CN210240466U

CN210240466U - Ball spline pair telescopic guide rod

Info

Publication number: CN210240466U
Application number: CN201920763482.4U
Authority: CN
Inventors: Baoping Ren; 任保平; Qiliang Ren; 任启良; Yumei Zhang; 张玉梅
Original assignee: Shanghai Baoliang Precision Transmission Equipment Co ltd
Current assignee: Shanghai Baoliang Precision Transmission Equipment Co ltd
Priority date: 2019-05-26
Filing date: 2019-05-26
Publication date: 2020-04-03
Anticipated expiration: 2029-05-26

Abstract

The utility model relates to the technical field of ball spline pairs, in particular to a telescopic guide rod of a ball spline pair, which solves the defects of high limitation and increased production cost in the prior art, and comprises a guide rod, a ball spline and a fixed seat, wherein the ball spline is assembled outside the guide rod, a telescopic groove is arranged inside the fixed seat, one end of the guide rod is in sliding connection with the inside of the telescopic groove, connecting blocks are fixed on both sides of the fixed seat through screws, and a user can adjust the length of the guide rod according to the requirements of field work by arranging the structures such as the fixed seat, a screw rod, the connecting blocks, a guide pillar, a bearing, a slide block, a slide groove and the like, thereby reducing the limitation of the original guide rod, being suitable for all working requirements, greatly reducing the production cost and reducing the production cost in the using process, the equipment also has the advantage of being ready to use, and is convenient for a user to operate.

Description

Ball spline pair telescopic guide rod

Technical Field

The utility model relates to a vice technical field of ball spline especially relates to a vice scalable guide bar of ball spline.

Background

The rolling spline pair is a linear motion system, and when the spline sleeve moves linearly on the spline shaft which is subjected to precise grinding by using the steel balls in the spline sleeve, torque can be transmitted. The spline pair has a compact structure, can transmit excessive load and power, and has a long service life.

The length of the vice guide bar of present ball spline is certain, and is higher to the use limitation of equipment, to different use occasions, needs to change the vice use of multiunit spline, has increased manufacturing cost.

Disclosure of Invention

The utility model aims at solving the shortcoming that has the limitation higher among the prior art, increased manufacturing cost, and the vice scalable guide bar of ball spline that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vice scalable guide bar of ball spline, includes guide bar, ball spline and fixing base, the outside of guide bar is equipped with the ball spline, flexible groove has been seted up to the inside of fixing base, the one end of guide bar and the inside sliding connection in flexible groove, the both sides of fixing base all have the connecting block through the screw fixation, and the inside slip of connecting block is provided with the guide pillar, and the other end welding of guide pillar has the backup pad, the screw has been seted up to the inside of backup pad, the inside thread tightening of screw has the screw rod, the screw rod rotates to be installed one side of fixing base.

Preferably, the inner wall both sides in flexible groove have all been seted up the spout, the both sides of guide bar one end all are provided with integrative structure slider, the inside sliding connection of slider and spout.

Preferably, one end of the fixed seat is bonded with a rubber pad through an adhesive, the rubber pad is annular, and the guide rod penetrates through the rubber pad.

Preferably, a bearing is installed on one side of the fixed seat, and one end of the screw rod is sleeved in the bearing.

Preferably, a through hole is formed in the connecting block, the guide pillar is embedded in the through hole, and a limiting block of an integrated structure is arranged at one end of the guide pillar.

The utility model has the advantages that:

1. the utility model discloses in through the setting of fixing base, screw rod, connecting block, guide pillar, bearing, slider, spout isotructure, the user can be according to the demand of site work, can make the regulation to the length of guide bar after rotating the screw rod, has reduced the use limitation of original guide bar, is applicable to all work demands, reduces manufacturing cost widely, and at the in-process that uses moreover, this equipment still possesses the advantage of transferring promptly, convenient to use person operates.

2. The utility model discloses in through the setting of rubber pad, the other end and the actuating mechanism of guide bar are connected or fixed the setting, and the ball spline can reduce the impulsive force through the rubber pad when removing to rubber pad department, has reduced the wearing and tearing between the mechanism, has prolonged the life of equipment.

Drawings

Fig. 1 is a schematic structural view of a ball spline pair telescopic guide rod provided by the present invention;

fig. 2 is the structure schematic diagram of the fixing base and the rubber pad provided by the utility model.

