CN212755559U

CN212755559U - Spraying arm for dish washer

Info

Publication number: CN212755559U
Application number: CN202021171497.0U
Authority: CN
Inventors: 陈旭; 张猛; 黄卫斌; 黄安奎; 张海波
Original assignee: Marssenger Kitchenware Co Ltd
Current assignee: Marssenger Kitchenware Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-23
Anticipated expiration: 2030-06-22

Abstract

The utility model provides a spray arm for dish washer, including water delivery arm, right angle pipe, the snap ring, connect, spray arm epitheca and spray arm inferior valve, the snap ring is cup jointed to the right angle edge that the right angle pipe pegged graft sprayed the chamber, and the snap ring forms circumference sliding connection around the perisporium of right angle pipe, the periphery of snap ring cup joints the joint, open the interface on the roof of spray arm epitheca, the bottom of joint inserts in the interface, connect the bottom and set up the opening of gradually opening's water conservancy diversion, the opening of water conservancy diversion is located and sprays the intracavity, and the roof of opening of water conservancy diversion pastes the inner wall of spray arm epitheca admittedly, set up the water conservancy diversion subassembly that is rotational symmetry on the opening of water conservancy diversion, the water conservancy diversion subassembly includes guide plate one and guide plate two, guide plate one section curved arc body one, guide plate two has curved arc body two and curved arc body three that is the connection of being buckled, curved arc body two laminates the passway edge of joint, curved arc body inferior valve lateral, the deflecting and guiding direction and the side wall of the spraying cavity form a backflushing included angle.

Description

Spraying arm for dish washer

Technical Field

The utility model belongs to the technical field of the kitchen electricity, a dish washer part is related to, especially a dish washer is with spraying arm.

Background

The dish washer is used to automatically clean tableware such as dish, chopsticks, dish, knife and fork. The full-automatic dish washing machines on the market can be divided into two types of household and commercial, and the household full-automatic dish washing machines are only suitable for families and mainly comprise a cabinet type, a desk type, a water tank integrated type and an integrated type. The commercial dish-washing machine can be divided into a cabinet type, a cover type, a basket transmission type, a belt transmission type and an ultrasonic 5 class according to the structure, thereby reducing the labor intensity of cooking personnel in restaurants, hotels and canteens of institutions, improving the working efficiency and promoting the cleanness and the sanitation.

The washing principle of the current spray type dish washing machine is as follows: water flow is sprayed out of the holes in the spraying arms, water flow impacts tableware to wash the tableware, and meanwhile, the sprayed water flow drives the spraying arms to rotate so that the sprayed water flow is rotating water flow, the water flow washing area is increased, and the washing effect of the tableware is improved.

The upper spray arm of the existing dish washer has more water flow loss and larger water pressure loss due to poor sealing, thereby reducing the washing effect; meanwhile, the service life of the upper spray arm is shortened due to the fact that the upper spray arm is abraded quickly when rotating. The upper spray arm of the existing dish washer mostly provides the reverse force through the reverse force of the spraying or the bending of the spray arm. Therefore, the angle design of the spray arm is limited, and the defects of uneven rotation, unbalanced movement and the like of the spray arm exist. Most of the existing upper spray arms are formed by plastic, and the spray arms are easy to deform after running for a period of time in a dish washing machine, so that the rotation of the spray arms is influenced, and the failure of the spray arms is caused; the color of the spray arm is changed greatly, such as yellowing; secondly, plastic spray arms are not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having above-mentioned problem to current technique, provided one kind through the design of gradually opening, increased spray arm reverse drive power, improved the spray arm for dish washer that sprays rotational stability.

The purpose of the utility model can be realized by the following technical proposal: a spray arm for a dish washer comprises a water delivery arm, a right-angle pipe, a clamping ring, a joint, a spray arm upper shell and a spray arm lower shell, wherein a plurality of nozzles are uniformly arranged on the shell wall of the spray arm upper shell, the spray arm upper shell and the spray arm lower shell are buckled up to form a hollow spray cavity, one side right-angle opening of the right-angle pipe is inserted into the water delivery arm, the other side right-angle opening is inserted into the spray cavity, the clamping ring is sleeved on the right-angle edge of the right-angle pipe inserted spray cavity, the clamping ring forms circumferential sliding connection around the circumferential wall of the right-angle pipe, the joint is sleeved on the periphery of the clamping ring, an interface is opened on the top wall of the spray arm upper shell, the bottom end of the joint is inserted into the interface, a gradually opened diversion port is arranged at the bottom end of the joint, the diversion port is positioned in the spray cavity, and the top wall of the diversion port, the last setting of water conservancy diversion mouth is rotational symmetry's water conservancy diversion subassembly, the water conservancy diversion subassembly includes guide plate one and guide plate two, guide plate one has one section curved arc body one, guide plate two has curved arc body two and curved arc body three that is the connection of buckling, the laminating of curved arc body two the passway edge that connects, the curved arc body extends just to spray arm inferior valve lateral wall earlier on the curved arc body three-dimensional sprays the chamber center pin and extends and form the water conservancy diversion direction that deflects, deflect the water conservancy diversion direction with the lateral wall that sprays the chamber forms the recoil contained angle.

