WO2018040934A1

WO2018040934A1 - Heating tube bracket of drum washing machine, and drum washing machine

Info

Publication number: WO2018040934A1
Application number: PCT/CN2017/097880
Authority: WO
Inventors: 龚熙战; 蒋玉亮
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2016-08-31
Filing date: 2017-08-17
Publication date: 2018-03-08
Also published as: CN107780162A; CN107780162B

Abstract

Disclosed are a heating tube bracket (3) of a drum washing machine, and a drum washing machine. The heating tube bracket (3) comprises a positioning part (1) mounted at an outer drum of a washing machine and a clamping part (2) connected to a heating tube (7), wherein the clamping part (2) and the positioning part (1) are provided from top to bottom; and the positioning part (1) comprises a first positioning section (101) and a second positioning section (102) provided opposite each other on the left and right sides, and a third positioning section (103) provided between the first positioning section (101) and the second positioning section (102), the plane in which the first positioning section (101) and the second positioning section (102) are located being at an inclined angle to the plane in which the third positioning section (103) is located. The present invention solves the problem of the position of the heating tube (7) changing after a long time running due to the strength of the heating tube bracket (3) being insufficient. The present invention utilizes a certain elastic deformation of the heating tube bracket (3) to offset the amount of shaking deformation of the heating tube bracket (3) and keep the position of the heating tube (7) unchanged, thereby improving the usage safety of the heating tube (7).

Description

Heating tube bracket and drum washing machine for drum washing machine

Technical field

The invention relates to the field of washing machines, in particular to a heating tube bracket and a drum washing machine of a drum washing machine.

Background technique

The heating tube of most drum washing machines is installed between the inner and outer cylinders, and the heating tube is fixed on the outer cylinder by the heating tube bracket. Since the heating tube bracket needs to support the heating tube to complete the purpose of heating during washing, the strength of the heating tube bracket is high expectation. If the strength of the heating tube bracket is insufficient, not only will the vibration and wear of the heating tube be increased, but the risk of leakage of the heating tube will also be caused, and the drum washing machine will generate noise during washing and dehydration.

For example, the Chinese Patent Application No. CN201120308356.3 discloses a "connection sealing structure for fixing an electric heating tube to a washing machine"; the connection sealing structure comprises an electric heating tube and a washing machine box, and the electric heating tube comprises a heating tube, which is sequentially disposed in the An outer flange, a gasket and an inner flange on the heating pipe, and a locking mechanism, the locking mechanism comprises a threaded column and a nut, and the washing machine box is provided with an electric heating pipe mounting hole, the side surface of the sealing pad and the electric heating pipe mounting hole The hole wall seals are abutted together, the threaded column is riveted together with the inner flange, and the outer flange is riveted together with the heat pipe.

The heating tube bracket of the above invention is fixed on the outer cylinder of the washing machine by screws. Meanwhile, in the prior art, the heating tube bracket is fixed on the outer cylinder of the washing machine by screws to support the heating tube. The use of a screw connection will have an effect on the strength of the outer cylinder, which may adversely affect the production assembly of the drum washing machine.

In view of this, the present invention has been made.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a heating tube bracket and a drum washing machine for a drum washing machine, which mainly utilize the first positioning section and the second positioning section in the positioning portion of the heating tube bracket. The plane has an angle with the plane of the third positioning section, and the heating tube brackets respectively cooperate with the receiving groove and the end of the second barrel to form a limit mounting mechanism of the heating tube bracket. Avoid setting the screw hole on the outer cylinder to the outer cylinder strength, and the installation is simple, saving the time for screwing.

In order to achieve the object, according to an aspect of the present invention, the present invention adopts the following technical solution: a heating tube bracket of a drum washing machine, comprising a positioning portion installed in an outer cylinder of the washing machine and a clamping portion connecting the heating tubes, the clamping And the positioning portion is disposed from top to bottom, and the positioning portion includes a first positioning segment disposed opposite to the left and right sides, a second positioning segment, and a third positioning disposed between the first positioning segment and the second positioning segment The segment has an angle between a plane where the first positioning segment and the second positioning segment are located and a plane where the third positioning segment is located.

Further, the positioning portion has a U-shaped frame structure as a whole, and the third positioning segment has an elastic supporting structure that is inclined downward along the extending direction of the first positioning segment and the second positioning segment;

Preferably, the elastic support structure is a U-shaped or V-shaped frame structure;

More preferably, the angle between the elastic support structure and the plane of the first positioning segment and the second positioning segment is between 3 ° C and 45 ° C.

Further, the clamping portion includes a clamping frame and a support frame for connecting the positioning portion and the clamping frame;

Preferably, the support frame includes a first support segment and a second support segment disposed opposite to each other on the left and right sides, the first support segment is coupled to the first positioning segment and extends along the inner side of the positioning portion; the second support segment and the second support segment The two positioning segments are connected and extend along the inner side of the positioning portion;

More preferably, the support frame further includes a third support segment and a fourth support segment disposed opposite to each other on the left and right sides, the third support segment being connected to the first support segment and along the first support segment and the second support segment The extending direction is inclined upward; the fourth supporting section is connected to the second supporting section and inclined upward along the extending direction of the first supporting section and the second supporting section.

