KR102287010B1 - Direct connection type motor pump - Google Patents

Abstract

The present invention relates to a motor pump and, more specifically, to a horizontally disposed motor direct-connection pump implemented to prevent contamination by scattering of oil leaking from a gearbox to surroundings. According to the present invention, a shaft of a pump which transports a fluid in the specific direction and a shaft of a motor which generates a driving force are horizontally arranged so that the two shafts are placed in a straight line. In addition, the shaft of the pump and the shaft of the motor are integrally coupled to be separable from each other by a connecting joint unit. The pump is operated by a rotating force of the motor.

Description

Horizontal arrangement type motor direct connection pump {DIRECT CONNECTION TYPE MOTOR PUMP}

The present invention relates to a motor pump, and more particularly, is configured to directly connect the shaft of the pump and the shaft of the motor without the configuration of a gearbox that surrounds and supports the shaft of the pump, and leaks from the gearbox during operation of the motor pump It relates to a horizontally placed type motor direct connection pump that prevents contamination from scattering around and prevents the pump shaft and the motor shaft from rotating smoothly without eccentric rotation.

In general, rotating machines such as electric motors, generators, and turbines are configured such that a gearbox surrounds the rotating shaft so that the rotating shaft rotates smoothly.

In particular, as shown in FIG. 1 , in the case of a pump, the gearbox 30 is coupled between the pump 10 and the motor 20 so that the shaft 11 of the pump 10 is the gearbox 30 . At this time, a bearing is coupled to the shaft 11 of the pump 10 disposed inside the gearbox 30, and on both sides of the gearbox 30 through which the shaft 11 of the pump passes. A shaft hole is formed, and an oil seal is coupled to the shaft hole, and the gearbox 30 accommodates the lubricating oil therein so that the shaft 11 of the pump 10 rotates smoothly, and the oil seal is the lubricating oil of the gearbox. to prevent leakage to the outside.

However, while the shaft 11 of the pump 10 repeats rotation, in some cases, the shaft 11 of the pump 10 rotates eccentrically, and the pressure inside the gearbox 30 rises due to centrifugal force, etc. , eventually, lubricating oil flows out and scatters to the outside of the gearbox 30 through the gaps of each component over time, resulting in a problem of contamination of the surroundings.

Therefore, by directly connecting the shaft 11 of the pump and the motor 20 without the configuration of the gearbox 30, the surroundings are not polluted by the scattering of lubricant, and the shaft 11 of the pump is implemented to prevent eccentric rotation. The need for a motor direct pump is required.

Republic of Korea Patent Application Registration No. 10-0499798 (Registered on June 28, 2005)

The present invention has been devised for the above needs, and is configured to directly connect the shaft of the pump and the shaft of the motor without the configuration of a gearbox that surrounds and supports the shaft of the pump, and leaks from the gearbox during operation of the motor pump An object of the present invention is to provide a horizontally placed type motor direct connection pump that prevents contamination from being scattered around and that the shaft of the pump and the shaft of the motor rotate smoothly without eccentric rotation.

The present invention in order to solve the above problems,

The shaft of the pump that transports the fluid in a specific direction and the shaft of the motor that generate the driving force are horizontally arranged so that they lie in a straight line, and the shaft of the pump and the shaft of the motor are integrally coupled so that they can be separated by the connection joint unit. Became,

The pump is configured to operate by the rotational force of the motor.

And the connecting joint unit,

Pump mounting joint mounted on the shaft of the pump;

a motor mounting joint mounted on the shaft of the motor;

a fixing bolt for coupling or separating the pump mounting joint and the motor mounting joint;

is made of,

The pump mounting joint is

A pump shaft insertion hole into which the shaft of the pump is inserted is formed inside the pump flange part integrally coupled with the shaft of the pump by welding, and a plurality of pump bolt holes to which the fixing bolts are coupled are formed on the periphery of the pump flange part. done,

The motor mounting joint is

A motor boss part is integrally and successively formed on one surface of the motor flange part in contact with the pump flange part of the pump mounting joint, and a plurality of motor bolt holes coincident with the pump bolt holes of the pump mounting joint are formed on the periphery of the motor flange part. The fixing bolt is coupled, and a motor shaft insertion hole into which the shaft of the motor is inserted is formed inside the motor flange portion and the motor boss portion, and a key groove into which a key is inserted is formed in the mutually contacting motor shaft insertion hole and the motor shaft. is formed, and a motor shaft coupling hole to which a motor coupling bolt is coupled to the motor boss is formed to communicate with the motor shaft insertion hole.

