Spinning buckle butt joint type detachable pump head structure

Abstract

The utility model discloses a spinner butt joint type detachable pump head structure, which relates to the technical field of plunger pumps, and comprises a pump head, one side of the pump head is detachably connected with a pump body, the pump body comprises a first pump body and a second pump body which are detachably connected, and the outer parts of the first pump body and the second pump body are clamped through a clamping assembly. The contact faces of the first pump body and the second pump body and the clamping assembly are provided with first protrusions, the clamping assembly is provided with first groove bodies assembled with the first protrusions, the plunger pump can be rapidly disassembled and assembled, the assembling difficulty is low, the overall coaxiality of the assembled device can be guaranteed, and the using and assembling precision requirement of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of plunger pumps, in particular to a screw-button docking type detachable pump head structure. Background Art

[0002] The plunger pump is a vital component of hydraulic systems. It relies on the reciprocating motion of the plunger within the cylinder, causing changes in the solvent within the sealed working chamber to achieve oil suction and pressure. Plunger pumps offer advantages such as high rated pressure, compact structure, high efficiency, and easy flow regulation. Traditionally, pumps suitable for fluid transport in high-standard sanitary industries have been stainless steel gear pumps or vane pumps. With the rapid development of the industry, traditional gear pumps or vane pumps can no longer meet the high-pressure, high-flow, and constant-flow and pressure demands of industrial production, necessitating the use of plunger pumps to provide a suitable production environment. However, traditional plunger pumps often feature a one-piece plunger rod and a pump head with non-detachable connections such as welding, resulting in high manufacturing costs and difficult maintenance.

[0003] Prior art CN114645845B is a plunger assembly and a plunger pump. The plunger assembly of the utility model comprises: a plunger rod, one end of which has a first flange; a slider rod, one end of which has a second flange; and a connecting ring, the connecting ring comprising a first half ring and a second half ring that are detachably connected, the inner wall surface of the first half ring being provided with a first groove, the inner wall surface of the second half ring being provided with a second groove, the first groove and the second groove forming a first annular groove, wherein the first flange abuts against the second flange, the connecting ring is sleeved on the first flange and the second flange, and the first flange and the second flange are clamped in the first annular groove. The utility model has the advantages of being easy to assemble and having low maintenance difficulty, but the solution of the utility model still has room for improvement in how to ensure the assembly accuracy of the device after rapid installation. Summary of the Invention

[0004] The purpose of the utility model is to provide a screw-button docking type detachable pump head structure, which can realize the rapid disassembly and assembly of the plunger pump, has low assembly difficulty and can ensure the overall coaxiality of the device after assembly, ensuring the assembly accuracy requirements of the device.

[0005] In order to solve the above technical problems, the present invention specifically provides the following technical solutions: a screw-on docking type detachable pump head structure, including a pump head, a pump body detachably connected to one side of the pump head, the pump body including a first pump body and a second pump body detachably connected, the first pump body and the second pump body are clamped on the outside by a clamping assembly, the first pump body and the second pump body have a first protrusion on the contact surface with the clamping assembly, the clamping assembly has a first groove body assembled with the first protrusion, the present invention limits the connection position of the first pump body and the second pump body through the clamping assembly, so that the pump body can be quickly disassembled and assembled and the tightness of the pump body after assembly can be achieved, and the pump body can be disassembled and assembled only by the clamping assembly, reducing the difficulty of disassembly and assembly. Specifically, the assembly of the first pump body and the second pump body through the first protrusion and the first groove body can ensure the assembly coaxiality of the two to ensure the assembly accuracy requirements of the device.

[0006] According to one embodiment of the present invention, the first protrusion is a thread, and the first groove body is a thread groove that can be screwed to the first protrusion. The sampling thread assembly method enables the clamping assembly to be assembled with the first pump body and the second pump body. The first groove body has a thread groove so that when the thread groove is in rotational contact with the thread of the first protrusion, the first pump body and the second pump body can be aligned, thereby correcting the assembly coaxiality between the two.

