CN220956881U - Gate valve convenient to detach - Google Patents

Abstract

The utility model discloses a gate valve convenient to detach, which comprises a valve body and a valve opening and closing assembly; and (3) a valve body: comprises a valve body and a valve opening and closing assembly; and (3) a valve body: the inner wall has all seted up the spout around it, the spout all with same valve sliding connection, the upper end fixedly connected with disk seat of valve body, the disk seat is connected with valve opening and shutting subassembly with the valve gap through coupling assembling: the bottom of the valve is in threaded connection with the upper end of the valve, and the valve opening and closing assembly is in rotary connection with a round opening in the middle of the valve cover; wherein: the water tank is arranged in the middle of the valve body, the runner pipe is fixedly connected to the left side and the right side of the water tank, the gate valve convenient to detach can ensure the sealing performance when the gate valve is communicated with an external water source, the quick assembly and disassembly are realized, the structure is simple and practical, the maintenance is easy, the integral rigidity of the screw rod can be effectively enhanced, the screw rod is prevented from being damaged excessively or even from being bent and inclined, the rotation is smooth and reliable, and the integral stability of the gate valve is improved.

Description

Gate valve convenient to detach

Technical Field

The utility model relates to the technical field of gate valves, in particular to a gate valve convenient to detach.

Background

The gate valve is an important component in a pipeline system and is mainly used for opening and closing fluid in the pipeline, and in pipe network systems such as water supply, water drainage, heating, cooling and the like, the gate valve is required to be arranged to control the flow direction of the fluid or to carry out maintenance and overhaul.

The traditional part gate valve adopts the integral type structure, whole gate valve integration preparation, the cost is extremely low, economical and practical, but the valve opening and closing mechanism and the valve body of this kind of gate valve are threaded connection or riveting even welding together generally, this kind of structure has the inconvenient problem of dismantlement, need dismantle whole valve body from the pipeline during maintenance, it is very inconvenient, after such gate valve used for a long time, leak phenomenon also appears easily between valve body and the pipeline, the switching of valve often relies on the lead screw to pass power, the lead screw that only both ends supported easily produces crooked skew at the during operation, simple design cost is lower simultaneously, the life of gate valve has also been reduced.

In recent years, along with the continuous improvement of the pressure capacity of a pipeline system, higher requirements are also put forward on the sealing performance and rigidity stability of a gate valve, but the problems of inconvenient disassembly and assembly, poor sealing performance and insufficient rigidity of part of gate valve structures in the prior art are difficult to meet the development requirement of a pipe network, and therefore, the gate valve convenient to disassemble is provided.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides the gate valve convenient to disassemble, which can ensure the sealing performance of the gate valve when the gate valve is communicated with an external water source, realize quick disassembly and assembly, does not need additional disassembly bolts or nuts, has simple and practical structure, lower cost and easy maintenance, can effectively enhance the integral rigidity of the screw rod, avoid bending and inclination, ensure smooth rotation, prolong the service life of the screw rod, improve the integral stability of the gate valve and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a gate valve convenient to disassemble comprises a valve body and a valve opening and closing assembly;

And (3) a valve body: comprises a valve body and a valve opening and closing assembly;

And (3) a valve body: the front and rear inner walls of the valve body are respectively provided with a chute, the chutes are both in sliding connection with the same valve, the upper end of the valve body is fixedly connected with a valve seat, and the valve seat is connected with a valve cover through a connecting component;

Valve opening and closing assembly: the bottom of the valve is in threaded connection with the upper end of the valve, and the valve opening and closing assembly is in rotary connection with a round opening in the middle of the valve cover;

Wherein: the water tank is arranged in the middle of the valve body, the flow pipes are fixedly connected to the left side and the right side of the water tank, sealing performance of the gate valve in communication with an external water source can be guaranteed, quick assembly and disassembly are achieved, additional assembly and disassembly bolts or nuts are not needed, operation is convenient, the structure is simple and practical, cost is low, maintenance is easy, the overall rigidity of the screw rod can be effectively enhanced, excessive damage and even bending and tilting of the screw rod are avoided, and the gate valve is smooth and reliable in rotation, and the overall stability of the gate valve is improved.

