Externally-controlled buried sealing ball valve

Abstract

The utility model relates to the technical field of valves, in particular to an externally-controlled buried sealing ball valve which comprises a ball valve body and a valve handle arranged on the ball valve body, a long rod is fixedly installed at the top end of the valve handle, a rectangular inserting rod is inserted into the long rod in a matched mode, and a rotary knob is fixedly installed at the top end of the rectangular inserting rod. An outer protection sleeve piece arranged outside the valve handle and the long rod in a sleeving mode is fixedly installed on a shell of the ball valve body, the outer protection sleeve piece comprises a vertical protection sleeve detachably connected to the shell of the ball valve body, and a top pipe body of the vertical protection sleeve is sleeved with a waterproof sleeve used for protecting the rotary knob inside. A top pipe body of the vertical protection sleeve and the waterproof sleeve are both located above the earth surface, a plurality of studs are fixedly installed on a top shell of the ball valve body, a fixing support is fixedly installed at the bottom end of the vertical protection sleeve, and the fixing support and the studs are fixed through nuts. The utility model has the effect of protecting the valve handle, is not easy to damage, and is favorable for prolonging the service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a buried type sealing ball valve of external control. BACKGROUND

[0002] In modern industry and municipal engineering, the buried type sealing ball valve is widely applied in the field of water supply and drainage system, petroleum and natural gas conveying pipeline and the like owing to its characteristics of being able to adapt to underground complex environment and effectively control fluid conveying, it not only can guarantee the stable transmission of fluid, but also can reduce the ground space occupation and reduce the influence of environment on the valve.

[0003] The existing buried type sealing ball valve is generally installed underground when being used, the valve handle and other components thereof are generally penetrated through the soil layer and exposed outside, so as to achieve the effect of facilitating the valve control outside the soil layer, but the valve handle part thereof is generally directly penetrated through the soil layer and directly contacted with the soil layer, the outer part of the valve handle lacks the assembly for insulating and protecting the soil, and the soil is easily adhered to the threaded connection part of the valve handle, thereby affecting the smoothness of the subsequent valve handle rotation. UTILITY MODEL CONTENTS

[0004] The utility model discloses a buried type sealing ball valve of external control, which aims at solving the defects in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] A buried type sealing ball valve of external control, comprising a ball valve body and a valve handle arranged on the ball valve body, a vertical long rod is fixedly installed at the top end of the valve handle, a rectangular insertion rod is inserted and matched in the long rod, a knob is fixedly installed at the top end of the rectangular insertion rod, an outer protective sleeve is fixedly installed on the shell of the ball valve body and sleeved outside the valve handle and the long rod, the outer protective sleeve comprises a vertical protective sleeve pipe which is detachably connected to the shell of the ball valve body, a waterproof sleeve for protecting the knob inside is sleeved on the top pipe body of the vertical protective sleeve pipe, and the top pipe body of the vertical protective sleeve pipe and the waterproof sleeve are located above the ground surface.

[0007] Preferably, a rectangular insertion groove is arranged in the top rod body of the long rod, and the rectangular insertion rod and the rectangular insertion groove are inserted and matched.

[0008] Preferably, the cross sections of the rectangular insertion rod and the rectangular insertion groove are both rectangular, and the size of the rectangular insertion rod is matched with the size of the rectangular insertion groove.

[0009] Preferably, a plurality of studs are fixedly installed on the top shell of the ball valve body, a fixed support is fixedly installed at the bottom end of the vertical protection sleeve, and the fixed support and the studs are fixed through nuts;

[0010] Preferably, a sealing gasket is arranged between the fixed support and the top shell of the ball valve body, through holes for the studs to pass through are arranged in the fixed support and the sealing gasket, and the nuts are screwed on the studs;

[0011] The two arrangements facilitate the fixed installation of the fixed support, and the sealing gasket can play a sealing protection effect.

[0012] Preferably, a plurality of support rings are fixedly installed in the lower half of the vertical protection sleeve, a center hole is arranged at the center position of the support ring, and the long rod passes through the center hole and is connected with the center hole in a sliding manner;

[0013] This arrangement can support the long rod part, so that the long rod is not easy to break.

