Diaphragm vacuum pump

Abstract

The utility model relates to the technical field of diaphragm vacuum pumps, and discloses a diaphragm vacuum pump which comprises a main body, a connecting mechanism is arranged on the upper surface of the main body, the connecting mechanism comprises a first connecting block, a threaded rod, a screwing block and a bearing plate, and the bottom of the first connecting block is fixedly connected with the top of the main body. According to the diaphragm vacuum pump, through the use of an insertion port, an external connecting pipe can be inserted into the insertion port for related detection, and through the use of a first connecting block, a threaded rod and a screwing block, the screwing block can drive the outer surface of the threaded rod to be in threaded connection with the upper surface of a bearing plate on the first connecting block; by using the clamping spring, the telescopic rod and the clamping pad, the problem of how to stably connect with an external pipeline is solved, the effect of more convenient and efficient connection can be achieved, meanwhile, a more accurate test result can be obtained through the connection stability, and the use efficiency of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm vacuum pumps, in particular to a diaphragm vacuum pump. Background Art

[0002] The diaphragm vacuum pump is an important vacuum acquisition equipment with the advantages of simple structure, small size, light weight, few wearing parts, low noise, long life, easy operation and strong self-priming ability. Its basic principle is to change the volume of the pump chamber through the reciprocating motion of the diaphragm, thereby realizing the suction and discharge of gas. It is widely used in practice.

[0003] According to the diaphragm vacuum pump with application number CN202123130875.8, this solution solves the problem of how to quickly complete the suction work, has a simple and practical structure, is easy for personnel to operate, and has low cost.

[0004] However, the following problems still exist in actual use:

[0005] (1) When connected to the outside world, the connection is made through a suction tube, which has poor stability during connection. This will reduce the overall use effect in practice, is not conducive to more accurate test results, and reduces the efficiency of equipment use.

[0006] (2) When carrying the device, it is carried by pulling the handle, but the handle cannot be folded up after carrying. Therefore, it is troublesome to fold up the handle in practice, and the device cannot be widely used in practice.

[0007] For this reason, the utility model launches a diaphragm vacuum pump. Utility Model Content

[0008] In view of the deficiencies in the prior art, the present invention provides a diaphragm vacuum pump, which has the advantages of being more stable when connected to the outside and being easier to store, thereby solving the problems raised in the background art.

[0009] The utility model provides the following technical solution: a diaphragm vacuum pump, comprising a main body, wherein a connecting mechanism is provided on the upper surface of the main body, wherein the connecting mechanism comprises a first connecting block, a threaded rod, a twisting block and a receiving plate, wherein the bottom of the first connecting block is fixedly connected to the top of the main body, the outer surface of the threaded rod is connected to the internal thread of the first connecting block, the right side of the twisting block is fixedly connected to one end of the threaded rod, the bottom of the receiving plate is threadedly connected to the outer surface of the threaded rod, and the lower surface of the receiving plate is in contact with the upper surface of the first connecting block.

[0010] Preferably, a portable storage mechanism is provided on the upper surface of the main body, and the portable storage mechanism includes a U-shaped frame, a damping shaft, a fixed block and a handle. A rectangular groove is opened on the upper surface of the main body, the bottom of the U-shaped frame is slidingly connected to the inner wall of the rectangular groove, the outer surface of the damping shaft is rotationally connected to the inside of the U-shaped frame, the inside of the fixed block is fixedly connected to the outer surface of the damping shaft, and the bottom of the handle is fixedly connected to the top of the fixed block.

[0011] Preferably, a second connecting block is fixedly mounted on the upper surface of the main body, a connecting rod is fixedly mounted inside the second connecting block, and an outer surface of the connecting rod is slidably connected to the bottom of the receiving plate.

[0012] Preferably, the supporting plate is slidably connected to a moving block inside, a clamping pad is fixedly installed on the back of the moving block, a clamping spring is fixedly installed inside the supporting plate, a telescopic rod is fixedly installed inside the supporting plate, one end of the clamping spring is fixedly connected to the back of the moving block, and one end of the telescopic rod is fixedly connected to the back of the moving block.

[0013] Preferably, heat dissipation holes are provided on both sides of the main body, horizontal plates are fixedly installed on both sides of the bottom of the main body, a supporting suction cup is provided at the bottom of the horizontal plate, a connecting cavity is provided on the upper surface of the main body, and a plug interface is provided inside the connecting cavity.

[0014] Preferably, a storage block is fixedly mounted on the upper surface of the main body, and the interior of the storage block is snap-fitted to the outer surface of the handle.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This diaphragm vacuum pump, through the use of the plug-in interface, can plug the external connecting pipe into the inside of the plug-in interface to perform relevant inspections. Through the use of the first connecting block, the threaded rod and the twisting block, twisting the twisting block can drive the threaded connection plate on the outer surface of the threaded rod to the upper surface of the first connecting block. Through the use of the clamping spring, the telescopic rod and the clamping pad, the elastic force of the clamping spring and the telescopic rod can stably abut the back side of the clamping pad against the connecting pipe inside the plug-in interface, thereby solving the problem of how to stabilize the connection with the external pipeline, and achieving a more convenient and efficient effect when connecting. At the same time, the stability of the connection can produce more accurate test results, thereby improving the efficiency of equipment use.

