CN203822849U

CN203822849U - Linear sliding rail

Info

Publication number: CN203822849U
Application number: CN201420155846.8U
Authority: CN
Inventors: 陈志豪
Original assignee: GMT Global Inc
Current assignee: Dongguan Ding Qi Intelligent Automation Technology Ltd; Gaoming Iron Enterprise Co ltd
Priority date: 2014-04-01
Filing date: 2014-04-01
Publication date: 2014-09-10
Anticipated expiration: 2024-04-01

Abstract

The utility model discloses a linear sliding rail. The linear sliding rail comprises a track seat body provided with a groove part and bolt locking holes, a sliding seat, two ball motion guide assemblies respectively arranged between the two sides of the sliding seat and the track seat body, a motion guide screw rod which is transversely arranged in the groove part of the track seat body and is used for transmitting the sliding seat, and a driving part arranged at one end of the track seat body, wherein the top of the track seat body is provided with two convex strips arranged in a pair at the two sides of the groove part; two inward contracting distances are respectively formed between the two convex strips and the two sides of the track seat body, so that two laterally arranged table tops are respectively formed between the two convex strips and the two sides of the track seat body; the two laterally arranged table tops are respectively provided with the bolt locking hole of the track seat body; the vertical cross section of the sliding seat is in a pi shape and comprises a transverse top wall and two lateral walls formed by respectively extending from the two sides of the transverse top wall downwards in a convex way; the two ball motion guide assemblies are respectively arranged between the two lateral walls of the sliding seat and the two convex strips of the track seat body. Therefore, the structural strength of the track seat body and the sliding seat of the linear sliding rail are greatly improved; the arrangement distance between the two bolt locking holes is prolonged, so that the track seat body is more stable in locking state.

Description

Linear slide rail

Technical field

The utility model relates to a kind of linear slide rail, and particularly a kind of its structural strength that can promote is with the innovation structure form in response to its lightweight material demand.

Background technique

Linear sliding rail structure form as shown in Figure 1, standing to section of its track pedestal 10 is conventionally set as ㄩ word shape and is formed with an inner groovy 11, so that a sliding seat 20 is mounted in the inner groovy 11 of track pedestal 10, between inner groovy 11 2 sidewalls 12 of sliding seat 20 2 sides and track pedestal 10, group is provided with ball member 30, makes the sliding seat 20 can be along the 11 bearing of trend slippage starts of the inner groovy of track pedestal 10.

Linear sliding rail structure is found still to exist in some problems and scarce fraud linear slide rail production development design in actual use experience, the use of its material is changed into aluminium or aluminum alloy material by the heavier steel of script, with in response to lightweight development trend, the track pedestal 10 of linear slide rail founds the form that is set as ㄩ word shape to section, the L shaped rotation angle position forming between groove 11 2 sidewalls 12 and track pedestal 10 bottoms therein, will have influence on because support strength is not enough the structural strength of whole track pedestal 10, be difficult to effectively resist the support active force of described ball member 30 for inner groovy 11 2 sidewalls 12, cause easily producing the problem points of distortion, and then have influence on the sturdy and durable degree of linear slide rail product.

When aforementioned known Linear sliding rail structure is applied to laterally disposed form (that is the state at Fig. 1 90-degree rotation angle), the more L shaped rotation angle position that makes because of gravity relation to form between the sidewall 12 of inner groovy 11 and track pedestal 10 bottoms is faced more greatly, severeer malformation problem.

Because the bolt lock of linear slide rail is established inner groovy 11 bottom sides that hole 13 must be located at its track pedestal 10, thus, more can form most hole positions at the bottom of track pedestal 10 zone line, and then more having weakened track pedestal 10 polycrystalline substance intensity, the same existence of this part easily produces problem and the scarce fraud of distortion.

Model utility content

Main purpose of the present utility model is to provide a kind of linear slide rail.

