Device for connecting pump body and pipeline

Abstract

The utility model discloses a device for connecting a pump body and a pipeline, which comprises a first connecting body, a second connecting body and a third connecting body, the second connecting body comprises a second sleeve, and the second sleeve is provided with a second cavity with an opening in the top end; the first sleeve is installed in the second cavity, a first cavity is formed in the end, opposite to the end connected with the second cavity, of the first sleeve, and a first connecting hole communicated with the first cavity is formed in the end, away from the first cavity, of the first sleeve; through the combination of the first connecting body, the second connecting body and the first sleeve and the clamping connection of the clamping head and the clamping ring, the quick and stable connection between the pump body and the pipeline is realized, the first connecting body and the second connecting body are prevented from loosening and slipping after being connected, and the service life of the pump body and the pipeline is prolonged. The connecting structure has the advantages of being compact in structure, high in connecting stability, good in sealing performance and convenient to quickly connect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe connection, in particular to a device for connecting a pump body and a pipe. BACKGROUND

[0002] In a fluid transmission system, the connection between the pump body and the pipe is a key link to ensure the normal operation of the system. The traditional connection methods include welding connection, flange connection, threaded connection and clamp connection. However, the existing connection methods involve too many components for auxiliary connection, resulting in a large overall volume, which is not conducive to use in limited space. Moreover, the existing connection methods require the use of tools for auxiliary installation, increasing the time cost of preparation, and are not suitable for use cases that require quick connection.

[0003] Therefore, we propose a device for connecting a pump body and a pipe to solve the existing problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a device for connecting a pump body and a pipe to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for connecting a pump body and a pipe, comprising:

[0006] A first connecting body is provided with an extension pipe at one end, and the end of the extension pipe is provided with a clamping joint.

[0007] A second connecting body includes a second sleeve provided with a second cavity with an open top end.

[0008] A first sleeve is installed in the second cavity, and the first sleeve is provided with a first cavity at one end connected to the second cavity. The end of the first sleeve away from the first cavity is provided with a first connecting hole in communication with the first cavity. A clamping ring is installed in the first cavity. When the first connecting body is connected to the second connecting body, the clamping joint passes through the clamping ring and is connected to the clamping ring.

[0009] Preferably, the first connecting body is provided with a first joint at the other end of the extension pipe, and the first joint is provided with a first external thread around the circumference.

[0010] Preferably, a limiting ring is provided between the first joint and the extension pipe of the first connecting body, and the limiting ring is provided with a twisting block around the circumference.

[0011] Preferably, the end of the extension pipe close to the limiting ring is provided with a first clamping block, the first clamping block is provided with a first sealing ring around the circumference, and the diameter of the first clamping block is the same as the diameter of the first connecting hole.

[0012] Preferably, the bottom wall of the second cavity is provided with a receiving groove axially deepened and opened, the cross-sectional shape of the receiving groove matches the cross-sectional shape of the clamping head, and the inner wall of the receiving groove is provided with a second sealing ring.

[0013] Preferably, the inner wall of the second cavity is provided with a first internal thread, and the outer periphery of the sleeve is provided with a second external thread corresponding to the first internal thread.

[0014] Preferably, the second connecting body is provided with a second connector at an end away from the second sleeve, and the outer periphery of the second connector is provided with a limiting slip ring.

[0015] Preferably, the clamping ring comprises a ring body, the ring body is in sliding connection with the inner wall of the first cavity, an end of the ring body away from the first connecting hole of the first sleeve is connected with a plurality of limiting pieces, and the plurality of limiting pieces are equidistantly arranged.

[0016] Preferably, the plurality of limiting pieces are elastically connected with the ring body, and the plurality of limiting pieces are surrounded to form a clamping channel, and the diameter of the clamping channel decreases from one end of the ring body to the other end.

[0017] Preferably, the outer diameter of the clamping head is greater than the outer diameter of the extension pipe.

[0018] Compared with the prior art, the device for connecting the pump body and the pipeline has the advantages that: the first connecting body, the second connecting body and the first sleeve are combined, the clamping head and the clamping ring are clamped and connected, the pump body and the pipeline are quickly and stably connected, the first connecting body and the second connecting body are prevented from loosening and slipping after being connected, and the device has the advantages of compact structure, strong connection stability, good sealing performance and convenient and rapid connection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a connection relationship schematic view of the first connecting body and the second connecting of the utility model;

[0021] Figure 3 It is a three-dimensional explosion structure schematic view of the utility model;

[0022] Figure 4 It is a three-dimensional structure section view of the utility model;

[0023] Figure 5 It is a three-dimensional structure section view of the first sleeve of the utility model;

[0024] Figure 6The second connecting body three-dimensional structure is cut and shown in the schematic view of the utility model.