Further, the clamping frame includes a first clamping section and a second clamping section disposed opposite to each other on the left and right sides; the first clamping segment is connected with the third supporting segment, and the second clamping segment is Four support segments are connected;

Preferably, the first clamping segment comprises a first segment, a second segment and a third segment connecting the first segment and the second segment, wherein the first segment and the second segment are straight segments, and the third segment It is a circular arc segment, and the two ends of the third segment are smoothly transitioned to the first segment and the second segment respectively;

And, the second clamping segment includes a fourth segment, a fifth segment, and a sixth segment connecting the fourth segment and the fifth segment, wherein the fourth segment and the fifth segment are straight segments, and the sixth segment is an arc The segment, and the two ends of the sixth segment smoothly transition to the fourth segment and the fifth segment respectively.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

1. The heating tube bracket of the drum washing machine of the present invention solves the problem that when the strength of the heating tube bracket is insufficient, long-term After the operation, the position of the heating pipe may change. In the present invention, the positioning of the heating pipe bracket in the axial direction, the circumferential direction and the vertical direction is used to complete the heating pipe bracket. The limit position allows the heating tube bracket to have a certain elastic deformation, offset the sway deformation of the heating tube bracket, and maintain the position of the heating tube without changing, thereby improving the safety of the heating tube.

2. The heating tube bracket of the drum washing machine of the present invention solves the problem that the burr is improperly treated due to the process of the heating tube. In the present invention, the heating tube bracket is stamped and formed by a stainless steel plate, thereby preventing the washing machine from being heated after long-term use. The residual wire scraping of the clothes on the pipe bracket ensures safe operation.

3. The end portion of the third positioning section of the heating tube bracket of the drum washing machine of the present invention cooperates with the first limiting portion disposed at the end of the second barrel body to further realize the axial direction of the heating tube holder. The limit is installed, and the strength of the support frame can be strengthened, the shaking of the clamping portion in the heating pipe bracket in the axial direction is reduced, the strength of the heating pipe bracket is improved, and the operation safety of the heating pipe is ensured.

In order to achieve the object of the present invention, the present invention adopts the following technical solution: a drum washing machine comprising an outer cylinder, a bottom of the outer cylinder is provided with a mounting groove, a heating tube is arranged in the mounting groove, and the outer cylinder is provided by the first cylinder And the second cylindrical body end flange is sealed and connected. The corresponding inner groove of the first cylindrical body is provided with an receiving groove having an inlet in the axial direction near the end portion, and the heating pipe bracket is installed in the receiving portion. In the groove, the receiving groove cooperates with the end of the second barrel to form a limit mounting mechanism of the heating tube bracket.

Further, the two sidewalls of the accommodating recess further comprise sliding rails disposed opposite to each other on the left and right sides, and the cross section of the sliding rail is inverted "L";

Wherein the sliding rail cooperates with the first positioning section and the second positioning section of the positioning portion to form a circumferential limit mounting mechanism of the heating tube bracket;

The bottom of the accommodating recess and the third positioning section abut against each other to form a radial limit mounting mechanism of the heating tube bracket.

Further, a second limiting portion is disposed at an end of the receiving groove in the axial direction, and the second limiting portion is a stopper structure;

Wherein, the front and rear ends of the heating pipe bracket cooperate with the second limiting portion and the second cylindrical end portion respectively to form an axial limit mounting mechanism of the heating pipe bracket.

Further, a bottom surface of the inlet end of the accommodating groove is provided with a smooth transition surface;

Preferably, the inclined surface has an inclination angle of 1 ° C to 5 ° C.

Further, the second barrel end portion is provided with a first limiting portion, the first limiting portion and the heating tube branch Frame fit

Preferably, the first limiting portion is a limiting bump structure;

More preferably, the first limiting portion cooperates with the end of the third positioning segment.

Further, the second barrel end portion further includes a third limiting portion and a fourth limiting portion that are oppositely disposed on the left and right sides, and the third limiting portion and the fourth limiting portion respectively cooperate with the sliding rail;

Preferably, the third limiting portion, the fourth limiting portion and the first limiting portion are of a unitary structure.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art;

1. The drum washing machine of the present invention solves the problem that the heating tube bracket is inconvenient to be installed. In the present invention, the heating tube bracket is directly inserted into the receiving groove to realize the installation of the heating tube bracket and the outer tube, and no screw fixing is needed to avoid The effect of the screw hole on the outer cylinder on the strength of the outer cylinder is simple, and the time for screwing is saved.

2. The drum washing machine of the present invention solves the problem of installation and cooperation of the heating tube bracket. In the present invention, the first cylinder body and the second cylinder body are assembled and installed, and the heating tube bracket is mounted on the first cylinder body. In the accommodating recess, the accommodating recess cooperates with the end of the second cylinder to form a limit mounting mechanism of the heating tube bracket, thereby realizing the fastening and clamping of the heating tube bracket, and ensuring that the heating tube bracket does not change position. In turn, the use of the heating pipe is ensured.

