A rapid application device for sample coupling agent

Abstract

This utility model relates to the field of indoor rock mechanics testing technology, and more particularly to a rapid sample coupling agent application device. The device includes a cylinder with a top cover and a liquid outlet platform at the bottom. A sponge application strip is positioned on the side of the liquid outlet platform, with the thickness of the sponge application strip being the same as the thickness of the side of the cylinder. The bottom end of the sponge application strip is flush with the bottom end of the liquid outlet platform. A viewing window is provided on the side of the cylinder. This utility model provides a rapid sample coupling agent application device that, through the liquid outlet platform and sponge application strip, achieves complete coverage of the coupling agent, avoiding missed areas. It also ensures uniform coating thickness, solving the problem of accumulation or insufficient thickness caused by uneven finger pressure, effectively eliminating air gaps between the specimen and the measuring instrument, and improving coating uniformity.

Description

Technical Field

[0001] This utility model relates to the field of indoor rock mechanics testing technology, and in particular to a rapid sample coupling agent application device. Background Technology

[0002] In the field of indoor rock mechanics testing equipment, the study of rock mechanics parameters has always been at the core and crucial level. The accuracy of rock mechanics parameter measurements directly affects the depth and breadth of our understanding of rock mechanics behavior. The interface contact problem between the specimen and the equipment is a key source of error (such as stress concentration and frictional constraints). Theoretically, compression tests require the specimen to be subjected to uniform axial force without lateral constraints. However, in reality, the specimen end face cannot be perfectly flat, and gaps exist when it contacts the indenter, causing pressure to concentrate on protruding parts. Direct contact between the specimen and the indenter also generates friction, constraining the lateral deformation of the specimen end face. Furthermore, in acoustic wave testing, if the probe is in direct contact with the rock, air gaps will cause more than 90% of the acoustic wave energy to be reflected, resulting in weak and distorted received signals. Coupling agents, by filling gaps and reducing friction, can make the actual stress state closer to the theoretical assumptions, and can also reduce acoustic wave reflection, achieving efficient energy transfer.

[0003] In the past, there have been many limitations in applying coupling agents. For example, using cotton swabs or fingers results in poor uniformity and low efficiency. The application process requires a lot of time and effort, which undoubtedly reduces the efficiency and accuracy of the experiment. Utility Model Content

[0004] Technical objective: In order to overcome the shortcomings of the existing technology, this utility model provides a rapid application device for sample coupling agent.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a sample coupling agent rapid application device, which includes a cylinder, a top cover is provided on the top of the cylinder, a liquid outlet platform is provided at the bottom of the cylinder, a sponge application strip is provided on the side of the liquid outlet platform, the thickness of the sponge application strip is the same as the thickness of the side of the cylinder, and the bottom end of the sponge application strip is flush with the bottom end of the liquid outlet platform; a viewing window is provided on the side of the cylinder.

[0006] Preferably, a knob is provided at the center of the top cover, a support base is provided coaxially at the bottom of the knob, and a threaded rod is provided coaxially at the other end of the knob, the threaded rod passing through the top cover.

[0007] Preferably, a piston plate is provided on the outer side of the threaded rod. The size of the piston plate is the same as the inner diameter of the cylinder. A pair of limiting grooves are symmetrically provided on both sides of the piston plate. A pair of vertical ribs are symmetrically provided on the side of the cylinder. The position of the vertical ribs corresponds to the position of the limiting grooves, and the vertical ribs are engaged in the limiting grooves.

[0008] Preferably, a limit block is provided at the bottom end of the threaded rod, and the limit block is located above the liquid outlet platform.

[0009] Preferably, the liquid outlet platform is provided with multiple ball seats, each ball seat has a liquid outlet groove coaxially arranged in it, a ball is arranged inside the lower part of the liquid outlet groove, and a limiting platform is provided at the bottom of the ball seat, the width of the limiting platform being smaller than the diameter of the ball.

[0010] Preferably, the bottom of the top cover is provided with a connecting thread, and the size of the connecting thread is the same as the inner diameter of the cylinder.

[0011] The beneficial effects of this utility model are as follows: 1. The sample coupling agent rapid application device provided by this utility model achieves full coverage of the coupling agent by setting up a liquid outlet groove and a sponge application strip, avoiding the problem of missed application, while making the coupling agent application thickness uniform, solving the problem of accumulation or insufficient thickness caused by uneven finger force, effectively eliminating the air gap between the specimen and the measuring instrument, and improving the uniformity of application.

