Connecting device for centralized liquid supply system

Abstract

The utility model relates to the technical field of liquid supply system connection, and provides a connecting device for a centralized liquid supply system, which comprises connectors, a limiting ring, a screwing ring, a rotating ring, a connecting through pipe, a rotating ring and a sliding block, the connectors are fixedly arranged at two ends of the connecting through pipe, the screwing ring is rotatably arranged on the connecting through pipe, the limiting ring is matched with the connectors, and the rotating ring is matched with the sliding block. The rotating ring is arranged between the limiting ring and the connector in a rotating mode, the rotating ring and the screwing ring are arranged in a matched mode, the sliding block is arranged on the rotating ring in a sliding mode, and the sliding block abuts against the interior of the limiting ring. The sliding block is matched with the limiting ring to abut against the hose, and the hose is fixed through the sliding block.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid supply system connecting technical field especially, the connecting device for centralized liquid supply system. BACKGROUND

[0002] The connecting device is a kind of instrument tool installed on the pipeline of dialysis machine, to cooperate with concentrated liquid to carry out centralized liquid supply and carry out blood dialysis work, the traditional connecting device includes the connecting body of internal communication;One end detachably connected connecting body, the liquid inlet pipe for being detachably connected with centralized liquid supply system at the other end;One end detachably connected connecting body, the quick connector for being detachably connected with blood dialysis machine or liquid return pipe at the other end;Liquid outlet pipe for being detachably connected with connecting body, and it has the characteristics of effectively avoiding the generation of dead space, to solve the problem that the connecting device for centralized liquid supply system is exposed in air and causes bacteria breeding, but needs to be connected repeatedly during connection use, and long time is prone to wear and tear and loosening at connecting portion, to cause pipeline connection leakage, affect use.

[0003] As shown in the application No.: CN202121816353.0 for the connecting device for centralized liquid supply system, including: including the connecting body of internal communication;One end detachably connected connecting body, the liquid inlet pipe for being detachably connected with centralized liquid supply system at the other end;One end detachably connected connecting body, the quick connector for being detachably connected with blood dialysis machine or liquid return pipe at the other end;Liquid outlet pipe for being detachably connected with connecting body, and some examples of the utility model structure is simple, when blood dialysis machine is not used, and the connecting device for centralized liquid supply system is in the disinfection state, liquid inlet pipe connects centralized liquid supply system, liquid return pipe connects connecting body and quick connector, liquid inlet pipe, connecting body inner cavity, quick connector, liquid return pipe and liquid outlet pipe are communicated.

[0004] In the above scheme, in the hose and device connection, it is prone to fall off due to external influence, disconnect, affect device use and liquid supply, and need to assist hose fixing. Utility model content

[0005] In order to solve the problem that hose connection is prone to fall off, the utility model provides the connecting device for centralized liquid supply system to solve the problem.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a connecting device for centralized liquid supply system, including: connecting head, limit ring, screw ring, connecting pipe, rotating ring and sliding block, the connecting head is equipped with two groups, two groups of connecting head fixedly arranged at the both ends of connecting pipe, the screw ring is rotatably arranged on the connecting pipe, the limit ring is arranged in one end of screw ring, and the rotating ring is rotatably arranged between the limit ring and the connecting head, and the rotating ring is connected with the screw ring, the sliding block is slidably arranged on the rotating ring.

[0008] Preferably, the connecting head has a through hole inside, a stepped surface is arranged on the outer surface of the connecting head, a plurality of layers of steps are arranged on the stepped surface, a gentle slope is arranged between the steps, a fixed head is arranged on one side of the connecting head, and the fixed head is fixedly arranged on the connecting pipe.

[0009] Preferably, a fixing seat is arranged on the connecting pipe, the fixed head is fixedly arranged on the fixing seat, a rotating seat is fixedly arranged on the connecting pipe, the screw ring is rotatably arranged on the rotating seat, a pipe connecting groove is arranged on the rotating seat, a receiving groove is arranged between the rotating seat and the connecting pipe, and the screw ring is slidably arranged in the receiving groove.

[0010] Preferably, a connecting groove is arranged in one end of the screw ring, the connecting groove and the pipe connecting groove are fixedly connected through a fixed connecting ring, a limit connecting ring is fixedly arranged in the other end of the screw ring, a driving thread is fixedly arranged in the screw ring, and the driving thread is arranged in cooperation with the rotating ring.

