CN207660809U - Peristaltic pump - Google Patents

Abstract

The peristaltic pump of the utility model, including：Shell with upper cover and lower cover, it is set to the inside of shell and by the pump head of driver rotation driving, the chamber lid of cavity is formed set on enclosure interior and with pump head, and the pump line installing port on shell, being provided in chamber lid can be across the Lock spring of upper cover button outstanding and locking press button, the biasing springs abutted with upper cover are provided in shell, when upper cover is closed, biasing springs are in compressive state, button is held in lock-out state by Lock spring, after pressing button, Lock spring unlocks, upper cover boosts upwards under the action of biasing springs, it is detached with lower cover and is accordingly changed into opening state.According to the utility model, compact peristaltic pump structure can be formed, it is simple and convenient, reduce manufacturing cost, easy to repair and maintenance.

Description

Peristaltic pump

Technical field

The utility model is related to a kind of peristaltic pumps.

Background technology

In current, there are many peristaltic pump products of type in the market, are applied to chemical industry, food, medicine and other fields, master It alternately to be squeezed and be discharged to pump fluid by the elastic delivery hose to pump, there is small, pollution-free, precision Height, stability are good, good airproof performance, safeguard the advantages that simple and readily replaceable pump line.Specifically, peristaltic pump passes through in two rollers One section of pump line between son forms pincushion fluid, and the body of pincushion fluid is determined by the internal diameter of pump line and the geometric properties of rotor Product determines flow by the number of the rotating speed of pump head, pincushion size, the pincushion of rotor every revolution generation.

In view of it is above the advantages that, peristaltic pump is widely used in dental field, is also frequently necessary to make peristaltic pump to execute specified Function is cooled down and is rinsed out in gear division operation for example, conveying the coolant liquids such as physiological saline or thimerosal to oral cavity by peristaltic pump Clast etc..However, existing peristaltic pump system includes driver, pump head and pump line, pump head frequently with along motor output shaft to The design of two bearings is set before and after rotor, pump head structure is complicated, manufacturing cost and technological requirement it is higher and if passing through OEM （Original Equipment/Entrusted Manufacture；Original equipment manufacturer/source area consigned processing）Or ODM （Original design manufacture；Original design quotient）Peristaltic pump finished product is provided, cost generally also can be very high.

Utility model content

Utility model will solve the problems, such as：

In view of the problem present on, the technical problem to be solved by the utility model is to provide a kind of compact-sized, Conveniently sandwich pump line, Operation and Maintenance is simple and lower-cost peristaltic pump.

The means solved the problems, such as：

In order to solve the above-mentioned technical problem, the peristaltic pump of the utility model, including：Shell with upper cover and lower cover, if Be placed in the inside of the shell and by the driver rotation driving pump head, be disposed in the housing portion and with the pump head shape Pump line installing port at the chamber lid of cavity, and on the shell, be provided in the chamber lid can across the upper cover and Button outstanding and the Lock spring for locking the button are provided with the biasing springs abutted with the upper cover in the shell, When the upper cover is closed, the biasing springs are in compressive state, and the Lock spring keeps the button In lock-out state, after pressing the button, Lock spring unlock, the upper cover under the action of biasing springs to On boost, detached with the lower cover and be accordingly changed into opening state.

According to the utility model, by being formed as above structure, compact peristaltic pump structure can be formed, and only passes through one A button can easily realize the folding of the pump housing, and not only structure very simple is convenient, moreover it is possible to manufacturing cost be greatly lowered, and just In repair and maintenance, in addition, can also replace various sizes of pump line at any time according to different demands, increase the applicability of peristaltic pump.

Also, in the present invention, can also be, the pump head includes having multiple one-to-one rollers and shaft Rotor and the screw being fixed on the rotor on driver.According to the utility model, two ends of rotor is without ball bearing Design so that overall diagram is simple in structure.

