Dovetail-shaped sliding rail capable of adjusting adaptive precision

Abstract

The utility model discloses a swallow-tailed slide rail with adjustable adaptation precision, which comprises a static slide rail, a movable slide rail and an elastic block, the static slide rail comprises a swallow-tailed insert block positioned at the top of the static slide rail, the bottom surface of the movable slide rail is provided with a swallow-tailed groove matched with the insert block, and the insert block is embedded in the swallow-tailed groove and is in sliding fit with the swallow-tailed groove; one side wall of the dovetail groove is an adjusting wall obliquely arranged relative to the sliding direction of the movable sliding rail, the elastic block is arranged between the adjusting wall and the embedded block, and at least one end of the movable sliding rail in the sliding direction is provided with an adjusting mechanism. The adjusting mechanism is connected with the elastic block and used for adjusting the position of the elastic block in the sliding direction of the movable sliding rail. The adjusting wall is further provided with a plurality of anti-deformation mechanisms distributed in the sliding direction of the movable sliding rail, and the anti-deformation mechanisms abut against the elastic blocks or are detachably connected with the elastic blocks. According to the utility model, the deformation of the elastic block can be greatly reduced, and the adaptation precision of the movable slide rail and the static slide rail is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slide rails for mechanical equipment, in particular to a dovetail slide rail with adjustable adaptation accuracy. Background Art

[0002] Dovetail slides have the advantages of high precision and stable operation, and are widely used in various high-precision machine tools and equipment such as the manufacture of watches and their accessories. Existing dovetail slides usually include a static slide and a movable slide that matches it. The static slide has a dovetail insert, and the movable slide has a dovetail groove that matches the insert. The insert and the dovetail groove slide together to achieve the sliding of the movable slide relative to the static slide.

[0003] In order to adjust the tightness of the insert and the dovetail groove, so as to adjust the moving accuracy of the slide rail, the adjustment is currently mainly carried out through the built-in tension block. One side wall of the dovetail groove is set to be inclined relative to the sliding direction, and the tension block is set between the side wall and the insert. The tension block can move along the sliding direction of the movable slide rail, and the tension block will approach or move away from the insert, thereby changing the tightness between the tension block and the insert, and adjusting the matching accuracy of the movable slide rail and the static slide rail. However, since the tension block is longer in the sliding direction of the movable slide rail, if only the two ends of the tension block are limited, the middle position of the tension block is prone to slight deformation, thereby affecting the matching accuracy of the movable slide rail and the static slide rail. Utility Model Content

[0004] The utility model provides a dovetail slide rail with adjustable fitting accuracy, which can greatly reduce the deformation of the tension block and improve the fitting accuracy of the movable slide rail and the static slide rail.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] An embodiment of the utility model provides a dovetail slide rail with adjustable adaptation accuracy, comprising a static slide rail, a movable slide rail and a tension block, the static slide rail comprising a dovetail insert located at the top thereof, the bottom surface of the movable slide rail being provided with a dovetail groove adapted to the insert, the insert being embedded in the dovetail groove and slidingly cooperating with the dovetail groove; one side wall of the dovetail groove being an adjustment wall inclined relative to the sliding direction of the movable slide rail, the tension block being provided between the adjustment wall and the insert, the movable slide rail being provided with an adjustment mechanism at least at one end in its sliding direction, the adjustment mechanism being connected to the tension block and being used to adjust the position of the tension block along the sliding direction of the movable slide rail; the adjustment wall being further provided with a plurality of anti-deformation mechanisms distributed along the sliding direction of the movable slide rail, the anti-deformation mechanisms abutting against the tension block or being detachably connected to the tension block.

[0007] In some embodiments, the anti-deformation mechanism includes a mounting through hole penetrating to the outer surface of the movable slide rail and an anti-deformation member penetrating in the mounting through hole, and the anti-deformation member abuts against the tension block or is detachably connected to the tension block.

[0008] In some embodiments, the mounting through hole is a strip hole extending along the sliding direction of the movable slide rail, and the anti-deformation component can move in the mounting through hole along the sliding direction of the movable slide rail; the anti-deformation component is a screw rod, and the side of the tension block close to the adjustment wall is provided with a tension block threaded hole adapted to the screw rod, and the screw rod is connected to the tension block threaded hole.

