CN217473006U - One-way filtering cleaning valve for automobile exhaust detection - Google Patents

Abstract

The utility model discloses an automobile exhaust detects one-way clean valve that filters, including casing, first flange, the flange of second and intake pipe, shells inner wall is close to the welding of first flange top corner has first baffle, shells inner wall is close to the welding of the flange bottom corner of second has the second baffle, first baffle is leaned on closely with the second baffle and all is provided with the draw-in groove, through locking screw fixedly connected with division board in the draw-in groove, division board one end link up and has seted up the preformed groove, be provided with the rectangle filter screen in the preformed groove, shells inner wall one end is close to top department the shells inner wall other end is close to bottom department and all welds the spacing groove, the spacing inslot card is equipped with the filter core body. This novel tail gas is filtered by triple filterable flue of being responsible for when filtering in the valve, and the dwell time greatly increased possesses multiunit filtration, and is good to the treatment effect of tail gas, is fit for extensively using widely.

Description

One-way filtering cleaning valve for automobile exhaust detection

Technical Field

The utility model relates to an environmental protection equipment technical field, in particular to automobile exhaust detects clean valve of one-way filtration.

Background

In order to conveniently detect the filtered automobile exhaust, the personnel can know whether the exhaust emission is qualified or not, so that the cleaning valve for filtering is very necessary.

Patent No. CN205730576U discloses a filtering cleaning valve for motor vehicle exhaust detection. The utility model discloses a clean valve of filtration that motor vehicle exhaust detected sets up between motor vehicle exhaust emission pipeline and tail gas detection appearance, insert pipe, valve body, valve gap and tail gas discharge pipe including tail gas, tail gas insert the pipe and can dismantle with motor vehicle exhaust emission pipeline and be connected, tail gas discharge pipe can dismantle with the tail gas detection appearance and be connected, valve body and valve gap position symmetrical, valve body and valve gap can dismantle to connect and constitute the cavity structure, cavity and tail gas insert pipe, tail gas discharge pipe and be linked together, the cavity in can dismantle and be connected with the hollow cylinder case, the cavity position of case is equipped with the filter screen along the circumferencial direction. The utility model aims at: the problem of filter equipment structural design defect leads to the unable assurance of accuracy of tail gas testing result in current motor vehicle exhaust to detect is solved.

The cleaning valve has the following disadvantages: 1. the tail gas is the through structure when filtering in the valve, and the dwell time is short, only possesses single filtration, and is not good enough to the treatment effect of tail gas. Therefore, the automobile exhaust detection one-way filtering cleaning valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides automobile exhaust detects clean valve of one-way filtration, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

automobile exhaust detects one-way clean valve that filters, including casing, first flange, the protruding pipe of second and intake pipe, shells inner wall is close to the welding of the first flange top corner has first baffle, shells inner wall is close to the welding of the protruding socle bottom corner of second has the second baffle, first baffle all is provided with the draw-in groove by the neighborhood with the second baffle mutually, through locking screw fixedly connected with division board in the draw-in groove, division board one end link up and has seted up the preformed groove, be provided with the rectangle filter screen in the preformed groove, shells inner wall one end is close to top department the shells inner wall other end is close to bottom department and all welds there is the spacing groove, the spacing inslot card is equipped with the filter core body.

Further, the filter element body comprises spiral cover, hollow rod, connecting plate and handle, there is the spiral cover hollow rod tip inboard through female connection, the hollow rod other end link up the casing and the tip welding has the connecting plate, the connecting plate passes through connecting screw and casing outer wall connection, through connecting screw, conveniently to connecting plate and casing outer wall connection to conveniently fix between hollow rod and the casing.

Furthermore, the periphery of the hollow rod is provided with a through hole, a circular filter screen is arranged in the through hole, filter particles are filled in the hollow rod and made of activated carbon materials, tail gas enters the hollow rod through the circular filter screen, and the filter particles made of the activated carbon materials are used for effective filtration.

Furthermore, the handle welds in connecting plate one end, and personnel conveniently exert external force to the connecting plate through gripping the handle to the convenience is dismantled the filter core body after connecting screw is unscrewed as required.

Further, an air inlet pipe and an exhaust pipe are mounted at one end of the first convex pipe and one end of the second convex pipe through mounting holes respectively.

Furthermore, a check valve is arranged on the air inlet pipe and is positioned in the first convex pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses automobile exhaust detects clean valve of one-way filtration, automobile exhaust gets into in the first protruding pipe by the intake pipe, setting through first baffle and second baffle, make under the prerequisite that does not change valve body length, form triple tail gas treatment flue, tail gas is filtered the back by two sets of filter core bodies and a set of rectangle filter screen, tail gas gets into the second protruding pipe, finally discharge via the blast pipe, make tail gas to prolong greatly when filtering in the valve by clean valve, possess multiunit filtration, the treatment effect to tail gas promotes greatly.

Drawings

Fig. 1 is the overall structure schematic diagram of the one-way filtration cleaning valve for automobile exhaust detection.

Fig. 2 is the utility model discloses automobile exhaust detects filter element body profile structure schematic diagram of clean valve of one-way filtration.

Fig. 3 is the utility model discloses automobile exhaust detects one-way clean valve of filtering's locking screw, division board and rectangle filter screen schematic structure.