Or, the connection joint unit,

Pump mounting joint mounted on the shaft of the pump;

a motor mounting joint mounted on the shaft of the motor;

a fixing bolt for coupling or separating the pump mounting joint and the motor mounting joint;

is made of,

The pump mounting joint is

A pump boss part is integrally and continuously formed on one surface of the pump flange part separably supported and coupled to the shaft of the pump, and a pump shaft insertion hole into which the shaft of the pump is inserted is formed in the pump flange part and the pump boss part, A plurality of pump bolt holes to which the fixing bolts are coupled are formed on the periphery of the pump flange portion, and a key groove into which the key is inserted is formed correspondingly to the pump shaft insertion hole and the shaft of the pump in contact with each other. The pump shaft fastening hole to which is coupled is formed to communicate with the pump shaft insertion hole,

The motor mounting joint is

A motor boss part is integrally and successively formed on one surface of the motor flange part in contact with the pump flange part of the pump mounting joint, and a plurality of motor bolt holes coincident with the pump bolt holes of the pump mounting joint are formed on the periphery of the motor flange part. The fixing bolt is coupled, and a motor shaft insertion hole into which the shaft of the motor is inserted is formed inside the motor flange portion and the motor boss portion, and a key groove into which a key is inserted is formed in the mutually contacting motor shaft insertion hole and the motor shaft. is formed, and a motor shaft coupling hole to which a motor coupling bolt is coupled to the motor boss is formed to communicate with the motor shaft insertion hole.

The horizontal arrangement type motor direct connection pump according to the present invention, the present invention relates to a motor pump, and more particularly, is configured to directly connect the shaft of the pump and the shaft of the motor without the configuration of a gearbox that surrounds and supports the shaft of the pump When the motor pump is operated, oil leaked from the gearbox is scattered around to prevent pollution from occurring, and it has the effect of allowing the shaft of the pump and the shaft of the motor to rotate smoothly without eccentric rotation. .

1 is a schematic conceptual diagram of the prior art.
2 is an overall conceptual diagram of the present invention.
3 is a block diagram of a connecting joint according to the present invention.
Figure 4 is an exploded perspective view of Figure 3;
5 is a cross-sectional view of the coupling of FIG.
6 is another embodiment of the connecting joint according to the present invention.
7 is an exploded perspective view of FIG. 6 ;
FIG. 8 is a cross-sectional view of FIG. 6 ;
9 is a view of various embodiments of the pump mounting joint insert.
Figure 10 is a cross-sectional view in which the fixing screw is coupled to the insertion groove of the present invention.
11 and 12 are conceptual views of a casing and a cover according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to their ordinary or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention.

Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention and does not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

Horizontal arrangement type motor direct connection pump according to the present invention,

As shown in Figure 2, the shaft 210 of the pump 200 for transferring the fluid in a specific direction, and the shaft 310 of the motor 300 for generating the driving force are horizontally arranged so that they lie on a straight line, The shaft 210 of the pump 200 and the shaft 310 of the motor 300 are integrally coupled so that they can be separated by the connection joint unit 100,

The pump 200 is configured to operate by the rotational force of the motor 300,

As shown in Figures 3 to 5,

The connection joint unit 100,

a pump mounting joint 110 mounted on the shaft 210 of the pump 200;

a motor mounting joint 120 mounted on the shaft 310 of the motor 300;

a fixing bolt 130 for coupling or separating the pump mounting joint 110 and the motor mounting joint 120 from each other;

is made of

And the pump mounting joint 110,

3 to 5, the shaft 210 of the pump 200 is inserted into the inside of the pump flange part 111 integrally coupled with the shaft 210 of the pump 200 by welding. A pump shaft insertion hole 112 is formed, and a plurality of pump bolt holes 113 to which the fixing bolt 130 is coupled are formed on the periphery of the pump flange portion 111,

The motor mounting joint 120,

3 to 5, the motor boss part 124 is integrally formed consecutively on one surface of the motor flange part 121 that comes into contact with the pump flange part 111 of the pump mounting joint 110, A plurality of motor bolt holes 123 coincident with the pump bolt holes 113 of the pump mounting joint 110 are formed on the periphery of the motor flange portion 121, the fixing bolt 130 is coupled, and the motor A motor shaft insertion hole 122 into which the shaft 310 of the motor 300 is inserted is formed in the flange portion 121 and the motor boss portion 124, and the motor shaft insertion hole 122 and the motor in contact with each other are formed. A key groove 125 into which the key 126 is inserted is formed in the shaft 310 to correspond to each other, and the motor shaft fastening hole 127 to which the motor fastening bolt 128 is coupled is formed in the motor boss part 124 , respectively. It is formed and configured to communicate with the shaft insertion hole (122).

