Pressure measurement calibrator

Abstract

The utility model discloses a pressure measurement calibrator, and relates to the technical field of pressure calibration, and the pressure measurement calibrator comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a pressure pump, the lower end of the bottom plate is fixedly connected with four supporting legs, the upper end of the bottom plate is fixedly connected with two damping mechanisms, and the upper ends of the two damping mechanisms are fixedly connected with a fixing mechanism. The fixing mechanism comprises a connecting plate, the upper end of the connecting plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a connecting piece, the two sides of the connecting piece are rotationally connected with two rotating rods, one ends of the two rotating rods are rotationally connected with a first connecting rod and a second connecting rod, and one end of the first connecting rod is rotationally connected with a supporting frame. According to the pressure meter calibration device, the pressure meter can be fixed in the calibration process, and the situation that the calibration of the pressure meter is not accurate, and consequently the use function is affected is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of pressure calibration, and in particular to a pressure measurement calibrator. Background Art

[0002] A pressure gauge is an instrument used to measure air pressure. There are many types of pressure gauges. A tire pressure gauge is a pressure gauge. It consists of a gauge head, a piston, a gauge body, a scale, a main spring, etc. There is only one pressure gauge port on the gauge head. It has a simple structure, a small range, high accuracy, and is easy to use. It is suitable for measuring the tire pressure of small vehicles such as mini cars and motorcycles. In the process of reproduction, a pressure calibrator is needed to detect the pressure gauge.

[0003] After checking the announcement number: CN220170436U, a pressure gauge calibrator is disclosed. This technology discloses "including a bottom plate, one side of the upper surface of the bottom plate is fixedly connected to an air pump body, the upper surface of the air pump body is slidably connected to a pressing component, one side of the air pump body is fixedly connected to a first air pipe, the other end of the first air pipe is fixedly connected to a switching component, one side of the switching component is fixedly connected to a fixing component through a second air pipe, and other technical solutions have the effect of calibrating a pressure gauge."

[0004] Regarding the above-mentioned related technologies, the inventor believes that this device lacks reliable fixation of the pressure gauge during calibration, which may easily lead to inaccurate calibration of the pressure gauge, thus affecting its use. In addition, during the calibration process, a pressure pump is required to perform stamping inspection and monitoring on the pressure gauge, but the vibration of the pressure pump will affect the calibration of the pressure gauge, resulting in calibration failure. Utility Model Content

[0005] The purpose of the present application is to provide a pressure gauge calibrator to improve the problem of inaccurate calibration of the pressure gauge caused by the lack of a reliable fixing mechanism, thereby affecting the use and the vibration generated by the pressure pump during the calibration process affecting the calibration of the pressure gauge, resulting in calibration failure.

[0006] The pressure measurement calibrator provided in this application adopts the following technical solution:

[0007] A pressure measurement calibrator includes a bottom plate. A pressure pump is fixedly connected to the upper end of the bottom plate. Four support legs are fixedly connected to the lower end of the bottom plate. Two shock-absorbing mechanisms are fixedly connected to the upper end of the bottom plate. A fixing mechanism is fixedly connected to the upper ends of the two shock-absorbing mechanisms. The fixing mechanism includes a connecting plate. A hole is formed in the upper end of the connecting plate. A cylinder is fixedly connected to the upper end of the connecting plate. A connecting member is fixedly connected to the output end of the cylinder. Two rotating rods are rotatably connected to both sides of the connecting member. One end of each of the two rotating rods is rotatably connected to a first connecting rod and a second connecting rod. One end of the first connecting rod is rotatably connected to a support frame, and the lower end of the support frame is fixedly connected to the connecting plate. One end of the second connecting rod is rotatably connected to a first fixing member. A second fixing member is fixedly connected to the upper end of the connecting plate, and the second fixing member is used in cooperation with the first fixing member.

[0008] By adopting the above technical solution, the pressure measuring instrument can be fixed during calibration to prevent movement from affecting the calibration effect.

