CN218467800U - Peristaltic pump head pressing device - Google Patents

Abstract

The utility model discloses a peristaltic pump head pressing device, which comprises an outer frame, a plug board, a screw, a drive plate and a pressing plate, wherein the outer frame is arranged around the pump head, the outer frame forms a slot for the plug board to be inserted into, and the assembly of the outer frame and the plug board surrounds the pump head; the plug board is hollow, the drive plate is horizontally arranged in the plug board, a threaded hole for the screw to pass through is formed in the center of the drive plate, threads matched with the threaded hole are formed on the surface of the screw, and the drive plate rotates to enable the screw to move up and down along the shaft; the pressing plate is movably connected to the bottom end of the screw rod, and the screw rod moves up and down to drive the pressing plate to leave or contact the pump head. The utility model discloses a pump head outside sets up circle type structure parcel pump head, at the structural clamp plate that sets up of circle type, through the fixed pump head of clamp plate, makes its constrainment performance to the pump line invariable lastingly.

Description

Peristaltic pump head pressing device

Technical Field

The utility model relates to the field of machinary, in particular to peristaltic pump head closing device.

Background

The peristaltic pump is a liquid delivery pump, and when the peristaltic pump runs, fluid in a tube is driven to move by squeezing a pump tube, so that the fluid only contacts with the pump tube, and mutual pollution between a pump head and the fluid can be avoided; the common composition structure is as follows: a driver, a pump head, a pump tube; the operation principle is that the driver drives the pump head to rotate, the roller in the pump head extrudes the pump pipe, and the pump pipe deforms to extrude the fluid in the pump pipe and force the fluid to advance; when the pump head is rotatory, the pump pipe radial deformation can be ordered about to pump pipe extrusion force to the roller in it to the production is to radial motion's trend, therefore the pump head can set up an outside structure restraint pump pipe, and this outside structure bears the pump head roller periodic reciprocating's power, warp gradually, and then leads to the constraint performance decline to the pump pipe, makes peristaltic pump's pumping efficiency reduce.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem in the above-mentioned technique at least to a certain extent. Therefore, the utility model aims to provide a peristaltic pump head closing device through set up the ring type structure parcel pump head outside the pump head, sets up the clamp plate on the ring type structure, through the fixed pump head of clamp plate, makes its constrainment performance to the pump line lastingly invariable.

In order to achieve the above object, an embodiment of the present invention provides a peristaltic pump head pressing device, which includes an outer frame, an insertion plate, a screw, a driving plate, and a pressing plate, wherein the outer frame is disposed around a pump head, the outer frame forms a slot for the insertion plate to insert into, and a combination of the outer frame and the insertion plate surrounds the pump head; the insert plate is hollow, the drive plate is horizontally arranged in the insert plate, a threaded hole for the screw to pass through is formed in the center of the drive plate, threads matched with the threaded hole are formed on the surface of the screw, and the drive plate rotates to enable the screw to move up and down along an axis; the pressing plate is movably connected to the bottom end of the screw rod, and the screw rod moves up and down to drive the pressing plate to leave or contact the pump head.

According to the peristaltic pump head pressing device provided by the embodiment of the utility model, the outer frame is arranged around the pump head, the outer frame forms a slot for the insertion plate to insert, and the assembly of the outer frame and the insertion plate surrounds the pump head; the insertion plate is hollow, the drive plate is horizontally arranged in the insertion plate, a threaded hole for the screw to pass through is formed in the center of the drive plate, threads matched with the threaded hole are formed on the surface of the screw, and the drive plate rotates to enable the screw to move up and down along an axis; the pressure plate is movably connected to the bottom end of the screw rod, and the screw rod moves up and down to drive the pressure plate to leave or contact the pump head; the pump head is wrapped by the ring-shaped structure arranged outside the pump head, the pressing plate is arranged on the ring-shaped structure, and the pump head is fixed through the pressing plate, so that the constraint performance of the pump head on the pump pipe is lasting and constant.

In addition, according to the pump head pressing device of the peristaltic pump provided by the above embodiment of the present invention, the following additional technical features may also be provided:

optionally, the slot is a dovetail slot, and the insert plate is correspondingly provided with a dovetail.

Optionally, a pawl is arranged in the inserting plate, the driving plate is provided with teeth matched with the pawl, and the pawl is matched with the teeth to enable the driving plate to rotate unidirectionally.

Furthermore, a handle for screwing the screw rod is fixedly arranged at the upper end of the screw rod.

Furthermore, the screw rod and the driving plate are made of nylon materials.

Optionally, a buffer layer made of a flexible material is arranged on the inner surface of the outer frame.

Optionally, the clamp plate is horn shape with the horn mouth facing downwards, and the horn mouth is along the elastic contact bed course that is equipped with the silica gel material.

Furthermore, the horn-shaped inner part is provided with a sucker which can make the pressure plate adsorbed on the pump head.

Drawings

Fig. 1 is an application view according to an embodiment of the present invention;

fig. 2 is a front view of an embodiment in accordance with the present invention;

fig. 3 is a front view of another embodiment according to the present invention.

Description of reference numerals: the buffer layer comprises an outer frame 1, a buffer layer 11, an inserting plate 2, a screw rod 3, a handle 31, a driving plate 4 and a pressing plate 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The utility model has the advantages that the outer frame is arranged around the pump head, the outer frame forms a slot for inserting the plug board, and the assembly of the outer frame and the plug board surrounds the pump head; the plug board is hollow, the drive plate is horizontally arranged in the plug board, a threaded hole for the screw to pass through is formed in the center of the drive plate, threads matched with the threaded hole are formed on the surface of the screw, and the drive plate rotates to enable the screw to move up and down along an axis; the pressing plate is movably connected to the bottom end of the screw, and the screw moves up and down to drive the pressing plate 5 to leave or contact the pump head; the pump head is wrapped by the ring-shaped structure arranged outside the pump head, the pressing plate is arranged on the ring-shaped structure, and the pump head is fixed through the pressing plate, so that the constraint performance of the pump head to the pump pipe is lasting and constant.

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with the accompanying drawings and the specific embodiment.

Fig. 1 to 2 are according to the utility model discloses a peristaltic pump head closing device, including frame 1, picture peg 2, screw rod 3, driver plate 4 and clamp plate 5, frame 1 encircles the left and right and the downside setting of pump head, and the inside relative confession that forms in its left and right side picture peg 2 male slot, frame 1 with picture peg 2's assembly encircles the pump head. The ring-shaped structure formed by the outer frame 1 and the inserting plate 2 can be firmly sleeved on the pump head, and external force applied to the pump head can be uniformly distributed, so that the pump head structure is prevented from being damaged. The inserting plate 2 is hollow, the drive plate 4 is horizontally arranged in the inserting plate 2, a threaded hole for the screw rod 3 to penetrate through is formed in the center of the drive plate 4, threads matched with the threaded hole are formed in the surface of the corresponding screw rod 3, and the drive plate 4 rotates to enable the screw rod 3 to move up and down along an axis after being attached to the threaded hole; the space for accommodating the driving plate and other movable mechanisms is formed in the inserting plate 2, the opening for driving the driving plate 4 is arranged on the outer side, and the inserting plate 2 can be designed into a combined structure, so that the production and assembly are convenient, and the cleaning is easy. The pressing plate 5 is movably connected to the bottom end of the screw rod 3, and the screw rod 3 moves up and down to drive the pressing plate 5 to leave or contact the pump head. Optionally, the slot is a dovetail groove, and the insert plate 2 is correspondingly provided with a dovetail. Optionally, the pressing plate 5 is horn-shaped with a downward horn mouth, and the horn mouth edge is provided with an elastic contact cushion layer made of silica gel. Further, a sucker enabling the pressing plate 5 to be adsorbed on the pump head is arranged in the horn-shaped inner portion.