[0012] 2. The present invention provides a rapid sample coupling agent application device, which enables the device to apply the coupling agent as needed, accurately control the amount of coupling agent used, reduce waste caused by applying too much and repeated operations caused by applying too little, significantly shorten the single application time, improve the work efficiency in the test preparation stage, and improve the operational efficiency.

[0013] 3. The present invention provides a sample coupling agent rapid application device, which, by setting a top cover and a threaded rod, can reduce the number of times the tool is inserted into the coupling agent container to scoop it out, prevent rock powder and oil stains on the rock surface from mixing into the coupling agent, avoid its sedimentation and agglomeration, slow down the aging phenomenon caused by oxidation or moisture evaporation, extend the effective service life of the coupling agent, ensure the stability of the coupling agent performance, and avoid coupling agent contamination. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a rapid sample coupling agent application device according to the present invention;

[0015] Figure 2 This is a bottom view of a sample coupling agent rapid application device according to the present invention;

[0016] Figure 3 This is a partial structural diagram of a sample coupling agent rapid application device according to the present invention;

[0017] Figure 4 This is a cross-sectional view of a sample coupling agent rapid application device according to the present invention.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Cylinder body; 11. Viewing window; 12. Top cover; 13. Vertical rib; 14. Sponge coating strip; 2. Connecting thread; 3. Knob; 31. Support base; 32. Threaded rod; 33. Piston plate; 34. Limiting groove; 35. Limiting block; 4. Dispensing platform; 41. Ball seat; 42. Dispensing groove; 43. Ball bearing; 44. Limiting platform. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 1 To be continued Figure 4 The principles and features of this utility model are described, and the examples given are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0021] Please see Figures 1-4 A rapid application device for a sample coupling agent includes a cylinder 1, a top cover 12 at the top of the cylinder 1, a liquid outlet platform 4 at the bottom of the cylinder 1, and a sponge application strip 14 on the side of the liquid outlet platform 4. The thickness of the sponge application strip 14 is the same as the thickness of the side of the cylinder 1, and the bottom end of the sponge application strip 14 is flush with the bottom end of the liquid outlet platform 4. A viewing window 11 is provided on the side of the cylinder 1. The inside of the cylinder 1 is hollow and used to hold the coupling agent. The top cover 12 and the liquid outlet platform 4 seal both ends of the cylinder 1. The liquid outlet platform 4 discharges the coupling agent from the cylinder 1, and the sponge application strip 14 spreads the discharged coupling agent evenly on the rock surface. The remaining amount of coupling agent inside the cylinder 1 can be observed at any time through the viewing window 11.

[0022] Please see Figures 1-4 A knob 3 is provided at the center of the top cover 12. A support base 31 is coaxially provided at the bottom of the knob 3. A threaded rod 32 is coaxially provided at the other end of the knob 3, and the threaded rod 32 passes through the top cover 12. The knob 3 is separated from the top of the top cover 12 through the support base 31. The knob 3 is rotatably connected to the support base 31. The knob 3 rotates above the support base 31, thereby making the knob 3 rotate independently of the cylinder 1. By rotating the knob 3, the threaded rod 32 is driven to rotate synchronously inside the cylinder 1.

[0023] Please see Figures 1-4 A piston plate 33 is provided on the outer side of the threaded rod 32. The size of the piston plate 33 is the same as the inner diameter of the cylinder 1. A pair of limiting grooves 34 are symmetrically arranged on both sides of the piston plate 33. A pair of vertical ribs 13 are symmetrically arranged on the side of the cylinder 1. The position of the vertical ribs 13 corresponds to the position of the limiting grooves 34, and the vertical ribs 13 are engaged in the limiting grooves 34. By rotating the threaded rod 32, the piston plate 33 is driven to move inside the cylinder 1. Through the cooperation of the vertical ribs 13 and the limiting grooves 34, the threaded rod 32 drives the piston plate 33 to move vertically inside the cylinder 1 during rotation, squeezing the coupling agent inside the cylinder 1 and discharging the coupling agent from the outlet platform 4.

[0024] Please see Figures 1-4 A limiting block 35 is provided at the bottom end of the threaded rod 32, and the limiting block 35 is located above the liquid outlet platform 4; the bottom of the threaded rod 32 is sealed by the limiting block 35 to prevent the piston plate 33 from detaching from the threaded rod 32 during rotation.

