CN217003424U - Snap ring for mounting pipe body on household appliance and household appliance - Google Patents

Abstract

The utility model relates to a clamping ring for mounting a pipe body on a household appliance and the household appliance, wherein the clamping ring comprises an annular body sleeved on the pipe body, a boss is formed on the outer peripheral wall of the annular body in an outward extending mode along the radial direction, a first connecting hole for enabling a connecting piece mounted on the household appliance to penetrate through and be positioned is formed in the boss, and the first connecting hole penetrates through the wall thickness of the boss. According to the utility model, the first connecting hole is formed in the boss of the clamping ring, the household appliance and the clamping ring can be connected together by the connecting piece penetrating through the first connecting hole, and the connecting piece can firmly install the clamping ring and the household appliance together in a mode of being positioned relative to the elastic sheet, so that the installation stability of the pipe body on the household appliance is realized, the pulling-off force of the pipe body when water flows through the pipe body can be borne, and the pipe body is prevented from displacing relative to the household appliance.

Description

Snap ring for mounting pipe body on household appliance and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a snap ring for mounting a pipe body on a household appliance and the household appliance.

Background

A dishwasher is an apparatus for washing food waste attached to tableware or cooking utensils using detergent and washing water, and waste water generated from washing is discharged through a drain pipe. The drain pipe of the dishwasher is mounted on the chassis and needs to be able to withstand a certain pulling force without coming loose. However, the drain pipe of the existing dish washer is troublesome to install, if the drain pipe is not aligned, the drain pipe is easily installed insecurely, and the cost of parts is high.

To the above-mentioned problem, chinese utility model patent of patent No. cn2013204411596.x (publication No. CN203400111U) discloses a "snap ring for installing a pipe body and a dishwasher having the same", the snap ring is suitable for the suit on the pipe body, be equipped with on the snap ring along the axially spaced shell fragment and the axial positioning boss of snap ring, the overhang of shell fragment is followed the outer peripheral face of snap ring is outside and towards the axial positioning boss extends.

When the pipe body is installed, the clamping ring can be sleeved on the pipe body firstly, then the elasticity of the elastic sheet is utilized to enable the clamping ring to drive the pipe body to penetrate through the installation hole in the installation panel together, the elastic sheet and the axial positioning boss are located on two sides of the installation panel respectively, the installation panel can prevent the pipe body from axially displacing relative to the installation panel, and the pipe body can bear certain tensile force without departing from the installation panel.

Because the sewage in the washing intracavity of dish washer need be followed the drain pipe and discharged, when rivers flow through the drain pipe, water pressure can make the drain pipe have certain pull-off power, so the drain pipe of dish washer is installed on the chassis, the two needs firm connection, otherwise the drain pipe can produce certain displacement relative to the chassis under the effect of rivers, the drain pipe of above-mentioned patent when the pull-off power that produces under hydraulic effect is great, can make the shell fragment produce to warp and lead to the snap ring to deviate from or produce the displacement from the chassis of dish washer, influence the drainage of drain pipe.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a snap ring for mounting a tube body on a household appliance, which can enable the tube body to be firmly mounted on the household appliance.

The second technical problem to be solved by the present invention is to provide a household appliance using the above snap ring, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a snap ring for inciting somebody to action body is installed on domestic appliance, includes and is used for the cover to establish the ring body on the body, radially outwards extend on the periphery wall of ring body and be formed with boss, its characterized in that: the boss is provided with a first connecting hole for allowing a connecting piece of the pipe body mounted on the household appliance to penetrate through and be positioned, and the first connecting hole penetrates through the wall thickness of the boss.

In order to facilitate the arrangement of the first connecting hole on the boss, the first connecting hole is arranged at the edge of the boss, and the first connecting hole is convenient for the connection piece to pass through at the edge of the boss.

In order to facilitate the insertion of the pipe body into the annular body, the annular body is formed by folding two half shells with circular arc-shaped cross sections, and the two half shells are detachably connected. Thus, the pipe body can be placed on one of the half shells firstly, and then the two half shells are combined; the mode that is integrative for the annular body is convenient for insert the body in the annular body.

If the two half-shells are completely separated, it is easy to cause one of the half-shells to be lost, so preferably each of the half-shells has two end walls arranged at intervals along the circumferential direction thereof, the two end walls are respectively a first end wall and a second end wall, the first end walls of the two half-shells are connected by a bendable connecting strip, and the second end walls of the two half-shells can be close to or far away from each other. The two half-shells are thus joined together, are not easily lost and are also easy to machine.

