CN219397656U

CN219397656U - Sand blasting machine handle tail wire joint

Info

Publication number: CN219397656U
Application number: CN202320258260.3U
Authority: CN
Inventors: 鲁成旺; 唐鹏; 覃荣情
Original assignee: Guilin Woodpecker Medical Instruments Co Ltd
Current assignee: Guilin Woodpecker Medical Instruments Co Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-25
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to the technical field of dental sand blasting, and particularly discloses a tail wire connector of a handle of a sand blasting machine, which comprises a connector body, wherein an inner cavity of the connector body is provided with an air channel, one end of the connector body is connected with a flexible pipe, the flexible pipe is coated outside the air channel, and a plurality of air leakage holes are formed in the connector body; the air leakage hole is used for communicating the inner cavity of the connector body with the outside, and the inner cavity of the flexible pipe is communicated with the air leakage hole. The utility model has the advantages of timely finding out sand powder leakage and discharging the sand powder, safer and more reliable operation process and the like.

Description

Sand blasting machine handle tail wire joint

Technical Field

The utility model relates to the technical field of dental sand blasting, in particular to a tail wire connector of a handle of a sand blasting machine.

Background

The dental sand blasting technology adopts a water path and a gas path in combination, and adopts high-speed sand powder to clean teeth. In the existing structure, a flexible pipe (such as a silicone tube) is wrapped outside a common gas circuit, and in daily use, once the gas pipe is broken under the collision of high-speed sand powder, high-speed air flow and/or sand powder can leak into the flexible pipe, so that the flexible pipe is easy to burst, and potential safety hazards are caused.

Disclosure of Invention

The utility model aims at the technical problem of providing a handle tail joint of a sand blasting machine, which is safe to use.

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

the tail wire connector of the handle of the sand blasting machine comprises a connector body, wherein an inner cavity of the connector body is provided with an air path, and the connector body is provided with a plurality of air leakage holes; the air leakage hole communicates the inner cavity of the joint body with the outside.

Optionally, the connector body includes a host connector and a tail connector; the host connector is arranged at the upper part of the tail connector; the tail joint is provided with the air leakage hole, and the air leakage hole communicates the inner cavity of the tail joint with the outside.

Optionally, the device further comprises a locking connecting piece, wherein the locking connecting piece is used for tightly pressing and connecting the host connector to the tail connector through a connecting structure.

Optionally, the locking connector is a locking nut, and the host connector is provided with threads; the upper part of the lock nut is connected with the host connector through threads, and the lower part of the lock nut compresses the tail connector through a step structure.

Optionally, one end of the connector body is connected with a flexible tube, and the flexible tube is coated outside the air channel; the inner cavity of the flexible pipe is communicated with the inner cavity of the joint body.

Optionally, the flexible tube is a silicone tube.

Optionally, the air channel is an air pipe.

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

by adopting the utility model, once the air pipe is damaged under the collision of the high-speed sand powder, the sand powder leaks into the inner cavity of the joint body, the high-speed air flow and the sand powder can leak into the air through the air leakage hole, the sand powder can be timely and intuitively found out and the internal air pressure is eliminated once the sand powder leaks, some related potential safety hazards can not occur, and the use safety is higher.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of K-K of FIG. 1;

FIG. 3 is a sectional view of L-L of FIG. 1;

FIG. 4 is a schematic perspective view of the present utility model;

fig. 5 is a sectional view showing a state of detaching a main body joint, a tail joint, and a lock nut according to the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 5, the handle tail connector of the sand blasting machine comprises a connector body, wherein the connector body in the embodiment comprises a host connector 2 and a tail connector 4; the host connector 2 is arranged at the upper part of the tail connector 4; in order to connect the host connector 2 with the tail connector 4, in some embodiments, the host connector 2 may be directly connected to the upper portion of the tail connector 4 through a screw connection, a clamping connection, a socket connection, or other common connection structures.

