CN213628902U - Ultrahigh-pressure sand-proof plug valve with easily replaced core - Google Patents

Abstract

The utility model discloses an easily trade superhigh pressure sand control plug valve of core belongs to plug valve technical field, an easily trade superhigh pressure sand control plug valve of core, including the valve body, the top fixedly connected with valve gap of valve body, fixedly connected with right side shrouding on the top inner wall of valve body, fixedly connected with left side shrouding on the bottom inner wall of valve body, fixedly connected with leads to stifled valve plate between right side shrouding and the left side shrouding, leads to the middle part of stifled valve plate and has seted up the opening, fixedly connected with connecting plate on the inner wall of valve gap, is provided with the valve rod in the valve gap, and the bottom of valve rod runs through the top outer. Can realize when changing the case, need not to unpack the valve whole apart, can carry out the change of case, and change the in-process, trade the reserve stopper of core and can replace the case to block up the circulation hole, make the valve close to also need not to pull down the valve from the pipeline, make the case change easy operation and labour saving and time saving.

Description

Ultrahigh-pressure sand-proof plug valve with easily replaced core

Technical Field

The utility model relates to a plug valve technical field, more specifically say, relate to an easily trade superhigh pressure sand control plug valve of core.

Background

Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

Superhigh pressure sand control plug valve is one of valve, and the plug valve is after long-time use, and the case seriously need be changed because of wearing and tearing, and current superhigh pressure sand control plug valve, when changing the case, the valve can't be closed, therefore need pull down the valve from the pipeline, then unpack the valve wholly apart, can carry out the change of case, troublesome poeration and waste time and energy. Therefore, the ultrahigh pressure sand control plug valve with the easily replaceable core is provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an easily trade superhigh pressure sand control plug valve of core, it can realize when changing the case, need not to take the valve whole apart, can carry out the change of case, and change the in-process, trades the reserve stopper of core and can replace the case to block up the opening, makes the valve close to also need not to pull down the valve from the pipeline, make the case change, easy operation and labour saving and time saving.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An ultrahigh pressure sand prevention plug valve with an easily replaced core comprises a valve body, wherein the top end of the valve body is fixedly connected with a valve cover, the inner wall of the top end of the valve body is fixedly connected with a right side sealing plate, the inner wall of the bottom end of the valve body is fixedly connected with a left side sealing plate, a plugging valve plate is fixedly connected between the right side sealing plate and the left side sealing plate, the middle part of the plugging valve plate is provided with a circulation hole, the inner wall of the valve cover is fixedly connected with a connecting plate, a valve rod is arranged in the valve cover, the bottom end of the valve rod penetrates through the connecting plate and the outer wall of the top of the valve body to extend into the valve body and is fixedly connected with a spare core replacing plug, a valve core is arranged below the spare core replacing plug, the middle part of the valve core is provided with a connecting, the valve body is characterized in that an outer connecting cylinder is fixedly connected to the outer wall of the bottom of the valve body, a fixing baffle is fixedly connected to the inner wall of the outer connecting cylinder, a pull rod penetrates through the middle of the fixing baffle in a sliding mode, the top end of the pull rod is rotatably connected with a hole plug matched with the leading-out hole through a bearing, clamping blocks are fixedly connected to the outer walls of the two sides of the pull rod, and an operation leading-out hole is formed in the outer wall of one side of the front face of the outer connecting cylinder.

Furthermore, the valve core is arranged to be cylindrical and matched with the circulation hole, the valve core penetrates through the circulation hole and is inserted into the circulation hole, threads are arranged on the outer wall of the valve rod, the valve rod is in threaded connection with the connecting plate, the top end of the valve rod penetrates through the outer wall of the valve cover in a sliding mode to extend to the outside and is fixedly connected with a hand wheel, and the valve rod can move up and down through forward and backward rotation of the hand wheel through the arrangement of the connecting plate, the valve rod and the hand wheel, so that the spare core replacing plug is driven to move up and down.

Furthermore, the sealing ring is arranged at the joint of the valve rod and the outer wall of the valve body, the sealing ring can be arranged to ensure the sealing performance of the joint of the valve rod and the outer wall of the valve body and prevent the valve from leaking, the spare core replacing plug is arranged to be cylindrical and equal to the radius of the valve core, and when the valve core is replaced, the spare core replacing plug can replace the valve core to block the circulation hole to close the valve, so that the valve is not required to be detached from a pipeline, the valve core can be replaced, and the convenience for replacing the valve core is improved.

