CN212564584U

CN212564584U - High-strength gate valve

Info

Publication number: CN212564584U
Application number: CN202021460558.5U
Authority: CN
Inventors: 王伦万
Original assignee: Hebei Aikusi Valve Co ltd
Current assignee: Hebei Aikusi Valve Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-02-19
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a high strength gate valve, including the gate valve main part, the both ends of gate valve main part are provided with the mounting panel, be provided with the screw on the mounting panel, the lower terminal surface of gate valve is provided with the pressure relief pipe, the upper end of pressure relief pipe is provided with first through-hole, be provided with the piston in the pressure relief pipe, the lower extreme of pressure relief pipe is provided with second through-hole and closing cap, the lower extreme outward flange of pressure relief pipe is provided with the external screw thread, the inward flange of closing cap is provided with the internal thread, pressure relief pipe and closing cap pass through internal thread and external screw-thread fit threaded connection, the side of pressure relief pipe is provided with the bin outlet, the inside floodgate core that is provided with of gate valve main part, the. The utility model discloses an add holding rod and protecting crust, greatly reduced the required dynamics of switch gate valve and effectively prevented the scald, through adding the pressure release pipe, when the jar internal pressure is too big, arrange the material pressure release by oneself, greatly increased fermentation equipment's security.

Description

High-strength gate valve

Technical Field

The utility model belongs to the technical field of the gate valve, specifically be a high strength gate valve.

Background

High temperature and high pressure can be usually generated in the fermentation process of a fermentation tank in the field of medical biology, the service life of a traditional gate valve is often too short due to high-pressure impact, and the traditional gate valve is easily scalded by a handle due to high temperature when the gate valve is opened or closed.

The utility model discloses a high strength gate valve in grant notice No. CN209511162U, it includes the disk seat, the upper end welding of disk seat has the casing, the upper end of casing covers there is sealed lid, the lower extreme welding of sealed lid has the sealing plug, the inside embedding of sealing plug has the thread bush, the inside embedding of sealed lid has first seal cover, the inboard threaded connection of thread bush has the threaded rod, the inboard of connecting first seal cover is rotated on the surface of threaded rod, the upper end fixedly connected with handle of threaded rod, the lower extreme fixedly connected with case of threaded rod, the surface slip of case cup joints the inboard of casing, the inside lower extreme intermediate position of disk seat is equipped with the seal groove.

According to the rigid strength gate valve disclosed above, after the gate valve handle conducts heat at high temperature for a long time, hands can be scalded in the opening and closing processes of the gate valve, and when the pressure in the fermentation tank is too high, safety accidents are easy to happen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength gate valve to solve among the prior art gate valve handle scald one's hand easily, the gate valve does not have pressure relief device's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength gate valve, includes the gate valve main part, the both ends of gate valve main part are provided with the mounting panel, be provided with the screw on the mounting panel, the lower terminal surface of gate valve main part is provided with the pressure relief pipe, the upper end of pressure relief pipe is provided with first through-hole, be provided with the piston in the pressure relief pipe, the lower extreme of pressure relief pipe is provided with second through-hole and closing cap, the lower extreme outward flange of pressure relief pipe is provided with the external screw thread, the inward flange of closing cap is provided with the internal thread, pressure relief pipe and closing cap pass through internal thread and external screw-thread fit threaded connection, the side of pressure relief pipe is provided with the bin outlet, the inside floodgate core that is provided with of gate valve main part, the upper end of floodgate core is.

Preferably, the pressure release pipe is the nonrust steel pipe of T style of calligraphy tee bend, and the pressure release pipe adopts stainless steel construction to guarantee also can not rust for long-time the use, does not influence the fermentation quality and has promoted equipment life.

