JP3139316B2 - Pressurizing pump and nozzle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressurizing pump and a nozzle used for a washing apparatus for washing tableware, foodstuffs and the like with washing water for jetting.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is a perspective view showing the inside of a conventional cleaning device disclosed in Japanese Patent Application Publication No. JP-A-2006-133125. In the figure, (1) is a main body constituting a cleaning tank,
Opening (2) on top, cleaning space (3) and cleaning space inside
A sound absorbing material (4) is provided on substantially the entire inner wall of the main body (1) forming (3). (5) is a water supply pipe connected to a water pipe (not shown), and (6) is a water source provided at an upper part in the main body (1) and connected to a water supply pipe (5) to continuously supply fresh water. Ball tap for water level adjustment in the formed water tank (7)
Is provided.

[0003] (8) is provided in the lower part of the main body (1), is connected to the water storage tank (6) by a pipe, is a cleaning water heating device for heating the cleaning water, (9) is the inside of the main body (1) A washing water pressurizing pump provided at the lower part of the washing machine and driven by a jet water motor (10),
The pipe is connected to the washing water heating device (8). (11)
Is a jet water nozzle arranged at the edge of the opening (2) in the main body (1), connected to the discharge side of the cleaning water pressurizing pump (9) so that the cleaning water is sprayed in a fan shape. It is configured.

[0004] (12) is an air flow nozzle having a slit-shaped ejection hole disposed at the edge of the opening (2) in the main body (1), and (13) is provided in the main body (1). A blower connected to the airflow nozzle (12) via a pipe, wrapped in a sound-absorbing material (14), and an air inlet provided with a filter (15) on the front
(16) is provided. (17) is a recess formed on the inner bottom surface of the main body (1) and provided with a drain port (18) in the center, and (19) is a recess (1).
The waste collection basket arranged in 7), (20) is a drain pipe connected to the drain port (18).

[0005] (21) is an operation unit disposed on the inclined edge of the upper part of the main body (1), a washing water temperature setter (22), a switch for jet water
(23) and an air flow switch (24). (25) is a foot-operated jet water intensity adjustment mechanism provided on the outer surface of the lower part of the main body (1), and changes the pressure of the air flow, the jet water, etc. by manual operation. Reference numeral (26) denotes a lid which is attached to the main body (1) so as to be openable and closable by a hinge (27) and covers the main body (1) opening (2) when not in use.

[0006] The conventional cleaning device is configured as described above,
Tap water is supplied from a water supply pipe (5), stored in a water storage tank (6), and maintained at a constant water level in the water storage tank (6) by a ball tap (7). Further, the temperature of the washing water is set by the washing water temperature setting device (22). Then, switch for jet water (2
3) When the air flow switch (24) is operated, the jet water motor (10) and the blower (13) are energized.

As a result, the cleaning water pressurizing pump (9) operates to pressurize the cleaning water. Further, the washing water is heated to an appropriate washing temperature by a heater (not shown) of the washing water heating device (8). The pressurized and heated washing water is jetted from the jet water nozzle (11). In this state, the user of the cleaning device inserts the cleaning object (not shown) such as tableware to be cleaned into the cleaning space (3) through the opening (2) of the main body (1) while holding it. As a result, the high-speed water jet sprayed from the jet water nozzle (11) collides with the cleaning object, and the impact force and the action of the jet water flowing down remove the dirt attached to the cleaning object.

[0008] In this way, the cleaning object is washed, the dirt washed off by the jet water in the cleaning is collected in a dirt collecting basket (19), and the water after the cleaning of the jet water is drained.
Emitted from (20). Next, a high-speed airflow is ejected from the airflow nozzle (12) by the operation of the blower (13). The air discharged from the air flow nozzle (12) collides with the object to be washed, and transports water droplets attached to the object to be washed along the surface of the object to be washed to the end thereof.