Further, the outer wall of the connecting screw rod is provided with threads, the bottom end of the spare core changing plug is provided with thread grooves matched with the connecting screw rod, the connecting screw rod is in threaded connection with the spare core changing plug through the thread grooves, the inner wall of the connecting hole is fixedly connected with a connecting clamping plate, the connecting screw rod penetrates through the connecting clamping plate in a sliding mode, the outer wall of the connecting screw rod is fixedly sleeved with a connecting clamping ring, the top end of the connecting clamping ring is abutted against the connecting clamping plate, the spare core changing plug is clamped with the valve core through the connecting screw rod, the connecting clamping plate and the connecting clamping ring, the spare core changing plug can move up and down and can drive the valve core to move up and down, so that the conduction and the blockage of the circulation hole are controlled, the opening and the closing of the valve are controlled, the connecting screw rod is rotated to be separated from the spare core changing plug, the valve core can be separated, the valve core can be replaced without disassembling the valve.

Furthermore, the hole plug is inserted into the guide hole, two through grooves matched with the fixture blocks are formed in the fixing baffle plate, the through grooves are perpendicular to the fixture blocks, the fixture blocks and the connecting plates are overlapped by rotating the pull rod through the fixture blocks and the through grooves, the pull rod can be pulled down to enable the hole plug to be separated from the guide hole, and then the valve core is replaced.

Further, the equal fixedly connected with handle bar in both sides of connecting screw rod bottom to be convenient for rotate connecting screw rod, the bottom outer wall that the bottom of pull rod slided through fixed stop extends to the outside to fixedly connected with hand power ring, thereby be convenient for rotate and pulling the pull rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme need not to unpack the valve whole apart when changing the case, can carry out the change of case, and change the in-process, trades the reserve stopper of core and can replace the case to block up the opening, makes the valve close to also need not to pull down the valve from the pipeline, make the case change easy operation and labour saving and time saving.

(2) Through the setting of connecting plate, valve rod, hand wheel for through the hand wheel just, the reverse rotation valve rod, can make the valve rod move up and down, thereby drive and trade the spare stopper of core, move down, trade the spare stopper of core up and down, can drive the case up and down and move, thereby switch on and block up of control through hole, and then opening and closing of control flap, and rotate connecting screw, make connecting screw break away from trade the spare stopper of core, can make the case separate with trading the spare stopper of core, and then change the case, make and need not to unpack apart the valve, can carry out the change of case.

(3) The sealing ring can ensure the sealing performance of the joint of the valve rod and the outer wall of the valve body, and the valve is prevented from leaking.

(4) When the valve core is replaced, the spare core replacing plug can replace the valve core to block the circulation hole to close the valve, so that the valve core can be replaced without detaching the valve from a pipeline, and the convenience of replacing the valve core is improved.

(5) Through the arrangement of the clamping block and the through groove, the pull rod is rotated to enable the clamping block to be superposed with the connecting plate, and then the pull rod can be pulled down to enable the hole plug to be separated from the leading-out hole, so that the valve core is replaced.

(6) The equal fixedly connected with handle bar in both sides of connecting screw rod bottom to be convenient for rotate connecting screw rod, the bottom outer wall that the bottom slip of pull rod runs through fixed stop extends to the outside, and fixedly connected with hand power ring, thereby be convenient for rotate and pulling the pull rod.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a cross-sectional view of the valve body and the valve cover of the present invention;

FIG. 3 is a cross-sectional view of the valve core and the spare plug for replacing the core;

FIG. 4 is a cross-sectional view of the interior of the outer connecting cylinder of the present invention;

fig. 5 is a top cross-sectional view of the present invention at the fixed stop;

fig. 6 is a top view of the through blocking valve plate of the present invention.

The reference numbers in the figures illustrate:

