CN217055984U - Steel ball retainer of sliding block for linear guide rail - Google Patents
Steel ball retainer of sliding block for linear guide rail Download PDFInfo
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- CN217055984U CN217055984U CN202220169613.8U CN202220169613U CN217055984U CN 217055984 U CN217055984 U CN 217055984U CN 202220169613 U CN202220169613 U CN 202220169613U CN 217055984 U CN217055984 U CN 217055984U
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- strip
- steel ball
- linear guide
- retaining strip
- retaining
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Abstract
The utility model discloses a steel ball of slider that linear guide used keeps ware, its steel ball keeps ware to comprise outer and integration internals, integration internals is by original internals and last, in, keep a integrated into one piece down, on the middle of outer and integration internals, it can be equipped with the dust strip fixed slot to keep strip and guide rail fitting surface down, nine parts before keeping the ware with the steel ball reduce four parts, whole production has effectively been improved, the efficiency and the quality of assembly link, the whole use accuracy of slider has especially been promoted, the noise of steel ball has been reduced, smooth and easy degree has been improved.
Description
Technical Field
The utility model relates to a guide rail field, concretely relates to steel ball of slider that linear guide used keeps ware.
Background
The linear guide rail is used in high-precision linear reciprocating motion occasions, can bear certain torque, and can realize high-precision linear motion under the condition of high load.
In the current prior art, the linear guide mainly consists of two parts, namely a rail component and a slider component, and the structure is shown in fig. 1 and 2, wherein the rail component is a single metal rail body component, and the slider component mainly consists of a metal slider body, a dust-proof sheet, a steel ball, two outer pieces (end covers), two inner pieces, an upper retaining strip, two middle retaining strips and two lower retaining strips, and the two outer pieces (end covers), the two inner pieces, the upper retaining strip, the two middle retaining strips and the two lower retaining strips belong to a steel ball retaining system, which is called a steel ball retainer or a reverser, and consists of nine fittings.
In the aspect of processing, nine accessories are all made of plastics, the number of the opened molds is large, five sets of injection molds are needed, the number of times of processing and production of the retainer part is large, five times of production are needed, nine parts are assembled for a complete linear guide rail product, manpower and material resource time are wasted, and due to the fact that the number of production batches is large, waste materials and waste gases are generated in the production process, and the environment is not protected; in assembly, the steel ball retaining system is provided with five retaining strips, namely an upper retaining strip, a middle retaining strip and a lower retaining strip, wherein the upper retaining strip and the lower retaining strip are respectively matched and fixed with outer parts (end covers) on two sides of the body, the middle retaining strip is arranged between an upper ball path and a lower ball path, the upper retaining strip and the lower retaining strip are kept in a floating (false fixing, namely clamped between the two groups of steel balls, the steel balls are prevented from falling out, and the inner parts cannot fall out) state by depending on the upper steel ball and the lower steel balls, the inner parts are arranged in the outer parts, and the end covers, the inner parts and the retaining strips are all formed by injection molding; the complete linear guide rail product has nine components, the assembly cost is long, the assembly quality is unstable, the assembly is complicated, errors and gaps exist in the assembly of the nine components, the precision of the assembled finished product is poor, balls are easy to fall off, the integral performance of the linear guide rail product is influenced,
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel ball retainer of a slide block for a linear guide rail; the steel ball retainer of the sliding block for the original linear guide rail is improved, a new structure is provided, the defects of more production molds, more production parts, more assembly parts, large product assembly error, large gap, poor precision of the assembled finished product, low reliability and unsmooth rolling of the steel ball in the background art can be effectively overcome, the efficiency and the quality of the whole production and assembly link are effectively improved, the integral use precision of the sliding block is improved, the noise of the steel ball is reduced, and the smoothness is improved.
In order to achieve the above object, the utility model provides a following technical scheme:
a steel ball retainer of a sliding block for a linear guide rail is composed of an outer part and an integrated inner part, wherein the integrated inner part integrates the original inner part, an upper retaining strip, a middle retaining strip and a lower retaining strip, so that the sliding block is more convenient to assemble, and the retainer is simpler and more convenient to produce.
The upper holding strip of the integrated inner part can be provided with a pair of upper dustproof strip mounting grooves, and the lower holding strip of the integrated inner part can be provided with a pair of lower dustproof strip mounting grooves. The upper and lower dustproof strip mounting grooves arranged on the external member are matched with the upper and lower dustproof strip mounting grooves on the integrated internal member.
The outer end faces of the upper retaining strip, the middle retaining strip and the lower retaining strip on one side are provided with positioning pins, the outer end faces of the upper retaining strip, the middle retaining strip and the lower retaining strip on the other side are provided with positioning holes, and the positioning pins are matched with the positioning holes.
More specifically, the steel ball retainer comprises an integrated inner part, the integrated inner part comprises an inner part vertical to the large plane, the inner part is provided with an upper retaining part, a middle retaining part and a lower retaining part which extend outwards and horizontally on two sides of the large plane, the upper retaining part and the middle retaining part on one side are provided with opposite sliding grooves along the length direction to form a sliding way for sliding the upper balls, and the middle retaining part and the lower retaining part on one side are provided with opposite sliding grooves to form a sliding way for sliding the lower balls.