The second end walls of the two half-shells may be unconnected, or even not in contact, and the ring-shaped body may be constrained in the mounting holes of the mounting portion, hereinafter, to achieve alignment of the two half-shells, but to ensure secure mounting of the tube body in the snap ring, the second end walls of the two half-shells are detachably connected. Thus, the looseness between the two half shells can be prevented, the inner diameter of the annular body formed by the involution is prevented from being enlarged, and the pipe body is prevented from being not tightly wrapped.

Structurally simple, one of the ways of connecting the second end walls of the two half-shells is: two the second end wall of half shell passes through buckle subassembly and links to each other, buckle subassembly is including the buckle and the knot hole of the mutual lock of ability, the second end wall department of half shell is located to one of them to the buckle, the knot hole is seted up in the second end wall department of another half shell. The connecting strip is bent, and the buckle is buckled in the buckle hole, so that the involution of the two half shells is realized.

Structurally simple, another way of connecting the second end walls of the two half-shells is: the second end wall of one of the half shells is provided with a clamping protrusion, and the second end wall of the other half shell is provided with a clamping groove for the clamping protrusion to be correspondingly clamped in. The cooperation of card protruding and draw-in groove can prevent that two half shells from producing the displacement in the axial.

Preferably, a part of the boss is arched along the axial direction of the annular body to form a convex part with a U-shaped cross section, and the first connection hole is opened on the convex part.

Preferably, at least two ribs are arranged on the inner wall surface of the annular body at intervals along the axial direction of the annular body, each rib extends along the circumferential direction of the annular body, and at least two ribs form a corrugated structure.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a household appliance, characterized by: including installation department, body, connecting piece and above-mentioned snap ring, set up the mounting hole on the installation department and be located the second connecting hole of mounting hole one side, cyclic annular physical stamina cartridge is in the mounting hole, the second connecting hole can correspond with first connecting hole, the connecting piece includes the connecting rod, the connecting rod can wear to establish in first connecting hole and second connecting hole and relative the two location.

The connecting piece can have multiple structural style, for example first, the second connecting hole is the screw hole, and the connecting piece is the screw rod, simple structure, the connecting piece is the screw, the connecting rod is the screw rod of screw, the second connecting hole is the screw hole, the screw rod of screw passes first connecting hole and second connecting hole threaded connection, and under the state of screw rod and second connecting hole threaded connection, the boss is extruded between the head of installation department and screw. The screw is common in life, and only needs to set up a screw hole can.

In order to enable the screw to have enough thread pitch when being connected with the second connecting hole, part of the boss is arched along the axial direction of the annular body to form a convex part with a U-shaped section, the first connecting hole is arranged on the convex part, a convex column is arranged on one side of the mounting hole on the mounting part, the second connecting hole is arranged on the convex column, and the convex column can be accommodated in the convex part. The convex column enables the first connecting hole to have enough thread fixing stroke so as to adapt to the thread pitch of the screw.

In order to guarantee the firm in connection nature of snap ring and installation department, first connecting hole has at least two and sets up along the circumference interval of ring bodies, the second connecting hole has at least two and sets up along the circumference interval of mounting hole. Therefore, the snap ring is connected with the mounting part in multiple points, and the connection firmness is good.

In order to enable the pipe body to stably penetrate through the annular body, the pipe body is a corrugated pipe, at least two ribs are arranged on the inner wall surface of the annular body at intervals along the axial direction of the annular body, each rib extends along the circumferential direction of the annular body, the at least two ribs form a corrugated structure, and the pipe body is meshed with the corrugated structure in a state that the annular body is sleeved on the pipe body. The pipe body and the annular body are meshed, so that the pipe body and the annular body can be positioned, and axial displacement between the pipe body and the annular body is prevented.

The household appliance can be a washing machine, a water heater and the like, the pipe body can be a pipe body through which water flow or air flow can flow, in the scheme, the household appliance is a cleaning machine, and the pipe body is a drain pipe.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the first connecting hole is formed in the boss of the clamping ring, the household appliance and the clamping ring can be connected together by the connecting piece penetrating through the first connecting hole, and the connecting piece can firmly install the clamping ring and the household appliance together in a mode of being positioned relative to the elastic sheet, so that the installation stability of the pipe body on the household appliance is realized, the pulling-off force of the pipe body when water flows through the pipe body can be borne, and the pipe body is prevented from displacing relative to the household appliance.