Fig. 3 is according to the utility model discloses another kind of peristaltic pump head closing device, according to the utility model discloses a peristaltic pump head closing device, including frame 1, picture peg 2, screw rod 3, driver plate 4 and clamp plate 5, frame 1 encircles the left and right and the downside setting of pump head, and its left and right side is inside to form relatively and supplies picture peg 2 male slot, frame 1 with the pump head is encircleed to picture peg 2's assembly. The ring-shaped structure formed by the outer frame 1 and the inserting plate 2 can be firmly sleeved on the pump head, and external force applied to the pump head can be uniformly distributed, so that the pump head structure is prevented from being damaged. The insert plate 2 is hollow, the drive plate 4 is horizontally arranged in the insert plate 2, a threaded hole for the screw rod 3 to penetrate through is formed in the center of the drive plate 4, and the drive plate 4 rotates to enable the threaded hole to enable the screw rod 3 to move up and down along an axis; the space for accommodating the driving plate and other movable mechanisms is formed in the inserting plate 2, the opening for shifting the driving plate 4 is formed in the outer side, and the inserting plate 2 can also be designed into a combined structure, so that the production and the assembly are convenient, and the cleaning is easy. The pressing plate 5 is movably connected to the bottom end of the screw rod 3, and the screw rod 3 moves up and down to drive the pressing plate 5 to leave or contact the pump head. Optionally, the slot is a dovetail groove, and the insert plate 2 is correspondingly provided with a dovetail.

Optionally, a pawl is arranged in the inserting plate 2, the driving plate 4 is provided with teeth matched with the pawl, and the pawl is matched with the teeth to enable the driving plate 4 to rotate in a single direction. Further, a handle 31 for screwing the screw rod 3 is fixedly arranged at the upper end of the screw rod 3. Furthermore, the screw rod 3 and the driving plate 4 are made of nylon materials. Optionally, a buffer layer 11 made of a flexible material is disposed on an inner surface of the outer frame 1. The matching of the pawl and the teeth can better resist the reciprocating load transmitted by the pump head and reduce the possibility of backward loosening of the screw rod 3, the loosening mechanism of the pawl is arranged on the handle 31, the purpose is that the loosening mechanism of the pawl is complex, the pressing plate 5 can be loosened by directly reversely rotating the handle 31, and for the mechanism, the ratchet type loosening mechanism is simple and easy to use and is suitable for cost control.

Optionally, the pressing plate 5 is horn-shaped with a downward horn mouth, and the horn mouth edge is provided with an elastic contact cushion layer made of silica gel. Further, a sucker enabling the pressing plate 5 to be adsorbed on the pump head is arranged in the horn-shaped inner portion.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (8)

1. The utility model provides a peristaltic pump head closing device which characterized in that: the automatic pump comprises an outer frame, an inserting plate, a screw, a driving plate and a pressing plate, wherein the outer frame is arranged around a pump head, the outer frame forms a slot for the inserting plate to insert into, and a combination of the outer frame and the inserting plate surrounds the pump head; the insertion plate is hollow, the drive plate is horizontally arranged in the insertion plate, a threaded hole for the screw to pass through is formed in the center of the drive plate, threads matched with the threaded hole are formed on the surface of the screw, and the drive plate rotates to enable the screw to move up and down along an axis; the pressing plate is movably connected to the bottom end of the screw rod, and the screw rod moves up and down to drive the pressing plate to leave or contact the pump head.

2. The compressing device for the pump head of the peristaltic pump as claimed in claim 1, wherein: the slot is the dovetail, the picture peg corresponds is equipped with the forked tail.

3. The compressing device for the pump head of the peristaltic pump as claimed in claim 1, wherein: the drive plate is characterized in that a pawl is arranged in the insert plate, teeth matched with the pawl are arranged on the drive plate, and the pawl is matched with the teeth to enable the drive plate to rotate unidirectionally.

4. A peristaltic pump head pressing device as claimed in claim 3, wherein: and the upper end of the screw rod is fixedly provided with a handle for screwing the screw rod.

5. The compressing device for the pump head of the peristaltic pump as claimed in claim 4, wherein: the screw rod and the driving plate are made of nylon materials.

6. The compressing device for the pump head of the peristaltic pump as claimed in claim 1, wherein: the inner surface of the outer frame is provided with a buffer layer made of flexible materials.

7. The compressing device for the pump head of the peristaltic pump as claimed in claim 1, wherein: the clamp plate is horn shape down for the horn mouth, and the horn mouth is along the elastic contact bed course that is equipped with the silica gel material.

8. The compressing device for the pump head of the peristaltic pump as claimed in claim 7, wherein: the inside sucking disc that can make the clamp plate adsorb in the pump head that is equipped with of horn shape.

Images