[0009] In some embodiments, the anti-deformation mechanisms are evenly distributed along the sliding direction of the movable slide rail.

[0010] In some embodiments, two adjusting mechanisms are provided, and the two adjusting mechanisms are respectively provided at two ends of the movable slide rail in its sliding direction.

[0011] In some embodiments, the adjustment mechanism includes an adjustment plate fixed to the end of the movable slide rail and an adjustment rod arranged on the adjustment plate, and the adjustment rod is used to move the tension block along the sliding direction of the movable slide rail.

[0012] In some embodiments, the adjusting rod is rotatably connected to the adjusting plate around the sliding direction of the slide rail, and the adjusting rod is threadably connected to the tension block.

[0013] In some embodiments, a groove is disposed on the top surface of the insert.

[0014] The utility model has at least the following beneficial effects: the movable slide rail of the utility model is provided with an adjustment mechanism at at least one end in its sliding direction, and the position of the tension block can be adjusted along the sliding direction of the movable slide rail through the adjustment mechanism, thereby adjusting the fitting accuracy of the movable slide rail and the static slide rail; at the same time, the adjustment wall is also provided with a plurality of anti-deformation mechanisms distributed along the sliding direction of the movable slide rail, the anti-deformation mechanism abuts against the tension block or is detachably connected to the tension block, and the anti-deformation mechanism supports and shapes the tension block, thereby greatly reducing the deformation of the tension block and improving the fitting accuracy of the movable slide rail and the static slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a dovetail slide rail with adjustable fitting accuracy according to an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of a dovetail slide rail with adjustable fitting accuracy according to an embodiment of the utility model;

[0017] Figure 3 It is a side view schematic diagram of a movable slide rail of an embodiment of the utility model;

[0018] Figure 4 This is a schematic structural diagram of a dovetail slide rail with adjustable fitting accuracy after removing the movable slide rail according to an embodiment of the utility model.

[0019] Wherein, the accompanying drawings are marked as follows:

[0020] Static slide rail 100, insert block 110, groove 114;

[0021] The movable slide rail 200 , the dovetail groove 210 , the adjusting wall 211 , the tightening block 220 , the tightening block threaded hole 221 , the adjusting mechanism 230 , the adjusting plate 231 , the adjusting rod 232 , the anti-deformation mechanism 240 , and the mounting through hole 241 . DETAILED DESCRIPTION

[0022] The utility model provides the following description with reference to the accompanying drawings to help fully understand the various embodiments of the utility model as defined by the claims and their equivalents. The description includes various specific details to help understanding, but these details should be regarded as exemplary only. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the various embodiments described herein without departing from the scope and spirit of the utility model.

[0023] In the description of the present invention, descriptions of orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] It will be understood that when one element (eg, a first element) is “connected” to another element (eg, a second element), the element may be directly connected to the other element or an intervening element (eg, a third element) may be present between the element and the other element.

[0025] The embodiment of the utility model provides a dovetail slide rail with adjustable fitting accuracy, such as Figure 1-4 As shown, the static slide rail 100 and the movable slide rail 200 are included. The static slide rail 100 includes a dovetail-shaped insert 110 located at the top thereof, and the bottom surface of the movable slide rail 200 is provided with a dovetail groove 210 adapted to the insert 110. The insert 110 is embedded in the dovetail groove 210 and slidably cooperates with the dovetail groove 210. The movable slide rail 200 can slide relative to the static slide rail 100, and the insert 110 slides relatively in the dovetail groove 210. The two side walls of the dovetail groove 210 are respectively opposite to the two side walls of the insert 110.

[0026] One side wall of the dovetail groove 210 is an adjustment wall 211 which is arranged obliquely relative to the sliding direction of the movable slide rail 200. Figure 3For example, when the movable slide 200 is observed along the sliding direction of the movable slide 200, the other end of the adjustment wall 211 can be observed, and the adjustment wall 211 forms a small angle with the sliding direction of the movable slide 200. The tension block 220 is arranged between the adjustment wall 211 and the insert 110, and the movable slide 200 is provided with an adjustment mechanism 230 at at least one end of the sliding direction thereof, and the adjustment mechanism 230 is connected to the tension block 220 and is used to adjust the position of the tension block 220 along the sliding direction of the movable slide 200. Since the adjustment wall 211 is arranged obliquely, when the position of the tension block 220 is adjusted along the sliding direction of the movable slide 200, the tension block 220 will be displaced in a direction perpendicular to the sliding direction of the movable slide 200, so as to be close to or away from the insert 110, thereby changing the tightness between the tension block 220 and the insert 110, and adjusting the fitting accuracy of the movable slide 200 and the static slide 100.

