Sample cell rapid disassembly and assembly sealing structure

Abstract

The utility model provides a quick dismounting and mounting sealing structure for a sample cell. The quick dismounting and mounting sealing structure comprises a clamping block a, an eccentric wheel, an upper sealing body, a compression spring, a clamping block b, a wrench, a vertical plate a, a lower sealing seat, a clamping block c, a sample flow cell and a vertical plate b, the vertical plate a and the vertical plate b are supported to form a gap; the clamping block a, the eccentric wheel, the upper sealing body, the compression spring, the clamping block b, the lower sealing seat, the clamping block c and the sample flow cell are arranged in the gap; according to the utility model, the sample pool can be quickly disassembled, assembled and sealed only by rotating the handle, and the eccentric wheel rotates to a dead point in a pressing state, so that the sealing failure caused by the rotation of the eccentric wheel can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sample cell sealing, in particular to a quick disassembly and assembly sealing structure for a sample cell. Background Technique

[0002] The existing disassembly and assembly structure of the sample cell generally uses screw fixation to clamp the sealing gasket to the sample cell; there are problems such as difficult disassembly and assembly, time-consuming and laborious, and frequent disassembly is likely to cause faults such as thread slipping; the customer experience is very poor. Content of the Utility Model

[0003] The purpose of the utility model is to provide a quick disassembly and assembly sealing structure for a sample cell to solve the problems raised in the above background technique.

[0004] For the above purpose, the utility model provides the following technical solutions:

[0005] A quick disassembly and assembly sealing structure for a sample cell, comprising a clamping block a, an eccentric wheel, an upper sealing body, a compression spring, a clamping block b, a wrench, a vertical plate a, a lower sealing seat, a clamping block c, a sample flow cell and a vertical plate b;

[0006] The vertical plate a and the vertical plate b support to form a gap, and the clamping block a, the eccentric wheel, the upper sealing body, the compression spring, the clamping block b, the lower sealing seat, the clamping block c and the sample flow cell are all arranged in the gap;

[0007] The lower end of the clamping block a is provided with a concave circular notch for avoiding the eccentric wheel;

[0008] The eccentric wheel is arranged between the clamping block a and the upper sealing body, the upper end of the eccentric wheel is stuck in the concave circular notch, and the lower end abuts against the upper end face of the upper sealing body; and the upper sealing body is provided with ear seats on both sides;

[0009] The clamping block a is provided with screw holes corresponding to the vertical plate a and the vertical plate b, and the clamping block a is locked on the upper half parts of the vertical plate a and the vertical plate b through screws;

[0010] The lower end face of the upper sealing body is provided with an upper sealing gasket;

[0011] The clamping block b and the clamping block c are both rectangular prisms and are internally provided with compression springs, and the compression springs exposed at the upper ends abut against the bottoms of the ear seats of the upper sealing body;

[0012] The center of the clamping block c is provided with a clamping platform, and the lower end is an inwardly retracted insertion post;

[0013] The clamping block b and the clamping block c are provided with screw holes and are connected to the vertical plate a and the vertical plate b through screws;

[0014] The lower sealing seat is provided with screw holes corresponding to the vertical plate a and the vertical plate b, and the lower sealing seat is locked on the lower half parts of the vertical plate a and the vertical plate b through screws;

[0015] The cavity formed by the upper seal body and the lower seal seat for placing the sample flow cell;

[0016] A groove is provided at the upper end of the lower seal seat, and the lower gasket is arranged at the central position at the upper end of the groove;

[0017] The insertion post at the lower end of the clamping block c is inserted into one side of the groove in the lower seal seat;

[0018] The sample flow cell is inserted into the groove of the lower seal seat from one side of the cavity, one side contacts the side wall of the clamping block c, and the card slot at the upper end of the sample flow cell is stuck on the card table of the clamping block c;

[0019] The screw on the eccentric wheel passes through the round hole on the vertical plate a, and the wrench is connected to the eccentric shaft through a cylindrical pin;

[0020] By rotating the wrench to drive the eccentric wheel to rotate, the upper seal body is driven to move downward, so that the upper gasket and the lower gasket clamp the sample flow cell.

[0021] For the described quick-disassembly and assembly sealing structure of the sample cell, in its preferred embodiment, the materials of the upper gasket and the lower gasket are silicone rubber.

[0022] For the described quick-disassembly and assembly sealing structure of the sample cell, in its preferred embodiment, a round hole is axially provided below the card table of the clamping block c, and the sample flow cell is pushed out through a tool to avoid hand contact with the sample flow cell.

[0023] For the described quick-disassembly and assembly sealing structure of the sample cell, in its preferred embodiment, the sealing structure is provided with a water inlet and a water outlet, and the two water ports are connected to pipelines, and liquid is transported by a pump body.

[0024] For the described quick-disassembly and assembly sealing structure of the sample cell, in its preferred embodiment, when the eccentric wheel rotates to the position of the maximum compression amount and continues to rotate forward by 10° to enter the dead point, it is locked by the reaction force of the upper gasket and the lower gasket.

[0025] Working principle of a quick-disassembly and assembly sealing structure of a sample cell: When in the sealed state, the eccentric wheel rotates past the dead point by 10° and is locked by the acting force between the upper gasket and the lower gasket, and there will be no phenomenon that the eccentric wheel rotates reversely and loosens; Rotating the wrench in the reverse direction drives the eccentric wheel to rotate away from the upper seal body, and the upper seal body moves with the eccentric wheel under the drive of the compression spring, so that the upper seal body moves upward, the sample flow cell is loosened, the sample flow cell is pushed out through a tool, and the sample flow cell is taken out by pinching the upper and lower ends of the sample flow cell, so that the test surface will not be touched when taking out the sample flow cell.

[0026] Beneficial effects

[0027] The utility model can quickly disassemble, assemble and seal the sample cell only by rotating the handle. When in the pressed state, the eccentric wheel rotates to the dead center, which can prevent the sealing failure caused by the rotation of the eccentric wheel.

[0028] This technical solution can more conveniently disassemble, assemble and seal the sample cell; simplify the difficulty of use and operation time for the operator; and improve the customer experience at the same time. Brief Description of the Drawings

[0029] Figure 1 It is a schematic structural diagram of a quick disassembly, assembly and sealing structure of a sample cell;

[0030] Figure 2 It is a front three-dimensional view of a quick disassembly, assembly and sealing structure of a sample cell;

[0031] Figure 3 It is a back three-dimensional view of a quick disassembly, assembly and sealing structure of a sample cell;

[0032] Figure 4 It is a relaxation state diagram of a quick disassembly, assembly and sealing structure of a sample cell;

[0033] Figure 5 It is a clamping state diagram of a quick disassembly, assembly and sealing structure of a sample cell.

[0034] Among them, 1. clamping block a; 2. eccentric wheel; 3. upper sealing body; 4. compression spring; 5. clamping block b; 6. wrench; 7. cylindrical pin; 8. vertical plate a; 9. lower sealing seat; 10. clamping block c; 11. lower sealing gasket; 12. sample flow cell; 13. upper sealing gasket; 14. vertical plate b; 15. ear seat; 16. clamping platform; 17. inserting column; 18. groove; 19. round hole. Detailed Description of the Preferred Embodiments

[0035] The following will clearly and completely describe the present utility model in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0036] Please refer to the attached Figures 1-5 , a quick disassembly, assembly and sealing structure of a sample cell, including clamping block a1, eccentric wheel 2, upper sealing body 3, compression spring 4, clamping block b5, wrench 6, vertical plate a8, lower sealing seat 9, clamping block c10, sample flow cell 12 and vertical plate b14;

[0037] The vertical plate a8 and the vertical plate b14 support to form a gap, and the clamping block a1, the eccentric wheel 2, the upper sealing body 3, the compression spring 4, the clamping block b5, the lower sealing seat 9, the clamping block c10 and the sample flow cell 12 are all arranged in the gap;

[0038] The lower end of the clamping block a1 is provided with a concave circular notch for avoiding the eccentric wheel 2;

[0039] The eccentric wheel 2 is arranged between the clamping block a1 and the upper sealing body 3. The upper end of the eccentric wheel 2 is stuck in the concave circular notch, and the lower end abuts against the upper end surface of the upper sealing body 3; and the two sides of the upper sealing body 3 are provided with ear seats 15;

[0040] The clamping block a1 is provided with screw holes corresponding to the vertical plate a8 and the vertical plate b14, and the clamping block a1 is locked on the upper half parts of the vertical plate a8 and the vertical plate b14 through screws;

[0041] The lower end surface of the upper sealing body 3 is provided with an upper sealing gasket 13;

[0042] Both the clamping block b5 and the clamping block c10 are in the shape of rectangular prisms and are internally provided with compression springs 4, and the compression springs 4 exposed at the upper ends abut against the bottoms of the ear seats 15 of the upper sealing body 3;

[0043] The center of the clamping block 10c is provided with a clamping platform 16, and the lower end is an inwardly retracted inserting post 17;

[0044] The clamping block b5 and the clamping block c10 are provided with screw holes and are connected to the vertical plate a8 and the vertical plate b14 through screws;

[0045] The lower sealing seat 9 is provided with screw holes corresponding to the vertical plate a8 and the vertical plate b14, and the lower sealing seat 9 is locked on the lower half parts of the vertical plate a8 and the vertical plate b14 through screws;

[0046] The upper sealing body 3 and the lower sealing seat 9 form a cavity for placing the sample flow cell;

[0047] The upper end of the lower sealing seat 9 is provided with a groove 18, and the lower sealing gasket 11 is arranged at the center position of the upper end of the groove 18;

[0048] The inserting post 17 at the lower end of the clamping block c10 is inserted into one side of the groove 18 in the lower sealing seat 9;

[0049] The sample flow cell 12 is inserted into the groove 18 of the lower sealing seat 9 from one side of the cavity, one side contacts with the side wall of the clamping block c10, and the clamping groove at the upper end of the sample flow cell 12 is stuck on the clamping platform 17 of the clamping block c10;

[0050] The screw on the eccentric wheel 2 passes through the round hole on the vertical plate a8, and the wrench 6 is connected to the eccentric shaft 2 through a cylindrical pin 7;

[0051] By rotating the wrench 6 to drive the eccentric wheel 2 to rotate, the upper sealing body 3 is driven to move downward, so that the upper sealing gasket 13 and the lower sealing gasket 11 clamp the sample flow cell 12.