3. The drum washing machine of the present invention solves the problem that when the strength of the heating pipe bracket is insufficient and the position of the heating pipe changes after a long time of operation, the present invention utilizes the cooperation of the heating pipe bracket and the receiving groove, mainly The first positioning section and the second positioning section of the positioning portion are matched with the sliding rail, and are constrained in the sliding rail of the receiving groove to form a circumferential limiting mounting mechanism of the heating tube bracket; the third positioning The segment abuts against the bottom of the receiving groove to form a radial limiting mounting mechanism of the heating pipe bracket; and the third positioning segment can generate a pressing force with the bottom of the receiving groove to strengthen and fix The role of the heating tube bracket is prevented from falling off.

DRAWINGS

Figure 1 is a structural view of the heating tube holder in the embodiment of the present invention;

Figure 2 is a diagram showing the installation structure of the drum washing machine in the embodiment of the present invention;

Figure 3 is a second structural view of the drum of the drum washing machine in the embodiment of the present invention;

Figure 4 is an assembled view of the drum washing machine in the embodiment of the present invention;

Wherein, 1, a positioning part, 101, a first positioning section, 102, a second positioning section, 103, a third positioning section, 104, fourth positioning section, 105, fifth positioning section, 2, clamping part, 210, support frame, 211, first support section, 212, second support section, 213, third support section, 214, fourth Supporting section, 220, clamping frame, 221, first clamping section, 2211, first section, 2212, second section, 2213, third section, 222, second clamping section, 2221, fourth section, 2222 , fifth paragraph, 2223, sixth paragraph, 3, heating tube bracket, 4, mounting groove, 5, first cylinder, 510, receiving groove, 511, slide rail, 512, second limit, 520 , front flange, 521, limit ribs, 6, second cylinder, 610, first limit, 620, rear flange, 621, limit groove, 7, heating tube.

detailed description

The present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Embodiment 1

As shown in FIG. 1 to FIG. 4, the present invention provides a heating tube holder 3 for a drum washing machine, comprising a positioning portion 1 mounted on an outer cylinder of the washing machine and a clamping portion 2 connecting the heating tubes 7, the clamping portion 2 and The positioning portion 1 is disposed from the top to the bottom, and the positioning portion 1 includes a first positioning segment 101 and a second positioning segment 102 disposed opposite to each other on the left and right sides, and is disposed between the first positioning segment 101 and the second positioning segment 102. The third positioning segment 103 has an angle between the plane where the first positioning segment 101 and the second positioning segment 102 are located and the plane where the third positioning segment 103 is located.

Preferably, the clamping portion 2 and the positioning portion 1 are disposed from top to bottom, and the side surface is in an "S" shape.

Further, the positioning portion 1 has a U-shaped frame structure as a whole, and the third positioning portion 103 has an elastic supporting structure that is inclined downward along the extending direction of the first positioning segment 101 and the second positioning segment 102;

More preferably, the angle between the elastic support structure and the plane of the first positioning section 101 and the second positioning section 102 is between 3 ° C and 45 ° C.

Specifically, the angle between the plane where the first positioning segment 101 and the second positioning segment 102 are located and the plane where the third positioning segment 103 is located is between 3 ° C and 45 ° C, and the first positioning segment 101 and the second The positioning section 102 and the third positioning section 103 have a "V" shape on the side. The positioning portion 1 can effectively achieve the limit installation in the circumferential direction and the vertical direction.

Moreover, the first positioning section 101 and the second positioning section 102 of the positioning portion 1 cooperate with the sliding rail 511 to realize the limitation in the circumferential direction of the heating tube bracket 3, and the third positioning section 103 and the receiving groove The bottom of the 510 is abutted to achieve a limit in the vertical direction of the heating tube holder 3. Improved the matching of the heating tube holder 3 and the drum washing machine And, the heating tube holder 3 can have a certain elastic deformation, can overcome the installation error in the vertical direction caused by the installation of the heating tube 7, or the heating tube holder 3 and the heating tube 7 cannot be caused by the manufacturing error of the heating tube holder 3. Corresponding to the problem of cooperation, it is also possible to avoid the vibration of the washing machine if the rigid heating tube bracket 3 will damage the heating tube 7, and also avoid the size of the heating tube holder 3 and the receiving groove 510 when the washing machine vibrates. The positioning portion 1 of the heating tube holder 3 is swayed in the vertical direction in the accommodating recess 510, thereby causing damage to the heating tube 7.

The positioning portion 1 further includes a fourth positioning segment 104 and a fifth positioning segment 105 disposed opposite to each other on the left and right sides;

The two ends of the fourth positioning segment 104 are respectively connected to the first positioning segment 101 and the third positioning segment 103; the two ends of the fifth positioning segment 105 are respectively connected to the second positioning segment 102 and the third positioning segment 103;

Preferably, the first positioning segment 101, the second positioning segment 102, the fourth positioning segment 104, and the fifth positioning segment 105 are on the same plane;

More preferably, the fourth positioning section 104 and the fifth positioning section 105 are respectively a straight line segment or a circular arc segment; and the two ends of the fourth positioning segment 104 are smoothly transitioned to the first positioning segment 101 and the third respectively. The positioning section 103 has two rounded transitions to the second positioning section 102 and the third positioning section 103.

