CN217453398U - Sander with dust bag quick-assembling function - Google Patents

Abstract

The utility model provides a grinder with dust bag fast-assembling function, include: the dust collector comprises a machine shell and a dust collecting device, wherein the machine shell is provided with a dust outlet and a cylindrical sleeve extending out of the dust outlet, and the inner wall of the cylindrical sleeve is provided with a first annular groove; the support comprises a hollow insert which is suitable for being inserted into the cylindrical sleeve, the inner wall of the hollow insert is provided with a second annular groove, the outer wall of the hollow insert is provided with a flange which is suitable for being embedded into the first annular groove, and the hollow insert is composed of at least 2 elastic sheets which are distributed at intervals around the annular sleeve; the C-shaped clamp spring is embedded into the second annular groove; when the hollow plug-in unit is inserted into the cylindrical sleeve, the flange is embedded into the first annular groove, and the C-shaped clamp spring provides supporting force for the hollow plug-in unit from inside to outside. The sander with the function of quickly mounting the dust bag ensures that the dust bag is not easy to loosen during the work of the sander through the novel connecting structure of the dust bag and the shell.

Description

Sander with dust bag quick-assembling function

Technical Field

The utility model relates to a polishing grinding apparatus technical field especially relates to a grinder with dust bag fast-assembling function.

Background

Because sanders produce dust during operation, sanders are equipped with dust bags that absorb and store the dust. The sanding machine works by means of deflection, so that vibration can be generated, the existing sanding machine generally adopts a rotating buckle type or a push-pull type to connect the machine shell and the dust bag, and the machine shell and the dust bag are easy to loosen or even fall off in continuous vibration due to the two connection modes when the machine works, so that dust leakage is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the problem that the connected mode of suction bag and casing in order to solve prior art sanding machine is not hard up easily at the sanding machine during operation, the utility model provides a sanding machine with suction bag fast-assembling function solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a sander with a dust bag quick-assembly function comprises:

the dust collector comprises a machine shell and a dust collecting device, wherein the machine shell is provided with a dust outlet and a cylindrical sleeve extending out of the dust outlet, and the inner wall of the cylindrical sleeve is provided with a first annular groove;

a holder comprising a hollow insert adapted to be inserted into the cylindrical sleeve, the inner wall of the hollow insert having a second annular groove, the outer wall of the hollow insert being provided with a flange adapted to fit into the first annular groove,

the hollow insert consists of at least 2 elastic sheets which are distributed at intervals around the ring;

the C-shaped clamp spring is embedded into the second annular groove;

when the hollow plug-in unit is inserted into the cylindrical sleeve, the flange is embedded into the first annular groove, and the C-shaped clamp spring provides supporting force for the hollow plug-in unit from inside to outside.

As a preference, the first and second liquid crystal compositions are,

from the direction of insertion, the flange includes first slope and first arc domatic in proper order, first annular recess has second slope and the domatic second of the adaptation of first slope and first arc domatic respectively.

As a preference, the first and second liquid crystal compositions are,

the inner wall of the hollow insert is provided with a first boss and a second boss, and the first bosses and the second bosses are alternately distributed on the elastic sheet around the ring to form the second annular groove.

As a preference, the first and second liquid crystal compositions are,

the support comprises a main body and frame rods, the main body is provided with a dust inlet, the hollow plug-in is communicated with the dust inlet, and the frame rods are connected with the main body and distributed around the annular space.

Preferably, the method further comprises the following steps:

the main body is provided with a third annular groove, the dust collection bag covers the plurality of the frame rods and is fixedly connected with the main body through an elastic piece, and the elastic piece hoops the dust collection bag on the main body by utilizing the elasticity of the elastic piece and is embedded into the third annular groove.

Preferably, the method further comprises the following steps:

the rubber ring is sleeved on the hollow plug-in unit and seals a gap between the hollow plug-in unit and the cylindrical sleeve.

The beneficial effects of the utility model are that, this kind of grinder with dust bag fast-assembling function makes the dust bag be difficult for the pine to take off at grinder work through the neotype connection structure of dust bag and casing.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a preferred embodiment of the sander with a dust bag quick-assembly function according to the present invention.

Fig. 2 is a schematic view of a local structure of the sander with a dust bag quick-assembly function of the present invention.

Fig. 3 is a sectional view of the sander with the dust bag quick-assembly function of the present invention.

Fig. 4 is an enlarged schematic view of a in fig. 3.

In the drawings

1. A machine shell, a first cover plate and a second cover plate,

2. a support frame is arranged on the base plate,

3. a cylindrical sleeve is arranged on the inner side of the sleeve,

4. a first ring-shaped groove is formed on the outer side of the first ring-shaped groove,

