Peristaltic pump shell with positioning device and peristaltic pump

Abstract

The utility model relates to a peristaltic pump shell with a positioning device and a peristaltic pump, the peristaltic pump shell comprises a top cover, a support and a bottom cover, the top cover, the bottom cover and the support form an inner cavity used for installing a rolling device, a pump pipe and a driving device, the support is provided with a plurality of positioning columns, and the top cover and the bottom cover are provided with positioning holes matched with the positioning columns. According to the peristaltic pump shell, the positioning columns are matched with the positioning holes, so that positioning between the top cover and the support and positioning between the bottom cover and the support are more accurate, and assembly errors are effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of peristaltic pumps, and more specifically to a peristaltic pump housing with a positioning device and a peristaltic pump. Background Art

[0002] A peristaltic pump is a fluid transport device consisting of a driver, a pump head and a hose. It pumps fluid by alternately squeezing and releasing the hose through rotating rollers. The fluid does not contact the pump head. It has the advantages of no pollution, high precision, low shear force, good sealing and simple maintenance. It is widely used in chemical, pharmaceutical and other industries.

[0003] The peristaltic pump housing in the prior art fixes the peristaltic pump via a top cover, a bottom cover and a bracket. However, there is a lack of effective positioning between the top cover and the bracket, and between the bracket and the bottom cover, resulting in large assembly errors and unstable performance of the peristaltic pump. Utility Model Content

[0004] The technical problem to be solved by the utility model is that, in view of the above-mentioned defects of the prior art, a peristaltic pump housing and a peristaltic pump with a positioning device are proposed.

[0005] The technical solution adopted by the utility model to solve its technical problem is: a peristaltic pump housing with a positioning device is proposed, including: a top cover, a bracket and a bottom cover, the top cover, the bottom cover and the bracket form an inner cavity for installing a rolling device, a pump tube and a driving device, the bracket is provided with a plurality of positioning columns, and the top cover and the bottom cover are provided with positioning holes matching the positioning columns.

[0006] In some embodiments, the positioning column includes: an upper boss and a lower boss, the positioning hole includes: a first positioning hole and a second positioning hole, the upper boss is arranged on the upper end surface of the bracket side wall, and the first positioning hole is arranged on the inner side surface of the bottom of the top cover.

[0007] In some embodiments, the number of the upper boss is at least one, and the upper boss is disposed on the leftmost upper end surface of the bracket side wall.

[0008] In some embodiments, a positioning block is further provided on the upper end surface of the bottom of the bracket, and the positioning block is located in the right cavity. The positioning block and the upper boss are both located on the central axis of the bracket and match the positioning groove provided on the top cover.

[0009] In some embodiments, the positioning block is at the same height as the upper boss.

[0010] In some embodiments, the number of the lower bosses is at least 2, which are respectively located on the leftmost and rightmost sides of the lower end surface of the bracket side wall; the second positioning hole is provided on the bottom cover; and the lower bosses match the second positioning holes.

[0011] In some embodiments, the outer surfaces of the side walls of the top cover and the bottom cover are respectively provided with a plurality of buckles, and the bracket is provided with a clamping block corresponding to the buckles.

[0012] In some embodiments, the upper and lower end surfaces of the bracket side wall are respectively provided with a plurality of threaded columns, and the top cover and the bottom cover are provided with corresponding screw holes.

[0013] In some embodiments, the top cover, bottom cover and bracket are all integrally formed.

[0014] The utility model also provides a peristaltic pump, comprising the peristaltic pump housing as described in any one of the above items.

[0015] The peristaltic pump housing of the utility model matches the positioning columns and the positioning holes, so that the positioning between the top cover and the bracket, and between the bottom cover and the bracket is more accurate, and the assembly error is effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0017] Figure 1 Shown is an assembly structure diagram of the peristaltic pump housing of the utility model;

[0018] Figure 2 The figure shows the partial assembly structure of the peristaltic pump housing of the utility model. Figure 1 ;

[0019] Figure 3 The figure shows the partial assembly structure of the peristaltic pump housing of the utility model. Figure 2 ;

[0020] Figure 4 Shown is a schematic structural diagram of the bottom cover of the peristaltic pump housing of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-Figure 4As shown, an embodiment of the utility model provides a peristaltic pump housing with a positioning device, including: a top cover 1, a bracket 2 and a bottom cover 3, wherein the top cover 1, the bottom cover 3 and the bracket 2 form an inner cavity for installing a rolling device, a pump tube and a driving device. The inner cavity is divided into a left cavity and a right cavity, wherein the left cavity is an arc-shaped structure, and is an arc-shaped structure, and the right cavity is a square structure. A plurality of positioning columns are provided on the bracket 2, and positioning holes matching the positioning columns are provided on the top cover 1 and the bottom cover 3. The positioning columns and the positioning holes match each other, so that the positioning between the top cover 1 and the bracket 2, and the positioning between the bottom cover 3 and the bracket 2 is more accurate, and the assembly error is effectively reduced.

