thickness t1 is thicker, this is the global design planning of unfavorable mechanism, for this reason, is that the flange type linear bearing having another new comes out.

Be illustrated in figure 2 flange type linear bearing 10b, the difference that itself and cylindrical linear bearing 10a are maximum, be convexly equipped with a flange ring 104 in one end of urceolus 101, multiple screw perforation 105 is provided with in flange ring 104, similarly also be provided with most balls 102 at the inner tube wall of urceolus 101, so namely, available screw 40 is through screw perforation 105, the mounting plate 50b that flange type linear bearing 10b is locked in lower thickness t2 is used, mechanism is made not have restriction on mounting plate thickness for Method for Installation flange-type linear bearing 10b, the more smart reality of global design planning.

The only flange ring 104 of above-mentioned flange type linear bearing 10b, it makes molding mode, one is that employing is shaping in one cutting mode with urceolus 101, two is after first being machined alone by flange ring 104, combine in the mode of pyrocondensation close-fitting with urceolus 101, these two kinds of modes all need flange ring 104 to be implemented with intermetallic composite coating engineering methods such as car, milling, brills, and processing cost is too high, time-consuming again, and cut with urceolus 101 one and many materials can be caused to cut waste, cost of material is promoted.

Model utility content

The purpose of this utility model is providing a kind of linear bearing, reaches to simplify procedure, cut down finished cost and the object such as cost of material.

In order to achieve the above object, the utility model provides a kind of linear bearing, comprising: a urceolus, and it is the cylinder with an outer tube wall and an inner tube wall, and the outer tube wall of its one end is provided with an embedding part; Most group roll body, it is rollably embedded in the inner tube wall of this urceolus respectively; And a retaining ring, it is the plastics ring body that plastics one is combined in the embedding part of this urceolus Overmoldedly.

Further, wherein this embedding part comprises one around the recessed retaining ring groove at this outer tube wall in ground, and the clasp that is fastened on this retaining ring groove; And the plastics of this retaining ring envelope this clasp completely.

Further, wherein this embedding part comprises the recess of one or more these outer tube walls recessed; And the plastics one of this retaining ring embeds this recess Overmoldedly.

Further, wherein this retaining ring is provided with most and bores a hole with the screw of this urceolus axis parallel.

Linear bearing of the present utility model, one-body molded and envelope the embedding part structure improvement of this urceolus one end by this retaining ring, the retaining ring structure of linear bearing can be made rapidly, and reach and simplify procedure, cut down finished cost and the effect such as cost of material.

Accompanying drawing explanation

Fig. 1 is the generalized section of known cylindrical linear bearing.

Fig. 2 is the generalized section of known flange type linear bearing.

Fig. 3 is the schematic perspective view of the utility model linear bearing first preferred embodiment.

Fig. 4 is the generalized section of the utility model linear bearing first preferred embodiment.

Fig. 5 is the decomposing schematic representation of the utility model linear bearing first preferred embodiment.

Fig. 6 is the generalized section of the utility model linear bearing second preferred embodiment.

Fig. 7 is the decomposing schematic representation of the utility model linear bearing second preferred embodiment.

In figure, 1 urceolus 11 outer tube wall

12 inner tube wall 13 embedding parts

131 retaining ring groove 132 clasps

133 recess 134 protuberances

14 roll body setting unit 2 roll bodies

3 retaining ring 30 guide shafts

31 screw perforation.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.

Consult shown in Fig. 3, Fig. 4 and Fig. 5, linear bearing of the present utility model, move in relative rectilinear for providing mechanism and a guide shaft 30, its preferred embodiment comprises a urceolus 1, most group roll body 2 and at least one retaining ring 3, wherein: this urceolus 1 is for having the metal cylinder of an outer tube wall 11 and an inner tube wall 12, the outer tube wall 11 of this urceolus 1 one end is provided with an embedding part 13, and the inner tube wall 12 of this urceolus 1 is provided with most roll body setting units 14; This majority group roll body 2 is rollably embedded in the roll body setting unit 14 of the inner tube wall 11 of this urceolus 1 respectively, and concrete respectively this roll body 2 can be ball and formed; And this retaining ring 3 adopts integrally moulded formed plastics ring body, be combined in the embedding part 13 of this urceolus 1 with making the coated ejection formation of this retaining ring 3 one, formed linear bearing of the present utility model with this.

As mentioned above, this retaining ring 3 of the utility model adopts and integrally mouldedly to form, therefore make the external diameter of this urceolus 1 need not overprocessing, again this urceolus 1 with embedding part 13 is placed on the mould of coated ejection formation, make plastic ejection moulding in one end of this urceolus 1 with this, can reach and simplify procedure, cut down finished cost and the effect such as cost of material.

Again as shown in Figures 4 and 5, this embedding part 13 above-mentioned preferably can implement one around the recessed retaining ring groove 131 at this outer tube wall 11 in ground, a clasp 132 (such as C shape clasp etc.) is fastened at retaining ring groove 131, make the plastics of this retaining ring 3 above-mentioned envelope this clasp 132 completely with this, so make retaining ring 3 more shape be firmly attached to one end of this urceolus 1.

Again as shown in FIG. 6 and 7, this embedding part 13 above-mentioned preferably also may be embodied as one or one to be recessed on the recess 133 of this outer tube wall 11, make the plastics of this retaining ring 3 when one-body molded, embed this recess 133 with this, and then make retaining ring 3 be attached to one end of this urceolus 1 regularly.

As mentioned above, this retaining ring 3 of the utility model adopts and is combined in this urceolus 1 one end integrally mouldedly, therefore also ejection forming technique can be utilized, make this retaining ring 3 have most to bore a hole 31 (shown in figure as arbitrary in Fig. 4 to Fig. 7) with the screw of the axis parallel of this urceolus 1, so when installing application the utility model linear bearing, available screw is attached on the mounting plate of mechanism through screw perforation 31 again, and due to mould can be utilized during plastic shaping to mold above-mentioned screw perforation 31 simultaneously, therefore, it is possible to save the processing procedure of known Drilling operation, reach and more simplify processing procedure and the effect reduced costs.

The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims

1. a linear bearing, is characterized in that, comprising: a urceolus, and it is the cylinder with an outer tube wall and an inner tube wall, and the outer tube wall of its one end is provided with an embedding part; Most group roll body, it is rollably embedded in the inner tube wall of this urceolus respectively; And a retaining ring, it is the plastics ring body that plastics one is combined in the embedding part of this urceolus Overmoldedly.

2. linear bearing as claimed in claim 1, it is characterized in that, wherein this embedding part comprises one around the recessed retaining ring groove at this outer tube wall in ground, and the clasp that is fastened on this retaining ring groove; And the plastics of this retaining ring envelope this clasp completely.

3. linear bearing as claimed in claim 1, is characterized in that, wherein this embedding part comprises the recess of one or more these outer tube walls recessed; And the plastics one of this retaining ring embeds this recess Overmoldedly.

4. as claimed any one in claims 1 to 3 linear bearing, is characterized in that, wherein this retaining ring is provided with most and bores a hole with the screw of this urceolus axis parallel.