[0007] According to one embodiment of the present invention, the clamping assembly has a clamping base, the clamping base is a circular ring structure, the inner ring surface of the clamping base ring has a first groove, the first groove passes through one side of the clamping base, and the clamping base with a circular ring structure can use the circular ring structure to align the axes of the first pump body and the second pump body and correct the coaxiality of the two during the process of rotating cooperation with the first protrusion of the threaded structure on the surface of the first pump body and the second pump body, and pass the first groove through one side of the clamping base so that the side of the clamping base can pass through the first pump body and the second pump body in turn and be threaded and rotated.

[0008] According to one embodiment of the present invention, a first ring is provided on one side of the clamping base. The surface of the first ring can abut against the surface of the first pump body. The first ring is provided with a hole, and a fastener is provided in the hole. The fastener can pass through the hole and abut against the surface of the first pump body. The abutment of the first ring with the surface of the first pump body and the fastener are used to provide multi-directional fixed fixation between the first and second pump bodies, ensuring a tight connection between the two and preventing loosening of the clamping base.

[0009] According to one embodiment of the present invention, the first ring body and the first groove body are respectively provided on both end surfaces of the clamping base, so as to ensure multi-directional limiting fixation of the first pump body and the second pump body.

[0010] According to one embodiment of the present invention, the second pump body is detachably connected to the pump head and can be assembled by means of fastening bolts or the like. The second pump body has a second surface in contact with the first pump body, and the first pump body has a first surface in contact with the second pump body. The contact between the first surface and the second surface can reduce the assembly gap between the two. The first surface and the second surface are preferably planes.

[0011] According to one embodiment of the present invention, a chamber penetrating the first surface is provided in the first pump body, and a chamber penetrating the second surface is provided in the second pump body, which is used to reduce the processing materials of both and expand the internal assembly space for the assembly of other parts.

[0012] According to one embodiment of the present invention, a coaxial through hole is provided in the pump body and the pump head, a plunger rod is installed in the through hole, a cavity for medium transportation is provided inside the pump head, the end of the plunger rod can enter and exit the cavity, and a sealing assembly is provided at the contact position between the pump head and the plunger rod to realize the transportation of the medium by the plunger rod.

[0013] Compared with the prior art, the present invention has the following beneficial effects: the detachable connection scheme between the first pump body and the second pump body of the present invention can realize the rapid disassembly of the pump body and the replacement of its internal components, thereby solving the problem of difficulty in disassembling the plunger pump and the cost of replacing the plunger pump parts. The method of arranging a clamping assembly on the outside of the first pump body and the second pump body is used to ensure that the first pump body and the second pump body are continuously tightly connected, solving the problem of increased difficulty in pump body processing due to the need to set threaded connection holes or other connection methods on the first pump body and the second pump body.

[0014] The solution provided by the utility model realizes quick and simple disassembly of the plunger pump, and the connection strength of the plunger pump components is high and the sealing performance is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0016] Figure 1 This is a schematic diagram of the structure of a twist-button docking detachable pump head of the utility model;

[0017] Figure 2 This is a side view of a twist-button docking detachable pump head structure of the utility model;

[0018] Figure 3 for Figure 2 Cross-sectional view in the middle BB direction;

[0019] Figure 4 It is a schematic diagram of the clamping scheme of the clamping assembly and the pump body;

[0020] Figure 5 for Figure 2 Cross-sectional view in the AA direction;

[0021] Figure 6 This is a schematic diagram of the clamping assembly scheme of the present utility model.

[0022] Description of reference numerals:

[0023] 1. Pump head; 2. Clamping assembly; 21. Clamping base; 22. First trough body; 23. Fastener; 24. First ring body; 3. Pump body; 31. First pump body; 32. Second pump body; 4. Cavity; 5. Plunger rod; 6. First protrusion; 7. Sealing assembly. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The following first describes the concepts involved in this application with reference to the accompanying drawings. It should be noted that the following description of each concept is intended only to make the content of this application easier to understand and does not limit the scope of protection of this application. At the same time, the embodiments and features in the embodiments of this application can be combined with each other unless there is a conflict. The following detailed description of this application will be made with reference to the accompanying drawings and in conjunction with the embodiments.

