Portable maintenance pressure gauge

Abstract

The utility model discloses a portable maintenance pressure gauge, which relates to the technical field of pressure gauges and comprises a pressure gauge body, the bottom of the pressure gauge body is slidably connected with a protective frame, a top plate is fixedly arranged at one end of the side edge of the pressure gauge body, a pull rod is rotatably arranged at the upper end of the top plate, and a rectangular plate is arranged at one end of the pull rod. A first spring is arranged between the protection frame and the top plate, a mounting seat is arranged at the lower end of the protection frame, a shaft rod is arranged in the mounting seat, one end of the shaft rod is fixedly connected with a limiting block, and the other end of the shaft rod is fixedly connected with a second sliding block; the top plate is driven by the pull rod to move, the connecting pipe is moved into the protective frame, the connecting pipe is prevented from being mechanically damaged in the carrying process, the service life of equipment is prolonged, the limiting block is matched with the limiting groove, the connecting pipe is prevented from being damaged, and the service life of the equipment is prolonged. And the mounting seat and the protective frame can be quickly disassembled and assembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, concretely relates to a portable maintenance pressure gauge. BACKGROUND

[0002] In many industrial fields and daily life, pressure measurement and monitoring is a crucial work. In chemical industry, petroleum, natural gas and other industries, the pressure in various pipelines and equipment needs to be accurately measured and monitored to ensure the safety and stability of the production process; in heating, ventilation and air conditioning systems, accurate pressure measurement helps to optimize system performance and improve energy efficiency; in automobile repair, household gas equipment maintenance and other scenarios, related pressure also needs to be detected. Traditional pressure gauges are often large in size and inconvenient to carry, making it difficult to meet the needs of on-site rapid detection and mobile operation. Therefore, portable maintenance pressure gauges have emerged as the times require.

[0003] The protruding connecting pipe of the existing portable maintenance pressure gauge is prone to mechanical damage during transportation, such as being squeezed, collided or dropped, which may cause bending, flattening or deformation, affecting the passage of the connecting pipe or even causing the connecting pipe to break. The threads at the end of the connecting pipe may be scratched or deformed due to friction or impact, affecting the sealing performance and reducing the detection accuracy. Based on the above background, a portable maintenance pressure gauge is designed to effectively solve the problem of mechanical damage to the connecting pipe of the existing pressure gauge during transportation, which has important practical significance. SUMMARY

[0004] The utility model aims at providing a kind of portable maintenance pressure gauge, solve the following technical problems: the connecting pipe of the existing portable maintenance pressure gauge does not take necessary protective measures, protruding connecting pipe is squeezed, collided or dropped during transportation, which may cause bending, flattening or deformation, affecting the passage of the connecting pipe or even causing the connecting pipe to break. The threads at the end of the connecting pipe may be scratched or deformed due to friction or impact, affecting the sealing performance and reducing the detection accuracy.

[0005] The utility model can achieve the purpose by the following technical scheme: a kind of portable maintenance pressure gauge, including pressure gauge body and connecting pipe, the detection end of the pressure gauge body is fixedly connected with connecting pipe, the bottom of the pressure gauge body is slidably connected with protection frame, the upper and lower ends of the protection frame are both provided with notches, the upper end of the side edge of the pressure gauge body is provided with adjusting assembly, the adjusting assembly includes the top plate fixedly arranged in one end of the side edge of the pressure gauge body, the upper end of the top plate is rotatably provided with pull rod, the pull rod is fixedly provided with rectangular plate on the outer side of the protection frame through the notches, and the pull rod is used to pull the top plate to drive the connecting pipe to realize reciprocating motion.

[0006] As a further scheme of the utility model: first spring is symmetrically fixed between the protection frame and the top plate.

[0007] As a further scheme of the utility model: the both ends of the protection frame are symmetrically provided with limiting assemblies, the limiting assembly comprises a first sliding block which is slidably arranged on the vertical plate of the inner side wall of the protection frame, one end of the first sliding block is fixedly connected with a positioning column, the outer surface of the positioning column is slidably sleeved with a positioning sleeve, and the both ends of the two positioning sleeves are fixedly provided with the same limiting plate.

