阅读说明：本技术 一种软管使用寿命高的蠕动泵 (Peristaltic pump with long service life of hose ) 是由 王文林 于 2021-10-26 设计创作，主要内容包括：本发明涉及蠕动泵技术领域,且公开了一种软管使用寿命高的蠕动泵,包括壳体,壳体的内部设有软管,且壳体内设有作用于软管的泵头,所述壳体侧面的中部固定连接有定位套管,所述软管的两端分别接通有第一通管和第二通管。通过软管两端接通第一通管、第二通管,配合壳体侧面定位套管内的活塞可旋转设计,在不改变液体由进入导管进入、由排出导管排出的前提下,通过定时改变泵头对软管的作用方向,有效的避免了现有的蠕动泵在使用时,因泵头始终保持将软管向一个运动方向持续推挤,使得软管与泵头的接触部分向一侧运动形变,导致软管的使用寿命降低的问题,有利于提高蠕动泵长时间连续使用时的寿命。(The invention relates to the technical field of peristaltic pumps and discloses a peristaltic pump with a long service life hose. Through the first siphunculus of hose both ends switch-on, the second siphunculus, but the rotatable design of piston in the cooperation casing side position sleeve, get into by getting into the pipe not changing liquid, under the prerequisite of discharge pipe exhaust, change the pump head through the timing and to the effect direction of hose, the effectual peristaltic pump of having avoided current when using, continuously push to a direction of motion because of the pump head remains the hose all the time, make the contact segment of hose and pump head to the side motion deformation, the problem that leads to the life reduction of hose, be favorable to improving the life-span when the peristaltic pump uses in succession for a long time.)

1. The utility model provides a peristaltic pump that hose life is high, includes casing (1), and the inside of casing (1) is equipped with hose (2), and is equipped with the pump head that acts on hose (2) in casing (1), its characterized in that: the middle part fixedly connected with position sleeve (5) of casing (1) side, the both ends of hose (2) are switched on respectively has first siphunculus (3) and second siphunculus (4), and the one end of first siphunculus (3) and second siphunculus (4) is fixed cup joints with the top and the bottom of position sleeve (5) respectively, position sleeve (5) internalization cover is equipped with piston (8), it has two logical groove (801) to have seted up in piston (8), and two lead to the axis symmetry of groove (801) with piston (8), and the both sides of piston (8) are fixed cup joints respectively and are discharged pipe (6) and get into pipe (7), and under the initial condition, first siphunculus (3) lead to groove (801) and get into pipe (7) through one and switch on, and discharge pipe (6) switch on through another logical groove (801) through second siphunculus (4).

2. A peristaltic pump of claim 1, having a hose with a long service life, wherein: the middle part of piston (8) side fixedly connected with middle pivot (10), the one end of middle pivot (10) extends to in casing (1) and the fixed cover is equipped with driven gear (11), the top and the bottom of casing (1) side have all been blocked and have been separated locating joint (9), two one side of locating joint (9) is fixedly connected with second coupling (15) that are located the casing (1) outside respectively, and the fixed suit respectively of the one end of first siphunculus (3), second siphunculus (4) is in two second couplings (15), two the opposite side of locating joint (9) is fixedly connected with second siphunculus (4) that are located casing (1) inside respectively, two the rotatory pipe end of second siphunculus (4) is fixedly connected with first coupling (201) respectively, the fixed cover in two first couplings (201) respectively at the both ends of hose (2), one of them the fixed cover of link of first coupling (201) and second siphunculus (4) has been connect driven gear (12), and the outer edge of driven gear (12) and the outer edge meshing of driven gear (11), the top of casing (1) is equipped with driving gear (13), and the outer edge of driving gear (13) and the outer edge meshing of driven gear (12), the top of casing (1) still is equipped with step motor (14) that drive driving gear (13) are rotatory.

3. A peristaltic pump of claim 1, having a hose with a long service life, wherein: the sealing plug is arranged at the connecting surface of the positioning sleeve (5) and the shell (1), a certain gap is reserved between the sealing plug and the piston (8), a through hole between the sealing plug and the piston (8) is formed in the bottom of the positioning sleeve (5), and the sealing plug is movably sleeved with the outer side of the middle rotating shaft (10).