Further, the upper holding part is provided with an upper dustproof strip mounting groove on the inner side of the sliding groove; the lower holding part is provided with a lower dustproof strip mounting groove at the inner side of the sliding groove; the outer end faces of the upper holding portion, the middle holding portion and the lower holding portion on one side are provided with positioning pins, the outer end faces of the upper holding portion, the middle holding portion and the lower holding portion on the other side are provided with positioning holes, and the positioning pins are matched with the positioning holes.
Furthermore, the utility model also provides a linear guide rail, which comprises a guide rail body, external parts which are arranged at the two ends of the guide rail body in a sliding way, and two integrated internal parts which are positioned between the two external parts; the two integrated internal parts are oppositely connected through the positioning pin and the positioning hole, the notch of the external part is provided with a dustproof strip fixing groove, and the dustproof strip fixing groove is matched with the dustproof strip mounting groove; balls are provided in the slide way between the upper holding portion and the middle holding portion and in the slide way between the middle holding portion and the lower holding portion.
The utility model also provides a linear guide rail, which comprises a guide rail body, external pieces arranged at the two ends of the guide rail body in a sliding way, and two integrated internal pieces positioned between the two external pieces; the two integrated internal parts are oppositely connected through the positioning pin and the positioning hole, the notch of the external part is provided with a dustproof strip fixing groove, and the dustproof strip fixing groove is matched with the dustproof strip mounting groove; balls are provided in the slide way between the upper holding portion and the middle holding portion and in the slide way between the middle holding portion and the lower holding portion.
Furthermore, the dustproof strip fixing groove and the dustproof strip mounting groove are provided with dustproof strips.
Further, the linear guide rail further comprises a sliding block, wherein a semi-surrounding structure is arranged at the lower part of the sliding block and is arranged on the upper holding part, the middle holding part and the lower holding part in a surrounding mode through the semi-surrounding structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses steel ball holding system that totally nine accessories are constituteed reduces to 4 parts, two external, the internals of two integrations, because two internals are integrated into one piece, make whole have higher intensity, reduced the assembly complexity that conventional split type structure brought, eliminated the conventional vibrations that keep the strip to produce in the motion process.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a guide rail of a prior design;
FIG. 2 is a schematic view of an assembly structure of an external member and an internal member of an original design;
fig. 3 is a schematic structural view of the guide rail of the present invention;
fig. 4 is a schematic view of the assembly structure of the external and internal components of the present invention;
fig. 5 is a schematic perspective view of the integrated internal member of the present invention;
fig. 6 is a schematic side view of the integrated inner member of the present invention.
The specific implementation mode is as follows:
to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
Referring to figures 1-6 of the drawings,
a steel ball retainer of a sliding block for a linear guide rail comprises an outer 2 piece and an integrated inner piece 11, wherein the integrated inner piece 11 integrates an original inner piece 1, an upper retaining strip 6, a middle retaining strip 7 and a lower retaining strip 8, so that the sliding block body 4 is more convenient to assemble, and the retainer is more simple and convenient to produce.
In the present embodiment, the integrated trim 11 is provided with a pair of upper dust-proof strip installation grooves 126 and a pair of lower dust-proof strip installation grooves 128; an outer member dust-proof strip mounting groove 127 is formed in the outer member 2. The exterior dust strip mounting groove 127 is used in cooperation with the upper dust strip mounting groove 126 and the lower dust strip mounting groove 128 of the integrated interior member 11.
In the present embodiment, the integrated trim 11 is provided with positioning pins 124 and positioning holes 125, and the positioning pins 124 and the positioning holes 125 are matched.
More specifically, the integral inner member 11 includes a vertical large-plane inner member portion 111 and a retaining portion extending vertically to one side, the inner member portion 11 is formed by the original inner member 1, the retaining portion is formed by the original upper retaining strip 6, the original middle retaining strip 7 and the original lower retaining strip 8, and includes an upper retaining portion 121, a middle retaining portion 122 and a lower retaining portion 123, which correspond to the original upper retaining strip 6, the original middle retaining strip 7 and the original lower retaining strip 8, respectively; the upper holding part 121 and the middle holding part 122 on one side are provided with opposite slide grooves in the length direction to form a slide way for the upper steel ball to slide, and the middle holding part 122 and the lower holding part 123 on one side are provided with opposite slide grooves to form a slide way for the lower steel ball to slide.
In the present embodiment, the upper holder 121 is provided with an upper dust bar mounting groove 126 at the inner side of the chute, and the lower holder 123 is provided with a lower dust bar mounting groove 128 at the inner side of the chute; the outer end faces of the upper holding portion 121, the middle holding portion 122 and the lower holding portion 123 on one side are provided with positioning pins 124, the outer end faces of the upper holding portion 121, the middle holding portion 122 and the lower holding portion 123 on the other side are provided with positioning holes 125, and the positioning pins 124 and the positioning holes 125 are matched.
