CN219654859U - Peristaltic pump of easy equipment - Google Patents
Peristaltic pump of easy equipment Download PDFInfo
- Publication number
- CN219654859U CN219654859U CN202320362394.XU CN202320362394U CN219654859U CN 219654859 U CN219654859 U CN 219654859U CN 202320362394 U CN202320362394 U CN 202320362394U CN 219654859 U CN219654859 U CN 219654859U
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- peristaltic pump
- worm
- assembly
- pump
- transmission
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000011900 installation process Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to an easily assembled peristaltic pump, which is used for fluid transmission and is easy to realize automatic installation. According to the utility model, the fixing plate is arranged between the pump head assembly and the driving assembly of the peristaltic pump and is used for buckling and positioning the transmission fittings of the pump head and the driving device of the peristaltic pump, so that the overall structure of the miniature peristaltic pump is more compact, the installation is convenient, and the peristaltic pump is more suitable for intelligent and automatic production.
Description
Technical Field
The utility model relates to a peristaltic pump device, in particular to an assembling structure of a peristaltic pump, and particularly relates to an easily assembled peristaltic pump.
Background
With the development of the civilization of human science and technology, the intelligent and automatic production of products is an important factor for improving the production efficiency and the market competition of the products. The peristaltic pump has the characteristics of low running noise, simple and convenient operation, stable performance, power-off data storage, large flow, timing and the like, is widely applied to the fields of cleaning, medicine, food, chemical industry and the like, and the traditional peristaltic pump product is suitable for modern intelligent products, particularly a microminiature peristaltic pump structure, has higher and higher requirements on flow precision design, and has urgent requirements in the aspect of realizing mass automatic production.
In order to achieve the miniaturization of the miniature peristaltic pump and the automatic simple assembly requirement of the peristaltic pump, the utility model is improved as follows.
Disclosure of Invention
The utility model aims to provide a peristaltic pump easy to assemble, and the technical scheme is as follows:
an easily assembled peristaltic pump, is used for the peristaltic pump (10) of fluid transmission easy realization automation installation, including pump head assembly (11) and drive assembly (12), pump head assembly (11) include pump head chamber casing (111), and set up in gyro wheel assembly (114) and hose (112) and coupling (113) in pump head chamber casing (111), drive assembly (12) include drive chamber casing (121), motor (122), and drive gear (123), drive assembly (12) rotary drive gyro wheel assembly (114) extrusion hose (112) fluid flow transmission, characterized by still includes fixing base (20), the two face of fixing base (20) are respectively adapted to the junction surface between pump head assembly (11) and drive assembly (12) is fixed; wherein the transmission gear (123) is in rotary transmission connection with the roller assembly (114) through a transmission rod (116) penetrating through the through hole (21). In the driving component of the peristaltic pump, the motor is driven by a gear to rotate and drive the roller component of the peristaltic pump head structure, and the roller rotates and extrudes fluid flow in the hose to realize pumping and transferring of the fluid.
Further, a first buckle (115) and a second buckle (125) are arranged between the pump head assembly (11) and the driving assembly (12) for clamping and fixing connection; the first buckle (115) and the second buckle (125) are arranged on the outer side of the pump shell, are two groups of clamping structures which are clamped into two pairs, and are fixed with screws (13) arranged on the opposite sides of the cavity of the pump shell to form a stable triangular stable fixing structure. The fixing base (131) of the screw (13) is arranged in the pump head cavity shell (111) and is matched with the screw hole (132) arranged in the transmission cavity shell (121) to form a screw fixing structure.
Further, the transmission gear (123) is a matching structure of the worm wheel (1231) and the worm (1232), wherein the fixing base (20) and the transmission cavity shell (121) are matched to form a fixing cavity of the worm wheel (1231) and the worm (1232). After the motor drives the worm to rotate, the worm and the worm wheel are meshed to drive the roller device to rotate.
Further, a first worm gear cavity (126) is arranged in the transmission cavity shell (121), and a second worm gear cavity (22) is arranged at the periphery of the through hole (21) of the fixing seat (20). The worm wheel is in rotary transmission connection through a transmission rod (23) penetrating through the through hole (21), so that the driving component (12) drives the rollers of the peristaltic pump to rotate.
Further, a first worm mounting bracket (127) is arranged in the transmission cavity shell (121), and a second worm mounting bracket (23) is arranged on the plate surface of the fixed seat (20). The support mounting surface of the fixing seat is also provided with a groove for limiting the worm, so that the worm gear is more convenient to position and prevent from shifting in the mounting process.
