Pipeline connecting mechanism and air filtering device

Abstract

The utility model relates to the technical field of compressed air filters, in particular to a pipeline connecting mechanism and an air filtering device.The pipeline connecting mechanism comprises a first mounting pipe, a connecting disc is mounted at one end of the first mounting pipe, a mounting groove is formed in the surface of the first mounting pipe, a limiting plate is slidably connected into the mounting groove, and a tension spring is mounted on one side of the limiting plate; and one end of the tension spring is connected with the bottom of the inner cavity of the mounting groove. By arranging a limiting plate, a limiting groove, a tension spring, a downward pressing part and other structures, rapid disassembly and assembly between the first mounting pipe and the second mounting pipe can be achieved, and meanwhile by arranging a shielding part, a limiting part and a traction part, the stability of connection between the first mounting pipe and the second mounting pipe can be improved; and the first mounting pipe and the second mounting pipe are convenient to disassemble, so that the replacement time of the compressed air filter is shortened, and the problem that the compressed air filter is inconvenient to replace in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressed air filter technical field, especially a pipeline connecting mechanism and air filter device. BACKGROUND

[0002] The chimney CEMS is a device for continuously monitoring the concentration and total emission of gaseous pollutants and particulate matters discharged by atmospheric pollution sources and transmitting information to the competent department in real time. When using, if the compressed air filter of the chimney CEMS leaks, the entire mother pipe gas source needs to be completely turned off, and the compressed air filter needs to be replaced. The compressed air filter is directly connected with the pipeline mainly by flange during installation. Although the connection mode is simple, the overall operation is relatively cumbersome, which brings certain inconvenience to the dismounting and replacement of the compressed air filter.

[0003] At the same time, when the compressed air filter is dismounted and replaced, the CEMS system lacks dilution gas, which causes the CEMS instrument to be unable to measure normally, and the environmental protection platform is marked as a fault state, which affects the online rate of environmental protection data. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above or the problem of inconvenient dismounting and replacement of the compressed air filter in the prior art, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a pipeline connecting mechanism.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: including,

[0008] The first mounting pipe is provided with a connecting disc at one end, a mounting groove is formed on the surface of the first mounting pipe, a limiting plate is slidably connected in the mounting groove, a tension spring is installed on one side of the limiting plate, and one end of the tension spring is connected with the bottom of the inner cavity of the mounting groove;

[0009] The second mounting pipe is provided with an insertion pipe at one end, a limiting groove is formed on the surface of the insertion pipe, and a limiting groove corresponding to the limiting plate is formed on the surface of the limiting groove;

[0010] The lower pressing part comprises a lower pressing plate and a pressure receiving plate used in cooperation, the bottom of the pressure receiving plate is provided with a connecting rod, and the bottom end of the connecting rod is provided with a bottom plate.

[0011] As a preferred pipeline connecting mechanism of the utility model, wherein: still include sheltering parts, the sheltering parts include sheltering sleeve, spring and limit ring, the sheltering sleeve sliding sleeve is connected to the surface of the first installation pipe, the both ends of the spring are connected with the opposite surface of the sheltering sleeve and connecting disc respectively, the limit ring is installed on the surface of the first installation pipe, the lower pressing plate is installed on the inner wall of the sheltering sleeve.

[0012] As a preferred pipeline connecting mechanism of the utility model, wherein: still include restriction parts, the restriction parts include the tooth slot being opened in the one side of the limit board, the gear being meshed with the tooth slot, the rotating rod being connected with the gear, the ratchet wheel being installed on the surface of the rotating rod and the pawl being used with the ratchet wheel.

[0013] As a preferred pipeline connecting mechanism of the utility model, wherein: the both ends of the rotating rod are rotatably connected with the inner wall of the installation groove.

[0014] As a preferred pipeline connecting mechanism of the utility model, wherein: one end of the pawl is provided with containing groove, the containing groove is rotatably connected with the positioning rod in the inside, and the torsional spring is arranged in the inside of the containing groove.

[0015] As a preferred pipeline connecting mechanism of the utility model, wherein: the both ends of the torsional spring are connected with the inner wall of the containing groove and the surface of the positioning rod respectively.

