Manual sliding plate valve driven by hand wheel nut and rolling bearing

Abstract

The utility model discloses a manual sliding plate valve driven by a hand wheel nut and a rolling bearing. The manual sliding plate valve comprises a valve body part and a manual actuating mechanism, the valve body part comprises a valve body, a valve element and a valve rod, the valve element is arranged in the valve body, and the valve rod is fixed to the valve element and penetrates into the valve body from the outside of the valve body. The manual actuating mechanism comprises a hand wheel, an adjusting screw, a support, a support top seat and a bearing seat, the side, away from the valve element, of the valve rod is fixedly connected with the bearing seat, a deep groove ball bearing is installed in the bearing seat, an outer ring of the deep groove ball bearing is fixedly connected with the bearing seat, and an inner ring of the deep groove ball bearing is fixedly connected with the adjusting screw. The support is fixed on the valve cover, a support top seat is fixed on the support, an internal thread structure matched with the external thread structure on the adjusting screw rod is arranged on the support top seat, the adjusting screw rod is in threaded connection with the support top seat, and a hand wheel is fixed at the end, away from the deep groove ball bearing, of the adjusting screw rod. The manual sliding plate valve is reasonable and ingenious in structural design, the valve element does not need to rotate when the valve rod moves up and down, and the application prospect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sliding plate valve relates to a kind of hand-operated sliding plate valve driven by hand wheel nut and rolling bearing. BACKGROUND

[0002] Manual valve refers to the valve door action by manpower by hand wheel, handle, lever etc. The most common is hand-operated stop valve. Conventional hand-operated stop valve usually adopts the structure as shown in Figure 1 Valve stem 3 is provided with external thread structure, valve stem nut 2 has internal thread matched with it, valve stem nut 2 is fixed, by rotating hand wheel 1, valve stem 3 can be driven to rotate, valve stem 3 is connected with valve core 4, when valve stem 3 rotates, valve core 4 is driven to act up and down, to realize the opening and closing of valve. The above structure has the following defects: when manually rotating to drive valve stem to rotate and act up and down, valve core also rotates and acts up and down, when valve body structure changes, valve core cannot rotate, then it cannot normally act.

[0003] Therefore, it is of great practical significance to develop a hand valve with valve body structure without meeting the need of valve core rotation. CONTENT OF UTILITY MODEL

[0004] Since the prior art has the above defects, the utility model provides a hand valve with valve body structure without meeting the need of valve core rotation, specifically a hand-operated sliding plate valve driven by hand wheel nut and rolling bearing, which is light in structure and small in acting force, when valve stem acts up and down, valve core does not need to rotate, the opening and closing action of valve can be easily operated, solving the defect that the valve body structure of existing hand-operated stop valve needs to meet the need of valve core rotation.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A hand-operated sliding plate valve driven by hand wheel nut and rolling bearing, comprising valve body part and hand-operated actuating mechanism.

[0007] The valve body part comprises valve body, valve core and valve stem, the valve core is arranged in the valve body, the valve stem is fixedly connected with the valve core and penetrates into the valve body from outside the valve body.

[0008] The hand-operated actuating mechanism comprises hand wheel, adjusting screw, bracket, bracket top seat and bearing seat, the valve stem is fixedly connected with the bearing seat at the side away from the valve core, the deep groove ball bearing is arranged in the bearing seat and the outer ring of the deep groove ball bearing is fixedly connected with the bearing seat, the inner ring of the deep groove ball bearing is fixedly connected with the adjusting screw, the bracket is fixed on the valve cover and the bracket top seat is fixed on the bracket, the internal thread structure matched with the external thread structure of the adjusting screw is formed on the bracket top seat and the adjusting screw is threadedly connected with the bracket top seat, and the hand wheel is fixed on the end of the adjusting screw away from the deep groove ball bearing.

[0009] The action flow of the manual sliding plate valve driven by the hand wheel nut and the rolling bearing is as follows:

[0010] The hand wheel is rotated, the hand wheel drives the adjusting screw to rotate, the adjusting screw realizes up-down action, at this time the deep groove ball bearing realizes up-down action, the adjusting screw drives the inner ring of the deep groove ball bearing to rotate at the same time, the bearing seat is synchronous with the deep groove ball bearing, that is, the bearing seat realizes up-down action and does not rotate due to the existence of the deep groove ball bearing, the valve rod realizes up-down action and does not rotate, and then the valve core realizes up-down action and does not rotate, that is, the action of the manual sliding plate valve is completed, since the valve core does not rotate during operation, this gives the valve body structure of the manual valve no need to meet the performance requirement of the rotation of the valve core, that is, the defect that the valve body structure of the existing manual stop valve needs to meet the performance requirement of the rotation of the valve core is overcome. The deep groove ball bearing can greatly reduce the friction force while bearing the thrust or tensile force, and is most suitable for occasions where the valve rod is required to reciprocate only and cannot rotate.