Also, in the present invention, can also be, the rotor be formed as in multiple rollers insert respectively have it is multiple The structure of the rotor is fixed at the shaft, the both ends of the shaft.According to the utility model, roller and shaft are small―gap suture Cooperation, and the mounting hole of shaft and rotor is interference fit, is not necessarily to other tightening mechanism.

Also, in the present invention, can also be, the enclosure interior is formed with the boss engaged with the button.

Also, in the present invention, can also be to be respectively formed as tiltedly in the specified position of the boss and the button Face.According to the utility model, by being respectively formed as inclined-plane, it can be easy to carry out the engaging of upper cover, reduce boss and button Abrasion.

Also, in the present invention, can also be, the material of the rotor is plastics, and the material of the roller is plastics, The material of the shaft is stainless steel.According to the utility model, manufacturing cost can be greatly lowered, and total quality is light, Rotary inertia is small, reduces energy consumption.

Also, in the present invention, can also be, the Lock spring is torque spring, and the biasing springs are compression Spring.According to the utility model, used spring is all that low cost manufactures type well.

Utility model effect：

Peristaltic pump according to the present utility model can be formed as removable after one-touch by the design of compact and is divided into Two-part structure, it is not only easy to operate so as to easily realize the quick-clamping of pump line, also significantly reduce production Cost, can the extensive use in technique productions.According to following specific implementation modes and refer to the attached drawing, it is better understood with this practicality Novel the above and other objects, features and advantages.

Description of the drawings

Fig. 1 is the stereogram of peristaltic pump closed state according to the present utility model；

Fig. 2 is the structural schematic diagram of the rotor of peristaltic pump shown in FIG. 1；

Fig. 3 is the sectional view of the central shaft cutting along rotor shown in Fig. 2；

Fig. 4 is the structural schematic diagram of peristaltic pump opening state shown in FIG. 1；

Fig. 5 be peristaltic pump shown in Fig. 4 along the sectional view of A-A；

Symbol description：

1 peristaltic pump；

2 shells；

21 upper covers；

22 lower covers；

3 drivers；

4 pump heads；

41 rotors；

42 rollers；

43 shafts；

44 screws；

5 chamber lids；

6 buttons；

61 boss；

7 Lock springs；

8 biasing springs；

9 pump line installing ports.

Specific implementation mode

The utility model is further illustrated below in conjunction with attached drawing and following embodiments, it should be appreciated that attached drawing and following implementations Mode is merely to illustrate the utility model, and unrestricted the utility model.Identical in the various figures or corresponding reference numeral indicates The same part, and omit repeated explanation.The utility model is further described below in conjunction with specific implementation form.

In this implementation form, Fig. 1 is the stereogram of peristaltic pump closed state according to the present utility model, and Fig. 2 is shown in Fig. 1 Peristaltic pump rotor structural schematic diagram, Fig. 3 is the sectional view of the central shaft cutting along rotor shown in Fig. 2, and Fig. 4 is to show The structural schematic diagram of peristaltic pump opening state shown in FIG. 1.Peristaltic pump 1 includes：Shell 2 with upper cover 21 and lower cover 22, if The chamber lid 5 for being set to 2 inside of shell by the pump head 4 of the rotation driving of driver 3 and forming cavity with pump head 4 is placed in inside shell 2, And the pump line installing port 9 on shell 2.

Specifically, as shown in Figures 2 and 3, pump head 4 includes the rotor for having multiple one-to-one rollers 42 and shaft 43 41 and the screw 44 that is fixed on rotor 41 on driver.Wherein, insert has 43 shape of multiple shafts respectively in multiple rollers 42 As roll shaft, rotor 41 is fixed at the both ends of shaft 43.Since rotor 41 is fixed on by screw 44 on driver 3, work as When the rotation driving of driver 3, rotor 41 also rotates therewith.

