KR200221537Y1 - Tube pump - Google Patents

Abstract

The present invention relates to a tube pump to maximize the efficiency of the pump by mounting a stable shaft and the operating shaft and the operating rod comprising a tube constituting the tube pump, the configuration is as follows.

A drive shaft in which a plurality of eccentric cams are mounted at equal intervals, a fixed shaft positioned parallel to the drive shaft and inserted into an outer surface thereof, a cam insertion hole into which the eccentric cams are inserted into both sides, and an outer surface of the tube In the tube pump is composed of a vertical insertion hole is inserted into the tube pump consisting of a plurality of operating rods in order to repeat ascending in order to rotate in conjunction with the rotation of the eccentric cams, the inner and upper sides of the housing and the tube chamber is connected to each other A seal is formed, and opening holes are formed at both sides of the tube chamber, and the opening holes are symmetrically mounted on both sides of the bracket so that both ends of the fixed shaft and both ends of the tube are fixed to the center and the periphery of the bracket. Fixing brackets having mounting holes formed at both sides of the operating chamber are fixed to the housing, and the mounting holes have a plurality of fixing brackets. The drive shaft on which the shim cams are mounted is mounted in the transverse direction, and the cam insertion hole formed in the lower portion of the plurality of operating rods connecting between the tube and the eccentric cam has a semicircle on both sides so that the operating rod can only lift when the eccentric cam is rotated. It is characterized by consisting of a horizontal portion connecting the end and the end of the semi-circular portion.

Description

Tube pump

The present invention relates to a tube pump that prevents the bending and bending of the tube to which the fluid is transported when the pump is operated. More specifically, the fixed shaft including the tube constituting the tube pump and the operating shaft and the operating rod is stable It relates to a tube pump that can be installed to maximize the efficiency of the pump.

In general, the tube pump (tube pump), which performs the operation of transferring the fluid by continuously changing the volume inside the tube, there are a number of known is known as an example as follows.

Figure 5 shows an embodiment of a tube pump widely used in the prior art, first, the configuration will be described as follows.

A housing 200 having a semicircular surface 101 formed therein, and a tube 200 having suction and discharge ports 201 and 202 through which the semicircular surface 101 and the outside are in line contact with each other and the fluid is sucked and discharged. And a plurality of compression rollers 301 mounted at the center of the semi-circular surface 101 which is the inner side of the housing 100 and rotated in the same manner as the semi-circular surface 101 at the outside thereof to closely contact the tube 200 continuously. Is characterized in that consisting of a rotating bracket 300 is mounted.

In particular, the center of the rotary bracket 300 is the drive unit 400 for rotating the rotary bracket 300 is mounted.

Therefore, when the tube pump is operated, when the driving unit 400 mounted at the center of the rotating bracket 300 is operated, the compression rollers 301 mounted at the periphery of the rotating bracket 300 are connected to the tube 200. By repeatedly compressing continuously, the fluid introduced from the inlet 201 can be transferred toward the outlet 202.

However, the tube applied to the tube pump as described above, because the tube is repeatedly adhered through the compression roller during the compression of the fluid, there was a problem that the tube bursts when the pump is used for a long time.

In addition, the tube used in the pump had a problem in that an expensive tube having good flexibility and strong elasticity so as to be easily restored to its original form after being compressed (closed) was also used.

In order to solve the above problems, the present applicant describes the 'tube pump' previously applied as follows.

As shown in FIG. 6, a drive shaft 100 having a plurality of eccentric cams 101 having the same top and bottom positions ascending and descending sequentially in the same direction as the moving direction of the fluid, and the drive shaft 100. A fixed shaft 200 positioned in parallel with the tube, a diameter larger than the diameter of the fixed shaft 200, and a tube 300 inserted into an outer surface of the fixed shaft 200, and one side of the eccentric cam ( The cam insertion hole 401 into which the 101 is inserted is formed, and on the other side, a tube insertion hole 402 is formed in which the outer surface of the tube 300 is inserted, thereby sequentially interlocking with the rotation of the eccentric cams 101. It is characterized by consisting of a plurality of operating rod 400 repeating the lifting.