In the figure: the device comprises a guide rod 1, a ball spline 2, a fixed seat 3, a bearing 4, a telescopic groove 5, a sliding groove 6, a sliding block 7, a limiting block 8, a connecting block 9, a guide pillar 10, a support plate 11, a screw hole 12, a screw rod 13 and a rubber pad 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a telescopic guide rod of a ball spline pair comprises a guide rod 1, a ball spline 2 and a fixed seat 3, the ball spline 2 is assembled outside the guide rod 1, a telescopic groove 5 is formed inside the fixed seat 3, one end of the guide rod 1 is slidably connected with the inside of the telescopic groove 5, connecting blocks 9 are fixed on both sides of the fixed seat 3 through screws, a guide pillar 10 is slidably arranged inside the connecting block 9, a supporting plate 11 is welded on the other end of the guide pillar 10, a screw hole 12 is formed inside the supporting plate 11, a screw 13 is fixed on the inner thread of the screw hole 12, the screw 13 is rotatably installed on one side of the fixed seat 3, sliding grooves 6 are formed on both sides of the inner wall of the telescopic groove 5, and a user can work on site according to the requirements of the work on site through the arrangement of the fixed seat 6, the screw 13, the connecting, the length of the guide rod 1 can be adjusted after the screw 13 is rotated, the use limitation of the original guide rod 1 is reduced, the guide rod is suitable for all working requirements, the production cost is greatly reduced, in the using process, the device also has the advantages of instant adjustment and use, the operation of a user is convenient, the two sides of one end of the guide rod 1 are respectively provided with an integrated structure sliding block 7, the sliding blocks 7 are in sliding connection with the inner part of the sliding groove 6, one end of the fixed seat 3 is bonded with a rubber pad 14 through an adhesive, the other end of the guide rod 1 is connected or fixedly arranged with a driving mechanism through the arrangement of the rubber pad 14, when the ball spline 2 moves to the rubber pad 14, the impact force can be reduced through the rubber pad 14, the abrasion between the mechanisms is reduced, the service life of the device is prolonged, the rubber pad 14 is in a circular shape, the guide rod 1 passes through the inner part of, one end of the screw rod 13 is sleeved inside the bearing 4, a through hole is formed inside the connecting block 9, the guide pillar 10 is embedded inside the through hole, and a limiting block 8 of an integrated structure is arranged at one end of the guide pillar 10.

In this embodiment, one end of the guide rod 1 is fixedly arranged or connected with the driving mechanism, and for different field use requirements, a user fixes the support plate 11 by one hand and rotates the screw 13 at the same time, one end of the screw 13 rotates inside the bearing 4, and can push or pull the fixed seat 3 to slide left and right on the guide post 10, and when the fixed seat 3 slides left and right, the slide block 7 slides inside the sliding groove 6, so that part of the guide rod 1 extends out of or retracts into the telescopic groove 5, thereby achieving the purpose of changing the length of the guide rod 1, and after the adjustment is completed, the length of the guide rod 1 cannot be changed under other external forces due to the thread fixity of the screw 13;

further, when ball spline 2 moved on guide bar 1, when ball spline 2's one end removed to rubber pad 14 department, rubber pad 14 separated fixing base 3 and ball spline 2, avoided direct collision between the mechanism, reduced the wearing and tearing between the mechanism, improve equipment life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vice scalable guide bar of ball spline, includes guide bar (1), ball spline (2) and fixing base (3), its characterized in that, the outside of guide bar (1) is equipped with ball spline (2), flexible groove (5) have been seted up to the inside of fixing base (3), the one end of guide bar (1) and the inside sliding connection in flexible groove (5), the both sides of fixing base (3) all have connecting block (9) through the screw fixation, and the inside slip of connecting block (9) is provided with guide pillar (10), and the other end welding of guide pillar (10) has backup pad (11), screw (12) have been seted up to the inside of backup pad (11), the internal thread fixation of screw (12) has screw rod (13), screw rod (13) rotate to be installed one side of fixing base (3).

2. The telescopic guide rod of the ball spline pair as claimed in claim 1, wherein sliding grooves (6) are formed in both sides of the inner wall of each telescopic groove (5), sliding blocks (7) of an integrated structure are arranged on both sides of one end of each guide rod (1), and the sliding blocks (7) are slidably connected with the inner portions of the sliding grooves (6).

3. The telescopic guide rod of the ball spline pair as claimed in claim 1, wherein a rubber pad (14) is bonded to one end of the fixed seat (3) through an adhesive, the rubber pad (14) is circular, and the guide rod (1) penetrates through the inside of the rubber pad (14).

4. The telescopic guide rod of the ball spline pair as claimed in claim 1, wherein a bearing (4) is installed on one side of the fixed seat (3), and one end of the screw rod (13) is sleeved inside the bearing (4).

5. The telescopic guide rod of the ball spline pair as claimed in claim 1, wherein a through hole is formed in the connecting block (9), the guide post (10) is embedded in the through hole, and a limit block (8) of an integrated structure is arranged at one end of the guide post (10).