Quick-release connector for pressure gauge

Abstract

The utility model discloses a pressure gauge quick-release connector, which relates to the technical field of pressure gauge quick-release connection and comprises a pressure gauge body, a gauge outfit connecting pipe is arranged at the bottom of the pressure gauge body, a fixing disc is arranged at the lower end of the gauge outfit connecting pipe, and a clamping assembly is arranged in a first through hole in the middle of the fixing disc. A fixing pipe is arranged at the lower end of the fixing disc, a plurality of clamping plates are fixedly arranged at the bottom of the fixing pipe in an annular array mode, a guide pipe is arranged at the lower end of the fixing pipe, and clamping grooves matched with the clamping plates are formed in the upper end of the guide pipe. The clamping plate is matched with the clamping groove to achieve rapid rotating, clamping and fixing of the fixed pipe and the guide pipe, rotation of the fixed pipe is limited through the limiting assembly, high stability and sealing performance are achieved, operation is easy, mounting and dismounting are convenient, the connecting workload of workers is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge quick detachable connection technical field, concretely relates to a pressure gauge quick detachable connector. BACKGROUND

[0002] Pressure gauge is the core instrument in the industrial measurement and control field, is widely used in energy industry, manufacturing industry, chemical industry field etc. industry, and the pressure in the pipeline and equipment needs real-time, accurate monitoring, and pressure gauge is frequently installed, disassembled and replaced to meet different working condition requirements and the requirement of periodical calibration and maintenance.

[0003] In the traditional pressure gauge connection mode, the threaded connection mode has many disadvantages. In the installation process, the operator needs to use a wrench and other tools, and it takes a lot of effort to tightly screw the threads. The operation is complicated, and when disassembling, it is also necessary to use tools to screw in reverse. Due to the rusting, deformation and other situations of the threads in the long-term use process, the disassembly process is extremely difficult, and the pressure gauge or the equipment interface may be damaged, resulting in low detection efficiency of the pressure gauge in actual use, and the quick detachable connection cannot be achieved. UTILITY MODEL CONTENTS

[0004] The utility model discloses a pressure gauge quick detachable connector, and solves the following technical problems: the traditional pressure gauge threaded connection needs the operator to use a wrench and other tools in the installation process, and it takes a lot of effort to tightly screw the threads. The operation is complicated, and when disassembling, it is also necessary to use tools to screw in reverse. Due to the rusting, deformation and other situations of the threads in the long-term use process, the disassembly process is extremely difficult, and the pressure gauge or the equipment interface may be damaged.

[0005] The purpose of the utility model can be realized by the following technical scheme:

[0006] A pressure gauge quick detachable connector, comprising a pressure gauge body, a gauge head connecting pipe is arranged at the bottom of the pressure gauge body, a fixing disc is arranged at the lower end of the gauge head connecting pipe, a first through hole is formed in the middle of the fixing disc, a plurality of clamping assemblies are arranged in array on the inner side wall of the first through hole, the clamping assemblies are used for clamping and fixing the gauge head connecting pipes with different diameters, a fixing pipe is arranged at the lower end of the fixing disc, a plurality of clamping plates are fixed in annular array at the bottom of the fixing pipe, a guide pipe is arranged at the lower end of the fixing pipe, a clamping groove is formed at the upper end of the guide pipe, the lower end of the guide pipe is connected with a pipeline to be measured, a limiting assembly is arranged on the inner side wall of the guide pipe, and the limiting assembly is used for limiting the rotation of the fixing pipe.

[0007] As a further scheme of the utility model: the limiting assembly includes the second through hole symmetrically opened on the side wall of the guide pipe, the middle part of the second through hole is provided with a limiting plate, the inside of the second through hole is movably provided with a limiting rod, one end of the limiting rod is fixedly provided with a limiting block on the inside of the second through hole, the other end of the limiting rod is fixedly provided with a baffle on the outside of the second through hole, the limiting rod is sleeved with a first spring and a second spring at both ends of the limiting plate, the outside wall of the fixed pipe is symmetrically provided with a limiting groove matched with the limiting block.

[0008] As a further scheme of the utility model: one end of the first spring is fixedly connected with the limiting block, the other end of the first spring is fixedly connected with the limiting plate, one end of the second spring is fixedly connected with the limiting plate, the other end of the second spring is fixedly connected with the baffle.

[0009] As a further scheme of the utility model: the clamping groove includes a butt joint groove and a clamping groove, the clamping plate is designed to be narrow at the top and wide at the bottom, the top end of the clamping groove of the clamping groove is designed to be narrow, and is matched with the clamping plate.