As shown in Figure 4 and Figure 5, chamber lid 5 is accordingly sticked on pump head 4, can clamping pump line to be formed（Illustration omitted） Cavity, specifically, opening of the pump line from 22 side of lower cover（That is the pump line installing port 9 of side）It is inserted into, break-through rotor 41 and chamber Cavity space between lid 5, then the opening from 22 other side of lower cover（That is the pump line installing port 9 of the other side）It is pierced by, when work, pump Circulation has required liquid in pipe, and such as above-mentioned, rotor 41 rotates under the drive of driver 3, the roll shaft being fixed on rotor 41 With rotor 41 rotate, to make the size periodically-varied of the cavity space between rotor 41 and chamber lid 5, as a result, break-through in Fluid in the pump line of the cavity space is regularly squeezed with the driving of driver 3 by the roll shaft on rotor 41.That is, logical It crosses and the pump line in peristaltic pump 1 is alternately squeezed and is discharged to pump fluid.

In this implementation form, the quantity of roller and shaft is respectively 4, but is not limited to this, can according to specific requirements and Change, roll shaft is fewer, and relative discharge is bigger, and fluid pulsation amplitude is bigger in pump line.In addition, between roller 42 and chamber lid 5 Gap, i.e., pressing pump line dynamics can be finely tuned by known way, to adapt to the hose and different pressures demand of different wall thickness. In addition, for manufacturing cost is greatly lowered, the material of rotor 41 can be plastics, such as POM, and the material of roller 42 can be modeling The material of material, such as POM, shaft 43 can be stainless steel, such as SUS304, but material is not limited to this.With this, can significantly drop Low manufacturing cost, it is easy to produce and applicable.

In addition, pump line preferably has the hose of certain elasticity, to restore shape rapidly after radially compressed, more preferably With certain wearability, good air-tightness, and with the ability of pressure is centainly born, more preferably have adsorptivity it is low, The advantages such as temperature tolerance is good, non-aging, non-swelling, anticorrosive, precipitate is low.

Fig. 4 is the structural schematic diagram for showing peristaltic pump opening state shown in FIG. 1, and Fig. 5 is peristaltic pump shown in Fig. 4 along A- The enlarged partial sectional view of A.The open-and-close mechanism of the peristaltic pump 1 of the utility model is described in detail below in conjunction with attached drawing 4 and Fig. 5.

As shown in Figure 4 and Figure 5, being provided in chamber lid 5 can be from the locking bullet of 21 button 6 outstanding and locking press button 6 of upper cover Spring 7 is provided with the biasing springs 8 abutted with upper cover 21 in shell 2.As shown in figure 5, the inside of shell 2 is formed with for locking Boss 61, engage for the button 6 that is locked with locked spring 7.

Specifically, when upper cover 21 is closed, button 6 is held in lock-out state by Lock spring 7, same with this When, button 6 engages to fix with boss 61 upper cover 21 with anti-detachment, this moment biasing springs 8 in upper cover 21 by pressure In compressive state.After pressing button 6, Lock spring 7, which is under pressure, generates elastic deformation to unlock, while button 6 generates Physical deformation and release snap-fit relationship with boss 61, be pushed up under the action of biasing springs 8 to upper cover 21, with lower cover 22 separation are accordingly changed into opening state.Under the opening state, it can be easily removed chamber lid 5, the pump head 4 being arranged inside lower cover reveals Go out.At this point it is possible to be inserted into pump line from pump line installing port 9 very conveniently.

Then, chamber lid 5 is relay to put back into shell 2 and forms cavity with pump head 4, cavity is built-in to accompany pump line, at this time chamber Button 6 in lid 5 is locked spring 7 and locks again, upper cover 21 is then closed, in the mechanical snap-in function of button 6 and boss 61 Under, upper cover 21 is fixed in closed state again, while chamber lid 5 is also capped 21 fixations.Then, when rotor 42 is by driver 3 When rotation driving, roll shaft thereon is close at predetermined intervals or abuts the corresponding inner surface of chamber lid 5, periodically squeezes Pump line is achieved the work of peristaltic pump to form underbalance pulse.

