CN216715392U

CN216715392U - Positioning mechanism for pneumatic control valve

Info

Publication number: CN216715392U
Application number: CN202220090340.8U
Authority: CN
Inventors: 卓天宝; 卓金德
Original assignee: Zhejiang Kaiwei Intelligent Automatic Control System Co ltd
Current assignee: Hangzhou Kaiwei Valve Group Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-10
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a positioning mechanism for a pneumatic control valve, which comprises a fixed plate, wherein an installation plate is arranged on the front side of the fixed plate, a dismounting mechanism is arranged between the fixed plate and the installation plate, the dismounting mechanism comprises a first connecting groove formed in the rear end of the installation plate, a connecting block is fixedly connected to the position, close to the first connecting groove, of the front end of the fixed plate, a first installation groove is formed in the connecting block, a threaded rod is arranged in the connecting block, a knob is fixedly connected to the upper end of the threaded rod, and a movable groove is formed in the position, close to the threaded rod, of the upper side of the installation plate. According to the positioning mechanism for the pneumatic control valve, the knob is rotated forwards and backwards, so that the clamping block is clamped into or separated from the clamping groove, the fixing plate and the mounting plate are mounted and dismounted, the positioner is mounted and dismounted more quickly and conveniently, and later replacement and maintenance are facilitated.

Description

Positioning mechanism for pneumatic control valve

Technical Field

The utility model relates to the technical field of positioning mechanisms for starting control valves, in particular to a positioning mechanism for a pneumatic control valve.

Background

The positioning mechanism for the pneumatic control valve is the positioner of the control valve, and the pneumatic valve positioner is one of the important accessories and fittings of the pneumatic regulating valve. The pneumatic valve positioner and the pneumatic actuating mechanism jointly form an automatic control unit, are connected with various regulating valves and are combined into a pneumatic regulating valve after being debugged and installed, and the pneumatic regulating valve positioner and the pneumatic actuating mechanism are used in the field of control of various industrial automation processes; most of the conventional positioners are disassembled from the fixed nuts through tools when being replaced and maintained in the later period, the nuts rust easily for a long time, and the conventional positioners are more complicated in disassembly, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a positioning mechanism for a pneumatic control valve, which can effectively solve the problems in the background technology.

In order to realize the purpose, the utility model adopts the technical scheme that:

a positioning mechanism for a pneumatic control valve comprises a fixing plate, wherein a mounting plate is arranged on the front side of the fixing plate, a dismounting mechanism is arranged between the fixing plate and the mounting plate and comprises a first connecting groove formed in the rear end of the mounting plate, a connecting block is fixedly connected to the position, close to the first connecting groove, of the front end of the fixing plate, a first mounting groove is formed in the connecting block, a threaded rod is arranged in the connecting block, a knob is fixedly connected to the upper end of the threaded rod, a movable groove is formed in the position, close to the threaded rod, of the upper side of the mounting plate, two groups of trapezoidal blocks are sleeved on the outer side of the threaded rod, clamping blocks are arranged in the positions, close to the clamping blocks, of the inner walls of the two sides of the first connecting groove respectively, clamping grooves are formed in the positions, close to the clamping blocks, of the upper ends and the lower ends of the clamping blocks are fixedly connected with fixing blocks, the inside of connecting block has been seted up the second spread groove near the position of fixed block, fixedly connected with first spring between one end of fixed block and the one side inner wall of second spread groove.

Preferably, the connecting block and the first connecting groove are matched, the threaded rod and the connecting block are movably connected, and the upper side position of the threaded rod is matched with the movable groove.

Preferably, the trapezoidal block is in threaded connection with the threaded rod, the clamping block penetrates through the two sides of the connecting block, and the clamping block is movably connected with the connecting block.

Preferably, the contact surface of the fixture block and the trapezoidal block is an inclined surface, the fixture block is matched with the clamping groove, and the fixing block is matched with the second connecting groove.

Preferably, the inside second mounting groove that has all been seted up in both sides of mounting panel, the inside of second mounting groove is provided with square pole, fixedly connected with second spring between the front side inner wall of square pole and second mounting groove, two sets of fixed round holes have been seted up respectively to the both sides of mounting panel, five groups of installing ports have all been seted up to the inside both sides of fixed plate.

Preferably, the square rod is movably connected with the second mounting groove, and the square rod is matched with the second mounting groove.

Preferably, the number of the second springs is four, and the fixing round holes are located at the corners of the mounting plate.

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

1. through the knob that just reverses, make the fixture block card go into or leave the inside of draw-in groove, realize the installation and the dismantlement to fixed plate and mounting panel to the installation that makes the locator can make things convenient for more fast with the dismantlement, makes things convenient for the change and the maintenance of later stage to the locator.

2. The fixing plate and the pneumatic control valve are fixed through the mounting port, the mounting plate is fixed with the positioner through the fixing round hole, the fixing plate and the mounting plate are mounted through the dismounting mechanism, the square rod can be pushed during mounting, the second spring is compressed, and the elasticity of the second spring has certain energy absorption and shock absorption capacity, so that the influence of impact force on the positioner is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a positioning mechanism for a pneumatic control valve according to the present invention;

FIG. 2 is a schematic view of a positioning mechanism for a pneumatic control valve according to the present invention, partially cut away from the back;

FIG. 3 is a schematic view of a positioning mechanism for a pneumatic control valve according to the present invention, which is partially cut away;

FIG. 4 is a partially sectioned structural diagram of a dismounting mechanism of the positioning mechanism for the pneumatic control valve according to the present invention;

fig. 5 is an enlarged schematic view of a part a of the positioning mechanism for a pneumatic control valve according to the present invention.

