Knob switch for solubility dispersive insoluble substance testing machine

By designing the knob switch for dissolving degree decentralized insoluble test machines, the problem that requires a wrench to regulate the ball valve regulation, and realize a more stable, beautiful and convenient vacuum pump suction control.

CN222416307UActive Publication Date: 2025-01-28SHANGHAI CHIYING EXPERIMENTAL EQUIP CO LTD
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Patent Information

Application Number
CN202421313180.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-01-28
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

In the existing solubility dispersible insoluble test machines, a wrench is required to adjust the ball valve, which causes the device to be unsightly and the exposed wrench to be easily touched by mistake, affecting the test effect.

Method used

Design a knob switch for dissolving degree dispersible insoluble test machines, fix the ball valve inside the chassis by setting the fixed card parts, and use the same structure of the ball valve and knob to control the opening of the ball valve through the rotor to achieve the right to achieve the pair of pairs. The controllability of vacuum pump pumping power.

Benefits of technology

Improve the stability and aesthetics of the knob switch, avoid the error of the wrench, simplify the adjustment of the vacuum pump pumping power, and improve the appearance and convenience of the test machine.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222416307U_ABST
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Abstract

The utility model relates to the technical field of solubility testing machines, and discloses a knob switch for a solubility dispersive insoluble substance testing machine, which is arranged at the front end of a testing machine body, a case is arranged at the upper end of the testing machine body, a vacuum meter is arranged at the front end of the case, a vacuum pump is arranged in the case, and the vacuum meter is connected with the vacuum pump. The input end of the vacuum pump is fixedly connected with a connecting pipe, and the outer side of the connecting pipe is fixedly connected with a first ball valve and a second ball valve. According to the knob switch for the solubility dispersive insoluble substance testing machine, the limiting piece is in contact with the upper end of the limiting seat in the initial state, the second ball valve is in a closed state at the moment, when suction force of a vacuum pump needs to be adjusted, the rotating handle is rotated clockwise to drive the connecting piece and the valve rod to rotate till the connecting piece rotates by 90 degrees, and then the second ball valve is closed. At the moment, the connecting piece makes contact with the right side of the limiting base, the second ball valve is in the maximum opening state, adjustment is convenient, compared with a traditional ball valve wrench type switch, the rotating handle is more exquisite and attractive, and the appearance attractiveness of the testing machine body is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of solubility testing machines, in particular to a knob switch used for a solubility dispersion insoluble matter testing machine. Background Art

[0002] The solubility, dispersibility and insoluble matter testing machine is an experimental device used to evaluate the solubility, dispersibility and insoluble matter content of a substance in a liquid. It can be used in a laboratory environment to conduct research and analysis in the fields of chemistry, pharmacy, food science, etc. The solubility, dispersibility and insoluble matter testing machine usually requires the use of a vacuum pump for testing.

[0003] A ball valve is required for adjusting the vacuum pump, and a wrench is usually required for flow adjustment. The shape of the wrench is not beautiful enough, and the wrench is exposed on the outside of the testing machine, which is easy to be accidentally touched and affect the test results. Therefore, a knob switch for a solubility, dispersibility and insoluble matter testing machine is proposed. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a knob switch for a solubility, dispersibility and insoluble matter testing machine, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a knob switch for a solubility, dispersibility and insoluble matter testing machine, which is arranged at the front end of the testing machine body, a machine box is arranged at the upper end of the testing machine body, a vacuum gauge is arranged at the front end of the machine box, a vacuum pump is arranged inside the machine box, a connecting pipe is fixedly connected to the input end of the vacuum pump, a ball valve 1 and a ball valve 2 are fixedly connected to the outside of the connecting pipe, a high and low valve knob and a switch valve knob are arranged at the front end of the machine box, and a fixing clamp is fixedly connected to the inner wall of the machine box;

[0006] The second ball valve comprises a valve body, a valve stem and a limit seat, the front end of the valve body is provided with a valve stem, and the front end of the valve body is welded and connected to the limit seat;

[0007] The switch valve knob includes a positioning sleeve, a rotating shaft, a rotating handle, a connecting piece and a limiting piece. The positioning sleeve is rotatably connected to the rotating shaft at the center, the rotating shaft is fixedly connected to the rotating handle at the front end, the rotating shaft is fixedly connected to the connecting piece at the rear end, and the connecting piece is fixedly connected to the limiting piece on the left side.

