Exhaust structure of abrasive paper machine

Abstract

The utility model provides an abrasive paper machine exhaust structure which comprises a straight joint, and the straight joint is arranged on a silencing cover screw in a sleeving mode, connected to an air outlet of an abrasive paper machine body through the silencing cover screw and capable of rotating around the periphery of the silencing cover screw. One end of the bent connector is fixedly connected to the end opening, away from the abrasive paper machine body, of the straight connector, and when the straight connector rotates, the bent connector also rotates along with the straight connector; and the interiors of the silencing cover screw, the straight joint and the bent joint are continuously communicated to form an exhaust channel. The exhaust valve is simple in overall structure and convenient to install and use, the exhaust direction can be adjusted according to requirements, and the exhaust valve has high application and popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of sandpaper machines, in particular to an exhaust structure of a sandpaper machine. Background Art

[0002] A sandpaper machine is a tool used for grinding and polishing. Powered by an electric motor, it uses abrasive grains on sandpaper to grind surfaces to achieve smoothness or glossiness. Traditional sandpaper machines primarily exhaust directly through the screws of the muffler cover, which doesn't allow for 360-degree rotational exhaust as required, making them unsuitable for use in diverse working environments.

[0003] Therefore, we propose a new sandpaper machine exhaust mechanism to solve the above problems in the prior art. Utility Model Content

[0004] The purpose of the utility model is to provide an exhaust structure for a sandpaper machine, so as to solve the problem that the exhaust angle of the sandpaper machine in the prior art cannot be adjusted.

[0005] To achieve the above purpose, the present invention adopts the following technical solution: a sandpaper machine exhaust structure, comprising:

[0006] A straight-through connector, which is sleeved on the muffler cover screw, is connected to the air outlet of the sandpaper machine body through the muffler cover screw, and can rotate around the outer circumference of the muffler cover screw;

[0007] An elbow joint, one end of which is fixedly connected to a port of the straight joint away from the sandpaper machine body, and when the straight joint rotates, the elbow joint also rotates accordingly;

[0008] The interiors of the muffler cover screws, the straight joint and the elbow joint are continuously connected to form an exhaust passage.

[0009] Furthermore, a sealing gasket is provided at the connection between the straight-through joint and the screw of the silencer cover.

[0010] Furthermore, the sealing gasket is a PTFE flat gasket.

[0011] Furthermore, the connecting end of the straight-through joint and the muffler cover screw has an inwardly convex boss, and the muffler cover screw has a convex edge that is snap-fitted with the boss.

[0012] Furthermore, a sealing gasket is provided at the clamping position between the boss and the convex edge.

[0013] Furthermore, the elbow joint and the straight joint are connected by threads.

[0014] After adopting the above technical solution, compared with the existing technology, it has the following beneficial effects: the overall structure of the utility model is simple, easy to install, the exhaust direction can be adjusted according to needs, it is easy to use, and has a high promotion and application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 This is an exploded view of the structure of the utility model connected to the sandpaper machine body 1;

[0017] Figure 2 It is a cross-sectional view of the present utility model.

[0018] Explanation of the accompanying reference numerals: 1. straight-through connector; 11. boss; 2. screw for the muffler cover; 21. convex edge; 3. elbow connector; 4. sandpaper machine body; 41. air outlet; 5. sealing gasket. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] In view of the problems existing in the prior art, the present invention provides an exhaust structure for a sandpaper machine. The present invention will be described in detail below with reference to the accompanying drawings.