[0027] The adjustment wall 211 is also provided with a plurality of anti-deformation mechanisms 240 distributed along the sliding direction of the movable slide rail 200, and the anti-deformation mechanisms 240 abut against the elastic block 220 or are detachably connected with the elastic block 220. When the anti-deformation mechanism 240 abuts against the elastic block 220, it provides support and position limiting to the elastic block 220 from the outside of the elastic block 220, so that the elastic block 220 is not easily deformed, thereby improving the matching accuracy of the movable slide rail 200 and the static slide rail 100. When the anti-deformation mechanism 240 is detachably connected with the elastic block 220, the connection will provide better support and shaping effect, so that the elastic block 220 is less likely to deform, thereby improving the matching accuracy of the movable slide rail 200 and the static slide rail 100. At the same time, since the anti-deformation mechanism 240 can be detached from the elastic block 220, this does not affect the movement of the elastic block 220 along the sliding direction of the movable slide rail 200.

[0028] In some embodiments, the anti-deformation mechanism 240 includes an installation through hole 241 that penetrates to the outer surface of the movable slide rail 200 and an anti-deformation part (not shown in the figure) that is penetrated through the installation through hole 241. The anti-deformation part abuts against the elastic block 220 or is detachably connected to the elastic block 220, so that the anti-deformation part can support and shape the elastic block 220, thereby reducing the deformation of the elastic block 220.

[0029] At the same time, since the installation through hole 241 passes through the adjustment wall 211 to the outer surface of the movable slide rail 200, the anti-deformation component can be exposed on the outer surface of the movable slide rail 200 to facilitate adjustment from the outside without removing the movable slide rail 200 from the static slide rail 100.

[0030] Furthermore, the mounting through hole 241 is a strip hole extending along the sliding direction of the movable slide rail 200, and the anti-deformation member can move in the mounting through hole 241 along the sliding direction of the movable slide rail 200. The anti-deformation member is a screw rod, and a screw rod threaded hole matching the screw rod is provided on the side of the tension block 220 close to the adjustment wall 211, and the screw rod is connected to the screw rod threaded hole, thereby realizing a detachable connection between the screw rod and the tension block 220.

[0031] Since the tension block 220 can move along the sliding direction of the movable slide rail 200, the tension block threaded hole on the side of the tension block 220 will also change position in the sliding direction of the movable slide rail 200 accordingly, and the anti-deformation part can move in the installation through hole 241 along the sliding direction of the movable slide rail 200. This ensures that after the position of the tension block threaded hole changes, the screw can still be connected to the tension block threaded hole.

[0032] In some embodiments, the anti-deformation mechanism 240 is evenly distributed along the sliding direction of the movable slide rail 200, and the spacing between adjacent anti-deformation mechanisms 240 is equal, which has a relatively uniform supporting and shaping effect on the elastic block 220, and the elastic block 220 is difficult to have a large deformation.

[0033] In some embodiments, two adjustment mechanisms 230 are provided, and the two adjustment mechanisms 230 are respectively provided at the two ends of the movable slide rail 200 in its sliding direction. Both adjustment mechanisms 230 can adjust the position of the tension block 220 along the sliding direction of the movable slide rail 200, so that the operator can select one of them. At the same time, after the adjustment is in place, the two adjustment mechanisms 230 will respectively limit the tension block 220 from both ends of the tension block 220 in the sliding direction of the movable slide rail 200, so that the tension block 220 maintains the adjusted position.

[0034] Furthermore, the adjustment mechanism 230 includes an adjustment plate 231 fixed to the end of the movable slide rail 200 and an adjustment rod 232 arranged on the adjustment plate 231 , and the adjustment rod 232 is used to move the tension block 220 along the sliding direction of the movable slide rail 200 .