[0008] Preferably, the ball valve 1 and the ball valve 2 are both fixedly connected to the chassis via a fixing clamp, and the fixing clamp is composed of two "Z"-shaped clamps.

[0009] Through the above technical solution, a fixing clamp is provided to fix ball valve 1 and ball valve 2 inside the chassis, thereby improving the stability of the high and low valve knobs and the switch valve knobs.

[0010] Preferably, the ball valve 1 and the ball valve 2 have the same structure, and the high-low valve knob and the on-off valve knob have the same structure.

[0011] Through the above technical solution, the ball valve 1, the ball valve 2, the high-low valve knob and the on-off valve knob with the same structure are provided. The high-low valve knob and the on-off valve knob cooperate with each other to improve the controllability of the suction force of the vacuum pump.

[0012] Preferably, the positioning sleeve is fixedly connected to the chassis, and five notches are provided on the outer side of the rotating handle.

[0013] Through the above technical solution, the rotating handle is provided. By rotating the rotating handle, the suction force of the vacuum pump can be controlled, which is more beautiful than the traditional ball valve wrench-type switch.

[0014] Preferably, the front end of the rotating shaft and the connecting member is locked and connected by a bolt, and the rear end of the valve stem and the connecting member is locked and connected by a bolt.

[0015] Through the above technical solution, the connecting member is provided to fixedly connect the rotating shaft and the valve stem. By rotating the rotating handle, through the transmission of the connecting member, the valve stem is driven to rotate, thereby controlling the opening degree of the ball valve 2.

[0016] Preferably, the cross section of the connecting member is in a "U" shape, and the limiting member is perpendicular to the connecting member.

[0017] Through the above technical solution, the limiting member is provided to cooperate with the limiting seat to limit the on-off valve knob.

[0018] Preferably, the vertical cross section of the limiting seat is in a rectangular shape.

[0019] Through the above technical solution, in the initial state, the limiting member is in contact with the upper end of the limiting seat. At this time, the ball valve 2 is in the closed state. When it is necessary to adjust the suction force of the vacuum pump, rotate the rotating handle clockwise to drive the connecting member and the valve stem to rotate until the connecting member rotates °. At this time, the connecting member is in contact with the right side of the limiting seat, and the ball valve 2 is in the maximum opening state, which is convenient to adjust.

[0020] Compared with the prior art, the present invention provides a knob switch for a solubility dispersibility insoluble matter testing machine, which has the following beneficial effects:

[0021] 1. The knob switch for the solubility, dispersibility and insoluble matter testing machine is provided with a fixing clamp to fix the ball valve 1 and the ball valve 2 inside the chassis, improve the stability of the high and low valve knob and the switch valve knob, and set the ball valve 1, the ball valve 2 and the high and low valve knob and the switch valve knob with the same structure. The high and low valve knob and the switch valve knob cooperate with each other to improve the controllability of the vacuum pump suction force. A limiter is provided. In the initial state, the limiter contacts the upper end of the limit seat. At this time, the ball valve 2 is in a closed state. When the suction force of the vacuum pump needs to be adjusted, the handle is turned clockwise to drive the connecting piece and the valve stem to rotate until the connecting piece rotates 90°. At this time, the connecting piece contacts the right side of the limit seat, and the ball valve 2 is in a maximum opening state, which is convenient for adjustment.

[0022] 2. The knob switch used for the solubility, dispersibility and insoluble matter testing machine is provided with a turning handle. By turning the turning handle, the valve stem is driven to rotate through the transmission of the connecting piece, thereby controlling the opening of the second ball valve and the suction force of the vacuum pump. Compared with the traditional ball valve wrench-type switch, it is more refined and beautiful, and improves the appearance of the testing machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an enlarged structural diagram of the chassis, ball valve 1 and switch valve knob of the utility model;

[0024] Figure 2 This is an enlarged structural diagram of the testing machine body and the switch valve knob of the utility model;

[0025] Figure 3 This is an enlarged structural diagram of the switch valve knob and the high and low valve knob of the utility model;

[0026] Figure 4 This is an enlarged structural diagram of the ball valve 2 and the switch valve knob of the utility model;

[0027] Figure 5 It is a schematic diagram of the disassembled structure of the ball valve 2 and the switch valve knob of the utility model.