4. A peristaltic pump of claim 1, having a hose with a long service life, wherein: the side bearing of middle pivot (10) and casing (1) cup joints, and the one end of middle pivot (10) and the pump head of locating in casing (1) contactless.

Technical Field

The invention relates to the technical field of peristaltic pumps, in particular to a peristaltic pump with a long service life of a hose.

Background

The peristaltic pump is a peristaltic hose pump, and is widely applied to the chemical industry, the mining industry, the metallurgical industry, the paper making industry, the paint coating industry, the food industry, the ceramic industry, the petroleum industry, the water treatment industry, the pharmaceutical industry, the medical appliance industry and the like.

However, when the existing peristaltic pump is continuously used, the pump head always keeps rotating in one direction, namely the hose is continuously pushed in one moving direction, so that the contact part of the hose and the pump head moves towards one side to deform, the hose is clamped and fixed by the clamp, the contact part of the hose and the pump head can generate displacement accumulation relative to the hose, the displacement accumulation is more serious, the acting force in the hose is larger, and the service life of the hose is shortened.

Disclosure of Invention

The peristaltic pump with the long service life of the hose has the advantage of long service life of the hose, and solves the technical problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a peristaltic pump that hose life is high, includes the casing, and the inside of casing is equipped with the hose, and is equipped with the pump head that acts on the hose in the casing, the middle part fixedly connected with position sleeve of casing side, the both ends of hose are led to respectively has first siphunculus and second siphunculus, and the one end of first siphunculus and second siphunculus is cup jointed with position sleeve's top and bottom are fixed respectively, the movable sleeve is equipped with the piston in the position sleeve, it leads to the groove to have two in the piston to have seted up two in the piston, and leads to the groove with the axis symmetry of piston for two, and the both sides of piston are fixed respectively have been cup jointed the discharge pipe and get into the pipe, and under the initial state, first siphunculus leads to groove and gets into the pipe switch-on through another logical groove, and discharge pipe switch on.

Optionally, a middle rotating shaft is fixedly connected to the middle of the side surface of the piston, one end of the middle rotating shaft extends into the shell and is fixedly sleeved with a driven gear, positioning joints are respectively clamped at the top and the bottom of the side surface of the shell, one side of each of the two positioning joints is respectively and fixedly connected with a second pipe joint positioned outside the shell, one end of each of a first pipe and a second pipe is respectively and fixedly sleeved in the two second pipe joints, the other side of each of the two positioning joints is respectively and fixedly connected with a second pipe positioned inside the shell, the rotary pipe ends of the two second pipes are respectively and fixedly connected with a first pipe joint, the two ends of the hose are respectively and fixedly sleeved in the two first pipe joints, one of the connecting ends of the first pipe joint and the second pipe is fixedly sleeved with a driven gear, and the outer edge of the driven gear is meshed with the outer edge of the driven gear, the top of casing is equipped with the driving gear, and the outer edge of driving gear and driven gear's outer edge meshing, the top of casing still is equipped with the rotatory step motor of drive driving gear.

Optionally, a sealing plug is arranged at a connection surface of the positioning sleeve and the housing, a certain gap is reserved between the sealing plug and the piston, a through hole located between the sealing plug and the piston is formed in the bottom of the positioning sleeve, and the sealing plug is movably sleeved with the outer side of the middle rotating shaft.

Optionally, the side bearing of middle pivot and casing cup joints, and the one end of middle pivot with locate the pump head contactless in the casing.

The invention provides a peristaltic pump with a long service life of a hose, which has the following beneficial effects:

1. the peristaltic pump with long service life of the hose is characterized in that the first through pipe and the second through pipe are communicated through two ends of the hose, the piston in the positioning sleeve on the side surface of the shell is matched for rotating design, under the premise of not changing the liquid entering from the inlet conduit and discharging from the outlet conduit, the action direction of the pump head on the hose is changed at regular time, thereby effectively avoiding the problem that the hose is continuously pushed and extruded to one movement direction because the pump head is always kept when the prior peristaltic pump is used, the contact part of the hose and the pump head moves to one side for deformation, so that the contact part of the hose and the pump head generates displacement accumulation relative to the whole hose, and the longer the continuous working time of the peristaltic pump is, the more serious the displacement accumulation is, the larger the internal acting force of the hose is, so that the service life of the hose is shortened, and the service life of the peristaltic pump in long-time continuous use is prolonged.