[0008] As a further scheme of the utility model: the inside of the positioning sleeve is provided with a limiting spring which is fixed with the positioning column and the limiting plate.

[0009] As a further scheme of the utility model: the lower end of the protection frame is provided with a mounting seat, the upper end of the mounting seat is provided with a clamping groove matched with the protection frame, and the left and right ends of the mounting seat are provided with clamping assemblies.

[0010] As a further scheme of the utility model: the left and right end protruding parts of the mounting seat are symmetrically provided with sliding grooves, the clamping assembly comprises an axle rod which is symmetrically movably arranged in the sliding groove, one end of the axle rod is fixedly connected with a limiting block, the other end of the axle rod is fixedly connected with a second sliding block, and the axle rod is sleeved with a second spring fixed between the limiting block and the sliding groove.

[0011] As a further scheme of the utility model: the outer side wall of the second sliding block is provided with a groove.

[0012] As a further scheme of the utility model: the left and right ends of the protection frame are symmetrically fixedly provided with rectangular blocks, and the both ends of the two rectangular blocks are symmetrically provided with limiting grooves matched with the limiting blocks.

[0013] The utility model discloses the beneficial effects of:

[0014] (1) the utility model discloses a protection frame, top plate, draw bar, rectangular plate and first spring are set up, and the draw bar drives top plate to remove, and the connecting pipe is removed to the inside of protection frame, avoids the mechanical damage of connecting pipe in the transportation process, thereby improving the service life of equipment, and the limiting of limiting plate is removed, and the first spring pushes out the connecting pipe from the protection frame, and the quick connection detection of pressure gauge can be realized.

[0015] (2) the utility model discloses that the second sliding block is driven to move, and the limiting block is embedded in the limiting groove, and when the mounting seat and the protection frame are completed butt joint, the second sliding block is loosened, and the second spring releases the potential energy and pushes the limiting block and the limiting groove to form the clamping, realizes the quick installation of pressure gauge, and thereby the dismounting efficiency of equipment is improved significantly. DRAWINGS

[0016] The utility model will be further described in connection with the drawings.

[0017] Figure 1 is the overall structure schematic view of the utility model;

[0018] Figure 2 is the structure schematic view of the utility model pressure gauge and mounting seat after clamping;

[0019] Figure 3 is the structure schematic view of the utility model limiting assembly;

[0020] Figure 4 is the overhead structure schematic view of the utility model mounting seat.

[0021] In the figure: 1, pressure gauge body;2, connecting pipe;3, protection frame;31, notched;4, adjusting assembly;41, top plate;42, pull rod;43, rectangular plate;44, first spring;5, limiting assembly;51, vertical plate;52, sliding slot;53, first sliding block;54, positioning column;55, positioning sleeve;56, limiting plate;57, limiting spring;6, mounting seat;61, clamping groove;62, through hole;63, sliding slot;7, clamping assembly;71, shaft;72, limiting block;73, second sliding block;731, recess;74, second spring;8, rectangular block;81, limiting slot. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment one: please refer to Figures 1-3The utility model discloses a portable maintenance pressure gauge, including pressure gauge body 1 and connecting pipe 2, the detection end fixed connection of pressure gauge body 1 has connecting pipe 2, the outside of pressure gauge body 1 is slidably connected with the protection frame 3, the height of protection frame 3 is slightly greater than the height of pressure gauge body 1, guarantee in the carrying process, the dial of pressure gauge body 1 and other components contact less, reduce the wear and tear of pressure gauge body 1 dial, the upper and lower end of protection frame 3 all are set with the notched mouth 31, the notched mouth 31 of protection frame 3 upper end is rectangular, the notched mouth 31 of protection frame 3 lower end is circular, the diameter of lower end notched mouth 31 is slightly greater than the diameter of connecting pipe 2, the upper end of pressure gauge body 1 side edge is provided with adjusting assembly 4, adjusting assembly 4 is used for adjusting the relative position of pressure gauge body 1 and protection frame 3, adjusting assembly 4 includes the top plate 41 of fixed setting on pressure gauge body 1 side edge upper end, the upper end of top plate 41 is rotatably provided with pull rod 42, pull rod 42 is fixed with rectangular plate 43 at the upper end of protection frame 3 through notched mouth 31, the first spring 44 is fixed between protection frame 3 and top plate 41 symmetrically, by rectangular plate 43 pull top plate 41 drive pressure gauge body 1 go up, move connecting pipe 2 to the inside of protection frame 3, rotate rectangular plate 43, so that rectangular plate 43 is perpendicular to notched mouth 31, realize the limiting of rectangular plate 43, to guarantee in the transportation carrying process, the connecting pipe 2 of pressure gauge body 1 is exempted from mechanical (bending or deformation, thread damage and cracking) or protective layer plating, coating and other damage, the first spring 44 stores elastic potential energy in the process of rectangular plate 43 movement, after the rotation of rectangular plate 43 removes the limiting, the first spring 44 drives top plate 41 to go down, thereby the connecting pipe 2 of pressure gauge body 1 bottom is ejected from the outside of protection frame 3 lower end notched mouth 31, at this moment, connecting pipe 2 can connect the pipe to be measured, carries out pressure detection, simultaneously, the first spring 44 can absorb certain elastic potential energy in the process of pressure gauge body 1 movement, avoids the damage of vibration to pressure gauge, prolongs the service life of equipment.

