Adjustable clamp for shrinkage and expansion instrument

Abstract

The utility model provides an adjustable clamp for shrinkage and expansion instruments, which relates to the field of clamping technology, including a base plate, a movable groove is provided inside the base plate, a positive and negative screw rod is sleeved inside the movable groove, a movable block is rotatably connected to the outer surface of the positive and negative screw rod, a groove is provided inside the movable block, and a rotating groove is provided inside the groove. The utility model, by providing the base plate, movable groove, positive and negative screw rod, movable block, groove, rotating groove, rotating plate, sliding groove, fixed rod, movable clamp block, rotating wheel, fixed groove and other structures, when the equipment is clamped, the rotating wheel and movable clamp block are provided to clamp and fix, thereby improving the fixing effect of the equipment, and at the same time, the equipment can be quickly fixed to increase the working efficiency of the equipment, and the positive and negative screw rods can be provided to adjust the clamping and fixing according to the size of the placed equipment, thereby increasing the adaptability of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping, in particular to an adjustable clamp for a shrinkage and expansion instrument. Background Art

[0002] Adjustable clamps can ensure that the sample is evenly and firmly fixed to the test equipment, thereby improving the accuracy and repeatability of the test. By adjusting the clamp, the sample can be ensured to be in the ideal position and state, thus avoiding errors caused by unstable samples. Adjustable clamps are usually designed to be easy to operate and adjust, and users can quickly and easily adjust the clamp to accommodate different sample sizes and shapes. This can save time and improve the efficiency of experimental operations. Publication number: CN218612851U discloses a clamp, a base, the top surface of the base is provided with two sliding grooves, the top surface of the base is provided with a mounting groove, the mounting groove and the sliding groove are in the same horizontal plane, one side is provided with a fixing hole, and the inner wall surface of the mounting groove is provided with a fixing groove. The sliding groove can reduce the friction resistance of the clamp during operation, and the clamp will not shake left and right when clamping the workpiece, making the clamp more stable, thereby improving the operation efficiency of the clamp, and the bearing can support the rotation of the bidirectional screw rod, reducing the friction coefficient during the movement of the bidirectional screw rod, so that the staff can save more effort when turning the bidirectional screw rod, and the rubber pad can protect the integrity of the workpiece when clamping the workpiece. By setting a pressing block, the pressing block can clamp the workpiece up and down, and can fix other workpieces in many ways, thereby improving the stability of the clamping. However, as for the above-mentioned device, when the device is clamped, the device is fixed by two plates, and the fixing effect is not good. At the same time, when clamping and fixing, it cannot be adjusted according to the size, which needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: an adjustable clamp for a shrinkage and expansion instrument, comprising a base plate, a movable groove is provided inside the base plate, a positive and negative screw rods are sleeved inside the movable groove, a movable block is rotatably connected to the outer surface of the positive and negative screw rods, a groove is provided inside the movable block, a rotating groove is provided inside the groove, a rotating plate is sleeved inside the rotating groove, a sliding groove is provided on the surface of the rotating plate, a fixing rod is inserted inside the sliding groove, a movable clamping block is fixedly installed on the rear end of the fixing rod, a rotating wheel is fixedly installed on the rear end of the rotating plate, a fixing groove is provided inside the rotating wheel, a placing block is fixedly installed on the rear end of the movable block, a sliding groove is provided inside the placing block, a fixed block is sleeved inside the sliding groove, a limiting tube is inserted inside the placing block, and a tension spring is sleeved on the outer surface of the limiting tube.

[0005] Preferably, the surface of the movable clamp block is provided with an anti-slip strip. Here, by providing the anti-slip strip, the fixing effect of the device on the shrinkage and expansion instrument can be increased.

[0006] Preferably, a pull block is fixedly installed on the surface of the fixed block. Here, by providing the pull block, it is convenient for the staff to fix the rotating wheel.

[0007] Preferably, one end of the tension spring is connected to the surface of the placement block, and the other end of the tension spring is connected to the surface of the limiting tube. Here, by connecting the tension spring to the placement block and the limiting tube, the fixing effect of the limiting tube on the fixing block can be increased.

[0008] Preferably, a supporting bottom block is fixedly installed at the bottom end of the bottom plate. Here, by providing the supporting bottom block, it is convenient to place the equipment.

[0009] Preferably, the bottom end of the bottom plate is provided with an insertion slot, the inside of the insertion slot is rotatably connected with a placement column, the bottom end of the placement column is fixedly installed with a suction cup, the inside of the suction cup is provided with an insertion hole, the inside of the placement column is provided with a moving rod, the outer surface of the moving rod is sleeved with a spring, the surface of the placement column is provided with a guide slot, and the surface of the placement column is provided with an air outlet. Here, by providing a suction cup, the device can be quickly fixed when placed on a workbench or desktop, increasing the convenience of the device.

