Vacuum pump with built-in vacuum meter

Abstract

The utility model relates to a vacuum pump with a built-in vacuum meter, which belongs to the field of vacuum pumps and comprises a pump body, a built-in mechanism for improving the built-in positioning effect is arranged on the upper surface of the pump body, and fixing mechanisms for improving the fixing effect are arranged on the left side and the right side of the built-in mechanism. The built-in mechanism comprises two built-in boxes, an embedding frame, two positioning bases, a vacuum meter body, two positioning insertion rings and a perspective screen, the built-in boxes are fixed to the upper surface of the pump body, and embedding grooves are formed in the front faces of the two built-in boxes. According to the vacuum pump with the built-in vacuum meter, the built-in mechanism is arranged, the vacuum meter body is fixed in the embedded frame, then the embedded frame is fixed to the built-in box, and through fixing and positioning of the structure, the stable position of the vacuum meter body is ensured; and the perspective screen is fixed, so that a user can clearly observe the reading of the vacuum meter, and the positioning effect and the use convenience of the vacuum pump are improved.

Description

Technical Field

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

[0002] A vacuum pump refers to a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate air from a container to create a vacuum. Generally speaking, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space. Existing vacuum pumps generally install the vacuum gauge directly on the air inlet outside the pump body. Therefore, once it is hit by external force or accidentally tipped over during use or transportation, the vacuum gauge independently installed outside the pump body is very likely to be damaged by the impact. In mild cases, the connection may leak. In severe cases, the vacuum gauge or the connecting joint may break, making it impossible to use the vacuum pump normally, increasing the cost of use and maintenance.

[0003] A vacuum pump disclosed in Chinese patent announcement number (CN209083483U) provides a vacuum pump with a built-in vacuum gauge which has a simple structure and can effectively protect the vacuum gauge, thereby preventing the vacuum gauge from being damaged during use or transportation. The vacuum pump solves the technical problems in the prior art that the vacuum gauge is easily damaged by impact, resulting in the vacuum pump being unable to be used normally, increasing the use and maintenance costs, etc. The vacuum pump comprises a bracket and a pump body assembly and a motor assembly respectively arranged on both sides of the bracket, a capacitor box is provided on the corresponding casing outside the motor assembly, a vacuum gauge connected to the pump body assembly is provided in the capacitor box, a vacuum gauge embedding port for observing the display status of the vacuum gauge is provided on the capacitor box, and the vacuum gauge is embedded and fixed in the vacuum gauge embedding port.

[0004] However, the above patent still has the problem of poor built-in positioning effect of the vacuum gauge. For example, the vacuum gauge is placed in the embedding port in the above patent to achieve built-in vacuum gauge, but this method is not convenient for quickly and accurately inserting the vacuum gauge into the embedding port, and the vacuum gauge dial is easily offset, which needs to be adjusted back and forth, otherwise it affects the user's observation and use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a vacuum pump with a built-in vacuum gauge, which has the advantages of good built-in positioning effect, etc., and solves the problem of poor built-in positioning effect of the vacuum gauge in the prior art.

[0006] To achieve the above object, the utility model provides the following technical solution: a vacuum pump with a built-in vacuum gauge, comprising a pump body, the upper surface of the pump body is provided with a built-in mechanism for improving the built-in positioning effect, and the left and right sides of the built-in mechanism are provided with fixing mechanisms for improving the fixing effect;

[0007] The built-in mechanism includes two built-in boxes, an embedded frame, two positioning bases, a vacuum gauge body, two positioning insert rings and a perspective screen. The built-in boxes are fixed to the upper surface of the pump body, the front sides of the two built-in boxes are provided with embedding grooves, and the embedded frames are fixed to the inner walls of the embedding grooves, the two positioning bases are respectively fixed to the front and rear sides of the inner bottom wall of the embedded frame, the vacuum gauge body is placed inside the embedded frame, the two positioning insert rings are fixed to the outside of the vacuum gauge body, and the perspective screen is fixed to the inner wall of the embedded frame and is located on the front side of the vacuum gauge body.

[0008] Furthermore, the positioning base is semicircular in shape, and a positioning groove is provided on the upper surface of the positioning base.

[0009] Furthermore, the positioning ring is inserted between the front and rear inner walls of the positioning groove, and a rubber pad is fixed inside the embedded frame and on the outside of the vacuum meter body.

[0010] Furthermore, two support springs are fixed to the back wall of the inner cavity of the embedded frame, and support pads are fixed to the front ends of the two support springs.

