CN210623744U

CN210623744U - Pneumatic valve with automatic valve locking function

Info

Publication number: CN210623744U
Application number: CN201921483863.3U
Authority: CN
Inventors: 吴妲
Original assignee: Shanghai Flowx Valve Co ltd
Current assignee: Shanghai Flowx Valve Co ltd
Priority date: 2019-09-08
Filing date: 2019-09-08
Publication date: 2020-05-26
Anticipated expiration: 2029-09-08

Abstract

The utility model provides an automatic valve lock type pneumatic valve, which comprises a sliding block, a clamping block, a main shaft and a side gear; the main shaft penetrates through the middle of the cylinder and is sleeved in the cylinder, and the main shaft penetrating through the cylinder and the piston teeth sleeved in the cylinder are meshed and connected with each other in a gear transmission mode; the lower end of the cylinder is provided with a fixed frame, and the lowest end of the fixed frame is sleeved on the main shaft; the clamping block is sleeved at the lowest end of the fixing frame through a fixing block at the lower end of the clamping block, and a spring is arranged between the clamping block and the fixing frame; the sliding groove on the sliding block is sleeved on the sliding strip at the lower end of the air cylinder, and the inclined plane at the lower end of the sliding groove is arranged in a tangent mode with the roller surface. The lower end face of the side gear and the upper end face of the clamping block are both provided with single teeth, the side gear is fixed on the main shaft, and the clamping block clamps the side gear through a spring in a general state, so that the clamping block clamps the main shaft to enable the cylinder to form a self-locking state.

Description

Pneumatic valve with automatic valve locking function

Technical Field

The utility model belongs to the technical field of the valve, more specifically say, in particular to pneumatic valve of automatic valve locking-type.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, stopping, throttling, non-return, diversion or overflow pressure relief and the like. Valves for fluid control range from the simplest cut-off valves to the most complicated valves used in autonomous systems, of a wide variety of varieties and specifications, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic, hydraulic, electro-hydraulic, pneumatic-hydraulic, spur and bevel gear drives, etc.; the valve can act according to a preset requirement under the action of pressure, temperature or other forms of sensing signals, or can be simply opened or closed without depending on the sensing signals, the valve can make the opening and closing part do lifting, sliding, swinging or rotating motion by depending on a driving or automatic mechanism, so that the size of the flow passage area of the valve is changed to realize the control function of the valve, wherein, the common equipment has more occasions for using the pneumatic valve, but the air leakage can occur when some pneumatic valves are used, and the valve is closed outwards due to unexpected phenomena such as air leakage and the like, thereby causing certain loss on pipeline transportation.

Based on the above, the pneumatic valves are used in common equipment in many occasions, but some pneumatic valves can leak gas when in use, and unexpected phenomena such as the valve is closed to be dead, and certain loss is caused to pipeline transportation, so that the pneumatic valve is additionally provided with the fixing device, the pneumatic valve is locked to keep a locking state all the time, the phenomenon of automatic closing of the valve when the pneumatic valve leaks gas is prevented, and the safety of the pneumatic valve is ensured,

Therefore, in view of the above, the present invention provides a pneumatic valve with an automatic valve lock, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic locking-type pneumatic valve of valve to solve current valve automatic locking function singleness, take place to leak gas, wait unexpected phenomenon to lead to the valve to close dead problem for outer.

The utility model discloses purpose and efficiency of pneumatic valve of automatic valve locking-type are reached by following specific technological means:

a pneumatic valve with an automatic valve lock comprises a sliding block, a clamping block, a main shaft and a side gear; the method is characterized in that: the main shaft penetrates through the middle of the cylinder and is sleeved in the cylinder, and the main shaft penetrating through the cylinder and the piston teeth sleeved in the cylinder are meshed and connected with each other in a gear transmission mode; the lower end of the cylinder is provided with a fixed frame, and the lowest end of the fixed frame is sleeved on the main shaft; the clamping block is sleeved at the lowest end of the fixing frame through a fixing block at the lower end of the clamping block, and a spring is arranged between the clamping block and the fixing frame; the sliding chute on the sliding block is sleeved on the sliding strip at the lower end of the air cylinder, and the inclined plane at the lower end of the sliding chute is arranged in a tangent manner with the roller surface; the side gear is sleeved on the main shaft and clings to the outer wall of the bottom surface of the air cylinder, and one end of the side gear is provided with a fastening hole.

Furthermore, the lower end face of the integral cylinder of the device is provided with a fixing frame, the whole fixing frame arranged at the lower end of the cylinder is designed into a rectangular frame, the fixing frame is arranged in the middle of the cylinder, and the cylinder and the fixing frame are communicated and penetrated by the main shaft.

Furthermore, be provided with the square groove that can cup joint under the chucking piece fixed block on the lower terminal surface of mount, and fixed block and square groove all are provided with relative two departments.

Furthermore, the sliding groove of the sliding block is sleeved on the sliding strip arranged on the lower end face of the air cylinder, the sliding block is integrally designed in a U shape, and the sliding groove is arranged on the upper end face of the U-shaped head.

Furthermore, the lower end of the sliding groove at the U-shaped head is designed to be an inclined plane, the roller arranged at the upper end of the clamping block can be tangent to the inclined plane of the sliding block, and the roller and the inclined plane are designed to be opposite.

Furthermore, a helical gear is sleeved on the main shaft tightly attached to the lower end face of the air cylinder, the helical gear is fixed on the main shaft through a fastening hole on one side by a jackscrew, and the lower end face of the helical gear is provided with a single tooth capable of being mutually clamped with the clamping block.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of mount, the mount is installed at the cylinder low-end department, and the whole one-tenth rectangle of mount, the mount can further be fixed with the main shaft that passes the cylinder, and is provided with a chucking piece in the lower extreme upside department of mount, and the fixed block that the mount cup jointed the department each other with the chucking piece all sets up to two with square groove, and the fixed block that cup joints each other in two can further strengthen the stability between chucking piece and the mount with square groove.

The setting of chucking piece is provided with a spring between chucking piece and mount, and the spring can make the chucking piece chucking that makes progress, and the upper end department of chucking piece is for cup jointing with main epaxial side gear, and the lower terminal surface of side gear all is provided with the individual term tooth with the up end of chucking piece, and the side gear is for fixing the design at the main shaft, and the chucking piece passes through the spring with the side gear chucking under general state to play chucking piece chucking main shaft and make the state that the cylinder formed the auto-lock.

The setting of slider, the design of the whole U-shaped that becomes of slider, the overhead spout of seting up of U-shaped at slider both ends cup joints and slides under the cylinder on the terminal surface draw runner, both sides at the chucking piece are leaned on upper end department and are provided with two gyro wheels, and the lower terminal surface of slider department spout is provided with the inclined plane, the gyro wheel of chucking piece can be tangent with the inclined plane of slider department, when the slider is the slip action of inwards pressing, can be through under the inclined plane of slider and the gyro wheel cooperation of chucking piece, push down the chucking piece, make the single tooth of chucking piece not at the epaxial side gear of chucking, let the main shaft kick-back to the original position under the effect of cylinder.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the installation structure of the present invention.

Fig. 3 is a schematic structural diagram of the clamping block of the present invention.

Fig. 4 is a schematic view of the slider mounting structure of the present invention.

Fig. 5 is a schematic diagram of the internal structure of the device of the present invention.

Fig. 6 is a schematic diagram of a partially enlarged structure at a.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a cylinder; 101. a piston tooth; 102. a fixed mount; 2. a slider; 201. a chute; 202. a bevel; 3. a clamping block; 301. a spring; 302. a roller; 303. a fixed block; 4. a main shaft; 5. a side gear; 501. a fastening hole;

Detailed Description

Example (b):

as shown in figures 1 to 6:

the utility model provides an automatic valve lock type pneumatic valve, which comprises a main shaft 4; the method is characterized in that: the main shaft 4 penetrates through the middle of the cylinder 1 and is sleeved in the cylinder 1, and the main shaft 4 penetrating through the cylinder 1 and the piston teeth 101 sleeved in the cylinder are meshed and connected with each other in a gear transmission mode; the lower end of the cylinder 1 is provided with a fixed frame 102, and the lowest end of the fixed frame 102 is sleeved on the main shaft 4; the clamping block 3 is sleeved at the lowest end of the fixing frame 102 through a fixing block 303 at the lower end of the clamping block, and a spring 301 is arranged between the clamping block 3 and the fixing frame 102; the sliding groove 201 on the sliding block 2 is sleeved on a sliding strip at the lower end of the air cylinder 1, and the inclined surface 202 at the lower end of the sliding groove 201 is arranged in a tangent manner with the surface of the roller 302 arranged on one side of the clamping block 3; the side gear 5 is sleeved on the main shaft 4 and is tightly attached to the outer wall of the bottom surface of the cylinder 1, and one end of the side gear 5 is provided with a fastening hole 501.

The lower end face of the integral cylinder 1 of the device is provided with a fixing frame 102, the whole fixing frame 102 arranged at the lower end of the cylinder 1 is designed to be a rectangular frame, the fixing frame 102 is arranged in the middle of the cylinder 1, the cylinder 1 and the fixing frame 102 are communicated and penetrated by the spindle 4, and the fixing frame 102 can further fix the spindle 4 penetrating through the cylinder 1.

Wherein, be provided with the square groove that can cup joint clamping block 3 lower fixed block 303 on the lower terminal surface of mount 102, and fixed block 303 all is provided with relative two departments with square groove, and the fixed block 303 and the square groove that cup joint each other in two departments can further strengthen the stability between clamping block 3 and the mount 102.

Wherein, the spout 201 of slider 2 cup joints on the draw runner that terminal surface department set up under cylinder 1, and slider 2's whole is the design of U-shaped, and spout 201 is the up end of setting at U type head, because main shaft 4 is for passing the setting of cylinder 1 with mount 102, and the slider 2 of U-shaped design can effectually avoid main shaft 4, makes the spout 201 of slider 2 can directly slide on cylinder 1.

Wherein, and the spout 201 lower extreme of U-shaped head department is the design of inclined plane 202 to the gyro wheel 302 that chucking piece 3 upper end department set up can be tangent with the inclined plane 202 of slider 2, and gyro wheel 302 all sets up to two relative designs with inclined plane 202, because of the design of slider 2's whole one-tenth U word shape, thereby spout 201 is mutual two with inclined plane 202, and the setting of two can let slider 2's slip action more stable.

Wherein, a helical gear 5 is sleeved on the main shaft 4 tightly attached to the lower end face of the cylinder 1, the helical gear 5 is fixed on the main shaft 4 through a fastening hole 501 on one side by a jackscrew, the lower end face of the helical gear 5 is provided with a single tooth 5 capable of being mutually clamped with the clamping block 3, the clamping block 3 clamps the side gear 5 on the main shaft 4 under the action of a spring 301, the clamping block 3 and the side gear 5 are arranged in a single tooth manner, the main shaft 4 can only move in a single direction, and the cylinder 1 has a self-locking function after the valve is opened.

The specific use mode and function of the embodiment are as follows:

in the utility model, the fixing frame is arranged, the fixing frame 102 is arranged at the lower end of the cylinder 1, the fixing frame 102 is integrally rectangular, the fixing frame 102 can further fix the spindle 4 passing through the cylinder 1, the upper side of the lower end of the fixing frame 102 is provided with a clamping block 3, the fixing block 303 and the square groove at the mutual sleeved part of the fixing frame 102 and the clamping block 3 are arranged at two positions, the fixing block 303 and the square groove at the mutual sleeved part of the two positions can further enhance the stability between the clamping block 3 and the fixing frame 102, a spring 301 is arranged between the clamping block 3 and the fixing frame 102, the spring 301 can clamp the clamping block 3 upwards, the upper end of the clamping block 3 is provided with the side gear 5 sleeved on the spindle 4, the lower end surface of the side gear 5 and the upper end surface of the clamping block 3 are both provided with single teeth, the side gear 5 is designed to be fixed on the spindle 4, the clamping block 3 clamps the side gear 5 through the spring 301 in a general state, therefore, the clamping block 3 clamps the main shaft 4 to enable the cylinder 1 to form a self-locking state, the slider 2 is designed into a U shape integrally, the sliding grooves 201 formed in the U-shaped heads at the two ends of the slider 2 are sleeved on the sliding strip on the lower end face of the cylinder 1 to slide, two idler wheels 302 are arranged at the positions, close to the upper end, of the two sides of the clamping block 3, the lower end face of the sliding groove 201 at the slider 2 is provided with the inclined face 202, the idler wheels 302 of the clamping block 3 can be tangent to the inclined face 202 at the slider 2, when the slider 2 performs inward-pressure sliding motion, the clamping block 3 can be pressed down through the cooperation of the inclined face 202 of the slider 2 and the idler wheels 302 of the clamping block 3, so that a single tooth of the clamping block 3 is not arranged on the side gear 5 on the clamping main shaft 4, and the main shaft 4 rebounds to the original.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A pneumatic valve with an automatic valve lock comprises a sliding block (2), a clamping block (3), a main shaft (4) and a side gear (5); the method is characterized in that: the main shaft (4) penetrates through the middle of the cylinder (1) and is sleeved inside the cylinder (1), and the main shaft (4) penetrating through the cylinder (1) is meshed and connected with the piston teeth (101) sleeved in the cylinder in a gear transmission mode; the lower end of the cylinder (1) is provided with a fixed frame (102), and the lowest end of the fixed frame (102) is sleeved on the main shaft (4); the clamping block (3) is sleeved at the lowest end of the fixing frame (102) through a fixing block (303) at the lower end of the clamping block, and a spring (301) is arranged between the clamping block (3) and the fixing frame (102); a sliding groove (201) on the sliding block (2) is sleeved on a sliding strip at the lower end of the air cylinder (1), and an inclined plane (202) at the lower end of the sliding groove (201) is arranged in a tangent manner with the surface of the roller (302); the side gear (5) is sleeved on the main shaft (4) and tightly attached to the outer wall of the bottom surface of the air cylinder (1), and one end of the side gear (5) is provided with a fastening hole (501).

2. An automatic valve-lock, pneumatically actuated valve as claimed in claim 1, wherein: the lower end face of the integral cylinder (1) of the device is provided with a fixing frame (102), the whole fixing frame (102) arranged at the lower end of the cylinder (1) is designed into a rectangular frame, the fixing frame (102) is arranged in the middle of the cylinder (1), and the cylinder (1) and the fixing frame (102) are communicated and penetrated through by the spindle (4).

3. An automatic valve-lock, pneumatically actuated valve as claimed in claim 1, wherein: the bottom end face of the fixing frame (102) is provided with a square groove capable of being sleeved with the lower fixing block (303) of the clamping block (3), and the fixing block (303) and the square groove are provided with two opposite positions.

4. An automatic valve-lock, pneumatically actuated valve as claimed in claim 1, wherein: the sliding groove (201) of the sliding block (2) is sleeved on a sliding strip arranged on the lower end face of the air cylinder (1), the sliding block (2) is integrally in a U-shaped design, and the sliding groove (201) is arranged on the upper end face of the U-shaped head.

5. An automatic valve-lock, pneumatically actuated valve as claimed in claim 1, wherein: the lower end of the sliding groove (201) at the U-shaped head is designed to be an inclined plane (202), the roller (302) arranged at the upper end of the clamping block (3) can be tangent to the inclined plane (202) of the sliding block (2), and the roller (302) and the inclined plane (202) are designed to be opposite.

6. An automatic valve-lock, pneumatically actuated valve as claimed in claim 1, wherein: the main shaft (4) tightly attached to the lower end face of the air cylinder (1) is sleeved with a helical gear (5), the helical gear (5) is fixed on the main shaft (4) through a fastening hole (501) on one side by a jackscrew, and the lower end face of the helical gear (5) is provided with a single tooth (5) capable of being mutually clamped with the clamping block (3).