[0014] Preferably, an upper ring is fixedly installed on the inner wall of the top pipe body of the vertical protection sleeve, a rectangular hole is arranged at the center position of the upper ring, the rectangular insertion rod passes through the rectangular hole and is connected with the rectangular hole in a sliding manner, and the plane where the inner wall of the upper ring is located is arranged to be inclined downward by 45°-60° toward the side of the rectangular hole;

[0015] This arrangement can guide the insertion of the rectangular insertion rod.

[0016] Preferably, a carrying ring is fixedly installed on the annular side surface of the vertical protection sleeve, the waterproof sleeve comprises a long sleeve that is sleeved on the top pipe body of the vertical protection sleeve, a handle is fixedly installed at the top end of the long sleeve, a limiting ring is fixedly installed at the bottom end of the long sleeve, the limiting ring abuts against the upper surface of the carrying ring, and lock holes are arranged on the carrying ring and the limiting ring;

[0017] This arrangement can use the long sleeve to waterproof the top of the vertical protection sleeve, avoid rainwater from entering, and also enable the lock hole part to be locked, so that non-operating personnel cannot open it.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The utility model discloses a valve handle and long rod outside the outer protective sleeve set, wherein the vertical protection sleeve pipe is isolated with the external soil, avoids the soil adhesion in the valve handle threaded connection part, and effectively guarantees the smoothness of valve handle rotation, simultaneously, the support ring on the vertical protection sleeve pipe supports the long rod, strengthens the stability of long rod, prevents its breakage, and ensures the normal operation of valve control part.

[0020] 2. The utility model discloses a rectangular insertion rod and long rod adopt the mode of insertion cooperation, cooperate the guiding structure on the ring of vertical protection sleeve pipe top tube inner wall, make the connection and operation between knob and valve handle more convenient, both convenient installation and disassembly, and can guarantee the stability when operating, and the rectangular design of rectangular insertion rod and long rod effectively avoids the relative rotation between both, ensures the operation force can be accurately transmitted to valve handle.

[0021] 3. The utility model discloses a waterproof sleeve is set up on the vertical protection sleeve pipe top, utilizes long sleeve to waterproof protection vertical protection sleeve pipe top, prevents rainwater from entering protection sleeve pipe, avoids internal component damage due to damp, simultaneously, the lock hole design on the carrying ring and the limiting ring can prevent non - operating personnel from operating valve at will through locking, enhances the safety and controllability of valve use, also prolongs the service life of valve. DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the explosion structure schematic diagram of the utility model;

[0024] Figure 3 It is the utility model Figure 2 The enlarged view of A place in;

[0025] Figure 4 It is the vertical protection sleeve pipe of the utility model of section view;

[0026] Figure 5 It is the utility model Figure 4 The enlarged view of B place in;

[0027] Figure 6 It is the partial structure schematic diagram of the utility model;

[0028] The meaning of each mark in the drawing is:

[0029] 1, ball valve main body;10, valve handle;11, long rod;111, rectangular insertion slot;12, stud;

[0030] 2, outer protective kit; 20, vertical protective sleeve; 21, fixed support; 22, sealing pad; 23, through hole; 24, nut; 25, support ring; 251, center hole; 26, upper ring; 261, rectangular hole; 27, carrying ring;

[0031] 3, rectangular plug; 30, knob;

[0032] 4, waterproof sleeve; 40, long sleeve; 41, handle; 42, limiting ring;

[0033] 5, lock hole. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-6 The present application provides a technical solution: an externally controlled buried type sealing ball valve, which comprises a ball valve body 1 and a valve handle 10 arranged on the ball valve body 1. The top end of the valve handle 10 is fixedly installed with a vertical long rod 11. The long rod 11 is inserted and matched with a rectangular plug 3. The top end of the rectangular plug 3 is fixedly installed with a knob 30. The shell of the ball valve body 1 is fixedly installed with an outer protective kit 2 sleeved outside the valve handle 10 and the long rod 11. The outer protective kit 2 comprises a vertical protective sleeve 20 detachably connected to the shell of the ball valve body 1, so as to isolate the valve handle 10 from the soil layer and effectively prevent the soil from adhering to the threaded connection part of the valve handle 10, so that the valve handle 10 rotates more smoothly, and the normal opening and closing operation of the ball valve body 1 is ensured.