Further, the valve opening and closing assembly comprises a hand wheel, a screw rod and a support, the bottom of the screw rod is in threaded connection with the top of the valve, the hand wheel is fixedly connected to the top of the screw rod, the support is rotationally connected to the middle of the screw rod through a bearing, the middle of the screw rod is rotationally connected with a round opening in the middle of a valve cover through the bearing, the middle of the screw rod is supported, the overall rigidity of the screw rod can be effectively enhanced, excessive damage and even bending and tilting caused by uneven stress of the screw rod are avoided, smooth rotation is guaranteed, force transmission is reliable, the service life of the overall screw rod is prolonged, and the overall stability is improved.

Further, coupling assembling includes spacing post, synchronous pulley, screw thread post and buckle, the bottom fixedly connected with of valve gap is three around the equal angle evenly distributed's of the central axis of valve gap spacing post, spacing post all is pegged graft with the top of disk seat, the top of valve gap is connected with the screw thread post around the equal angle evenly distributed of the central axis of valve gap through the bearing rotation, the equal fixedly connected with synchronous pulley in top of screw thread post, and three synchronous pulley passes through the hold-in range transmission and connects, the equal threaded connection in middle part of screw thread post has same buckle, the bottom of buckle is laminated with the diapire of disk seat, and a plurality of screw thread posts can synchronous rotation, have realized quick assembly disassembly, and simple rotatory realization need not extra dismouting bolt or nut, has made things convenient for the operation, simple structure and practical, and the cost is lower, easily maintains the maintenance.

Further, the device also comprises a knob, wherein the bottom of the knob is fixedly connected with the top of the synchronous pulley at the front side, and the technical effect brought by the description is achieved.

Further, the top fixedly connected with connecting seat of valve gap, the surface and the support fixed connection of connecting seat, the middle part of connecting seat passes through the bearing and rotates with the lead screw to be connected, has both realized the location of lead screw, also makes the lead screw obtain extra location support, has improved whole rigidity.

Further, the flange plate is fixedly connected to one side, far away from the valve body, of the flow pipe, connecting holes uniformly distributed around the central axis of the flow pipe in equal angles are formed in the left side and the right side of the flange plate, and the pipeline can be quickly disassembled and assembled.

Furthermore, the side surface of the flange plate, which is far away from the valve body, is fixedly connected with a sealing rubber ring, so that the sealing performance of the valve can be effectively improved, and the working medium is prevented from leaking.

Compared with the prior art, the utility model has the beneficial effects that: this dismantle convenient gate valve has following benefit:

1. After the gate opening and closing assembly is connected with the valve cover and the connecting seat during gate valve installation, then the valve cover and the valve seat are spliced together through the limiting columns by staff, the bottom end of the pinch plate is located at the lower side of the valve seat, the staff twists the knob to drive the synchronous pulley at the front side to rotate, the synchronous pulley at the front side drives the three synchronous pulleys and the three threaded columns to synchronously rotate through the synchronous belt, the three threaded columns synchronously rotate, the pinch plate can be enabled to upwards displace under the limiting action of the threaded columns until the bottom of the pinch plate is tightly attached to the bottom wall of the valve seat, the valve opening and closing assembly, the connecting assembly and the valve body can be enabled to realize quick disassembly, the maintenance is convenient, the sealing rubber ring can ensure the sealing performance when the gate valve is communicated with an external water source, the threaded columns can synchronously rotate, the quick disassembly is realized through simple rotation, additional disassembly bolts or nuts are not needed, the operation is convenient, the structure is practical, the cost is low, and the valve opening and closing assembly and valve opening and valve seat are easy to maintain.