[0010] Preferably, one end of the spring is connected to the inner surface of the placement column. Here, by arranging the spring to be connected to the placement column, the spring can increase the rebound and mobility of the moving rod.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, by arranging the bottom plate, movable groove, positive and negative screw rods, movable block, groove, rotating groove, rotating plate, sliding groove, fixed rod, movable clamp block, rotating wheel, fixed groove and other structures, when the equipment is clamped, the rotating wheel and movable clamp block are arranged to clamp and fix the equipment, thereby improving the fixing effect of the equipment, and at the same time, the equipment can be fixed quickly and the working efficiency of the equipment can be increased. By arranging the positive and negative screw rods, the clamping and fixing can be adjusted according to the size of the placed equipment, thereby increasing the adaptability of the equipment.

[0013] 2. In the utility model, by providing the insertion slot, placement column, suction cup, insertion hole, moving rod, spring, guide slot, air outlet and other structures, when the device needs to be placed on a workbench or desktop for use, by providing the placement column and suction cup, the device can be quickly fixed at the placement location to prevent the device from sliding or shaking during use, thereby improving the fixing effect and practical effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an adjustable clamp for a shrinkage and expansion instrument;

[0015] Figure 2 The utility model provides an exploded structural diagram of an adjustable clamp for a shrinkage and expansion instrument;

[0016] Figure 3 The utility model provides a schematic diagram of the structure of an adjustable clamp for a shrinkage and expansion instrument from a bottom view;

[0017] Figure 4 The utility model proposes an adjustable clamp for shrinkage and expansion instrument Figure 2 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Bottom plate; 2. Moving groove; 3. Positive and negative screw rods; 4. Moving block; 5. Groove; 6. Rotating groove; 7. Rotating plate; 8. Sliding groove; 9. Fixed rod; 10. Moving clamp; 11. Rotating wheel; 12. Fixed groove; 13. Placement block; 14. Sliding groove; 15. Fixed block; 16. Limiting tube; 17. Tension spring; 18. Anti-slip strip; 19. Pull block; 20. Support bottom block; 21. Insertion groove; 22. Placement column; 23. Suction cup; 24. Insertion hole; 25. Moving rod; 26. Spring; 27. Guide groove; 28. Air outlet. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-4 The utility model provides a technical solution: an adjustable shrinkage and expansion instrument clamp, comprising a bottom plate 1, a moving groove 2 is provided inside the bottom plate 1, a positive and negative screw rod 3 is sleeved inside the moving groove 2, a moving block 4 is rotatably connected to the outer surface of the positive and negative screw rod 3, a groove 5 is provided inside the moving block 4, a rotating groove 6 is provided inside the groove 5, a rotating plate 7 is sleeved inside the rotating groove 6, a sliding groove 8 is provided on the surface of the rotating plate 7, a fixing rod 9 is inserted inside the sliding groove 8, a moving clamp 10 is fixedly installed at the rear end of the fixing rod 9, a rotating wheel 11 is fixedly installed at the rear end of the rotating plate 7, a fixing groove 12 is provided inside the rotating wheel 11, and a moving block 4 is provided at the rear end of the rotating plate 7. A placement block 13 is fixedly installed at the rear end, a slide groove 14 is provided inside the placement block 13, a fixed block 15 is sleeved inside the slide groove 14, a limiting tube 16 is inserted inside the placement block 13, and a tension spring 17 is sleeved on the outer surface of the limiting tube 16. By rotating the rotating wheel 11, the rotating wheel 11 rotates to drive the rotating plate 7 to rotate, and then the rotating plate 7 rotates to drive the fixing rod 9 to move, and the fixing rod 9 moves to drive the moving clamping block 10 to move, so that the clamping and fixing can be performed, and then the limiting tube 16 is pulled to disengage from the fixing block 15 through the limiting tube 16, and the fixing block 15 is pushed to move, and the fixing block 15 is inserted into the fixing groove 12, so that the rotating wheel 11 can be fixed.

[0024] See also Figure 1-4 The surface of the movable clamping block 10 is provided with an anti-slip strip 18. By setting the anti-slip strip 18, the fixation of the shrinkage and expansion instrument can be increased. The surface of the fixed block 15 is fixedly installed with a pull block 19. By setting the pull block 19, it is convenient for the staff to fix the rotating wheel 11. One end of the tension spring 17 is connected to the surface of the placement block 13, and the other end of the tension spring 17 is connected to the surface of the limiting tube 16. The bottom end of the bottom plate 1 is fixedly installed with a supporting bottom block 20, and one end of the spring 26 is connected to the inner surface of the placement column 22.