[0011] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing has reasonable and ingenious structure design, small acting force, and the valve core does not need to rotate when the valve rod realizes up-down action, so that the opening and closing action of the valve can be easily operated, the defect that the valve body structure of the existing manual stop valve needs to meet the performance requirement of the rotation of the valve core is solved, and the application prospect is good.

[0012] As a preferred technical scheme:

[0013] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing, the deep groove ball bearing is fastened on the adjusting screw through the bearing fixing nut.

[0014] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing, the bearing fixing nut is located in the bearing seat.

[0015] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing, the limiting nut is fixed on the adjusting screw.

[0016] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing, the limiting nut is threadedly connected with the adjusting screw, so that the limiting range is conveniently adjusted.

[0017] The manual sliding plate valve driven by the hand wheel nut and the rolling bearing, the limiting nut comprises two upper limiting nuts and lower limiting nuts.

[0018] The support top seat is located between the upper limiting nut and the lower limiting nut. The upper limiting nut and the lower limiting nut have the function of limiting, the valve acts within the range, and the situation that the valve is opened or closed too much does not occur.

[0019] The valve stem is threadedly connected with the bearing seat.

[0020] The above technical solution is only one feasible technical solution of the utility model, and the protection scope of the utility model is not limited to this, and a person skilled in the art can reasonably adjust specific design according to actual needs.

[0021] The above utility model has the following advantages or beneficial effects:

[0022] (1) The utility model discloses a manual sliding plate valve driven by a hand wheel nut and a rolling bearing, which is reasonable and ingenious in structural design, has small acting force, and can easily operate the opening and closing action of the valve when the valve stem moves up and down without rotating the valve core, thereby solving the defects that the valve body structure of the existing manual stop valve needs to meet the rotation requirement of the valve core.

[0023] (2) The utility model discloses a manual sliding plate valve driven by a hand wheel nut and a rolling bearing, the design of the upper limit nut and the lower limit nut can limit the action range of the valve, avoid the situation that the valve is opened or closed too much, and the positions of the upper limit nut and the lower limit nut can be adjusted according to actual needs, so that the utility model has good applicability and good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model and its features, shapes and advantages will become more obvious through reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same marks in all the drawings indicate the same parts. The drawings can not be drawn according to scale, and the emphasis is on showing the main idea of the utility model.

[0025] Figure 1 It is a structural schematic view of the prior art manual stop valve;

[0026] Figure 2 It is a structural schematic view of the utility model discloses a manual sliding plate valve driven by a hand wheel nut and a rolling bearing;

[0027] Among them, 1 is hand wheel, 2 is valve stem nut, 3 is valve stem, 4 is valve core, 5 is valve body, 6 is adjusting screw, 7 is support, 8 is support top seat, 9 is bearing seat, 10 is deep groove ball bearing, 11 is bearing fixing nut, 12 is upper limit nut, 13 is lower limit nut. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and specific embodiments, but not as the limitation of the utility model.

[0029] Embodiment 1

[0030] A hand wheel nut and rolling bearing driven manual sliding plate valve, comprising a valve body part and a manual actuating mechanism;

[0031] The valve body part comprises a valve body 5, a valve core 4 arranged in the valve body 5, and a valve stem 3 fixedly connected with the valve core 4 and penetrating into the valve body 5 from outside the valve body 5;

[0032] The manual actuating mechanism comprises a hand wheel 1, an adjusting screw rod 6, a bracket 7, a bracket top seat 8, and a bearing seat 9, the valve stem 3 is fixedly connected with the bearing seat 9 at the side away from the valve core 4, a deep groove ball bearing 10 is arranged in the bearing seat 9 and fastened on the adjusting screw rod 6 by a bearing fixing nut 11 located in the bearing seat 9, the outer ring of the deep groove ball bearing 10 is fixedly connected with the bearing seat 9, the inner ring of the deep groove ball bearing 10 is fixedly connected with the adjusting screw rod 6, the bracket 7 is fixed on the valve cover and the bracket top seat 8 is fixed on the bracket 7, the bracket top seat 8 is provided with an inner thread structure matching an outer thread structure on the adjusting screw rod 6, and the adjusting screw rod 6 is threadedly connected with the bracket top seat 8, the hand wheel 1 is fixed on the adjusting screw rod 6 away from the deep groove ball bearing 10, and the adjusting screw rod 6 is threadedly connected with an upper limit stop nut 12 and a lower limit stop nut 13, and the bracket top seat 8 is located between the upper limit stop nut 12 and the lower limit stop nut 13.