[0009] Optionally, the two shock-absorbing mechanisms include fixing plates. An installation plate is fixedly connected to the lower end of the fixing plate. First fixing blocks are fixedly connected to both sides of the installation plate. A damping shock absorber is rotatably connected to one side of the first fixing block. One end of the damping shock absorber is rotatably connected to a second fixing block. A support plate is fixedly connected to one end of the second fixing block. A connecting arm is rotatably connected to one side of the support plate. One end of the connecting arm is rotatably connected to a connecting block, and one end of the connecting block is fixedly connected to the installation plate.

[0010] By adopting the above technical solution, the vibration generated by the pressure pump can be reduced to avoid affecting the calibration work.

[0011] Optionally, two sliding rods are fixedly connected to one side of the support frame, and one end of each of the two sliding rods passes through the first fixing member and is fixedly connected to the second fixing member.

[0012] By adopting the above technical solution, support and limit can be provided for the movement of the first fixing member.

[0013] Optionally, a slider is fixedly connected to the lower end of the connecting member. A slide rail is slidably connected to the lower end of the slider, and the lower end of the slide rail is fixedly connected to the connecting plate.

[0014] By adopting the above technical solution, support and limit can be provided for the movement of the connecting member.

[0015] Optionally, two reinforcing plates are fixedly connected to both sides of the installation plate, and the upper ends of the two reinforcing plates are fixedly connected to the fixing plate.

[0016] By adopting the above technical solution, the connection strength between the shock-absorbing mechanisms can be enhanced.

[0017] Optionally, two limiting rods are fixedly connected to the lower end of the support plate, and a support spring is sleeved on the outer surface of the two limiting rods.

[0018] By adopting the above technical solution, support can be provided for the shock absorption mechanism.

[0019] Optionally, one end of the pressure pump is fixedly connected with an air pipe, one end of the air pipe is fixedly connected with a corrugated pipe, a fixing ring is fixedly connected to the outer surface of the corrugated pipe, and the outer surface of the fixing ring is fixedly connected with the hole.

[0020] By adopting the above technical solution, pressure detection and calibration can be carried out on the pressure gauge.

[0021] Optionally, a fixing rod is fixedly connected between the four support legs, and a cross rod is fixedly connected to one side of the fixing rod.

[0022] By adopting the above technical solution, the four support legs are strengthened to prevent the device from collapsing.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting the fixing mechanism, under the action of the cylinder, the connecting piece, the rotating rod, the connecting rod and the fixing piece, the pressure gauge can be fixed during calibration, avoiding the situation that the pressure gauge is inaccurately calibrated, thus affecting the use function;

[0025] 2. By setting the shock absorption mechanism, under the action of the fixing plate, the mounting plate, the damping shock absorber, the connecting arm and the support spring, the function of reducing the vibration generated by the pressure pump from affecting the calibration of the pressure gauge and avoiding the situation of calibration failure can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the present utility model.

[0027] Figure 2 is a schematic diagram of the fixing mechanism of the present utility model.

[0028] Figure 3 is a schematic diagram of the shock absorption mechanism of the present utility model.

[0029] Figure 4 is a schematic diagram of the pressure pump of the present utility model.

[0030] In the figure, 1 is the bottom plate; 2 is the fixing mechanism; 20 is the sliding rod; 21 is the connecting plate; 211 is the hole; 22 is the cylinder; 23 is the connecting piece; 231 is the slider; 232 is the slide rail; 24 is the rotating rod; 25 is the first connecting rod; 26 is the support frame; 27 is the second connecting rod; 28 is the first fixing piece; 29 is the second fixing piece; 3 is the shock absorption mechanism; 31 is the fixing plate; 311 is the reinforcing plate; 32 is the mounting plate; 33 is the first fixing block; 34 is the damping shock absorber; 35 is the second fixing block; 36 is the support plate; 37 is the connecting arm; 371 is the connecting block; 38 is the limiting rod; 39 is the support spring; 4 is the pressure pump; 41 is the air pipe; 42 is the corrugated pipe; 43 is the fixing ring; 5 is the support leg; 51 is the fixing rod; 52 is the cross rod. Detailed implementation mode

[0031] The following is a further detailed description of the present application in conjunction with the attached Figure 1 - attached Figure 4 , and make a further detailed description of the present application.