Preferably, be provided with the spring between piston and the pressure release pipe, the piston passes the second through-hole and passes through spring elastic connection with the pressure release pipe, according to the pressure that receives of spring balanced can know with elasticity, the length of spring is multiplied the coefficient of stiffness and is equaled pressure, produce the gate valve of different pressure specifications through the spring of the different coefficient of stiffness of change, prevent that the jar body is impaired when fermentation tank pressure is too high, open the closing cap, the jar internal pressure is with material extrusion impact piston, the extrusion spring, when the up end of piston is less than the up end of bin outlet, the material is by first through-hole outwards arrange the material pressure release through the bin outlet.

Preferably, the handle is the nonrust steel pipe of L type, and longer end is connected with the holding rod, and longer handle greatly increased the arm of force when opening and shutting the gate valve, reduced the required strength of opening and shutting the gate valve.

Preferably, the side of the handle is provided with a groove, a third through hole is formed in the groove, a fourth through hole is formed in the holding rod, the holding rod and the handle penetrate through the third through hole and the fourth through hole through bolts to be connected in a rotating mode, and the holding rod and the handle are connected in a rotating mode so that the gate valve can find a proper force-exerting angle when the gate valve is turned on and off conveniently.

Preferably, the upper end of holding rod is provided with the external screw thread, the protecting crust is the drum of wood material, and the holding rod passes protecting crust cooperation nut threaded connection, and the wood protecting crust is high temperature resistant and not heat conduction, durable and scald preventing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an add holding rod and protecting crust, effectively prevented the scald, through adding the pressure release pipe, when the jar internal pressure was too big, arrange the material pressure release by oneself, greatly increased fermentation equipment's security.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is a partial side cross-sectional view of the handle and grip of the present invention.

In the figure: the gate valve comprises a gate valve body 1, a mounting plate 11, a pressure relief pipe 2, a first through hole 21, a second through hole 22, a discharge port 23, a piston 24, a sealing cover 25, a gate core 3, a handle 31, a holding rod 32, a protective shell 33, a third through hole 311 and a fourth through hole 321.

Detailed Description

Referring to fig. 1, a high-strength gate valve comprises a gate valve body 1, wherein mounting plates 11 are arranged at two ends of the gate valve body 1, screw holes are formed in the mounting plates 11, a pressure relief pipe 2 is welded to the lower end face of the gate valve body 1, a first through hole 21 is formed in the upper end of the pressure relief pipe 2, a second through hole 22 and a sealing cover 25 are formed in the lower end of the pressure relief pipe 2, when the gate valve is used on a high-pressure fermentation device needing protection, the sealing cover 25 is opened for high-pressure protection, when the gate valve is used on a normal-pressure fermentation device needing no protection, the sealing cover 25 is closed, external threads are formed in the outer edge of the lower end of the pressure relief pipe 2, internal threads are formed in the inner edge of the sealing cover 25, the pressure relief pipe 2 and the sealing cover 25 are in threaded connection through matching with the internal threads, a discharge port 23 is formed, the side of handle 31 passes through the bolt and installs holding rod 32, and the outer pot head of holding rod 32 is equipped with protecting crust 33, and handle 31 is the stainless steel pipe of L type, and longer end is connected with holding rod 32, and the arm of force when longer handle 31 greatly increased the switch gate valve has reduced the required strength of switch gate valve.

Referring to fig. 2, the pressure release pipe 2 is a T-shaped three-way stainless steel pipe, the pressure release pipe 2 is made of a stainless steel structure to ensure that the pressure release pipe is not rusted even after long-term use, fermentation quality is not affected, and the service life of the equipment is prolonged, a spring is installed between the piston 24 and the pressure release pipe 2, the piston 24 penetrates through the second through hole 22 and is elastically connected with the pressure release pipe 2 through the spring, when the pressure of the fermentation tank is too high to prevent the tank from being damaged, the sealing cover 25 is opened, the pressure in the tank impacts the piston 24 to extrude the spring, and when the upper end face of the piston 24 is lower than the upper end face of the discharge port 23.

