Chemical agent sampling device for chemical engineering
By designing a chemical reagent sampling device that can flexibly adjust the sampling volume, the problem of the existing device's single design is solved, the stability and accuracy of the sampling process are achieved, resource waste and analytical errors are reduced, and production efficiency and safety are improved.
Patent Information
- Application Number
- CN202520072612.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Existing chemical reagent sampling devices have a simple design and cannot flexibly adjust the sampling volume, resulting in wasted resources and inaccurate analysis results.
A sampling device comprising components such as a syringe, piston, push rod, and suction tube was designed. Through the cooperation of a pin, spring, and ring plate, the operator can flexibly adjust the sampling volume to ensure sampling stability and accuracy.
It improves the flexibility and accuracy of sampling, reduces sample loss and contamination risks, optimizes the sampling process, and enhances production efficiency and safety.
Smart Images

Figure CN223783972U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of sampling device technology, specifically a chemical reagent sampling device for chemical engineering. Background Technology
[0002] Chemical sampling devices are indeed indispensable key equipment in the field of chemical engineering, undertaking the important task of accurately extracting chemical samples from various containers or storage tanks. However, in practical applications, existing sampling devices have revealed some limitations, especially when faced with diverse chemical extraction needs.
[0003] Different chemical reagents, due to their varying physical and chemical properties, often require different sampling amounts to meet the specific requirements of subsequent analysis or testing. However, many sampling devices widely used in the market are often designed in a relatively simple manner, only able to extract a fixed preset amount of reagent, lacking sufficient flexibility and adjustability. This approach may not only waste valuable chemical reagent resources but may also affect the accuracy and reliability of analytical results due to inappropriate sampling amounts. Utility Model Content
[0004] To address the problems mentioned in the background section, this invention provides a chemical reagent sampling device for chemical engineering.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a chemical reagent sampling device for chemical engineering, comprising a syringe, a piston movably mounted inside the syringe, a push rod fixedly mounted at one end of the piston and passing through the syringe, a handle fixedly mounted at one end of the push rod, a suction tube fixedly mounted at one end of the syringe, a circular groove formed on the surface of the syringe, a circular ring plate movably mounted on the surface of the syringe, a rolled edge fixedly mounted on the side of the circular ring plate, a fixing plate one and a fixing plate two fixedly mounted sequentially at the bottom of the rolled edge, a circular rod fixedly mounted between the fixing plate one and the fixing plate two, a circular plate movably mounted on the surface of the circular rod, a pin movably mounted inside the fixing plate one and the fixing plate two, one end of the pin located inside the circular groove, a spring provided between the fixing plate two and the circular plate, a handle fixedly mounted at one end of the pin, a fixing rod fixedly mounted on the surface of the rolled edge and passing through the handle, and a baffle fixedly mounted at one end of the fixing rod.
[0006] Preferably, the surface of the syringe is provided with a groove, and a slider is movably installed inside the groove, and the slider is fixedly connected to the annular plate.
[0007] Preferably, the inner diameter of the groove is equal to the outer diameter of the slider, and there are two sets of grooves, which are evenly distributed on the surface of the syringe.
[0008] Preferably, the surface of the handle is provided with a sponge layer, and the piston is integrally made of rubber.
[0009] Preferably, the inner diameter of the circular groove is equal to the outer diameter of the plug, and the outer diameter of the circular rod is equal to the inner diameter of the circular plate.
[0010] Preferably, the needle cylinder is integrally made of plastic, and the two ends of the needle cylinder are designed as rounded corners.
[0011] Compared with the prior art, the utility model has the beneficial effects as follows:
[0012] 1、 the utility model discloses a handle is pulled and makes the plug away from the circular groove, and the circular plate slides on the surface of the circular rod and makes the spring compress, then the handle is loosened after pushing the circular ring plate to the proper distance, and the reaction force of the spring makes the plug reset, the distance of the fixed rod and the baffle is adjusted at this time, then the hand is pulled and is close to the baffle, and the chemical reagent is sucked into the inside of the needle cylinder and is sampled through the pipe, compared with the traditional device, the device allows the operator to sample different amounts of chemical reagent, which greatly improves the flexibility of sampling, thereby avoiding the error caused by improper sampling amount, ensuring that the sampling result can more accurately reflect the actual composition and nature of the chemical reagent, thereby improving the flexibility and accuracy of sampling, simultaneously, the device helps reduce the risk of sample loss and pollution caused by improper operation, thereby reducing sampling time and cost, improving sampling efficiency, further optimizing the sampling process, and the device can ensure the stability and controllability of the production process, thereby helping to take timely measures for adjustment and improvement, thereby improving production efficiency and safety.
