CN211411325U

CN211411325U - Waste gas filter

Info

Publication number: CN211411325U
Application number: CN202021178975.0U
Authority: CN
Inventors: 徐玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-04
Anticipated expiration: 2030-06-23

Abstract

The application relates to an exhaust gas filter, which comprises a purification box with built-in filter materials and connecting pipes arranged at two ends of the purification box, wherein a first rubber sleeve used for being sleeved on the outer side wall of an exhaust pipe is embedded in each connecting pipe; the connecting pipe is provided with a driving device for driving the contraction part to contract inwards along the guide inclined plane. This scheme can make exhaust gas filter can adapt to the blast pipe of more diameter specifications, improves exhaust gas filter's result of use greatly.

Description

Waste gas filter

Technical Field

The present application relates to the field of exhaust gas purification, and more particularly, to an exhaust gas filter.

Background

In the world today, exhaust gas emissions, such as automobile exhaust, exhaust gases from chemical plants, oil fumes from kitchens, etc., are pervasive, and exhaust gas filters are essential for purifying these exhaust gases.

Traditional exhaust gas filter is including the purification box of built-in filter media to and set up at purification box both ends and with the connecting pipe of purification box inside intercommunication. Waste gas enters the purification box from one of the connecting pipes, the filter material in the purification box absorbs and filters harmful substances in the waste gas, and the filtered waste gas is discharged from the other connecting pipe.

The connecting pipe in the exhaust gas filter is mostly sleeved on the exhaust pipe through the threads, which means that the diameter specification of the exhaust pipe must be specific, and the exhaust gas filter cannot adapt to exhaust pipes with more diameter specifications, so that the use effect of the exhaust gas filter is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to make exhaust gas filter can adapt to the blast pipe of more diameter specifications, improve exhaust gas filter's result of use, this application provides an exhaust gas filter.

The application provides a waste gas filter adopts following technical scheme:

an exhaust gas filter comprises a purification box with built-in filter materials and connecting pipes arranged at two ends of the purification box, wherein a first rubber sleeve used for being sleeved on the outer side wall of an exhaust pipe is embedded in each connecting pipe; the connecting pipe is provided with a driving device for driving the contraction part to contract inwards along the guide inclined plane.

Through adopting above-mentioned technical scheme, when blast pipe and connecting pipe are connected to needs, the staff fills in the connecting pipe with first rubber sleeve intraduct, pass the blast pipe from the centre of first rubber sleeve again and insert in the connecting pipe, the staff makes the pars contractilis of first rubber sleeve toward the direction inclined plane extrusion through drive arrangement afterwards, the pars contractilis will be along leading inclined plane and toward the internal slip, because first rubber sleeve self has elasticity, the pars contractilis of first rubber sleeve will closely wrap up on the lateral wall of blast pipe, first rubber sleeve also will closely laminate on the surface on direction inclined plane simultaneously, first rubber sleeve just can be full of the clearance between direction inclined plane and the blast pipe, not only play good sealed effect, the position locking of blast pipe has still been realized. Even if the diameter specification of the exhaust pipe is changed within a certain range, the first rubber sleeve with elasticity can still play a role in sealing and locking the exhaust pipe. Compare in prior art, this scheme can make exhaust gas filter can adapt to the blast pipe of more diameter specifications, improves exhaust gas filter's result of use greatly.

Preferably, the driving device comprises a moving ring which is coaxially arranged in the connecting pipe and is in threaded fit with the inner side wall of the connecting pipe, and a rotating assembly which is arranged on the moving ring and is used for rotating the moving ring.

Through adopting above-mentioned technical scheme, the staff comes rotatory shift ring through runner assembly, and under the effect of screw thread, the shift ring just can take place to remove along the length direction of connecting pipe in the connecting pipe to order about first rubber sleeve and extrude towards direction inclined plane, drive arrangement's structural principle is succinct, and is also very convenient in the operation.

Preferably, the rotating assembly includes a circular tube fixedly coupled to the moving ring, and a handle inserted in the circular tube for rotating the moving ring.

Through adopting above-mentioned technical scheme, when needs rotatory shift ring, the staff inserts the handle in the pipe, then rotates the handle alright order about the shift ring rotatory again, and rotating assembly's structural principle is simple, has made things convenient for staff's operation greatly. In addition, the contact position of the handle and the circular tube can be changed by the worker to change the force arm when the worker rotates the movable ring, so that the process of rotating the handle by the worker is more labor-saving and flexible. When the movable ring does not need to be rotated, the worker directly pulls out the handle on the circular tube, so that the occupied space of the handle can be saved.

Preferably, the handle is sleeved with a second rubber sleeve.

