Burette erecting device

Abstract

The utility model discloses a burette erecting device which comprises a burette frame body, a stand column arranged above the burette frame body, a positioning clamp arranged on the inner side of the stand column, a clamping hand arranged in the positioning clamp, a telescopic frame arranged above the stand column, and a supporting frame arranged in the telescopic frame. A connecting block is arranged at the middle position in the supporting frame, a fixing frame is arranged at the front side position of the supporting frame, a positioning plate is arranged at the bottom position of a positioning clamp, a connecting rod is arranged at the bottom position of the positioning plate, and a telescopic frame provides an adjustable supporting height for the bracket, so that the bracket can adapt to different titration conditions; stable connection between the fixing frame and the supporting frame can be ensured, the fixing frame and the supporting frame are fixedly connected through the connecting block, the stability of the support in various environments can be ensured, the positioning clamp on the connecting rod can more accurately position a workpiece, and the positioning clamp is vertically connected with the supporting frame and the fixing frame, so that the stability of a burette can be ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field related to burette stands, and in particular relates to a burette mounting device. Background Art

[0002] The burette holder usually consists of a bracket and a pair of clamps. The bracket is usually made of metal and has a stable base and vertical struts to support the burette. The clamps can adjust and fix the position of the burette to ensure that it remains horizontal and stable during the titration process. These devices are usually designed to be adjustable to accommodate burettes of different specifications and sizes. In chemical laboratories, the burette holder is one of the basic equipment for titration experiments to ensure the accuracy and repeatability of experimental results.

[0003] However, the existing burette stand generally includes a butterfly clamp and an iron stand, which has few positions for fixing the burette, and only one position for clamping the burette on each side. At the same time, the clamping device cannot ensure that the burette is vertical to the burette stand, which affects the experimental results. Utility Model Content

[0004] The utility model aims to provide a burette mounting device to solve the problem that the existing burette support generally comprises a butterfly clamp and an iron stand, and has few positions for fixing the burette, and only one position for clamping the burette on each side, and the clamping device is difficult to ensure that the burette is vertical to the burette support, which affects the experimental results.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a burette mounting device, comprising a burette mounting body;

[0006] A column is arranged above the pipe rack body, a positioning clamp is arranged inside the column, and a gripper is arranged inside the positioning clamp;

[0007] A telescopic frame is arranged above the column, a supporting frame is arranged inside the telescopic frame, and a connecting block is arranged at a middle position inside the supporting frame.

[0008] Preferably, a fixing frame is provided at the front side of the support frame, the fixing frame and the support frame are fixedly connected via a connecting block, and the support frame and the fixing frame are parallel to each other at upper and lower sides.

[0009] Preferably, a positioning plate is provided at the bottom of the positioning clamp, a connecting rod is provided at the bottom of the positioning plate, and positioning clamps are provided on the upper and lower sides of the connecting rod respectively.

[0010] Preferably, the positioning clamp is vertically connected to the support frame and the fixing frame, and the connecting rod is fixedly connected to the positioning clamp.

[0011] Preferably, a hand-held portion is provided at the top of the positioning clamp, a plug-in plate is provided at the front of the positioning clamp, a clamping plate is provided at the outer side of the clamping plate, an inner rod is provided at the inner position of the clamping plate, and a sliding groove is provided at the inner position of the inner rod.

[0012] Preferably, a pressing piece is provided at an outer position of the plug board, a nesting piece is provided at an inner position of the pressing piece, an outer expansion plate is provided at an outer position of the nesting piece, and the nesting piece is slidably connected to the slide groove.

[0013] Preferably, the hand-held portion is threadedly connected to the positioning plate, notches are respectively provided on the left and right sides of the fixing frame, and the support frame and the fixing frame are made of steel material.

[0014] Compared with the prior art, the utility model provides a burette mounting device, which has the following beneficial effects:

[0015] 1. Through the arrangement of the telescopic frame, the support frame, the connecting block, the fixed frame, the positioning plate, the connecting rod and the positioning clamp, the main function of the telescopic frame is to provide an adjustable support height for the bracket, so that the bracket can adapt to different titration conditions. It can ensure the stable connection between the fixed frame and the support frame, thereby ensuring the stability of the entire bracket structure. The fixed connection between the fixed frame and the support frame through the connecting block can ensure the stability of the bracket in various environments. The positioning clamp on the connecting rod can position the workpiece more accurately. The vertical connection of the positioning clamp with the support frame and the fixed frame can ensure the stability of the burette. The fixed connection between the connecting rod and the positioning clamp can simplify the structure of the bracket and reduce the risk of failure caused by loose connection.