Referring to fig. 3, a groove is formed in the side surface of the handle 31, a third through hole 311 is formed in the groove, a fourth through hole 321 is formed in the holding rod 32, the holding rod 32 and the handle 31 penetrate through the third through hole 311 and the fourth through hole 321 through bolts to be rotatably connected, the holding rod 32 and the handle 31 are rotatably connected to enable a user to find a proper force angle when the user is switched on or switched off, external threads are formed in the upper end of the holding rod 32, the protective shell 33 is a cylinder made of solid wood, the holding rod 32 penetrates through the protective shell 33 to be matched with a nut in threaded connection, and the solid wood protective shell 33 is high-temperature resistant, does not conduct heat, and.

The working principle of the scheme is as follows: the utility model discloses when using, install in the pipeline through 11 cooperation bolts of mounting panel, when using on the ordinary pressure equipment, with closing cap 25 lid in the second through-hole 22 department of pressure release pipe 2, prevent the activity of piston 24, when using on high-tension apparatus, open closing cap 25 for protective apparatus, connect the bin outlet 23 and arrange the pipeline, when jar internal pressure is too big, material extrusion piston 24, treat that pressure is big to the material and is less than the lower terminal surface of bin outlet 23 with the up end pressure of piston 24, the material outwards gets rid of in the jar, carry out the pressure release protection, when needing the switch gate valve, the hand is held the protecting crust 33 of holding rod 32 outer end, it is rotatory to the angle that is fit for the power along fourth through-hole 321 rotation, accomplish the switch of gate valve.

The utility model discloses an add holding rod 32 and protecting crust 33, greatly reduced the required dynamics of switch gate valve and effectively prevented the scald, through adding pressure release pipe 2, when the jar internal pressure is too big, arrange the material pressure release by oneself, greatly increased fermentation equipment's security.

Claims

1. The utility model provides a high strength gate valve, includes gate valve main part (1), its characterized in that: the gate valve is characterized in that mounting plates (11) are arranged at two ends of a gate valve main body (1), screw holes are formed in the mounting plates (11), a pressure relief pipe (2) is arranged on the lower end face of the gate valve main body (1), a first through hole (21) is formed in the upper end of the pressure relief pipe (2), a piston (24) is arranged in the pressure relief pipe (2), a second through hole (22) and a sealing cover (25) are arranged at the lower end of the pressure relief pipe (2), external threads are arranged on the outer edge of the lower end of the pressure relief pipe (2), internal threads are arranged on the inner edge of the sealing cover (25), the pressure relief pipe (2) is in threaded connection with the sealing cover (25) through matching of the internal threads and the external threads, a discharge hole (23) is formed in the side face of the pressure relief pipe (2), a gate core (3) is arranged inside the gate valve main, a holding rod (32) is arranged at the side end of the handle (31), and a protective shell (33) is arranged at the outer end of the holding rod (32).

2. A high strength gate valve according to claim 1, wherein: the pressure relief pipe (2) is a T-shaped three-way stainless steel pipe.

3. A high strength gate valve according to claim 1, wherein: a spring is arranged between the piston (24) and the pressure relief pipe (2), and the piston (24) penetrates through the second through hole (22) and is elastically connected with the pressure relief pipe (2) through the spring.

4. A high strength gate valve according to claim 1, wherein: the handle (31) is an L-shaped stainless steel pipe, and the longer end of the handle is connected with the holding rod (32).

5. A high strength gate valve according to claim 1, wherein: the side of handle (31) is provided with the recess, be provided with third through-hole (311) in the recess, be provided with fourth through-hole (321) on holding rod (32), holding rod (32) and handle (31) pass through third through-hole (311) and fourth through-hole (321) through the bolt and rotate and be connected.

6. A high strength gate valve according to claim 1, wherein: the upper end of holding rod (32) is provided with the external screw thread, protecting crust (33) are the drum of wood material, and holding rod (32) pass protecting crust (33) cooperation nut threaded connection.