Further, the first worm mounting bracket (127) further comprises a bearing device, the bearing device comprises a bearing (124) for sleeving and fixing the worm end, a bearing seat (1271) and a yielding groove (1272) of the bearing seat (1271), and the yielding grooves (1272) are arranged at the end part, far away from the worm, of the bearing seat (1271) side by side. In the installation process, the motor and the worm are installed in a moving space with a certain gap, so that the peristaltic pump is simply assembled, and the eccentricity of the bearing and the worm caused by small errors of the size of the base cannot be caused, so that the motor is blocked or the current is large.
Furthermore, the bearing seat (1271) is provided with a U-shaped or wedge-shaped clamping groove and is used for installing and fixing the bearing (124); the U-shaped or wedge-shaped clamping groove arranged on the bearing seat (1271) is matched with the U-shaped or wedge-shaped clamping groove arranged on the second worm mounting bracket (23) for fixing and combining.
Further, the transmission rod (116) is an external spline toothed rod arranged on the end face of the roller assembly (114), and is in matched engagement with an internal spline toothed seat arranged at the center of a gear of the transmission gear (123), wherein each convex tooth of the contact part of the external spline toothed rod and the end face of the internal spline toothed seat is a symmetrical wedge-shaped tip part, and the convex tooth can be inserted and installed at any angle in the combined installation process.
Further, a hose fixing seat (24) for fixing the pipe joint (113) is arranged on the surface, close to the pump head assembly (11), of the fixing seat (20).
Further, the motor locking device also comprises a window (1281) which is arranged on the transmission cavity shell (121) and used for locking the motor, and a sealing plate (25) which is arranged on the fixed seat (20). The window (1281) and the sealing plate (25) can be arranged as U-shaped small windows and are fixedly guided into the clamping way through the clamping strips and the guide grooves.
According to the technical scheme, the peristaltic pump easy to assemble has the following beneficial effects: through set up the fixed plate between peristaltic pump's pump head subassembly and drive assembly for the transmission accessory of lock location peristaltic pump head and drive arrangement makes microminiature peristaltic pump's overall structure compacter, simple to operate, more is fit for intelligent and automated production.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a peristaltic pump according to a preferred embodiment of the present utility model;
FIG. 2 is an exploded schematic view of a peristaltic pump structure according to a preferred embodiment of the present utility model;
FIG. 3 is an exploded bottom view of a peristaltic pump structure according to a preferred embodiment of the present utility model;
FIG. 4 is an exploded top view of a peristaltic pump structure according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic view of a fixing base of a peristaltic pump according to a preferred embodiment of the present utility model;
FIG. 6 is another schematic side view of the holder structure of the peristaltic pump according to the preferred embodiment of the present utility model;
FIG. 7 is an exploded view of the drive assembly of the peristaltic pump of the preferred embodiment of the present utility model;
FIG. 8 is a schematic view of the driving chamber housing of the peristaltic pump according to the preferred embodiment of the present utility model;
FIG. 9 is a schematic view showing a driving chamber housing according to another embodiment of the present utility model;
FIG. 10 is a schematic view of the pump head housing of the peristaltic pump according to the preferred embodiment of the present utility model;
FIG. 11 is a schematic view of the overall mounting and fixing structure of the peristaltic pump according to the preferred embodiment of the present utility model;
FIG. 12 is an alternative angular exploded view of a peristaltic pump according to a preferred embodiment of the present utility model;
FIG. 13 is an enlarged schematic view of A-A of FIG. 3;
fig. 14 is an enlarged schematic view of a portion B-B of fig. 4.
Description of the embodiments
The utility model will be further described with reference to the drawings and detailed description.
As shown in fig. 1 to 12, an easily assembled peristaltic pump, a microminiature peristaltic pump 10 for fluid transmission, which is easy to realize automatic installation, comprises a pump head assembly 11 and a driving assembly 12, wherein the pump head assembly 11 comprises a pump head cavity shell 111, a roller assembly 114 and a hose 112 which are arranged in the pump head cavity shell 111, and a pipe joint 113 thereof, the driving assembly 12 comprises a transmission cavity shell 121, a motor 122 and a transmission gear 123, the driving assembly 12 rotationally drives the roller assembly 114 to squeeze fluid flow transmission in the hose 112, and further comprises a fixing seat 20, and two plate surfaces of the fixing seat 20 are respectively adapted to be fixed on a connecting surface between the pump head assembly 11 and the driving assembly 12; wherein the drive gear 123 is in rotational driving connection with the roller assembly 114 by means of a drive rod 116 passing through the through hole 21. In the driving component of the peristaltic pump, the motor is driven by a gear to rotate and drive the roller component of the peristaltic pump head structure, and the roller rotates and extrudes fluid flow in the hose to realize pumping and transferring of the fluid.
