Self-locking valve

Abstract

The utility model provides a self-locking valve, which belongs to the field of valves, and comprises a valve body provided with a valve rod; the self-locking assembly comprises a mounting block, a rectangular rod, a movable block, a spring and two fixed blocks, the mounting block is fixedly arranged on the valve body, a through hole is formed in the mounting block in a penetrating mode, the valve rod penetrates through the through hole and is movably arranged, the rectangular rod is fixedly arranged on the valve rod, the rectangular rod penetrates through the movable block, and the spring is fixedly arranged on the valve rod. One end of the spring is fixedly arranged on the mounting block, and the two fixing blocks are fixedly arranged on the mounting block. The self-locking component is arranged, so that the valve body is prevented from being automatically opened or closed under the condition that the valve body is not operated, and the stability and the safety of a production process are improved; and a rotating handle is further arranged, so that the phenomenon that the valve body is opened or closed by mistake due to accidental touch is effectively prevented, and the overall safety is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to self locking valve. BACKGROUND

[0002] Vacuum defoaming mixer: the vacuum defoaming mixer of high speed rotation is a kind of precision mixing equipment for efficiently removing bubble in material, its core feature is combined with the dual action mechanism of high speed shearing stirring and vacuum defoaming.When the vacuum barrel of high speed rotation completes material mixing and defoaming process, can be directly connected to filling machine feed inlet through bottom integrated valve, realizes closed transmission.This structure completely changes the operation mode of traditional operation needing to be vacuumized in filling machine station separately, eliminates the risk of secondary bubble introduction in material transfer process, improves production efficiency.

[0003] The existing valve generally lacks self-locking mechanism, making them vulnerable to interference from factors such as uneven pressure, thermal expansion and contraction, pipeline vibration, etc., causing the valve to open or close on its own without operation. Such unexpected valve action not only can lead to a decline in production efficiency, but also can cause safety hazards, reducing the stability and safety of the production process. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides a self-locking valve.

[0005] The embodiment of the utility model provides a self-locking valve, comprising:

[0006] A valve body is provided with a valve stem;

[0007] A self-locking assembly includes a mounting block, a rectangular rod, a movable block, a spring and two fixed blocks. The mounting block is fixedly arranged on the valve body, a through hole is provided through the mounting block, the valve stem is movably arranged through the through hole, the rectangular rod is fixedly arranged on the valve stem, the rectangular rod is arranged through the movable block, one end of the spring is fixedly arranged on the mounting block, and the two fixed blocks are fixedly arranged on the mounting block.

[0008] Further, an arc-shaped groove is provided through the fixed block, both ends of the fixed block are provided with a sliding groove, an L-shaped hole is provided through the fixed block, and a through groove is provided through the L-shaped hole and one of the sliding grooves.

[0009] Further, a rectangular hole is provided through the movable block, and the rectangular rod is slidably arranged through the rectangular hole.

[0010] Further, both ends of the movable block are provided with a sliding block, and the sliding block is slidably arranged in the sliding groove.

[0011] Further, the outer end of the rectangular rod is connected with a rotating handle, one end of the rotating handle is provided with a rectangular clamping groove, and the rectangular rod is clamped into the rectangular clamping groove.

[0012] Further, the two fixing blocks are fixedly arranged in a circumferentially symmetrical manner.

[0013] Compared with the prior art, the self-locking valve has the following beneficial effects:

[0014] 1. The self-locking assembly is arranged, the movable block is pushed inward to the innermost side, the valve rod can be rotated, the valve body is opened, the slide block is rotated into the L-shaped hole at the same time, and the valve body can be locked in the opened state; the movable block is pushed inward to the innermost side, the valve rod can be reversely rotated, the valve body is closed, the slide block is rotated into the sliding groove at the same time, and the valve body can be locked in the closed state; the operation is simple and convenient, the valve body is prevented from being opened or closed automatically without operation, and the stability and safety of a production process are improved.

[0015] 2. The rotating handle is arranged, the rotating handle is sleeved on the rectangular rod, the rectangular rod can be rotated, and the air valve body is opened and closed; when not in use, the rotating handle can be pulled out and separated from the rectangular rod, the valve body is prevented from being opened or closed by mistake due to accidental touch, and the safety of the whole is further improved.

[0016] In summary, the self-locking assembly is arranged, the valve body is prevented from being opened or closed automatically without operation, the stability and safety of a production process are improved, the rotating handle is further arranged, the valve body is prevented from being opened or closed by mistake due to accidental touch, and the safety of the whole is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the self-locking valve.

[0018] Figure 2 It is an expanded view of the self-locking valve.

[0019] Figure 3 It is a perspective view of the movable block in the self-locking valve.

[0020] Figure 4 It is a perspective view of the fixing block in the self-locking valve.

[0021] Figure 5 It is a sectional view of the self-locking valve.

[0022] In the above figure: 1 valve body, 2 valve stem, 3 mounting block, 4 rectangular rod, 5 movable block, 51 rectangular hole, 52 sliding block, 6 spring, 7 fixed block, 8 arc-shaped groove, 9 sliding groove, 10 L-shaped hole, 11 through groove, 12 handle, 13 rectangular clamping groove. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model is further explained below with reference to the drawings and examples.