[0028] Among them: 1. Testing machine body; 2. Chassis; 3. Vacuum gauge; 4. Vacuum pump; 5. Connecting pipe; 6. Ball valve one; 7. High and low valve knob; 8. Ball valve two; 801. Valve body; 802. Valve stem; 803. Limit seat; 9. Switch valve knob; 901. Positioning sleeve; 902. Rotating shaft; 903. Rotating handle; 904. Connecting piece; 905. Limit piece; 10. Fixing fixture. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1: Figure 1-5 As shown, the utility model provides a knob switch for a solubility, dispersibility and insoluble matter testing machine, which is arranged at the front end of the testing machine body 1, a chassis 2 is arranged at the upper end of the testing machine body 1, a vacuum gauge 3 is arranged at the front end of the chassis 2, a vacuum pump 4 is arranged inside the chassis 2, a connecting pipe 5 is fixedly connected to the input end of the vacuum pump 4, a ball valve 1 6 and a ball valve 2 8 are fixedly connected to the outside of the connecting pipe 5, a high and low valve knob 7 and a switch valve knob 9 are arranged at the front end of the chassis 2, and a fixing clamp 10 is fixedly connected to the inner wall of the chassis 2;

[0031] The ball valve 8 comprises a valve body 801, a valve stem 802 and a limit seat 803. The valve stem 802 is arranged at the front end of the valve body 801, and the limit seat 803 is welded to the front end of the valve body 801.

[0032] The switch valve knob 9 includes a positioning sleeve 901, a rotating shaft 902, a rotating handle 903, a connecting piece 904 and a limiting piece 905. The positioning sleeve 901 is rotatably connected to the rotating shaft 902 at the center, the rotating shaft 902 is fixedly connected to the rotating handle 903 at the front end, the rotating shaft 902 is fixedly connected to the connecting piece 904 at the rear end, and the connecting piece 904 is fixedly connected to the limiting piece 905 at the left side.

[0033] Specifically, the ball valve 1 6 and the ball valve 2 8 are fixedly connected to the chassis 2 through the fixing clamp 10, and the fixing clamp 10 is composed of two "Z"-shaped clamps. The advantage is that the fixing clamp 10 is provided to fix the ball valve 1 6 and the ball valve 2 8 inside the chassis 2, thereby improving the stability of the high and low valve knob 7 and the switch valve knob 9.

[0034] Specifically, the ball valve 1 6 has the same structure as the ball valve 2 8, and the high-low valve knob 7 has the same structure as the switch valve knob 9. The advantage is that the ball valve 1 6, the ball valve 2 8, the high-low valve knob 7, and the switch valve knob 9 with the same structure are provided, and the high-low valve knob 7 cooperates with the switch valve knob 9 to improve the controllability of the suction force of the vacuum pump 4.

[0035] Specifically, the positioning sleeve 901 is fixedly connected to the chassis 2, and five notches are provided on the outer side of the handle 903. The advantage is that the handle 903 is provided, and the suction force of the vacuum pump 4 can be controlled by rotating the handle 903, which is more beautiful than the traditional ball valve wrench switch.

[0036] Embodiment 2: Figure 2-5As shown, as an improvement over the previous embodiment.

[0037] Specifically, the front end of the rotating shaft 902 and the connecting member 904 are locked and connected by bolts, and the rear end of the valve stem 802 and the connecting member 904 are locked and connected by bolts. The advantage is that the connecting member 904 is provided to fixedly connect the rotating shaft 902 and the valve stem 802. By rotating the handle 903, the valve stem 802 is driven to rotate through the transmission of the connecting member 904, thereby controlling the opening degree of the ball valve two 8.