For achieving the above object, the utility model by the following technical solutions:

Linear slide rail comprise be microscler extension form and there is groove part and bolt lock establish hole a track pedestal, can slippage start on track pedestal a sliding seat, be located at ball between sliding seat two sides and track pedestal and lead assembly, cross in track pedestal groove part and use one of transmission sliding seat and lead screw rod, be located at track pedestal one end and use and drive a drive portion of leading screw rod, wherein in the middle of sliding seat bottom, below has a screw seat and leads screw rod and mutually screws togather.Two raised lines that track pedestal top is formed with paired configuration and extends along the microscler direction of track pedestal in two sides of groove part, and between the dual side-edge of two raised lines and track pedestal, have one and inside contract spacing, to form two side table tops between two raised lines and the dual side-edge of track pedestal; The bolt lock of track pedestal is established hole and is located at two side table tops; Standing to section of sliding seat is a ㄇ shape and comprises a transverse top wall and by two lateral sidewalls that protrude out under transverse top wall two side direction, and makes described ball lead assembly being located between two lateral sidewalls of sliding seat and two raised lines of track pedestal.

Innovate by this unique design, make the utility model contrast prior art, can significantly promote track pedestal and the sliding seat structural strength of linear slide rail, with the demand in response to the lightweight such as aluminium or aluminum alloy material product structure, and increasing by two side bolt locks, to establish hole setting space more firm to make track pedestal lock establish state, and then reach the advantage that promotes linear slide rail product serviceability and practical improvement.

Brief description of the drawings

Fig. 1 is standing to sectional view of known Linear sliding rail structure.

Fig. 2 is the stereogram of the utility model linear slide rail preferred embodiment.

Fig. 3 is standing to view sub-anatomy of the utility model linear slide rail preferred embodiment.

Fig. 4 is standing to assembled sectional view of the utility model linear slide rail preferred embodiment.

Fig. 5 is the enforcement illustration of formula form of being formed in one between screw seat of the present utility model and sliding seat bottom.

Embodiment

As shown in Figure 2,3, 4, the preferred embodiment of the utility model linear slide rail, only these embodiments, only for explanation, are not subject to the restriction of this structure in patent application, described linear slide rail A comprises and is microscler extension form and has groove part 41 and bolt lock is established a track pedestal 40 in hole 42, sliding seat 50 that can slippage start on track pedestal 40, the ball of being located between sliding seat 50 2 sides and track pedestal 40 is led assembly 60(note: this example adopts circulating track form, but be not limited to this), cross in track pedestal 40 groove parts 41 and use one of transmission sliding seat 50 and lead screw rod 70, being located at track pedestal 40 one end uses to drive and leads a drive portion 80 of screw rod 70, below wherein in the middle of sliding seat 50 bottoms, there is a screw seat 505 and lead screw rod 70 and mutually screw togather, comprise: track pedestal 40 tops are formed with paired configuration and establish to two raised lines 43 that extend along track pedestal 40 is microscler in two sides of groove part 41, and between two raised lines 43 and the dual side-edge of track pedestal 40, have one and inside contract spacing W(as shown in Figure 3), to form two side table tops 44 between two raised lines 43 and the dual side-edge of track pedestal 40, the bolt lock of track pedestal 40 is established hole 42 and is located at two side table tops 44, standing to section of sliding seat 50 is a ㄇ shape and comprises a transverse top wall 51 and by two lateral sidewalls 52 that protrude out under transverse top wall 51 2 side direction, and makes described ball lead assembly 60 being located between two lateral sidewalls 52 of sliding seat 50 and two raised lines 43 of track pedestal 40.

Wherein, track pedestal 40 and sliding seat 50 can be aluminium or aluminum alloy material forms; For this kind of lightweight, material is particularly suitable for the utility model structural form, but material selection in the utility model linear slide rail A practical application is not as limit.

In detail as shown in Figure 3, wherein two raised lines 43 of track pedestal 40 are relatively more formed with and can lead assembly 60 for ball and establish groove 431 against the angle type group of setting in outside.

As shown in Figure 4, wherein the transverse top wall 51 of sliding seat 50 is found the transverse gage (as H2 indicates) that is greater than two lateral sidewalls 52 to thickness (as H1 indicates); Proportionate relationship arranges form by this, to make two lateral sidewalls 52 can obtain better resistance to flexure.

