Quickly-connected flow meter

Abstract

A plurality of first counter bore grooves are distributed in a quick connector at equal intervals in a penetrating mode, a step table is arranged in the quick connector, a threaded opening is formed in the inner wall of the quick connector, a built-in sleeve is arranged in the quick connector in a sleeved mode, a step head is attached to the upper limit of the step table, and the threaded opening is meshed with a connecting assembly at one end of the step head in a threaded mode. The built-in sleeve is installed in the quick connector, the step head is attached to the upper limit of the step table, the built-in sleeve is prevented from sliding out of the interior of the quick connector, one end of the built-in sleeve installed on the quick connector can extend out, the end, extending out, of the built-in sleeve is connected with the interior of the inserting connector in a sleeved mode, and connection and assembly are conducted in an inserting mode in primary connection. And a worker can conveniently and rapidly assemble the flowmeter.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a quick-connect flow meter. Background Technique

[0002] There are various types of flow meters, such as differential pressure flow meters, rotor flow meters, throttling flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, etc. Classified by medium, they can be divided into liquid flow meters and gas flow meters;

[0003] For the installation of existing flow meters, the flange plates at the water inlet and outlet ends of the flow meter are flange-connected to the flange plates on the pipeline through multiple flange bolts arranged in an annular equidistant manner. The installation and fixation of the flange bolts are relatively cumbersome and laborious, the installation is not convenient, the sealing tightness effect is poor, and it is not convenient to quickly install the flow meter. Content of the Utility Model

[0004] The utility model provides a quick-connect flow meter to solve the problems of quick installation and tight sealing of the flow meter mentioned in the above background technique.

[0005] The technical solution of the utility model is realized as follows:

[0006] A quick-connect flow meter includes a flow meter. Plug connectors are provided at both ends of the flow meter, and a number of threaded grooves are equidistantly distributed at one end of the plug connector;

[0007] A built-in sleeve is detachably connected inside the plug connector. A stepped head is provided at one end of the built-in sleeve, and a quick-connect component is sleeved at one end of the stepped head;

[0008] The quick-connect component includes: a quick connector. A number of first counterbore grooves are equidistantly penetrated and distributed on the quick connector. A stepped platform is provided inside the quick connector, and a threaded port is provided on the inner wall of the quick connector. The built-in sleeve is sleeved inside the quick connector, and the stepped head fits on the stepped platform for positioning. A connecting component is threadedly engaged with the threaded port at one end of the stepped head.

[0009] Furthermore, the first counterbore grooves and the threaded grooves are concentrically matched. During the assembly process, the first counterbore grooves and the threaded grooves are kept concentrically matched. When the built-in sleeve is stably inserted into the plug connector, the position of the quick connector is adjusted so that the first counterbore grooves and the threaded grooves are concentrically matched. Then, bolts are passed through the first counterbore grooves and the threaded grooves, and the bolts are threadedly engaged in the threaded grooves, so that the plug connector and the quick connector are fixedly matched.

[0010] Furthermore, the connecting component includes a mating head, a flange plate and a socket joint. A mating head is provided at one end of the flange plate, a socket joint is provided at the other end of the flange plate. The mating head, the flange plate and the socket joint are kept in communication. An outer wall thread is provided on the outer wall of the mating head and meshes with the threaded port. A recessed opening is provided at one end of the mating head.

[0011] After the above-mentioned scheme, after the plug joint and the quick joint are fixedly fitted, the fitting head is then installed inside the quick joint. The outer wall thread and the thread port are meshed with each other to achieve stable fitting. Rotate the fitting head, and the fitting head moves inward. One end of the fitting head presses the surface of the stepped head, thereby further strengthening the nested installation of the built-in sleeve, stabilizing the built-in sleeve inside the quick joint to prevent loosening, and improving the tightness and sealing effect between assemblies.

[0012] Further, two raised platforms are equidistantly distributed at one end of the quick joint. A second counterbore groove is penetrated through the raised platform. A positioning nut is threadedly engaged in the second counterbore groove, and the bottom end of the positioning nut extends into the recessed opening.

