CN220918469U

CN220918469U - Connection structure

Info

Publication number: CN220918469U
Application number: CN202322305123.3U
Authority: CN
Inventors: 宋维平; 张勇; 王健锋; 董俊宏
Original assignee: Jilin Huaming Pipe Industry Co ltd
Current assignee: Jilin Huaming Pipe Industry Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-05-10
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to the technical field of bag opening fixing equipment, in particular to a connecting structure which comprises an exhaust pipe, a rotating shaft, a clamping frame and a tension spring. Hooks A are symmetrically arranged on two sides of the exhaust pipe, a bearing seat A and a bearing seat B are respectively arranged on two sides of the exhaust pipe, and an inner tooth groove is arranged on one side, away from the bearing seat A, of the bearing seat B. The rotating shaft is rotatably arranged on the inner sides of the bearing seat A and the bearing seat B, a sliding rod which is in sliding connection with the rotating shaft is arranged in the rotating shaft, a clamping block is arranged at one end of the sliding rod, the clamping block is in meshed connection with the inner tooth groove, and a resetting piece which drives the sliding rod to slide back is arranged in the rotating shaft. The clamping frame is arranged on the rotating shaft, the clamping frame is attached to the bottom of the exhaust pipe, hooks B are arranged on two sides of the clamping frame, and the hooks B are connected with the hooks A through tension springs. According to the utility model, the rotatable clamping frame which can be automatically reset and is attached to the discharging pipe is arranged on the discharging pipe, and after the dust removing bag is sleeved on the discharging pipe, the dust removing bag is clamped by the clamping frame, so that the cloth bag is prevented from falling off, and the whole device is simple in structure and convenient to operate.

Description

Connection structure

Technical Field

The utility model relates to the technical field of bag opening fixing equipment, in particular to a connecting structure.

Background

The working mechanism of the bag-type dust collector is that dust-containing flue gas passes through a filter material, dust particles are filtered, coarse-grain dust is captured by the filter material mainly by inertial collision, and fine-grain dust is captured by diffusion and screening. The core of the bag-type dust collector is a dust collecting bag.

At present, a dust removal tank bag is hung on a funnel mouth by using an iron wire or a hoop, is easy to fall off, and is cumbersome and inconvenient to operate no matter fixed or later-stage detached and replaced.

Disclosure of utility model

The utility model aims to solve the problems in the background art and provides a connecting structure.

The technical scheme of the utility model is as follows: a connecting structure comprises an exhaust pipe, a rotating shaft, a clamping frame and a tension spring.

Hooks A are symmetrically arranged on two sides of the exhaust pipe, a bearing seat A and a bearing seat B are respectively arranged on two sides of the exhaust pipe, and an inner tooth groove is arranged on one side, away from the bearing seat A, of the bearing seat B.

The rotating shaft is rotatably arranged on the inner sides of the bearing seat A and the bearing seat B, a sliding rod which is in sliding connection with the rotating shaft is arranged in the rotating shaft, a clamping block is arranged at one end of the sliding rod, the clamping block is inserted into the inner tooth groove in a sliding manner and is in meshed connection with the inner tooth groove, and a reset piece which drives the sliding rod to slide back is arranged in the rotating shaft.

The clamping frame is arranged on the rotating shaft, the clamping frame is attached to the bottom of the exhaust pipe, hooks B are arranged on two sides of the clamping frame, and the hooks B are connected with the hooks A through tension springs.

Preferably, a cylindrical hole is formed in the bearing seat B and is communicated with the inner tooth groove, and the rotating shaft is positioned in the cylindrical hole and is rotationally connected with the cylindrical hole.

Preferably, the slide bar is a non-cylindrical bar, and the end of the slide bar, which is far away from the clamping block, is provided with a button, and the outer end surface of the button is provided with a flexible protection pad.

Preferably, the reset piece comprises a limiting block and a spring. The rotating shaft is internally provided with a cylindrical groove communicated with the internal channel, the spring is positioned in the cylindrical groove, and the spring is sleeved outside the sliding rod. The stopper sets up on the slide bar, and the both ends of spring are respectively with stopper one side and the inner wall butt in cylindrical groove that keeps away from bearing frame A.

Preferably, the clamping frame is provided with a groove at one end far away from the rotating shaft.

Preferably, both sides of the clamping frame are provided with sliding grooves, sliding blocks which are in sliding connection with the sliding grooves are arranged in the sliding grooves, and the hooks B are connected with the sliding blocks. The screw rod is arranged in the sliding groove in a rotating way, penetrates through the sliding block and is in threaded connection with the sliding block, and a key groove is formed in the outer end face of the screw rod.

Preferably, the end of the clamping block close to the bearing seat A is provided with a smooth chamfer.