[0026] Example 1

[0027] like Figure 1-Figure 3 as well as Figure 6As shown, a screw-button docking type detachable pump head structure includes a pump head 1, and a pump body 3 is detachably connected to one side of the pump head 1. The pump body 3 includes a first pump body 31 and a second pump body 32 that are detachably connected. The first pump body 31 and the second pump body 32 are clamped on the outside by a clamping assembly 2. The first pump body 31 and the second pump body 32 have a first protrusion 6 on the contact surface with the clamping assembly 2. The clamping assembly 2 has a first groove body 22 assembled with the first protrusion 6. The utility model limits the connection position of the first pump body 31 and the second pump body 32 through the clamping assembly 2. In this way, the pump body 3 can be quickly disassembled and assembled and the tightness of the pump body 3 after assembly can be achieved. The pump body 3 can be disassembled and assembled only through the clamping assembly 2 to reduce the difficulty of disassembly and assembly. Specifically, the assembly of the first pump body 31 and the second pump body 32 through the first protrusion 6 and the first groove body 22 can ensure the assembly coaxiality of the two to ensure the assembly accuracy requirements of the device.

[0028] The first protrusion 6 is a thread, and the first groove body 22 is a thread groove that can be screwed to the first protrusion 6. The sampling thread assembly method can enable the clamping component 2 to be assembled with the first pump body 31 and the second pump body 32. The first groove body 22 has a thread groove so that when the thread groove and the thread of the first protrusion 6 are in rotational contact, the first pump body 31 and the second pump body 32 can be aligned, thereby correcting the assembly coaxiality between the two.

[0029] See attached Figure 5 , Attachment Figure 6 As shown, the clamping assembly 2 has a clamping base 21, and the clamping base 21 is a circular ring structure. The inner ring surface of the clamping base 21 has a first groove 21, and the first groove 21 passes through one side of the clamping base 21. The clamping base 21 with a circular ring structure can use the circular ring structure to align the axes of the first pump body 31 and the second pump body 32 and correct the coaxiality of the two during the rotational cooperation with the first protrusion 6 of the threaded structure on the surface of the first pump body 31 and the second pump body 32. The first groove 21 passes through one side of the clamping base 21 so that the side of the clamping base 21 can pass through the first pump body 31 and the second pump body 32 in turn and be threaded and rotated.

[0030] See attached Figure 4 As shown, one side of the clamping base 21 has a first ring 24, the surface of which can abut against the surface of the first pump body 31. The first ring 24 is provided with a hole, and a fastener is provided in the hole. The fastener can pass through the hole and abut against the surface of the first pump body 31. The abutment of the first ring 24 and the surface of the first pump body 31 and the fastener 23 are used to achieve multi-directional fixed fixation of the first pump body 31 and the second pump body 32, ensuring a tight connection between the two and preventing loosening of the clamping base 21.

[0031] The first ring body 24 and the first groove body 21 are respectively provided on both end surfaces of the clamping base 21 , and are used to ensure that the first pump body 31 and the second pump body 32 are fixed in multiple directions.

[0032] The second pump body 32 is detachably connected to the pump head 1 and can be assembled by means of fastening bolts, etc. The second pump body 32 has a second surface that contacts the first pump body 31, and the first pump body 31 has a first surface that contacts the second pump body 32. The contact between the first surface and the second surface can reduce the assembly gap between the two. The first surface and the second surface are preferably planes.

[0033] A chamber penetrating the first surface is provided in the first pump body 31 , and a chamber penetrating the second surface is provided in the second pump body 32 , for reducing the processing materials of both and expanding the internal assembly space for assembling other parts.

[0034] Example 2:

[0035] See attached Figure 3 As shown, the pump body 3 and the pump head 1 have a coaxial through hole, and a plunger rod 5 is installed in the through hole. A cavity for medium transportation is provided inside the pump head 1, and the end of the plunger rod 5 can enter and exit the cavity. A sealing assembly is provided at the contact position between the pump head 1 and the plunger rod 5 to realize the transportation of the medium by the plunger rod.

