Pump head intubation structure

Abstract

The utility model discloses a pump head pipe inserting structure, which belongs to the technical field of pump machines and comprises an upper shell and a lower shell, the upper shell is detachably connected onto the lower shell, and the pump head pipe inserting structure further comprises a connecting mechanism, a pipe inserting mechanism and a pipe inserting mechanism, the sealing mechanism is mounted on the upper shell and is used for sealing the upper shell and the lower shell; wherein the connecting mechanism comprises a threaded connector, a clamping pipe connector, a fastening sleeve and a lock nut, the threaded connector is fixedly connected to the lower shell, the clamping pipe connector penetrates through the lower shell and is fixedly connected with the lower shell, the fastening sleeve is embedded and installed in the threaded connector, and the lock nut is in threaded connection with the threaded connector; the connecting structure provided by the utility model can be used for quickly connecting the pipeline to the pump body.

Description

Technical Field

[0001] The utility model belongs to the technical field of pump machines, and particularly relates to a pump head intubation structure. Background Art

[0002] For traditional pump head connectors, generally a connector with a pagoda-shaped structure is directly connected to the pump head, and then the pipeline is inserted into the pagoda connector, thus completing the connection between the pipeline and the pump body. This connection method has unstable connection, is generally only applicable to flexible hoses, and is prone to breakage of the pagoda connector during connection.

[0003] Now a structure is proposed that can quickly connect the pipeline to the pump body and can be used commonly for both flexible hoses and rigid pipes. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a pump head intubation structure to solve the above problems.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A pump head intubation structure includes an upper housing and a lower housing, the upper housing is detachably connected to the lower housing, and further includes:

[0006] A connection mechanism, installed on the upper housing, for pipeline connection;

[0007] A sealing mechanism, installed on the upper housing, for sealing the upper housing and the lower housing;

[0008] Wherein, the connection mechanism includes a threaded joint, a pipe clamping joint, a fastening sleeve and a lock nut. The threaded joint is fixedly connected to the lower housing, the pipe clamping joint penetrates through the lower housing and is fixedly connected to the lower housing, the fastening sleeve is embedded in the threaded joint, and the lock nut is threadedly connected to the threaded joint.

[0009] Based on the above technical solutions, the utility model also provides the following optional technical solutions:

[0010] Further technical solution: The sealing mechanism includes a sealing strip, and further includes:

[0011] A pressing component, installed on the upper housing, for pressing the sealing strip into the sealing groove opened on the lower housing.

[0012] Further technical solution: The pressing component includes a square frame, a plate body, a square frame cylinder, a support rod and a cylinder body. The square frame is fixedly connected to the plate body. The plate body is slidably engaged with a first limiting chute opened on the square frame cylinder. One end of the support rod extends into a second limiting chute opened in the cylinder body and is slidably engaged with the second limiting chute. The other end of the support rod is fixedly connected to the plate body. The cylinder body is fixedly connected to the square frame cylinder. An elastic member is arranged in the second limiting chute and is fixedly connected to the support rod and the cylinder body. The square frame cylinder is sleeved on a step opened on the upper shell and is fixedly connected to the upper shell.

[0013] Further technical solution: The elastic member is any one of a spring, a compression spring and an elastic steel plate.

[0014] Further technical solution: A kara for facilitating the rotation of the lock nut by pushing is fixedly connected to the lock nut.

[0015] Further technical solution: The upper shell is detachably connected to the lower shell through a bolt assembly.

[0016] Further technical solution: The fastening sleeve is integrally conical.

[0017] Beneficial effects

[0018] The utility model provides a pump head intubation structure, which has the following beneficial effects compared with the prior art:

[0019] 1. In the utility model, relevant technicians insert the pipeline into the clamping pipe joint. At this time, the fastening sleeve is embedded between the pipeline and the threaded joint. Then the lock nut is tightened on the threaded joint, and the installation of the pipeline can be completed. It has the advantages of simple structure, easy processing, low cost, practicability, and can be applied to most pump head joints.

[0020] 2. After the upper shell of the utility model is installed on the lower shell through the bolt assembly, the elastic member gives a thrust to the support rod. The support rod pushes the plate body to drive the square frame to have a tendency of linear movement. At this time, the square frame tightly presses the sealing strip in the sealing groove position to seal the gap between the upper shell and the lower shell. Description of the drawings

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0022] Figure 2 It is an exploded view of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the pressing component of the utility model.

[0024] Annotation of reference numerals: 1. Upper housing; 2. Lower housing; 3. Connecting mechanism; 301. Threaded joint; 302. Pipe clamping joint; 303. Fastening sleeve; 304. Lock nut; 4. Sealing mechanism; 401. Square frame; 402. Plate body; 403. Square frame cylinder; 404. Support rod; 5. Karat. Detailed implementation mode

[0025] In order to make the purpose, technical solution and advantages of the present utility model more clear and understandable, the following further details the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0026] The following describes in detail the specific implementation of the present utility model in conjunction with specific embodiments.