2. When the gate valve needs to be opened, a worker drives and connects at the screw rod to rotate through the hand wheel, the screw rod is limited, the upper and lower positions of the screw rod are unchanged, the bottom of the screw rod can be prevented from directly contacting with the external environment, corrosion and rust are prevented, the service life of the screw rod is prolonged, the valve at the moment is driven to rise under the rotation of the screw rod, the valve continuously rises, when the valve is completely separated from a cavity of the valve body, the full-open state is realized, the support enables the middle part of the screw rod to be additionally supported, the integral rigidity of the screw rod can be effectively enhanced, the phenomenon that the screw rod is damaged excessively or even is bent and inclined due to uneven stress is avoided, smooth rotation is ensured, the force transmission is reliable, the service life of the screw rod is prolonged, and the integral stability of the gate valve is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic cross-sectional view of the front side of the present utility model.

In the figure: the valve comprises a valve body 1, a flow pipe 2, a valve opening and closing assembly 3, a hand wheel 31, a screw rod 32, a bracket 33, a connecting assembly 4, a limiting column 41, a synchronous pulley 42, a threaded column 43, a buckle plate 44, a valve cover 5, a flange plate 6, a connecting hole 7, a sealing rubber ring 8, a valve seat 9, a connecting seat 10, a valve 11 and a knob 12.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: a gate valve convenient to disassemble comprises a valve body 1 and a valve opening and closing assembly 3;

Valve body 1: the front and rear inner walls of the valve body are provided with sliding grooves which are in sliding connection with the same valve 11, the valve 11 is positioned in the sliding groove in the valve body 1 under the closing state of the gate valve, the front and rear chambers of the valve body 1 are separated to realize the closing state, the upper end of the valve body 1 is fixedly connected with a valve seat 9, the valve seat 9 is connected with a valve cover 5 through a connecting component 4, the connecting component 4 comprises a limit column 41, a synchronous pulley 42, a threaded column 43 and a pinch plate 44, the bottom of the valve cover 5 is fixedly connected with three limit columns 41 which are uniformly distributed around the central axis of the valve cover 5 at equal angles, the limit columns 41 are inserted with the top of the valve seat 9, the top of the valve cover 5 is rotationally connected with the threaded columns 43 which are uniformly distributed around the central axis of the valve cover 5 at equal angles through bearings, the tops of the threaded columns 43 are fixedly connected with the synchronous pulley 42, the three synchronous pulleys 42 are in transmission connection through synchronous belts, the middle parts of the threaded columns 43 are uniformly connected with the same pinch plate 44 through threads, the bottom of the pinch plate 44 is attached to the bottom wall of the valve seat 9, the valve seat further comprises a knob 12, the bottom of the knob 12 is fixedly connected with the top of the front synchronous pulley 42, when the gate valve is installed, after the gate opening and closing assembly 3 is connected with the valve cover 5 and the connecting seat 10, then a worker inserts the valve cover 5 and the valve seat 9 together through a limit post 41, at the moment, the bottom end of the pinch plate 44 is positioned at the lower side of the valve seat 9, the worker twists the knob 12 to drive the front synchronous pulley 42 to rotate, the front synchronous pulley 42 drives the three synchronous pulleys 42 and the three threaded posts 43 to synchronously rotate through a synchronous belt, the three threaded posts 43 can synchronously rotate, the pinch plate 44 can upwards displace under the limit action of the threaded posts 43 until the bottom of the pinch plate 44 is tightly attached to the bottom wall of the valve seat 9, the valve opening and closing assembly 3, the connecting assembly 4 and the valve body 1 can be quickly disassembled and assembled, the screw columns 43 can synchronously rotate, the simple rotation realizes quick disassembly and assembly, additional disassembly bolts or nuts are not needed, the operation is convenient, the structure is simple and practical, the cost is low, the maintenance is easy, the connecting seat 10 is fixedly connected to the top of the valve cover 5, the outer surface of the connecting seat 10 is fixedly connected with the support 33, the middle part of the connecting seat 10 is rotationally connected with the screw rod 32 through a bearing, when the screw rod 32 rotates, the valve cover 9 and the connecting seat 10 realize stable limit on the upper and lower positions of the screw rod 32, the position of the screw rod 32 in the horizontal direction is kept unchanged, the bottom of the screw rod 32 can be prevented from directly contacting the external environment, corrosion and rust are prevented, and the service life of the screw rod 32 is prolonged;