[0052] The upper gasket 13 and the lower gasket 11 are made of silicone rubber.

[0053] An axial circular hole 19 is provided below the clamping block c10 clamping platform 17. The sample flow cell 12 is pushed out by a tool to avoid hand contact with the sample flow cell 12.

[0054] The sealing structure is provided with a water inlet 20 and a water outlet 21. The two water ports are connected to pipelines, and liquid is transported by a pump body.

[0055] The eccentric wheel 2 rotates to the position of the maximum compression amount, and continues to rotate forward by 10° to enter the dead point, and is locked by the reaction forces of the upper gasket 13 and the lower gasket 11.

[0056] The working principle of a quick-disassembly and assembly sealing structure for a sample cell: When in the sealed state, the eccentric wheel rotates through the dead point by 10° and is locked by the acting forces of the upper gasket and the lower gasket, and there will be no phenomenon that the eccentric wheel rotates in the reverse direction and loosens; Rotating the wrench in the reverse direction drives the eccentric wheel to rotate away from the upper sealing body. The upper sealing body moves along with the eccentric wheel under the drive of the compression spring, so that the upper sealing body moves upward, the sample flow cell is loosened, the sample flow cell is pushed out by a tool, and the upper and lower ends of the sample flow cell are pinched and taken out, so that the test surface will not be touched and the sample flow cell is taken out.

[0057] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A sample pool quick disassembly and assembly sealing structure, characterized in that: It includes a clamping block a, an eccentric wheel, an upper sealing body, a compression spring, a clamping block b, a wrench, a vertical plate a, a lower sealing seat, a clamping block c, a sample flow cell and a vertical plate b; The vertical plate a and the vertical plate b are supported to form a gap, and the clamping block a, the eccentric wheel, the upper sealing body, the compression spring, the clamping block b, the lower sealing seat, the clamping block c and the sample flow cell are all arranged in the gap; The lower end of the clamping block a is provided with a concave circular notch for avoiding the eccentric wheel; The eccentric wheel is arranged between the clamping block a and the upper sealing body, the upper end of the eccentric wheel is clamped in the concave circular notch, and the lower end is in contact with the upper end surface of the upper sealing body; and ear seats are arranged on both sides of the upper sealing body; The clamping block a is provided with screw holes corresponding to the vertical plates a and b, and the clamping block a is locked to the upper parts of the vertical plates a and b by screws; An upper sealing gasket is provided on the lower end surface of the upper sealing body; The clamp block b and the clamp block c are rectangular columns and both have built-in compression springs, and the compression springs exposed at the upper ends press against the bottom of the ear seat of the upper sealing body; The center of the clamp block c is provided with a clamping platform, and the lower end is an inward-retracted plug column; The clamping blocks b and c are provided with screw holes and connected to the vertical plates a and b by screws; The lower sealing seat is provided with screw holes corresponding to the vertical plate a and the vertical plate b, and the lower sealing seat is locked to the lower half of the vertical plate a and the vertical plate b by screws; The upper sealing body and the lower sealing seat form a cavity for placing a sample flow cell; A groove is provided at the upper end of the lower sealing seat, and the lower sealing gasket is arranged at the center position of the upper end of the groove; The plug post at the lower end of the clamp block c is inserted into one side of the groove of the lower sealing seat; The sample flow cell is inserted into the groove of the lower sealing seat from one side of the cavity, one side is in contact with the side wall of the clamping block c, and the card slot at the upper end of the sample flow cell is clamped on the card platform of the clamping block c; The screw on the eccentric wheel passes through the circular hole on the vertical plate a, and the wrench is connected to the eccentric shaft through a cylindrical pin; The eccentric wheel is driven to rotate by turning the wrench, and the upper sealing body is driven to move downward, so that the upper sealing gasket and the lower sealing gasket clamp the sample flow cell.

2. A sample pool quick disassembly and assembly sealing structure according to claim 1, characterized in that: The upper sealing pad and the lower sealing pad are made of silicone rubber.

3. The sample pool quick disassembly and assembly sealing structure according to claim 1, characterized in that: A circular hole is axially arranged below the clamp block C card platform, and the sample circulation pool is pushed out by a tool to prevent users from touching the sample circulation pool with their hands.

4. The sample pool quick disassembly and assembly sealing structure according to claim 1, characterized in that: The sealing structure is provided with a water inlet and a water outlet, the two water inlets are connected to pipelines, and the pump body is used for liquid transportation.

5. The sample pool quick disassembly and assembly sealing structure according to claim 1, characterized in that: The eccentric wheel rotates to the maximum compression position, and then continues to rotate forward 10° to enter the dead point, and is locked by the reaction force of the upper sealing gasket and the lower sealing gasket.

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