PPR connecting fitting

Abstract

The invention relates to the technical field of connecting fittings, and discloses a PPR connecting fitting which comprises a connecting fitting body, the connecting fitting body comprises a fixing block, a connecting block is fixedly connected to the outer wall of one side of the fixing block, a nut is connected to the outer portion of the connecting block in a sleeving mode, and a first thread is formed in the inner wall of the nut; limiting blocks are fixedly connected to the outer walls of the sides, away from the fixing blocks, of the connecting blocks. Through the arrangement of the nuts, in the using process of the connecting fitting, the two pipelines are installed on the rubber pipe and the connecting piece correspondingly, the nuts are limited and fixed to the outer wall of the connecting piece through the limiting blocks and the fixing blocks, the connecting piece is rotated, the nuts are connected with the connecting piece, and when the angle of the pipelines connected to the rubber pipe needs to be adjusted, the connecting piece is unscrewed, and the connecting piece is screwed off; and the nut is rotated, the nut drives the bent pipe body to rotate, the bent pipe body drives the pipeline at the rubber pipe to rotate and adjust, and the flexibility of the device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of connection fittings equipment, in particular to a PPR connection fitting. Background Art

[0002] PPR is called random copolymer polypropylene. It has high performance and can be processed into a variety of pipes and pipe accessories, including straight-through and tee pipes. PPR pipes are currently common pipe fittings and are widely used in building water supply and drainage, urban and rural water supply and drainage, city gas, electricity and optical cable sheathing, industrial fluid transportation, agricultural irrigation and other construction, municipal, industrial and agricultural fields.

[0003] The application number is CN202121768056.3, which discloses a PPR connection fitting, which relates to the technical field of pipeline installation, specifically a PPR connection fitting, including a connector, wherein a card slot and an annular groove are respectively provided at both ends of the connector, and a sealing block is fixedly connected to the inside of the card slot and the annular groove, a water pipe is inserted into the inside of the card slot, and an annular block is inserted into the inside of the annular groove, and a spring slot is provided on the outer surface of the connector, and a limit spring is fixedly connected to the inside of the spring slot. The PPR connection fitting, through the arrangement of the sealing block, the annular block, the limit spring, the cross bar, the limit block and the pressure block, enables the PPR connection fitting to have the effect of facilitating connection with the pipeline. During use, the sealing block improves the sealing of the connection, and the arrangement of the limit block and the limit spring facilitates the position of the pipeline, thereby facilitating the connection with the pipeline and achieving the purpose of facilitating the connection with the pipeline.

[0004] A PPR connection fitting disclosed in the above document has the following defect: during the use of the material, when the connected pipe needs to be rotated and adjusted, the setting cannot adjust the direction of the pipe, which has certain limitations.

[0005] It can be seen from this that the existing PPR connection accessories do not have the function of adjusting the direction of the pipeline, and it is necessary to improve the shortcomings and provide a function that can adjust the direction of the pipeline. Summary of the invention

[0006] The object of the present invention is to provide a PPR connection fitting to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is a PPR connection fitting, including a connection fitting body, the connection fitting body including a fixed block, a connection block is fixedly connected to an outer wall of one side of the fixed block, a nut is sleeved on the outside of the connection block, a thread is provided on the inner wall of the nut, and a limiting block is fixedly connected to an outer wall of a side of the connection block away from the fixed block. The purpose of such a setting is that during the use of the connection fitting, two pipes are respectively installed at the rubber tube and the connector, the limiting block and the fixed block limit and fix the nut on the outer wall of the connection block, the connector is rotated, and the nut is connected to the connector. When it is necessary to adjust the angle of the pipe connected to the rubber tube, the connector is loosened, the nut is rotated, the nut drives the bent pipe body to rotate, and the bent pipe body drives the pipe at the rubber tube to rotate and adjust, thereby improving the flexibility of the setting.