[0011] Preferably, a driven thread is fixedly arranged on the rotating ring, the driven thread is arranged in cooperation with the driving thread, a square supporting column is fixedly arranged on the rotating ring, a threaded hole is arranged in the square supporting column, and the sliding block is slidably arranged on the square supporting column.

[0012] Preferably, a sliding limit groove is arranged on the sliding block, a sliding connecting groove is arranged at the bottom of the sliding limit groove, and the sliding block is fixedly arranged on the threaded hole through a bolt penetrating through the sliding connecting groove.

[0013] Preferably, a stepped limit groove is arranged in the limit ring, the stepped limit groove is the same as and aligned with the stepped surface, a limit ring connecting ring is fixedly arranged on the limit ring, and the limit ring connecting ring is connected with the limit connecting ring through a connecting ring.

[0014] Preferably, a fixed sheet is fixedly arranged on the fixed connecting ring, a fixed hole is arranged on the fixed sheet, three groups of fixed rings are fixedly arranged in the fixed connecting ring, the fixed rings are slidably arranged in the connecting groove and the pipe connecting groove, and the two groups of fixed connecting rings are fixedly connected through the fixed hole and a fixed bolt.

[0015] The advantages of this invention are as follows: By setting the hose on the connector head and using the stepped mechanism, it can be used for hoses of different diameters. After the hose is set, the rotating ring is driven forward by turning the ring. The two ends of the sliding block on the rotating ring abut against the inside of the limiting ring and the hose. The stepped limiting groove inside the limiting ring pushes the sliding block, so that the two ends of the sliding block are always in contact with the inside of the limiting ring and the hose. Through the cooperation of multiple sets of sliding blocks, the hose is fixed on the connector head, improving the stability of the hose. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a side sectional view of the present invention;

[0019] Figure 3 This is a side sectional view of the drive component of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal components of this utility model;

[0021] Figure 5 This is a schematic diagram of the rotating ring structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the sliding block of this utility model;

[0023] Figure 7 This is a side sectional view of the connecting component of this utility model;

[0024] Figure 8 This is a side sectional view of the fixed connecting ring and the limiting ring of this utility model;

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Connector; 2. Limiting ring; 3. Tightening ring; 4. Connecting pipe; 5. Rotating ring; 6. Sliding block; 7. Connecting ring; 8. Fixed connecting ring; 11. Stepped structure; 12. Fixed head; 21. Limiting ring connecting ring; 22. Stepped limiting groove; 31. Connecting groove; 32. Limiting connecting ring; 33. Driving thread; 41. Fixed seat; 42. Rotating seat; 43. Pipe connecting groove; 44. Storage groove; 51. Driven thread; 52. Square support column; 53. Threaded hole; 61. Sliding limiting groove; 62. Sliding connecting groove; 81. Fixing piece; 82. Fixing hole; 83. Fixing ring. Detailed Implementation

[0027] Embodiment one, in combination Figure 1 and Figure 2 are described as follows:

[0028] The connecting device for centralized liquid supply system comprises connecting heads 1, limiting rings 2, twisting rings 3, connecting tubes 4, rotating rings 5 and sliding blocks 6. The two connecting heads 1 are fixedly arranged at the two ends of the connecting tube 4. The twisting ring 3 is rotatably arranged on the connecting tube 4. The limiting ring 2 is arranged at one end of the twisting ring 3. The rotating ring 5 is rotatably arranged between the limiting ring 2 and the connecting head 1. The rotating ring 5 is connected with the twisting ring 3. The sliding block 6 is slidably arranged on the rotating ring 3.

[0029] In this way, the user sets the liquid supply hose on the connecting head 1. The rotating ring 5 is driven to move by the twisting ring 3. The sliding block 6 is driven to move by the rotating ring 5. The sliding block 6 is slid under the limitation of the limiting ring 2. The sliding block 6 clamps the liquid supply hose under the cooperation of the limiting ring 2 and the connecting head 1, thereby completing the fixation of the hose.

[0030] Embodiment two, in combination Figure 2 and Figure 3 are described as follows:

[0031] The connecting head 1 is internally provided with a through hole. The outer surface of the connecting head 1 is provided with a stepped ladder 11. The stepped ladder 11 is provided with multiple layers of steps. The steps are provided with gentle slopes. The connecting head 1 is provided with a fixed head 12. The fixed head 12 is fixedly arranged on the connecting tube 4. The connecting tube 4 is provided with a fixed seat 41. The fixed head 12 is fixedly arranged on the fixed seat 41. The connecting tube 4 is fixedly provided with a rotating seat 42. The twisting ring 3 is rotatably arranged on the rotating seat 42. The rotating seat 42 is provided with a tube connecting groove 43. The rotating seat 42 and the connecting tube 4 are provided with a receiving groove 44. The rotating ring 5 is slidably arranged in the receiving groove 44.