[0011] Furthermore, the fixing mechanism includes four fixing bolts, four connecting springs and a positioning ring. Four stepped screw holes are opened on the opposite sides of the two built-in boxes, and the four fixing bolts are respectively threadedly connected to the inner walls of the four stepped screw holes. The four connecting springs are respectively movably mounted on the outside of the four fixing bolts, and the positioning ring is fixed to the lower surface of the upper built-in box.

[0012] Furthermore, a connection groove is provided on the upper surface of the built-in box at the lower side, and a positioning ring is slidably connected to the inner wall of the connection groove.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The vacuum pump with a built-in vacuum gauge is provided with a built-in mechanism. The vacuum gauge body is fixed in an embedded frame, and then the embedded frame is fixed on the built-in box. The fixation and positioning of this structure ensures the stable position of the vacuum gauge body, and the fixation of the perspective screen enables the user to clearly observe the reading of the vacuum gauge, thereby improving the positioning effect and convenience of use of the vacuum pump.

[0015] 2. The vacuum pump with a built-in vacuum gauge is provided with a fixing mechanism, and the built-in box is firmly fixed to the pump body through the threaded connection of the fixing bolts. The activity of the connecting spring can absorb vibration and impact, thereby maintaining the stability of the built-in mechanism. The fixation of the positioning ring also helps to ensure the overall stability and accuracy of the built-in mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a front view of the structure of the utility model;

[0018] Figure 3 This is a top view of the built-in mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the positioning base of the utility model;

[0020] Figure 5 It is a schematic diagram of the fixing mechanism of the utility model.

[0021] In the figure: 1 pump body, 2 built-in mechanism, 21 built-in box, 22 embedded frame, 23 positioning base, 24 vacuum gauge body, 25 positioning insert ring, 26 perspective screen, 27 positioning groove, 28 rubber pad, 29 support spring, 210 support pad, 3 fixing mechanism, 31 fixing bolt, 32 connecting spring, 33 positioning ring, 34 stepped screw hole. 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] See also Figure 1-2 A vacuum pump with a built-in vacuum gauge in this embodiment includes a pump body 1. The upper surface of the pump body 1 is provided with a built-in mechanism 2 for improving the built-in positioning effect, and the left and right sides of the built-in mechanism 2 are provided with fixing mechanisms 3 for improving the fixing effect.

[0024] See also Figure 3-4In order to position the vacuum gauge for built-in use, the built-in mechanism 2 in this embodiment includes two built-in boxes 21, an embedding frame 22, two positioning bases 23, a vacuum gauge body 24, two positioning insert rings 25 and a perspective screen 26. The built-in box 21 is fixed to the upper surface of the pump body 1. The front sides of the two built-in boxes 21 are provided with embedding grooves, and the embedding frame 22 is fixed to the inner wall of the embedding groove. The two positioning bases 23 are respectively fixed to the front and rear sides of the inner bottom wall of the embedding frame 22. The vacuum gauge body 24 is placed inside the embedding frame 22. By fixing the vacuum gauge body 24 in the embedding frame 22, and then fixing the embedding frame 22 on the built-in box 21, the stable position of the vacuum gauge body 24 is ensured through the fixing and positioning of this structure. The two positioning insert rings 25 are fixed to the outside of the vacuum gauge body 24. When the vacuum gauge body 24 is embedded in the built-in, the outer positioning insert ring 25 is correspondingly inserted into the positioning groove 27 on the positioning insert ring 25. The perspective screen 26 is fixed to the inner wall of the embedding frame 22 and is located on the front of the vacuum gauge body 24.

[0025] In this embodiment, the positioning base 23 is semicircular in shape, and a positioning groove 27 is provided on the upper surface of the positioning base 23. The positioning ring 25 is inserted between the front and rear inner walls of the positioning groove 27. The positioning ring 25 can keep the vacuum gauge body 24 in a front view state. A rubber pad 28 is fixed inside the embedded frame 22 and located on the outside of the vacuum gauge body 24. Two supporting springs 29 are fixed to the back wall of the inner cavity of the embedded frame 22. Support pads 210 are fixed to the front ends of the two supporting springs 29. The positioning ring 25 can keep the vacuum gauge body 24 in a front view state, and the fixation of the perspective screen 26 allows the user to clearly observe the reading of the vacuum gauge, thereby improving the positioning effect and convenience of use of the vacuum pump.