[0036] In this embodiment, the number of plunger rods 5 is at least one, and the specific number is selected according to actual production and use requirements. For example, two plunger rods 5 can be a group, and 1 group, 2 groups, 3 groups, 4 groups, 5 groups, 6 groups, 7 groups, 8 groups, 9 groups, 10 groups, 11 groups... are selected according to production requirements.

[0037] One end of the plunger rod 5 is provided with a driving device for driving the plunger rod 5 to perform axial reciprocating motion relative to the pump body 3 and the pump head 1 .

[0038] Example 3:

[0039] See attached Figure 3 As shown, the disassembly plan of the pump body 3 in this embodiment is: first loosen the fastener 23, and then disassemble the clamping base 21 of the clamping assembly 2 on the first pump body 31 and the second pump body 32 by rotating it, so that the clamping base 21 is separated from the first pump body 31 and the second pump body 32. In the absence of the clamping assembly 2 to limit the position, the first pump body 31 and the second pump body 32 can be quickly replaced and disassembled. Conversely, when the first pump body 31 and the second pump body 32 need to be assembled, the pump body 3 can be assembled by rotating the clamping base 21 with the first protrusion 6 on the first pump body 31 and the second pump body 32.

[0040] Example 4:

[0041] In this embodiment, the sealing assembly 7 may be a sealing structure such as a sealing ring or a sealing sleeve, which is used to prevent the medium from leaking during the reciprocating motion of the plunger rod 5 .

[0042] The embodiments and / or implementation methods described above are only used to illustrate the preferred embodiments and / or implementation methods for realizing the technology of the present invention, and are not intended to limit the implementation methods of the technology of the present invention in any form. Any person skilled in the art may make slight changes or modifications to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present invention, but they should still be regarded as technologies or embodiments that are essentially the same as the present invention.

[0043] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. The above is only the preferred implementation method of this application. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of this application, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the scope of protection of this application.

Claims

1. A screw-on docking type detachable pump head structure, comprising a pump head (1), wherein one side of the pump head (1) is detachably connected to a pump body (3), characterized in that: The pump body (3) comprises a first pump body (31) and a second pump body (32) which are detachably connected. The first pump body (31) and the second pump body (32) are clamped externally by a clamping assembly (2). The contact surfaces of the first pump body (31) and the second pump body (32) with the clamping assembly (2) have a first protrusion (6). The clamping assembly (2) has a first groove (22) assembled with the first protrusion (6).

2. The twist-button docking detachable pump head structure according to claim 1, characterized in that: The first protrusion (6) is a thread.

3. The twist-button docking detachable pump head structure according to claim 2, characterized in that: The first groove body (22) is a threaded groove capable of being screwed to the first protrusion (6).

4. The twist-button docking detachable pump head structure according to claim 1, characterized in that: The clamping assembly (2) has a clamping base (21), the clamping base (21) is a circular ring structure, the inner ring surface of the clamping base (21) has a first groove (22), and the first groove (22) passes through a side surface of the clamping base (21).

5. The twist-button docking detachable pump head structure according to claim 4, characterized in that: A first ring body (24) is provided on one side of the clamping base (21), and the surface of the first ring body (24) can abut against the surface of the first pump body (31). The first ring body (24) is provided with a hole body, and a fastener (23) is provided in the hole body. The fastener (23) can pass through the hole body and abut against the surface of the first pump body (31).

6. The twist-button docking detachable pump head structure according to claim 5, characterized in that: The first ring body (24) and the first groove body (22) are respectively arranged on the two end surfaces of the clamping base (21).

7. The twist-button docking detachable pump head structure according to claim 4, characterized in that: The second pump body (32) is detachably connected to the pump head (1); the second pump body (32) has a second surface in contact with the first pump body (31); and the first pump body (31) has a first surface in contact with the second pump body (32).

8. The twist-button docking detachable pump head structure according to claim 7, characterized in that: A chamber penetrating the first surface is provided in the first pump body (31).

9. The twist-button docking detachable pump head structure according to claim 7, characterized in that: A chamber penetrating the second surface is provided in the second pump body (32).

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