In some embodiments, the following connection method may be selected: the main machine connector 2 is tightly connected to the tail wire connector 4 through other common connecting structures such as threaded connection, clamping connection, sleeving connection and the like; for example, in the present embodiment, the following specific structure may be preferable: the locking connector is a locking nut 1, and threads are arranged on the host connector 2; the upper part of the lock nut 1 is connected with the main joint 2 through threads, and the lower part of the lock nut compresses the tail joint 4 through a step structure. And further, the host connector 2 is tightly connected to the tail connector 4, and the gaps are sealed by sealing rings or sealing gaskets.

The inner cavity 6 of the tail wire connector 4 is provided with an air passage, and in the embodiment, the air passage is an independent air pipe 7, and a pressure-resistant air pipe can be optimized and is used for conveying high-speed air flow and sand powder; the lower part of the tail wire joint 4 is connected with a flexible pipe 5, and the flexible pipe 5 is coated outside the air pipe 7, and can be preferably a silicone pipe, a rubber pipe and the like; in this embodiment, the tail wire connector 4 is provided with a plurality of air release holes 3, and the size of the openings of the air release holes 3 ensures that sand powder can pass through; the air leakage hole 3 communicates the inner cavity 6 with the outside, and the inner cavity 9 of the flexible pipe 5 is communicated with the inner cavity 6 and then communicated with the air leakage hole 3. The design has the advantages that: once the air pipe 7 is broken under the collision of the high-speed sand powder, the sand powder leaks into the inner cavity 9 of the flexible pipe 5, and the high-speed air flow and the sand powder leak into the air through the air leakage hole 3. The sand powder leakage detection device has the advantages that the sand powder leakage detection device can be intuitively found in time and the sand powder in the flexible pipe 5 can be removed in time, the situation that the flexible pipe 5 is broken under air pressure can not occur, and the use safety is higher.

In the above technical solution, the structure of communicating the inner cavity 6, the air release hole 3 and the inner cavity 9 of the flexible tube 5 with each other includes, in a specific embodiment, the following specific solutions:

1. the inner cavity 6 is directly communicated with the air leakage hole 3, and meanwhile, the inner cavity 9 of the flexible pipe 5 is directly communicated with the inner cavity 6, so that the inner cavity 9 of the flexible pipe 5 is communicated with the air leakage hole 3.

2. The inner cavity 6 is directly communicated with the air leakage hole 3, and meanwhile, the inner cavity 9 of the flexible pipe 5 is directly communicated with the air leakage hole 3 by arranging other pipelines, namely, once the air pipe 7 is broken in the flexible pipe area, sand powder or air flow can be discharged from the air leakage hole 3 without passing through the inner cavity 6 of the joint body 1.

Preferably, the inner cavity 6 and the inner cavity 9 of the flexible tube 5 are further provided with a water channel 8, and in this embodiment, the water channel 8 is a transfusion tube, which is disposed side by side with the air tube 7.

Claims

1. The utility model provides a sand blasting machine handle tail connects, includes the joint body, the inner chamber of joint body is provided with gas circuit, its characterized in that: a plurality of air leakage holes are formed in the connector body; the air leakage hole communicates the inner cavity of the joint body with the outside.

2. The sander handle tail joint as set forth in claim 1, wherein: the connector body comprises a host connector and a tail connector; the host connector is arranged at the upper part of the tail connector; the tail joint is provided with the air leakage hole, and the air leakage hole communicates the inner cavity of the tail joint with the outside.

3. The sander handle tail joint as set forth in claim 2, wherein: the main engine connector is tightly connected to the tail wire connector through a connecting structure.

4. A sander handle tail joint as set forth in claim 3, wherein: the locking connecting piece is a locking nut, and threads are arranged on the host connector; the upper part of the lock nut is connected with the host connector through threads, and the lower part of the lock nut compresses the tail connector through a step structure.

5. The sander handle tail joint as set forth in claim 1, wherein: one end of the connector body is connected with a flexible pipe, and the flexible pipe is coated outside the air channel; the inner cavity of the flexible pipe is communicated with the inner cavity of the joint body.

6. The sander handle tail joint as set forth in claim 5, wherein: the flexible tube is a silica gel tube.

7. The sander handle tail joint as set forth in claim 1, wherein: the air passage is an air pipe.