Through adopting above-mentioned technical scheme, the setting of second rubber sleeve, one has increased the frictional force that produces when staff's hand and handle contact, greatly reduced the probability that staff's hand skidded, two comfort levels when having improved staff's twist grip.

Preferably, the purification box comprises a first box body and a second box body, and the first box body and the second box body are butted to form a cavity for placing filter materials; a hasp for locking the first box body and the second box body is arranged between the first box body and the second box body.

Through adopting above-mentioned technical scheme, when the filter media in the cavity need be changed, the staff cancels the hasp to the locking effect of first box body and second box body, and first box body and second box body can separate, and the filter media in the cavity just can be taken out. After the new filter media are placed, the staff butt joints the first box body and the second box body, and finally the first box body and the second box body are locked through the hasp. The arrangement of the first box body, the second box body and the hasp facilitates the replacement of filter materials in the purification box by workers, and increases the use times of the waste gas filter.

Preferably, a sealing ring is arranged between the first box body and the second box body.

Through adopting above-mentioned technical scheme, the leakproofness between first box body and the second box body can effectively be improved to the sealing washer, has reduced the probability that waste gas leaked.

Preferably, the inner side wall of the connecting pipe is provided with a butt joint block for the end part of the exhaust pipe to butt against.

Through adopting above-mentioned technical scheme, the butt piece not only can multiplicable exhaust pipe and the contact area between the connecting pipe, improves the stability of exhaust pipe, still can restrict the probability in the exhaust pipe disect insertion purification box, has guaranteed the filter effect of filter media.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the first rubber sleeve, the contraction part, the guide inclined plane and the driving device ensures that the waste gas filter can adapt to exhaust pipes with more diameter specifications;

2. the arrangement of the first box body, the second box body and the hasp effectively increases the use times of the waste gas filter;

3. the arrangement of the sealing ring effectively reduces the probability of waste gas leakage;

4. the setting of butt joint piece has not only improved the stability of blast pipe, still can avoid the blast pipe to insert the condition in purifying box.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the present invention in a partial sectional structure.

Description of reference numerals: 1. a filter material; 2. a purification box; 21. a first case; 22. a second box body; 3. A connecting pipe; 4. a first rubber sleeve; 5. a guide slope; 6. a constriction; 7. a moving ring; 8. a circular tube; 9. a handle; 10. a second rubber sleeve; 11. a butting block; 12. a cavity; 13. a hasp; 14. a seal ring; 15. and (4) exhausting the gas.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, the exhaust gas filter includes a purification box 2 with a built-in filter material 1, and a connection pipe 3 fixedly connected to both ends of the purification box 2 and communicated with the inside of the purification box 2, wherein the cross section of the connection pipe 3 is circular. Waste gas enters the purification box 2 from one of the connecting pipes 3, the filter material 1 in the purification box 2 absorbs and filters harmful substances in the waste gas, and the filtered waste gas is discharged from the other connecting pipe 3. The filter material 1 can be activated carbon.

Referring to fig. 1 and 2, a first rubber sleeve 4 is embedded inside the connection pipe 3, and the exhaust pipe 15 may pass through the first rubber sleeve 4 and be inserted into the connection pipe 3. The inner wall of the connecting pipe 3 is provided with a conical guide inclined plane 5, one end of the first rubber sleeve 4 facing the guide inclined plane 5 is provided with a contraction part 6, and the outer surface of the contraction part 6 and the guide inclined plane 5 are conical surfaces with the same inclination. Be equipped with the mobile ring 7 of the ring shape of transversal personally submitting and the coaxial line of connecting pipe 3 in the connecting pipe 3, the lateral wall of mobile ring 7 and the inside wall screw-thread fit of connecting pipe 3, the one end that purification box 2 was kept away from to mobile ring 7 stretches out connecting pipe 3 and the at least three pipe 8 of fixedly connected with, angle interval distribution such as three pipe 8 is on the lateral wall of mobile ring 7, insert on one of them pipe 8 and be equipped with the handle 9 that is used for rotatory mobile ring 7, handle 9 can separate with pipe 8 completely, and it is equipped with second rubber sleeve 10 to go back fixed cover on the handle 9. The round tube 8 and the handle 9 form a rotating component of the rotary moving ring 7; the rotating assembly and the moving ring 7 constitute a driving means for driving the contraction portion 6 to contract inwardly along the guide slope 5. When exhaust pipe 15 and connecting pipe 3 need be connected, the staff at first passes exhaust pipe 15 first rubber sleeve 4 and inserts to connecting pipe 3 in, rotate shift ring 7 through handle 9 afterwards, under the effect of screw thread, shift ring 7 will move and extrude first rubber sleeve 4 towards first rubber sleeve 4, constriction 6 will be along leading inclined plane 5 toward the internal contraction, first rubber sleeve 4 not only can be filled up the clearance between direction inclined plane 5 and exhaust pipe 15, reduce the probability that waste gas leaked, first rubber sleeve 4 still can firmly press from both sides tight exhaust pipe 15. The first rubber boot 4 having elasticity can play a role of sealing and locking the exhaust pipe 15 even if the diameter specification of the exhaust pipe 15 is changed within a certain range. If the exhaust pipe 15 and the connecting pipe 3 are to be detached, the worker rotates the moving ring 7 in the reverse direction to prevent the moving ring from abutting against the first rubber sleeve 4.