At this time, the motor shaft fastening hole 127 is formed at a position for pressing the key 126 inserted into the keyway 125 or formed at a position for directly pressing the shaft 310 of the motor 300 . may be done

And in some cases, contrary to the above configuration, the shaft 210 of the pump mounting joint 110 and the pump 200 is coupled and separated from each other, and the shaft 310 of the motor mounting joint 120 and the motor 300 is separated. ) may be configured to be welded to each other.

On the other hand, as described above, the shaft 210 of the pump mounting joint 110 and the pump 200 is welded, and the motor mounting joint 120 and the shaft 310 of the motor 300 are mutually coupled and separated. Preferably, in some cases, both the pump mounting joint 110 and the motor mounting joint 120 may be configured to be coupled and separated from each other.

Looking in detail, as shown in Figures 6 to 8,

The connection joint unit 100,

a pump mounting joint 110 mounted on the shaft 210 of the pump 200;

a motor mounting joint 120 mounted on the shaft 310 of the motor 300;

a fixing bolt 130 for coupling or separating the pump mounting joint 110 and the motor mounting joint 120 from each other;

is made of,

The pump mounting joint 110,

6 to 8, the pump boss part 114 is integrally formed consecutively on one surface of the pump flange part 111 that is detachably supported and coupled to the shaft 210 of the pump 200, A pump shaft insertion hole 112 into which the shaft 210 of the pump 200 is inserted is formed in the pump flange part 111 and the pump boss part 114, and at the periphery of the pump flange part 111, A plurality of pump bolt holes 113 to which the fixing bolt 130 is coupled are formed, and a key 116 is inserted into the shaft 210 of the pump shaft insertion hole 112 and the pump 200 in contact with each other, a key groove 115 ) are formed to correspond to each other, and the pump shaft coupling hole 117 to which the pump coupling bolt 118 is coupled is formed in communication with the pump shaft insertion hole 112 in the pump boss part 114,

The motor mounting joint 120,

6 to 8, the motor boss part 124 is integrally formed consecutively on one surface of the motor flange part 121 that comes into contact with the pump flange part 111 of the pump mounting joint 110, A plurality of motor bolt holes 123 coincident with the pump bolt holes 113 of the pump mounting joint 110 are formed on the periphery of the motor flange portion 121, the fixing bolt 130 is coupled, and the motor A motor shaft insertion hole 122 into which the shaft 310 of the motor 300 is inserted is formed in the flange portion 121 and the motor boss portion 124, and the motor shaft insertion hole 122 and the motor ( A keyway 125 into which the key 126 is inserted is formed in the shaft 310 of 300 to correspond to each other, and the motor shaft fastening hole 127 to which the motor fastening bolt 128 is coupled is formed in the motor boss part 124 . The motor shaft insertion hole 122 is formed and configured to communicate.

At this time, the pump shaft fastening hole 117 is formed at a position for pressing the key 126 inserted into the keyway 125 like the motor shaft fastening hole 127 or the shaft 210 of the pump 200 . It can be made to be formed in a position to directly press.

According to this, in the present invention, the pump 200 and the motor 300 are directly connected without any other arrangement between the pump 200 and the motor 300, and in some cases, the shaft of the pump 200 ( 210) can prevent eccentric rotation, and in particular, since the configuration of the gearbox is unnecessary, the problem of oil leakage from the gearbox and contamination of the surroundings by scattering of oil can be prevented in advance.

In addition, the pump mounting joint 110 and the motor mounting joint 120 for interconnecting and coupling the shaft 210 of the pump 200 and the shaft 310 of the motor 300 are firmly coupled and easily detachable. By being configured, it is easy to clean and replace parts, and it is possible to reduce costs according to production and management, so that efficient operation is possible.