[0038] Specifically, the cross-section of the connecting member 904 is in a "U" shape, and the limiting member 905 is perpendicular to the connecting member 904. The advantage is that the limiting member 905 is provided to cooperate with the limiting seat 803 to limit the switch valve knob 9.

[0039] Specifically, the vertical cross-section of the limiting seat 803 is in a rectangular shape. The advantage is that in the initial state, the limiting member 905 is in contact with the upper end of the limiting seat 803. At this time, the ball valve two 8 is in the closed state. When it is necessary to adjust the suction of the vacuum pump 4, rotate the handle 903 clockwise to drive the connecting member 904 and the valve stem 802 to rotate until the connecting member 904 rotates 90°. At this time, the connecting member 904 is in contact with the right side of the limiting seat 803, and the ball valve two 8 is in the maximum opening state, which is convenient for adjustment.

[0040] Working principle: In the initial state, the limiting member 905 is in contact with the upper end of the limiting seat 803. At this time, the ball valve two 8 is in the closed state. Use the test machine body 1 to conduct solubility dispersion tests. When it is necessary to adjust the suction of the vacuum pump 4, rotate the handle 903 clockwise to drive the connecting member 904 and the valve stem 802 to rotate until the connecting member 904 rotates 90°. At this time, the connecting member 904 is in contact with the right side of the limiting seat 803, and the ball valve two 8 is in the maximum opening state, which is convenient for adjustment. The high and low valve knob 7 and the switch valve knob 9 cooperate to improve the controllability of the suction of the vacuum pump 4. Compared with the traditional ball valve wrench type switch, the shape of the handle 903 is more delicate and beautiful, improving the appearance beauty of the test machine body 1.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary switch for a solubility, dispersibility and insoluble matter testing machine, arranged at the front end of the testing machine body (1), characterized in that: At the upper end of the test machine body (1), a chassis (2) is provided. At the front end of the chassis (2), a vacuum gauge (3) is provided. Inside the chassis (2), a vacuum pump (4) is provided. The input end of the vacuum pump (4) is fixedly connected to a connecting pipe (5). On the outer side of the connecting pipe (5), a first ball valve (6) and a second ball valve (8) are fixedly connected. At the front end of the chassis (2), a high-low valve knob (7) and a switch valve knob (9) are provided. On the inner wall of the chassis (2), a fixed clamping part (10) is fixedly connected. The second ball valve (8) includes a valve body (801), a valve stem (802) and a limit seat (803). At the front end of the valve body (801), a valve stem (802) is provided. At the front end of the valve body (801), a limit seat (803) is welded and connected. The switch valve knob (9) includes a positioning sleeve (901), a rotating shaft (902), a rotating handle (903), a connecting part (904) and a limiting part (905). In the center of the positioning sleeve (901), the rotating shaft (902) is rotatably connected. At the front end of the rotating shaft (902), a rotating handle (903) is fixedly connected. At the rear end of the rotating shaft (902), a connecting part (904) is fixedly connected. On the left side of the connecting part (904), a limiting part (905) is fixedly connected.

2. A rotary switch for a solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: Both the first ball valve (6) and the second ball valve (8) are fixedly connected to the chassis (2) through the fixed clamping part (10). The fixed clamping part (10) is composed of two "Z"-shaped clamping parts.

3. The rotary switch for the solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: The first ball valve (6) and the second ball valve (8) have the same structure. The high-low valve knob (7) and the switch valve knob (9) have the same structure.

4. The rotary switch for the solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: The positioning sleeve (901) is fixedly connected to the chassis (2). Five notches are provided on the outer side of the rotating handle (903).

5. The rotary switch for the solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: The front ends of the rotating shaft (902) and the connecting part (904) are locked and connected by bolts. The rear ends of the valve stem (802) and the connecting part (904) are locked and connected by bolts.

6. The rotary switch for the solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: The cross-section of the connecting part (904) is in a "U"-shaped structure. The limiting part (905) is perpendicular to the connecting part (904).

7. The rotary switch for the solubility, dispersibility and insoluble matter testing machine according to claim 1, characterized in that: The vertical cross-section of the limit seat (803) is in a rectangular structure.