Stop valve facilitating quick replacement of valve element structure

Abstract

The utility model discloses a stop valve convenient for quickly replacing a valve core structure, which comprises a valve body structure, the valve body structure is internally provided with the valve core structure, the valve body structure comprises a valve body with external threads on the surface, and the valve body is in threaded connection with a valve cover through the external threads and internal threads. Meanwhile, a threaded cylinder in threaded connection with the hand wheel threaded rod is arranged in the valve cover, a driving rod facilitating operation and adjustment of an operator is fixedly welded to the surface of the valve cover, a bearing seat is installed at the bottom of the hand wheel threaded rod in a matched mode, a connecting cylinder with a matched groove is fixedly installed at the bottom of the bearing seat, and a magnet block is fixedly installed in the connecting cylinder; the valve element structure comprises a valve element body serving as a body, a matching cylinder is fixedly installed on the valve element body, meanwhile, a matching block rotationally connected with a matching groove is fixedly installed on the surface of the matching cylinder, and according to the stop valve facilitating quick replacement of the valve element structure, rotating matching and installation fixing are achieved through the arranged bearing seat.

Description

TECHNICAL FIELD

[0001] The utility model relates to cut -off valve technical field, concretely is a cut -off valve convenient to quick replacement valve core structure. BACKGROUND

[0002] Cut -off valve also called cut -off valve belongs to forced sealing type valve, is one of the most widely used valve, it is so popular, is because the friction between sealing surface in opening and closing process is small, is durable, opening height is not big, easy to manufacture, convenient maintenance, not only is suitable for low pressure, but also is suitable for high pressure. The closing principle of cut -off valve is, rely on the pressure of valve lever, make valve clapper sealing surface and valve seat sealing surface tightly adhere, prevent medium flow, the existing cut -off valve is usually integrated with its valve core part structure, inconveniently replace valve core alone, when valve core is damaged, usually needs to replace the whole cut -off valve, improves the use cost, can not satisfy people's use demand well. SUMMARY

[0003] The utility model discloses to the shortage of prior art, provide a kind of cut -off valve convenient to quick replacement valve core structure, to solve the above background technique by the existing cut -off valve usually integrated with its valve core part structure, inconveniently replace valve core alone, when valve core is damaged, usually needs to replace the whole cut -off valve, improves the use cost, can not satisfy people's use demand well.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of cut -off valve convenient to quick replacement valve core structure, including valve body structure, the valve body structure inside is equipped with valve core structure;

[0005] The valve body structure includes the valve body with external thread on surface, and the valve body is connected with the valve cover by external thread and internal thread and screw thread, and the valve cover is internally provided with a threaded barrel connected with the hand wheel threaded rod by screw thread;

[0006] The valve cover surface is welded with a driving rod for convenient operator operation adjustment.

[0007] By adopting the above technical scheme, the driving rod is set to realize welding fixation and rotation adjustment.

[0008] Preferably, the bottom of the hand wheel threaded rod is equipped with a bearing seat, and the bottom of the bearing seat is fixedly installed with a connecting cylinder with a matching groove, and the inside of the connecting cylinder is fixedly installed with a magnet block.

[0009] By adopting the above technical scheme, the bearing seat is set to realize rotation matching and installation fixation.

[0010] Preferably, the valve core structure comprises a valve core body as a body, and a matched sleeve is fixedly installed on the valve core body, and a matched block in rotational connection with a matched groove is fixedly installed on the surface of the matched sleeve.

[0011] By adopting the above technical scheme, the adsorption block is arranged to achieve adsorption fixation.

[0012] Preferably, the matched groove is arranged in an annular array.

[0013] By adopting the above technical scheme, the matched groove is arranged to achieve matched locking and limiting.

[0014] Preferably, the connecting sleeve and the matched sleeve are concentrically and matchingly connected.

[0015] By adopting the above technical scheme, the matched sleeve is arranged to achieve rotational matched connection.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the stop valve with the valve core structure convenient to quickly replace,

[0017] (1) The valve body structure is arranged to solve the problem that the existing stop valve is usually in an integrated structure with the valve core part, the valve core cannot be replaced alone, the stop valve needs to be replaced as a whole when the valve core is damaged, the use cost is increased, and the use demand of the people cannot be met well. When the valve core body needs to be replaced, the operator rotates the valve cover and the valve body to be stress separated, and then the hand wheel threaded rod drives the valve core body to be taken out of the valve body, so that the valve core body can be quickly replaced.

[0018] (2) The valve core structure is arranged to solve the above problem. When the valve core body is taken out of the valve body, the operator rotates the valve core body to drive the matched sleeve and the connecting sleeve to be stress separated, so that the valve core body can be quickly disassembled or installed. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the sectional structure of the utility model;

[0020] Figure 2 It is a structure schematic view of the valve body, external thread, internal thread, valve cover, threaded sleeve, hand wheel threaded rod, driving rod, bearing seat and connecting sleeve of the utility model;

[0021] Figure 3 It is a structure schematic view of the connecting sleeve, matched groove and magnet block of the utility model;

[0022] Figure 4 It is a structure schematic view of the valve core structure of the utility model.

[0023] Fig. 1, valve body structure; 101, valve body; 102, external thread; 103, internal thread; 104, valve cover; 105, threaded cylinder; 106, hand wheel threaded rod; 107, driving rod; 108, bearing seat; 109, connecting cylinder; 1010, matching groove; 1011, magnet block; 2, valve core structure; 201, valve core body; 202, matching cylinder; 203, matching block; 204, adsorption block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-4 The present application provides a technical solution: a stop valve with a valve core structure convenient to replace quickly, as shown in Figure 1 , Figure 2 and Figure 3 , comprising a valve body structure 1, the valve body structure 1 comprising a valve body 101 with an external thread 102 on the surface, and the valve body 101 is threadedly connected with a valve cover 104 through the external thread 102 and an internal thread 103, while the valve cover 104 is internally provided with a threaded cylinder 105 threadedly connected with a hand wheel threaded rod 106, and the valve cover 104 is surface-welded with a driving rod 107 for the operator to operate and adjust conveniently, wherein the above-mentioned parts constitute a rotary mounting and dismounting structure, and when the rotary mounting and dismounting structure constituted by the above-mentioned parts is used, the valve cover 104 can be effectively and quickly rotated to mount and dismount and separate.

[0026] Further, the bottom of the hand wheel threaded rod 106 is equipped with a bearing seat 108, and the bottom of the bearing seat 108 is fixedly installed with a connecting cylinder 109 with a matching groove 1010, the matching groove 1010 is provided with four, and the matching groove 1010 is provided in a ring array, through the above structure provided with four, which not only reflects the practicability of the above structure, but also reflects the equidistance distribution of the above structure, and through the above structure provided with four, which reflects the rotation sliding matching of the above structure and the matching block 203, and the matching groove 1010 is provided in a ring array, which effectively reflects the axial and longitudinal axis symmetry of the above structure, and the inside of the connecting cylinder 109 is fixedly installed with a magnet block 1011, the connecting cylinder 109 and the matching cylinder 202 are concentrically connected, through the above two concentrically connected, which not only reflects the rotation matching connection of the above two, but also reflects the practicability and the beauty of the whole matching connection of the above two, and through the above two concentrically connected, which effectively reflects the axial and longitudinal axis symmetry of the above two matching connection.

[0027] As shown in Figure 4 The valve body structure 1 is provided with a valve core structure 2, the valve core structure 2 comprises a valve core body 201 as a body, and the valve core body 201 is fixedly installed with a matching cylinder 202, and the surface of the matching cylinder 202 is fixedly installed with a matching block 203 rotationally connected with the matching groove 1010, and the upper side of the matching cylinder 202 is fixedly installed with an adsorption block 204 adsorptively connected with the magnet block 1011, wherein the above components constitute a rotation matching structure, and the rotation matching structure composed of the above components effectively reflects the quick rotation installation and rotation disassembly separation of the above components.

[0028] In the above scheme, when the valve core body 201 needs to be replaced, the operator drives the lever 107 to rotate the valve cover 104 and separates the valve body 101 under the action, then the hand wheel threaded rod 106 drives the valve core body 201 to take out the inside of the valve body 101, when the valve core body 201 is taken out of the inside of the valve body 101, the operator rotates the valve core body 201 to drive the matching cylinder 202 and the connecting cylinder 109 to separate under the action, so that the valve core body 201 can be quickly disassembled or installed.

[0029] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0030] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A globe valve with a valve core structure that is easily replaced, comprising a valve body structure (1), characterized in that: The valve body structure (1) is internally provided with a valve core structure (2); The valve body structure (1) comprises a valve body (101) with an outer thread (102) on the surface, and the valve body (101) is threadedly connected with a valve cover (104) through the outer thread (102) and an inner thread (103), and the valve cover (104) is internally provided with a threaded cylinder (105) threadedly connected with a hand wheel threaded rod (106); The valve cover (104) is welded with a driving rod (107) on the surface, so as to facilitate the operator to operate and adjust.

2. The globe valve according to claim 1, wherein: The bottom of the hand wheel threaded rod (106) is provided with a bearing seat (108), and the bottom of the bearing seat (108) is fixedly provided with a connecting cylinder (109) with a matching groove (1010), and the connecting cylinder (109) is internally fixedly provided with a magnet block (1011).

3. The globe valve of claim 1, wherein: The valve core structure (2) comprises a valve core body (201) as a body, and the valve core body (201) is fixedly provided with a matching cylinder (202), and the matching cylinder (202) is fixedly provided with a matching block (203) rotatably connected with the matching groove (1010) on the surface, and the matching cylinder (202) is fixedly provided with an adsorption block (204) adsorptively connected with the magnet block (1011) above.

4. The globe valve of claim 2, wherein: The matching groove (1010) is provided with four, and the matching groove (1010) is provided in an annular array.

5. The globe valve of claim 2, wherein: The connecting cylinder (109) and the matching cylinder (202) are concentrically and matchingly connected.

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