In this spray arm for dish washer, spray arm epitheca and spray arm inferior valve all adopt stainless steel.

In foretell spray arm for dish washer, the water conservancy diversion mouth is in the tip of connecting outwards buckles 90 and sets up, the back-off edge is established to protruding on the periphery wall that connects, the interface of spray arm epitheca is located the water conservancy diversion mouth with form spacing joint between the back-off edge.

In foretell spray arm for dish washer, the water conservancy diversion mouth is rectangular plate body including the outline, the centre of plate body communicates the passway of joint, guide plate one and guide plate two all are located the passway periphery.

In the above spray arm for a dishwasher, the angle of the kick-back angle ranges from 5 ° to 40 °.

In the spray arm for the dish washer, each pair of the first guide plate and the second guide plate form a deflection guide direction on one side, the guide assembly comprises the first guide plate and the second guide plate, and the deflection guide directions on the two sides are arranged in a rotational symmetry manner.

In foretell spray arm for dish washer, the right-angle side that the right-angle pipe was pegged graft and is sprayed the chamber has upper limit step and lower limit step, form the installation annular between upper limit step and the lower limit step, the snap ring card cover is in the installation annular, the top mouth of snap ring with upper limit step forms spacing support and leans on, the end mouth of snap ring with lower limit step forms spacing support and leans on.

In foretell spray arm for dish washer, the snap ring is formed by two semicircular half arc ring amalgamations, set up pothook and bayonet socket on half arc ring's the concatenation border, two half arc rings pass through pothook and bayonet socket one-to-one joint cooperation. The snap ring is a bidirectional rotational symmetric structure, which is characterized in that the upper side and the lower side of the snap ring are rotationally symmetric, and the left side and the right side of the snap ring are rotationally symmetric.

In foretell spray arm for dish washer, set up a plurality of catching grooves on the periphery wall of snap ring, it sets up a plurality of buckles to correspond a plurality of catching grooves on the inner wall of joint, and is a plurality of the buckle is with a plurality of the catching groove forms the one-to-one lock joint.

Compared with the prior art, this spray arm for dish washer has following advantage:

1. through the involute design of joint water conservancy diversion mouth, guide rivers are partial to the impact in order to increase spray arm reverse drive power, improve the holistic stability of spray arm, optimize the washing effect.

2. The rotary fixing ring of the spray arm adopts a bidirectional rotational symmetric structure, so that the fixing reliability, the sealing performance, the motion balance and the like of the spray arm are improved.

3. The spray arm upper shell and the spray arm lower shell which are made of stainless steel are adopted, so that the service life is prolonged, and the cleaning is facilitated.

Drawings

Fig. 1 is a perspective view of the whole structure of the spray arm for the dishwasher.

Fig. 2 is an exploded view of the spray arm of the dishwasher.

FIG. 3 is a schematic diagram of the operation of the spray arm of the dishwasher.

Fig. 4 is a structural diagram of a diversion port in a spray arm for the dishwasher.

Fig. 5 is a perspective view of a snap ring of a spray arm for a dishwasher.

Fig. 6 is a sectional view of a partial structure view of a spray arm for a dishwasher.

Fig. 7 is a sectional view from a perspective of a part of the spray arm for the dishwasher.