In the figure: 1. a housing; 2. a first male pipe; 3. a second convex pipe; 4. an air inlet pipe; 5. a non-return valve; 6. an exhaust pipe; 7. a first separator; 8. a second separator; 9. a limiting groove; 10. a hollow rod; 11. a circular filter screen; 12. a connecting plate; 13. a handle; 14. a connecting screw; 15. screwing a cover; 16. a card slot; 17. locking the screw; 18. a partition plate; 19. a rectangular filter screen; 20. filtering the particles; 21. a filter element body.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 and 3, automobile exhaust detects one-way clean valve that filters, including casing 1, first flange 2, second flange 3 and intake pipe 4, 1 inner wall of casing is close to the welding of 2 top corners of first flange has first baffle 7, 1 inner wall of casing is close to the welding of 3 bottom corners of second flange has second baffle 8, first baffle 7 all is provided with draw-in groove 16 with second baffle 8 near the near mutually, through locking screw 17 fixedly connected with division board 18 in the draw-in groove 16, division board 18 one end link up and has seted up the reservation groove, be provided with rectangle filter screen 19 in the reservation groove, 1 inner wall one end of casing is close to top department 1 inner wall other end near bottom department all has welded spacing groove 9, spacing groove 9 inside callipers are equipped with filter core body 21.

The filter element body 21 is composed of a screw cap 15, a hollow rod 10, a connecting plate 12 and a handle 13, the screw cap 15 is connected to the inner side of the end portion of the hollow rod 10 through an internal thread, the other end of the hollow rod 10 penetrates through the shell 1, the connecting plate 12 is welded to the end portion of the hollow rod 10, and the connecting plate 12 is connected with the outer wall of the shell 1 through a connecting screw 14.

In the embodiment, as shown in fig. 1 and fig. 2, the connection plate 12 is conveniently connected with the outer wall of the shell 1 through the connection screw 14, so that the hollow rod 10 and the shell 1 are conveniently fixed.

The hollow rod 10 is provided with a through hole at the periphery, a circular filter screen 11 is arranged in the through hole, the hollow rod 10 is filled with filter particles 20, and the filter particles 20 are made of activated carbon materials.

In the present embodiment, as shown in fig. 1 and 2, the exhaust gas enters the hollow rod 10 through the circular screen 11 and is effectively filtered by the filter particles 20 made of activated carbon material.

Wherein the handle 13 is welded to one end of the connecting plate 12.

In this embodiment, as shown in fig. 1 and 2, a person can easily apply an external force to the connecting plate 12 by holding the handle 13, so that the filter element body 21 can be easily detached after the connecting screw 14 is loosened as required.

Wherein, an air inlet pipe 4 and an air outlet pipe 6 are respectively arranged at one end of the first convex pipe 2 and one end of the second convex pipe 3 through mounting holes.

In this embodiment, as shown in fig. 1, the air inlet pipe 4 and the air outlet pipe 6 are conveniently installed through the prepared hole.

Wherein, the air inlet pipe 4 is provided with a check valve 5, and the check valve 5 is positioned in the first convex pipe 2.

In this embodiment, as shown in fig. 1, the flue gas entering the first protruding pipe 2 through the air inlet pipe 4 can be effectively prevented from flowing back through the check valve 5.

It should be noted that, the utility model discloses an automobile exhaust detects clean valve of one-way filtration, in operation, 1 one side of casing still passes through the screw installation side cap, can unscrew the screw when needs, maintain the part in the casing 1, automobile exhaust gets into in the first flange 2 by intake pipe 4, setting through first baffle 7 and second baffle 8, make under the prerequisite that does not change valve body length, form triple tail gas treatment flue, tail gas is filtered the back by two sets of filter core bodies 21 and a set of rectangle filter screen 19, tail gas gets into the second flange 3, finally discharge via blast pipe 6, make tail gas filter the time of keeping somewhere greatly prolong in the valve by the clean valve, possess multiunit filtration structure, the treatment effect to tail gas promotes greatly.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Automobile exhaust detects one-way filtration clean valve, including casing (1), first flange (2), second flange (3) and intake pipe (4), its characterized in that: casing (1) inner wall is close to first flange (2) top corner welding has first baffle (7), casing (1) inner wall is close to second flange (3) bottom corner welding has second baffle (8), first baffle (7) all are provided with draw-in groove (16) with second baffle (8) department of being close to, through locking screw (17) fixedly connected with division board (18) in draw-in groove (16), division board (18) one end link up and has seted up the reserve tank, be provided with rectangle filter screen (19) in the reserve tank, casing (1) inner wall one end be close to top department casing (1) inner wall other end is close to bottom department and all welds spacing groove (9), spacing groove (9) inside callipers are equipped with filter core body (21).

2. The one-way filtering and cleaning valve for detecting the automobile exhaust according to claim 1, characterized in that: the filter element body (21) comprises a spiral cover (15), a hollow rod (10), a connecting plate (12) and a handle (13), the inner side of the end part of the hollow rod (10) is connected with the spiral cover (15) through an internal thread, the other end of the hollow rod (10) penetrates through the shell (1) and the end part of the shell is welded with the connecting plate (12), and the connecting plate (12) is connected with the outer wall of the shell (1) through a connecting screw (14).

3. The one-way filtering and cleaning valve for detecting the automobile exhaust according to claim 2, characterized in that: the filter is characterized in that a through hole is formed in the periphery of the hollow rod (10), a circular filter screen (11) is arranged in the through hole, filter particles (20) are filled in the hollow rod (10), and the filter particles (20) are made of activated carbon materials.

4. The one-way filtering and cleaning valve for automobile exhaust detection according to claim 2, wherein: the handle (13) is welded at one end of the connecting plate (12).

5. The one-way filtering and cleaning valve for automobile exhaust detection according to claim 1, wherein: and one ends of the first convex pipe (2) and the second convex pipe (3) are respectively provided with an air inlet pipe (4) and an exhaust pipe (6) through mounting holes.

6. The one-way filtering and cleaning valve for detecting the automobile exhaust according to claim 1, characterized in that: the air inlet pipe (4) is provided with a check valve (5), and the check valve (5) is positioned in the first convex pipe (2).

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