[0032] In this way, the stepped ladder 11 is arranged on the connecting head 1, so that the connecting head 1 can adapt to different models of liquid supply hoses. The liquid supply hose is arranged on the connecting head 1. The connecting head 1 is fixedly arranged at the two ends of the connecting tube 4 through the cooperation of the fixed head 12 and the fixed seat 41. The twisting ring 3 is rotatably arranged on the rotating seat 42. The twisting ring 3 drives the rotating ring 5 in cooperation with the rotating seat 42.

[0033] Embodiment three, in combination Figure 4 , Figure 5 , Figure 6 and Figure 7 are described as follows:

[0034] The end of the twisting ring 3 is provided with a connecting groove 31, and the connecting groove 31 is fixedly connected between the through pipe connecting groove 43 through the fixed connecting ring 8. The other end of the twisting ring 3 is fixedly provided with a limiting connecting ring 32. The driving thread 33 is fixedly arranged in the twisting ring 3, and the driving thread 33 is arranged in cooperation with the rotating ring 5. The driving thread 33 is arranged in cooperation with the driving thread 33. The square support column 52 is fixedly arranged on the rotating ring 5. The square support column 52 is provided with a threaded hole 53. The sliding block 6 is slidably arranged on the square support column 52. The sliding limiting groove 61 is arranged on the sliding block 6. The sliding limiting groove 61 is arranged on the sliding limiting groove 61. The sliding block 6 is fixedly arranged on the threaded hole 53 through the bolt passing through the sliding connecting groove 62.

[0035] In this way, the twisting ring 3 can drive the rotating ring 5 through the cooperation between the driving thread 33 and the driving thread 51. The rotating ring 5 drives the sliding block 6 to advance. The sliding block 6 is slidably arranged on the square support column 52 through the sliding connecting groove 62. The sliding block 6 slides under the cooperation of the sliding limiting groove 61 and the square support column 52, so that the sliding block 6 is always in contact with the connecting head 1 and the limiting ring 2 without rotating.

[0036] In example four, on the basis of example three, in combination with Figure 8 It is explained:

[0037] The limiting ring 2 is internally provided with a stepped limiting groove 22. The stepped limiting groove 22 is the same as and aligned with the stepped ladder 11. The limiting ring connecting ring 21 is fixedly arranged on the limiting ring 2. The limiting ring connecting ring 21 is connected in cooperation with the limiting connecting ring 32 through the connecting ring 7. The fixed connecting ring 8 is fixedly provided with a fixed sheet 81. The fixed sheet 81 is provided with a fixed hole 82. Three groups of fixed rings 83 are fixedly arranged in the fixed connecting ring 8. The fixed rings 83 are slidably arranged in the connecting groove 31 and the through pipe connecting groove 43. Two groups of fixed connecting rings 8 are fixedly connected through the fixed hole 82 and the fixed bolt.

[0038] In this way, the length of the sliding block 6 is less than the distance between the limiting ring 2 and the connecting head 1. The width of the sliding limiting groove 61 is the same as the width of the square support column 52. The sliding block 6 slides under the influence of the stepped limiting groove 22. The liquid supply hose fixedly arranged on the stepped ladder 11 abuts against the sliding block 6. A plurality of sliding blocks 6 abut against the surface of the liquid supply hose to fix the liquid supply hose. The limiting ring connecting ring 21 and the limiting connecting ring 32 cooperate with the connecting ring 7 to arrange the limiting ring 2 at one end of the twisting ring 3. The other end of the twisting ring 3 is rotatably arranged on the connecting through pipe 4 through the two groups of fixed rings 83 and the connecting groove 31 and the through pipe connecting groove 43. The two groups of fixed rings 83 are fixedly connected through the bolt.