Drawings

Fig. 1 is a schematic structural view of a snap ring according to embodiment 1 of the present invention (two half shells are not joined);

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

fig. 3 is a schematic structural view of the snap ring of embodiment 1 of the present invention (the two half shells are joined together);

FIG. 4 is a schematic view of the structure of FIG. 3 in another direction;

fig. 5 is a schematic structural view of a pipe body inserted into the snap ring of fig. 3;

FIG. 6 is a schematic view of the structure of FIG. 5 mounted on a chassis;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is an exploded view of the tube of FIG. 6 with the tube removed;

FIG. 9 is an enlarged view at C of FIG. 8;

FIG. 10 is a schematic structural view of a snap ring according to embodiment 2 of the present invention (two half shells are not joined together);

fig. 11 is a schematic structural view of a snap ring according to embodiment 2 of the present invention (two half shells are joined together).

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

Example 1

As shown in fig. 1 to 9, the household appliance of the preferred embodiment includes an installation portion, a pipe body 1, a connecting member 2 and a snap ring a, the household appliance may be a washing machine, a water heater, a sweeper, etc., the pipe body 1 may be a pipe body 1 through which water or air flows, such as a water inlet pipe, a water drain pipe, an air inlet pipe, etc., the installation portion may be a bottom plate, a top wall or a side wall of the household appliance, in this embodiment, the household appliance is a cleaning machine capable of cleaning tableware or vegetables, the pipe body 1 is a water drain pipe, and the installation portion is a bottom plate 3.

As shown in fig. 1 to 5, the snap ring a is used for mounting the pipe body 1 on the cleaning machine, the snap ring a includes an annular body 4, the annular body 4 can be sleeved on the pipe body 1, in order to allow the annular body 4 to be stably sleeved on the pipe body 1, the pipe body 1 is a corrugated pipe, at least two ribs 411 are arranged on the inner wall surface of the annular body 4 at intervals along the axial direction thereof, each rib 411 extends along the circumferential direction of the annular body 4, and at least two ribs 411 form a corrugated structure 41. In a state where the annular body 4 is fitted over the pipe body 1, the pipe body 1 is engaged with the corrugated structure 41. The pipe body 1 and the annular body 4 are meshed, so that the positioning effect of the pipe body and the annular body can be realized, and the axial displacement between the pipe body and the annular body is prevented.

As shown in fig. 6 to 9, the chassis 3 is provided with a mounting hole 31, and the ring body 4 can be inserted into the mounting hole 31. The outer peripheral wall of the annular body 4 is formed with a boss 42 extending radially outward, in this embodiment, the boss 42 is formed at the end of the annular body 4, but the boss 42 may also be located at the middle of the annular body 4, and the boss 42 may also be annular, or may also be block-shaped. The boss 42 is provided with a first connection hole 421, and the first connection hole 421 penetrates through the wall thickness of the boss 42. In this embodiment, the first connection hole 421 is opened at the edge of the boss 42, that is, the first connection hole 421 is a notch, and of course, the first connection hole 421 may also be opened at a position of the boss 42 far from the edge thereof, that is, the first connection hole 421 is a through hole.

The chassis 3 is provided with a second connection hole 32 on the side of the mounting hole 31, and the second connection hole 32 corresponds to the first connection hole 421 in a state where the ring body 4 is inserted into the mounting hole 31.

The connecting piece 2 can have various structural forms, for example, the first connecting hole and the second connecting hole are threaded holes, and the connecting piece 2 is a screw rod. In this embodiment, the connecting member 2 is a screw, a screw rod of the screw is the connecting rod 21, the second connecting hole 32 is a threaded hole, the screw rod of the screw passes through the first connecting hole 421 and is in threaded connection with the second connecting hole 32, and in a state that the screw rod is in threaded connection with the second connecting hole 32, the boss 42 is pressed between the chassis 3 and the head 22 of the screw, so that the connecting rod 21 is inserted into and positioned relative to the first connecting hole 421 and the second connecting hole 32.

As shown in fig. 9, a part of the boss 42 is arched along the axial direction of the annular body 4 to form a protrusion 422 with a U-shaped cross section, the first connection hole 421 is provided on the protrusion 422, the boss 33 is provided on one side of the mounting hole 31 on the chassis 3, the second connection hole 32 is provided on the boss 33, and the boss 33 can be accommodated in the protrusion 422. The convex column 33 enables the first connection hole 421 to have enough thread fixing stroke to adapt to the thread pitch of the screw, so as to firmly connect the snap ring a and the chassis 3.

In this embodiment, the first connection holes 421 are two and spaced apart along the circumference of the ring body 4, and the second connection holes 32 are two and spaced apart along the circumference of the mounting holes 31. Therefore, the snap ring A is connected with the chassis 3 in multiple points, and the connection firmness is good. Of course, the number of the first connection holes 421 and the second connection holes 32 is not limited to two, and may be one or more than two.

As shown in fig. 1 to 4, in order to insert the pipe body 1 into the annular body 4, the annular body 4 is formed by joining two half shells 43 having circular arc-shaped cross sections, and the two half shells 43 are detachably connected to each other. In this embodiment, each half shell 43 has two end walls spaced apart along the circumferential direction thereof, the two end walls are a first end wall 431 and a second end wall 432, the first end walls 431 of the two half shells 43 are connected by a bendable connecting strip 5, the connecting strip 5 may be a thin-walled structure made of plastic, and the second end walls 432 of the two half shells 43 can be close to or far away from each other.

The second end walls 432 of the two half shells 43 may not be connected, even not in contact, and the ring body 4 may be constrained in the mounting hole 31 of the chassis 3 to align the two half shells 43, but in order to ensure the firmness of the installation of the pipe body 1 in the snap ring a, the second end walls 432 of the two half shells 43 of the present embodiment are detachably connected by a snap assembly. This prevents the inner diameter of the annular body 4 formed by the joining of the two half shells 43 from becoming large due to play, and prevents the pipe body 1 from being loosely held.

The buckle assembly includes a buckle 433 and a buckle hole 434, which can be buckled with each other, the buckle 433 is disposed at the second end wall 432 of one of the half shells 43, and the buckle hole 434 is opened at the second end wall 432 of the other half shell 43. In this way, the connecting strip 5 is bent, and the buckle 433 is fastened in the buckle hole 434, so that the two half shells 43 are butted.

Thus, the pipe body 1 can be placed on one half shell 43, and then the two half shells 43 are connected through the buckle assembly, so that the two half shells 43 are combined; in a single piece with respect to the annular body 4, it is convenient to insert the tubular body 1 in the annular body 4.

In the present embodiment, the corrugated structures 41 are provided on the inner wall surfaces of the two half shells 43, but it is needless to say that the corrugated structures 41 may be formed only on one of the half shells 43; bosses 42 are formed at the end parts of the two half shells 43, and when the two half shells 43 are matched, the bosses 42 are annular; in addition, since the clip assembly and the connecting bar 5 are protruded from the outer peripheral wall of the annular body 4 in a state where the two half shells 43 are aligned, two escape openings 311 for escaping the clip assembly and the connecting bar 5 are provided at the edge of the mounting hole 31 of the chassis.

The installation process of the pipe body 1 of the present embodiment is as follows: the tubular body 1 is first placed on one of the half-shells 43 and the tubular body 1 is engaged with the corrugated structure 41 of the half-shell 43; then, the two half shells 43 are closed, so that the pipe body 1 is wrapped by the clamping ring A; the annular body 41 is inserted into the mounting hole 31 of the chassis 3, the convex column 33 is accommodated in the convex part 422, the convex part 42 is abutted against the chassis 3, and then the chassis 3 is connected with the snap ring A through the connecting piece 2.

Example 2

As shown in fig. 10 and 11, embodiment 2 differs from embodiment 1 in that: in the embodiment, a fastening assembly is not disposed between the second end walls 432 of the two half shells 43, in the second end wall 432 of one of the half shells 43, a fastening protrusion 435 is disposed on the second end wall 432 of the other half shell 43, and a fastening groove 436 for fastening the fastening protrusion 435 therein is disposed on the second end wall 432 of the other half shell 43. The engagement of the locking projections 435 and the locking grooves 436 prevents the two half shells 43 from being displaced in the axial direction.