[0035] Furthermore, the adjusting rod 232 is connected to the adjusting plate 231 so as to rotate around the sliding direction of the movable slide rail 200, and the adjusting rod 232 is threadedly connected to the tension block 220, forming a principle similar to that of a screw rod. When the adjusting rod 232 is screwed, the cooperation between the adjusting rod 232 and the tension block 220 causes the tension block 220 to move along the sliding direction of the movable slide rail 200, thereby realizing the adjustment of the position of the tension block 220 along the sliding direction of the movable slide rail 200.

[0036] Of course, in other embodiments, the adjusting rod 232 can move relative to the adjusting plate 231 along the sliding direction of the movable slide rail 200, and the ends of the two adjusting rods 232 respectively abut against the two ends of the tension block 220. When the adjusting rod 232 moves relative to the adjusting plate 231 along the sliding direction of the movable slide rail 200, the position of the adjusting tension block 220 in the sliding direction of the movable slide rail 200 can be changed.

[0037] In some embodiments, a groove 114 is disposed on the top surface of the insert 110 . The existence of the groove 114 can reduce the material used for the insert 110 , thereby reducing the manufacturing cost of the entire product.

[0038] The terms and words used in the above description and claims are not limited to the literal meanings, but are only used by the applicant to enable a clear and consistent understanding of the utility model. Therefore, it should be clear to those skilled in the art that the above description of various embodiments of the utility model is provided only for illustration, and not for limiting the utility model as defined by the attached claims and their equivalents.

Claims

1. A dovetail slide rail with adjustable fitting accuracy, characterized in that: The invention comprises a static slide rail, a movable slide rail and an elastic block, wherein the static slide rail comprises a dovetail-shaped insert block at the top thereof, the bottom surface of the movable slide rail is provided with a dovetail groove matched with the insert block, the insert block is embedded in the dovetail groove and slidably cooperates with the dovetail groove; one side wall of the dovetail groove is an adjustment wall inclined relative to the sliding direction of the movable slide rail, the elastic block is arranged between the adjustment wall and the insert block, the movable slide rail is provided with an adjustment mechanism at least at one end in its sliding direction, the adjustment mechanism is connected to the elastic block and is used to adjust the position of the elastic block along the sliding direction of the movable slide rail; the adjustment wall is also provided with a plurality of anti-deformation mechanisms distributed along the sliding direction of the movable slide rail, the anti-deformation mechanism abuts against the elastic block or is detachably connected to the elastic block.

2. The dovetail slide rail with adjustable fitting accuracy according to claim 1, characterized in that: The anti-deformation mechanism comprises an installation through hole penetrating to the outer surface of the movable slide rail and an anti-deformation member penetrating in the installation through hole, wherein the anti-deformation member abuts against the elastic block or is detachably connected to the elastic block.

3. The dovetail slide rail with adjustable fitting accuracy according to claim 2, characterized in that: The mounting through hole is a strip hole extending along the sliding direction of the movable slide rail, and the anti-deformation component can move in the mounting through hole along the sliding direction of the movable slide rail; the anti-deformation component is a screw rod, and the side of the tension block close to the adjustment wall is provided with a tension block threaded hole adapted to the screw rod, and the screw rod is connected to the tension block threaded hole.

4. The dovetail slide rail with adjustable fitting accuracy according to claim 1, characterized in that: The anti-deformation mechanisms are evenly distributed along the sliding direction of the movable slide rail.

5. The dovetail slide rail with adjustable fitting accuracy according to any one of claims 1 to 4, characterized in that: The two adjusting mechanisms are provided, and the two adjusting mechanisms are respectively arranged at two ends of the movable slide rail in the sliding direction thereof.

6. The dovetail slide rail with adjustable fitting accuracy according to claim 5, characterized in that: The adjusting mechanism comprises an adjusting plate fixed on the end of the movable slide rail and an adjusting rod arranged on the adjusting plate, and the adjusting rod is used for moving the tension block along the sliding direction of the movable slide rail.

7. The dovetail slide rail with adjustable fitting accuracy according to claim 6, characterized in that: The adjusting rod is rotatably connected to the adjusting plate around the sliding direction of the slide rail, and the adjusting rod is threadedly connected to the tension block.

8. The dovetail slide rail with adjustable fitting accuracy according to any one of claims 1 to 4, characterized in that: The top surface of the insert is provided with a groove.

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