Compared with the prior art, the utility model has the following beneficial technical effects:

The inner tooth groove is formed in the bearing seat B, the sliding rod is arranged in the rotating shaft and connected with the clamping block and the button, the clamping block is positioned in the inner tooth groove and is in meshed connection with the inner tooth groove, the rotation of the rotating shaft and the clamping frame is limited by utilizing the meshing relation of the clamping block and the inner tooth groove, and the clamping frame is kept at a certain angle when the clamping frame is opened, so that convenience is brought to the installation of the dust removing bag by workers.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

fig. 2 is a connection structure diagram of the clamping frame and the bearing seat a and B;

FIG. 3 is a block diagram of a bearing housing;

Fig. 4 is a connection structure diagram of each component in the rotating shaft.

Reference numerals: 1. a discharge pipe; 2. a hook A; 3. a bearing seat A; 4. a bearing seat B; 401. a cylindrical hole; 402. an inner spline; 5. a rotating shaft; 501. a cylindrical groove; 6. a slide bar; 601. a button; 602. a limiting block; 7. a clamping block; 8. a spring; 9. a clamping frame; 901. a chute; 902. a groove; 10. a slide block; 11. a screw rod; 111. a key slot; 12. a hook B; 13. and a tension spring.

Detailed Description

Example 1

As shown in fig. 1 to 4, the connecting structure provided by the utility model comprises a discharge pipe 1, a rotating shaft 5, a clamping frame 9 and a tension spring 13.

Hooks A2 are symmetrically arranged on two sides of the discharge pipe 1, a bearing seat A3 and a bearing seat B4 are respectively arranged on two sides of the discharge pipe 1, and an inner tooth groove 402 is arranged on one side, away from the bearing seat A3, of the bearing seat B4.

The rotating shaft 5 is rotatably arranged on the inner sides of the bearing seat A3 and the bearing seat B4, a cylindrical hole 401 is arranged in the bearing seat B4, the cylindrical hole 401 is communicated with the inner tooth groove 402, and the rotating shaft 5 is positioned in the cylindrical hole 401 and is rotatably connected with the cylindrical hole 401. The sliding rod 6 which is in sliding connection with the sliding rod is arranged in the rotating shaft 5, a clamping block 7 is arranged at one end of the sliding rod 6, a smooth chamfer is arranged at one end of the clamping block 7 close to the bearing seat A3, the clamping block 7 is inserted into the inner tooth groove 402 in a sliding manner and is in meshed connection with the inner tooth groove, and a resetting piece for driving the sliding rod 6 to slide back is arranged in the rotating shaft 5. The slide bar 6 is a non-cylindrical bar, and one end of the slide bar 6 far away from the clamping block 7 is provided with a button 601, and the outer end surface of the button 601 is provided with a flexible protection pad. The reset member includes a stop 602 and a spring 8. A cylindrical groove 501 communicated with the internal channel of the rotating shaft 5 is arranged in the rotating shaft 5, a spring 8 is positioned in the cylindrical groove 501, and the spring 8 is sleeved outside the sliding rod 6. The stopper 602 is arranged on the slide bar 6, and two ends of the spring 8 are respectively abutted with one side of the stopper 602 away from the bearing seat A3 and the inner wall of the cylindrical groove 501.

The clamping frame 9 is arranged on the rotating shaft 5, a groove 902 is formed in one end, far away from the rotating shaft 5, of the clamping frame 9, the clamping frame 9 is attached to the bottom of the discharging pipe 1, hooks B12 are arranged on two sides of the clamping frame 9, and the hooks B12 are connected with the hooks A2 through tension springs 13.

In this embodiment, the hook A2 is welded on the outer side of the discharging tube 1, then the bearing seat A3 and the bearing seat B4 are welded on two sides of the discharging tube 1, two ends of the tension spring 13 are respectively hooked on the corresponding side hook A2 and the corresponding side hook B12, at this time, the clamping frame 9 is attached to the lower surface of the discharging tube 1 under the action of the tension spring 13, when a dust removing bag needs to be hung, the button 601 is pressed firstly, the slide rod 6 slides and ejects the clamping block 7 out of the inner tooth socket 402, so that the rotation restriction on the clamping frame 9 is relieved, a worker pulls down the clamping frame 9 after inserting fingers into the groove 902, releases the button 601 after the clamping frame 9 is turned down to a certain angle, the clamping block 7 automatically rebounds and is clamped into the inner tooth socket 402 under the action of the tension of the spring 8 to realize rotation restriction on the clamping frame 9, then the dust removing bag passes through the inner side of the clamping frame 9 and is sleeved outside the discharging tube 1, at this time, the button 601 is pressed again to enable the clamping block 7 to slide out of the inner tooth socket 402 under the action of the tension spring 13, at this time, the dust removing bag is automatically reset and removed under the action of the tension spring 13, the operation is simple and convenient, the connection stability of the dust removing bag and the discharging tube 1 is also convenient in a later period.