[0025] Please see Figures 1-4 The dispensing platform 4 is provided with multiple ball seats 41, and a dispensing groove 42 is coaxially arranged in the ball seat 41. A ball bearing 43 is arranged inside the lower part of the dispensing groove 42. A limiting platform 44 is provided at the bottom end of the ball seat 41. The width of the limiting platform 44 is smaller than the diameter of the ball bearing 43. The coupling agent is discharged outward from the dispensing groove 42 in the ball seat 41 by the pressure of the piston plate 33. When applying, the ball bearing 43 contacts the sample surface. As the hand moves, the ball bearing 43 rolls in the ball seat. The ball bearing 43 picks up the coupling agent in the dispensing groove 42 and carries it out to the sample surface through the gap between the ball bearing 43 and the dispensing groove 42. The limiting platform 44 restricts the ball bearing 43 inside the dispensing groove 42.

[0026] Please see Figures 1-4 The bottom of the top cover 12 is provided with a connecting thread 2, the size of which is the same as the inner diameter of the cylinder 1; the top cover 12 is connected to the cylinder 1 through the connecting thread 2.

[0027] During use, first unscrew the top cover 12 and rotate the knob 3 to move the piston plate 33 to the top of the cylinder 1, inject the coupling agent, screw the top cover 12 back on, and start the formal coating work. First, rotate the knob 3, which drives the threaded rod 32 to rotate. The piston plate 33 is restricted from rotating by the vertical rib 13 on the inner wall of the cylinder 1 and moves downward to squeeze the coupling agent, so that the coupling agent is squeezed into the liquid outlet platform 4. Then, place the device on the sample surface and coat it. During coating, the ball 43 at the bottom contacts the sample surface. As the hand moves, the ball 43 rolls in the ball seat 41. At this time, the ball 43 picks up the coupling agent in the liquid outlet 42 and carries it out to the sample surface from the gap between the liquid outlet 42 and the ball 43. The sponge coating strip 14 will further smooth out the areas that are coated too thickly or not coated, so as to achieve uniform coating of the coupling agent.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rapid application device for a sample coupling agent, comprising a cylinder (1), characterized in that: The top of the cylinder (1) is provided with a top cover (12), the bottom of the cylinder (1) is provided with a liquid outlet platform (4), the side of the liquid outlet platform (4) is provided with a sponge applicator (14), the thickness of the sponge applicator (14) is the same as the thickness of the side of the cylinder (1), and the bottom end of the sponge applicator (14) is flush with the bottom end of the liquid outlet platform (4); the side of the cylinder (1) is provided with a viewing window (11).

2. The rapid application device for sample coupling agent according to claim 1, characterized in that: A knob (3) is provided at the center of the top cover (12). A support base (31) is provided coaxially at the bottom of the knob (3). A threaded rod (32) is provided coaxially at the other end of the knob (3). The threaded rod (32) passes through the top cover (12).

3. The rapid application device for sample coupling agent according to claim 2, characterized in that: A piston plate (33) is provided on the outer side of the threaded rod (32). The size of the piston plate (33) is the same as the inner diameter of the cylinder (1). A pair of limiting grooves (34) are symmetrically provided on both sides of the piston plate (33). A pair of vertical ribs (13) are symmetrically provided on the side of the cylinder (1). The position of the vertical ribs (13) corresponds to the position of the limiting grooves (34). The vertical ribs (13) are engaged in the limiting grooves (34).

4. The rapid application device for sample coupling agent according to claim 3, characterized in that: The bottom end of the threaded rod (32) is provided with a limiting block (35), which is located above the liquid outlet platform (4).

5. The rapid application device for sample coupling agent according to claim 4, characterized in that: The liquid outlet platform (4) is provided with multiple ball seats (41), and a liquid outlet groove (42) is coaxially provided in the ball seat (41). A ball (43) is provided inside the lower part of the liquid outlet groove (42). A limiting platform (44) is provided at the bottom of the ball seat (41). The width of the limiting platform (44) is smaller than the diameter of the ball (43).

6. The rapid application device for sample coupling agent according to claim 5, characterized in that: The bottom of the top cover (12) is provided with a connecting thread (2), the size of which is the same as the inner diameter of the cylinder (1).

Images