[0010] As a further scheme of the utility model: the clamping assembly includes a sliding groove opened on the side wall of the first through hole, a clamping rod is slidably arranged in the sliding groove, one end of the clamping rod is fixedly provided with a clamping plate, the other end of the clamping rod is movably sleeved with a fixed disc, and an elastic member is sleeved on the outer surface of the clamping rod and fixed between the clamping plate and the sliding groove.

[0011] As a further scheme of the utility model: the elastic member is a spring.

[0012] As a further scheme of the utility model: an arc-shaped groove is formed in the contact surface between the top head connecting pipe and the clamping plate.

[0013] As a further scheme of the utility model: a fastener is arranged between the top head connecting pipe and the fixed disc, and a sealing gasket is arranged between the fastener and the top head connecting pipe.

[0014] The utility model discloses the beneficial effect:

[0015] (1) the utility model discloses a clamping plate and clamping groove are matched to realize the clamping fixing of fixed pipe and guide pipe, the relative rotation of fixed pipe and guide pipe is limited through limiting assembly, the clearance between connecting pieces is sealed through sealing gasket, and the utility model has strong stability and sealing property.

[0016] (2) the utility model discloses an elastic member, clamping plate and arc-shaped groove, the clamping plate has a certain moving range, can be applicable to the clamping and fixing of top head connecting pipes of different diameters, the arc-shaped groove is convenient for the quick plug-in fixing of top head connecting pipes, and the convenience of dismounting and mounting is improved. ACCURATE DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of fixed pipe and guide pipe of the utility model;

[0020] Figure 3 It is the structure schematic diagram of fixed pipe upper limiting assembly of the utility model;

[0021] Figure 4 It is the structure schematic diagram of fixed disc upper clamping assembly of the utility model.

[0022] In the figure: 1, pressure gauge body;2, meter head connecting pipe;3, fixed disc;4, first through-hole;5, fixed pipe;6, clamping plate;7, guide pipe;8, clamping groove;9, second through-hole;10, limiting plate;11, limiting rod;12, limiting block;13, baffle;14, first spring;15, second spring;16, limiting slot;17, sliding slot;18, clamping rod;19, clamping plate;20, elastic member;21, arc slot;22, fastener;23, sealing gasket. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and 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.

[0024] Embodiment one: please refer to Figures 1-3The utility model discloses a pressure gauge quick detachable connector, including pressure gauge body 1, the bottom of pressure gauge body 1 is provided with the table head connecting pipe 2, the lower extreme of table head connecting pipe 2 is provided with the fixed disc 3, the middle part of fixed disc 3 is through and is provided with first through -hole 4, the diameter of first through -hole 4 is greater than the diameter of table head connecting pipe 2, the inner side wall of first through -hole 4 is provided with a plurality of clamping assemblies, the clamping assembly is used for the table head connecting pipe 2 clamping fixed of different diameters, promotes the adaptability of equipment, the lower extreme of fixed disc 3 is provided with fixed pipe 5, the bottom annular array of fixed pipe 5 is provided with a plurality of clamping plates 6, in the embodiment case, the number of clamping plate 6 is 3, the lower extreme of fixed pipe 5 is provided with guide pipe 7, the upper end of guide pipe 7 is provided with the clamping groove 8 matched with clamping plate 6, the lower extreme of guide pipe 7 is connected with the pipeline to be measured through the connecting pipe, the inner side wall of guide pipe 7 is provided with the limiting assembly, the limiting assembly is used for the rotation of fixed pipe 5 is limited, guarantees the stability of pressure gauge body 1 connection, through the clamping plate 6 rotation of fixed pipe 5 bottom enters the clamping groove 8 in the upper end of guide pipe 7, the displacement of clamping plate 6 is limited, then through the limiting assembly rotation of fixed pipe 5 is limited, realizes pressure gauge body 1 quick detachable connection.

[0025] The limiting assembly includes the second through -hole 9 that opens symmetry on the lateral wall of guide pipe 7, the middle part of second through -hole 9 is provided with limiting plate 10, one end of limiting plate 10 is through and is movably provided with limiting rod 11 in the inside of second through -hole 9, the one end of limiting rod 11 is fixedly provided with limiting block 12 on the inside of second through -hole 9, the other end of limiting rod 11 is fixedly provided with baffle 13 on the outside of second through -hole 9, the outside wall camber of baffle 13 is matched with the outside wall of guide pipe 7, the both ends of limiting rod 11 are sleeved with first spring 14 and second spring 15 of limiting plate 10, the outside wall of fixed pipe 5 is provided with the limiting slot 16 matched with limiting block 12, the position of limiting block 12 and limiting slot 16 is arranged, guarantees after the one end lateral wall of clamping plate 6 is rotated and is close to clamping groove 8, limiting block 12 just is clamped and is fixed with limiting slot 16, through the rear shift baffle 13 drive second spring 15 and first spring 14 stretch, limiting block 12 is moved to the inside of second through -hole 9, is clamped and is fixed after rotating fixed pipe 5, limiting block 12 and limiting slot 16 cooperate to complete the rotation of limiting of fixed pipe 5, limit the rotation of fixed pipe 5 relative to guide pipe 7, when needs to be disassembled, pull baffle 13 and remove the rotation limit of limiting block 12 to fixed pipe 5, and fixed pipe 5 and guide pipe 7 rotate, to realize quick detachable connection.