[0025] In the figure: 1, first connecting body; 11, first joint; 12, screwing block; 13, limiting ring; 14, first clamping block; 15, extension pipe; 16, clamping joint; 17, first sealing ring; 18, first external thread; 2, first sleeve; 21, first connecting hole; 22, first cavity; 23, second external thread; 3, second connecting body; 31, second sleeve; 32, second cavity; 33, accommodating groove; 34, second sealing ring; 35, second joint; 36, slip limiting ring; 37, first internal thread; 4, clamping ring; 41, ring body; 42, limiting piece; 43, clamping channel. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0028] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] And, the above-mentioned partial terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to the specific circumstances.

[0030] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Embodiments

[0032] As Figures 1 to 6 shown, an apparatus for connecting a pump body and a pipeline, comprising:

[0033] A first connecting body 1, one end of the first connecting body 1 is provided with an extension pipe 15, and the end of the extension pipe 15 is provided with a clamping joint 16;

[0034] A second connecting body 3, the second connecting body 3 comprises a second sleeve 31, and the second sleeve 31 is provided with a second cavity 32 with an open top end;

[0035] A first sleeve 2, the first sleeve 2 is installed in the second cavity 32, and the first sleeve 2 is provided with a first cavity 22 at one end connected with the second cavity 32, and the end of the first sleeve 2 away from the first cavity 22 is provided with a first connecting hole 21 in communication with the first cavity 22, and a clamping ring 4 is installed in the first cavity 22, when the first connecting body 1 is connected with the second connecting body 3, the clamping joint 16 passes through the clamping ring 4 and is connected with the clamping ring 4, in use, the first sleeve 2 is installed in the second cavity 32 of the second sleeve 31 at one end of the second connecting body 3, and the inside of the first sleeve 2 connected with the second cavity 32 is provided with the first cavity 22 for installing the clamping ring 4, when the first connecting body 1 is connected with the second connecting body 3, the first connecting body 1 continues to move relative to one end of the second connecting body 3, so that one end of the extension pipe 15 of the first connecting body 1 passes through the first connecting hole 21 of the first sleeve 2 and enters the first cavity 22, and the clamping joint 16 at the front end of the extension pipe 15 passes through the clamping ring 4 and is connected with the clamping ring 4, so that the first connecting body 1 is connected with the second connecting body 3.

[0036] Further, the first connecting body 1 is provided with a first joint 11 at the other end of the extension pipe 15, and the first joint 11 is provided with a first external thread 18 around the circumference, which is used to connect the pump body or the pipeline in use.

[0037] Further, the first connecting body 1 is provided with a limiting ring 13 between the first joint 11 and the extension pipe 15. The outer periphery of the limiting ring 13 is provided with a screwing block 12. In use, a tool such as a hexagonal wrench is used to engage the screwing block 12, thereby driving the screwing block 12 to rotate the first connecting body 1, so that the first connecting body 1 is connected or disconnected with the pump body, the pipeline and the like through the first joint 11.

[0038] Further, the extension pipe 15 is provided with a first clamping block 14 at one end close to the limiting ring 13. The outer periphery of the first clamping block 14 is provided with a first sealing ring 17, and the diameter of the first clamping block 14 is the same as that of the first connecting hole 21. When the first connecting body 1 is connected with the second connecting body 3, the sealing connection end is sealed to ensure the sealing between the extension pipe 15 and the first sleeve 2.

[0039] Further, the bottom wall of the second cavity 32 is provided with a receiving groove 33 which is axially deepened. The cross-sectional shape of the receiving groove 33 matches that of the clamping head 16, and the inner wall of the receiving groove 33 is provided with a second sealing ring 34. When connected, the clamping head 16 is arranged in the receiving groove 33 after passing through the clamping ring 4. The receiving groove 33 guides and limits the clamping head 16, and fixes the clamping head 16, so that the end of the clamping head 16 relative to the clamping ring 4 is more stable with the clamping structure of the clamping ring 4. The second sealing ring is used to seal the connection end between the clamping head 16 and the receiving groove 33.

[0040] Further, the inner wall of the second cavity 32 is provided with a first internal thread 37, and the outer periphery of the first sleeve 2 is provided with a second external thread 23 which can be connected with the first internal thread 37. The first sleeve 2 can be firmly installed in the second cavity 32 and is not easy to loosen. At the same time, by disassembling the connected first sleeve 2 and the second sleeve 31, and then destroying the clamping connection state between the clamping ring 4 and the clamping head 16, the first connecting body 1 and the second connecting body 3 can be separated.

[0041] Further, the end of the second connecting body 3 away from the second sleeve 31 is provided with a second joint 35, and the outer periphery of the second joint 35 is provided with a limiting sliding ring 36. In use, the second connecting body 3 is convenient to connect with other pipelines or pump bodies, and the limiting sliding ring 36 can prevent the other pipelines or pump bodies from slipping off during the connection process, thereby improving the stability of the connection.