[0025] Embodiment 2

[0026] See also Figure 1-3A plug-in groove 21 is provided inside the bottom end of the bottom plate 1, and a placement column 22 is rotatably connected inside the plug-in groove 21. A suction cup 23 is fixedly installed at the bottom end of the placement column 22, and an plug-in hole 24 is provided inside the suction cup 23. A moving rod 25 is inserted inside the placement column 22, and a spring 26 is sleeved on the outer surface of the moving rod 25. A guide groove 27 is provided on the surface of the placement column 22, and an air outlet 28 is provided on the surface of the placement column 22. By pressing the moving rod 25, the moving rod 25 moves to drive the spring 26 to perform an extrusion movement, and then the moving rod 25 moves to contact the surface of the insertion hole 24, and then the moving rod 25 is rotated to fix the moving rod 25, and at the same time, the suction cup 23 is adsorbed on the placement position.

[0027] Working principle: When the staff uses the equipment, first, the shrinkage and expansion instrument is brought into contact with the inner surface of the equipment surface, and then the positive and negative screws 3 are rotated, and the moving block 4 is driven to move by the rotation of the positive and negative screws 3, and then the moving block 4 is brought into contact with the surface of the shrinkage and expansion instrument, and then the rotating wheel 11 is rotated, and the rotating plate 7 is driven to rotate by the rotation of the rotating wheel 11, and then the rotating plate 7 is driven to move by the rotation of the fixed rod 9, and then the fixed rod 9 is moved to drive the moving clamping block 10 to move, and then the clamping and fixing can be performed, and then the limiting tube 16 is pulled, and the limiting tube 16 is separated from the fixed block 15, and then it is brought into contact with the surface of the pulling block 19, and then the pulling block 19 is pulled, and then the pulling block 19 is pulled, and then the fixing block 15 is pulled. The movement of the pulling block 19 drives the fixed block 15 to move, and then the fixed block 15 is inserted into the fixed groove 12 to fix the rotating wheel 11. When the staff needs to operate the shrinkage and expansion instrument on the workbench or desktop, it is first connected to the surface of the placement column 22, and then the placement column 22 is rotated to fix the placement column 22 in the insertion groove 21, and then the equipment is placed at the placement location, and then the moving rod 25 is pressed, and the movement of the moving rod 25 drives the spring 26 to perform an extrusion movement, and then the moving rod 25 is moved to make the moving rod 25 contact with the surface of the insertion hole 24, and then the moving rod 25 is rotated to adsorb the suction cup 23 on the surface of the placement location for fixation.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An adjustable shrinkage and expansion instrument holder, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a movable groove (2), the movable groove (2) is sleeved with a forward and reverse screw rod (3), the outer surface of the forward and reverse screw rod (3) is rotatably connected with a movable block (4), the movable block (4) is provided with a groove (5), the groove (5) is provided with a rotating groove (6), the rotating groove (6) is sleeved with a rotating plate (7), the rotating plate (7) is provided with a sliding groove (8) on its surface, the sliding groove (8) is inserted with a fixing rod (9), the fixing rod (9) is provided with a plurality of movable grooves (5) and a plurality of movable grooves (6) are provided. ) is fixedly installed with a moving clamping block (10) at the rear end, a rotating wheel (11) is fixedly installed at the rear end of the rotating plate (7), a fixing groove (12) is provided inside the rotating wheel (11), a placing block (13) is fixedly installed at the rear end of the moving block (4), a sliding groove (14) is provided inside the placing block (13), a fixing block (15) is sleeved inside the sliding groove (14), a limiting tube (16) is inserted inside the placing block (13), and a tension spring (17) is sleeved on the outer surface of the limiting tube (16).

2. The adjustable shrinkage and expansion instrument holder according to claim 1, characterized in that: The surface of the movable clamping block (10) is provided with an anti-slip strip (18).

3. The adjustable shrinkage and expansion instrument holder according to claim 1, characterized in that: A pulling block (19) is fixedly mounted on the surface of the fixing block (15).

4. The adjustable shrinkage and expansion instrument holder according to claim 1, characterized in that: One end of the tension spring (17) is connected to the surface of the placement block (13), and the other end of the tension spring (17) is connected to the surface of the limiting tube (16).

5. The adjustable shrinkage and expansion instrument holder according to claim 1, characterized in that: A supporting bottom block (20) is fixedly mounted on the bottom end of the bottom plate (1).

6. The adjustable shrinkage and expansion instrument holder according to claim 1, characterized in that: An insertion groove (21) is provided inside the bottom end of the base plate (1), a placement column (22) is rotatably connected inside the insertion groove (21), a suction cup (23) is fixedly installed at the bottom end of the placement column (22), an insertion hole (24) is provided inside the suction cup (23), a moving rod (25) is inserted inside the placement column (22), a spring (26) is sleeved on the outer surface of the moving rod (25), a guide groove (27) is provided on the surface of the placement column (22), and an air outlet hole (28) is provided on the surface of the placement column (22).

7. The adjustable shrinkage and expansion instrument holder according to claim 6, characterized in that: One end of the spring (26) is connected to the inner surface of the placement column (22).

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