[0026] See also Figure 5 In order to install the vacuum gauge for built-in use, the fixing mechanism 3 in this embodiment includes four fixing bolts 31, four connecting springs 32 and a positioning ring 33. Four stepped screw holes 34 are provided on the opposite sides of the two built-in boxes 21, and the four fixing bolts 31 are respectively threadedly connected to the inner walls of the four stepped screw holes 34, and the four connecting springs 32 are respectively movably mounted on the outsides of the four fixing bolts 31, and the positioning ring 33 is fixed to the lower surface of the upper built-in box 21. The two built-in boxes 21 are firmly fixed by the threaded connection of the fixing bolts 31. The activity of the connecting springs 32 can absorb vibration and impact, thereby maintaining the stability of the built-in mechanism 2. The fixation of the positioning ring 33 also helps to ensure the overall stability and accuracy of the built-in mechanism 2.

[0027] In this embodiment, a connection groove is formed on the upper surface of the lower built-in box 21, and the positioning ring 33 is slidably connected to the inner wall of the connection groove.

[0028] The working principle of the above embodiment is:

[0029] When the vacuum gauge is positioned and installed for built-in use, the vacuum gauge body 24 is fixed in the embedding frame 22, and then the embedding frame 22 is fixed on the built-in box 21. The fixing and positioning of this structure ensures the stable position of the vacuum gauge body 24. When the vacuum gauge body 24 is embedded, the outer positioning insert ring 25 is inserted into the positioning groove 27 on the positioning insert ring 25. The positioning insert ring 25 can keep the vacuum gauge body 24 in a front view state, and the fixation of the perspective screen 26 allows the user to clearly observe the reading of the vacuum gauge, thereby improving the positioning effect and convenience of use of the vacuum pump. The two built-in boxes 21 are firmly fixed by the threaded connection of the fixing bolts 31. The activity of the connecting spring 32 can absorb vibration and impact, thereby maintaining the stability of the built-in mechanism 2. The fixation of the positioning ring 33 also helps to ensure the overall stability and accuracy of the built-in mechanism 2.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] The standard parts used in this application document can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. Therefore, this application document will no longer explain the control method and circuit connection in detail.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A vacuum pump with a built-in vacuum gauge, comprising a pump body (1), characterized in that: The upper surface of the pump body (1) is provided with a built-in mechanism (2) for improving the built-in positioning effect, and the left and right sides of the built-in mechanism (2) are provided with fixing mechanisms (3) for improving the fixing effect; The built-in mechanism (2) comprises two built-in boxes (21), an embedding frame (22), two positioning bases (23), a vacuum gauge body (24), two positioning insert rings (25) and a perspective screen (26); the built-in boxes (21) are fixed to the upper surface of the pump body (1); the front faces of the two built-in boxes (21) are provided with embedding grooves, and the embedding frames (22) are fixed to the inner walls of the embedding grooves; the two positioning bases (23) are respectively fixed to the front and rear sides of the inner bottom wall of the embedding frame (22); the vacuum gauge body (24) is placed inside the embedding frame (22); the two positioning insert rings (25) are fixed to the outer side of the vacuum gauge body (24); and the perspective screen (26) is fixed to the inner wall of the embedding frame (22) and is located on the front face of the vacuum gauge body (24).

2. A vacuum pump with a built-in vacuum gauge according to claim 1, characterized in that: The positioning base (23) is semicircular in shape, and a positioning groove (27) is provided on the upper surface of the positioning base (23).

3. A vacuum pump with a built-in vacuum gauge according to claim 1, characterized in that: The positioning insert ring (25) is inserted between the front and rear inner walls of the positioning groove (27), and a rubber pad (28) is fixed inside the embedded frame (22) and outside the vacuum gauge body (24).

4. A vacuum pump with a built-in vacuum gauge according to claim 1, characterized in that: Two support springs (29) are fixed to the back wall of the inner cavity of the embedded frame (22), and support pads (210) are fixed to the front ends of the two support springs (29).

5. A vacuum pump with a built-in vacuum gauge according to claim 1, characterized in that: The fixing mechanism (3) comprises four fixing bolts (31), four connecting springs (32) and a positioning ring (33); four stepped screw holes (34) are respectively provided on opposite sides of the two built-in boxes (21); the four fixing bolts (31) are respectively threadedly connected to the inner walls of the four stepped screw holes (34); the four connecting springs (32) are respectively movably sleeved on the outer sides of the four fixing bolts (31); and the positioning ring (33) is fixed to the lower surface of the upper built-in box (21).

6. A vacuum pump with a built-in vacuum gauge according to claim 5, characterized in that: A connection groove is provided on the upper surface of the built-in box (21) at the lower side, and a positioning ring (33) is slidably connected to the inner wall of the connection groove.

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