CN203395014U

CN203395014U - Crossed guide rail retaining frame

Info

Publication number: CN203395014U
Application number: CN201320490497.0U
Authority: CN
Inventors: 习一钧
Original assignee: Shenzhen Fu Jie Precision Optical Machinery Co Ltd
Current assignee: Shenzhen Fu Jie Precision Optical Machinery Co Ltd
Priority date: 2013-08-02
Filing date: 2013-08-02
Publication date: 2014-01-15
Anticipated expiration: 2023-08-02

Abstract

The utility model discloses a crossed guide rail retaining frame which comprises two identical retaining frame bodies and roller pins, wherein each retaining frame body is in the shape of a longitudinally extended strip and comprises a base body in a direction of the cross section of the retaining frame body; an isosceles right triangle upwardly protrudes in the middle of each base body; lugs are arranged on the two sides of each base body respectively and provided with upwardly opened U-shaped steel wire grooves; the bottom surface of each lug is higher than that of the corresponding base body by a certain distance; the lugs on the two sides of each base body are arranged at intervals in a staggered manner in a longitudinal direction of the retaining frame body; the distance between the adjacent lugs is equal to the width of each lug; a round hole is formed in the opposite inclined surface of each lug and is axially vertical to the inclined surface; the center of each round hole is positioned in the center of the width of each lug and the center of the inclined surface; the roller pins are arranged in the round holes; the two retaining frame bodies are reversely fastened with each other; two steel wires penetrate the steel wire grooves respectively. The crossed guide rail retaining frame is simple to assemble, stable in connection and arbitrarily selectable in length.

Description

Cross slideway retainer

[technical field]

The utility model relates to cross slideway retainer.

[background technique]

Conventional cross slideway retainer on the market, by two retainers fixedly needle roller form, but retainer sticks up by glue, in stability, has a greatly reduced quality, glue can ftracture at any time, retainer is very accurate thing, glue has been put many, can affect precision.Put less, during use, often can split, the length that retainer is produced is certain, is to do according to the longest length of standard, if need different length, just can only take long going to cut off, and waste very large.

[model utility content]

Technical problem to be solved in the utility model is to provide a kind of cross slideway retainer, and this device assembling is simple, stable connection, and length can be chosen arbitrarily.

For solving the problems of the technologies described above, the technological scheme that the utility model adopts is:

A kind of cross slideway retainer is provided, comprises retainer body and needle roller, it is characterized in that: described retainer body has identical two, the strip that described retainer body is longitudinal extension;

On retainer body cross-sectional direction, retainer body comprises matrix, and matrix middle part is to the first-class waist right-angled triangle of upper process, and respectively there is a lug matrix both sides, and lug has the U-shaped steel wire trough of upward opening, and the bottom surface of lug exceeds matrix bottom surface certain distance;

On retainer body longitudinal direction, the lug interval of matrix both sides, be crisscross arranged, span between adjacent lug equals the width of lug, on relative inclined-plane, each lug position, there is a circular hole, circular hole is axially perpendicular to inclined-plane, the lug width center that is centered close to and the center, inclined-plane of circular hole, the diameter of circular hole is greater than surface width;

Needle roller is placed in circular hole, and two retainer bodies oppositely fasten, and two steel wires are respectively through steel wire trough.

The further improvement of technique scheme is: on matrix, near lug position, the first slope is set, at relative opposite side, the second slope is set, after two retainer bodies oppositely fasten, two the first slopes and two the second slopes are spacing to needle roller, so that needle roller is limited in retainer.

The further improvement of technique scheme is: described retainer body is that plastic cement is made.