In this embodiment, the present invention further provides a linear guide rail, which includes a guide rail body 1, two external members 2 slidably disposed at two ends of the guide rail body 1, and two integrated internal members 11 located between the two external members 2; the two integrated internal pieces 11 are oppositely connected through a positioning pin 124 and a positioning hole 125, an external piece dustproof strip installation groove 127 is arranged at the notch of the external piece 2, and the external piece dustproof strip installation groove 127 is matched with an upper dustproof strip installation groove 126 and a lower dustproof strip installation groove 128 on the integrated internal piece 11 for use. Steel balls 5 are provided in the slide between the upper holding portion 121 and the middle holding portion 122 and in the slide between the middle holding portion 122 and the lower holding portion 123. And the positions of the outer dustproof strip mounting groove 127, the dustproof strip mounting groove 126 and the lower dustproof strip mounting groove 128 are provided with dustproof strips.
The linear guide rail further comprises a slider body 4, and the lower part of the slider body 4 is provided with a semi-surrounding structure and is wrapped on the upper holding part 121, the middle holding part 122 and the lower holding part 123 through the semi-surrounding structure.
In the original process, the slider is internally provided with five retaining strips, namely, an upper retaining strip, a middle retaining strip and a lower retaining strip, wherein the upper retaining strip and the lower retaining strip are respectively matched and fixed with outer parts (end covers) on two sides of the body, the middle retaining strip is arranged between an upper ball path and a lower ball path, the upper retaining strip and the lower retaining strip are kept in a floating (false fixing, namely, the upper retaining strip and the lower retaining strip are clamped between two groups of steel balls, the steel balls do not fall out, and the upper retaining strip and the lower retaining strip are not fallen out) state by means of the upper steel ball and the lower steel balls, the inner parts are installed in the outer parts, and the end covers, the inner parts and the retaining strips are formed by injection molding, and are assembled uniformly and have certain gaps among all parts, and belong to gap fit assembly, so that the retainers have certain deformation, dislocation and gaps after assembly, finally, the balls are easy to fall off, and the problems that the steel balls roll unsmooth and the like are caused. The total number of the components is 9, the assembly time is long, and the assembly quality is unstable; the utility model comprises two external parts and two integrated internal parts, and the sliding block metal body is matched to keep the position of the steel ball in the middle of the sliding block to roll. The two ends of the metal body of the sliding block are respectively provided with an internal part, the two ends of the internal part are matched with the end covers, the internal part and the end covers are combined to form a rolling groove for providing the steel ball to do the return motion, the sliding block is generally provided with four ball paths, in order to prevent the steel ball from falling off, the outer sides of the ball paths are respectively provided with a retaining strip, the retaining strips between the two upper ball paths and the lower ball paths can be shared, and the retaining strips between the two upper ball paths can also be shared.
The utility model discloses steel ball holding system that totally nine accessories are constituteed reduces to 4 parts, two external, the internals of two integrations, because two internals are integrated into one piece, make whole have higher intensity, reduced the assembly complexity that conventional split type structure brought, eliminated the conventional vibrations that keep the strip to produce in the motion process.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A steel ball retainer of a slide block for a linear guide rail, characterized in that: the steel ball retainer consists of an outer part and an integrated inner part, and the integrated inner part integrates the original inner part, an upper retaining strip, a middle retaining strip and a lower retaining strip, so that the slide block is more convenient to assemble, and the retainer is more simple and convenient to produce.
2. The steel ball retainer for a slide for a linear guide according to claim 1, wherein: the upper holding strip of the integrated inner member may be provided with a pair of upper dust-proof strip mounting grooves.
3. The ball retainer of a slide for a linear guide according to claim 1, wherein: the lower holding strip of the integrated inner member may be provided with a pair of lower dust-proof strip mounting grooves.
4. The ball retainer of a slide for a linear guide according to claim 1, wherein: the upper and lower dust strip mounting groove that is equipped with on the exterior spare uses with the upper and lower dust strip mounting groove cooperation on the integration internals.
5. The steel ball retainer for a slide for a linear guide according to claim 1, wherein: the outer end faces of the upper retaining strip, the middle retaining strip and the lower retaining strip on one side are provided with positioning pins, the outer end faces of the upper retaining strip, the middle retaining strip and the lower retaining strip on the other side are provided with positioning holes, and the positioning pins are matched with the positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220169613.8U CN217055984U (en) | 2022-01-21 | 2022-01-21 | Steel ball retainer of sliding block for linear guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220169613.8U CN217055984U (en) | 2022-01-21 | 2022-01-21 | Steel ball retainer of sliding block for linear guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217055984U true CN217055984U (en) | 2022-07-26 |
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ID=82485598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220169613.8U Active CN217055984U (en) | 2022-01-21 | 2022-01-21 | Steel ball retainer of sliding block for linear guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217055984U (en) |
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2022
- 2022-01-21 CN CN202220169613.8U patent/CN217055984U/en active Active
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