[0017] 2. This type of diaphragm vacuum pump, through the use of a rectangular groove and a U-shaped frame, can slide the U-shaped frame on the inner wall of the rectangular groove, so that it can be moved to the corresponding extraction position according to actual conditions when carrying. Through the use of the damping shaft, the fixing block and the handle, the position of the handle can be rotated to the picking angle, which is convenient for carrying the entire equipment. Through the use of the storage block, the position of the handle can be moved to the right and its angle can be rotated to the right. The outer surface of the handle can be engaged with the interior of the storage block to store it, avoiding the actual effect. This solves the problem of how to carry and store conveniently, and can achieve a more efficient use effect in practice. At the same time, it avoids the trouble of carrying and storing, and can be promoted and used in practice. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A side structural diagram of

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the local structure;

[0021] Figure 4 For this utility model Figure 1 A schematic diagram of a portable storage mechanism structure;

[0022] Figure 5 For this utility model Figure 3 A magnified schematic diagram of the structure in the middle.

[0023] In the figure: 1. Main body; 2. Heat dissipation hole; 3. Horizontal plate; 4. Support suction cup; 5. Connection cavity; 6. Plug interface; 7. First connecting block; 8. Threaded rod; 9. Twisting block; 10. Second connecting block; 11. Connecting rod; 12. Adapter plate; 13. Moving block; 14. Clamping pad; 15. Clamping spring; 16. Telescopic rod; 17. Rectangular groove; 18. U-shaped frame; 19. Damping shaft; 20. Fixed block; 21. Handle; 22. Storage block; 23. Connecting mechanism; 24. Portable storage mechanism. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 3 A diaphragm vacuum pump comprises a main body 1, a connecting mechanism 23 is provided on the upper surface of the main body 1, the connecting mechanism 23 comprises a first connecting block 7, a threaded rod 8, a twisting block 9 and a receiving plate 12, the bottom of the first connecting block 7 is fixedly connected to the top of the main body 1, the outer surface of the threaded rod 8 is threadedly connected to the inner surface of the first connecting block 7, the right side of the twisting block 9 is fixedly connected to one end of the threaded rod 8, the bottom of the receiving plate 12 is threadedly connected to the outer surface of the threaded rod 8, the lower surface of the receiving plate 12 is fitted with the upper surface of the first connecting block 7, the upper surface of the main body 1 is fixedly installed with a second connecting block 10, the interior of the second connecting block 10 is fixedly installed with a connecting rod 11, the outer surface of the connecting rod 11 is fixedly connected to the receiving plate The bottom of the plate 12 is slidably connected, and the internal sliding connection of the receiving plate 12 is provided with a moving block 13, and a clamping pad 14 is fixedly installed on the back of the moving block 13. The internal fixing installation of the receiving plate 12 is provided with a clamping spring 15, and the internal fixing installation of the receiving plate 12 is provided with a telescopic rod 16. One end of the clamping spring 15 is fixedly connected to the back of the moving block 13, and one end of the telescopic rod 16 is fixedly connected to the back of the moving block 13. Through the use of the first connecting block 7, the threaded rod 8, the twisting block 9 and the receiving plate 12, as well as the clamping spring 15 and the telescopic rod 16, a more convenient and efficient effect can be achieved during connection. At the same time, the stability of the connection can produce more accurate test results, thereby improving the efficiency of equipment use.

[0026] See also Figure 4 The upper surface of the main body 1 is provided with a portable storage mechanism 24, which includes a U-shaped frame 18, a damping shaft 19, a fixing block 20 and a handle 21. A rectangular groove 17 is opened on the upper surface of the main body 1, and the bottom of the U-shaped frame 18 is slidably connected to the inner wall of the rectangular groove 17. The outer surface of the damping shaft 19 is rotatably connected to the inside of the U-shaped frame 18, the inside of the fixing block 20 is fixedly connected to the outer surface of the damping shaft 19, and the bottom of the handle 21 is fixedly connected to the top of the fixing block 20. A storage block 22 is fixedly installed on the upper surface of the main body 1, and the inside of the storage block 22 is snap-fitted with the outer surface of the handle 21. Through the use of the U-shaped frame 18, the damping shaft 19, the fixing block 20, the handle 21 and the storage block 22, a more efficient use effect can be achieved in practice. At the same time, the trouble of carrying and the trouble of storage are avoided, and it can be promoted and used in practice.