[0024] The two ends of the protection frame 3 are symmetrically provided with a limiting assembly 5, the limiting assembly 5 includes a vertical plate 51 fixedly arranged on the inner side wall of the protection frame 3, one end of the vertical plate 51 is provided with a sliding groove 52, the first sliding block 53 is slidably arranged in the sliding groove 52, one end of the first sliding block 53 is fixedly connected with a positioning column 54, the positioning sleeve 55 is slidably sleeved on the outer surface of the positioning column 54, one end of the two positioning sleeves 55 is fixedly connected with the same limiting plate 56, and the limiting spring 57 is arranged in the positioning sleeve 55 and fixed with the positioning column 54 and the limiting plate 56.

[0025] In summary, a portable maintenance pressure gauge, when in use, the top plate 41 is pulled by the rectangular plate 43 to drive the pressure gauge body 1 to move up, the connecting pipe 2 is moved to the inside of the protective frame 3, the rectangular plate 43 is rotated, the rectangular plate 43 is perpendicular to the notch 31, which is used for limiting left and right, avoiding the pressure gauge from being bent or deformed, thread damaged and cracked and other mechanical damage during carrying, reducing the service life of the pressure gauge, after the limiting of the rectangular plate 43 is released, the first spring 44 drives the top plate 41 to move down, the connecting pipe 2 is ejected from the outside of the notch 31 at the lower end of the protective frame 3, and the connecting pipe 2 is connected to the pipeline to be detected to detect the pressure.

[0026] Example two: on the basis of example one, please refer to Figure 4 As shown, the lower end of the protective frame 3 is provided with a mounting seat 6, the upper end of the mounting seat 6 is provided with a clamping groove 61 matched with the protective frame 3, and the left and right ends of the mounting seat 6 are provided with clamping assemblies 7, which are used to realize the quick disassembly and assembly of the mounting seat 6 and the protective frame 3.

[0027] The upper and lower ends of the mounting seat 6 are symmetrically provided with through holes 62, the inside of the protruding part of the left and right ends of the mounting seat 6 is symmetrically provided with sliding grooves 63, the sliding grooves 63 are communicated with the through holes 62, the clamping assembly 7 comprises shaft rods 71 symmetrically movably arranged in the sliding grooves 63, one end of the shaft rod 71 is fixedly connected with a limiting block 72, the other end of the shaft rod 71 is fixedly connected with a second sliding block 73, the second sliding block 73 is slidably connected with the through holes 62 and the sliding grooves 63, the second sliding block 73 penetrates the through hole 62 to the outer wall of the mounting seat 6, and the shaft rod 71 is sleeved with a second spring 74 fixed between the limiting block 72 and the sliding groove 63.

[0028] The outer wall of the second sliding block 73 is provided with a groove 731, which is used to facilitate the reciprocating sliding of the second sliding block 73 on the through hole 62.

[0029] The left and right ends of the protective frame 3 are symmetrically fixedly provided with rectangular blocks 8, and one end of the rectangular block 8 is provided with a limiting groove 81 matched with the limiting block 72.