Specifically, the fourth positioning section 104 and the fifth positioning section 105 of the positioning portion 1 further limit the position of the heating tube bracket 3 in the axial direction, and at the same time, the fourth positioning section 104 and the fifth positioning section The engagement with the second limiting portion 512 further improves the degree of cooperation between the positioning portion 1 and the receiving recess 510, thereby ensuring the safety of the heating tube 7.

Moreover, the third positioning section 103 is a U-shaped structure or a V-shaped structure, and the second opening of the U-shaped structure or the third opening of the V-shaped structure is opposite to the first opening of the U-shaped frame structure.

The second opening or the third opening of the third positioning section 103 is connected to the fourth positioning section 104 or the fifth positioning section 105 and is in the same horizontal plane as the fourth positioning section 104 or the fifth positioning section 105.

Specifically, the third positioning segment 103 mainly achieves the positioning of the closed end, and the closed end can also cooperate with the first limiting portion 610 to achieve the axial direction and the vertical direction of the third positioning segment 103. Installation location. Furthermore, the mounting position of the heating pipe holder 3 in the axial direction and the vertical direction is achieved.

Moreover, the second opening of the U-shaped structure or the third opening of the V-shaped structure can adjust the matching pitch of the heating tube bracket 3 and the outer cylinder, and is mainly capable of generating elasticity and being convenient for installation.

In summary, in the embodiment, the positioning portion 1 passes through the axial direction and the circumferential direction of the heating tube holder 3. The positioning of the heating pipe bracket 3 can be achieved in all directions. For example, the positioning portion 1 of the embodiment can solve the problem that when the strength of the heating pipe bracket 3 is insufficient, after a long time operation, The position of the heating pipe 7 changes, causing the heating pipe 7 to vibrate, and there is a risk of friction with the inner drum of the drum washing machine, thereby causing the heating pipe 7 to wear, causing the risk of electric leakage, fire, etc., and also causing the drum washing machine to be washed and dehydrated. Noise and other issues. Moreover, the third positioning section 103 can generate a pressing force with the bottom of the accommodating recess 510 to strengthen the fixing, thereby preventing the heating tube bracket 3 from coming off.

The clamping portion 2 includes a clamping frame 220 and a support frame 210 for connecting the positioning portion 1 and the clamping frame 220;

Preferably, the support frame 210 includes a first support segment 211 and a second support segment 212 disposed opposite to each other on the left and right sides, and the first support segment 211 is coupled to the first positioning segment 101 and extends along the inner side of the positioning portion 1; The second support section 212 is coupled to the second positioning section 102 and extends along the inner side of the positioning portion 1.

At the same time, the first support section 211 and the second support section 212 are on the same horizontal line as the opening;

The lengths of the first support section 211 and the second support section 212 are equal, and the length of the first support section 211 and the length of the second support section 212 are respectively 1/10 - 1/5 of the length of the first opening.

Specifically, the first support section 211 and the second support section 212 respectively engage with the end of the second cylinder 6 to further limit the axial direction of the heating tube bracket 3, and can also strengthen the support frame 210. The strength reduces the sway of the clamping portion 2 in the heating tube holder 3 in the axial direction, improves the strength of the heating tube holder 3, and ensures the safe operation of the heating tube 7.

Further, the support frame 210 further includes a third support segment 213 and a fourth support segment 214 disposed opposite to each other on the left and right sides. The third support segment 213 is connected to the first support segment 211 and along the first support segment 211. The second supporting section 212 is inclined upwardly. The fourth supporting section 214 is connected to the second supporting section 212 and inclined upward along the extending direction of the first supporting section 211 and the second supporting section 212.

Preferably, the third support segment 213 and the fourth support segment 214 are respectively straight segments or arc segments;

More preferably, the two ends of the third supporting section 213 are smoothly transitioned to the first supporting section 211 and the clamping frame 220 respectively; the two ends of the fourth supporting section 214 are smoothly transitioned to the second supporting section 212 and the clamping frame respectively. 220.

Further, the clamping frame 220 includes a first clamping section 221 and a second clamping section 222 disposed opposite to each other on the left and right sides; the first clamping section 221 is connected to the third supporting section 213, the second The clamping section 222 is connected to the fourth supporting section 214;

Preferably, the first clamping segment 221 includes a first segment 2211, a second segment 2212, and a first segment 2211. The third segment 2213 of the second segment 2212, the first segment 2211 and the second segment 2212 are straight segments, the third segment 2213 is a circular arc segment, and the third segment 2213 is smoothly transitioned to the first segment 2211, the second paragraph 2212;

Moreover, the second clamping section 222 includes a fourth section 2221, a fifth section 2222, and a sixth section 2223 connecting the fourth section 2221 and the fifth section 2222. The fourth section 2221 and the fifth section 2222 are straight segments. The sixth segment 2223 is a circular arc segment, and the two ends of the sixth segment 2223 are smoothly transitioned to the fourth segment 2221 and the fifth segment 2222 respectively.