101. a valve body; 102. a valve cover; 103. a right sealing plate; 104. a left closure plate; 105. a plugging valve plate; 106. a connecting plate; 107. a valve stem; 108. a hand wheel; 109. a seal ring; 110. replacing the spare plug; 111. a valve core; 112. connecting holes; 113. connecting a screw rod; 114. connecting a clamping plate; 115. connecting a snap ring; 116. a handle bar; 117. a lead-out hole; 118. a flow-through hole; 201. an outer connecting cylinder; 202. fixing a baffle plate; 203. a pull rod; 204. a hole plug; 205. a clamping block; 206. a through groove; 207. a hand-pulling ring; 208. the extraction aperture is manipulated.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, an ultrahigh pressure sand control plug valve with an easily replaceable core comprises a valve body 101, a valve cover 102 is fixedly connected to the top end of the valve body 101, a right sealing plate 103 is fixedly connected to the inner wall of the top end of the valve body 101, a left sealing plate 104 is fixedly connected to the inner wall of the bottom end of the valve body 101, a plugging valve plate 105 is fixedly connected between the right sealing plate 103 and the left sealing plate 104, a flow through hole 118 is formed in the middle of the plugging valve plate 105, a connecting plate 106 is fixedly connected to the inner wall of the valve cover 102, a valve rod 107 is arranged in the valve cover 102, the bottom end of the valve rod 107 penetrates through the connecting plate 106 and the outer wall of the top of the valve body 101 and extends into the valve body 101, a spare core replacing plug 110 is fixedly connected to the bottom of the spare core plug 110, a valve core 111 is arranged below the spare, the valve rod 107 is in threaded connection with the connecting plate 106, the top end of the valve rod 107 penetrates through the outer wall of the valve cover 102 in a sliding manner and extends to the outside, the hand wheel 108 is fixedly connected, the valve rod 107 can move up and down by forward and backward rotation of the valve rod 107 through the hand wheel 108 through the arrangement of the connecting plate 106, the valve rod 107 and the hand wheel 108, so that the spare core changing plug 110 is driven to move up and down, the sealing ring 109 is arranged at the joint of the valve rod 107 and the outer wall of the valve body 101, the sealing performance of the joint of the valve rod 107 and the outer wall of the valve body 101 can be ensured by the arrangement of the sealing ring 109, the valve leakage is prevented, the spare core changing plug 110 is arranged into a cylinder with the radius equal to that of the valve core 111, when the valve core 111 is replaced, the spare core changing plug 110 can replace the valve core 111 to block the through hole 118, so that, the middle part of the valve core 111 is provided with a connecting hole 112, a connecting screw 113 is arranged in the connecting hole 112, the outer wall of the connecting screw 113 is provided with threads, the bottom end of the spare core changing plug 110 is provided with a thread groove matched with the connecting screw 113, the connecting screw 113 is in threaded connection with the spare core changing plug 110 through the thread groove, the inner wall of the connecting hole 112 is fixedly connected with a connecting clamping plate 114, the connecting screw 113 penetrates through the connecting clamping plate 114 in a sliding manner, a connecting clamping ring 115 is fixedly sleeved on the outer wall of the connecting screw 113, the top end of the connecting clamping ring 115 is abutted against the connecting clamping plate 114, the spare core changing plug 110 is clamped with the valve core 111 through the connecting screw 113, the connecting clamping plate 114 and the connecting clamping ring 115, so that the spare core changing plug 110 moves up and down, the valve core 111 can be driven to move up and down, thereby controlling the conduction and blockage, the connecting screw 113 is separated from the spare core replacing plug 110, the valve core 111 can be separated from the spare core replacing plug 110, and the valve core 111 can be replaced, so that the valve core 111 can be replaced without disassembling the valve, the outer wall of the bottom of the valve body 101 is provided with the leading-out hole 117, the leading-out hole 117 is positioned under the valve core 111, the outer wall of the bottom of the valve body 101 is fixedly connected with the outer connecting cylinder 201, the inner wall of the outer connecting cylinder 201 is fixedly connected with the fixed baffle 202, the middle part of the fixed baffle 202 is slidably penetrated with the pull rod 203, the top end of the pull rod 203 is rotatably connected with the hole plug 204 matched with the leading-out hole 117 through a bearing, the outer walls at two sides of the pull rod 203 are fixedly connected with the fixture blocks 205, the outer wall at one side of the front face of the outer connecting cylinder 201 is provided with the operation taking-out hole 208, the hole plug 204 is inserted with the leading-out, through fixture block 205, the setting of logical groove 206, rotation pull rod 203 makes fixture block 205 and connecting plate 106 coincide, can pull down pull rod 203 and make plug 204 break away from the guide-out hole 117, and then carry out the change of case 111, the equal fixedly connected with handle bar 116 in both sides of connecting screw 113 bottom, thereby be convenient for rotate connecting screw 113, the bottom outer wall that the bottom of pull rod 203 slided through fixed stop 202 extends to the outside, and fixedly connected with hand pull ring 207, thereby be convenient for rotate and stimulate pull rod 203.