[0026] One end of first spring 14 is fixedly connected with limiting block 12, the other end of first spring 14 is fixedly connected with limiting plate 10, one end of second spring 15 is fixedly connected with limiting plate 10, the other end of second spring 15 is fixedly connected with baffle 13.

[0027] The clamping plate 6 is designed to be narrow at the top and wide at the bottom, the width of the upper end is smaller than that of the lower end, the upper end of the clamping groove 8 is designed to be narrow, the width of the upper end is smaller than that of the lower end, the width of one end of the sliding groove of the clamping groove 8 is adapted to the width of the lower end of the clamping plate 6, when the clamping plate 6 is aligned with the sliding groove of the clamping groove 8 and pressed downward, the width of the sliding groove of the clamping groove 8 is adapted to the width of the lower end of the clamping plate 6, after the clamping plate 6 is sleeved, the clamping plate 6 is rotated to be in the clamping groove of the clamping groove 8, the upper end of the clamping groove of the clamping groove 8 is designed to be narrow, thereby limiting the vertical displacement of the clamping plate 6, and the quick clamping and fixing of the fixed pipe 5 are realized.

[0028] In summary, the quick release connector of the pressure gauge is used, the limiting rod 11 is driven to move backward by the baffle 13, the limiting block 12 is moved to the inside of the second through hole 9, the clamping plate 6 at the bottom of the fixed pipe 5 is rotated to enter the clamping groove 8 at the upper end of the guide pipe 7, the displacement of the clamping plate 6 is limited, the clamping plate 6 is designed to be narrow at the top and wide at the bottom, and the lower end of the clamping groove 8 is wide and the upper end is narrow, thereby limiting the vertical displacement of the clamping plate 6, when the clamping plate 6 is tightly attached to one side of the clamping groove 8, the rotation of the fixed pipe 5 and the guide pipe 7 is limited by the cooperation of the limiting block 12 and the limiting groove 16.

[0029] Example two: on the basis of example one, please refer to Figure 1 , Figure 4 The clamping assembly includes a sliding groove 17 opened on the side wall of the first through hole 4, the clamping rod 18 is slidably arranged in the sliding groove 17, the clamping plate 19 is fixedly arranged on the outer side wall of the first through hole 4 close to the clamping rod 18, one end of the clamping rod 18 away from the first through hole 4 is movably sleeved with the fixed disc 3, the clamping rod 18 can reciprocally slide left and right in the fixed disc 3, the elastic element 20 is sleeved with the outer surface of the clamping rod 18, one end of the elastic element 20 is fixedly connected with the clamping plate 19, the other end of the elastic element 20 is fixedly connected with the inner side wall of the sliding groove 17, the elastic element 20 applies force to the clamping plate 19, so that the two clamping plates 19 move towards each other to fix the gauge head connecting pipe 2 of the pressure gauge body 1.

[0030] The elastic element 20 is a spring, and the end of the elastic element 20 is fixedly provided with a rubber pad to protect the gauge head connecting pipe 2 and make the connection between the elastic element 20 and the gauge head connecting pipe 2 more close.

[0031] The upper end of the clamping plate 19 is provided with an arc-shaped groove 21 in contact with the surface head connecting pipe 2, the arc-shaped groove 21 is designed to facilitate the quick insertion of the surface head connecting pipe 2, when the surface head connecting pipe 2 is inserted, the clamping plate 19 is pressed backward along the inner side wall of the arc-shaped groove 21, the elastic element 20 stores elastic potential energy, when the surface head connecting pipe 2 is completely penetrated to the bottom of the fixed disc 3, the elastic element 20 drives the clamping plate 19 to axially fix and clamp the surface head connecting pipe 2.

[0032] The fastener 22 is arranged between the surface head connecting pipe 2 and the fixed disc 3, the fastener 22 can be a hexagonal bolt for fixing the surface head connecting pipe 2, the sealing gasket 23 is arranged between the fastener 22 and the surface head connecting pipe 2, the sealing gasket 23 is used for fixing and sealing the fastener 22 and the surface head connecting pipe 2, so as to ensure the accuracy of the detection value of the pressure gauge body 1, the size of the fastener 22 changes with the diameter of the surface head connecting pipe 2, the fastener 22 matched with the diameter of the surface head connecting pipe 2 is selected, so as to ensure the stability of the connection and improve the tightness.