[0027] See also Figure 1 and Figure 2 , heat dissipation holes 2 are provided on both sides of the main body 1, horizontal plates 3 are fixedly installed on both sides of the bottom of the main body 1, and a supporting suction cup 4 is provided at the bottom of the horizontal plate 3. A connecting cavity 5 is provided on the upper surface of the main body 1, and an insertion interface 6 is provided inside the connecting cavity 5, which can improve the overall practical use effect during actual use.

[0028] Working principle: when in use, while ensuring the stability of the connection of the external connecting pipe, you can first pull the moving block 13 to move the position of the moving block 13 backward, and then the external connecting pipe can be placed on the back of the clamping pad 14, and then the moving block 13 can be loosened. Through the clamping spring 15 fixedly installed between the moving block 13 and the receiving plate 12 and the rebound effect of the telescopic rod 16, the back of the clamping pad 14 can be abutted against the outer surface of the external connecting pipe. After the external connecting pipe is abutted, the twisting block 9 can be rotated, which can drive the threaded rod 8 fixed on the right side of the twisting block 9 to rotate the internal thread of the first connecting block 7, and the receiving plate 12 can move left and right on the outer surface of the threaded rod 8, and the receiving plate 12 can slide on the outer surface of the connecting rod 11, so that the clamped external connecting pipe can move to the right, so that it can be engaged with the inside of the plug interface 6, ensuring the stability of the external connecting pipe when connected to the inside of the plug interface 6.

[0029] When carrying the entire device and storing the handle 21, the U-shaped frame 18 can be moved to a relevant position according to the carrier's usage habits through the rectangular groove 17 on the upper surface of the main body 1. Then, the damping shaft 19 can be rotated inside the U-shaped frame 18, and the angles of the fixed block 20 and the handle 21 can be changed synchronously to adapt to the actual needs of the user. When storing the handle 21 after carrying, the position of the U-shaped frame 18 can be moved backward, and then the angle of the handle 21 can be moved to the right, so that the outer surface of the handle 21 can be engaged with the inside of the storage block 22.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A diaphragm vacuum pump, characterized in that: The invention comprises a main body (1), the upper surface of which is provided with a connecting mechanism (23), the connecting mechanism (23) comprising a first connecting block (7), a threaded rod (8), a twisting block (9) and a receiving plate (12), the bottom of the first connecting block (7) being fixedly connected to the top of the main body (1), the outer surface of the threaded rod (8) being threadedly connected to the inner surface of the first connecting block (7), the right side of the twisting block (9) being fixedly connected to one end of the threaded rod (8), the bottom of the receiving plate (12) being threadedly connected to the outer surface of the threaded rod (8), and the lower surface of the receiving plate (12) being in contact with the upper surface of the first connecting block (7).

2. A diaphragm vacuum pump according to claim 1, characterized in that: The upper surface of the main body (1) is provided with a portable storage mechanism (24), and the portable storage mechanism (24) includes a U-shaped frame (18), a damping shaft (19), a fixing block (20) and a handle (21). The upper surface of the main body (1) is provided with a rectangular groove (17), the bottom of the U-shaped frame (18) is slidably connected to the inner wall of the rectangular groove (17), the outer surface of the damping shaft (19) is rotatably connected to the inside of the U-shaped frame (18), the inside of the fixing block (20) is fixedly connected to the outer surface of the damping shaft (19), and the bottom of the handle (21) is fixedly connected to the top of the fixing block (20).

3. A diaphragm vacuum pump according to claim 1, characterized in that: A second connecting block (10) is fixedly mounted on the upper surface of the main body (1), a connecting rod (11) is fixedly mounted inside the second connecting block (10), and an outer surface of the connecting rod (11) is slidably connected to the bottom of the receiving plate (12).

4. A diaphragm vacuum pump according to claim 1, characterized in that: The receiving plate (12) is internally slidably connected to a moving block (13), a clamping pad (14) is fixedly installed on the back of the moving block (13), a clamping spring (15) is fixedly installed on the inside of the receiving plate (12), a telescopic rod (16) is fixedly installed on the inside of the receiving plate (12), one end of the clamping spring (15) is fixedly connected to the back of the moving block (13), and one end of the telescopic rod (16) is fixedly connected to the back of the moving block (13).

5. A diaphragm vacuum pump according to claim 1, characterized in that: Heat dissipation holes (2) are provided on both sides of the main body (1), horizontal plates (3) are fixedly installed on both sides of the bottom of the main body (1), a supporting suction cup (4) is provided at the bottom of the horizontal plate (3), a connecting cavity (5) is provided on the upper surface of the main body (1), and a plug interface (6) is provided inside the connecting cavity (5).

6. A diaphragm vacuum pump according to claim 1, characterized in that: A storage block (22) is fixedly mounted on the upper surface of the main body (1), and the interior of the storage block (22) is snap-fitted to the outer surface of the handle (21).

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