[0036] As Figures 1-3 shown, the top rod body of the long rod 11 is provided with a rectangular insertion groove 111. The rectangular plug 3 is inserted and matched with the rectangular insertion groove 111. The cross sections of the rectangular plug 3 and the rectangular insertion groove 111 are both rectangular. The size of the rectangular plug 3 is matched with the size of the rectangular insertion groove 111, so that the operating force can be stably transmitted between the knob 30 and the valve handle 10, and relative rotation is avoided, which facilitates the operator to flexibly control the ball valve body 1 on the ground through the knob 30.

[0037] As Figure 2As shown, the top shell of the ball valve body 1 is fixedly installed with a plurality of studs 12, the bottom end of the vertical protective sleeve 20 is fixedly installed with a fixed support 21, the fixed support 21 is fixed between the studs 12 through a nut 24, the fixed support 21 and the top shell of the ball valve body 1 are provided with a sealing gasket 22, the fixed support 21 and the sealing gasket 22 are both provided with through holes 23 for the studs 12 to pass out, the nut 24 is tightened on the stud 12, which facilitates quick installation and fixation of the vertical protective sleeve 20, and at the same time, the sealing gasket 22 effectively prevents external liquids, impurities and the like from entering, thereby enhancing the sealing performance of the connection part between the outer protective sleeve 2 and the ball valve body 1.

[0038] As shown in the figure, Figure 4 As shown, a plurality of support rings 25 are fixedly installed in the lower half of the pipe body of the vertical protective sleeve 20, a center hole 251 is arranged at the center position of the support ring 25, the long rod 11 passes through the center hole 251 and is connected between the center hole 251 in a sliding manner, thereby providing reliable support for the long rod 11, dispersing the stress of the long rod 11, effectively avoiding the long rod 11 from being broken due to external force, prolonging the service life of the component and ensuring the stability of the valve external control structure.

[0039] In this embodiment, an upper ring 26 is fixedly installed on the inner wall of the top pipe body of the vertical protective sleeve 20, a rectangular hole 261 is arranged at the center position of the upper ring 26, the rectangular insertion rod 3 passes through the rectangular hole 261 and is connected between the rectangular hole 261 in a sliding manner, and the plane where the inner wall of the upper ring 26 is located is arranged to be downwardly inclined by 45°-60° toward one side of the rectangular hole 261. When the rectangular insertion rod 3 is installed, the inclined inner wall can guide it, so that the rectangular insertion rod 3 is more conveniently inserted into the rectangular insertion slot 111 of the long rod 11, thereby improving the installation efficiency and operation convenience.

[0040] Specifically, the waterproof sleeve 4 for protecting the knob 30 inside is sleeved on the top pipe body of the vertical protective sleeve 20, the top pipe body of the vertical protective sleeve 20 and the waterproof sleeve 4 are both located above the ground surface, the carrying ring 27 is fixedly installed on the annular side surface of the vertical protective sleeve 20, the waterproof sleeve 4 includes a long sleeve 40 sleeved on the top pipe body of the vertical protective sleeve 20, the top end of the long sleeve 40 is fixedly installed with a handle 41, the bottom end of the long sleeve 40 is fixedly installed with a limiting ring 42, the limiting ring 42 abuts against the upper surface of the carrying ring 27, the carrying ring 27 and the limiting ring 42 are both provided with a lock hole 5, and the long sleeve 40 can effectively block rainwater and the like from entering the inside of the vertical protective sleeve 20, the limiting ring 42 is positioned in cooperation with the carrying ring 27, and by locking on the lock hole 5, unauthorized personnel can be prevented from randomly operating the knob 30, thereby improving the safety of valve use.

[0041] The externally-controlled buried type sealing ball valve is used, the ball valve body 1 is placed in the underground preset position, the stud 12 on the top shell of the ball valve body 1 is used for sleeving the fixed support 21 and the sealing gasket 22 on the stud 12, then the nut 24 is used for fastening and fixing, the vertical protection sleeve pipe 20 is stably installed on the ball valve body 1, meanwhile, the sealing gasket 22 ensures the sealing of the connecting part, at this time, the vertical protection sleeve pipe 20 is sleeved on the valve handle 10 and the long rod 11, and the long rod 11 passes through the center hole 251 of the supporting ring 25 in the lower half part of the pipe body of the vertical protection sleeve pipe 20;

[0042] Then the rectangular insertion rod 3 is inserted into the rectangular insertion slot 111 at the top of the long rod 11 from the top of the vertical protection sleeve pipe 20, the upper ring 26 on the inner wall of the top pipe body of the vertical protection sleeve pipe 20 is used for guiding the rectangular insertion rod 3, so that the installation is smooth, after the rectangular insertion rod 3 is inserted, the knob 30 is exposed outside the top end of the vertical protection sleeve pipe 20, the long sleeve 40 is sleeved on the top pipe body of the vertical protection sleeve pipe 20, and the knob 30 is protected inside.