[0008] Furthermore, a bent pipe body is fixedly connected to the outer wall of the fixed block on one side away from the connecting block. The purpose of such a setting is that during the use of the connecting accessory, the limit block and the fixed block limit and fix the nut on the outer wall of the connecting block, connect the fixed block with the bent pipe body, and facilitate the further rotation of the rubber tube driven by the bent pipe body, and the rotation and adjustment of the pipeline driven by the rubber tube.

[0009] Furthermore, an annular groove is provided on the inner wall of the bottom of the curved pipe body, and a rubber tube is sleeved on the inner wall of the annular groove. The purpose of such a setting is to make the rubber tube a detachable structure during the use of the connecting fitting, and when pipes of different sizes need to be installed, rubber tubes of different models can be replaced, and the appropriate rubber tube can be inserted into the annular groove for position-limited connection, thereby improving the flexibility of the setting.

[0010] Furthermore, a connecting piece is sleeved on the inner wall of the nut, and a second thread is provided on the outer wall of the connecting piece. The purpose of such arrangement is to facilitate the threaded connection of the connecting piece and the nut during the use of the connecting accessory.

[0011] Furthermore, the connector is threadedly connected to the inner wall of the nut. The purpose of this arrangement is to make the connector a detachable structure during the use of the connection accessory. When pipes of different sizes need to be installed, connectors of different models can be replaced, and then the connector is connected to the nut by using the second thread to connect the two pipes.

[0012] Furthermore, a rubber ring is sleeved on the outer wall of the connector, and the rubber ring is located between the nut and the connector. The purpose of this arrangement is that during the use of the connecting accessory, the rubber ring fills the gap between the connector and the nut, increases the friction of the threaded connection, makes the connector or the nut not easy to fall off, and plays a reinforcing role.

[0013] The present invention has the following beneficial effects: (1) The present invention provides a nut. During the use of the connecting accessory, two pipes are respectively installed at the rubber tube and the connecting piece. The limit block and the fixing block limit and fix the nut on the outer wall of the connecting block. The connecting piece is rotated to connect the nut to the connecting piece. When it is necessary to adjust the angle of the pipe connected to the rubber tube, the connecting piece is loosened and the nut is rotated. The nut drives the bent pipe body to rotate, and the bent pipe body drives the pipe at the rubber tube to rotate and adjust, thereby improving the flexibility of the arrangement.

[0014] (2) The present invention provides an annular groove so that the rubber tube has a detachable structure during the use of the connecting fitting. When pipes of different sizes need to be installed, rubber tubes of different types can be replaced and a suitable rubber tube can be inserted into the annular groove for position-limiting connection, thereby improving the flexibility of the setting.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic diagram of the side structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 4 It is a schematic diagram of the back structure of the present invention; In the accompanying drawings, the components represented by the reference numerals are listed as follows: In the figure: 1. connecting accessory body; 101. bent pipe body; 102. fixing block; 103. nut; 104. thread one; 105. connecting block; 106. limiting block; 107. annular groove; 108. rubber tube; 110. connecting piece; 111. thread two; 112. rubber ring. Implementation

[0018] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0019] See also Figure 1 - Figure 4 As shown, the present invention is a PPR connecting fitting, including a connecting fitting body 1, the connecting fitting body 1 includes a fixed block 102, a connecting block 105 is fixedly connected to an outer wall on one side of the fixing block 102, a nut 103 is sleeved on the outside of the connecting block 105, a thread 104 is provided on the inner wall of the nut 103, and a limiting block 106 is fixedly connected to the outer wall of the connecting block 105 away from the fixing block 102. The purpose of such arrangement is that during the use of the connecting fitting, the two pipes are respectively installed at the rubber tube 108 and the connecting piece 110, the limit block 106 and the fixing block 102 limit and fix the nut 103 on the outer wall of the connecting block 105, the connecting piece 110 is rotated to connect the nut 103 to the connecting piece 110, and when it is necessary to adjust the angle of the pipe connected at the rubber tube 108, the connecting piece 110 is loosened and the nut 103 is rotated. The nut 103 drives the bent pipe body 101 to rotate, and the bent pipe body 101 drives the pipe at the rubber tube 108 to rotate and adjust, thereby improving the flexibility of the arrangement.