Specifically, the first clamping section 221 and the second clamping section 222 respectively cooperate with the heating tube 7 to ensure that the heating tube 7 can be stably clamped in the clamping portion 2, and the clamping portion 2 and the heating tube 7 are avoided. Relative movement between. Friction between the heating pipe 7 and the nip portion 2 is avoided, causing the heating pipe 7 to wear, causing problems such as leakage, fire, and the like.

Moreover, the circular arc of the third segment 2213 and the sixth segment 2223 cooperate with the curvature of the heating tube 7.

Preferably, the first segment 2211 and the fourth segment 2221 are obliquely disposed and form a bowl-like structure;

More preferably, the free end of the second section 2212 and the free end of the fifth section 2222 respectively extend inward, and the second section 2212 and the fifth section 2222 are on the same horizontal line;

More preferably, the free end of the second section 2212 and the free end of the fifth section 2222 may coincide, or the free end of the second section 2212 and the free end of the fifth section 2222 may not coincide.

More preferably, the outermost circumferences of the arc segments of the third segment 2213 and the sixth segment 2223 are in the same plane as the first positioning segment 101 and the second positioning segment 102 of the positioning portion 1, respectively.

Further, the holder 220 and the support frame 210 are in the same plane; or, the plane of the holder 220 and the plane of the support frame 210 have an angle.

Further, the heating tube holder 3 of the embodiment is simultaneously stamped and formed by using a stainless steel plate, thereby avoiding the presence of burrs due to improper processing of the heating tube 7, and also causing the washing machine to hang on the heating tube holder 3 after long-term use. There is a safety hazard in the residual thread of the clothing.

In summary, the heating tube holder 3 of the drum washing machine of the embodiment has the following advantages:

1. The heating tube bracket 3 of the drum washing machine of the embodiment solves the problem that the position of the heating tube 7 changes when the strength of the heating tube holder 3 is insufficient, and the position of the heating tube 7 changes in the present embodiment. The axial direction, the circumferential direction and the vertical direction of the heating pipe bracket 3 are installed, so that the all-round limitation of the heating pipe bracket 3 can be realized, so that the heating pipe bracket 3 can have a certain elastic deformation and offset the heating pipe. The amount of sway deformation of the holder 3 does not change the position of the heating tube 7, and the use of the heating tube 7 is improved.

2. The heating tube bracket 3 of the drum washing machine of the embodiment solves the problem that the burr is improperly treated due to the process of the heating tube 7. In the embodiment, the heating tube holder 3 is formed by stamping a stainless steel plate, thereby preventing the washing machine from being After long-term use, the residual wire scrap of the clothes is hung on the heating pipe bracket 3 to ensure safe operation.

3. The end of the third positioning section 103 of the heating tube bracket 3 of the drum washing machine of the embodiment is matched with the first limiting part 610 provided at the end of the second cylinder 6, thereby further realizing the heating tube bracket. 3 is installed in the axial direction, and can also strengthen the strength of the support frame 210, reduce the shaking of the clamping portion 2 in the heating tube bracket 3 in the axial direction, improve the strength of the heating tube holder 3, and ensure the heating tube 7 is safe to run.

Embodiment 2

The difference between the embodiment and the above embodiment is that the heating tube holder 3 of the drum washing machine further includes a second clamping portion 2, and the second clamping portion 2 is disposed in parallel with the clamping portion 2;

Alternatively, the heating tube holder 3 of the drum washing machine further includes a second positioning portion 1 and a second clamping portion 2, the second positioning portion 1 being disposed in parallel with the positioning portion 1, the second clamping portion 2 and The clamping portions 2 are arranged in parallel.

Specifically, the heating tube holder 3 can achieve the strength of the holding portion 2 of the heating tube holder 3, and avoids the problem that the position of the heating tube 7 changes when the strength of the heating tube holder 3 is insufficient. The operation of the heating pipe 7 is ensured.

Embodiment 3

As shown in FIG. 2 to FIG. 4, the present invention provides a drum washing machine. The bottom of the outer tube of the drum washing machine is provided with a mounting groove 4 along the axial direction of the outer tube, and the heating tube 7 is disposed in the mounting groove 4, and the heating tube is provided. One end of the fixing pipe 7 is fixed to one end of the mounting groove 4, and the other end of the heating pipe 7 is supported by the heating pipe holder 3. Preferably, the rear end of the heating pipe 7 is fixed to the second cylinder 6 at the bottom of the outer cylinder, and the heating pipe bracket 3 is mounted on the first cylinder 5 at the bottom of the outer cylinder, and the front end of the heating pipe 7 is prevented from being suspended by the heating pipe holder 3.

The outer cylinder is composed of a flange joint of the first cylinder body 5 and the end of the second cylinder body 6. The interior of the corresponding installation groove 4 of the first cylinder body 5 is provided with an inlet capacity in the axial direction near the end portion. The groove 510 is disposed, and the heating tube holder 3 is installed in the accommodating groove 510, and the accommodating groove 510 and the end of the second barrel 6 cooperate to form a limit mounting mechanism of the heating tube holder 3.

Specifically, the bottom surface of the first cylindrical body 5 is provided with an receiving groove having an inlet in the axial direction near the end portion. 510, the inlet is located at one end of the accommodating groove 510 in the axial direction toward the end of the mounting groove 4. The positioning portion 1 of the heating tube holder 3 is inserted into the accommodating groove 510 by the inlet to realize the heating tube holder 3. The mounting portion 2 surrounds the heating tube 7 to support the heating tube 7. In the invention, the heating pipe bracket 3 is directly inserted into the accommodating recess 510 to realize the installation of the heating pipe bracket 3 and the outer cylinder, and no screw fixing is needed, thereby avoiding the influence of the screw hole on the outer cylinder to the outer cylinder strength, and the installation is simple, and the screw is saved. time.

Further, the two side walls of the accommodating recess 510 further include a sliding rail 511 disposed opposite to the left and right sides, and the sliding rail 511 has an inverted "L" shape;

The sliding rail 511 cooperates with the first positioning segment 101 and the second positioning segment 102 of the positioning portion 1 to form a circumferential limiting mounting mechanism of the heating tube bracket 3;

The bottom of the accommodating recess 510 abuts against the third positioning section 103 to form a radial limit mounting mechanism of the heating tube bracket 3.

Preferably, the distance between the uppermost end and the lowermost end of the positioning portion 1 in the vertical direction is greater than the depth of the receiving groove 510.

Specifically, the first positioning segment 101 and the second positioning segment 102 of the positioning portion 1 cooperate with the sliding rail 511 and are confined in the sliding rail 511 of the receiving groove 510 to form a circumferential limit of the heating tube bracket 3 . a mounting mechanism; the third positioning section 103 abuts against the bottom of the receiving recess 510 to form a radial limiting mounting mechanism of the heating tube bracket 3; and the uppermost end of the positioning part 1 in the vertical direction The distance between the lower ends is greater than the depth of the accommodating recess 510, so that the positioning portion 1 can achieve an interference fit with the accommodating recess 510, thereby ensuring the elastic strength of the positioning portion 1 of the heating tube holder 3; Cooperating with the drum washing machine, and the heating tube bracket 3 can have a certain elastic deformation, which can overcome the installation error in the vertical direction caused by the installation of the heating tube 7 or the heating tube bracket 3 caused by the manufacturing error of the heating tube holder 3. The heating pipe 7 cannot cope with the problem of fitting, and at the same time, if the vibration of the washing machine is avoided, if the rigid heating pipe bracket 3 can damage the heating pipe 7, the heating pipe bracket 3 and the capacity can be avoided when the washing machine is vibrated. The positioning portion 1 of the heating tube holder 3 is swayed in the vertical direction in the accommodating recess 510, thereby causing a damaging effect on the heating tube 7. Moreover, the third positioning section 103 can generate a pressing force with the bottom surface of the accommodating recess 510 to strengthen the fixing, thereby preventing the heating tube bracket 3 from coming off.

Further, a second limiting portion 512 is disposed at an end of the accommodating recess 510 in the axial direction, and the second limiting portion 512 is a stopper structure;

The front and rear ends of the heating pipe bracket 3 are respectively matched with the second limiting portion 512 and the second cylindrical body 6 end. An axial limit mounting mechanism constituting the heating tube holder 3.

Further, a bottom surface of the inlet end of the receiving groove 510 is provided with a smooth transition surface;

Preferably, the inclined surface has an inclination angle of 1 ° C to 5 ° C. The inclined surface of the accommodating recess 510 facilitates the insertion and engagement of the heating tube holder 3 and the accommodating recess 510.

Further, the end of the second cylinder 6 is provided with a first limiting portion 610, and the first limiting portion 610 is matched with the heating tube bracket 3;

Preferably, the first limiting portion 610 is a limiting bump structure;

More preferably, the first limiting portion 610 is engaged with the end of the third positioning segment 103.

Moreover, the bottom surface of the limiting bump structure is higher than the bottom surface of the receiving recess 510; or the first limiting portion 610 is a limiting step structure.

Specifically, when the closed end of the third positioning segment 103 is within the horizontal line formed by the opening of the positioning portion 1, the first limiting portion 610 protrudes toward the first cylindrical body 5 with respect to the end of the second cylindrical body 6; When the closed end of the positioning segment 103 is on the same horizontal line as the opening of the positioning portion 1, the first limiting portion 610 and the end surface of the second cylindrical body 6 are in the same plane; when the closed end of the third positioning portion 103 exceeds the positioning portion 1 When the horizontal line formed by the opening is formed, the first limiting portion 610 is recessed toward the second cylindrical body 6 with respect to the end of the second cylindrical body 6; better, the first limiting portion 610 is matched with the closed end of the third positioning portion 103. The degree of cooperation between the heating tube holder 3 and the first barrel 5 and the second barrel 6 is enhanced. Moreover, the closed end cooperates with the first limiting portion 610 to achieve mounting positioning of the third positioning segment 103 in the axial direction and the vertical direction. Furthermore, the mounting position of the heating pipe holder 3 in the axial direction and the vertical direction is achieved.