Since the force of the air discharged from the air flow nozzle (12) exceeds the surface tension of the water at the edge of the cleaning object, water droplets at the edge of the cleaning object are scattered to drain the cleaning object. Is done. In addition, the air flow that drains the cleaning object is blower (1
The air is sucked through the air inlet (16) of (3) and circulates in the cleaning space (3). At this time, the filter (1
5) prevents water droplets scattered in the circulating air flow from being sucked into the blower (13). In addition, blower (1
3) is wrapped in sound-absorbing material (14),
It absorbs the noise of 3).

[0010]

In the conventional cleaning apparatus as described above, the cleaning water is pressurized by the operation of the cleaning water pressurizing pump (9). However, in order to efficiently obtain high-pressure washing water, each member of the washing-water pressurizing pump (9) needs to be processed with high precision, and there has been a problem that the number of complicated steps is required. Also, the jet water nozzle needs to jet the washing water in the form of a fan-shaped water curtain with a wide angle, but the tip for obtaining such jetting of the washing water is flat and has a widened nozzle hole. There is a problem that the processing of the nozzle is not easy, and a complicated operation is required.

The present invention has been made to solve such a problem, and a first object of the present invention is to provide a pressurizing pump which can be easily manufactured by simple processing. A second object of the present invention is to provide a nozzle connected to a pressurizing pump, which can be easily manufactured by simple processing.

[0012]

In a pressurizing pump according to the present invention, a housing having a suction port and a discharge port connected to a nozzle is provided between the suction port and the discharge port. A cam ring, a rotor equipped with a vane on the circumference and arranged in the cam ring, and a pair of side plates arranged at a position where the cam ring and the rotor are pressed from a direction along the rotation axis,
A seal member made of an elastic material is provided between the housing and the cam ring between the suction port and the discharge port, and between the housing and the side plate.

Further, in the pressurizing pump according to the present invention, a housing having a discharge port connected to a suction port and a nozzle, a cam ring disposed in the housing and provided between the suction port and the discharge port, A rotor provided with a vane on a circumferential portion and disposed in a cam ring, a pair of side plates disposed at a position where the cam ring and the rotor are pressed from a direction along a rotation axis, and a suction port and a discharge port. A sealing member made of an elastic material disposed between the housing and the cam ring and between the housing and the side plate, and a nozzle body which constitutes the nozzle, has a cylindrical body, and has a flattened and widened nozzle hole. And forming this nozzle body, bisecting along the cylindrical axis, forming nozzle holes on mutually opposing surfaces and along the length of the nozzle holes on the opposing surfaces. Vignetting in the nozzle piece locking means is provided to be fitted is provided for the other of the opposed surfaces.

Further, in the nozzle body according to the present invention, a cylindrical body having a flattened tip and a widened nozzle hole, which is connected to the discharge port of the pressurizing pump, is divided into two along the cylindrical axis. A nozzle piece having a nozzle hole formed on the opposing surface and provided along the length of the nozzle hole on the opposing surface and provided with locking means for fitting to the other opposing surface is provided.

[0015]

In the pressurizing pump constructed as described above, an elastic sealing material is interposed between the housing and the cam ring between the suction port and the discharge port, and between the housing and the side plate. Thereby, the washing water is pressurized with high pump efficiency in the pressurizing pump.

Further, in the pressurizing pump constructed as described above, an elastic sealing material is interposed between the housing and the cam ring between the suction port and the discharge port, and between the housing and the side plate. Thus, the cleaning water is pressurized with high pump efficiency in the pressurizing pump. Also,
A cleaning nozzle is formed by providing a flattened and widened concave portion for a nozzle hole on each of the opposing surfaces of the nozzle pieces, and by engaging the locking means of the opposing surfaces of the nozzle pieces with each other. You. Thereby, the nozzle pieces can be easily assembled at a predetermined position. Further, since the locking means is provided along the length of the nozzle body, leakage of the washing water from between the nozzle pieces is reduced.