Therefore, by repeatedly flowing the inner space of the tube 300 surrounding the outside of the fixed shaft 200 to transfer the fluid, to prevent the breakage and bending of the tube during the operation of the pump to prevent the breakage of the tube described above problem It can be.

In this regard, the present invention is an improvement of the tube pump previously applied by the present applicant, and aims to maximize the efficiency of the tube pump by stably mounting the fixed shaft including the tube constituting the tube pump, the operating shaft, and the operating rod. It is.

In addition, it is possible to mount the driving unit for operating the tube pump in the same direction as the longitudinal direction of the housing, as well as to be installed in the direction perpendicular to the longitudinal direction of the housing, the purpose of facilitating the installation of the tube pump There is also.

In addition, by allowing the operating rods to be vertically vertically and preventing surface friction of each operating rod, the purpose of minimizing noise during operation of the apparatus and of preventing the efficiency deterioration due to the friction.

The present invention for achieving the above object is a drive shaft in which a plurality of eccentric cams are mounted at equal intervals, a fixed shaft that is positioned in parallel with the drive shaft is inserted into the outer surface, the eccentric cam on both sides In the tube pump consisting of a plurality of operating rods are formed in the cam insertion hole is inserted into the insertion hole and the tube insertion vertical hole is inserted into the outer surface of the tube is inserted in sequence with the rotation of the eccentric cams to repeat ascending and descending sequentially. The upper and lower sides are formed with a tube chamber and an operating chamber connected to each other, and opening holes are formed at both sides of the tube chamber, and the opening holes are symmetrically mounted on both sides of the bracket to allow fluid to pass through the center and the periphery of the bracket. Both ends of the fixed shaft and both ends of the tube is fixed to the fixing shaft, and both sides of the operating chamber are provided with a fixing bracket having a mounting hole formed in the housing. In the mounting hole, the drive shaft in which the plurality of eccentric cams are mounted is mounted in the transverse direction, and the cam insertion hole formed in the lower portion of the plurality of operating rods connecting the tube and the eccentric cam is rotated when the eccentric cam is rotated. It is characterized in that the operating rod is composed of a semicircular portion and a horizontal portion connecting the ends of the semicircular portion to each other so as to only lift.

1 is a perspective view showing a tube pump of the present invention.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view taken along the line B-B in FIG.

4 is an enlarged view of part C of FIG. 2;

Figure 5 is a schematic cross-sectional view showing an embodiment of a tube pump according to the prior art,

Figure 6 is a schematic cross-sectional view showing another embodiment of the tube pump according to the prior art.

Explanation of symbols for main parts of the drawings

1: drive shaft

11: Eccentric Cam

2: fixed shaft

3: tube

4: working rod

41: cam insertion hole

411: semicircular portion, 412: horizontal portion

42: tube insertion vertical long hole

5: housing

51: tube seal

511: opening hole, 512: cover

52: operating room

521: fixing bracket, 522: mounting hole

6: bracket

61: connecting bracket

611: fluid pipe

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

1 is a perspective view showing a tube pump of the present invention, Figure 2 is a cross-sectional view taken along the line A-A of Figure 1, first, the configuration is as follows.

A drive shaft (1) in which a plurality of eccentric cams (11), in which the positions of the top dead centers repeat the ascending and descending steps in the same direction as the direction of the fluid flow, is fixed at a position parallel to the drive shaft (1). (2), a tube (3) that is relatively larger in diameter than the diameter of the fixed shaft (2) is inserted into the outer surface of the fixed shaft (2), and the cam insert into which the eccentric cams (11) are inserted at both sides The hole 41 is formed and the other side is formed with a tube insertion vertical long hole 42 is inserted into the outer surface of the tube (3) and a plurality of repeating ascending and descending sequentially in conjunction with the rotation of the eccentric cam (11) In the tube pump composed of the operating rod (4), the upper and lower sides of the housing (5) is equipped with a tube chamber (51) on which the fixed shaft (2) and the tube (3) are mounted and the drive shaft (1) is mounted. The operating chambers 52 are connected to each other.