Claims (15)

1. A snap ring for mounting a tube body (1) on a household appliance, comprising an annular body (4) for sleeving the tube body (1), a boss (42) extending radially outwards being formed on the peripheral wall of the annular body (4), characterized in that: the boss (42) is provided with a first connecting hole (421) through which a connecting piece for mounting the pipe body on the household appliance can pass and be positioned, and the first connecting hole (421) penetrates through the wall thickness of the boss (42).

2. A clasp according to claim 1, wherein: the first connecting hole (421) is arranged at the edge of the boss (42).

3. A clasp according to claim 1, wherein: the annular body (4) is formed by combining two half shells (43) with circular arc-shaped cross sections, and the two half shells (43) can be detachably connected.

4. A clasp according to claim 3, wherein: each half shell (43) is provided with two end walls arranged at intervals along the circumferential direction of the half shell, the two end walls are respectively a first end wall (431) and a second end wall (432), the first end walls (431) of the two half shells (43) are connected through a bendable connecting strip (5), and the second end walls (432) of the two half shells (43) can be close to or far away from each other.

5. A clasp according to claim 4, wherein: the second end walls (432) of the two half-shells (43) are detachably connected.

6. A clasp according to claim 5, wherein: two second end wall (432) of half shell (43) link to each other through the buckle subassembly, the buckle subassembly includes buckle (433) and knot hole (434) that can lock each other, second end wall (432) department of one of half shell (43) is located in buckle (433), detain hole (434) and set up in second end wall (432) department of another half shell (43).

7. A clasp according to claim 4, wherein: a clamping protrusion (435) is arranged on the second end wall (432) of one half shell (43), and a clamping groove (436) for correspondingly clamping the clamping protrusion (435) in is arranged on the second end wall (432) of the other half shell (43).

8. A clasp according to any one of claims 1 to 7, wherein: the part of the boss (42) is arched along the axial direction of the annular body (4) to form a convex part (422) with a U-shaped section, and the first connecting hole (421) is arranged on the convex part (422).

9. A clasp according to any one of claims 1 to 7, wherein: at least two ribs (411) are arranged on the inner wall surface of the annular body (4) at intervals along the axial direction of the annular body, each rib (411) extends along the circumferential direction of the annular body (4), and at least two ribs (411) form a corrugated structure (41).

10. A household appliance, characterized by: including installation department, body (1), connecting piece (2) and any claim in claims 1 ~ 7 snap ring, seted up mounting hole (31) and second connecting hole (32) that are located mounting hole (31) one side on the installation department, ring body (4) can the cartridge in mounting hole (31), second connecting hole (32) can correspond with first connecting hole (421), connecting piece (2) include connecting rod (21), connecting rod (21) can wear to establish in first connecting hole (421) and second connecting hole (32) and fix a position relative to the two.

11. A household appliance as claimed in claim 10, characterized in that: the connecting piece (2) is a screw, the connecting rod (21) is a screw rod of the screw, the second connecting hole (32) is a threaded hole, the screw rod of the screw penetrates through the first connecting hole (421) and is in threaded connection with the second connecting hole (32), and the boss (42) is extruded between the mounting part and the head part (22) of the screw in the state that the screw rod is in threaded connection with the second connecting hole (32).

12. The household appliance according to claim 11, wherein: the part of the boss (42) is arched along the axial direction of the annular body (4) to form a convex part (422) with a U-shaped section, the first connecting hole (421) is formed in the convex part (422), a convex column (33) is arranged on one side of the mounting hole (31) on the mounting part, the second connecting hole (32) is formed in the convex column (33), and the convex column (33) can be accommodated in the convex part (422).

13. The household appliance according to claim 10, wherein: the first connecting holes (421) are at least two and are arranged at intervals along the circumferential direction of the annular body (4), and the second connecting holes (32) are at least two and are arranged at intervals along the circumferential direction of the mounting holes (31).

14. The household appliance according to claim 10, wherein: the pipe body (1) is a corrugated pipe, at least two ribs (411) are arranged on the inner wall surface of the annular body (4) at intervals along the axial direction of the annular body, each rib (411) extends along the circumferential direction of the annular body (4), at least two ribs (411) form a corrugated structure (41), and the pipe body (1) is meshed with the corrugated structure (41) in the state that the annular body (4) is sleeved on the pipe body (1).

15. The household appliance according to claim 10, wherein: the household appliance is a cleaning machine, the pipe body (1) is a drain pipe, and the mounting part is a chassis (3).

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