The nozzle body constructed as described above has flattened and widened recesses for the nozzle holes on the opposing surfaces of the nozzle pieces, respectively. By the stop means fitting each other,
A cleaning nozzle is configured. Thereby, the nozzle pieces can be easily assembled at a predetermined position. Further, since the locking means is provided along the length of the nozzle body, leakage of the washing water from between the nozzle pieces is reduced.

[0018]

【Example】

Embodiment 1 FIG. 1 to 8 show an embodiment of the present invention. FIG. 1 is a perspective view conceptually showing a cleaning device, and FIG.
3 is an enlarged vertical sectional view of the pressurizing pump of FIG. 1, FIG. 4 is a sectional view taken along line IV-IV of FIG. 3, and FIG. 5 is a cleaning nozzle of FIG. 6 is an enlarged plan view of the nozzle body of FIG. 5, FIG. 7 is a right side view of FIG. 6, and FIG. 8 is an exploded perspective view of the nozzle body of FIG.

In the drawing, reference numeral (28) denotes a base plate which is detachably provided on a frame-shaped base (29) and whose front side is formed with a low inclination, and (30) denotes a base plate (28) An inner sink (31) configured so that it can be removed by being pulled upward in the disposed washing tank, and a spray circulation channel (32) outside the inner sink (31).
An opening (2) is provided on the upper surface, and a washing space (3) is formed inside the outer sink (33), which is disposed with a space forming the space therebetween. Numeral (34) is a side plate that stands upright from the base plate (28) to form an outer peripheral side surface, and is manufactured so as to obtain a soundproofing and blindfold function over the entire inner surface.

(35) is attached to a through-hole formed near the upper edge of the inner sink (31) and forming a spray circulation flow path outlet (36), and the side of the washing space (3) is inclined downward. Current plate,
(37) is a spray circulation channel suction port provided on the bottom surface of the inner sink (31), (38) is a rail erected from the base plate (28),
A vertical guide groove (39) is provided in a portion facing the side surface of the cleaning tank (30). (40) is a guide provided on the outer surface of the cleaning tank (28) and movably engaged with the guide groove (39).

A cleaning nozzle (41) is attached to the outer sink (33) and faces the cleaning space (3). The cleaning nozzle is disposed below the horizontal direction. (42) is an air nozzle attached to the outer sink (33) and arranged to face the cleaning space (3) and provided with an air nozzle head, and a plurality of air blowing holes are provided on a hemispherical curved surface. ing. (43) is a curved surface portion of the spray circulation flow path (32) constituted by a bottom corner of the outer sink (33),
(9) is a pressurizing pump provided on the base plate (28) and driven by the pressurizing pump motor (10), and is connected to the cleaning nozzle (41) by a pressure-resistant flexible hose.

(13) is a blower provided on the base plate (28) and connected to the air nozzle (42) by a flexible hose, and (44) is a blower provided inside the nozzle head of the air nozzle (42). (13)
A filter that removes the abrasion powder etc. of the brush (45) and prevents the washing water from entering the blower (13), and (46) is a sound absorbing material fixed by a mesh plate (47) inside the blower (13). It is mounted so as to withstand the suction force of the blower (13).

(48) is a water pipe to which fresh water such as a water pipe is supplied.
(49), a mixer tap body to which a hot water pipe (50) to which hot water is supplied is connected, (51) is a solenoid valve provided on the mixer tap body (48),
(6) is a water storage tank arranged in the upper part in the side plate (34), (7) is a ball tap provided in the water storage tank (6), (21) is arranged in front of the upper edge of the outer sink (33). The operation / display unit includes a washing water temperature setting device (22), a jet water switch (23), an air flow switch (24), a temporary stop switch (211), and the like.