In the figure, 1, a water conveying arm; 2. a right-angled tube; 2a, an upper limiting step; 2b, a lower limiting step; 3. a snap ring; 3a, a hook; 3b, a bayonet; 4. a joint; 4a, an inverted edge; 4b, buckling; 5. a flow guide port; 6. a first guide plate; 7. a second guide plate; 8. spraying arm upper shell; 9. a spray arm lower shell.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 7, the spray arm for the dish washer comprises a water delivery arm 1, a right-angle pipe 2, a snap ring 3, a connector 4, a spray arm upper shell 8 and a spray arm lower shell 9, wherein a plurality of nozzles are uniformly arranged on the shell wall of the spray arm upper shell 8, the spray arm upper shell 8 and the spray arm lower shell 9 are vertically buckled to form a hollow spray cavity, a right-angle port on one side of the right-angle pipe 2 is inserted into the water delivery arm 1, a right-angle port on the other side is inserted into the spray cavity, the snap ring 3 is sleeved on the right-angle side of the right-angle pipe 2 inserted into the spray cavity, the snap ring 3 forms circumferential sliding connection around the circumferential wall of the right-angle pipe 2, the connector 4 is sleeved on the periphery of the snap ring 3, a connector is opened on the top wall of the spray arm upper shell 8, the bottom end of the connector 4 is inserted into the connector, an involute type flow guide port 5 is arranged at the bottom end of the connector 4, the flow guide port 5 is positioned in, the guide assembly comprises a first guide plate 6 and a second guide plate 7, the first guide plate 6 is provided with a first curved arc body, the second guide plate 7 is provided with a second curved arc body and a third curved arc body which are connected in a bending mode, the second curved arc body is attached to the edge of a passage opening of the joint 4, the side wall of the lower shell of the spray arm extends to form a deflection guide direction, and the deflection guide direction and the side wall of the spray cavity form a backflushing included angle.

In the spray arm for the dish washer, the spray arm upper shell 8 and the spray arm lower shell 9 are both made of stainless steel materials.

The water conservancy diversion mouth 5 is outwards buckled 90 settings at the 4 tip of joint, and the periphery wall of joint 4 is gone up the protruding back-off of establishing along 4a, and the interface of spray arm upper shell 8 is located water conservancy diversion mouth 5 and forms spacing joint with the back-off along 4a between.

The diversion port 5 comprises a plate body with a rectangular outer contour, the center of the plate body is communicated with the passage port of the connector 4, and the first diversion plate 6 and the second diversion plate 7 are both positioned on the periphery of the passage port.

The included angle of recoil is in the range of 5 ° to 40 °.

Each pair of the first guide plate 6 and the second guide plate 7 forms a deflection guide direction on one side, the guide assembly comprises the first guide plate 6 and the second guide plate 7, and the deflection guide directions on the two sides are arranged in a rotational symmetry mode.

The right-angle side that the chamber was sprayed in the grafting of right-angle pipe 2 has upper limit step and lower limit step, goes up to form the mounting ring groove between limit step and the lower limit step, and 3 snap rings snap ring are in the mounting ring groove, and the top mouth of snap ring 3 forms spacing the support with upper limit step and leans on, and the end mouth of snap ring 3 forms spacing the support with lower limit step and leans on.

The clamping ring 3 is formed by splicing two semicircular semi-arc rings, a clamping hook 3a and a clamping opening 3b are arranged on the splicing edge of the semi-arc rings, and the two semi-arc rings are correspondingly clamped and matched with the clamping hook 3a and the clamping opening 3b one by one. The snap ring 3 is a bidirectional rotational symmetric structure in that the upper side and the lower side of the snap ring 3 are rotationally symmetric and in that the left side and the right side of the snap ring 3 are rotationally symmetric.

Set up a plurality of catching grooves on the periphery wall of snap ring 3, correspond a plurality of catching grooves on the inner wall of joint 4 and set up a plurality of buckles 4b, a plurality of buckles 4b form the one-to-one lock joint with a plurality of catching grooves.

The operation method of the spraying arm for the dish washing machine comprises the following steps:

1) starting a water source to enable water flow with certain pressure to enter the water conveying arm 1, and after being conveyed horizontally by a section, the water flow turns to flow vertically downwards in the right-angle pipe 2;

2) before entering the spraying cavity, the water flow firstly flows through a flow guide opening 5 and is guided by two groups of first guide plates 6 and second guide plates 7 which are positioned at two sides and are rotationally symmetrical to form two deflection water flows in opposite directions;

3) the deflected water flow forms continuous impact force on the side wall of the spraying cavity, the impact force is decomposed through a backflushing included angle to form reaction force, and the reaction force is utilized to push the integral spraying arm upper shell 8 and the spraying arm lower shell 9 to rotate directionally;

the snap ring 3 is connected with the joint 4 in a clamped mode, the joint 4 is connected with the spray arm upper shell 8 in a clamped mode, and the water flow recoil force drives the integral structure to rotate around the peripheral wall of the right-angle pipe 2.