[0033] The operation process of the hand wheel nut and rolling bearing driven manual sliding plate valve is as follows:

[0034] The hand wheel is rotated to drive the adjusting screw rod to rotate, and the adjusting screw rod realizes up-down movement, at this time, the deep groove ball bearing moves up and down, and the inner ring of the deep groove ball bearing rotates while the adjusting screw rod moves up and down, the bearing seat moves up and down synchronously with the deep groove ball bearing, and the bearing seat does not rotate due to the existence of the deep groove ball bearing, the valve stem moves up and down and does not rotate, and then the valve core moves up and down and does not rotate, that is, the operation of the manual sliding plate valve is completed, and since the valve core does not rotate during operation, the valve body structure of the manual valve does not need to meet the performance requirement of valve core rotation, that is, the defect that the valve body structure of the existing manual stop valve needs to meet the performance requirement of valve core rotation is overcome. The deep groove ball bearing can greatly reduce the friction force while bearing the thrust or tensile force, and is most suitable for occasions where the valve stem is required to reciprocate only and cannot rotate.

[0035] The above-mentioned manual sliding plate valve has been tested in multiple application scenarios in the petrochemical, chemical and other industries, and it is found that the operation is light and the service life is long.

[0036] The utility model discloses a hand wheel nut and rolling bearing drive's manual sliding plate valve of using, structure design is reasonable and ingenious, and the force is little, and the valve stem up and down action, the valve core need not rotate, can easily operate the switch action of valve, the defect that the valve body structure of existing manual stop valve meets the need of valve core rotation has been solved, the design of upper limit nut and lower limit nut can limit the action range of valve, avoid the situation that open too much or close too much and the position of upper limit nut and lower limit nut can be adjusted according to actual needs, good applicability, good application prospect.

[0037] Those skilled in the art should understand that the skilled in the art can realize the change example in combination with the prior art and the above-mentioned embodiments, which is not described here. Such change examples do not affect the essential content of the utility model, which is not described here.

[0038] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific embodiments, and the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications to the technical scheme of the utility model or modify it into equivalent embodiments with equivalent changes without departing from the scope of the technical scheme of the utility model by using the disclosed methods and technical contents, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the utility model, which does not depart from the content of the technical scheme of the utility model, still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A hand slide valve driven by a hand wheel nut and a rolling bearing, characterized by, The valve body part comprises a valve body, a valve core and a valve rod, the valve core is arranged in the valve body, the valve rod is fixedly connected with the valve core and the valve rod penetrates into the valve body from outside the valve body; The manual execution mechanism comprises a hand wheel, an adjusting screw, a support, a support top seat and a bearing seat, the valve rod is fixedly connected with the bearing seat away from the valve core, a deep groove ball bearing is arranged in the bearing seat, the outer ring of the deep groove ball bearing is fixedly connected with the bearing seat, the inner ring of the deep groove ball bearing is fixedly connected with the adjusting screw, the support is fixed on the valve cover and the support top seat is fixed on the support, an inner thread structure matched with the outer thread structure of the adjusting screw is formed on the support top seat, the adjusting screw is screwed with the support top seat, and the hand wheel is fixedly connected with the adjusting screw away from the deep groove ball bearing. The deep groove ball bearing is fastened on the adjusting screw through a bearing fixing nut.

2. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 1, wherein The bearing fixing nut is located in the bearing seat.

3. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 2, wherein A limiting nut is fixed on the adjusting screw.

4. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 1, wherein The limiting nut is screwed with the adjusting screw.

5. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 4, wherein There are two limiting nuts, i.e. an upper limiting nut and a lower limiting nut.

6. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 5, wherein The support top seat is located between the upper limiting nut and the lower limiting nut. The valve rod is screwed with the bearing seat.

7. A hand slide valve driven by a hand wheel nut and a rolling bearing according to claim 1, wherein ​

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