A water receiver (52) is connected to the water storage tank (6) and receives water flowing from the water storage tank (6), and (53) is a water detector for detecting water remaining in the water receiver (52). The detection means, (54) is a water storage tank provided on the base plate (28) by refracting the rod-shaped material.
A support for supporting (6), (55) is a drain port provided on the bottom surface of the outer sink (33), and (56) is a garbage catch attached to the drain port (55).

A drain trap (57) is provided at the drain port (55), and is formed of a cylindrical body partly fitted to the drain trap (57) and has a predetermined height submerged in the water stored in the drain trap (57). And a sealing means (60) for preventing leakage of water and air at the fitting portion of the deodorizer (58) and the drain trap (57). The drain trap (57) is configured such that the sealing means (60) and the deodorizer (58) are detachable from the cleaning tank (30). (61) is an anti-vibration spring provided on the base plate (28) and supporting the pressurizing pump (9), and (62) is provided on the base plate (28) and the blower (1
3) A leaf spring that supports vibration isolation.

Reference numeral 63 denotes a lifting / lowering mechanism, which is a fixed cylinder (64) erected on the base plate (28), which is slidably fitted to the fixed cylinder (64) and whose upper end is closed and the cleaning tank is closed. The movable cylinder (6
5), placed inside the movable cylinder (65)
8) and a biasing body (66) composed of a compression coil spring supported on the upper end of the movable cylinder (65), a movable cylinder (65) configured to be retractable
Of the fixed cylinder (64)
It is constituted by the protruding teeth (68) fitted to 7), the above-mentioned rail (38) and the above-mentioned guide (40). (69) is the operation / display section
This is a control device connected to (21) and provided at the upper edge of the cleaning tank (30).

(70) is a housing of the pressurizing pump (9),
A suction port (71) and a discharge port (72) are provided. (73) is a cam ring provided in the housing (70) and provided between the suction side and the discharge side, and (74) is provided in the cam ring (73) with a circumferentially provided vane (75). (76) is a pair of side plates arranged so as to sandwich the cam ring (73) rotor (74) from the axial direction, (77) is a housing between the suction port (71) and the discharge port (72) (70) and a cam ring (73) and a sealing material made of an elastic material interposed between the housing (70) and the side plate (76), and are used for the suction port (71) and the discharge port (72). It is manufactured to be larger than the fitting dimension between the housing 70 and the cam ring 73 and between the housing 70 and the side plate 76, and is fitted in a compressed and deformed state.

Numeral (78) is a joint of the washing water nozzle (41), and (79) is a nozzle body disposed at the tip of the joint (78). The nozzle is provided with a flattened and widened nozzle hole (80). ing. (81)
7 shows a nozzle piece formed by two pieces that divide a cylindrical nozzle body (79) into two along the cylindrical axis as shown in FIG.
2) is an O-link provided on the end face of the joint (78) and the nozzle body (79) facing each other, and (83) is fitted to the nozzle body (79) and fastened to the joint (78), and the O-link (82) ) Via the nozzle body (79)
Is a nozzle holder for holding the nozzle in the joint (78).

Reference numeral (84) denotes locking means formed on opposing surfaces of the nozzle piece (81). The protrusion (85) and the nozzle provided on one side along the longitudinal axis of the nozzle piece (81). The concave portion (8) provided on the other side along the longitudinal axis of the piece (81) and fitted with the convex portion (85)
6). Preferably, the locking means (84) has substantially the same length as the groove of the nozzle hole (80). In FIG. 8, one locking member is provided on each side of the groove of the nozzle hole (80). However, two lines may be provided, or the lines may be arranged in a line in a broken line. A drain pipe (87) is provided on the base plate (28) and connected to a drain trap (57) at a drain port (55).

In the cleaning apparatus configured as described above, a high-speed air flow is blown from the air nozzle (42) to the cleaning space (3) of the cleaning tank (30) by the blower (13). In addition, the water in the water storage tank (6) is pressurized by the pressurizing pump (9) to a water pressure that can remove dirt attached to the cleaning object, and the cleaning tank (30) is cleaned as cleaning water from the cleaning nozzle (41). It is injected into the working space (3). In this state, the user of the washing apparatus inserts the washing object such as tableware to be washed into the washing space (3) through the opening (2) of the washing tank (30) by hand.