[0039] The utility model discloses a working principle: user sets up liquid supply hose on the connector 1, through the step ladder 11 to the liquid supply hose of different models is adapted, and user drives rotating ring 5 through the screw ring 3, and rotating ring 5 drives sliding block 6 to move, and sliding block 6 is influenced under the square support column 52 and sliding limit groove 61 and carries out linear sliding, and sliding block 6 is influenced under the step limit groove 22 and carries out sliding, and sliding block 6 one side is abutted with the limit ring 2, and sliding block 6 other side is abutted with the liquid supply hose surface, and a plurality of sets of sliding block 6 are abutted with the liquid supply hose and complete fixed, the utility model discloses simple operation, and the effect is remarkable, and sets up the hose on the connector 1, and drives rotating ring 5 through the screw ring 3, and rotating ring 5 drives sliding block 6, and sliding block 6 cooperates with the limit ring 2 and abuts with the hose, and the hose is fixed through sliding block 6.

[0040] For those skilled in the art, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic features of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any slight modification, equivalent replacement and improvement according to the technical essence of the utility model to the above embodiment should be included in the protection scope of the technical scheme of the utility model.

Claims

1. Connection device for a central liquid supply system, characterized in that Include: The connecting head (1) is provided with two groups, two groups of connecting head (1) is fixedly arranged at the two ends of connecting pipe (4), the rotating ring (3) is rotatably arranged on the connecting pipe (4), the limiting ring (2) is arranged at one end of the rotating ring (3), the rotating ring (5) is rotatably arranged between the limiting ring (2) and the connecting head (1), the rotating ring (5) is connected with the rotating ring (3), the sliding block (6) is slidably arranged on the rotating ring (5).

2. The connection device for a centralized liquid supply system according to claim 1, characterized in that The connecting head (1) has a through hole inside, the outer surface of the connecting head (1) is provided with a stepped ladder (11), a plurality of layers of ladders are arranged on the stepped ladder (11), a gentle slope is arranged between the ladders, a fixed head (12) is arranged on one side of the connecting head (1), and the fixed head (12) is fixedly arranged on the connecting pipe (4).

3. The connection device for a centralized liquid supply system according to claim 2, characterized in that The connecting pipe (4) is provided with a fixed seat (41), the fixed head (12) is fixedly arranged on the fixed seat (41), the connecting pipe (4) is fixedly provided with a rotating seat (42), the rotating ring (3) is rotatably arranged on the rotating seat (42), the rotating seat (42) is provided with a pipe connecting groove (43), the rotating seat (42) and the connecting pipe (4) are provided with a receiving groove (44), and the rotating ring (5) is slidably arranged in the receiving groove (44).

4. The connection device for a centralized liquid supply system according to claim 3, characterized in that One end of the rotating ring (3) is provided with a connecting groove (31), the connecting groove (31) and the pipe connecting groove (43) are fixedly connected through a fixed connecting ring (8), the other end of the rotating ring (3) is fixedly provided with a limiting connecting ring (32), a driving thread (33) is fixedly arranged in the rotating ring (3), and the driving thread (33) is arranged in cooperation with the rotating ring (5).

5. The connection device for a centralized liquid supply system according to claim 4, characterized in that The rotating ring (5) is fixedly provided with a driven thread (51), the driven thread (51) is arranged in cooperation with the driving thread (33), the rotating ring (5) is fixedly provided with a square support column (52), the square support column (52) is provided with a threaded hole (53), and the sliding block (6) is slidably arranged on the square support column (52).

6. The connection device for a centralized liquid supply system according to claim 5, characterized in that The sliding block (6) is provided with a sliding limiting groove (61), the bottom of the sliding limiting groove (61) is provided with a sliding connecting groove (62), and the sliding block (6) is fixedly arranged on the threaded hole (53) by penetrating the sliding connecting groove (62) through the bolt.

7. The connection device for a centralized liquid supply system according to claim 6, characterized in that The limiting ring (2) is provided with a stepped limiting groove (22) inside, the stepped limiting groove (22) is the same as and aligned with the stepped ladder (11), the limiting ring (2) is fixedly provided with a limiting ring connecting ring (21), and the limiting ring connecting ring (21) and the limiting connecting ring (32) are connected in cooperation through the connecting ring (7).

8. The connecting device for a centralized liquid supply system according to claim 4, characterized in that The fixed connection ring (8) is fixedly provided with a fixed sheet (81), the fixed sheet (81) is provided with a fixed hole (82), three groups of fixed rings (83) are fixed in the fixed connection ring (8), the fixed rings (83) are slidingly arranged in the connecting groove (31) and the through pipe connecting groove (43), and two groups of fixed connection rings (8) are fixedly connected through the fixed hole (82) and the fixed bolt.

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