On the other hand, as shown in FIGS. 4 and 5, the pump flange part 111 of the pump mounting joint 110 and the motor flange part 121 of the motor mounting joint 120 in contact with each other have inserts corresponding to each other ( 119) and the insertion groove 129 are formed, so that the motor mounting joint 120 and the pump mounting joint 110 are more firmly coupled.

At this time, the shape of the insertion recess 129 and the insertion part 119 is preferably made of a circular cross section, but in some cases, as shown in FIG. 9, the insertion recess 129 and the insertion part ( 119) may be configured in a polygonal shape such as a square or hexagon in cross section.

According to this, the pump mounting joint 110 and the motor mounting joint 120 are more firmly engaged to induce a smooth rotation.

In addition, when the cross section of the insertion part 119 and the insertion groove 129 is circular, in order to couple the pump mounting joint 110 and the motor mounting joint 120 to the pump mounting joint 110 and the motor mounting joint 120 ) while rotating, the user must artificially match the pump bolt hole 113 and the motor bolt hole 123 and then combine the fixing bolt 130, but the insertion part 119 and the insertion groove 129 are polygonal. In this case, since the pump bolt hole 113 and the motor bolt hole 123 naturally coincide only with the operation of engaging the insertion portion 119 with the insertion groove 129, it is possible to give the user convenience of operation.

At this time, in some cases, contrary to the above configuration, an insertion groove is formed in the pump mounting joint 110 , and an insertion portion may be formed in the motor mounting joint 120 .

And as shown in 'A' of FIG. 10, a screw hole 320 is formed at the end of the shaft 310 of the motor 300 inserted into the motor shaft insertion hole 122 of the motor mounting joint 120, , a fixing screw 330 is coupled to the screw hole 320, and a washer 340 caught in the insertion recess 129 is coupled to the fixing screw 330,

When the motor 300 rotates, it is configured to prevent the motor mounting joint 120 and the shaft 310 of the motor 300 from being separated in some cases.

If the operation of the present invention is repeated, the coupling of the motor fastening bolt 128 may be relaxed by vibration and centrifugal force in some cases. ) can be prevented from being separated from the motor shaft insertion hole 122 in advance.

In addition, like the motor mounting joint 120, as shown in 'B' of FIG. 10, the shaft 210 of the pump 200 inserted into the pump shaft insertion hole 112 of the pump mounting joint 110. A screw hole 220 is also formed at the end, a fixing screw 230 is coupled to the screw hole 220 , and a washer 240 caught in the pump shaft insertion hole 112 is coupled to the fixing screw 230 . It may be configured to be

Accordingly, it is possible to prevent in advance the case in which the pump mounting joint 110 and the shaft 210 of the pump 200 are more firmly coupled to each other in some cases.

On the other hand, as shown in FIGS. 11 and 12, between the motor 300 and the pump 200, the shaft 310 of the motor 300, the shaft 210 of the pump 200, and the connecting joint unit ( A casing 400 having both open receiving space portions 410 surrounding 100 , therein is configured to be detachably coupled to the motor 300 and the pump 200 .

In this case, two or more pump coupling holes 420 are formed at one end of the casing 400 that comes into contact with the pump 200 , and at the other end of the casing 400 that comes into contact with the motor 300 , two The above motor coupling hole 430 is formed, and coupling bolts are respectively coupled to the pump coupling hole 420 and the motor coupling hole 430 .

According to this, the shaft 310 of the motor 300, the shaft 210 of the pump 200, and the connecting joint unit 100 are protected from the outside by the casing 400, and at the same time, the pump 200 and the motor Since 300 is more firmly and stably coupled in a straight line, the shaft 210 of the pump 200 and the shaft 310 of the motor 300 can rotate smoothly.

In addition, an opening 440 communicating with the accommodation space 410 is formed on a side surface of the casing 400 , and the opening 440 is configured to be opened and closed by the cover 500 .

At this time, as shown in FIG. 11 , mounting holes 510 are formed at both edges of the cover 500 , and mounting holes 510 of the cover 500 are formed in the casing 400 around the opening 440 . ) and a corresponding mounting hole 450 is formed, and a mounting bolt 520 is coupled to the mounting hole 510 and the corresponding mounting hole 450 to separate the cover 500 and the casing 400 from each other. configured to be

Alternatively, as shown in FIG. 12 , locking portions 530 having elastic force are integrally bent with the cover 500 at both edges of the cover 500 , and the casing 400 has the cover 500 . A corresponding locking part 460 to which the locking part 530 is elastically caught and fixed is formed, and the cover 500 and the casing 400 may be configured to be coupled and separated from each other.