[0013] 2、 the utility model discloses the cooperation between the sliding groove and the sliding block, thereby ensuring that the circular ring plate slides on the surface of the needle cylinder, the sliding block slides in the sliding groove, thereby ensuring the stability of the circular ring plate when sliding, thereby ensuring the stability of subsequent sampling. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 It is a sectional structure schematic diagram of the needle cylinder of the utility model;
[0016] Figure 3 It is the utility model Figure 2 It is a local enlarged structure schematic diagram of A in the utility model;
[0017] Figure 4 It is a sectional structure schematic diagram of the fixed rod of the utility model;
[0018] Figure 5 It is the utility modelFigure 4 Local enlarged structure schematic view at B.
[0019] In the figure: 1, needle cylinder; 2, piston; 3, push rod; 4, press hand; 5, suction pipe; 6, circular ring plate; 7, edge; 8, fixed plate one; 9, fixed plate two; 10, circular groove; 11, bolt; 12, circular plate; 13, circular rod; 14, spring; 15, handle; 16, fixed rod; 17, baffle; 18, sliding groove; 19, sliding block. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] As Figures 1 to 5 shown, the utility model provides a kind of chemical reagent sampling device for chemical engineering, including needle cylinder 1, piston 2 is movably installed in the inside of needle cylinder 1, push rod 3 is fixedly installed in one end of piston 2, and push rod 3 penetrates needle cylinder 1, push rod 3 one end is fixedly installed with press hand 4, needle cylinder 1 one end is fixedly installed with suction pipe 5, the surface of needle cylinder 1 is equipped with circular groove 10, the surface of needle cylinder 1 movably installs circular ring plate 6, circular ring plate 6 side is fixedly installed with edge 7, and the bottom of edge 7 is sequentially fixedly installed with fixed plate one 8 and fixed plate two 9, circular rod 13 is fixedly installed between fixed plate one 8 and fixed plate two 9, and the surface of circular rod 13 movably installs circular plate 12, the inside of fixed plate one 8 and fixed plate two 9 movably installs bolt 11, and one end of bolt 11 is located in the inside of circular groove 10, spring 14 is arranged between fixed plate two 9 and circular plate 12, one end of bolt 11 is fixedly installed with handle 15, the surface of edge 7 is fixedly installed with fixed rod 16, and fixed rod 16 penetrates press hand 4, and one end of fixed rod 16 is fixedly installed with baffle 17;
[0022] Adopt the above scheme: the device allows the operator to sample different amounts of chemical reagents, which greatly improves the flexibility of sampling, thereby avoiding errors caused by improper sampling, ensuring that the sampling results can more accurately reflect the actual composition and nature of the chemical reagents, thereby improving the flexibility and accuracy of sampling, while the device helps to reduce the risk of sample loss and contamination caused by improper operation, thereby reducing sampling time and cost, improving sampling efficiency, and further optimizing the sampling process, and the device can ensure the stability and controllability of the production process, thereby helping to take timely measures for adjustment and improvement, thereby improving production efficiency and safety.
[0023] As Figure 3 shown, the surface of the needle cylinder 1 is provided with a sliding groove 18, the inside of the sliding groove 18 is movably provided with a sliding block 19, and the sliding block 19 is fixedly connected with the circular ring plate 6.
[0024] The above scheme is adopted: through the device, the stability of the circular ring plate 6 during sliding can be ensured, and the stability of subsequent sampling can be ensured.
[0025] As Figure 3 shown, the inner diameter value of the sliding groove 18 is equal to the outer diameter value of the sliding block 19, the number of the sliding grooves 18 is two groups, and the two groups of sliding grooves 18 are evenly distributed on the surface of the needle cylinder 1.
[0026] The above scheme is adopted: by setting the inner diameter value of the sliding groove 18 to be equal to the outer diameter value of the sliding block 19, the stability of the circular ring plate 6 during sliding on the surface of the needle cylinder 1 can be ensured, the number of the sliding grooves 18 is two groups, and the two groups of sliding grooves 18 are evenly distributed on the surface of the needle cylinder 1, so that the stability of the circular ring plate 6 is further improved.
[0027] As Figure 2 shown, the surface of the handle 15 is provided with a sponge layer, and the piston 2 is made of rubber as a whole.