The beneficial effects of the utility model are: cross slideway retainer assembling of the present utility model easily, conventional cross slideway plastic cement retainer assembling difficulty, also needs to add glue and fixes after having assembled on the market, and face retainer is very accurate thing, glue is put many, can affect precision.Puts less, during use, often can split, and guide holder of the present utility model can be without glue, adopt and intersect the most reliably means of fixation, and can not ftracture,

Length can be chosen arbitrarily, the length that similar retainer was produced is in the past certain, to do according to the longest length of standard, if need different length, just can only take long going to cut off, waste very large, and being fritter retainer by 54MM length, retainer of the present utility model combines, so it is all very convenient to be combined into random lengths, waste very little

Needle roller is fixing very stable, although former needle roller is fixed, is also that two retainers are fixed, because retainer sticks up by glue, in stability, have a greatly reduced quality, glue can ftracture at any time, and the fixing needle roller of employing staggered form of the present utility model, bonding without glue, and needle roller can not come off

Stable accuracy, retainer precision is in the past unstable, and most reasons are the impacts that glue produces, otherwise are exactly that glue exceeds retainer plane, and have interference with guide rail, otherwise be exactly that glue directly adheres on needle roller, affect service precision, to such an extent as to very high to assembly crewman's requirement, but it is qualified to be always difficult to accomplish, and retainer of the present utility model is not with adopting glue bonding, precision and stability have greatly been improved

Maintenance easily, conventional retainer is an integral body, if often one of them needle roller goes wrong, just can all scrap by whole piece retainer, repair possibility, and retainer of the present utility model is because being combined by multi-disc retainer, no matter wherein which position goes wrong, change all easily, can not scrap by whole piece

Ultralow noise during high speed operation, the noise producing during because of plastic cement and needle roller friction is well below the noise of friction generation between metal and needle roller, so, noise is very low, the working life of overlength and the precision stability of overlength, because plastic cement retainer and needle roller produce while directly rubbing, the impact that needle roller precision is produced, be far smaller than the impact that metal cage produces needle roller, the pliability of plastic cement, can not have any impact to the precision of needle roller after all, so, more be conducive to long-term stable accuracy and longer working life

Super sliding, just pliable and tough and easily lubricated because of plastic cement itself, and the whole parcel to needle roller, is more conducive to needle roller and when motion, better guarantees the correct form of displacement, can not produce the situations such as micro-dislocation or beat.

[accompanying drawing explanation]

Fig. 1 is the view of seeing on the utility model cross-sectional direction;

Fig. 2 is that the C of Fig. 1 is to view;

Fig. 3 is that the E of Fig. 1 is to view;

Fig. 4 is that two retainer bodies fasten schematic diagram;

Fig. 5 is that the H of Fig. 4 is to view;

Fig. 6 is the I-I sectional view of Fig. 5;

Fig. 7 is the J-J sectional view of Fig. 5;

Fig. 8 is cross section, the F-F position sectional view of Fig. 2;

Fig. 9 is cross section, the G-G position sectional view of Fig. 2;

Figure 10 is that the K of Fig. 1 is to view;

Below in conjunction with accompanying drawing, the utility model is described further:

[embodiment]

Refer to Fig. 1 to Figure 10:

Fig. 1 is the view of seeing on retainer body 1 cross-sectional direction, retainer body 1 comprises matrix 2, matrix 2 middle parts are to the first-class waist right-angled triangle 3 of upper process, respectively there is a lug 4 matrix 2 both sides, lug 4 has the U-shaped steel wire trough 5 of upward opening, and the bottom surface 41 of lug 4 exceeds matrix bottom surface 21 certain distance D; After this distance D oppositely fastens two retainer bodies 1, lug 4 is interlaced, thereby makes steel wire trough 5 form a through hole, so that through steel wire.