In this implementation form, Lock spring 7 is torque spring, and biasing springs 8 are compressed spring, but not limited to this, as long as It can realize the mechanism of identical function.Also, being respectively formed as inclined-plane in the specified position of boss 61 and button 6, again with this It can be easy to carry out the engaging of upper cover 21 when engaging, reduce the abrasion of boss 61 and button 6.But specific form is without being limited thereto, Also may be used for example, being formed as arc-shaped.

During routine use, since pump line should be replaced as possible after long-time use, otherwise liquid can from pump line rainwater in puddles go out The rotor 41 of inflow pump head 4 causes pump head 4 to block or damage in waiting.Therefore, pump line in use will be according to peristaltic pump Specifically used frequency is replaced in time, or often moves position.And peristaltic pump 1 according to the present utility model is by one-touch Removable housing parts easily replace pump line from pump line installing port 9, are not only easy to manufacture, it is easier to maintain.

By being formed as above structure, compact pump configuration can be formed, and only can easily be realized by a button 6 The folding of pump configuration, not only very simple is convenient, moreover it is possible to manufacturing cost, and easy to repair and maintenance be greatly lowered, in addition, also Various sizes of pump line can be replaced at any time according to different demands, increase the applicability of peristaltic pump, and due to removing after upper cover 21 again It is inserted into pump line, can be damaged to avoid pump line overbending, pump tube age is extended.

Peristaltic pump according to the present utility model can be formed as removable after one-touch by the design of compact and is divided into Two-part structure, it is not only easy to operate so as to easily realize the quick-clamping of pump line, also significantly reduce production Cost, can the extensive use in technique productions.

Above specific implementation mode has carried out further in detail the purpose of this utility model, technical solution and advantageous effect It describes in detail bright, it should be appreciated that these are only a kind of specific implementation mode of the utility model, however it is not limited to which this practicality is new The protection domain of type, under the objective for the essential characteristic for not departing from the utility model, the utility model can be presented as diversified forms, Therefore the implementation form in the utility model is to be illustrative rather than definitive thereof, since the scope of the utility model is limited by claim Determine rather than limited by specification, and falls the institute in the full scope of equivalents of the range defined in claim or its range defined It changes and is understood to be included in the claims.Within the spirit and principle of the utility model, it is made Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of peristaltic pump, which is characterized in that including：

Shell with upper cover and lower cover,

The pump head for being set to the inside of the shell and being driven by driver rotation,

The chamber lid of cavity is formed set on the inside of the shell and with the pump head, and

Pump line installing port on the shell,

Being provided in the chamber lid across the upper cover and button outstanding and can lock the Lock spring of the button,

The biasing springs abutted with the upper cover are provided in the shell,

When the upper cover is closed, the biasing springs are in compressive state, and the Lock spring is by the button It is held in lock-out state, after pressing the button, the Lock spring unlock, effect of the upper cover in the biasing springs It boosts upwards down, is detached with the lower cover and be accordingly changed into opening state.

2. peristaltic pump according to claim 1, which is characterized in that

The pump head includes having the rotor of multiple one-to-one rollers and shaft and the rotor being fixed on driver On screw.

3. peristaltic pump according to claim 2, which is characterized in that

The rotor, which is formed as inserting respectively in multiple rollers, has multiple shafts, the both ends of the shaft to be fixed on institute State the structure of rotor.

4. peristaltic pump as claimed in any of claims 1 to 3, which is characterized in that

The inside of the shell is formed with the boss engaged with the button.

5. peristaltic pump according to claim 4, which is characterized in that

It is respectively formed as inclined-plane in the specified position of the boss and the button.

6. peristaltic pump according to claim 2, which is characterized in that

The material of the rotor is plastics, and the material of the roller is plastics, and the material of the shaft is stainless steel.

7. peristaltic pump according to claim 1, which is characterized in that

The Lock spring is torque spring, and the biasing springs are compressed spring.