As a result, the high-speed water flow jetted from the cleaning nozzle (41), that is, the cleaning water collides with the cleaning object, and the impact force and the action of the jet water flowing down remove the dirt adhering to the cleaning object. . Next, the air nozzle (42)
The washing | cleaning thing to which the water droplet adhered by the high-speed air flow which gushes from is drained like the case of the washing | cleaning apparatus of FIG. At the time of cleaning, the cleaning water sprayed from the cleaning nozzle (41) collides with the cleaning object and the inner surface of the cleaning tank (30) to generate spray. This spray is guided to the spray circulation channel suction port (37) by the energy of the jet.

This spray is supplied to a spray circulation channel suction port (3
The flow path area of (7) is larger than the other part of the flow path for spray circulation (32), and the flow path for spray circulation (32) is provided at the bottom corner of the washing tank (30).
Since the curved surface portion (43) is formed, it is efficiently collected. In addition, since the cleaning space (3) side is provided with a rectifying plate (35) in which the side of the cleaning space (3) is inclined downward at the spray circulation channel outlet (36), the cleaning space ( By circulating 3), it is possible to prevent the problem that the spray flows out of the cleaning space (3).

Further, since the inner sink (31) is constructed so as to be able to be pulled out and removed, the inner sink (31) can be removed and easily cleaned. Further, the washing nozzle (41) is mounted downward from the horizontal direction, and jets a water curtain-shaped jet at a wide angle of the washing water. Thereby, the cleaning efficiency of the cleaning object can be improved.

Further, since the air nozzle (41) is provided with a plurality of air blowing holes on a hemispherical curved surface, the air flow easily comes into close contact with the inner surface of the bowls, thereby preventing attenuation of the air flow rate and preventing drainage. The effect can be improved. In addition, since a filter (44) is provided inside the nozzle head of the air nozzle (42), foreign matter such as abrasion powder of the brush (45) of the blower (13) is removed, and the blower (13) of the washing water is removed. Can be prevented from entering.

As a result, a high-speed air flow free of foreign matter can be obtained, and the cleaning action can be improved, and the performance of the blower (13) due to the mixing of the cleaning water can be prevented from lowering. Also,
Since the sound absorbing material (46) is installed inside the blower (13),
Noise transmitted from the blower (13) that generates high-speed airflow can be reduced.

A water pipe (49) and a hot water pipe are provided in the water storage tank (6).
(50) is connected, and by operating the operation / display unit (21), the control device (69) and the operation of the solenoid valve (51) provided on the mixer tap body (50), the oil stain on the cleaning object. On the other hand, the cleaning performance can be improved by using warm water, and the cleaning of foods such as vegetables can be performed without impairing the freshness of the foods by using water.

Also, since the support (54) of the water storage tank (6) is formed by bending the rod-shaped material, a space is formed below the water storage tank (6), and a drain pipe (87) is provided. Water storage tank
(6) It is possible to make effective use of the lower space. Further, maintenance workability of the lower part of the water storage tank (6) can be improved. In addition, since the pressurizing pump (9) is supported on the base plate (28) by the vibration isolating spring (61) and the blower (13) by the leaf spring (62), the pressurizing pump (9) and Blower
Vibration transmission during the operation of (13) can be reduced.

A base plate (28) is provided on a frame-shaped base (29) so as to be detachable, and the front side is formed with a low inclination.
For this reason, the base plate (28) can be taken out to the outside at the time of maintenance, so that the work can be easily performed. Also condensation on the base plate (28),
When the water is accumulated due to the water leak, the water flows to the front side, so that the water leak can be easily found and the wiping operation of the water leak can be easily performed.