According to this, since the connection joint unit 100 is stably protected from external impact, and cleaning and replacement of the connection joint unit 100 is easy, efficient management can be achieved.

After all, the present invention is configured so that the shaft 210 of the pump 200 and the shaft 310 of the motor 300 are directly connected without the configuration of a gearbox, so that each shaft 210, 310 rotates smoothly, and the motor During the operation of the pump, it is possible to prevent the oil leaking from the gearbox from scattering to the surroundings and causing contamination.

In addition, the present invention has a simple configuration, easy replacement and efficient maintenance as well as easy replacement of parts because the coupling and separation of the parts is easy.

In the above description of the present invention, with reference to the accompanying drawings, "horizontal arrangement type motor direct connection pump" having a specific shape and structure has been mainly described, but the present invention can be variously modified and changed by those skilled in the art, and such modifications and changes should be construed as belonging to the protection scope of the present invention.

100 ; connecting joint unit
110 ; pump mounting joint
111; Pump Flange
112 ; pump shaft insertion hole
113 ; pump bolt ball
114; pump boss
115 ; keyway
116 ; key
117 ; Pump shaft fastening work
118; pump fastening bolt
119 ; insert
120 ; motor mounting joint
121; motor flange
122; motor shaft insert
123; motor bolt ball
124 ; motor boss
125 ; keyway
126 ; key
127; Motor shaft fastening work
128 ; motor fastening bolt
129; insertion groove
130 ; fixing bolt
200 ; Pump
210; shaft of the pump
220 ; screwdriver
230 ; set screw
240 ; washer
300 ; motor
310; motor shaft
320 ; screwdriver
330; set screw
340; washer
400 ; casing
410; accommodating space
420; pump coupling hole
430; motor jointer
440 ; opening
450 ; Correspondence installation work
460; Correspondence locking part
500 ; cover
510; installer
520 ; mounting bolt
530; jam part

Claims (10)