[0028] The above scheme is adopted: by setting the surface of the handle 15 to be provided with a sponge layer, the comfort of the staff can be improved, and the piston 2 is made of rubber as a whole, so that the sealing performance of the piston 2 in the needle cylinder 1 is improved.
[0029] As Figure 5 shown, the inner diameter value of the circular groove 10 is equal to the outer diameter value of the plug 11, and the outer diameter value of the circular rod 13 is equal to the inner diameter value of the circular plate 12.
[0030] The above scheme is adopted: by setting the inner diameter value of the circular groove 10 to be equal to the outer diameter value of the plug 11, the stability of the plug 11 during clamping in the circular groove 10 is improved, and by setting the outer diameter value of the circular rod 13 to be equal to the inner diameter value of the circular plate 12, the stability of the circular plate 12 during sliding is improved.
[0031] As Figure 1 shown, the needle cylinder 1 is made of plastic as a whole, and the two ends of the needle cylinder 1 are designed to be round.
[0032] The above scheme is adopted: by making the needle cylinder 1 of plastic as a whole, the weight of plastic is lighter and the price is cheaper, and by designing the two ends of the needle cylinder 1 to be round, the appearance of the needle cylinder 1 is improved.
[0033] The working principle and use process of the utility model are as follows:
[0034] In use, the staff pulls the handle 15, so that the bolt 11 is away from the inside of the round groove 10, at the same time the round plate 12 slides on the surface of the round rod 13 to press the spring 14, then the staff pushes the ring plate 6 to slide on the surface of the needle cylinder 1 to the appropriate distance, and then releases the handle 15, the reaction force of the spring 14 makes the bolt 11 reset, at this time the distance between the baffle 17 and the hand 4 is adjusted, then the staff pulls the hand 4 close to the baffle 17, so that the suction of the piston 2 siphons the chemical agent to the inside of the needle cylinder 1 to sample.
[0035] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying such entity or action are in any way actually prior or posterior in time. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A chemical agent sampling device for chemical engineering, comprising a syringe (1), characterized in that: The inside of the needle cylinder (1) movably installs a piston (2), one end of the piston (2) is fixedly installed with a push rod (3), and the push rod (3) penetrates the needle cylinder (1), one end of the push rod (3) is fixedly installed with a press hand (4), one end of the needle cylinder (1) is fixedly installed with a pumping pipe (5), the surface of the needle cylinder (1) is provided with a circular groove (10), the surface of the needle cylinder (1) movably installs a circular ring plate (6), the side surface of the circular ring plate (6) is fixedly installed with a curled edge (7), the bottom of the curled edge (7) is sequentially fixedly installed with a fixed plate one (8) and a fixed plate two (9), the circular rod (13) is fixedly installed between the fixed plate one (8) and the fixed plate two (9), and the surface of the circular rod (13) movably installs a circular plate (12), the inside of the fixed plate one (8) and the fixed plate two (9) movably installs a bolt (11), and one end of the bolt (11) is located in the inside of the circular groove (10), the spring (14) is arranged between the fixed plate two (9) and the circular plate (12), one end of the bolt (11) is fixedly installed with a handle (15), the surface of the curled edge (7) is fixedly installed with a fixed rod (16), and the fixed rod (16) penetrates the press hand (4), one end of the fixed rod (16) is fixedly installed with a baffle (17).
2. The chemical agent sampling apparatus for chemical engineering according to claim 1, characterized by: The surface of the needle cylinder (1) is provided with a sliding groove (18), the inside of the sliding groove (18) movably installs a sliding block (19), and the sliding block (19) is fixedly connected with the circular ring plate (6).
3. The chemical agent sampling apparatus for chemical engineering according to claim 2, characterized by: The inner diameter value of the sliding groove (18) is equal to the outer diameter value of the sliding block (19), the number of the sliding groove (18) is two groups, and the two groups of sliding grooves (18) are evenly distributed on the surface of the needle cylinder (1).
4. The chemical agent sampling apparatus for chemical engineering according to claim 1, characterized by: The surface of the handle (15) is provided with a sponge layer, and the piston (2) is made of rubber as a whole.
5. The chemical agent sampling apparatus for chemical engineering according to claim 1, characterized by: The inner diameter value of the circular groove (10) is equal to the outer diameter value of the bolt (11), and the outer diameter value of the circular rod (13) is equal to the inner diameter value of the circular plate (12).
6. The chemical agent sampling apparatus for use in chemical engineering according to claim 1, characterized by: The needle cylinder (1) is made of plastic as a whole, and the two ends of the needle cylinder (1) are designed as round corners.