Further, since the operation / display unit (21) is provided at the front of the upper edge of the outer sink (33), it can be easily operated at the time of cleaning. When processing the garbage in the garbage catch (56) at the drain (55) after washing is completed, the inner sink (31) and the outer sink
By pressing the temporary stop switch (211) when cleaning the part (33) and the air nozzle (42), it is possible to prevent a problem that the cleaning water is erroneously jetted.

When the movable body (65) is lowered with respect to the fixed cylinder (64) with the biasing body (66) compressed, the elevating mechanism (63) moves the protruding teeth (68) to the fixed cylinder body. The movable cylinder (65) is held at the lowered position as shown in FIG. 1 by being fitted into the hole (67) provided in the (64). As a result, the cleaning tank (30) is disposed at a lowered position with respect to the base plate (28), and the cleaning device is carried over the inner bottom plate of table-like furniture such as a sink, although not shown, during installation. Then, the opening (2) of the cleaning tank (30) is arranged at a position corresponding to the upper plate space of the table-like furniture.

When the tooth (68) is pushed into the hole (67) provided in the fixed cylinder (64) by manual operation, the urging member (6) is pressed.
6) The movable cylinder against the fixed cylinder (64) by the upward biasing force
(65) rises. As a result, the cleaning tank (30) is
The cleaning tank (30) is held at a predetermined position where the upper surface of the cleaning tank (30) is in contact with the upper plate of the table-like furniture by being guided by the guide groove (39) of the rail (38) via the (0) to a predetermined height. You.

Further, between the housing (70) and the cam ring (73) between the suction port (71) and the discharge port (72) and the housing
Since the elastic sealing material (77) is compressed and inserted between (70) and the side plate (76), each member of the pressure pump (9) expands and contracts due to the temperature change of the washing water. This can prevent problems caused by the operation. That is, when the temperature of the washing water changes, a gap is generated between the housing (70) and the cam ring (73) and the housing (70) and the side plate (76) having different thermal expansion coefficients, and flows toward the discharge port (72). High-pressure washing water flows to the low-pressure suction port (71), and the pump efficiency is reduced.

By compressing and inserting an elastic sealing material (77) between the housing (70) and the cam ring (73) and between the housing (70) and the side plate (76), the temperature of the washing water changes. The sealing material (77) is elastically deformed to fill the created gap, preventing high-pressure washing water flowing toward the discharge port (72) from flowing to the low-pressure suction port (71), and reducing a decrease in pump efficiency. Can be.

By compressing and inserting an elastic sealing material (77) between the housing (70) and the cam ring (73) and between the housing (70) and the side plate (76),
Since the dimensional error of each member of the pressure pump (9) can be absorbed by the elasticity of the sealing material (77), the pressure pump (9)
Even if the manufacturing accuracy of each member is low, high pump efficiency can be obtained, and a high-performance pressurized pump (9) that can efficiently obtain high-pressure washing water can be manufactured at low cost.

Further, the washing water nozzle (41) needs to spray the washing water in a fan-shaped water curtain shape with a wide angle. On the other hand, the nozzle body (79) constituting the cleaning water nozzle (41) is
As shown in FIG. 7, the nozzle (79) is formed by a nozzle piece (81) composed of two pieces that divide into two along the cylindrical axis. For this reason, it is possible to easily mold the nozzle piece (81) having a flattened tip and a widened nozzle hole (80), which makes it difficult to remove the die, thereby reducing the manufacturing cost of the nozzle body (79). be able to.

The nozzle piece (8) constituting the nozzle body (79)
Since the locking means (84) are formed on the opposing surfaces of (1), the nozzle pieces (81) can be easily assembled at a predetermined position, and the manufacturing cost can be reduced. Further, since the locking means (84) is provided along the length of the nozzle body (79), leakage of the washing water from between the nozzle pieces (81) can be reduced.