As shown in fig. 11, a first buckle 115 and a second buckle 125 are arranged between the pump head assembly 11 and the driving assembly 12 for clamping and fixing connection; the first buckle 115 and the second buckle 125 are arranged at the outer side of the pump housing, are two groups of clamping structures which are clamped into two pairs, and are fixed with screws 13 arranged at the opposite sides in the cavity of the pump housing to form a stable triangular stable fixing structure. The fixing base 131 of the screw 13 is disposed in the pump head cavity housing 111, and is adapted to the screw hole 132 disposed in the transmission cavity housing 121, so as to form a screw fixing structure.
As shown in fig. 4 and 7, the transmission gear 123 is a matching structure of the worm wheel 1231 and the worm 1232, wherein the fixing base 20 and the transmission cavity housing 121 are matched to form a fixing cavity of the worm wheel 1231 and the worm 1232. After the motor drives the worm to rotate, the worm and the worm wheel are meshed to drive the roller device to rotate.
As shown in fig. 2 and 6, a first worm gear cavity 126 is disposed in the transmission cavity housing 121, and a second worm gear cavity 22 is disposed around the through hole 21 of the fixing base 20. The worm wheel is in rotary transmission connection through a transmission rod 23 penetrating through the through hole 21, so that the driving assembly 12 drives the rollers of the peristaltic pump to rotate.
As shown in fig. 6, 8 and 9, a first worm mounting bracket 127 is disposed in the transmission cavity housing 121, and a second worm mounting bracket 23 is disposed on the plate surface of the fixing base 20. As shown in fig. 6, the second worm mounting bracket 23 of the fixing base 20 is further provided with a worm adaptation groove 26 for preventing the displacement of the worm gear during the positioning and mounting process in the mounting process.
As shown in fig. 7, 8 and 9, the first worm mounting bracket 127 further comprises a bearing device, wherein the bearing device comprises a bearing 124 for sleeving and fixing the worm end, a bearing seat 1271 and a yielding groove 1272 thereof, and the yielding groove 1272 is arranged on the end of the bearing seat 1271 far away from the worm in parallel. In two different embodiments, as shown in fig. 8 and 9, the bearing housing 1271 is provided as a U-shaped or wedge-shaped slot for mounting and securing the bearing 124. The structure in fig. 8 is a U-shaped slot structure, and the structure in fig. 9 is a unitary structure. As shown in fig. 6, the U-shaped or wedge-shaped catch groove provided by the bearing housing 1271 is adapted to be fixedly combined with the U-shaped or wedge-shaped catch groove provided by the second worm mounting bracket 23.
In the installation process, the motor and the worm are installed in a moving space with a certain gap, so that the eccentricity of the bearing and the worm can not be caused by the small error of the size of the base, and the motor is blocked or the current is larger. The width and depth of the U-shaped groove are slightly larger than the outer diameter of the bearing, the bearing is provided with a certain movable space in the U-shaped groove, and the fixing plate can swing and move along with the tail end of the worm before being assembled and fixed. As shown in fig. 8, the U-shaped groove is configured as a flexible clamping plate structure, and after the fixing plate is installed, the second fixing seat of the fixing plate pushes the flexible clamping plate to deform to clamp the bearing. The U-shaped groove and the wedge block jointly act to fix the bearing, the concentricity requirement of the bearing and the worm is guaranteed under the condition that the form and position tolerance of the bearing fixing seat is very low, the motor runs smoothly and is not blocked, and finally the purposes of reducing the precision of parts and improving the assembly precision are achieved
As shown in fig. 3 and 4, fig. 13 and 14, the transmission rod 116 is an external spline toothed rod arranged on the end surface of the roller assembly 114, and is in matching engagement with an internal spline toothed seat arranged at the center of a gear of the transmission gear 123, the external spline toothed rod teeth 1161 of the transmission rod 116 are in matching engagement with the internal spline toothed teeth 1234 of the internal spline toothed seat 1233, the end surface contact part of each of the external spline toothed rod teeth 1161 and the internal spline toothed teeth 1234 is provided with symmetrical wedge-shaped tip parts, and the inclined surfaces of the wedge-shaped tip parts form smooth leading-in surfaces, so that the peristaltic pump can be inserted and installed at any angle in the combined installation process.
As shown in fig. 5 and 12, a hose holder 24 for holding a pipe joint 113 is provided on the plate surface of the holder 20 near the pump head assembly 11. The hose fixing base 24 is matched with a clamping groove arranged on the pump head shell 111, and is set as a complete hose fixing base.