Form design by said structure, the structural form of the utility model linear slide rail there is no different from prior art with regard to start part, mainly drive and lead screw rod 70 forward or reverse rotation by drive portion 80, so can move start in the enterprising back skating of track pedestal 40 by transmission sliding seat 50, and core design of the present utility model is mainly the change innovation part that is track pedestal 40 and sliding seat 50 the two structural form, two raised lines 43 that wherein track pedestal 40 tops form in groove part 41 2 sides, because of and track pedestal 40 dual side-edges between tool one inside contract spacing W(as shown in Figure 3) can between two raised lines 43 and the dual side-edge of track pedestal 40, form two side table tops 44, this makes the bottom of two raised lines 43 all have the supporting structure (note: be the shape of falling ㄒ) extending towards two side direction links, therefore compared to the L shaped corner structure form of scheming in disclosed structure, the structural rigidity intensity of this part of the utility model is when can significantly promoting and not yielding, particularly in the time that track pedestal 40 adopts aluminium or aluminum alloy material to form, help particularly evident, establish hole 42 and be located at again the technical characteristics of two side table tops 44 by the bolt lock of track pedestal 40, bolt lock in the disclosed structure of Fig. 1 is established the inner groovy 11 bottom side forms that hole 13 is located at track pedestal 10, the utility model can obviously increase by two side bolt locks and establish the setting space in hole 42, make the lock of track pedestal 40 establish state more firm, on the other hand, standing to section of sliding seat 50 is ㄇ shape and comprises the technical characteristics of a transverse top wall 51 and two lateral sidewalls 52, though this fracture morphology is the section reversion form of track pedestal 10, but because of sliding seat 50 that length is set is short and small many than track pedestal 40, this still can possess two lateral sidewalls 52 of sliding seat 50 preferably structural strength, therefore can strong opposing leads the active force that supports that screw rod 70 produces.

Again wherein, between screw seat 505 and sliding seat 50 bottoms, can be combined type form (as shown in Figure 3,4) or integrate shaped type form (as shown in Figure 5).

Effect explanation:

The utility model linear slide rail is mainly formed with described raised line by track pedestal top in two sides of groove part, between raised line and limit, railroad shoe side, tool inside contracts spacing to form side table top, the bolt lock of track pedestal is established hole and is located at two side table tops again, and sliding seat stands to section and is ㄇ shape and comprises transverse top wall and two lateral sidewalls, make again ball innovation unique texture form and the technical characteristics such as lead that assembly is located between sliding seat two lateral sidewalls and track pedestal two raised lines, make the utility model contrast [background technique] existing structure of carrying, can significantly promote track pedestal and the sliding seat structural strength of linear slide rail, with the demand in response to the lightweight such as aluminium or aluminum alloy material product structure, and increasing by two side bolt locks, to establish hole setting space more firm to make track pedestal lock establish state, and then reach plurality of advantages such as promoting linear slide rail product serviceability and practical improvement.

The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.

Claims

1. a linear slide rail, comprise and be microscler extension form and have groove part and bolt lock is established a track pedestal in hole, a sliding seat that can slippage start on track pedestal, the ball of being located between sliding seat two sides and track pedestal and led assembly, cross in track pedestal groove part and use one of transmission sliding seat and lead screw rod, be located at track pedestal one end in order to drive a drive portion of leading screw rod, wherein in the middle of sliding seat bottom, below has a screw seat and leads screw rod and mutually screws togather; Characterized by further comprising:

Two raised lines that track pedestal top is formed with paired configuration and extends along the microscler direction of track pedestal in two sides of groove part, and between the dual side-edge of two raised lines and track pedestal, have one and inside contract spacing, to form two side table tops between two raised lines and the dual side-edge of track pedestal;

The bolt lock of track pedestal is established hole and is located at two side table tops;

Sliding seat comprises a transverse top wall and by two lateral sidewalls that protrude out under transverse top wall two side direction, described ball is led assembly and is located between two lateral sidewalls of sliding seat and two raised lines of track pedestal.

2. linear slide rail as claimed in claim 1, is characterized in that track pedestal and sliding seat are that aluminium or aluminum alloy material form.

3. linear slide rail as claimed in claim 1, two raised lines that it is characterized in that track pedestal relatively outside are formed with and lead assembly for ball and establish groove against the angle type group of setting.

4. linear slide rail as claimed in claim 3, is characterized in that the transverse top wall of sliding seat is found the transverse gage that is greater than two lateral sidewalls to thickness.

5. linear slide rail as claimed in claim 4, is characterized in that between screw seat and sliding seat bottom being combined type form or integrate shaped type form.