2. This peristaltic pump that hose life is high, it is rotatory simultaneously with the one end of hose through the driving gear drive driven gear rotation, cooperation pump head rotation action is in the hose for the pump head changes to the effect face of hose, thereby has avoided the pump head to act on one side of hose all the time, leads to this side wear of hose to consume serious problem, has further improved the life of hose in the peristaltic pump, and then has improved the whole life of peristaltic pump.

Drawings

FIG. 1 is a schematic view of a cutaway configuration of the peristaltic pump of the present invention;

fig. 2 is a side sectional view of the piston of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a hose; 201. a first pipe joint; 3. a first through pipe; 4. a second pipe; 5. positioning the sleeve; 6. a discharge conduit; 7. entering a catheter; 8. a piston; 801. a through groove; 9. positioning the joint; 10. an intermediate rotating shaft; 11. a driven gear; 12. a driven gear; 13. a driving gear; 14. a stepping motor; 15. a second pipe joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a peristaltic pump with a long service life of a hose includes a housing 1, a hose 2 is disposed inside the housing 1, a pump head acting on the hose 2 is disposed in the housing 1, two ends of the hose 2 are respectively connected to a first through pipe 3 and a second through pipe 4, a positioning sleeve 5 is fixedly connected to a middle portion of a side surface of the housing 1, one ends of the first through pipe 3 and the second through pipe 4 are respectively and fixedly connected to a top portion and a bottom portion of the positioning sleeve 5, a piston 8 is movably sleeved in the positioning sleeve 5, referring to fig. 2, two through grooves 801 are disposed in the piston 8, the two through grooves 801 are symmetrical to an axis of the piston 8, a discharge conduit 6 and an intake conduit 7 are respectively and fixedly sleeved on two sides of the piston 8, and in an initial state, the first through pipe 3 is connected to the intake conduit 7 through one through groove 801, the second through pipe 4 is connected to the discharge conduit 6 through another through groove 801, when the peristaltic pump is in use, the flexible pipe 2 is alternatively extruded and released by clockwise rotation of the pump head, liquid enters from the inlet conduit 7, sequentially flows through one of the through grooves 801, the second through pipe 4, the flexible pipe 2 and the first through pipe 3, and is discharged from the discharge conduit 6 after passing through the other through groove 801, after the flexible pipe 2 is continuously extruded clockwise by the pump head for a period of time, the pump head is controlled to rotate anticlockwise, and simultaneously the piston 8 is controlled to rotate ninety degrees, so that the first through pipe 3 is communicated with the inlet conduit 7, and the discharge conduit 6 is communicated with the second through pipe 4, at the moment, the flexible pipe 2 is extruded and released by anticlockwise rotation of the pump head, the liquid still enters from the inlet conduit 7 and is discharged from the discharge conduit 6, on the premise that the liquid enters from the inlet conduit 7 and is discharged from the discharge conduit 6, the action direction of the flexible pipe 2 by the pump head is changed regularly, and the use of the existing peristaltic pump is effectively avoided, because of the pump head remains the rotation of a direction throughout, be about to hose 2 continuously pushes to a direction of motion, make the contact segment of hose 2 and pump head move deformation to one side, and hose 2 itself is because fixed by the centre gripping of anchor clamps, the contact segment that leads to hose 2 and pump head can produce the piling up of displacement for hose 2 self is whole, and peristaltic pump's continuous operating time is longer, the displacement is piled up just also more seriously, 2 internal force of hose is bigger, the problem that leads to the life reduction of hose, be favorable to improving the life-span when peristaltic pump uses in succession for a long time.