[0032] Embodiment 1

[0033] A pressure measurement calibrator, referring to Figure 1 and referring to Figure 2 , includes a bottom plate 1. A pressure pump 4 is fixedly connected to the upper end of the bottom plate 1. Four support legs 5 are fixedly connected to the lower end of the bottom plate 1. Two shock absorption mechanisms 3 are fixedly connected to the upper end of the bottom plate 1. A fixing mechanism 2 is fixedly connected to the upper ends of the two shock absorption mechanisms 3. The fixing mechanism 2 includes a connecting plate 21. A hole 211 is opened at the upper end of the connecting plate 21. A cylinder 22 is fixedly connected to the upper end of the connecting plate 21. The output end of the cylinder 22 is fixedly connected to a connecting piece 23. Two rotating rods 24 are rotatably connected to both sides of the connecting piece 23. One ends of the two rotating rods 24 are rotatably connected to a first connecting rod 25 and a second connecting rod 27. One end of the first connecting rod 25 is rotatably connected to a support frame 26, and the lower end of the support frame 26 is fixedly connected to the connecting plate 21. One end of the second connecting rod 27 is rotatably connected to a first fixing piece 28. A second fixing piece 29 is fixedly connected to the upper end of the connecting plate 21, and the second fixing piece 29 is used in cooperation with the first fixing piece 28.

[0034] Referring to Figure 2 , two sliding rods 20 are fixedly connected to one side of the support frame 26, and one ends of the two sliding rods 20 penetrate through the first fixing piece 28 and are fixedly connected to the second fixing piece 29.

[0035] Referring to Figure 2 , a slider 231 is fixedly connected to the lower end of the connecting piece 23. The slider 231 is slidably connected to a slide rail 232, and the lower end of the slide rail 232 is fixedly connected to the connecting plate 21.

[0036] Referring toFigure 4 One end of the pressure pump 4 is fixedly connected with an air pipe 41. One end of the air pipe 41 is fixedly connected with a corrugated pipe 42. The outer surface of the corrugated pipe 42 is fixedly connected with a fixing ring 43, and the outer surface of the fixing ring 43 is fixedly connected with the hole 211.

[0037] Refer to Figure 1 A fixing rod 51 is fixedly connected between the four support legs 5. One side of the fixing rod 51 is fixedly connected with a cross rod 52.

[0038] The implementation principle of the embodiment of the present application is as follows: When calibrating the pressure gauge, first start the cylinder 22 on the fixing mechanism 2. The output end of the cylinder 22 drives the connecting member 23 to move along the slide rail 232 under the action of the slider 231. The movement of the connecting member 23 drives the rotating rod 24 to rotate. The rotation of the rotating rod 24 drives the first connecting rod 25 and the second connecting rod 27 to rotate. The rotation of the second connecting rod 27 drives the first fixing member 28 to move along the slide rod 20. The movement of the first fixing member 28 and the second fixing member 29 fix the pressure gauge. Then connect the corrugated pipe 42 with the pressure gauge, and start the pressure pump 4. The gas passes through the air pipe 41 and the corrugated pipe 42 and enters the pressure gauge for calibration.

[0039] Embodiment 2

[0040] The difference between this embodiment and Embodiment 1 is as follows:

[0041] Refer to Figure 3 Two of the shock absorption mechanisms 3 include a fixing plate 31. The lower end of the fixing plate 31 is fixedly connected with a mounting plate 32. Both sides of the mounting plate 32 are fixedly connected with first fixing blocks 33. One side of the first fixing block 33 is rotatably connected with a damping shock absorber 34. One end of the damping shock absorber 34 is rotatably connected with a second fixing block 35. One end of the second fixing block 35 is fixedly connected with a support plate 36. One side of the support plate 36 is rotatably connected with a connecting arm 37. One end of the connecting arm 37 is rotatably connected with a connecting block 371, and one end of the connecting block 371 is fixedly connected with the mounting plate 32. When the vibration generated by the pressure pump 4 is transmitted to the support plate 36, the support plate 36 is transmitted to the second fixing block 35 simultaneously under the action of the connecting arm 37. The second fixing block 35 reduces the vibration under the action of the damping shock absorber 34 and transmits it to the first fixing block 33. The reduced vibration is transmitted from the first fixing block 33 to the mounting plate 32, and the mounting plate 32 is transmitted to the fixing plate 31.