When in use, a worker rotates the pull rod 203 to enable the fixture block 205 to coincide with the connecting plate 106, pulls the pull rod 203 downwards to enable the hole plug 204 to be separated from the leading-out hole 117 until the hole plug 204 moves to a position lower than the bottom end of the operation taking-out hole 208, rotates the valve rod 107 through the hand wheel 108 to enable the spare core replacing plug 110 and the valve core 111 to move downwards until the spare core replacing plug 110 is inserted into the circulation hole 118 and the handle rod 116 penetrates through the leading-out hole 117, the worker extends a hand into the outer connecting cylinder 201 through the operation taking-out hole 208, then rotates the connecting screw rod 113 through the handle rod 116 to enable the connecting screw rod 113 to be separated from the spare core replacing plug 110, namely, the valve core 111 can be separated from the spare core replacing plug 110, further the valve core 111 falls through the leading-out hole 117 and is taken out through the operation taking-out hole 208, then takes out a new valve core 111, enables the spare core replacing plug 110 to be connected and fixed, compared with the prior art, when the valve core 111 is replaced, the valve core 111 can be replaced without disassembling the whole valve, and in the replacement process, the spare core replacement plug 110 can replace the valve core 111 to block the circulation hole 118 to close the valve, so that the valve does not need to be detached from the pipeline, the valve core 111 is replaced, and the valve is simple to operate, time and labor are saved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. The utility model provides an easy superhigh pressure sand control plug valve of trading core, includes valve body (101), the top fixedly connected with valve gap (102) of valve body (101), its characterized in that: a right sealing plate (103) is fixedly connected to the inner wall of the top end of the valve body (101), a left sealing plate (104) is fixedly connected to the inner wall of the bottom end of the valve body (101), a blocking valve plate (105) is fixedly connected between the right sealing plate (103) and the left sealing plate (104), a circulation hole (118) is formed in the middle of the blocking valve plate (105), a connecting plate (106) is fixedly connected to the inner wall of the valve cover (102), a valve rod (107) is arranged in the valve cover (102), the bottom end of the valve rod (107) penetrates through the connecting plate (106) and the outer wall of the top of the valve body (101) and extends into the valve body (101), a core replacing standby plug (110) is fixedly connected to the bottom of the core replacing standby plug (110), a valve core (111) is arranged below the core replacing standby plug (110), a connecting hole (112) is formed in, the valve is characterized in that a leading-out hole (117) is formed in the outer wall of the bottom of the valve body (101), the leading-out hole (117) is located under the valve core (111), the outer connecting cylinder (201) of the fixedly connected with is arranged on the outer wall of the bottom of the valve body (101), a fixing baffle plate (202) is fixedly connected to the inner wall of the outer connecting cylinder (201), a pull rod (203) penetrates through the middle of the fixing baffle plate (202) in a sliding mode, the top end of the pull rod (203) is connected with a hole plug (204) matched with the leading-out hole (117) in a rotating mode through a bearing, clamping blocks (205) are fixedly connected to the outer walls of the two sides of the pull rod (203), and an operation taking-out hole (208) is formed in the.

2. The ultrahigh-pressure sand control plug valve with the easily replaced core according to claim 1, is characterized in that: the valve core (111) is arranged to be cylindrical and matched with the circulation hole (118), the valve core (111) penetrates through and is inserted into the circulation hole (118), threads are arranged on the outer wall of the valve rod (107), the valve rod (107) is in threaded connection with the connecting plate (106), and the top end of the valve rod (107) penetrates through the outer wall of the valve cover (102) in a sliding mode to extend to the outside and is fixedly connected with a hand wheel (108).

3. The ultrahigh-pressure sand control plug valve with the easily replaced core according to claim 1, is characterized in that: and a sealing ring (109) is arranged at the joint of the valve rod (107) and the outer wall of the valve body (101), and the spare core replacing plug (110) is arranged to be cylindrical with the same radius as that of the valve core (111).

4. The ultrahigh-pressure sand control plug valve with the easily replaced core according to claim 1, is characterized in that: be provided with the screw thread on the outer wall of connecting screw (113), trade the bottom of the reserve stopper of core (110) and offer with connecting screw (113) assorted thread groove, connecting screw (113) through thread groove with trade reserve stopper of core (110) threaded connection, fixedly connected with connection cardboard (114) on the inner wall of connecting hole (112), connecting screw (113) slip through connection cardboard (114), fixed cover is equipped with on the outer wall of connecting screw (113) and connects snap ring (115), the top of connecting snap ring (115) offsets with connection cardboard (114).

5. The ultrahigh-pressure sand control plug valve with the easily replaced core according to claim 1, is characterized in that: the hole plug (204) is inserted into the leading-out hole (117), two through grooves (206) matched with the clamping blocks (205) are formed in the fixed baffle plate (202), and the through grooves (206) are perpendicular to the clamping blocks (205).

6. The ultrahigh-pressure sand control plug valve with the easily replaced core according to claim 1, is characterized in that: the both sides of connecting screw rod (113) bottom are equal fixedly connected with handle pole (116), the bottom outer wall that runs through fixed stop (202) that slides of pull rod (203) extends to the outside to fixedly connected with hand power ring (207).

Images