[0013] After the above-mentioned scheme, after the fitting head is installed, the positioning nut is threadedly installed in the second counterbore groove, and the bottom end of the positioning nut extends into the recessed opening. The positioning nut is restricted in the recessed opening and cannot rotate the fitting head, which can prevent the connection assembly from falling off inside the quick joint, further improving the overall stability effect and strengthening the tight fit between assemblies.

[0014] Further, a first trapezoidal groove is provided at the bottom of one end of the quick joint. A first rubber ring is installed inside the first trapezoidal groove. A second trapezoidal groove is provided at the bottom of one end of the fitting head. A second rubber ring is installed inside the second trapezoidal groove.

[0015] After the above-mentioned scheme, the first counterbore groove and the thread groove are concentrically fitted. Then, a bolt is passed through the first counterbore groove and the thread groove, and the bolt is threadedly engaged in the thread groove. Rotate the tightened bolt to make the quick joint closely fit at one end of the plug joint, that is, the first rubber ring is squeezed. The outer wall thread and the thread port are meshed with each other, that is, the second rubber ring is squeezed. Combining the settings of the first rubber ring and the second rubber ring further improves the sealing effect of the overall assembly. Finally, a water pipe is sleeved outside the socket joint to complete the overall assembly.

[0016] Adopting the above technical scheme, the beneficial effects of the present utility model are as follows:

[0017] 1. Install the built-in sleeve inside the quick joint. The stepped head fits on the stepped platform for positioning, preventing the built-in sleeve from sliding out of the quick joint. One end of the built-in sleeve installed in the quick joint will extend out. The extended end of the built-in sleeve is sleeved inside the plug joint. The preliminary connection is carried out by plugging, which can facilitate the staff to quickly assemble the flowmeter.

[0018] 2. Threadedly engage and install the connection assembly with the thread port. One end of the connection assembly installed by threading will press the stepped head, making the built-in sleeve stably installed inside the quick joint, preventing loosening, and improving the tightness and sealing effect between assemblies.

[0019] 3. Threadedly install a positioning nut in the second counterbore groove, and the bottom end of the positioning nut extends into the recessed opening. The positioning nut is restricted within the recessed opening, preventing the mating head from rotating, preventing the connection assembly from falling off inside the quick connector, further improving the overall stability effect, and strengthening the tight fit between assemblies. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 is a perspective view of the present invention;

[0022] Figure 2 is a perspective cross-sectional view of the present invention;

[0023] Figure 3 is a perspective cross-sectional view of the present invention;

[0024] Figure 4 is a quick connection assembly diagram of the present invention;

[0025] Figure 5 is a cross-sectional view of the quick connection assembly of the present invention;

[0026] Figure 6 is a planar cross-sectional view of the present invention.

[0027] Among them: 1. Flowmeter; 11. Plug connector; 12. Threaded groove;

[0028] 2. Inner sleeve; 21. Step head; 3. Quick connector; 31. First counterbore groove; 32. First trapezoidal groove; 321. First rubber ring; 33. Step platform; 34. Threaded port; 301. Raised platform; 302. Second counterbore groove; 303. Positioning nut;

[0029] 4. Mating head; 41. Outer wall thread; 42. Second trapezoidal groove; 43. Second rubber ring; 44. Recessed opening; 45. Flange; 46. Sleeve joint. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0031] Refer to Figures 1 - 6 , a quick-connect flowmeter, including a flowmeter 1, with plug connectors 11 provided at both ends of the flowmeter 1, and a number of thread grooves 12 are equidistantly distributed at one end of the plug connector 11;

[0032] A built-in sleeve 2 is detachably connected inside the plug connector 11. A stepped head 21 is provided at one end of the built-in sleeve 2, and a quick-connect component is sleeved at one end of the stepped head 21;

[0033] The quick-connect component includes: a quick-connect head 3. A number of first counterbore grooves 31 are equidistantly penetrated and distributed on the quick-connect head 3. A stepped platform 33 is provided inside the quick-connect head 3, and a threaded port 34 is provided on the inner wall of the quick-connect head 3. The built-in sleeve 2 is sleeved inside the quick-connect head 3, and the stepped head 21 is fitted against the stepped platform 33 for positioning. A connecting component is threadedly engaged with the threaded port 34 at one end of the stepped head 21.

[0034] Among them, for the assembly of the flowmeter, the built-in sleeve 2 is installed inside the quick-connect head 3, and the stepped head 21 is fitted against the stepped platform 33 for positioning to prevent the built-in sleeve 2 from sliding out of the quick-connect head 3. One end of the built-in sleeve 2 installed in the quick-connect head 3 will extend out, and the extended end of the built-in sleeve 2 is sleeved inside the plug connector 11. The preliminary connection is carried out by means of plugging, which can facilitate the staff to quickly assemble the flowmeter 1. When the connecting component is threadedly engaged and installed with the threaded port 34, one end of the threadedly installed connecting component will squeeze the stepped head 21, so that the built-in sleeve 2 is firmly installed inside the quick-connect head 3, preventing loosening and improving the tightness and sealing effect during assembly.

[0035] Refer to Figure 2 , the first counterbore groove 31 and the thread groove 12 are kept in concentric fit.

[0036] In the above solution, during the assembly process, the first counterbore groove 31 and the thread groove 12 are kept in concentric fit. When the built-in sleeve 2 is stably plugged in the plug connector 11, the position of the quick-connect head 3 is adjusted so that the first counterbore groove 31 and the thread groove 12 are in concentric fit. Then, bolts are passed through the first counterbore groove 31 and the thread groove 12, and the bolts are threadedly engaged in the thread groove 12, so that the plug connector 11 and the quick-connect head 3 are fixedly fitted.

[0037] Refer to Figure 3, the connecting component includes a mating head 4, a flange 45 and a socket 46. One end of the flange 45 is provided with the mating head 4, and the other end of the flange 45 is provided with the socket 46. The mating head 4, the flange 45 and the socket 46 are kept in communication. The outer wall of the mating head 4 is provided with an outer wall thread 41 which meshes with the thread port 34, and one end of the mating head 4 is provided with a recessed port 44.

[0038] In the above solution, after the plug joint 11 and the quick joint 3 are fitted and fixed, then the mating head 4 is installed in the quick joint 3. Stable fitting is achieved through the meshing of the outer wall thread 41 and the thread port 34. Rotate the mating head 4, and the mating head 4 moves inward. One end of the mating head 4 presses the surface of the stepped head 21, thereby further strengthening the nested installation of the inner sleeve 2, stabilizing the inner sleeve 2 in the quick joint 3 to prevent loosening, and improving the tightness and sealing effect between the assemblies.

[0039] Refer to Figures 3 - 6 , two raised platforms 301 are equidistantly distributed at one end of the quick joint 3. A second counterbore groove 302 is penetrated through the raised platform 301. A positioning nut 303 is threadedly engaged in the second counterbore groove 302, and the bottom end of the positioning nut 303 extends into the recessed port 44.

[0040] In the above solution, after the mating head 4 is installed, the positioning nut 303 is threadedly installed in the second counterbore groove 302, and the bottom end of the positioning nut 303 extends into the recessed port 44. The positioning nut 303 is restricted in the recessed port 44, and the mating head 4 cannot be rotated, which can prevent the connecting component from falling off from the inside of the quick joint 3, further improving the overall stability effect and strengthening the tight fit between the assemblies.

[0041] Refer to Figure 2 and Figure 3 , a first trapezoidal groove 32 is provided at the bottom of one end of the quick joint 3. A first rubber ring 321 is installed inside the first trapezoidal groove 32. A second trapezoidal groove 42 is provided at the bottom of one end of the mating head 4. A second rubber ring 43 is installed inside the second trapezoidal groove 42.

[0042] In the above solution, the first counterbore groove 31 and the thread groove 12 are concentrically fitted. Then, a bolt is passed through the first counterbore groove 31 and the thread groove 12, and the bolt is threadedly engaged in the thread groove 12. Rotate the tightened bolt so that the quick joint 3 closely fits at one end of the plug joint 11, that is, the first rubber ring 321 is squeezed. The outer wall thread 41 meshes with the thread port 34, that is, the second rubber ring 43 is squeezed. Combining the settings of the first rubber ring 321 and the second rubber ring 43 further improves the sealing effect of the overall assembly. Finally, a water pipe is sleeved outside the socket 46 to complete the overall assembly.

[0043] Working principle:

[0044] Install the built-in sleeve 2 inside the quick connector 3. The stepped head 21 fits on the stepped platform 33 for positioning to prevent the built-in sleeve 2 from slipping out of the quick connector 3. One end of the built-in sleeve 2 installed in the quick connector 3 will extend out, and the extended end of the built-in sleeve 2 is sleeved inside the socket 11. During the assembly process, keep the first counterbore 31 and the threaded groove 12 in concentric fit. When the built-in sleeve 2 is stably inserted into the socket 11, adjust the position of the quick connector 3 to make the first counterbore 31 and the threaded groove 12 in concentric fit. Then, pass a bolt through the first counterbore 31 and the threaded groove 12, and thread the bolt into the threaded groove 12, so that the socket 11 and the quick connector 3 are fixedly engaged;

[0045] After the socket 11 and the quick connector 3 are fixedly engaged, then install the mating head 4 in the quick connector 3. The outer wall thread 41 and the threaded port 34 are engaged with each other to achieve stable fit. Rotate the mating head 4, and the mating head 4 moves inward. One end of the mating head 4 presses the surface of the stepped head 21, thereby further strengthening the nested installation of the built-in sleeve 2.

[0046] After the mating head 4 is installed, thread the positioning nut 303 into the second counterbore 302, and the bottom end of the positioning nut 303 extends into the recess 44. The positioning nut 303 is restricted in the recess 44 and cannot rotate the mating head 4, which can prevent the connection assembly from falling off from the inside of the quick connector 3.

[0047] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick-connect flow meter, comprising a flow meter (1), characterized in that: Both ends of the flow meter (1) are provided with plug connectors (11), and one end of the plug connector (11) has a plurality of thread grooves (12) distributed at equal intervals; The plug connector (11) is detachably connected to a built-in sleeve (2), one end of the built-in sleeve (2) is provided with a stepped head (21), and one end of the stepped head (21) is sleeved with a quick-connect assembly; The quick-connect assembly comprises: a quick connector (3), a plurality of first countersunk grooves (31) are evenly distributed on the quick connector (3), a stepped platform (33) is arranged inside the quick connector (3), a threaded opening (34) is arranged on the inner wall of the quick connector (3), the built-in sleeve (2) is sleeved in the quick connector (3), and the stepped head (21) is fitted on the upper limit of the stepped platform (33), and the threaded opening (34) is threadedly engaged with a connecting assembly at one end of the stepped head (21).

2. A quick-connect flow meter according to claim 1, characterized in that: The first countersunk groove (31) and the thread groove (12) are kept in concentric fit.

3. A quick-connect flow meter according to claim 1, characterized in that: The connection assembly comprises a mating head (4), a flange (45) and a sleeve joint (46); one end of the flange (45) is provided with a mating head (4), and the other end of the flange (45) is provided with a sleeve joint (46); the mating head (4), the flange (45) and the sleeve joint (46) are kept in communication; the outer wall of the mating head (4) is provided with an outer wall thread (41) which is meshed with a threaded opening (34); and one end of the mating head (4) is provided with a recessed opening (44).

4. A quick-connect flow meter according to claim 3, characterized in that: One end of the quick connector (3) is provided with two equidistantly spaced raised platforms (301), the raised platforms (301) are penetrated by a second countersunk groove (302), the second countersunk groove (302) is internally threaded with a positioning nut (303), and the bottom end of the positioning nut (303) extends into the recessed opening (44).

5. A quick-connect flow meter according to claim 3, characterized in that: A first trapezoidal groove (32) is provided at the bottom of one end of the quick connector (3), a first rubber ring (321) is installed inside the first trapezoidal groove (32), and a second trapezoidal groove (42) is provided at the bottom of one end of the matching head (4), a second rubber ring (43) is installed inside the second trapezoidal groove (42).

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