[0021] See Figure 1-Figure 2 As shown, the technical solution adopted in this specific embodiment is: a sandpaper machine exhaust structure, specifically including a straight joint 1, a silencer cover screw 2 and a bent joint 3. The straight joint 1 is sleeved and clamped on the end of the silencer cover screw 2, and is connected to the air outlet 41 of the sandpaper machine body 4 through the silencer cover screw 2, and can rotate around the outer circumference of the silencer cover screw 2. Specifically, the silencer cover screw 2 and the air outlet 41 are connected by a thread, the air outlet 41 is provided with an internal thread, and the silencer cover screw 2 is provided with an external thread that cooperates with the internal thread of the air outlet 41. The tightness of the straight joint 1 is adjusted by adjusting the silencer cover screw 2, so that one end of the straight joint 1 is tight and can achieve 360° rotation.

[0022] One end of the elbow joint 3 is fixedly connected to the port of the straight joint 1 away from the sandpaper machine body 4. When the straight joint 1 is rotated, the elbow joint 3 also rotates. The other end of the elbow joint 3 can be connected to the hose for use.

[0023] It should be specifically noted that the elbow joint 3 can be fixed to the straight joint 1 by means of a threaded connection. Of course, the elbow joint 3 can also be fixedly installed on the straight joint 1 by means of other connection methods, such as a clamping connection, a flange connection, etc. In some connection forms, a sealing component can be provided between the elbow joint 3 and the straight joint 1 to improve the sealing of the connection.

[0024] The interiors of the silencer cover screw 2, the straight joint 1 and the elbow joint 3 are continuously connected to form an exhaust passage. The silencer cover screw 2 is connected to the air outlet 41, and the gas is discharged through the air outlet 41 and the exhaust passage in sequence.

[0025] Specifically, the connection between the straight-through connector 1 and the muffler screw 2 includes an inwardly convex boss 11, and the muffler screw 2 includes a flange 21 that engages with the boss 11. A sealing gasket 5 is provided at the connection between the straight-through connector 1 and the muffler screw 2. This sealing gasket 5 effectively prevents gas leakage caused by pressure fluctuations during operation of the sandpaper machine body 4, while also ensuring a clean and safe working environment. Preferably, the sealing gasket 5 is a PTFE flat gasket, which has excellent corrosion resistance and stability, and thus maintains good sealing performance even in harsh environments.

[0026] The exhaust end of the silencer cover screw 2 is provided with a hollow grid structure, and silencer cotton can be placed inside the hollow grid structure to reduce noise.

[0027] Working principle: During the installation process, the tightness of the straight joint 1 can be adjusted by adjusting the silencer screw 2, so that one end of the straight joint 1 is tight and can achieve 360° rotation. During use, the user rotates the straight joint 1 as needed, and the elbow 3 rotates with the rotation of the straight joint 1, and finally the exhaust angle can be adjusted to achieve 360° exhaust of the sandpaper machine body 4.

[0028] In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the present invention.

[0029] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A sandpaper machine exhaust structure, characterized in that: include: A straight-through connector, which is sleeved on the muffler cover screw, is connected to the air outlet of the sandpaper machine body through the muffler cover screw, and can rotate around the outer circumference of the muffler cover screw; An elbow joint, one end of which is fixedly connected to a port of the straight joint away from the sandpaper machine body, and when the straight joint rotates, the elbow joint also rotates accordingly; The interiors of the muffler cover screws, the straight joint and the elbow joint are continuously connected to form an exhaust passage.

2. The sandpaper machine exhaust structure according to claim 1, characterized in that: A sealing gasket is provided at the connection between the straight-through joint and the screw of the muffler cover.

3. The sandpaper machine exhaust structure according to claim 2, characterized in that: The sealing gasket is a PTFE flat gasket.

4. The sandpaper machine exhaust structure according to claim 1, characterized in that: The connecting end of the straight-through joint and the muffler cover screw is provided with an inwardly convex boss, and the muffler cover screw is provided with a convex edge which is engaged with the boss.

5. The sandpaper machine exhaust structure according to claim 4, characterized in that: A sealing gasket is provided at the clamping position between the boss and the convex edge.

6. The sandpaper machine exhaust structure according to claim 1, characterized in that: The elbow joint is connected to the straight joint through threads.

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