A tee valve fixture

Abstract

The present application provides a kind of three-way valve fixing device, comprising: three-way valve holder, three-way valve can be placed on the upper surface of three-way valve holder;Multiple vertical blocks, multiple vertical blocks protrude upward from the upper surface of three-way valve holder, form multiple strip notches between multiple vertical blocks, three ports of three-way valve can be accommodated in multiple strip notches respectively;And clamping and mechanism, clamping and mechanism are arranged in vertical block, for making three-way valve and three-way valve holder fixed connection and making three-way valve can be separated from the fixed connection of three-way valve holder.The present application can make operator very easily, efficiently complete the fixation of three-way valve.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bioengineering, and particularly relates to a three-way valve fixing device. BACKGROUND

[0002] A three-way valve is often used in medical consumable pipelines to disconnect or connect different pipelines, so that the liquid in the pipeline flows in different directions. The three-way valve needs to be stably fixed on the equipment during work, and can be conveniently removed after work. The fixing method on the market mainly clamps the three-way valve through interference fit, which requires a lot of force to install and remove, and has the risk of falling off during work, causing serious accidents. SUMMARY

[0003] The purpose of the present application is to preliminarily limit the three-way valve on the three-way valve seat, and then clamp the three-way valve with an automatic reset clamping plate, so as to prevent the three-way valve from falling off the three-way valve seat during work, and easily remove the three-way valve from the three-way valve seat by gently pulling the clamping plate.

[0004] To achieve the above-mentioned purpose or one of the purposes, the present application provides the following.

[0005] In one aspect, the present application provides a three-way valve fixing device for fixing a three-way valve, the three-way valve comprising a three-way valve first port, a three-way valve second port and a three-way valve third port, the three-way valve fixing device comprising:

[0006] a three-way valve seat, the three-way valve being capable of being placed on an upper surface of the three-way valve seat;

[0007] a plurality of vertical blocks, the plurality of vertical blocks protruding upward from the upper surface of the three-way valve seat, a plurality of strip-shaped notches being formed between the plurality of vertical blocks, the three-way valve first port, the three-way valve second port and the three-way valve third port being capable of being respectively accommodated in the plurality of strip-shaped notches; and

[0008] a clamping and releasing mechanism arranged in the vertical block, for enabling the three-way valve to be fixedly connected with the three-way valve seat and enabling the three-way valve to be disconnected from the fixed connection with the three-way valve seat.

[0009] In one embodiment, the plurality of vertical blocks comprises four vertical blocks, three strip-shaped notches being formed between the four vertical blocks, the three-way valve first port, the three-way valve second port and the three-way valve third port being capable of being respectively accommodated in the three strip-shaped notches.

[0010] In one embodiment, the four vertical blocks comprise a first vertical block, a second vertical block, a third vertical block and a fourth vertical block, the first vertical block and the second vertical block being symmetrically arranged, and the third vertical block and the fourth vertical block being symmetrically arranged.

[0011] In one embodiment, the clamping and releasing mechanism comprises:

[0012] a guide groove, the guide groove being provided in the third and fourth upright blocks;

[0013] a clamping plate, the clamping plate being capable of sliding in the guide groove; and

[0014] a tension spring, one end of the tension spring being fixed to the upright block, the other end of the tension spring being fixed to the clamping plate.

[0015] In one embodiment, the clamping plate comprises:

[0016] a pulling portion, the pulling portion being provided at an outer end of the clamping plate, the pulling portion being used to pull the clamping plate to slide in the guide groove against the elastic force of the tension spring;

[0017] a clamping portion, the clamping portion being provided at an inner end of the clamping plate, the clamping portion being capable of sliding in the guide groove, and the clamping portion being capable of extending and covering at least part of the strip-shaped notch formed between the first upright block and the third upright block and / or at least part of the strip-shaped notch formed between the second upright block and the fourth upright block without pulling the pulling portion, so as to fix the three-way valve on the three-way valve clamping seat.

[0018] In one embodiment, a guide slope is provided on a side of the first upright block facing the third upright block and / or a side of the second upright block facing the fourth upright block, which is used as a guide when fixing the three-way valve on the three-way valve clamping seat.

[0019] In one embodiment, a guide slope is provided on an end of the clamping plate facing the first upright block and / or an end of the clamping plate facing the second upright block, which is used as a guide when fixing the three-way valve on the three-way valve clamping seat.

[0020] In one embodiment, a protrusion is provided at a lower part of the outer end of the clamping plate, a protrusion hole is provided on the protrusion, and a grooved pin is provided on the upright block.

[0021] In one embodiment, one end of the tension spring is fixed in the groove of the pin, and the other end of the tension spring is fixed in the protrusion hole on the protrusion of the outer end of the clamping plate.

[0022] In one embodiment, the clamping mechanism further comprises a limiting mechanism, the limiting mechanism comprising:

[0023] a limiting column, the limiting column protruding upward from the three-way valve clamping seat; and

[0024] a limiting hole, the limiting hole being provided on the clamping plate, the limiting column protruding into the limiting hole.

[0025] In the present application, the clamping plate can clamp the three-way valve at the upper part, which can prevent the three-way valve from falling out when working. The front end of the clamping plate is provided with a clamping plate guide slope, which can automatically push the clamping plate to retreat and form an unlocked state when the three-way valve is installed. When the three-way valve is completely installed on the three-way valve clamping seat, the clamping plate can be automatically reset by the extension spring, thereby clamping the three-way valve. The operator can very easily and efficiently complete the fixing of the three-way valve. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a perspective view of a three-way valve fixing device according to an embodiment of the present application.

[0027] Figure 2 It is a rear view of a three-way valve fixing device according to an embodiment of the present application.

[0028] Figure 3 It is a top view of a three-way valve fixing device according to an embodiment of the present application.

[0029] Figure 4 It is a perspective view of a three-way valve fixing device according to an embodiment of the present application.

[0030] LIST OF REFERENCE NUMBERS:

[0031] 1 three-way valve

[0032] 2 pulling part

[0033] 3 limiting column

[0034] 4 extension spring

[0035] 5 three-way valve clamping seat

[0036] 6 pin

[0037] 7 strip-shaped notch

[0038] 8 third vertical block

[0039] 9 clamping plate guide slope

[0040] 10 limiting hole

[0041] 11 protruding block

[0042] 12 protruding block hole

[0043] 13 fourth vertical block

[0044] 14 recess or notch

[0045] 15 first vertical block

[0046] 16 clamping plate

[0047] 17 vertical block guide slope

[0048] 18 second upright block

[0049] 101 first port of the three-way valve

[0050] 102 second port of the three-way valve

[0051] 103 third port of the three-way valve DETAILED DESCRIPTION

[0052] Exemplary embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals are used to refer to the same or like elements throughout. Additionally, in the detailed description of embodiments, a number of specific details are described to provide a thorough understanding of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form to avoid obscuring the underlying principles of the present disclosure.

[0053] In some embodiments of the present application, two guide-groove-equipped upright blocks 8 and 13 are provided at one end of the three-way valve holder 5, two guide-groove-equipped pins 6 are mounted on the left and right upright blocks 8 and 13, and a clamping plate 16 can slide in the guide grooves of the upright blocks 8 and 13. The clamping plate 16 is in the shape of a U, has a clamping plate guide slope 9 at the front end as a guide for installation of the three-way valve 1, has two protrusions 11 at the lower part of the outer end, the protrusions 11 have protrusion holes 12, and has a protruding surrounding edge at the upper part of the outer end as a pulling portion for pulling the clamping plate. One end of a tension spring 4 is fixed in the guide groove of the pin 6, and the other end of the tension spring 4 is fixed in the protrusion hole 12 of the protrusion 11 at the outer end of the clamping plate 16. When the clamping plate 16 is pulled backward, the tension spring 4 automatically pulls the clamping plate 16 back to the original position. The exposed end of a limiting column 3 is fixed on the three-way valve holder 5 and falls into the limiting hole 10 on the clamping plate 16. Thus, the sliding stroke of the clamping plate 16 is the length of the limiting hole 10, and over-pulling of the clamping plate 16 to cause failure of the tension spring 4 is prevented.

[0054] In some embodiments of the present application, the three-way valve 1 is pressed from above, when the three-way valve 1 contacts the clamping plate guide slope 9 at the front end of the clamping plate 16, the component force of the downward pressure automatically causes the clamping plate 16 to retreat, after the three-way valve 1 enters the strip-shaped notch 7 of the three-way valve holder 5, the tension spring 4 automatically pulls the clamping plate 16 back to the original position, so that the front end of the clamping plate 16 clamps the three-way valve 1, and the three-way valve 1 is prevented from being pulled out.

[0055] If it is necessary to separate the three-way valve 1 from the three-way valve holder 5, the clamping plate 16 can be gently pulled backward along the direction of arrow B in FIG. 1, the front end of the clamping plate 16 is separated from the three-way valve 1, and the three-way valve 1 can be taken out from the three-way valve holder 5. Figure 1

[0056] Figure 1 ​The position of the three-way valve 1 before being pressed into the fixing device is shown by the dashed line in the figure. Figure 1 The position of the three-way valve 1 after being pressed into the fixing device is shown by the solid line in the figure. The three-way valve 1 is pressed into the fixing device along the direction of the arrow A. Figure 1

[0057] In some embodiments of the present application, a three-way valve fixing device is provided for fixing a three-way valve, the three-way valve comprising a three-way valve first port 101, a three-way valve second port 102 and a three-way valve third port 103, the three-way valve fixing device comprising:

[0058] a three-way valve seat 5, the three-way valve 1 being capable of being placed on the upper surface of the three-way valve seat 5;

[0059] a plurality of upright blocks, the plurality of upright blocks protruding upward from the upper surface of the three-way valve seat 5, a plurality of strip-shaped notches 7 being formed between the plurality of upright blocks, the three-way valve first port 101, the three-way valve second port 102 and the three-way valve third port 103 being capable of being respectively accommodated in the plurality of strip-shaped notches 7; and

[0060] a clamping and releasing mechanism, the clamping and releasing mechanism being arranged in the upright blocks, for enabling the three-way valve 1 to be fixedly connected with the three-way valve seat 5 and enabling the three-way valve 1 to be released from the fixed connection with the three-way valve seat 5.

[0061] The plurality of upright blocks comprises four upright blocks, three strip-shaped notches 7 being arranged between the four upright blocks, the three-way valve first port 101, the three-way valve second port 102 and the three-way valve third port 103 being capable of being respectively accommodated in the three strip-shaped notches 7.

[0062] The four upright blocks comprise a first upright block 15, a second upright block 18, a third upright block 8 and a fourth upright block 13, the first upright block 15 and the second upright block 18 being symmetrically arranged, the third upright block 8 and the fourth upright block 13 being symmetrically arranged.

[0063] The clamping and releasing mechanism comprises:

[0064] a guide groove, the guide groove being arranged in the third upright block 8 and the fourth upright block 13;

[0065] a clamping and releasing plate 16, the clamping and releasing plate 16 being capable of sliding in the guide groove; and

[0066] a tension spring 4, one end of the tension spring 4 being fixed to the upright blocks, the other end of the tension spring 4 being fixed to the clamping and releasing plate 16.

[0067] The clamping and releasing plate 16 comprises:

[0068] a pulling portion 2, the pulling portion 2 being arranged at the outer end of the clamping and releasing plate 16, for pulling the clamping and releasing plate 16 to slide in the guide groove against the elastic force of the tension spring 4;

[0069] ​The clamping and locking mechanism further comprises a clamping and locking part 2, which is arranged at the inner end of the clamping and locking plate 16, the clamping and locking part 2 is capable of sliding in the guide groove, and without pulling the pulling part 2, the clamping and locking part 2 is capable of extending and covering at least part of the strip-shaped notch formed between the first vertical block 15 and the third vertical block 8 and / or at least part of the strip-shaped notch formed between the second vertical block 18 and the fourth vertical block 13, so as to fix the three-way valve 1 on the three-way valve clamping seat 5.

[0070] A guide inclined surface 17 is arranged on the side of the first vertical block 15 facing the third vertical block 8 and / or the side of the second vertical block 18 facing the fourth vertical block 13, which is used as a guide when fixing the three-way valve 1 on the three-way valve clamping seat 5.

[0071] A guide inclined surface 9 is arranged on the end of the clamping and locking plate 16 facing the first vertical block 15 and / or the end of the clamping and locking plate 16 facing the second vertical block 18, which is used as a guide when fixing the three-way valve 1 on the three-way valve clamping seat 5.

[0072] A protrusion 11 is arranged at the outer end of the clamping and locking plate 16, and a protrusion hole 12 is arranged on the protrusion, and a grooved pin 6 is arranged on the vertical block.

[0073] One end of the tension spring 4 is fixed in the groove of the pin 6, and the other end of the tension spring 4 is fixed in the protrusion hole 12 on the protrusion 11 at the outer end of the clamping and locking plate 16.

[0074] The clamping and locking mechanism further comprises a limiting mechanism, which comprises:

[0075] A limiting column 3 protruding upward from the three-way valve clamping seat 5;

[0076] A limiting hole arranged on the clamping and locking plate 16, the limiting column 5 protruding into the limiting hole 10, and the limiting hole can be a strip-shaped hole.

[0077] A recess or notch 14 can be arranged on the upper surface of the three-way valve clamping seat 5 at a position corresponding to the openings of the three-way valve first port 101, the three-way valve second port 102 and the three-way valve third port 103, which is used for accommodating the openings of the ports.

[0078] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that changes can be made in these embodiments without departing from the principles and spirit of the present application. The scope of application of the present application is defined by the appended claims and their equivalents.

Claims

1. A three-way valve fixing device for fixing a three-way valve, the three-way valve including a three-way valve first port, a three-way valve second port, and a three-way valve third port, characterized by, The three-way valve fixing device comprises: a three-way valve seat, the three-way valve being capable of being placed on the upper surface of the three-way valve seat; a plurality of vertical blocks protruding upward from the upper surface of the three-way valve seat, a plurality of strip-shaped notches being formed between the plurality of vertical blocks, the three-way valve first port, the three-way valve second port and the three-way valve third port being capable of being respectively accommodated in the plurality of strip-shaped notches; and a clamping and releasing mechanism arranged in the vertical blocks for enabling the three-way valve to be fixedly connected with the three-way valve seat and enabling the three-way valve to be released from the fixed connection with the three-way valve seat, the clamping and releasing mechanism comprising: a guide groove; a clamping and releasing plate in the shape of a U, the clamping and releasing plate being capable of sliding in the guide groove; and a tension spring, one end of the tension spring being fixed to the vertical block and the other end of the tension spring being fixed to the clamping and releasing plate, the clamping and releasing plate comprising: a pulling portion arranged at the outer end of the clamping and releasing plate for pulling the clamping and releasing plate to slide in the guide groove against the elastic force of the tension spring; and a clamping and releasing portion arranged at the inner end of the clamping and releasing plate, the clamping and releasing portion being capable of sliding in the guide groove, the plurality of vertical blocks comprising four vertical blocks, the four vertical blocks comprising a first vertical block, a second vertical block, a third vertical block and a fourth vertical block, a guide inclined surface being arranged on the side of the first vertical block facing the third vertical block and / or the side of the second vertical block facing the fourth vertical block for use as a guide when fixing the three-way valve to the three-way valve seat; a guide inclined surface being arranged on the end of the clamping and releasing plate facing the first vertical block and / or the end of the clamping and releasing plate facing the second vertical block for use as a guide when fixing the three-way valve to the three-way valve seat, the clamping and releasing mechanism further comprising a limiting mechanism, the limiting mechanism comprising: a limiting column protruding upward from the three-way valve seat; and a limiting hole arranged on the clamping and releasing plate, the limiting column protruding into the limiting hole.

2. The tee valve fixture of claim 1, wherein: three strip-shaped notches being formed between the four vertical blocks, the three-way valve first port, the three-way valve second port and the three-way valve third port being capable of being respectively accommodated in the three strip-shaped notches.

3. The tee valve fixture of claim 2, wherein: the first vertical block and the second vertical block being arranged symmetrically, and the third vertical block and the fourth vertical block being arranged symmetrically.

4. The tee valve fixture of claim 3, wherein: the guide groove being arranged in the third vertical block and the fourth vertical block.

5. The tee valve fixture of claim 4, wherein: in the absence of pulling of the pulling portion, the clamping and releasing portion being capable of extending and covering at least part of the strip-shaped notch formed between the first vertical block and the third vertical block and / or at least part of the strip-shaped notch formed between the second vertical block and the fourth vertical block, thereby fixing the three-way valve to the three-way valve seat.

6. The tee valve fixture of claim 4, wherein: a protruding block being arranged at the lower part of the outer end of the clamping and releasing plate, a protruding block hole being arranged on the protruding block, and a grooved pin being arranged on the vertical block.

7. The tee valve fixture of claim 6, wherein: one end of the tension spring being fixed in the groove of the pin, and the other end of the tension spring being fixed in the protruding block hole on the protruding block at the outer end of the clamping and releasing plate.

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