[0042] Refer to Figure 3 Both sides of the mounting plate 32 are fixedly connected with two reinforcing plates 311, and the upper ends of the two reinforcing plates 311 are fixedly connected with the fixing plate 31. The reduced vibration is transmitted from the mounting plate 32 to the fixing plate 31 under the action of the reinforcing plates 311.

[0043] Reference Figure 3 The lower end of the support plate 36 is fixedly connected with two limiting rods 38. A support spring 39 is sleeved on the outer surfaces of the two limiting rods 38, and the support spring 39 supports the shock absorption mechanism 3 along the limiting rods 38.

[0044] The embodiments of the specific implementation manners are all preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A pressure measurement calibrator, comprising a bottom plate (1), characterized in that: A pressure pump (4) is fixedly connected to the upper end of the bottom plate (1), four support legs (5) are fixedly connected to the lower end of the bottom plate (1), and two shock absorption mechanisms (3) are fixedly connected to the upper end of the bottom plate (1); the upper ends of the two shock absorption mechanisms (3) are fixedly connected to a fixing mechanism (2). The fixing mechanism (2) includes a connecting plate (21). A hole (211) is formed in the upper end of the connecting plate (21). A cylinder (22) is fixedly connected to the upper end of the connecting plate (21). The output end of the cylinder (22) is fixedly connected to a connecting member (23). Two rotating rods (24) are rotatably connected to both sides of the connecting member (23). One ends of the two rotating rods (24) are rotatably connected to a first connecting rod (25) and a second connecting rod (27). One end of the first connecting rod (25) is rotatably connected to a support frame (26), and the lower end of the support frame (26) is fixedly connected to the connecting plate (21). One end of the second connecting rod (27) is rotatably connected to a first fixing member (28). A second fixing member (29) is fixedly connected to the upper end of the connecting plate (21), and the second fixing member (29) is used in cooperation with the first fixing member (28).

2. The pressure measurement and calibration instrument according to claim 1, characterized in that: The two shock absorption mechanisms (3) include fixing plates (31). An installation plate (32) is fixedly connected to the lower end of the fixing plate (31). First fixing blocks (33) are fixedly connected to both sides of the installation plate (32). A damping shock absorber (34) is rotatably connected to one side of the first fixing block (33). One end of the damping shock absorber (34) is rotatably connected to a second fixing block (35). A support plate (36) is fixedly connected to one end of the second fixing block (35). A connecting arm (37) is rotatably connected to one side of the support plate (36). One end of the connecting arm (37) is rotatably connected to a connecting block (371), and one end of the connecting block (371) is fixedly connected to the installation plate (32).

3. A pressure measurement calibrator according to claim 1, characterized in that: Two sliding rods (20) are fixedly connected to one side of the support frame (26), and one ends of the two sliding rods (20) penetrate through the first fixing member (28) and are fixedly connected to the second fixing member (29).

4. A pressure measurement calibration instrument according to claim 1, characterized in that: A slider (231) is fixedly connected to the lower end of the connecting member (23). The slider (231) is slidably connected to a slide rail (232), and the lower end of the slide rail (232) is fixedly connected to the connecting plate (21).

5. A pressure measurement calibrator according to claim 2, characterized in that: Two reinforcing plates (311) are fixedly connected to both sides of the installation plate (32), and the upper ends of the two reinforcing plates (311) are fixedly connected to the fixing plate (31).

6. A pressure measurement calibration instrument according to claim 2, characterized in that: Two limiting rods (38) are fixedly connected to the lower end of the support plate (36). A support spring (39) is sleeved on the outer surface of the two limiting rods (38).

7. A pressure measurement calibrator according to claim 1, characterized in that: One end of the pressure pump (4) is fixedly connected to an air pipe (41). One end of the air pipe (41) is fixedly connected to a corrugated pipe (42). A fixing ring (43) is fixedly connected to the outer surface of the corrugated pipe (42), and the outer surface of the fixing ring (43) is fixedly connected to the hole (211).

8. A pressure measurement calibrator according to claim 1, characterized in that: A fixing rod (51) is fixedly connected between the four support legs (5), and a cross rod (52) is fixedly connected to one side of the fixing rod (51).

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