[0027] Please refer to Figures 1 to 3 , which is provided for an embodiment of the present utility model, a pump head cannula structure, including an upper housing 1 and a lower housing 2, the upper housing 1 is detachably connected to the lower housing 2, and further includes:

[0028] A connecting mechanism 3, installed on the upper housing 1 for pipe connection;

[0029] A sealing mechanism 4, installed on the upper housing 1 for sealing the upper housing 1 and the lower housing 2;

[0030] Among them, the connecting mechanism 3 includes a threaded joint 301, a pipe clamping joint 302, a fastening sleeve 303 and a lock nut 304. The threaded joint 301 is fixedly connected to the lower housing 2. The pipe clamping joint 302 penetrates through the lower housing 2 and is fixedly connected to the lower housing 2. The fastening sleeve 303 is embedded and installed in the threaded joint 301, and the lock nut 304 is threadedly connected to the threaded joint 301;

[0031] Preferably, a karat 5 for facilitating the rotation of the lock nut 304 is fixedly connected to the lock nut 304. The purpose of this setting is to facilitate relevant technicians to rotate the lock nut 304 relative to the threaded joint 301;

[0032] Preferably, the upper housing 1 is detachably connected to the lower housing 2 through a bolt assembly. Those skilled in the art should know that the purpose of this setting is to limit the upper housing 1 on the lower housing 2. Therefore, in some embodiments, the upper housing 1 can also be detachably connected to the lower housing 2 by a clamping method, or fixedly connected to the lower housing 2 by a welding method.

[0033] Preferably, the fastening sleeve 303 is integrally conical.

[0034] In the embodiment of the present utility model, relevant technicians insert the pipeline into the clamping pipe joint 302. At this time, the fastening sleeve 303 is embedded between the pipeline and the threaded joint 301. Then, the lock nut 304 is tightened on the threaded joint 301, and the installation of the pipeline can be completed. It has the advantages of simple structure, easy processing, low cost, practicality, and being applicable to most pump head joints.

[0035] Please refer to Figures 1 to 3 , as an embodiment of the present utility model, the sealing mechanism 4 includes a sealing strip (not marked in the figure), and further includes:

[0036] A pressing component, installed on the upper shell 1, for pressing the sealing strip into the sealing groove (not marked in the figure) opened on the lower shell 2;

[0037] Among them, the pressing component includes a square frame 401, a plate body 402, a square frame cylinder 403, a support rod 404, and a cylinder body 405. The square frame 401 is fixedly connected to the plate body 402. The plate body 402 is slidably matched with a first limiting chute (not marked in the figure) opened on the square frame cylinder 403. One end of the support rod 404 extends into a second limiting chute (not marked in the figure) opened on the cylinder body 405 and is slidably matched with the second limiting chute. The other end of the support rod 404 is fixedly connected to the plate body 402. The cylinder body 405 is fixedly connected to the square frame cylinder 403. An elastic member (not marked in the figure) is arranged in the second limiting chute, and the elastic member is fixedly connected to the support rod 404 and the cylinder body 405. The square frame cylinder 403 is sleeved on a step (not marked in the figure) opened on the upper shell 1 and is fixedly connected to the upper shell 1.

[0038] Preferably, the elastic member is a spring. Those skilled in the art should know that the purpose of this setting is to elastically support the support rod 404. Therefore, in some embodiments, the elastic member can also be set as any one of a compression spring or an elastic steel plate.

[0039] In the embodiment of the present utility model, after the upper shell 1 is installed on the lower shell 2 through the bolt assembly, the elastic member gives a thrust to the support rod 404. The support rod 404 pushes the plate body 402 to drive the square frame 401 to have a tendency of linear movement. At this time, the square frame 401 tightly presses the sealing strip in the sealing groove, and seals the gap between the upper shell 1 and 20.

[0040] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusively, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pump head cannula structure, comprising an upper housing (1) and a lower housing (2), wherein the upper housing (1) is detachably connected to the lower housing (2), characterized in that, It further includes: A connecting mechanism (3), installed on the upper shell (1) for pipe connection; A sealing mechanism (4), installed on the upper shell (1) for sealing the upper shell (1) and the lower shell (2); Among them, the connecting mechanism (3) includes a threaded joint (301), a pipe clamping joint (302), a fastening sleeve (303) and a lock nut (304). The threaded joint (301) is fixedly connected to the lower shell (2). The pipe clamping joint (302) penetrates the lower shell (2) and is fixedly connected to the lower shell (2). The fastening sleeve (303) is embedded and installed in the threaded joint (301). The lock nut (304) is threadedly connected to the threaded joint (301).

2. The pump head cannula structure according to claim 1, wherein, The sealing mechanism (4) includes a sealing strip and further includes: A pressing component, installed on the upper shell (1) for pressing the sealing strip into the sealing groove formed on the lower shell (2).

3. The pump head cannula structure according to claim 2, wherein, The pressing component includes a square frame (401), a plate body (402), a square frame cylinder (403), a support rod (404) and a cylinder body (405). The square frame (401) is fixedly connected to the plate body (402). The plate body (402) is slidably matched with the first limit sliding groove formed on the square frame cylinder (403). One end of the support rod (404) extends into the second limit sliding groove formed on the cylinder body (405) and is slidably matched with the second limit sliding groove. The other end of the support rod (404) is fixedly connected to the plate body (402). The cylinder body (405) is fixedly connected to the square frame cylinder (403). An elastic member is arranged in the second limit sliding groove and is fixedly connected to the support rod (404) and the cylinder body (405). The square frame cylinder (403) is sleeved on the step formed on the upper shell (1) and is fixedly connected to the upper shell (1).

4. The pump head cannula structure according to claim 3, characterized in that, The elastic member is any one of a spring, a compression spring and an elastic steel plate.

5. The pump head cannula structure according to claim 1, characterized in that, A pull tab (5) for facilitating the rotation of the lock nut (304) is fixedly connected to the lock nut (304).

6. The pump head cannula structure according to claim 1, characterized in that, The upper shell (1) is detachably connected to the lower shell (2) through a bolt assembly.

7. The pump head cannula structure according to claim 1, characterized in that, The fastening sleeve (303) is integrally conical.

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