Further, the end portion of the second cylinder 6 further includes a third limiting portion and a fourth limiting portion that are oppositely disposed on the left and right sides, and the third limiting portion and the fourth limiting portion are respectively associated with the sliding rail 511 Cooperate

Preferably, the third limiting portion, the fourth limiting portion and the first limiting portion 610 are of a unitary structure.

More preferably, the third limiting portion cooperates with the first supporting segment 211, the fourth limiting portion and the second supporting portion 212;

More preferably, the third limiting portion cooperates with the third supporting segment 213, and the fourth limiting portion cooperates with the fourth supporting segment 214.

Further, the third limiting portion, the fourth limiting portion and the first limiting portion 610 are of an integral structure. Further, the positioning of the heating tube holder 3 in the axial direction is further achieved, and the strength of the support frame 210 can be strengthened, the shaking of the clamping portion 2 in the heating tube holder 3 in the axial direction is reduced, and the strength of the heating tube holder 3 is improved. The operation of the heating pipe 7 is ensured.

Specifically, the bottom surface of the mounting groove 4 of the first cylinder 5 is further provided with a drain port, and the receiving groove 510 is adjacent to the drain port; facilitating drainage and heating of the washing machine.

Meanwhile, the first cylinder 5 further includes a front flange 520 disposed on the outer ring, and the second cylinder 6 further includes a rear flange 620 disposed on the outer ring; wherein the front flange The disk 520 is provided with a finite rib 521, and the rear flange 620 is provided with a limiting groove 621 that cooperates with the limiting rib 521.

Specifically, the first positioning segment 101 and the second positioning segment 102 enter along the sliding rail 511 of the receiving recess 510. After reaching a certain depth, the fourth positioning segment 104 and the fifth positioning point receive the second limiting portion. The blocking of 512 stops. At this time, the closed end of the third positioning section 103, the first supporting section 211 and the second supporting section 212 are flush with the inner edge of the limiting rib 521. The slanting surface of the accommodating recess 510 facilitates the smooth entry of the third positioning section 103 into the accommodating recess 510.

Meanwhile, when the heating pipe holder 3 is mounted into the accommodating recess 510, the assembly of the front flange 520 of the first cylinder 5 and the rear flange 620 of the second cylinder 6 can be performed. The outer flanges of the rear flange 620 and the front flange 520 are respectively provided with matching bolt holes, and the limiting ribs 521 of the front flange 520 are inserted into the limiting grooves 621 of the rear flange 620. The first limiting portion 610 and the third positioning portion 103 abut against each other, the third limiting portion and the first supporting segment 211, the second supporting segment 212, the third supporting segment 213 and the fourth supporting Segment 214 is abutted against the fit. The assembly is completed by providing bolt fastening in the bolt holes.

In summary, the drum washing machine of the embodiment has the following advantages:

1. The drum washing machine of the embodiment solves the problem that the heating tube bracket 3 is inconvenient to be installed. In the embodiment, the heating tube bracket 3 is directly inserted into the receiving recess 510 to realize the installation of the heating tube bracket 3 and the outer tube. No need for screw fixing, avoiding the influence of the screw hole on the outer cylinder to the outer cylinder strength, and the installation is simple, saving the time for screwing.

2. The drum washing machine of the embodiment solves the problem that the heating tube bracket 3 is fitted and fitted. In the embodiment, the first cylinder 5 and the second cylinder 6 are fitted together, and the heating tube bracket 3 is installed on the First cylinder In the accommodating recess 510 of the body 5, the accommodating recess 510 and the end of the second cylinder 6 cooperate to form a limit mounting mechanism of the heating tube bracket 3, thereby realizing the fastening and clamping of the heating tube bracket 3, and ensuring The position of the heating tube holder 3 does not change, thereby ensuring the safety of the heating tube 7.

3. The drum washing machine of the embodiment solves the problem that the position of the heating tube 7 changes when the strength of the heating tube holder 3 is insufficient, and the heating tube holder 3 and the receiving groove are used in the embodiment. The 510 is configured to cooperate with the first positioning section 101 and the second positioning section 102 of the positioning portion 1 and the sliding rail 511, and is limited to the sliding rail 511 of the receiving recess 510 to form the heating tube bracket 3. a circumferential limiting mounting mechanism; the third positioning section 103 abuts against the bottom of the receiving recess 510 to form a radial limiting mounting mechanism of the heating tube bracket 3; and the third positioning section 103 can A pressing force is generated at the bottom of the receiving groove 510 to strengthen the fixing, thereby preventing the heating tube holder 3 from coming off.

Embodiment 4

The difference between this embodiment and the above embodiment is that the third limiting portion is provided with a groove structure, and the first supporting segment 211, the second supporting segment 212, the third supporting segment 213 lower end and the fourth supporting segment 214 The lower end is matched so that the first support section 211, the second support section 212, the lower end of the third support section 213 and the lower end of the fourth support section 214 can be disposed in the groove structure. The installation and positioning of the heating tube holder 3 in the drum washing machine is facilitated.