[0042] Further, the clamping ring 4 includes a ring body 41 which is in sliding connection with the inner wall of the first cavity 22. The end of the ring body 41 away from the first connecting hole 21 of the first sleeve 2 is connected with a plurality of limiting pieces 42. The plurality of limiting pieces 42 are in elastic connection with the ring body 41 and are equidistantly arranged. In use, the limiting pieces 42 can be deformed to a certain extent away from the free end connected with the ring body 41 during the insertion of the clamping head 16, so as to adapt to the shape of the extension pipe 15 and the clamping head 16.

[0043] Further, the several limiting sheets 42 are surrounded to form a clamping channel 43, the diameter of the clamping channel 43 decreases from one end of the ring body 41 to the other end, in use, the extension tube 15 and the clamping joint 16 at the front end of the extension tube 15 can be movably passed through the clamping channel 43.

[0044] Further, the outer diameter of the clamping joint 16 is greater than the outer diameter of the extension tube 15, when the clamping joint 16 is completely passed through, the limiting sheets 42 are restored by the elastic force, the diameter of the clamping channel 43 is restored to the initial state, the one end of the clamping joint 16 relative to the clamping ring 4 is abutted against the free end of the several limiting sheets 42, and a stable clamping connection structure is formed.

[0045] The above specific embodiments are only preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. An apparatus for connecting a pump body to a pipe, the apparatus comprising: The utility model relates to a kind of connecting device, including: First connector (1), one end of the first connector (1) is provided with extension tube (15), and the end of extension tube (15) is provided with clamping joint (16); Second connector (3), the second connector (3) includes second sleeve (31), and the second sleeve (31) is provided with second cavity (32) with open top end; First sleeve (2), the first sleeve (2) is installed in second cavity (32), and the end of first sleeve (2) relative to the connection of second cavity (32) is provided with first cavity (22), and the end of first sleeve (2) away from first cavity (22) is provided with first connecting hole (21) communicated with first cavity (22), and the first cavity (22) is installed with clamping ring (4), when the first connector (1) is connected with the second connector (3), clamping joint (16) passes through clamping ring (4) and is connected with clamping ring (4) with clamping.

2. An apparatus for connecting a pump body to a pipe as defined in claim 1, wherein: The other end of the first connector (1) relative to extension tube (15) is provided with first joint (11), and the outer periphery of the first joint (11) is provided with first outer thread (18).

3. An apparatus for connecting a pump body to a conduit as defined in claim 2, wherein: The first connector (1) is provided with limiting ring (13) between first joint (11) and extension tube (15), and the outer periphery of the limiting ring (13) is provided with screwing block (12).

4. An apparatus for connecting a pump body to a conduit as defined in claim 3, wherein: The end of the extension tube (15) close to the limiting ring (13) is provided with first clamping block (14), the outer periphery of the first clamping block (14) is provided with first sealing ring (17), and the diameter of the first clamping block (14) is same with the diameter of the first connecting hole (21).

5. An apparatus for connecting a pump body to a conduit as defined in claim 1, wherein: The bottom wall of the second cavity (32) is provided with accommodating groove (33) deepened along the axial direction of the second connector (3), the cross-sectional shape of the accommodating groove (33) is matched with the cross-sectional shape of the clamping joint (16), and the inner wall of the accommodating groove (33) is provided with second sealing ring (34).

6. An apparatus for connecting a pump body to a conduit as defined in claim 5, wherein: The inner wall of the second cavity (32) is provided with first inner thread (37), and the outer periphery of the sleeve is provided with second outer thread (23) corresponding to the first inner thread (37).

7. An apparatus for connecting a pump body to a conduit as defined in claim 6, wherein: The end of the second connector (3) away from the second sleeve (31) is provided with second joint (35), and the outer periphery of the second joint (35) is provided with limiting sliding ring (36).

8. An apparatus for connecting a pump body to a conduit as defined in claim 1, wherein: The clamping ring (4) includes ring body (41), the ring body (41) is slidably connected with the inner wall of the first cavity (22), the end of the ring body (41) away from the first connecting hole (21) of the first sleeve (2) is connected with a plurality of limiting pieces (42), and the plurality of limiting pieces (42) are equidistantly arranged.

9. An apparatus for connecting a pump body to a conduit as defined in claim 8, wherein: The plurality of limiting pieces (42) are elastically connected with the ring body (41), and the plurality of limiting pieces (42) are surrounded to form a clamping channel (43), and the diameter of the clamping channel (43) decreases from one end of the ring body (41) to the other end.

10. An apparatus for connecting a pump body to a conduit as defined in claim 9, wherein: The outer diameter of the clamping joint (16) is greater than the outer diameter of the extension tube (15).

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