[0024] As Figures 1-5 shown, the utility model discloses a self-locking valve, comprising:

[0025] Valve body 1 is provided with valve stem 2 on valve body 1, and valve stem 2 is used for opening and closing valve body 1, which is not described too much here, the outer end of rectangular rod 4 is connected with handle 12, handle 12 is used to rotate valve stem 2, one end of handle 12 is provided with rectangular clamping groove 13, rectangular rod 4 is clamped into rectangular clamping groove 13, so that handle 12 can rotate rectangular rod 4 through rectangular clamping groove 13, and then drive valve stem 2 to rotate, and when not using, handle 12 can be pulled out, so that it is separated from rectangular rod 4, and then the opening or closing of valve body 1 caused by accidental touch is avoided, and the safety is improved.

[0026] Self-locking assembly, self-locking assembly includes mounting block 3, rectangular rod 4, movable block 5, spring 6 and two fixed blocks 7, mounting block 3 is fixedly arranged on valve body 1, through hole is formed in mounting block 3, and valve stem 2 is movably arranged through the through hole, so that the rotation of valve stem 2 is not affected by mounting block 3.

[0027] Rectangular rod 4 is fixedly arranged on valve stem 2, so that rectangular rod 4 can drive valve stem 2 to rotate, rectangular hole 51 is formed in movable block 5, and rectangular rod 4 is slidably arranged through rectangular hole 51, so that movable block 5 can slide on rectangular rod 4 through rectangular hole 51.

[0028] One end of spring 6 is fixedly arranged on mounting block 3, and rectangular rod 4 is movably arranged through spring 6, two fixed blocks 7 are fixedly arranged on mounting block 3, two fixed blocks 7 are fixedly arranged with each other, and two fixed blocks 7 are arranged in circumferential symmetry.

[0029] Arc-shaped groove 8 is formed in fixed block 7, sliding groove 9 is formed at the two ends of fixed block 7, sliding block 52 is arranged at the two ends of movable block 5, and sliding block 52 is slidably arranged in sliding groove 9, so that sliding block 52 can slide in the sliding groove 9 at the same side, L-shaped hole 10 is formed in fixed block 7, and through groove 11 is formed in one of the sliding grooves 9, so that sliding block 52 can be rotated into L-shaped hole 10 through through groove 11.

[0030] The detailed working process of the utility model is as follows:

[0031] 1. In use, first, the knob 12 is inserted into the arc-shaped slot 8, and the rectangular rod 4 is clamped into the rectangular clamping slot 13, then the knob 12 is pushed inward, the movable block 5 is pushed inward, and the spring 6 is compressed, at the same time, the two sliders 52 are slid to the inner side of the sliding slot 9, when the sliders 52 move to the through slot 11, the locking of the rectangular rod 4 is released, then the rectangular rod 4 and the valve rod 2 are rotated by 90 degrees through the knob 12, and the valve body 1 is opened;

[0032] 2. At the same time, the rectangular rod 4 drives the movable block 5 to rotate by 90 degrees, and the two sliders 52 are respectively rotated to the L-shaped holes 10 on the two sides, finally, the knob 12 is pulled out, the movable block 5 is pushed outward under the elastic action of the spring 6, and then the two sliders 52 are clamped in the L-shaped holes 10 on the same side, the locking of the rectangular rod 4 and the valve rod 2 is realized, and the valve body 1 is locked in the open state;

[0033] 3. The knob 12 is sleeved on the rectangular rod 4, the movable block 5 is pushed to the innermost side, the locking of the rectangular rod 4 is released, the spring 6 is compressed, then the knob 12 is rotated by 90 degrees in the opposite direction, and the valve body 1 is closed through the rectangular rod 4 and the valve rod 2;

[0034] 4. At the same time, the rectangular rod 4 drives the movable block 5 to rotate in the opposite direction, the two sliders 52 are rotated to the corresponding sliding slots 9, finally, the knob 12 is pulled out, the movable block 5 and the two sliders 52 are moved outward and reset under the elastic action of the spring 6, the locking of the rectangular rod 4 and the valve rod 2 is realized, and the valve body 1 is locked in the closed state.

[0035] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all of them should be covered in the scope of the claims of the utility model.

Claims

1. A self-locking valve, characterized in that, include: Valve body (1), on which valve stem (2) is provided; The self-locking assembly includes a mounting block (3), a rectangular rod (4), a movable block (5), a spring (6), and two fixed blocks (7). The mounting block (3) is fixedly mounted on the valve body (1). A through hole is provided through the mounting block (3). The valve stem (2) is movably mounted through the through hole. The rectangular rod (4) is fixedly mounted on the valve stem (2). The rectangular rod (4) is provided through the movable block (5). One end of the spring (6) is fixedly mounted on the mounting block (3). Both fixed blocks (7) are fixedly mounted on the mounting block (3).

2. The self-locking valve according to claim 1, characterized in that, in: An arc-shaped groove (8) is provided through the fixed block (7). Slide grooves (9) are provided at both ends of the fixed block (7). An L-shaped hole (10) is provided through the fixed block (7). The L-shaped hole (10) passes through one of the slide grooves (9) and is provided with a through groove (11).

3. The self-locking valve according to claim 1, characterized in that, in: A rectangular hole (51) is provided through the movable block (5), and the rectangular rod (4) is slidably disposed through the rectangular hole (51).

4. The self-locking valve according to claim 2, characterized in that, in: Both ends of the movable block (5) are provided with sliders (52), and the sliders (52) are slidably disposed in the groove (9).

5. The self-locking valve according to claim 1, characterized in that, in: The outer end of the rectangular rod (4) is connected to a throttle (12), and a rectangular slot (13) is provided at one end of the throttle (12). The rectangular rod (4) is inserted into the rectangular slot (13).

6. The self-locking valve according to claim 1, characterized in that, in: The two fixing blocks (7) are fixed to each other and are arranged symmetrically around the circumference.

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