Opening holes 511 are formed at both sides of the tube chamber 51, and the openings 511 are symmetrically mounted to both sides of the bracket 6 through which fluid passes. Both ends of the fixed shaft 2 and both ends of the tube 3 inserted into the outer surface of the fixed shaft 2 are fixed to the peripheral portion.

In addition, fixing brackets 521 having mounting holes 522 formed at both sides of the operation chamber 52 are fixed to the housing 5, and the plurality of eccentric cams 11 are mounted to the mounting holes 522 through bearings. The drive shaft 1 to which the rods are mounted is mounted in the transverse direction.

On the other hand, the upper side of the tube chamber 51 is equipped with a cover 512 that can be opened to facilitate maintenance, and the outer side of the opening hole 511 to prevent the separation of the bracket 6 and the fluid pipe 611 is connected to the connecting bracket 61 is mounted, the tube contact portion 21 is formed in the middle of the fixed shaft (2) is expanded and the tube contact portion 21 on both sides of the flow of fluid The inclined portion 211 is formed to smoothly.

The brackets 6 mounted on both sides of the tube chamber 51 are formed at the center thereof so that both ends of the fixed shaft 2 are fixed, and the ribs 62 are provided at the periphery of the cap 61. It is composed of a mounting ring 63 is integrally formed through and fixed to both ends of the tube (3).

Therefore, when operating the tube pump configured as described above, first, when operating the drive unit connected to the drive shaft (1) mounted on the lower portion of the housing (5), a plurality of eccentricity in accordance with the rotation of the drive shaft (1) As the top dead center position of the cams 11 repeatedly moves up and down, the position of the actuating rod 4 mounted on the eccentric cam 11 is also changed and the lifting is repeated.

Therefore, the tube 3 is bent around the fixed shaft 2 through the repositioning of the operating rod 4, so that the fluid flows from one side to the other side. When the fluid is conveyed, the compressive force of the tube is generated so that the conveying pressure is generated in the fluid passing through the tube 3.

This will be described in more detail as follows.

3 is a cross-sectional view taken along line BB of FIG. 2, wherein the cam insertion hole 41 formed in the lower portion of the plurality of operation rods 4 connecting the tube 3 and the eccentric cam 11 is formed symmetrically on both sides. The semicircular portion 411 and the horizontal portion 412 connecting the ends of the semicircular portion 411 to each other.

Therefore, when the drive shaft 1 is rotated as described above, the eccentric cam 11 mounted on the drive shaft 1 is also interlocked and rotated, even if the top dead center of the eccentric cam 11 is located at both sides of the cam. Since the insertion hole 41 has the shape of a horizontal long hole, the operation rod 4 can be prevented from flowing left and right. Therefore, precise operation of the tube pump can be obtained to prevent noise and malfunction.

4 is an enlarged schematic perspective view of part C of FIG. 2, wherein an auxiliary drive shaft 7 penetrating the operating chamber 52 in the longitudinal direction is provided on the upper side of the drive shaft 1 mounted horizontally to the operating chamber 52. One end of the housing 1 is mounted to protrude, and a main gear 12 is mounted to the drive shaft 1, and an auxiliary gear 71 engaged with the main gear 12 is mounted to the auxiliary drive shaft 7. It is.

In addition, the main gear 12 mounted to the drive shaft 1 and the auxiliary gear 71 mounted to the auxiliary drive shaft 7 use helical gears to be engaged with each other in a right angle direction.

Therefore, by mounting a separate auxiliary drive shaft (7) interlocked with the drive shaft (1) in the operating chamber 52 as described above, it is possible to selectively mount the drive unit to the auxiliary drive shaft (7) of the installation space This can minimize the constraints.

Meanwhile, as shown in FIG. 1, the inner surface of the fixing bracket 521 fixed to both sides of the operating chamber 52 and the outer side of the operating rod 4 located on both sides of the operating rods 4 are shown. Between the sides, as well as to prevent the sudden bending of the tube as well as to prevent the tube (3) is moved to the side by repeating the lifting by a separate auxiliary cam 13, the auxiliary operation rod 14 is open at the top Is equipped.