The shaft 210 of the pump 200 for transferring the fluid in a specific direction and the shaft 310 of the motor 300 for generating the driving force are horizontally arranged so that they lie on a straight line,
The shaft 210 of the pump 200 and the shaft 310 of the motor 300 are a pump mounting joint 110 mounted on the shaft 210 of the pump 200 and the shaft 310 of the motor 300 . The motor mounting joint 120 and the pump mounting joint 110 and the motor mounting joint 120 mounted on are combined,
The pump mounting joint 110 is a pump shaft insertion into which the shaft 210 of the pump 200 is inserted into the inside of the pump flange part 111 integrally coupled with the shaft 210 of the pump 200 by welding. A ball 112 is formed, and a plurality of pump bolt holes 113 to which a fixing bolt 130 is coupled are formed on the periphery of the pump flange part 111,
The motor mounting joint 120 has a motor boss unit 124 integrally formed on one surface of the motor flange unit 121 that comes into contact with the pump flange unit 111 of the pump mounting joint 110 in succession, and the motor plan A plurality of motor bolt holes 123 coincident with the pump bolt holes 113 of the pump mounting joint 110 are formed on the periphery of the branch 121, the fixing bolt 130 is coupled, and the motor flange portion ( 121) and a motor shaft insertion hole 122 into which the shaft 310 of the motor 300 is inserted is formed inside the motor boss unit 124, and the motor shaft insertion hole 122 and the motor 300 are in contact with each other. A key groove 125 into which the key 126 is inserted is formed in the shaft 310 to correspond to each other, and the motor shaft fastening hole 127 to which the motor fastening bolt 128 is coupled is formed in the motor boss part 124 , respectively. It is formed in communication with the shaft insertion hole 122,
The pump flange part 111 of the pump mounting joint 110 and the motor flange part 121 of the motor mounting joint 120 that are in contact with each other have an insertion part 119 and an insertion groove 129 that are coupled and separated in correspondence with each other, respectively. In the horizontal arrangement type motor direct connection pump formed and configured,
The insertion part 119 and the insertion groove 129 are horizontally disposed type motor direct connection pump, characterized in that the cross section is composed of a polygonal shape corresponding to each other.
The shaft 210 of the pump 200 for transferring the fluid in a specific direction and the shaft 310 of the motor 300 for generating the driving force are horizontally arranged so that they lie on a straight line,
The shaft 210 of the pump 200 and the shaft 310 of the motor 300 are a pump mounting joint 110 mounted on the shaft 210 of the pump 200 and the shaft 310 of the motor 300 . The motor mounting joint 120 and the pump mounting joint 110 and the motor mounting joint 120 mounted on are combined,
The pump mounting joint 110 has a pump boss part 114 integrally formed on one surface of the pump flange part 111 that is detachably supported and coupled to the shaft 210 of the pump 200, and the pump flange part A pump shaft insertion hole 112 into which the shaft 210 of the pump 200 is inserted is formed in the 111 and the pump boss part 114 , and a fixing bolt 130 is formed on the periphery of the pump flange part 111 . A plurality of pump bolt holes 113 to which ) are coupled are formed, and a keyway 115 into which the key 116 is inserted corresponds to the shaft 210 of the pump shaft insertion hole 112 and the pump 200 that are in contact with each other. The pump boss part 114 has a pump shaft fastening hole 117 to which the pump fastening bolt 118 is coupled is formed in communication with the pump shaft inserting hole 112,
The motor mounting joint 120 has a motor boss unit 124 integrally formed on one surface of the motor flange unit 121 that comes into contact with the pump flange unit 111 of the pump mounting joint 110, and the motor flange unit A plurality of motor bolt holes 123 coincident with the pump bolt hole 113 of the pump mounting joint 110 are formed on the periphery of the 121, the fixing bolt 130 is coupled, and the motor flange portion 121 ) and a motor shaft insertion hole 122 into which the shaft 310 of the motor 300 is inserted is formed inside the motor boss unit 124 , and the motor shaft insertion hole 122 and the motor 300 are in contact with each other. A key groove 125 into which the key 126 is inserted is formed in the 310 to correspond to each other, and the motor shaft fastening hole 127 to which the motor fastening bolt 128 is coupled is formed in the motor boss part 124. It is formed in communication with the insertion hole 122,
The pump flange part 111 of the pump mounting joint 110 and the motor flange part 121 of the motor mounting joint 120 that are in contact with each other have an insertion part 119 and an insertion groove 129 that are coupled and separated in correspondence with each other, respectively. In the horizontal arrangement type motor direct connection pump formed and configured,
The insertion part 119 and the insertion groove 129 are horizontally disposed type motor direct connection pump, characterized in that the cross section is composed of a polygonal shape corresponding to each other.
3. The method of any one of claims 1 or 2,
A screw hole 320 is formed at the end of the shaft 310 of the motor 300 inserted into the motor shaft insertion hole 122 of the motor mounting joint 120 , and a set screw 330 is provided in the screw hole 320 . is coupled, and a washer 340 caught in the insertion recess 129 is coupled to the fixing screw 330,
When the motor 300 rotates, the motor mounting joint 120 and the shaft 310 of the motor 300 are configured to prevent separation.
The method of claim 1,
Between the motor 300 and the pump 200, the shaft 310 of the motor 300, the shaft 210 of the pump 200, and the receiving space portion 410 opened on both sides surrounding the connection joint unit 100. A horizontally disposed motor direct connection pump, characterized in that the casing 400 having a inside is detachably coupled to the motor 300 and the pump 200.
5. The method of claim 4,
An opening 440 communicating with the accommodation space 410 is formed on a side surface of the casing 400 , and the opening 440 is configured to be opened and closed by a cover 500 . Pump.
6. The method of claim 5,
Mounting holes 510 are formed at both edges of the cover 500 , and corresponding mounting holes 450 matching the mounting holes 510 of the cover 500 are formed in the casing 400 around the opening 440 . is formed, and a mounting bolt 520 is coupled to the mounting hole 510 and the corresponding mounting hole 450,
A horizontally disposed motor direct connection pump, characterized in that the cover 500 and the casing 400 are configured to be coupled and separated from each other.
6. The method of claim 5,
At both edges of the cover 500, engaging portions 530 having elastic force are integrally bent with the cover 500, and the engaging portions 530 of the cover 500 are elastically formed in the casing 400. A corresponding locking part 460 that is hooked and fixed is formed,
A horizontally placed type motor direct connection pump, characterized in that the cover 500 and the casing 400 are coupled and separated from each other.

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