Valve opening and closing assembly 3: the bottom of the valve opening and closing assembly 3 is in threaded connection with the upper end of the valve 11, the valve opening and closing assembly 3 is in threaded connection with a round opening in the middle of the valve cover 5, the valve opening and closing assembly 3 comprises a hand wheel 31, a screw rod 32 and a bracket 33, the bottom of the screw rod 32 is in threaded connection with the top of the valve 11, the top of the screw rod 32 is fixedly connected with the hand wheel 31, the middle of the screw rod 32 is in rotary connection with the bracket 33 through a bearing, the middle of the screw rod 32 is in rotary connection with the round opening in the middle of the valve cover 5 through a bearing, when a gate valve needs to be opened, a worker drives the screw rod 32 to rotate through the hand wheel 31, the screw rod 32 is limited, the upper and lower positions are unchanged, the valve 11 is driven to rise under the rotation of the screw rod 32, the valve 11 is continuously risen, when the valve 11 is completely separated from a cavity of the valve body 1, the bracket 33 enables the middle of the screw rod 32 to be additionally supported, the integral rigidity of the screw rod 32 can be effectively enhanced, damage and bending inclination caused by uneven stress of the screw rod 32 can be avoided, smooth rotation can be guaranteed, the force transmission is reliable, the service life of the screw rod 32 is prolonged, and the integral stability is improved;

Wherein: the basin has been seted up at the middle part of valve body 1, the equal fixedly connected with runner pipe 2 in the left and right sides of basin, when valve 11 breaks away from the cavity of valve body 1 completely, realize full open state, the front and back cavity realizes the intercommunication, fluid flows into valve body 1 middle part basin and convection current from runner pipe 2, thereby realize the fluid circulation, runner pipe 2 is kept away from the equal fixedly connected with ring flange 6 of one side of valve body 1, evenly distributed's about the central axis equiangular degree evenly distributed's of runner pipe 2 connecting hole 7 has all been seted up to the left and right sides of ring flange 6, the equal fixedly connected with sealing rubber circle 8 of the side that ring flange 6 kept away from valve body 1, sealing rubber circle 8 can ensure the sealing performance when gate valve and outside water source intercommunication, the connecting hole 7 on the ring flange 6 can assist gate valve and outside pipeline intercommunication, easy to assemble.

The working principle of the gate valve convenient to disassemble is as follows: when the gate valve is installed, after the gate opening and closing assembly 3, the valve cover 5 and the connecting seat 10 are connected, then a worker inserts the valve cover 5 and the valve seat 9 together through the limiting column 41, at the moment, the bottom end of the pinch plate 44 is positioned at the lower side of the valve seat 9, the worker twists the knob 12 to drive the synchronous pulley 42 at the front side to rotate, the synchronous pulley 42 at the front side drives the three synchronous pulleys 42 and the three threaded columns 43 to synchronously rotate through the synchronous belt, the three threaded columns 43 synchronously rotate, the pinch plate 44 can upwards displace under the limiting action of the threaded columns 43 until the bottom of the pinch plate 44 is tightly attached to the bottom wall of the valve seat 9, the valve opening and closing assembly 3, the connecting assembly 4 and the valve body 1 can be quickly disassembled and assembled, the maintenance is convenient, the sealing rubber ring 8 can ensure the sealing performance when the gate valve is communicated with an external water source, the connecting hole 7 on the flange plate 6 can assist the gate valve to be communicated with an external pipeline, under the gate valve closing state, the valve 11 is positioned in a chute in the valve body 1, a front cavity and a rear cavity of the valve body 1 are separated, the closing state is realized, when the gate valve needs to be opened, a worker drives the connection to rotate at the screw rod 32 through the hand wheel 31, the valve cover 9 and the connecting seat 10 realize stable limiting of the upper and lower positions of the screw rod 32, the position of the screw rod 32 in the horizontal direction is kept unchanged, the screw rod 32 is limited, the valve 11 is driven to rise under the rotation of the screw rod 32 at the moment, the valve 11 continuously rises, when the valve 11 is completely separated from the cavity of the valve body 1, the full-opening state is realized, the bracket 33 enables the middle part of the screw rod 32 to be additionally supported, the integral rigidity of the screw rod 32 can be effectively enhanced, and the rotation smoothness is ensured.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. The utility model provides a dismantle convenient gate valve which characterized in that: comprises a valve body (1) and a valve opening and closing assembly (3);