1 and 4, fixing brackets 521 fixed to both surfaces of the plurality of operation rods 4, both surfaces of the auxiliary operation rod 14, and both sides of the operation chamber 52. On the inner side of the plurality of long grooves 8 are formed in a corresponding position to each other, the ball 81 is mounted between the long grooves 8 to prevent the friction of the respective surfaces.

The present invention as described above, there is an effect that can maximize the operating efficiency of the tube pump by mounting a stable shaft and the operating shaft and the operating rod constituting the tube pump mutually stable.

In addition, the drive unit for operating the tube pump can be mounted in the same direction as the housing, and can also be mounted in the direction perpendicular to the direction of the housing, thereby minimizing space constraints when the tube pump is mounted. have.

In addition, by raising the operating rod vertically and preventing the surface friction of each operating rod, it is possible to provide a tube pump that can minimize the noise during operation of the device, as well as reduce the efficiency caused by friction and obtain a high output. will be.

Claims (6)

A plurality of eccentric cams 11 having different positions are mounted at equal intervals, and a fixed shaft 2 in which the tube 3 is inserted at an outer surface thereof in parallel with the drive shaft 1; On both sides, a cam insertion hole 41 into which the eccentric cams 11 are inserted and a tube insertion vertical hole 42 into which the outer surface of the tube 3 is inserted are formed to interlock with the rotation of the eccentric cams 11. In the tube pump consisting of a plurality of operating rods (4) to repeat the ascending and descending sequentially, In the upper and lower sides of the housing 5, a tube chamber 51 and an operating chamber 52 are formed to communicate with each other. Both sides of the tube chamber 51 are fixed to both ends of the fixed shaft (2) and the tube (3) and the bracket 6 through which the fluid passes, and the cover 512 is mounted on the upper side, The outer side of the bracket 6 is fixed to the housing (5) is equipped with a connection bracket 61 is connected to the fluid pipe 611, Fixing brackets 521 having mounting holes 522 are fixed to the housing 5 at both sides of the operating chamber 52, and the plurality of eccentric cams 11 are mounted to the mounting holes 522 through bearings. Drive shaft 1 is mounted in the transverse direction, Cam insertion hole 41 formed in the lower portion of the plurality of operating rods 4 is characterized in that the semicircular portion 411 and the horizontal portion 412 connecting the ends of the semicircular portion 411 to each other, characterized in that Tube pump. The auxiliary drive shaft (7) of claim 1, wherein an auxiliary drive shaft (7) penetrating the operating chamber (52) in the longitudinal direction is provided at the upper side of the drive shaft (1) mounted laterally in the operating chamber (52). It is additionally mounted to protrude, the main shaft 12 is mounted to the drive shaft (1), and the auxiliary drive shaft (7) is characterized in that the auxiliary gear 71 is engaged with the main gear 12 is further mounted. Tube pump. 3. The helical gear according to claim 2, wherein the main gear 12 mounted on the drive shaft 1 and the auxiliary gear 71 mounted on the auxiliary drive shaft 7 are used to engage each other in a right direction. Tube pump. The tube according to claim 1, wherein an inner surface of the fixing bracket 521 fixed to both sides of the operating chamber 52 and an outer surface of the operating rod 4 located on both sides of the operating rods 4 are provided. Tube pump, characterized in that the auxiliary operation rod (14) is mounted to repeat the lifting and lowering by a separate auxiliary cam (13) to prevent bending and separation of both sides. The inner surface of the fixing bracket 521 fixed to both sides of the plurality of actuating rods 4, both sides of the auxiliary actuating rods 14 and both sides of the actuating chamber 52. There is a long groove (8) is formed at a position corresponding to each other, the tube pump, characterized in that the ball 81 is mounted between the long groove (8) to prevent the friction of each surface. According to claim 1, wherein the middle of the fixed shaft (2) is formed in the tube contact portion 21 is expanded diameter, both sides of the tube contact portion 21 is inclined to facilitate the flow of fluid ( 211) tube tube, characterized in that formed.