[0047]

According to the present invention, as described above, a housing having a suction port and a discharge port connected to a nozzle;
A cam ring provided in the housing and provided between the suction port and the discharge port, a rotor provided with a vane on the circumference and disposed in the cam ring, and a cam ring and the rotor sandwiched from a direction along the rotation axis. A pair of side plates arranged at a position to be pressed, and a sealing material made of an elastic material arranged between the housing and the cam ring between the suction port and the discharge port and between the housing and the side plate. It is.

With this arrangement, the high pressure washing water flowing to the discharge port side flows to the low pressure suction port side from the gap between the housing and the cam ring between the suction port and the discharge port and the gap between the housing and the side plate. The reduction in efficiency is reduced by the elastic sealing material. Therefore,
This has the effect of improving the pump efficiency of the pressurizing pump. Even if the manufacturing accuracy of each member of the pressurizing pump is low, a high pumping efficiency can be obtained by providing an elastic sealing material, and a high-performance pressurizing pump that can efficiently obtain high-pressure washing water. Has the effect of facilitating the manufacture of the device and reducing costs.

Further, as described above, the present invention provides a housing having a suction port and a discharge port connected to a nozzle,
A cam ring provided in the housing and provided between the suction port and the discharge port, a rotor provided with a vane on the circumferential portion and disposed in the cam ring, and a direction along the rotation axis of the cam ring and the rotor. A pair of side plates arranged at a position where the pressure is applied to the housing, a seal member made of an elastic material arranged between the housing and the cam ring between the suction port and the discharge port, and between the housing and the side plate, and a nozzle. A nozzle body comprising a cylindrical body, having a flattened tip and having a widened nozzle hole, and forming the nozzle body into two along the cylindrical axis to form nozzle holes on mutually opposing surfaces. And a nozzle piece provided on the facing surface along the length of the nozzle hole and provided with locking means for fitting to the other facing surface.

[0050] With this arrangement, a sealing material made of an elastic material is interposed between the housing and the cam ring between the suction port and the discharge port, and between the housing and the side plate. The washing water is pressurized with. Further, a concave portion for a nozzle hole having a flattened tip and a widened portion is provided on each of the opposing surfaces of the nozzle pieces, and the locking nozzles of the opposing surfaces of the nozzle pieces are fitted to each other, so that the cleaning nozzle is formed. Be composed. Thereby, the nozzle pieces can be easily assembled at a predetermined position. Further, since the locking means is provided along the length of the nozzle body, leakage of the washing water from between the nozzle pieces is reduced.

Therefore, the pump efficiency caused by high-pressure washing water flowing to the discharge port side flowing to the low-pressure suction port side from the gap between the housing and the cam ring and the gap between the housing and the side plate between the suction port and the discharge port. Is reduced by the sealing material made of the elastic material. Therefore, there is an effect of improving the pump efficiency of the pressurizing pump. Also,
Even if the manufacturing accuracy of each member of the pressure pump is low, high pump efficiency can be obtained by providing an elastic sealing material,
This has the effect of facilitating the production of a high-performance pressurizing pump capable of efficiently obtaining high-pressure washing water and reducing costs.

Further, a concave portion for a nozzle hole having a flattened tip and an enlarged width is provided on each of opposing surfaces of the nozzle pieces. Therefore, it is possible to easily mold a nozzle body having a flattened tip and a widened nozzle hole, from which it is difficult to remove the mold, and there is an effect of reducing manufacturing costs. In addition, since the locking means is formed on the opposing surfaces of the nozzle pieces that constitute the nozzle body, the nozzle pieces can be easily assembled at a predetermined position, so that the production cost can be reduced. Further, since the locking means is provided along the length of the nozzle body, leakage of the cleaning water from between the nozzle pieces can be reduced, and there is an effect of improving the cleaning efficiency.