5. the hollow plug-in components are arranged in the shell,

6. a second annular groove is formed in the first annular groove,

7. a first convex plate is arranged on the upper surface of the base plate,

8. a second boss is arranged on the second side of the frame,

9. a C-shaped clamp spring is arranged on the upper surface of the shell,

10. the flanges are provided with a plurality of grooves,

11. the rubber ring is provided with a rubber ring,

12. a main body which is provided with a plurality of grooves,

13. a rack rod is arranged on the rack body,

14. third annular groove

15. A dust collection bag.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-4, the utility model provides an embodiment of grinder with dust bag fast-assembling function, including casing 1 and support 2, casing 1 is including the cylindricality sleeve 3 that is used for getting rid of the play dirt mouth of dust and extends from a dirt mouth, and cylindricality sleeve 3's inner wall has first annular groove 4. The frame 2 comprises a hollow insert 5 consisting of at least 2 resilient sheets, in this case plastic or metal sheets, spaced around the ring, which are themselves resilient, and which are arranged at intervals around the ring to be gathered and spread apart under the influence of an external force. The inner wall of the hollow insert 5 is provided with a second annular groove 6, the second annular groove 6 is formed by a plurality of first bosses 7 and second bosses 8 which are alternately distributed on the inner wall of the elastic sheet in a surrounding mode, and the C-shaped clamp spring 9 is embedded into the second annular groove 6. Two side surfaces of the C-shaped clamp spring 9 embedded into the second annular groove 6 are not completely wrapped, so that the C-shaped clamp spring 9 is easy to disassemble, assemble and replace. The outer wall of the hollow insert 5 is provided with a flange 10 adapted to be embedded in the first annular recess 4, the flange 10 comprising in sequence, from the direction of insertion, a first ramp surface and a first arcuate ramp surface, the first annular recess 4 having a second ramp surface and a second arcuate ramp surface adapted to the first ramp surface and the first arcuate ramp surface, respectively.

When the hollow plug-in 5 is inserted into the cylindrical sleeve 3, because the outer diameter of the flange 10 is larger than the inner wall of the cylindrical sleeve 3, a plurality of elastic sheets are slightly gathered by extrusion, the C-shaped clamp spring 9 is pressed to deform, and the first arc slope surface of the flange 10 is smooth, so that the smooth insertion of the hollow plug-in 5 is facilitated. When the flange 10 reaches the first annular groove 4 and is embedded into the first annular groove, the first slope surface is attached to the second slope surface, the first arc-shaped slope surface and the second arc-shaped slope surface rebound, the C-shaped clamp spring 9 supports the elastic sheet from the inside, and the hollow plug-in 5 and the cylindrical sleeve 3 are prevented from loosening. The first arc-shaped slope surface and the second slope surface are matched to facilitate the extraction of the hollow insert 5.

In this embodiment, the hollow insert 5 is sleeved with a rubber ring 11, and after the flange 10 is embedded into the first annular groove 4, the end of the cylindrical sleeve 3 presses the rubber ring 11, so that the rubber ring 11 seals a gap between the hollow insert 5 and the first annular groove 4, and prevents dust from leaking.

The bracket 2 further comprises a main body 12 and a plurality of rods 13, wherein the main body 12 is provided with a dust inlet, the hollow insert 5 is communicated with the dust inlet, and the rods 13 are connected with the main body 12 and distributed around the annular space. The main body 12 has a third annular groove 14, and the dust bag 15 is wrapped on the plurality of frame bars 13 and is fixedly connected with the main body 12 by an elastic member, which clamps the dust bag 15 on the main body 12 by its own elasticity and is embedded in the third annular groove 14. In this example, the elastic member is a bungee cord.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a grinder with dust bag fast-assembling function which characterized in that includes:

the dust collector comprises a machine shell and a dust collecting device, wherein the machine shell is provided with a dust outlet and a cylindrical sleeve extending out of the dust outlet, and the inner wall of the cylindrical sleeve is provided with a first annular groove;

a holder comprising a hollow insert adapted to be inserted into the cylindrical sleeve, the inner wall of the hollow insert having a second annular groove, the outer wall of the hollow insert being provided with a flange adapted to fit into the first annular groove,

the hollow insert consists of at least 2 elastic sheets which are distributed at intervals around the ring;

the C-shaped clamp spring is embedded into the second annular groove;

when the hollow plug-in unit is inserted into the cylindrical sleeve, the flange is embedded into the first annular groove, and the C-shaped clamp spring provides supporting force for the hollow plug-in unit from inside to outside.

2. The sander with dust bag quick-install function as claimed in claim 1, wherein:

from the direction of insertion, the flange includes first slope and first arc slope in proper order, first annular groove has second slope and the domatic second of the adaptation of first slope and first arc slope respectively.

3. The sander with dust bag quick-install function as claimed in claim 2, wherein:

the inner wall of the hollow insert is provided with a first boss and a second boss, and the first bosses and the second bosses are annularly and alternately distributed on the elastic sheet to form the second annular groove.

4. The sander with dust bag quick-install function as claimed in claim 3, wherein:

the support comprises a main body and frame rods, the main body is provided with a dust inlet, the hollow plug-in is communicated with the dust inlet, and the frame rods are connected with the main body and distributed around the annular space.

5. The sander with dust bag quick load function as set forth in claim 4, further comprising:

the main body is provided with a third annular groove, the dust collection bag covers the plurality of the frame rods and is fixedly connected with the main body through an elastic piece, and the elastic piece hoops the dust collection bag on the main body by utilizing the elasticity of the elastic piece and is embedded into the third annular groove.

6. The sander with dust bag quick load function as set forth in claim 5, further comprising:

the rubber ring is sleeved on the hollow plug-in unit and seals a gap between the hollow plug-in unit and the cylindrical sleeve.

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