[0020] The bent pipe body 101 is fixedly connected to the outer wall of the fixing block 102 on one side away from the connecting block 105. The purpose of such a setting is that during the use of the connecting accessory, the limit block 106 and the fixing block 102 limit and fix the nut 103 on the outer wall of the connecting block 105, and connect the fixing block 102 with the bent pipe body 101, so that the bent pipe body 101 can further drive the rubber tube 108 to rotate, and the rubber tube 108 can drive the pipeline to rotate and adjust.

[0021] An annular groove 107 is provided on the inner wall of the bottom of the curved pipe body 101, and a rubber tube 108 is sleeved on the inner wall of the annular groove 107. The purpose of such a setting is to make the rubber tube 108 detachable during the use of the connecting fitting. When pipes of different sizes need to be installed, rubber tubes 108 of different models can be replaced, and the appropriate rubber tube 108 can be inserted into the annular groove 107 for position-limited connection, thereby improving the flexibility of the setting.

[0022] A connector 110 is sleeved on the inner wall of the nut 103, and a thread 111 is provided on the outer wall of the connector 110. The purpose of this arrangement is to facilitate the threaded connection of the connector 110 and the nut 103 during the use of the connection accessory.

[0023] The connector 110 is threadedly connected to the inner wall of the nut 103. The purpose of this arrangement is that during the use of the connection accessory, the connector 110 is a detachable structure. When pipes of different sizes need to be installed, connectors 110 of different models can be replaced, and then the connector 110 and the nut 103 are connected by the second thread 111 to connect the two pipes.

[0024] A rubber ring 112 is sleeved on the outer wall of the connector 110, and the rubber ring 112 is located between the nut 103 and the connector 110. The purpose of this arrangement is that during the use of the connection accessory, the rubber ring 112 fills the gap between the connector 110 and the nut 103, increases the friction force at the threaded connection, makes the connector 110 or the nut 103 not easy to fall off, and plays a reinforcing role.

[0025] When in use, the two pipes are respectively installed at the rubber tube 108 and the connecting piece 110, the limit block 106 and the fixing block 102 limit and fix the nut 103 on the outer wall of the connecting block 105, the connecting piece 110 is rotated to connect the nut 103 to the connecting piece 110, and when it is necessary to adjust the angle of the pipe connected to the rubber tube 108, the connecting piece 110 is loosened and the nut 103 is rotated. The nut 103 drives the bent pipe body 101 to rotate, and the bent pipe body 101 drives the pipe at the rubber tube 108 to rotate and adjust, thereby improving the flexibility of the setting.

[0026] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A PPR connection fitting, comprising a connection fitting body (1), characterized in that: The connecting fitting body (1) comprises a fixing block (102), a connecting block (105) being fixedly connected to an outer wall of one side of the fixing block (102), a nut (103) being sleeved on the outside of the connecting block (105), a thread (104) being provided on the inner wall of the nut (103), and a limiting block (106) being fixedly connected to an outer wall of a side of the connecting block (105) away from the fixing block (102).

2. A PPR connection fitting according to claim 1, characterized in that: A bent pipe body (101) is fixedly connected to an outer wall of a side of the fixing block (102) away from the connecting block (105).

3. A PPR connection fitting according to claim 2, characterized in that: An annular groove (107) is provided on the inner wall of the bottom of the curved tube body (101), and a rubber tube (108) is sleeved on the inner wall of the annular groove (107).

4. A PPR connection fitting according to claim 1, characterized in that: A connecting piece (110) is sleeved on the inner wall of the nut (103), and a second thread (111) is provided on the outer wall of the connecting piece (110).

5. A PPR connection fitting according to claim 4, characterized in that: The connecting piece (110) is threadedly connected to the inner wall of the nut (103).

6. A PPR connection fitting according to claim 4, characterized in that: A rubber ring (112) is sleeved on the outer wall of the connecting piece (110), and the rubber ring (112) is located between the nut (103) and the connecting piece (110).

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