[0016] 2. Through the arrangement of the plug-in plate, the clamping plate, the inner rod, the slide groove, the pressing piece, the nesting piece and the outer expansion plate, the hand-held part is used to control the positioning clamp, so that the operator can hold the positioning clamp more conveniently and perform precise operations. The plug-in plate cooperates with the clamping plate and the inner rod to achieve the positioning or clamping of the burette. The clamping plate is generally used to fix the workpiece. By cooperating with the inner rod, it can exert pressure on the burette to ensure stability. The pressing piece can realize the rapid opening and closing of the clamping plate, thereby improving the convenience of the device. The nesting piece is a component used to connect the pressing piece and the slide groove. It can simplify the installation process and improve the stability of the entire structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the support frame in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the positioning clamp in the utility model.

[0020] Figure 4 It is a structural schematic diagram of the pressing member in the utility model.

[0021] In the figure: 1. pipe rack body; 2. column; 3. telescopic frame; 4. connecting block; 5. positioning clamp; 6. connecting rod; 7. supporting frame; 8. fixing frame; 9. positioning plate; 10. hand-held part; 11. plug-in board; 12. clamping hand; 13. clamping plate; 14. inner rod; 15. slide groove; 16. pressing piece; 17. nesting piece; 18. external expansion plate. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides Figure 1-4 A burette mounting device shown includes a burette mounting body 1;

[0024] A column 2 is arranged above the pipe rack body 1, a positioning clamp 5 is arranged inside the column 2, and a clamping hand 12 is arranged inside the positioning clamp 5;

[0025] A telescopic frame 3 is arranged above the column 2 , a supporting frame 7 is arranged inside the telescopic frame 3 , and a connecting block 4 is arranged at a middle position inside the supporting frame 7 .

[0026] A fixing frame 8 is provided at the front side of the supporting frame 7. The fixing frame 8 and the supporting frame 7 are fixedly connected by a connecting block 4. The supporting frame 7 and the fixing frame 8 at the upper and lower sides are parallel to each other.

[0027] A positioning plate 9 is arranged at the bottom of the positioning clamp 5 , a connecting rod 6 is arranged at the bottom of the positioning plate 9 , and positioning clamps 5 are arranged on the upper and lower sides of the connecting rod 6 .

[0028] The positioning clamp 5 is vertically connected to the supporting frame 7 and the fixing frame 8 , and the connecting rod 6 is fixedly connected to the positioning clamp 5 .

[0029] A hand-held portion 10 is provided at the top of the positioning clamp 5, a plug-in board 11 is provided at the front side of the positioning clamp 5, a clamping plate 13 is provided at the outer side of the plug-in board 11, an inner rod 14 is provided at the inner position of the clamping plate 13, and a slide groove 15 is provided at the inner position of the inner rod 14.

[0030] A pressing piece 16 is disposed at the outer side of the plug board 11 , a nesting piece 17 is disposed at the inner side of the pressing piece 16 , an outer expansion plate 18 is disposed at the outer side of the nesting piece 17 , and the nesting piece 17 is slidably connected to the slide groove 15 .

[0031] The hand-held portion 10 is connected to the positioning plate 9 by threads, and notches are respectively provided on the left and right sides of the fixing frame 8. The supporting frame 7 and the fixing frame 8 are made of steel material.

[0032] In this embodiment, a specific implementation step of a burette mounting device is as follows: first, the telescopic frame 3 is fixed on the column 2, and the positions of the telescopic frame 3 and the support frame 7 are adjusted to adapt to the size of the burette to ensure that the position of the burette is stable. Next, the fixing frame 8 and the support frame 7 are connected by the connecting block 4 to ensure that they are parallel to each other. Inside the device, the setting of the positioning plate 9 and the connecting rod 6 helps to ensure the stability of the entire structure. Finally, the positions of the handheld part 10 and the plug-in board 11 are adjusted to ensure that the burette is firmly clamped and can be easily operated. The entire device is exquisitely designed and is suitable for titration experiments in chemical laboratories.

[0033] like Figure 1-4 As shown, a telescopic frame 3 is arranged above the column 2, a support frame 7 is arranged inside the telescopic frame 3, a connecting block 4 is arranged at the middle position inside the support frame 7, a fixed frame 8 is arranged at the front side of the support frame 7, the fixed frame 8 and the support frame 7 are fixedly connected through the connecting block 4, the support frames 7 and the fixed frames 8 on the upper and lower sides are parallel to each other, a positioning plate 9 is arranged at the bottom position of the positioning clamp 5, a connecting rod 6 is arranged at the bottom position of the positioning plate 9, and positioning clamps 5 are respectively arranged on the upper and lower sides of the connecting rod 6, the positioning clamp 5 is vertically connected to the support frame 7 and the fixed frame 8, and the connecting rod 6 is fixedly connected to the positioning clamp 5.