Referring to fig. 1, the middle portion of the side of the piston 8 is fixedly connected with an intermediate rotating shaft 10, one end of the intermediate rotating shaft 10 extends into the housing 1 and is fixedly sleeved with a driven gear 11, the top and the bottom of the side of the housing 1 are respectively blocked with a positioning joint 9, one side of each of the two positioning joints 9 is respectively and fixedly connected with a second pipe joint 15 positioned outside the housing 1, one end of each of the first pipe 3 and the second pipe 4 is respectively and fixedly sleeved in the two second pipe joints 15, the other side of each of the two positioning joints 9 is respectively and fixedly connected with a second pipe 4 positioned inside the housing 1, the rotating pipe ends of the two second pipes 4 are respectively and fixedly connected with a first pipe joint 201, the two ends of the hose 2 are respectively and fixedly sleeved in the two first pipe joints 201, the connecting end of one of the first pipe joint 201 and the second pipe 4 is fixedly sleeved with a driven gear 12, and the outer edge of the driven gear 12 is engaged with the outer edge of the driven gear 11, the top of the shell 1 is provided with a driving gear 13, the outer edge of the driving gear 13 is meshed with the outer edge of a driven gear 12, the top of the shell 1 is also provided with a stepping motor 14 for driving the driving gear 13 to rotate, the driving gear 13 is driven by the stepping motor 14 to drive the driven gear 12 to rotate, the driven gear 12 drives the driven gear 11 to rotate, so that the middle rotating shaft 10 drives the piston 8 to rotate, thereby controlling the piston 8 to rotate, further ensuring that liquid always enters from the inlet conduit 7 and is discharged from the outlet conduit 6 when the rotating direction of the pump head is changed, thereby ensuring the service life of the hose 2, and driving the driven gear 12 to rotate by the driving gear 13 and simultaneously rotating one end of the hose 2 to act on the hose 2 in cooperation with the rotation of the pump head, so that the acting surface of the pump head on the hose 2 is changed, thereby avoiding the situation that the pump head always acts on one side of the hose 2 on the hose 2, the side of the hose 2 is seriously worn and consumed, the service life of the hose 2 in the peristaltic pump is further prolonged, and the whole service life of the peristaltic pump is further prolonged.

Locating sleeve 5 is equipped with the sealing plug with casing 1's connection face department, and it has certain clearance to reserve between sealing plug and the piston 8, the through-hole that is located between sealing plug and the piston 8 is seted up to locating sleeve 5's bottom, the sealing plug cup joints with the outside activity of middle pivot 10, utilize the sealing plug to seal, the through-hole that the cooperation was seted up, after the peristaltic pump used very long period, if piston 8 appeared leaking with locating sleeve 5's binding face, let out leakage liquid and follow this through-hole department and flow, convenient to use personnel in time know, maintain and change, place simultaneously and leak the liquid and flow into and cause the pollution corrosion scheduling problem in the casing 1.

The side bearing of middle pivot 10 with casing 1 cup joints, ensures the rotatory stability of middle pivot 10 to better the transmission, and the one end of middle pivot 10 and the pump head contactless of locating in the casing 1 ensure that the rotation of middle pivot 10, driven gear 11 can not influence the rotation of pump head.

When the peristaltic pump is used specifically, firstly, the pump head is controlled to rotate clockwise, the pump head continuously extrudes and releases mechanical energy of the hose 2 to convey fluid in the hose 2, so that the fluid enters from the inlet conduit 7 and enters into the hose 2 from the second conduit 4, the fluid is conveyed into the first conduit 3 under the extrusion release action of the pump head and is finally discharged from the discharge conduit 6, after the peristaltic pump continuously works for a period of time, the pump head is controlled to rotate anticlockwise, meanwhile, the driving gear 13 is driven by the stepping motor 14 to rotate, so that the driving gear 13 drives the driven gear 12, the driven gear 11, the middle rotating shaft 10 and the piston 8 to rotate ninety degrees, the acting direction of the pump head on the hose 2 is changed into anticlockwise direction, the liquid still enters through the inlet conduit 7 and flows out from the discharge conduit 6, and after the rotation angle of one end of the hose 2 along with the driven gear 12 is increased, the cooperation pump head is to the squeezing action of hose 2 for hose 2 self takes place rotatoryly, changes the contact site of hose 2 self and pump head, so reciprocal, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.