The embodiments of the present invention may be further combined or substituted, and the embodiments are merely described for the preferred embodiments of the present invention, and are not intended to limit the scope and scope of the present invention. Various changes and modifications made by those skilled in the art to the technical solutions of the present invention are within the scope of the present invention.

Claims

A heating tube bracket of a drum washing machine, comprising a positioning portion installed in an outer cylinder of the washing machine and a clamping portion connecting the heating tubes, wherein the clamping portion and the positioning portion are disposed from top to bottom, and the positioning The first positioning section, the second positioning section, and the third positioning section disposed between the first positioning section and the second positioning section, the plane of the first positioning section and the second positioning section There is an angle between the plane of the third positioning segment.
The heating tube bracket of a drum washing machine according to claim 1, wherein the positioning portion has a U-shaped frame body as a whole, and the third positioning section has a length along the first positioning section and the second positioning section. An elastic support structure that is inclined downwardly in a direction;

Preferably, the elastic support structure is a U-shaped or V-shaped frame structure;

More preferably, the angle between the elastic support structure and the plane of the first positioning segment and the second positioning segment is between 3 ° C and 45 ° C.
The heating pipe bracket of a drum washing machine according to claim 1 or 2, wherein the clamping portion comprises a clamping frame and a supporting frame for connecting the positioning portion and the clamping frame;

Preferably, the support frame includes a first support segment and a second support segment disposed opposite to each other on the left and right sides, the first support segment is coupled to the first positioning segment and extends along the inner side of the positioning portion; the second support segment and the second support segment The two positioning segments are connected and extend along the inner side of the positioning portion;

More preferably, the support frame further includes a third support segment and a fourth support segment disposed opposite to each other on the left and right sides, the third support segment being connected to the first support segment and along the first support segment and the second support segment The extending direction is inclined upward; the fourth supporting section is connected to the second supporting section and inclined upward along the extending direction of the first supporting section and the second supporting section.
The heating tube bracket of a drum washing machine according to claim 3, wherein the holder comprises a first clamping section and a second clamping section disposed opposite to each other on the left and right sides; The segment is connected to the third support segment, and the second clamping segment is connected to the fourth support segment;

Preferably, the first clamping segment comprises a first segment, a second segment and a third segment connecting the first segment and the second segment, wherein the first segment and the second segment are straight segments, and the third segment It is a circular arc segment, and the two ends of the third segment are smoothly transitioned to the first segment and the second segment respectively;

And, the second clamping segment includes a fourth segment, a fifth segment, and a sixth segment connecting the fourth segment and the fifth segment, The fourth and fifth segments are straight segments, and the sixth segment is a circular arc segment, and the two ends of the sixth segment are smoothly transitioned to the fourth segment and the fifth segment, respectively.
A drum washing machine according to any one of claims 1 to 4, comprising an outer cylinder, a bottom of the outer cylinder is provided with a mounting groove, a heating pipe is arranged in the mounting groove, and the outer cylinder is composed of a first cylinder and a second cylinder The end flange sealing connection is characterized in that: a corresponding receiving groove is formed in the axial direction of the corresponding mounting groove of the first cylinder, and the heating pipe bracket is installed in the receiving concave. In the slot, the receiving groove cooperates with the end of the second barrel to form a limit mounting mechanism of the heating tube bracket.
The drum washing machine according to claim 5, wherein the two side walls of the accommodating recess further comprise slide rails disposed opposite to each other on the left and right sides, and the cross section of the slide rail is inverted "L";

Wherein the sliding rail cooperates with the first positioning section and the second positioning section of the positioning portion to form a circumferential limit mounting mechanism of the heating tube bracket;

The bottom of the accommodating recess and the third positioning section abut against each other to form a radial limit mounting mechanism of the heating tube bracket.
The drum washing machine according to claim 5 or 6, wherein the receiving groove is provided with a second limiting portion at an end portion in the axial direction, and the second limiting portion is a stopper structure. ;

Wherein, the front and rear ends of the heating pipe bracket cooperate with the second limiting portion and the second cylindrical end portion respectively to form an axial limit mounting mechanism of the heating pipe bracket.
A drum washing machine according to any one of claims 5-7, characterized in that: the bottom end of the inlet end of the receiving groove is provided with a smooth transitional inclined surface;

Preferably, the inclined surface has an inclination angle of 1 ° C to 5 ° C.
The drum washing machine according to any one of claims 5-8, wherein the second barrel end portion is provided with a first limiting portion, and the first limiting portion is engaged with the heating tube holder;

Preferably, the first limiting portion is a limiting bump structure;

More preferably, the first limiting portion cooperates with the end of the third positioning segment.
The drum washing machine according to any one of claims 5-9, wherein the second tubular body end further comprises a third limiting portion and a fourth limiting portion disposed opposite to each other on the left and right sides, The third limiting portion and the fourth limiting portion respectively cooperate with the sliding rail;

Preferably, the third limiting portion, the fourth limiting portion and the first limiting portion are of a unitary structure.