[0034] Preferably, a telescopic frame 3 is provided above the column 2, and the height of the support frame 7 can be adjusted to accommodate burettes of different heights. The support frame 7 is fixedly connected to the fixing frame 8 through the connecting block 4 to ensure a stable structure and a stable position of the burette. A positioning plate 9 and a connecting rod 6 are provided at the bottom of the positioning clamp 5 to enhance the stability of the entire device. The positioning clamp 5 is vertically connected to the support frame 7 and the fixing frame 8 to ensure the accurate position of the burette. The connecting rod 6 is fixedly connected to the positioning clamp 5 to further enhance the fixity and stability of the burette.

[0035] like Figure 3-4As shown, a hand-held portion 10 is provided at the top position of the positioning clamp 5, a plug-in plate 11 is provided at the front side position of the positioning clamp 5, a clamping plate 13 is provided at the outer side position of the plug-in plate 11, an inner rod 14 is provided at the inner position of the clamping plate 13, a slide groove 15 is provided at the inner position of the inner rod 14, a pressing piece 16 is provided at the outer side position of the plug-in plate 11, a nesting piece 17 is provided at the inner position of the pressing piece 16, an outer expansion plate 18 is provided at the outer side position of the nesting piece 17, and the nesting piece 17 is slidably connected to the slide groove 15.

[0036] Preferably, the hand-held portion 10 is used to manipulate the positioning clamp 5, so that the operator can hold the positioning clamp 5 more conveniently and perform precise operations. The plug-in plate 11 cooperates with the clamping plate 13 and the inner rod 14 to achieve positioning or clamping of the burette. The clamping plate 13 is generally used to fix the workpiece. By cooperating with the inner rod 14, it can apply pressure to the burette to ensure stability. The clamping plate can be quickly opened and closed by the pressing piece 16, thereby improving the convenience of the device. The nesting piece 17 is a component used to connect the pressing piece 16 and the slide groove 15. It can simplify the installation process and improve the stability of the entire structure.

[0037] like Figure 1-4 As shown, the hand-held portion 10 is threadedly connected to the positioning plate 9, and notches are respectively provided on the left and right sides of the fixing frame 8. The supporting frame 7 and the fixing frame 8 are made of steel material.

[0038] Optionally, the handheld portion 10 is connected to the positioning plate 9 by threads, which ensures the firmness and stability of the connection. The support frame 7 and the fixing frame 8 made of steel material have excellent durability and stability, ensuring reliability for long-term use.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A burette mounting device, comprising a burette mounting body (1); A column (2) is arranged above the pipe rack body (1), a positioning clamp (5) is arranged inside the column (2), and a clamping hand (12) is arranged inside the positioning clamp (5); Features: A telescopic frame (3) is arranged above the upright column (2), a support frame (7) is arranged inside the telescopic frame (3), and a connecting block (4) is arranged at a middle position inside the support frame (7).

2. A burette mounting device according to claim 1, characterized in that: A fixing frame (8) is arranged at the front side of the support frame (7); the fixing frame (8) and the support frame (7) are fixedly connected via a connecting block (4); and the support frame (7) and the fixing frame (8) are parallel to each other at the upper and lower sides.

3. A burette mounting device according to claim 2, characterized in that: A positioning plate (9) is arranged at the bottom of the positioning clamp (5), a connecting rod (6) is arranged at the bottom of the positioning plate (9), and positioning clamps (5) are arranged on the upper and lower sides of the connecting rod (6), respectively.

4. A burette mounting device according to claim 3, characterized in that: The positioning clamp (5) is vertically connected to the support frame (7) and the fixing frame (8), and the connecting rod (6) is fixedly connected to the positioning clamp (5).

5. A burette mounting device according to claim 4, characterized in that: A hand-held portion (10) is provided at the top of the positioning clamp (5), a plug-in board (11) is provided at the front of the positioning clamp (5), a clamping plate (13) is provided at the outer side of the clamping plate (11), an inner rod (14) is provided at the inner side of the clamping plate (13), and a sliding groove (15) is provided at the inner side of the inner rod (14).

6. A burette mounting device according to claim 5, characterized in that: A pressing piece (16) is arranged at the outer side of the plug board (11), a nesting piece (17) is arranged at the inner side of the pressing piece (16), an outer expansion plate (18) is arranged at the outer side of the nesting piece (17), and the nesting piece (17) is slidably connected to the slide groove (15).

7. A burette mounting device according to claim 6, characterized in that: The hand-held part (10) is threadedly connected to the positioning plate (9), and notches are respectively provided on the left and right sides of the fixing frame (8). The supporting frame (7) and the fixing frame (8) are made of steel material.

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