Fig. 2 be the C of Fig. 1 to view, show on retainer body longitudinal direction and extend, the strip that retainer body 1 is longitudinal extension, lug 4 intervals of matrix 2 both sides, be crisscross arranged, the span D1 between adjacent lug 4 equals the width D 1 of lug 4, that is to say, in a side of matrix 2, be to arrange like this, a lug 4, then D1 is spaced a distance, another lug 4, the D1 that is spaced a distance, by that analogy, and at the opposite side of matrix 2, the just staggered distance D 1 of lug 4;

Isosceles right triangle 3 You Liangge inclined-plane A and B have a circle on relative inclined-plane, each lug position, and 6, circular hole 6 is axially perpendicular to inclined-plane, the lug width center that is centered close to and the center, inclined-plane of circular hole 6, the diameter of circular hole 6 is greater than surface width; As shown in Figure 3, Fig. 3 be the E of Fig. 1 to view, in the above, circular hole 6 is just at B face and vertical with B face so for first lug, then circular hole 6 is just A face (can't see from Fig. 3) so below for adjacent next lug, and circular hole 6 is interlocking to become 90 degree angles to be arranged in order like this.

As Fig. 4 to Fig. 7, needle roller 7 is placed in circular hole 6, two retainer bodies oppositely fasten, due to lug interval, be crisscross arranged, oppositely, the lug of a retainer body is placed in the interval of another retainer body just, and so lucky fastening gets up, and the steel wire trough of two retainer bodies is just in time also reverse, after fastening, forming one can be through the aperture 9 of steel wire 8.

As shown in Figure 8,9, Fig. 8 is cross section, the F-F position sectional view of Fig. 2, Fig. 9 is cross section, the G-G position sectional view of Fig. 2, on matrix, near lug 4 positions, the first slope 10 is set, at relative opposite side, arrange after the reverse fastening of 11, two, the second slope retainer body, two the first slopes and two the second slopes are spacing to needle roller, so that needle roller is limited in retainer, as shown in Figure 6, Figure 7.

Described retainer body is that plastic cement is made, and just pliable and tough and easily lubricated because of plastic cement itself, and the whole parcel to needle roller, is more conducive to needle roller and when motion, better guarantees the correct form of displacement, can not produce the situations such as micro-dislocation or beat.

Easily, conventional cross slideway plastic cement retainer assembling difficulty, also needs to add glue and fix, and retainer is very accurate thing after having assembled on the market in cross slideway retainer assembling of the present utility model, and glue is put many, can affect precision.Puts less, during use, often can split, and guide holder of the present utility model can be without glue, adopt and intersect the most reliably means of fixation, and can not ftracture,

One section of each lug of the present utility model and interval is exactly Yi Ge unit, then unit can infinite copy one by one, length can be chosen arbitrarily, the length that similar retainer was produced is in the past certain, to do according to the longest length of standard, if need different length, just can only take long going to cut off, waste very large, and retainer of the present utility model can be made the fritter of certain length, such as, the fritter of 54MM length, so it is all very convenient to be combined into random lengths, waste very little.

Stable accuracy, retainer precision is in the past unstable, overwhelming majority reason is the impact that glue produces, otherwise be exactly that glue exceeds retainer plane, and have interference with guide rail, otherwise be exactly that glue directly adheres on needle roller, affect service precision, to such an extent as to very high to assembly crewman's requirement, but it is qualified to be always difficult to accomplish, and retainer of the present utility model is with adopting glue bonding, precision and stability have greatly been improved, maintenance easily, conventional retainer is an integral body, if often one of them needle roller goes wrong, just can all scrap by whole piece retainer, not repairing may, and retainer of the present utility model is because being combined by multi-disc retainer, no matter wherein which position goes wrong, change all very convenient, can not scrap by whole piece,

The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.

Claims

1. a cross slideway retainer, comprises retainer body and needle roller, it is characterized in that: described retainer body has identical two, the strip that described retainer body is longitudinal extension;

2. cross slideway retainer as claimed in claim 1, it is characterized in that: on matrix, near lug position, the first slope is set, at relative opposite side, the second slope is set, after two retainer bodies oppositely fasten, two the first slopes and two the second slopes are spacing to needle roller, so that needle roller is limited in retainer.

3. cross slideway retainer as claimed in claim 1, is characterized in that: described retainer body is that plastic cement is made.