As shown in fig. 12, the motor locking device further comprises a window 1281 arranged on the transmission cavity housing 121 and used for locking the motor, and a sealing plate 25 arranged on the fixed seat 20. The window 1281 and the sealing plate 25 can be provided as U-shaped small windows and are fixedly guided into the clamping way through clamping strips and guide grooves.
The above is one embodiment of the present utility model. In addition, it should be noted that all equivalent or simple changes of the structure, features and principles described in this patent conception are included in the scope of the present patent.
Claims (10)
1. The peristaltic pump easy to assemble comprises a pump head assembly (11) and a driving assembly (12), wherein the pump head assembly (11) comprises a pump head cavity shell (111), a roller assembly (114) and a hose (112) which are arranged in the pump head cavity shell (111), and a pipe joint (113) thereof, the driving assembly (12) comprises a transmission cavity shell (121), a motor (122) and a transmission gear (123), the driving assembly (12) rotationally drives the roller assembly (114) to squeeze fluid in the hose (112) for flow transmission, and the peristaltic pump is characterized by further comprising a fixing seat (20), and two plate surfaces of the fixing seat (20) are respectively matched with a connecting surface between the pump head assembly (11) and the driving assembly (12); wherein the transmission gear (123) is in rotary transmission connection with the roller assembly (114) through a transmission rod (116) penetrating through the through hole (21).
2. The peristaltic pump of claim 1 characterized in that said pump head assembly (11) and drive assembly (12) are fixedly connected by a first snap (115) and a second snap (125); the first buckle (115) and the second buckle (125) are arranged on the outer side of the pump shell, are two groups of clamping structures which are clamped into two pairs, and are fixed with screws (13) arranged on the opposite sides of the cavity of the pump shell to form a stable triangular stable fixing structure.
3. The peristaltic pump of claim 1 wherein the drive gear (123) is a worm gear (1231) and worm (1232) mating structure, wherein the mounting (20) and the drive chamber housing (121) are adapted to form a fixed chamber for the worm gear (1231) and worm (1232).
4. A peristaltic pump easy to assemble as in claim 3, characterized in that said transmission housing (121) is provided with a first worm gear (126) and said holder (20) is provided with a second worm gear (22) peripherally disposed about said through hole (21).
5. A peristaltic pump easy to assemble as in claim 3, wherein said transmission housing (121) is provided with a first worm mounting bracket (127), and said mounting base (20) is provided with a second worm mounting bracket (23) on the plate surface.
6. The peristaltic pump of claim 5 wherein said first worm mounting bracket (127) further comprises bearing means comprising a bearing (124) for the socket-connection of the worm end, a bearing housing (1271) and a relief groove (1272) therefor, said relief groove (1272) being disposed side-by-side on the end of said bearing housing (1271) remote from the worm.
7. The peristaltic pump of claim 6 wherein the housing (1271) is provided with a slot for mounting the bearing (124), said housing (1271) is provided with a slot in a U-shape or wedge-shape adapted for a fixed combination with the second worm mounting bracket (23).
8. The peristaltic pump of claim 1 wherein the driving rod (116) is an externally splined toothed rod disposed on an end surface of the roller assembly (114), and is engaged with an internally splined toothed seat disposed at a gear center of the driving gear (123), wherein each tooth of an end surface contact portion of the externally splined toothed rod and the internally splined toothed seat is disposed as a symmetrical wedge-shaped tip portion, and the external splined toothed rod and the internally splined toothed seat can be inserted and mounted at any angle during the assembly and installation process.
9. Peristaltic pump with easy assembly according to claim 1, characterized in that the fixing base (20) is provided with a hose fixing base (24) for fixing the pipe joint (113) close to the plate surface of the pump head assembly (11).
10. The peristaltic pump of claim 1 further comprising a window (1281) disposed in the drive chamber housing (121) for locking the motor, and a sealing plate (25) disposed on the mounting base (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362394.XU CN219654859U (en) | 2023-03-02 | 2023-03-02 | Peristaltic pump of easy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320362394.XU CN219654859U (en) | 2023-03-02 | 2023-03-02 | Peristaltic pump of easy equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654859U true CN219654859U (en) | 2023-09-08 |
Family
ID=87877419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320362394.XU Active CN219654859U (en) | 2023-03-02 | 2023-03-02 | Peristaltic pump of easy equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654859U (en) |
-
2023
- 2023-03-02 CN CN202320362394.XU patent/CN219654859U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |