Mechanical valve with good sealing effect

Abstract

The utility model relates to the technical field of mechanical valves, and discloses a mechanical valve with a good sealing effect, which comprises a valve body, the bottom of the valve body is communicated with a first pipe body, and the outer side of the first pipe body is fixedly connected with two first connecting rings which are distributed in bilateral symmetry; the opposite sides of the two first connecting rings are movably connected with rubber rings, the opposite sides of the two rubber rings are fixedly connected with a plurality of limiting blocks distributed in an annular array, and the outer sides of the limiting blocks are connected with the interiors of the two first connecting rings in an inserted mode correspondingly. The opposite sides of the two first connecting rings are movably connected with second connecting rings, and the opposite sides of the two second connecting rings are fixedly connected with second pipe bodies. The mechanical valve with the good sealing effect has the beneficial effects of being good in sealing performance and the like, and the problem that when a common mechanical valve is connected with a guide pipe, leakage possibly occurs due to the fact that a rubber ring is not installed in place is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical valves, in particular to a mechanical valve with good sealing effect. Background Art

[0002] A mechanical valve is a device used to control the flow of fluid. It is usually composed of a valve body, a valve cover, a valve seat, a valve core, a valve stem and other components. A mechanical valve can open, close or adjust the flow of fluid through manual operation or mechanical devices.

[0003] The sealing method of ordinary mechanical valves is usually to squeeze two rubber rings for sealing. When the ordinary mechanical valve is connected to the catheter, leakage may occur due to improper installation of the rubber ring. Therefore, a mechanical valve with good sealing effect is proposed to solve the above-mentioned problem. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a mechanical valve with good sealing effect, which has the advantages of good sealing, etc., and solves the problem that when an ordinary mechanical valve is connected to a catheter, leakage may occur due to improper installation of the rubber ring.

[0006] (II) Technical solution

[0007] The utility model solves the above technical problems with the following technical solutions: A mechanical valve with good sealing effect, comprising a valve body, the bottom of the valve body is connected with a first tube body, the outer side of the first tube body is fixedly connected with two first connecting rings in a left-right symmetrical distribution, the opposite sides of the two first connecting rings are movably connected with rubber rings, the opposite sides of the two rubber rings are fixedly connected with a number of limit blocks in a circular array, the outer sides of the several limit blocks are respectively plugged with the inner sides of the two first connecting rings, the opposite sides of the two first connecting rings are movably connected with second connecting rings, the opposite sides of the two second connecting rings are fixedly connected with a second tube body, the inner threads of the two first connecting rings are connected with a number of first threaded rods in a circular array, the outer sides of the several first threaded rods are respectively connected with the inner threads of the two second connecting rings, the outer sides of the two first connecting rings and the two second connecting rings are fixedly connected with limit rings, the outer sides of the four limit rings are plugged with a number of limit cards in a rectangular array, and the inner threads of the four limit cards are connected with a number of second threaded rods in a rectangular array.

[0008] The beneficial effects of the utility model are as follows: the limit block positions the rubber ring through the first connecting ring to prevent the sealing between the first connecting ring and the second connecting ring from being affected due to the dislocation of the rubber ring when the first connecting ring and the second connecting ring are connected; the first threaded rod fixes the second connecting ring through the first connecting ring; the first connecting ring and the second connecting ring are convenient for connecting the first tube body and the second tube body; the limit card limits the first connecting ring and the second connecting ring through the limit ring; and the second threaded rod fixes the limit card.

[0009] The mechanical valve with good sealing effect has the advantage of good sealing performance.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the inner sides of the four limit cards are fixedly connected with rubber plugs, and the four rubber plugs are located between the four limit rings.

[0012] The beneficial effect of adopting the above further solution is that the limit card provides a fixing effect on the rubber plug.

[0013] Furthermore, the outer sides of the four limit cards are fixedly connected with a number of positioning blocks distributed in a ring array, and the outer sides of the positioning blocks are respectively plugged into the insides of the two first connecting rings and the two second connecting rings.

[0014] The beneficial effect of adopting the above further solution is that the positioning block can limit the limiting card through the first connecting ring and the second connecting ring.

[0015] Furthermore, outer sides of the two rubber rings are fixedly connected with rubber pads, and the two rubber pads are adapted to the two first connecting rings and the two second connecting rings.

[0016] The beneficial effect of adopting the above further solution is that the rubber pad can further increase the sealing between the first connecting ring and the second connecting ring.

[0017] Furthermore, the interiors of the four limit clamps are connected with a plurality of third threaded rods through threads, and the outer sides of the plurality of third threaded rods are connected with the inner threads of the four limit rings.

[0018] The beneficial effect of adopting the above further solution is that the third threaded rod can provide a further limiting effect for the limiting card through the limiting ring.

[0019] Furthermore, a handle is arranged on the top of the valve body, and the handle is arranged in a ring shape.

[0020] The beneficial effect of adopting the above further solution is that the handle is convenient for controlling the opening and closing of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a front view of the connection structure between the valve body and the first pipe body of the utility model;

[0023] Figure 3 This is a side view of the connection structure between the handle and the valve body of the utility model;

[0024] Figure 4 This is an enlarged view of the structure at point A of the utility model.

[0025] In the figure: 1. valve body; 2. first tube body; 3. first connecting ring; 4. rubber ring; 5. limit block; 6. second connecting ring; 7. second tube body; 8. first threaded rod; 9. limit ring; 10. limit card; 11. second threaded rod; 12. rubber plug; 13. positioning block; 14. rubber pad; 15. third threaded rod; 16. handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4 A mechanical valve with good sealing effect is given. The utility model comprises a valve body 1. The bottom of the valve body 1 is connected with a first tube body 2. Two first connecting rings 3 that are symmetrically distributed are fixedly connected to the outside of the first tube body 2. Rubber rings 4 are movably connected to the opposite sides of the two first connecting rings 3. A plurality of limit blocks 5 that are distributed in a ring array are fixedly connected to the opposite sides of the two rubber rings 4. The outer sides of the plurality of limit blocks 5 are respectively plugged into the insides of the two first connecting rings 3. The opposite sides of the two first connecting rings 3 are movably connected to the second connecting ring 6. The second tube body 7 is fixedly connected to the opposite side of the two second connecting rings 6, the internal threads of the two first connecting rings 3 are connected to a number of first threaded rods 8 distributed in a ring array, the outer sides of the first threaded rods 8 are respectively connected to the internal threads of the two second connecting rings 6, the outer sides of the two first connecting rings 3 and the two second connecting rings 6 are fixedly connected to the limit ring 9, the outer sides of the four limit rings 9 are plugged with four limit cards 10 distributed in a rectangular array, and the internal threads of the four limit cards 10 are connected to four second threaded rods 11 distributed in a rectangular array;

[0028] The inner sides of the four limit cards 10 are all fixedly connected with rubber plugs 12, and the four rubber plugs 12 are located between the four limit rings 9;

[0029] The limit card 10 provides a fixing effect for the rubber plug 12, and the rubber plug 12 can increase the sealing between the limit rings 9;

[0030] The outer sides of the four limit cards 10 are fixedly connected with a number of positioning blocks 13 distributed in a ring array, and the outer sides of the positioning blocks 13 are respectively plugged into the inner sides of the two first connecting rings 3 and the two second connecting rings 6;

[0031] The positioning block 13 can limit the limiting card 10 through the first connecting ring 3 and the second connecting ring 6;

[0032] The outer sides of the two rubber rings 4 are fixedly connected with rubber pads 14, and the two rubber pads 14 are adapted to the two first connecting rings 3 and the two second connecting rings 6;

[0033] The rubber pad 14 can further increase the sealing between the first connecting ring 3 and the second connecting ring 6;

[0034] The insides of the four limit cards 10 are all connected with a number of third threaded rods 15 through threads, and the outer sides of the third threaded rods 15 are all connected with the inner threads of the four limit rings 9;

[0035] The third threaded rod 15 can provide a further limiting effect to the limiting card 10 through the limiting ring 9;

[0036] A handle 16 is provided on the top of the valve body 1, and the handle 16 is arranged in a ring shape;

[0037] The handle 16 is convenient for controlling the opening and closing of the valve body 1 , and the handle 16 is arranged in a ring shape for easy rotation of the handle 16 .

[0038] Working principle:

[0039] Step 1: Align the second connecting ring 6 with the first connecting ring 3 and fit them together. After fitting together, rotate a plurality of first threaded rods 8 from the inside of the first connecting ring 3 into the inside of the second connecting ring 6 to complete the fixation of the first connecting ring 3 and the second connecting ring 6. When the first connecting ring 3 and the second connecting ring 6 are installed, the rubber ring 4 is squeezed to deform and fill the space between the first connecting ring 3 and the second connecting ring 6 to achieve the purpose of increasing the sealing performance.

[0040] Step 2: When the limit card 10 is inserted into the outside of the limit ring 9, the limit card 10 drives the rubber plug 12 to be inserted between the limit rings 9 to increase the sealing between the limit rings 9, and the third threaded rod 15 is rotated from the limit card 10 into the inside of the limit ring 9 to fix the limit card 10, and the second threaded rod 11 is rotated from the outside of the upper limit card 10 to the inside of the lower limit card 10 to complete the fixation of the limit card 10.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical valve with good sealing effect, comprising a valve body (1), characterized in that: The bottom of the valve body (1) is connected to a first tube body (2); two first connecting rings (3) are fixedly connected to the outer side of the first tube body (2) and are symmetrically distributed on the left and right; the two first connecting rings (3) are movably connected to the opposite sides thereof; the two rubber rings (4) are fixedly connected to the opposite sides thereof with a plurality of limit blocks (5) distributed in a ring array; the outer sides of the plurality of limit blocks (5) are respectively plugged into the inner sides of the two first connecting rings (3); the two first connecting rings (3) are movably connected to the opposite sides thereof with a second connecting ring (6); the two second connecting rings (6) are movably connected to the opposite sides thereof. A second tube body (7) is fixedly connected to one side, the internal threads of the two first connection rings (3) are connected to a plurality of first threaded rods (8) distributed in a ring array, the outer sides of the plurality of first threaded rods (8) are respectively connected to the internal threads of the two second connection rings (6), the outer sides of the two first connection rings (3) and the two second connection rings (6) are fixedly connected to a limiting ring (9), the outer sides of the four limiting rings (9) are plugged with four limiting clips (10) distributed in a rectangular array, and the internal threads of the four limiting clips (10) are connected to four second threaded rods (11) distributed in a rectangular array.

2. A mechanical valve with good sealing effect according to claim 1, characterized in that: The inner sides of the four limit cards (10) are all fixedly connected with rubber plugs (12), and the four rubber plugs (12) are located between the four limit rings (9).

3. A mechanical valve with good sealing effect according to claim 1, characterized in that: The outer sides of the four limit cards (10) are fixedly connected with a plurality of positioning blocks (13) distributed in a ring array, and the outer sides of the plurality of positioning blocks (13) are respectively plugged into the interiors of the two first connecting rings (3) and the two second connecting rings (6).

4. A mechanical valve with good sealing effect according to claim 1, characterized in that: The outer sides of the two rubber rings (4) are fixedly connected with rubber pads (14), and the two rubber pads (14) are compatible with the two first connecting rings (3) and the two second connecting rings (6).

5. A mechanical valve with good sealing effect according to claim 1, characterized in that: The interiors of the four limit clamps (10) are all connected to a plurality of third threaded rods (15) through threads, and the outer sides of the plurality of third threaded rods (15) are all connected to the inner threads of the four limit rings (9).

6. A mechanical valve with good sealing effect according to claim 1, characterized in that: A handle (16) is arranged on the top of the valve body (1), and the handle (16) is arranged in an annular shape.

Images