[0016] As a preferred pipeline connecting mechanism of the utility model, wherein: still include traction parts, which include the first mounting seat installed on the inner wall of the sheltering sleeve, the second mounting seat installed on the surface of the pawl and the traction rod installed at the connecting place of the first mounting seat and the second mounting seat, and the both ends of the traction rod are rotatably connected with the connecting place of the first mounting seat and the second mounting seat through the rotating pin.

[0017] The pipeline connecting mechanism has the advantages that: the first installation pipe and the second installation pipe can be quickly disassembled through the limit board, the limit groove, the tension spring and the lower pressing part, the stability of the connection between the first installation pipe and the second installation pipe can be improved through the sheltering part, the restriction part and the traction part, the first installation pipe and the second installation pipe can be conveniently disassembled, the time for replacing the compressed air filter is shortened, and the problem of inconvenient replacement of the compressed air filter in the prior art is solved.

[0018] In view of the problem that the instrument cannot be normally measured during the replacement process in actual use, an air filtering device is provided.

[0019] To solve the above technical problems, the utility model provides technical schemes as follows: including pipeline connecting mechanism and filter component, the filter component includes main body installed on the connecting disc and distribution bypass assembly installed on the second installation pipe.

[0020] As a preferred scheme of the air filter device of the utility model, wherein: the distribution bypass assembly includes air outlet pipe and air inlet pipe installed on one end of the second installation pipe, one end of the air outlet pipe and the air inlet pipe is equipped with first three-way valve, the first three-way valve is equipped with first connecting pipe and second connecting pipe, the opposite surface of two second connecting pipes is fixedly installed with second three-way valve.

[0021] As a preferred scheme of the air filter device of the utility model, wherein: the surface of the main body is installed with communication pipe, and the communication pipe and the connecting disc are detachably connected through bolt.

[0022] The air filter device of the utility model has the beneficial effects that: the second three-way valve is closed in normal state, gas enters the main body through the first connecting pipe, the first three-way valve and the air inlet pipe, and is discharged through the air outlet pipe, the first three-way valve and the first connecting pipe, when failure occurs, the second three-way valve is opened, and gas circulates through the air outlet pipe, the air inlet pipe, the first three-way valve, the second connecting pipe and the second three-way valve, without completely shutting down the whole mother pipe gas source, ensuring normal operation of the instrument. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor, wherein:

[0024] Figure 1 It is the whole structure schematic diagram of the pipeline connecting mechanism of the utility model.

[0025] Figure 2 It is the second installation pipe structure schematic diagram of the pipeline connecting mechanism of the utility model.

[0026] Figure 3 It is the main view cross section structure schematic diagram of the pipeline connecting mechanism of the utility model.

[0027] Figure 4 It is the Figure 3 It is the enlarged structure schematic diagram of A place in the utility model.

[0028] Figure 5 It is the exploded structure schematic diagram of the shielding component of the utility model.

[0029] Figure 6 The traction component structure schematic view of the utility model.

[0030] Figure 7 The air filter device overall structure schematic view of the utility model.

[0031] Figure 8 The air filter device distribution bypass assembly structure schematic view of the utility model.

[0032] Figure 9 The air filter device of the utility model Figure 7 The structure schematic view of B place in the middle. Specific embodiments

[0033] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are explained in detail below with the attached drawings of the specification.

[0034] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0035] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics in at least one implementation of the utility model. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment excluding other embodiments.

[0036] Example 1

[0037] Reference Figures 1-5For the first embodiment of the utility model, the embodiment provides a pipeline connecting mechanism, including first installation pipe 100, its one end is installed with connecting disc 101, the surface of first installation pipe 100 is equipped with installation groove 102, the inside of installation groove 102 is connected with limit plate 103 slidingly, the one side of limit plate 103 is installed with tension spring 104, and one end of tension spring 104 is connected with the bottom of the inner chamber of installation groove 102;Second installation pipe 200, its one end is installed with insertion pipe 201, the surface of insertion pipe 201 is equipped with restriction groove 202, and the surface of restriction groove 202 is equipped with limit slot 203 corresponding with limit plate 103;Down-pressing component 300, it includes the down-pressing plate 301 and pressure plate 302 of cooperation, the bottom of pressure plate 302 is installed with connecting rod 303, the bottom end of connecting rod 303 is installed with bottom plate 304, and the number of limit slot 203 is at least two;When using, connecting disc 101 of one end of second installation pipe 200 is inserted into the inside of first installation pipe 100, by moving down-pressing plate 301, it gradually extrudes pressure plate 302 and makes pressure plate 302 move downwards, under the linkage of connecting rod 303 and bottom plate 304, limit plate 103 can be extruded, limit plate 103 is inserted into the inside of limit slot 203, and tension spring 104 is compressed, at this moment, the fixing between first installation pipe 100 and second installation pipe 200 is completed, when the limit of down-pressing plate 301 is released, limit plate 103 can be separated from the inside of limit slot 203 under the action of the resetting force of tension spring 104, and the disassembly between first installation pipe 100 and second installation pipe 200 is completed;