Example two

As shown in fig. 1 and 2, in the connecting structure according to the present utility model, compared with the first embodiment, both sides of the clamping frame 9 are provided with sliding grooves 901, sliding blocks 10 slidably connected with the sliding grooves 901 are provided in the sliding grooves 901, and hooks B12 are connected with the sliding blocks 10. The sliding groove 901 is rotationally provided with a screw rod 11, the screw rod 11 penetrates through the sliding block 10 and is in threaded connection with the sliding block, and the outer end face of the screw rod 11 is provided with a key groove 111.

In this embodiment, after long-term use, the tension spring 12 becomes soft gradually, at this time, the tension force of the tension spring 12 to the clamping frame 9 becomes weak gradually, and then the clamping force to the dust removal bag becomes small gradually, if the tension spring 12 is too soft, the clamping frame 9 naturally swings down when the button 601 is released, the clamping frame 9 cannot be attached to the lower surface of the discharge pipe 1, and then the dust removal bag is caused to directly fall off from the discharge pipe 1. At this time, by means of the tool inserted into the key slot 111 and driving the screw rod 11 to rotate, the screw rod 11 rotates to drive the sliding block 10 to slide, so that the tension spring 12 is lengthened, the tension of the tension spring 12 to the clamping frame 9 can be recovered by changing the initial length of the tension spring, the tension spring can be fully utilized, frequent replacement is not needed, and the structure is simple and convenient to operate.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The connecting structure is characterized by comprising a discharge pipe (1), a rotating shaft (5), a clamping frame (9) and a tension spring (13);

Hooks A (2) are symmetrically arranged on two sides of the discharge pipe (1), a bearing seat A (3) and a bearing seat B (4) are respectively arranged on two sides of the discharge pipe (1), and an inner tooth slot (402) is arranged on one side, far away from the bearing seat A (3), of the bearing seat B (4);

The rotating shaft (5) is rotatably arranged on the inner sides of the bearing seat A (3) and the bearing seat B (4), a sliding rod (6) which is in sliding connection with the rotating shaft is arranged in the rotating shaft (5), a clamping block (7) is arranged at one end of the sliding rod (6), the clamping block (7) is inserted into the inner tooth groove (402) in a sliding manner and is in meshed connection with the inner tooth groove, and a reset piece which drives the sliding rod (6) to slide back is arranged in the rotating shaft (5);

The clamping frame (9) is arranged on the rotating shaft (5), the clamping frame (9) is attached to the bottom of the discharging pipe (1), hooks B (12) are arranged on two sides of the clamping frame (9), and the hooks B (12) are connected with the hooks A (2) through tension springs (13).

2. A connection according to claim 1, characterized in that a cylindrical hole (401) is provided in the bearing block B (4), the cylindrical hole (401) communicates with the internal tooth groove (402), and the rotating shaft (5) is located in the cylindrical hole (401) and is rotatably connected thereto.

3. A connecting structure according to claim 1, characterized in that the slide bar (6) is a non-cylindrical bar, and the end of the slide bar (6) far away from the clamping block (7) is provided with a button (601), and the outer end surface of the button (601) is provided with a flexible protection pad.

4. A connecting structure according to claim 1, characterized in that the return element comprises a stopper (602) and a spring (8); a cylindrical groove (501) communicated with the internal channel of the rotating shaft (5) is arranged in the rotating shaft, a spring (8) is positioned in the cylindrical groove (501), and the spring (8) is sleeved outside the sliding rod (6); the limiting block (602) is arranged on the sliding rod (6), and two ends of the spring (8) are respectively abutted with one side, away from the bearing seat A (3), of the limiting block (602) and the inner wall of the cylindrical groove (501).

5. A connection according to claim 1, characterized in that the end of the clamping frame (9) remote from the rotation shaft (5) is provided with a recess (902).

6. The connecting structure according to claim 1, characterized in that both sides of the clamping frame (9) are provided with sliding grooves (901), sliding blocks (10) which are in sliding connection with the sliding grooves (901) are arranged in the sliding grooves (901), and hooks B (12) are connected with the sliding blocks (10); the sliding groove (901) is rotationally provided with a screw rod (11), the screw rod (11) penetrates through the sliding block (10) and is in threaded connection with the sliding block, and the outer end face of the screw rod (11) is provided with a key groove (111).

7. A connecting structure according to claim 1, characterized in that the end of the clamping block (7) adjacent to the bearing seat a (3) is provided with a smooth chamfer.