Valve body (1): the front and rear inner walls of the valve body are provided with sliding grooves which are in sliding connection with the same valve (11), the upper end of the valve body (1) is fixedly connected with a valve seat (9), and the valve seat (9) is connected with a valve cover (5) through a connecting component (4);

Valve opening and closing assembly (3): the bottom of the valve is in threaded connection with the upper end of the valve (11), and the valve opening and closing assembly (3) is in rotary connection with a round opening in the middle of the valve cover (5);

wherein: the middle part of valve body (1) has seted up the basin, and the left and right sides of basin is all fixedly connected with runner pipe (2).

2. A gate valve of the type convenient to disassemble as defined in claim 1, wherein: the valve opening and closing assembly (3) comprises a hand wheel (31), a screw rod (32) and a support (33), wherein the bottom of the screw rod (32) is in threaded connection with the top of the valve (11), the top of the screw rod (32) is fixedly connected with the hand wheel (31), the middle of the screw rod (32) is rotatably connected with the support (33) through a bearing, and the middle of the screw rod (32) is rotatably connected with a round opening in the middle of the valve cover (5) through a bearing.

3. A gate valve of the type convenient to disassemble as defined in claim 1, wherein: coupling assembling (4) are including spacing post (41), synchronous pulley (42), screw thread post (43) and buckle (44), the bottom fixedly connected with of valve gap (5) is three around the equal angle evenly distributed's of the central axis spacing post (41) of valve gap (5), spacing post (41) all peg graft with the top of disk seat (9), the top of valve gap (5) is connected with screw thread post (43) around the equal angle evenly distributed of the central axis of valve gap (5) through the bearing rotation, the equal fixedly connected with synchronous pulley (42) in top of screw thread post (43), and three synchronous pulley (42) are connected through the hold-in range transmission, equal threaded connection in middle part of screw thread post (43) has same buckle (44), the bottom of buckle (44) is laminated with the diapire of disk seat (9).

4. A gate valve of the type convenient to disassemble as claimed in claim 3, wherein: the device also comprises a knob (12), wherein the bottom of the knob (12) is fixedly connected with the top of the front synchronous pulley (42).

5. A gate valve of the type convenient to disassemble as defined in claim 2, wherein: the top fixedly connected with connecting seat (10) of valve gap (5), the surface and the support (33) fixed connection of connecting seat (10), the middle part of connecting seat (10) is passed through the bearing and is connected with lead screw (32) rotation.

6. A gate valve of the type convenient to disassemble as defined in claim 1, wherein: one side of the flow pipe (2) far away from the valve body (1) is fixedly connected with a flange plate (6), and connecting holes (7) uniformly distributed around the central axis of the flow pipe (2) in equal angles are formed in the left side and the right side of the flange plate (6).

7. The gate valve of claim 6, wherein said gate valve is removable and easy to install and remove: the side surfaces of the flange plate (6) far away from the valve body (1) are fixedly connected with sealing rubber rings (8).