[0030] In summary, after the mounting seat 6 is installed by bolts, the groove 731 on the outer wall of the second sliding block 73 is pushed by both hands, the second sliding block 73 drives the shaft rod 71 to move, the limiting block 72 is moved to the inside of the sliding groove 63, at this time, the second spring 74 is extruded, stores elastic potential energy, and clamps the protective frame 3 into the clamping groove 61 on the upper end of the mounting seat 6, after butt joint, the second sliding block 73 is loosened, the second spring 74 drives the limiting block 72 to reset, the limiting block 72 is matched with the limiting groove 81, the quick disassembly and assembly of the mounting seat 6 and the protective frame 3 are realized, and the installation efficiency is improved.

[0031] Example three

[0032] Combining example one and example two obtains the present example.

[0033] The above traction protection of the pressure gauge connecting pipe 2 and the quick dismounting design of the mounting seat 6 and the protection frame 3 not only can avoid the mechanical damage of the connecting pipe 2 in the transportation process, but also can realize the quick dismounting of the pressure gauge and improve the installation efficiency.

[0034] The above has carried out the detailed explanation to one embodiment of the utility model, but the content described is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equivalent changes and improvements made in the utility model application scope should still belong to the patent coverage range of the utility model.

Claims

1. A portable maintenance pressure gauge, comprising a pressure gauge body (1) and a connecting pipe (2), the detection end of the pressure gauge body (1) is fixedly connected with the connecting pipe (2), characterized in that, The bottom of the pressure gauge body (1) is slidably connected with a protective frame (3), the upper and lower ends of the protective frame (3) are provided with notches (31), the upper end of the side edge of the pressure gauge body (1) is provided with an adjusting assembly (4), the adjusting assembly (4) comprises a top plate (41) fixedly arranged at one end of the side edge of the pressure gauge body (1), a pull rod (42) rotatably arranged at the upper end of the top plate (41), a rectangular plate (43) fixedly arranged outside the protective frame (3) through the notch (31), and the pull rod (42) is used for pulling the top plate (41) to drive the connecting pipe (2) to realize reciprocating motion.

2. A portable service gage according to claim 1, wherein, First springs (44) are symmetrically and fixedly arranged between the protective frame (3) and the top plate (41).

3. A portable service gage according to claim 1 wherein, Limiting assemblies (5) are symmetrically arranged at the two ends of the protective frame (3), the limiting assembly (5) comprises a first sliding block (53) slidably arranged on a vertical plate (51) of the inner side wall of the protective frame (3), one end of the first sliding block (53) is fixedly connected with a positioning column (54), the outer surface of the positioning column (54) is slidably sleeved with a positioning sleeve (55), and one end of the two positioning sleeves (55) is fixedly provided with the same limiting plate (56).

4. A portable service gage according to claim 3 wherein, The positioning sleeve (55) is provided with a limiting spring (57) fixed with the positioning column (54) and the limiting plate (56) in the interior.

5. A portable service gage according to claim 1 wherein, The lower end of the protective frame (3) is provided with a mounting seat (6), the upper end of the mounting seat (6) is provided with a clamping groove (61) matched with the protective frame (3), the left and right ends of the mounting seat (6) are provided with clamping assemblies (7), and the clamping assemblies (7) are used for realizing quick disassembly and assembly of the mounting seat (6) and the protective frame (3).

6. A portable service gage according to claim 5 wherein, The left and right end protruding portions of the mounting seat (6) are symmetrically provided with sliding grooves (63), the clamping assembly (7) comprises shaft rods (71) symmetrically and movably arranged in the sliding grooves (63), one end of the shaft rod (71) is fixedly connected with a limiting block (72), the other end of the shaft rod (71) is fixedly connected with a second sliding block (73), and the shaft rod (71) is sleeved with a second spring (74) fixed between the limiting block (72) and the sliding groove (63).

7. A portable service gage according to claim 6 wherein, The outer side wall of the second sliding block (73) is provided with a groove (731).

8. A portable service gage according to claim 1 wherein, The left and right ends of the protective frame (3) are symmetrically and fixedly provided with rectangular blocks (8), and the left and right ends of the two rectangular blocks (8) are symmetrically provided with limiting grooves (81) matched with the limiting block (72).

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