Further, as described above, the present invention divides a cylindrical body, which is connected to the discharge port of the pressurizing pump and has a flattened tip and a widened nozzle hole, into two parts along the cylindrical axis, thereby mutually reciprocating each other. A nozzle piece is formed on the opposing surface along the length of the nozzle hole, and a nozzle piece is provided on the opposing surface and provided with locking means for fitting to the other opposing surface.

With this arrangement, a concave portion for a nozzle hole having a flattened tip and an enlarged width is provided on each of the opposing surfaces of the nozzle pieces, and the engaging means of the opposing surfaces of the nozzle pieces are fitted to each other. A cleaning nozzle is configured. Thereby, the nozzle pieces can be easily assembled at a predetermined position. Further, since the locking means is provided along the length of the nozzle body, leakage of the washing water from between the nozzle pieces is reduced.

Therefore, it is possible to easily mold a nozzle body having a flattened tip and a widened nozzle hole, from which it is difficult to remove the mold, which has the effect of reducing manufacturing costs.
In addition, since the locking means is formed on the opposing surfaces of the nozzle pieces that constitute the nozzle body, the nozzle pieces can be easily assembled at a predetermined position, so that the production cost can be reduced. Further, since the locking means is provided along the length of the nozzle body, leakage of the cleaning water from between the nozzle pieces can be reduced, and there is an effect of improving the cleaning efficiency.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and is a perspective view conceptually showing a cleaning device.

FIG. 2 is a perspective view showing a main part of an upper edge of the cleaning tank of FIG. 1;

FIG. 3 is an enlarged longitudinal sectional view of the pressurizing pump of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is an enlarged longitudinal sectional view along the length of the cleaning nozzle of FIG. 1;

FIG. 6 is an enlarged plan view of the nozzle body of FIG. 5;

FIG. 7 is a right side view of FIG. 6;

FIG. 8 is an exploded perspective view showing the nozzle body of FIG. 5;

FIG. 9 is an internal perspective view showing a conventional cleaning apparatus.

[Explanation of symbols]

2 opening, 9 pressurizing pump, 28 base plates, 30 cleaning tank, 41 cleaning nozzle, 70 housing, 71
Suction port, 72 discharge port, 73 cam ring, 74 rotor, 75 vane, 76 side plate, 77 sealing material, 79 nozzle body, 80 nozzle hole, 81 nozzle piece, 84 locking means.

Claims (3)

(57) [Claims] 1. A housing having a discharge port connected to a suction port and a nozzle, a cam ring disposed in the housing and provided between the suction port and the discharge port, and a vane provided on a circumferential portion. A rotor disposed in the cam ring, a pair of side plates disposed at positions where the cam ring and the rotor are pressed from a direction along a rotation axis, and a housing and the cam ring between the suction port and the discharge port. A pressurizing pump comprising an elastic sealing material disposed between the housings and between the housing and the side plate. 2. A housing having a discharge port connected to a suction port and a nozzle, a cam ring disposed in the housing and provided between the suction port and the discharge port, and a vane provided on a circumferential portion. A rotor disposed in the cam ring, a pair of side plates disposed at positions where the cam ring and the rotor are pressed from a direction along a rotation axis, and a housing and the cam ring between the suction port and the discharge port. A sealing member made of an elastic material disposed between each other and between the housing and the side plate, and a nozzle body which constitutes the nozzle, has a cylindrical body, has a flattened tip, and has a widened nozzle hole; and The nozzle body is formed and divided into two along the cylindrical axis so that the nozzle holes are formed on the mutually opposing surfaces and the nozzle holes are formed on the opposing surfaces along the length of the nozzle holes. And a nozzle piece provided with locking means for fitting to the other facing surface. 3. A cylindrical body connected to the discharge port of a pressurizing pump and having a flattened tip and having a widened nozzle hole is divided into two along a cylindrical axis, and the nozzle holes are formed on mutually opposing surfaces. And a nozzle member provided on the facing surface along the length of the nozzle hole and provided with locking means for fitting to the other facing surface.