[0033] In summary, the clamping plate 19 drives the clamping rod 18 to move backward, so as to press the elastic element 20, the clamping plate 19 has a certain moving range, can adapt to the clamping and fixing detection of the surface head connecting pipe 2 with different diameters, the arc-shaped groove 21 is designed to facilitate the quick insertion of the surface head connecting pipe 2, after the insertion is completed, the elastic element 20 is used to apply pressure to clamp and fix the surface head connecting pipe 2, at the same time, the fastener 22 and the sealing gasket 23 between the surface head connecting pipe 2 and the fixed disc 3 are matched to quickly fix the surface head connecting pipe 2, so as to improve the stability of the connection.

[0034] Embodiment three

[0035] This embodiment is obtained by combining embodiment one and embodiment two.

[0036] The above realizes the quick disassembly and assembly of the pressure gauge, and enhances the compatibility of the equipment to the connecting pipes with different sizes, and significantly improves the overall adaptability.

[0037] The above describes one embodiment of the utility model in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the application range of the utility model should still belong to the patent coverage range of the utility model.

Claims

1. A quick-release connector for a pressure gauge, characterized in that, The utility model provides a pressure gauge body (1) is provided with the table head connecting pipe (2) in the bottom, the lower end of table head connecting pipe (2) is provided with fixed disc (3), the middle part of fixed disc (3) is provided with first through -hole (4), the inner side wall of first through -hole (4) is provided with a plurality of clamping assemblies in array, and the clamping assemblies are used for clamping and fixing the table head connecting pipe (2) of different diameters, the lower end of fixed disc (3) is provided with fixed pipe (5), the bottom of fixed pipe (5) is provided with a plurality of clamping plates (6) in annular array, the lower end of fixed pipe (5) is provided with guide pipe (7), the upper end of guide pipe (7) is provided with clamping groove (8), the lower end of guide pipe (7) is connected with the pipeline to be measured, the inner side wall of guide pipe (7) is provided with limiting assembly, and the limiting assembly is used for limiting the rotation of fixed pipe (5).

2. A pressure gauge quick disconnect coupling according to claim 1, wherein, The limiting assembly includes the second through -hole (9) that is opened in the symmetry of the side wall of guide pipe (7), the middle part of second through -hole (9) is provided with limiting plate (10), the inside of second through -hole (9) is movably provided with limiting rod (11), one end of limiting rod (11) is fixedly provided with limiting block (12) on the inner side of second through -hole (9), the other end of limiting rod (11) is fixedly provided with baffle (13) on the outer side of second through -hole (9), the limiting rod (11) is sleeved with first spring (14) and second spring (15) on both ends of limiting plate (10), and the outer side wall of fixed pipe (5) is provided with limiting groove (16) matched with limiting block (12) in symmetry.

3. A pressure gauge quick disconnect coupling according to claim 2, wherein, One end of the first spring (14) is fixedly connected with the limiting block (12), the other end of the first spring (14) is fixedly connected with the limiting plate (10), one end of the second spring (15) is fixedly connected with the limiting plate (10), and the other end of the second spring (15) is fixedly connected with the baffle (13).

4. A pressure gauge quick disconnect coupling according to claim 1, wherein, The clamping groove (8) includes a docking groove and a clamping groove, the clamping plate (6) is designed to be narrow at the top and wide at the bottom, the clamping groove of the clamping groove (8) is designed to be narrow at the top, and is matched with the clamping plate (6).

5. A pressure gauge quick disconnect coupling according to claim 1, wherein, The clamping assembly includes a sliding groove (17) formed in the side wall of the first through -hole (4), a clamping rod (18) slidably disposed in the sliding groove (17), a clamping plate (19) fixedly provided at one end of the clamping rod (18), and the other end of the clamping rod (18) movably sleeved with the fixed disc (3), and an elastic member (20) sleeved on the outer surface of the clamping rod (18) and fixed between the clamping plate (19) and the sliding groove (17).

6. A pressure gauge quick disconnect coupling according to claim 5, wherein, The elastic member (20) is a spring.

7. A pressure gauge quick disconnect coupling according to claim 5, wherein, An arc-shaped groove (21) is formed in the upper end of the clamping plate (19) and the contact surface of the table head connecting pipe (2).

8. A pressure gauge quick disconnect coupling according to claim 1, wherein, A fastener (22) is arranged between the table head connecting pipe (2) and the fixed disc (3), and a sealing gasket (23) is arranged between the fastener (22) and the table head connecting pipe (2).

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