In order to prevent the exhaust pipe 15 from being inserted into the filter medium 1 and affecting the filtering effect of the filter medium 1, an abutting block 11 for limiting the abutting of the end part of the exhaust pipe 15 is fixedly connected to the inner side wall of the connecting pipe 3.

Referring to fig. 1, the purification box 2 includes a first box 21 and a second box 22 which are hollow inside and have one end opened, and the first box 21 and the second box 22 are butted to form a cavity 12 for placing the filter material 1. At least two buckles 13 are further installed between the first box body 21 and the second box body 22, and the buckles 13 are used for locking the first box body 21 and the second box body 22 after being butted. A sealing ring 14 for improving sealing performance is further installed in the gap between the first case 21 and the second case 22. The arrangement of the first box body 21, the second box body 22 and the hasp 13 facilitates the replacement of the filter material 1 in the purification box 2 by workers, and increases the use times of the waste gas filter.

The implementation principle of the embodiment is as follows: when exhaust pipe 15 and connecting pipe 3 are connected to needs, the staff first passes first rubber sleeve 4 with exhaust pipe 15 and inserts to connecting pipe 3 in, rotate shift ring 7 through handle 9 again afterwards, under the effect of screw thread, shift ring 7 will move and extrude first rubber sleeve 4 towards first rubber sleeve 4, constriction 6 will be along leading inclined plane 5 toward the internal contraction, first rubber sleeve 4 not only can be filled up the clearance between 5 and the exhaust pipe 15 of direction inclined plane, reduce the probability that waste gas leaked, first rubber sleeve 4 still can firmly press from both sides tight exhaust pipe 15. The first rubber boot 4 having elasticity can play a role of sealing and locking the exhaust pipe 15 even if the diameter specification of the exhaust pipe 15 is changed within a certain range. If the exhaust pipe 15 and the connecting pipe 3 are to be detached, the worker rotates the moving ring 7 in the reverse direction to prevent the moving ring from abutting against the first rubber sleeve 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an exhaust gas filter, is including the purification box (2) of built-in filter media (1) to and set up connecting pipe (3) at purification box (2) both ends, its characterized in that: a first rubber sleeve (4) which is used for being sleeved on the outer side wall of the exhaust pipe (15) is embedded in the connecting pipe (3), a conical contraction part (6) is arranged at one end, facing the purification box (2), of the first rubber sleeve (4), and a guide inclined plane (5) which is attached to the outer surface of the contraction part (6) is arranged on the inner wall of the connecting pipe (3); the connecting pipe (3) is provided with a driving device for driving the contraction part (6) to contract inwards along the guide inclined plane (5).

2. An exhaust gas filter according to claim 1, wherein: the driving device comprises a moving ring (7) which is coaxially arranged in the connecting pipe (3) and is in threaded fit with the inner side wall of the connecting pipe (3), and a rotating assembly which is arranged on the moving ring (7) and is used for rotating the moving ring (7).

3. An exhaust gas filter according to claim 2, wherein: the rotating assembly comprises a round pipe (8) fixedly connected to the moving ring (7) and a handle (9) inserted in the round pipe (8) and used for rotating the moving ring (7).

4. An exhaust gas filter according to claim 3, wherein: and a second rubber sleeve (10) is sleeved on the handle (9).

5. An exhaust gas filter according to claim 1, wherein: the purification box (2) comprises a first box body (21) and a second box body (22), and the first box body (21) and the second box body (22) are butted to form a cavity (12) for placing the filter material (1); a hasp (13) for locking the first box body (21) and the second box body (22) is arranged between the two box bodies.

6. An exhaust gas filter according to claim 5, wherein: a sealing ring (14) is arranged between the first box body (21) and the second box body (22).

7. An exhaust gas filter according to claim 1, wherein: and the inner side wall of the connecting pipe (3) is provided with a butt joint block (11) for butting against the end part of the exhaust pipe (15).