4) And in the process of directional rotation of the integral spray arm upper shell 8 and the spray arm lower shell 9, water flow is sprayed outwards through a plurality of nozzles, and a plurality of water columns are cleaned according to a circular rotation track.

The included angle between the directional rotation direction and the deflection flow guide direction of the integral spray arm upper shell 8 and the spray arm lower shell 9 is 90 degrees.

1. through the involute design of the flow guide opening 5 of the joint 4, the water flow is guided to deviate from the impact so as to increase the reverse driving force of the spray arm, the integral stability of the spray arm is improved, and the washing effect is optimized.

3. The spray arm upper shell 8 and the spray arm lower shell 9 which are made of stainless steel are adopted, so that the service life is prolonged, and the cleaning is convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the water transport arm 1 is used more here; a right-angle pipe 2; an upper limiting step; a lower limiting step; a snap ring 3; a hook 3 a; a bayonet 3 b; a joint 4; a back-off edge 4 a; a buckle 4 b; a flow guide port 5; a first guide plate 6; a second guide plate 7; a spray arm upper shell 8; the nozzle arm lower housing 9, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A spray arm for a dish washer comprises a water delivery arm, a right-angle pipe, a snap ring, a joint, a spray arm upper shell and a spray arm lower shell, wherein a plurality of nozzles are uniformly arranged on the shell wall of the spray arm upper shell, the spray arm upper shell and the spray arm lower shell are buckled up from top to bottom to form a hollow spray cavity, one side right-angle opening of the right-angle pipe is inserted into the water delivery arm, and the other side right-angle opening is inserted into the spray cavity, and is characterized in that the snap ring is sleeved on the right-angle edge of the right-angle pipe inserted spray cavity and forms circumferential sliding connection around the peripheral wall of the right-angle pipe, the joint is sleeved on the periphery of the snap ring, a connector is opened on the top wall of the spray arm upper shell, the bottom end of the joint is inserted into the connector, an involute type flow guide opening is arranged at the bottom end of the joint and is positioned in the spray cavity, and the top wall of the flow, the last setting of water conservancy diversion mouth is rotational symmetry's water conservancy diversion subassembly, the water conservancy diversion subassembly includes guide plate one and guide plate two, guide plate one has one section curved arc body one, guide plate two has curved arc body two and curved arc body three that is the connection of buckling, the laminating of curved arc body two the passway edge that connects, the curved arc body extends just to spray arm inferior valve lateral wall earlier on the curved arc body three-dimensional sprays the chamber center pin and extends and form the water conservancy diversion direction that deflects, deflect the water conservancy diversion direction with the lateral wall that sprays the chamber forms the recoil contained angle.

2. The spray arm of claim 1, wherein the diversion opening is formed by bending the end of the connector by 90 degrees, an inverted edge is convexly arranged on the peripheral wall of the connector, and an interface of the upper shell of the spray arm is positioned between the diversion opening and the inverted edge to form a limiting clamp.

3. The spray arm for a dishwasher of claim 2, wherein the baffle opening comprises a plate body with a rectangular outer contour, the center of the plate body is communicated with the passage opening of the connector, and the first baffle plate and the second baffle plate are both positioned at the periphery of the passage opening.

4. A spray arm for a dishwasher in accordance with claim 1 wherein said included kick angle is in the range of 5 ° to 40 °.

5. The spray arm of claim 1 wherein each pair of first and second deflectors defines a first side deflection flow direction, and wherein the flow directing assembly includes two pairs of first and second deflectors, and the first and second side deflection flow directions are rotationally symmetric.

6. The spray arm for the dish washer according to claim 1, wherein the right-angle side of the right-angle pipe insertion spray cavity is provided with an upper limit step and a lower limit step, an installation ring groove is formed between the upper limit step and the lower limit step, the snap ring is clamped and sleeved in the installation ring groove, a top opening of the snap ring forms a limit abutting with the upper limit step, and a bottom opening of the snap ring forms a limit abutting with the lower limit step.

7. The spray arm for the dish washer as claimed in claim 1, wherein the snap ring is formed by splicing two semicircular semi-arc rings, a clamping hook and a bayonet are arranged on the splicing edge of the semi-arc rings, and the two semi-arc rings are in one-to-one corresponding clamping fit through the clamping hook and the bayonet.

8. The spray arm of claim 1, wherein the outer peripheral wall of the snap ring is provided with a plurality of snap grooves, the inner wall of the joint is provided with a plurality of buckles corresponding to the plurality of snap grooves, and the plurality of buckles and the plurality of snap grooves form one-to-one corresponding buckling connection.