[0023] Specifically, the positioning column includes: an upper boss 21 and a lower boss 23, and the positioning hole includes: a first positioning hole 11 and a second positioning hole 31, wherein the upper boss 21 is provided on the upper end surface of the side wall of the bracket 2, and the first positioning hole 11 is provided on the inner side surface of the bottom of the top cover 1. The number of the upper boss 21 is at least one, and it is provided on the upper end surface of the leftmost side wall of the bracket 2.

[0024] Furthermore, in some embodiments, a positioning block 22 is also provided on the upper end surface of the bottom of the bracket 2, which is specifically set in the square area of ​​the right cavity, and is located on the central axis of the bracket 2 together with the upper boss 21. The positioning block 22 is at the same height as the upper boss 21, and matches the positioning groove 12 provided on the top cover 1, so that the top cover 1 and the bracket 2 are completely aligned under the action of the upper boss 21 and the positioning block 22.

[0025] Furthermore, in some embodiments, a lower boss 23 is disposed on the lower end surface of the side wall of the bracket 2, and the number of the lower bosses 23 is at least 2, which are respectively located at the leftmost and rightmost sides of the lower end surface of the side wall of the bracket 2, and a second positioning hole 31 matching the lower boss 23 is disposed on the bottom cover 3, and the lower boss 23 is disposed on the central axis of the cavity, so that the bottom cover 3 is completely aligned with the lower half of the bracket 2.

[0026] Furthermore, in some embodiments, the top cover 1, the bottom cover 3 and the bracket 2 are all integrally formed.

[0027] Furthermore, in some embodiments, the outer surfaces of the side walls of the top cover 1 and the bottom cover 3 are respectively provided with a plurality of buckles 4, and the bracket 2 is provided with a block 41 corresponding to the buckle 4, and the block 41 is a wedge-shaped structure. The peristaltic pump housing fastens the top cover 1 and the bracket 2, and the bottom cover 3 and the bracket 2 through the cooperation of the buckle 4 and the block 41.

[0028] Furthermore, in some embodiments, the upper and lower end surfaces of the side wall of the bracket 2 are respectively provided with a plurality of threaded columns, the top cover 1 and the bottom cover 3 are provided with corresponding screw holes, and the top cover 1 and the bracket 2, and the bottom cover 3 and the bracket 2 are fixed by screws.

[0029] The implementation of the peristaltic pump housing of the utility model has the following beneficial effects: the positioning posts and the positioning holes match each other, so that the positioning between the top cover 1 and the bracket 2, and the bottom cover 3 and the bracket 2 is more accurate, and the assembly error is effectively reduced.

[0030] The utility model also provides a peristaltic pump, comprising the peristaltic pump housing described in the embodiment of the utility model.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot limit the protection scope of the utility model. All equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

[0033] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A peristaltic pump housing with a positioning device, characterized in that: include: A top cover, a bracket and a bottom cover, wherein the top cover, the bottom cover and the bracket form an inner cavity for installing a rolling device, a pump pipe and a driving device, the bracket is provided with a plurality of positioning columns, and the top cover and the bottom cover are provided with positioning holes matching the positioning columns.

2. The peristaltic pump housing according to claim 1, characterized in that: The positioning column includes an upper boss and a lower boss, and the positioning hole includes a first positioning hole and a second positioning hole. The upper boss is arranged on the upper end surface of the bracket side wall, and the first positioning hole is arranged on the inner side surface of the bottom of the top cover.

3. The peristaltic pump housing according to claim 2, characterized in that: The number of the upper protrusion is at least one, and the upper protrusion is arranged on the upper end surface of the leftmost side wall of the bracket.

4. The peristaltic pump housing according to claim 3, characterized in that: A positioning block is also provided on the upper end surface of the bottom of the bracket. The positioning block is located in the right cavity. The positioning block and the upper boss are both located on the central axis of the bracket and match the positioning groove provided on the top cover.

5. The peristaltic pump housing according to claim 4, characterized in that: The positioning block is at the same height as the upper boss.

6. The peristaltic pump housing according to claim 5, characterized in that: The number of the lower bosses is at least 2, which are respectively located at the leftmost and rightmost sides of the lower end surface of the bracket side wall; the second positioning hole is provided on the bottom cover; the lower bosses match the second positioning holes.

7. The peristaltic pump housing according to claim 6, characterized in that: The outer surfaces of the side walls of the top cover and the bottom cover are respectively provided with a plurality of buckles, and the bracket is provided with a clamping block corresponding to the buckles.

8. The peristaltic pump housing according to claim 6, characterized in that: The upper and lower end surfaces of the side wall of the bracket are respectively provided with a plurality of threaded columns, and the top cover and the bottom cover are provided with corresponding screw holes.

9. The peristaltic pump housing according to claim 6, characterized in that: The top cover, bottom cover and bracket are all integrally formed.

10. A peristaltic pump, characterized in that: Comprising a peristaltic pump housing as described in any one of claims 1-8.

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