[0038] Wherein, the surface of pressure plate 302 is fixedly connected with stabilizing plate 305, the inner wall of installation groove 102 is equipped with sliding groove 306, stabilizing plate 305 is connected in the inside of sliding groove 306 slidingly, by the sliding of stabilizing plate 305 in the inside of sliding groove 306, pressure plate 302 can be guided and limited, moves in the vertical direction, the inner wall of first installation pipe 100 is installed with 106, sealing ring 105 and insertion pipe 201 are used in cooperation, when insertion pipe 201 is inserted into first installation pipe 100, the surface of insertion pipe 201 is in contact with sealing ring 105, can play the role of sealing.

[0039] Further, the shielding component 400 is further included, the shielding component 400 includes a shielding sleeve 401, a spring 402 and a limiting ring 403, the shielding sleeve 401 is sleeved on the surface of the first mounting pipe 100, the two ends of the spring 402 are connected with the shielding sleeve 401 and the opposite surface of the connecting disc 101 respectively, the limiting ring 403 is installed on the surface of the first mounting pipe 100, the pressing plate 301 is installed on the inner wall of the shielding sleeve 401, the mounting groove 102 can be sealed by arranging the shielding sleeve 401, the shielding sleeve 401 can always keep the state of sealing the mounting groove 102 by arranging the shielding sleeve 401, the shielding sleeve 401 can be limited by arranging the limiting ring 403, the side of the shielding sleeve 401 is provided with an annular groove 403a matched with the limiting ring 403, the limiting ring 403 can be clamped by arranging the annular groove 403a.

[0040] Operation process: when using, the connecting disc 101 at one end of the second mounting pipe 200 is inserted into the inside of the first mounting pipe 100, when the shielding sleeve 401 seals the mounting groove 102 by moving the shielding sleeve 401, the shielding sleeve 401 drives the pressing plate 301 to move and gradually extrudes the pressure plate 302 to make the pressure plate 302 move downward, under the linkage of the connecting rod 303 and the bottom plate 304, the limiting plate 103 can be extruded, the limiting plate 103 is inserted into the inside of the limiting groove 203, and the tension spring 104 is compressed, at this time, the fixing between the first mounting pipe 100 and the second mounting pipe 200 is completed, when the limiting of the pressing plate 301 is removed, under the action of the reset force of the tension spring 104, the limiting plate 103 can be separated from the inside of the limiting groove 203, and the disassembly of the first mounting pipe 100 and the second mounting pipe 200 is completed.

[0041] Example 2

[0042] Reference Figures 1-6The utility model discloses a second embodiment, unlike last embodiment, this embodiment provides a pipeline connecting mechanism, still include limiting component 500, limiting component 500 include the tooth slot 501 of setting in the one side of limit board 103, the gear 502 of tooth slot 501 meshing connection, with the rotation link 503 of gear 502 connection, install the ratchet wheel 504 of rotation link 503 surface, and with the pawl 505 of ratchet wheel 504 cooperation uses, and the inner wall rotation connection of both ends of rotation link 503 with installation groove 102, through setting limiting component 500, can when limit board 103 moves down, under the action of tooth slot 501, drive gear 502 to rotate, under the connection of rotation link 503, can drive ratchet wheel 504 to rotate, through setting pawl 505, can make ratchet wheel 504 opposite direction single direction moves, make limit board 103 only move down, avoid the displacement of lower pressing plate 301 and shielding sleeve 401 under the reset force of tension spring 104.

[0043] Further, one end of the pawl 505 is provided with a receiving groove 505a, a positioning rod 505b is rotatably connected inside the receiving groove 505a, and a torsion spring 505c is arranged inside the receiving groove 505a. The two ends of the torsion spring 505c are connected with the inner wall of the receiving groove 505a and the surface of the positioning rod 505b respectively. By arranging the torsion spring 505c, interference caused by reverse movement of the ratchet wheel 504 can be avoided.

[0044] Further, the traction component 600 includes a first mounting seat 601 mounted on the inner wall of the shielding sleeve 401, a second mounting seat 602 mounted on the surface of the pawl 505, and a traction rod 603 mounted at the connection between the first mounting seat 601 and the second mounting seat 602. The two ends of the traction rod 603 are rotatably connected with the connection between the first mounting seat 601 and the second mounting seat 602 through a rotating pin 604. When the shielding component 400 moves to expose the installation groove 102, the pawl 505 and the positioning rod 505b can move away from the ratchet wheel 504 under the connection of the traction rod 603, thereby releasing the restriction on the ratchet wheel 504. At this time, under the reset force of the tension spring 104, the limit board 103 can be separated from the inside of the limiting groove 203, and the disassembly between the first mounting pipe 100 and the second mounting pipe 200 is completed.

[0045] The remaining structure is the same as that of embodiment 1.

[0046] The operation process is as follows: by setting the limiting component 500, the gear 502 can be driven to rotate under the action of the gear slot 501 when the limiting plate 103 moves downwards, the ratchet wheel 504 can be driven to rotate under the connection of the rotating rod 503, the ratchet wheel 504 can be driven to move in a single direction in the opposite direction by setting the pawl 505, that is, the limiting plate 103 can only move downwards, and the displacement of the lower pressing plate 301 and the shielding sleeve 401 under the reset force of the tension spring 104 is avoided; when the shielding component 400 moves to expose the mounting groove 102, the pawl 505, that is, the shaft center of the positioning rod 505b, can be driven to move away from the ratchet wheel 504 under the connection of the traction rod 603, the ratchet wheel 504 is released, and the ratchet wheel 504 can rotate in the positive direction; under the reset force of the tension spring 104, the limiting plate 103 can be separated from the inside of the limiting groove 203, and the first mounting pipe 100 and the second mounting pipe 200 are separated.

[0047] Embodiment 3

[0048] Refer to Figures 1-9 The third embodiment of the utility model is different from the previous embodiment, and provides an air filtering device, which comprises a pipeline connecting mechanism and a filtering component 700.

[0049] Specifically, the distribution bypass assembly 702 comprises an air outlet pipe 702a and an air inlet pipe 702b installed at one end of the second mounting pipe 200, and the air outlet pipe 702a and the air inlet pipe 702b are both provided with a first three-way valve 702c at one end, the first three-way valve 702c is provided with a first connecting pipe 702d and a second connecting pipe 702e, and the opposite surfaces of the two second connecting pipes 702e are fixedly provided with a second three-way valve 702f; in a normal state, the second three-way valve 702f is closed, gas enters the main body 701 through the first connecting pipe 702d, the first three-way valve 702c and the air inlet pipe 702b, and is discharged through the air outlet pipe 702a, the first three-way valve 702c and the first connecting pipe 702d; when a fault occurs, the second three-way valve 702f is opened, and the gas circulates through the air outlet pipe 702a, the air inlet pipe 702b, the first three-way valve 702c, the second connecting pipe 702e and the second three-way valve 702f, so that the whole mother pipe gas source does not need to be completely closed, and the normal operation of the instrument is ensured.

[0050] Further, the surface of the main body 701 is provided with a communication pipe 701a, and the communication pipe 701a and the connecting disc 101 are detachably connected through a bolt 701b. By arranging the communication pipe 701a and the bolt 701b, the connecting disc 101 can be conveniently mounted on the main body 701.

[0051] The rest of the structure is the same as that in Embodiment 1 or 2.

[0052] Operation process: in normal state, the second three-way valve 702f is closed, the gas enters into the main body 701 through the first connecting pipe 702d, the first three-way valve 702c and the gas inlet pipe 702b, and then is discharged through the gas outlet pipe 702a, the first three-way valve 702c and the first connecting pipe 702d. When a fault occurs, the second three-way valve 702f is opened, and the gas circulates through the gas outlet pipe 702a, the gas inlet pipe 702b, the first three-way valve 702c, the second connecting pipe 702e and the second three-way valve 702f. Without completely shutting down the whole gas source, the normal operation of the instrument is ensured.

[0053] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described but extends to the full scope of the appended claims.

[0054] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of carrying out the present application currently under consideration).

[0055] It is to be understood that the development of the particular implementations described herein was not determined merely by the availability of certain items or materials. Rather and more generally, specific implementations were developed to provide implementations that are functionally, economically, and / or esthetically practical, in light of ongoing technological changes having economic, business, and / or social consequences.

[0056] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, not to limit, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalent, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A pipe connection mechanism, characterized in that: include, A first mounting tube (100) has a connecting plate (101) installed at one end. The surface of the first mounting tube (100) is provided with a mounting groove (102). A limiting plate (103) is slidably connected inside the mounting groove (102). A tension spring (104) is installed on one side of the limiting plate (103). One end of the tension spring (104) is connected to the bottom of the inner cavity of the mounting groove (102). The second mounting tube (200) has an insertion tube (201) installed at one end. The surface of the insertion tube (201) is provided with a limiting groove (202). The surface of the limiting groove (202) is provided with a limiting groove (203) corresponding to the limiting plate (103). The pressing component (300) includes a pressing plate (301) and a pressure plate (302) for use together. A connecting rod (303) is installed at the bottom of the pressure plate (302), and a base plate (304) is installed at the bottom end of the connecting rod (303).

2. The pipe connection mechanism as described in claim 1, characterized in that: It also includes a shielding component (400), which includes a shielding sleeve (401), a spring (402) and a limiting ring (403). The shielding sleeve (401) is slidably sleeved on the surface of the first mounting tube (100). The two ends of the spring (402) are respectively connected to the opposite surfaces of the shielding sleeve (401) and the connecting plate (101). The limiting ring (403) is installed on the surface of the first mounting tube (100). The lower pressure plate (301) is installed on the inner wall of the shielding sleeve (401).

3. The pipe connection mechanism as described in claim 2, characterized in that: It also includes a limiting component (500), which includes a toothed groove (501) formed on one side of the limiting plate (103), a gear (502) meshing with the toothed groove (501), a rotating rod (503) connected to the gear (502), a ratchet (504) mounted on the surface of the rotating rod (503), and a pawl (505) cooperating with the ratchet (504).

4. The pipe connection mechanism as described in claim 3, characterized in that: The two ends of the rotating rod (503) are rotatably connected to the inner wall of the mounting groove (102).

5. The pipe connection mechanism as described in claim 3, characterized in that: One end of the pawl (505) is provided with a receiving groove (505a), a positioning rod (505b) is rotatably connected inside the receiving groove (505a), and a torsion spring (505c) is provided inside the receiving groove (505a).

6. The pipe connection mechanism as described in claim 5, characterized in that: The two ends of the torsion spring (505c) are respectively connected to the inner wall of the receiving groove (505a) and the surface of the positioning rod (505b).

7. The pipe connection mechanism as described in claim 3, characterized in that: It also includes a traction component (600), which includes a first mounting seat (601) mounted on the inner wall of the shielding sleeve (401), a second mounting seat (602) mounted on the surface of the pawl (505), and a traction rod (603) mounted at the connection between the first mounting seat (601) and the second mounting seat (602), the two ends of the traction rod (603) being rotatably connected to the connection between the first mounting seat (601) and the second mounting seat (602) by a rotating pin (604).

8. An air filtration device, characterized in that: The system includes the pipe connection mechanism according to any one of claims 1 to 7, and a filter component (700), the filter component (700) including a body (701) mounted on the connection plate (101), and a distribution bypass assembly (702) mounted on the second mounting pipe (200).

9. The air filtration device as described in claim 8, characterized in that: The distribution bypass assembly (702) includes an outlet pipe (702a) and an inlet pipe (702b) installed at one end of the second mounting pipe (200). A first three-way valve (702c) is installed at one end of both the outlet pipe (702a) and the inlet pipe (702b). A first connecting pipe (702d) and a second connecting pipe (702e) are installed on the first three-way valve (702c). A second three-way valve (702f) is fixedly installed on the opposite sides of the two second connecting pipes (702e).

10. The air filtration device as described in claim 9, characterized in that: A connecting pipe (701a) is mounted on the surface of the main body (701), and the connecting pipe (701a) and the connecting plate (101) are detachably connected by bolts (701b).

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