[0043] During daily operation and maintenance, the operator controls the ball valve body 1 through the knob 30 above the ground surface, the long rod 11 and the rectangular insertion rod 3 transmit the operation force, when not in use, the long sleeve 40 of the waterproof sleeve 4 is sleeved on the top pipe body of the vertical protection sleeve pipe 20, the limiting ring 42 is abutted on the carrying ring 27, and the lock hole 5 is locked.

[0044] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and range of the utility model, and the changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An externally controlled, buried type sealed ball valve comprising a ball valve body (1) and a valve handle (10) arranged on the ball valve body (1), characterized in that: The top end of the valve handle (10) is fixedly installed with a vertical long rod (11), the long rod (11) is insertedly connected with a rectangular insertion rod (3), the top end of the rectangular insertion rod (3) is fixedly installed with a knob (30), the shell of the ball valve body (1) is fixedly installed with an external protective sleeve (2) sleeved outside the valve handle (10) and the long rod (11), the external protective sleeve (2) comprises a vertical protective sleeve pipe (20) detachably connected to the shell of the ball valve body (1), a waterproof sleeve (4) for protecting the knob (30) inside is sleeved on the top pipe body of the vertical protective sleeve pipe (20), and the top pipe body of the vertical protective sleeve pipe (20) and the waterproof sleeve (4) are located above the ground surface.

2. The externally piloted, submersible, sealed ball valve according to claim 1, characterized in that: The top rod body of the long rod (11) is provided with a rectangular insertion slot (111), and the rectangular insertion rod (3) and the rectangular insertion slot (111) are insertedly connected.

3. The externally piloted, submersible, sealed ball valve according to claim 2, characterized in that: The cross sections of the rectangular insertion rod (3) and the rectangular insertion slot (111) are rectangular, and the size of the rectangular insertion rod (3) is matched with the size of the rectangular insertion slot (111).

4. The externally piloted, submersible, sealed ball valve of claim 1, wherein: A plurality of studs (12) are fixedly installed on the top shell of the ball valve body (1), a fixed support (21) is fixedly installed at the bottom end of the vertical protective sleeve pipe (20), and the fixed support (21) and the studs (12) are fixed through nuts (24).

5. The externally piloted, submersible, sealed ball valve according to claim 4, characterized in that: A sealing gasket (22) is arranged between the fixed support (21) and the top shell of the ball valve body (1), through holes (23) for the studs (12) to pass through are arranged in the fixed support (21) and the sealing gasket (22), and the nuts (24) are screwed on the studs (12).

6. The externally piloted, submersible, sealed ball valve of claim 1, wherein: A plurality of support rings (25) are fixedly installed in the lower half pipe body of the vertical protective sleeve pipe (20), a center hole (251) is arranged at the center position of the support ring (25), and the long rod (11) passes through and is slidably connected with the center hole (251).

7. The externally piloted, submersible, sealed ball valve of claim 1, wherein: An upper ring (26) is fixedly installed on the inner wall of the top pipe body of the vertical protective sleeve pipe (20), a rectangular hole (261) is arranged at the center position of the upper ring (26), the rectangular insertion rod (3) passes through and is slidably connected with the rectangular hole (261), and the plane where the inner wall of the upper ring (26) is located is arranged to be downwardly inclined by 45°-60° toward one side of the rectangular hole (261).

8. The externally piloted, submersible, sealed ball valve of claim 1, wherein: A carrying ring (27) is fixedly installed on the annular side surface of the vertical protective sleeve pipe (20), the waterproof sleeve (4) comprises a long sleeve (40) sleeved on the top pipe body of the vertical protective sleeve pipe (20), a handle (41) is fixedly installed at the top end of the long sleeve (40), a limiting ring (42) is fixedly installed at the bottom end of the long sleeve (40), the limiting ring (42) abuts against the upper surface of the carrying ring (27), and lock holes (5) are arranged on the carrying ring (27) and the limiting ring (42).

Images