In the figure: 1. a fixing plate; 2. mounting a plate; 3. a disassembly mechanism; 31. a first connecting groove; 32. connecting blocks; 33. a first mounting groove; 34. a threaded rod; 35. a knob; 36. a movable groove; 37. a trapezoidal block; 38. a clamping block; 39. a card slot; 310. a fixed block; 311. a second connecting groove; 312. a first spring; 4. a second mounting groove; 5. a square rod; 6. a second spring; 7. fixing the round hole; 8. and (7) installing the opening.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

as shown in fig. 1-5, a positioning mechanism for a pneumatic control valve comprises a fixing plate 1, a mounting plate 2 is disposed on the front side of the fixing plate 1, a detaching mechanism 3 is disposed between the fixing plate 1 and the mounting plate 2, the detaching mechanism 3 comprises a first connecting groove 31 disposed at the rear end of the mounting plate 2, a connecting block 32 is fixedly connected to the front end of the fixing plate 1 at a position close to the first connecting groove 31, a first mounting groove 33 is formed in the connecting block 32, a threaded rod 34 is disposed in the connecting block 32, a knob 35 is fixedly connected to the upper end of the threaded rod 34, a movable groove 36 is formed in the upper side of the mounting plate 2 at a position close to the threaded rod 34, two sets of trapezoidal blocks 37 are sleeved on the outer side of the threaded rod 34, clamping blocks 38 are disposed in the two sides of the connecting block 32 respectively close to the two ends of the trapezoidal blocks 37, clamping grooves 39 are disposed in the two sides of the inner wall of the first connecting groove 31 respectively close to the clamping blocks 38, the upper end and the lower end of the clamping block 38 are both fixedly connected with a fixing block 310, a second connecting groove 311 is formed in the connecting block 32 at a position close to the fixing block 310, and a first spring 312 is fixedly connected between one end of the fixing block 310 and the inner wall of one side of the second connecting groove 311.

In this embodiment, the connecting block 32 is adapted to the first connecting groove 31, the threaded rod 34 is movably connected to the connecting block 32, the upper side of the threaded rod 34 is adapted to the movable groove 36, the trapezoidal block 37 is connected to the threaded rod 34 by a thread, the clamping block 38 penetrates through the two sides of the connecting block 32, the clamping block 38 is movably connected to the connecting block 32, the contact surface between the clamping block 38 and the trapezoidal block 37 is an inclined surface, the clamping block 38 is adapted to the clamping groove 39, and the fixing block 310 is adapted to the second connecting groove 311.

Specifically, the first connecting groove 31 is sleeved outside the connecting block 32, the upper side of the threaded rod 34 enters the movable groove 36, the knob 35 is rotated to drive the fixedly connected threaded rod 34 to rotate, and the rotation of the screw rod 34, the screw-coupled trapezoidal blocks 37 are moved downward inside the first mounting groove 33, thereby pushing the latch 38 disposed on the inclined surface, and at the same time, the fixed block 310 fixedly connected slides in the second connection slot 311 to compress the first spring 312, so that the latch 38 is latched in the latch slot 39, thereby realizing the fixation of the fixing plate 1 and the mounting plate 2, when in disassembly, the knob 35 is rotated reversely to lead the trapezoidal block 37 to ascend, and the latch 38 is pulled back under the action of the first spring 312, so as to realize the detachment of the fixing plate 1 from the mounting plate 2, therefore, the positioner can be mounted and dismounted more quickly and conveniently, and the positioner is convenient to replace and maintain in the later stage.

Example two:

in this embodiment, second mounting groove 4 has all been seted up inside the both sides of mounting panel 2, the inside of second mounting groove 4 is provided with square pole 5, fixedly connected with second spring 6 between the front side inner wall of square pole 5 and second mounting groove 4, two sets of fixed round hole 7 have been seted up respectively to the both sides of mounting panel 2, five groups of installing port 8 have all been seted up inside the both sides of fixed plate 1, square pole 5 is swing joint with second mounting groove 4,

square pole

5 and 4 looks adaptations of second mounting groove, the quantity of second spring 6 is four groups, fixed round hole 7 is located the corner of mounting panel 2.

Specifically, fixed plate 1 and start pneumatic control valve are fixed through installing port 8, and mounting panel 2 is fixed with the locator through fixed round hole 7, installs fixed plate 1 and mounting panel 2 through disassembly body 3 again, and can promote square pole 5 during the installation, compresses second spring 6, and the elasticity of second spring 6 possesses certain energy-absorbing shock-absorbing capacity to subduct the influence of impact force to the locator.

The working principle is as follows:

when the fixing device is used, the first connecting groove 31 is firstly sleeved on the outer side of the connecting block 32, the upper side position of the threaded rod 34 enters the inner part of the movable groove 36, the knob 35 is rotated to drive the fixedly connected threaded rod 34 to rotate, the threaded rod 34 rotates to enable the trapezoidal block 37 in threaded connection to move downwards in the first mounting groove 33, so that the clamping block 38 arranged on the inclined surface is pushed, meanwhile, the fixedly connected fixing block 310 slides in the second connecting groove 311 to compress the first spring 312, the clamping block 38 is clamped in the clamping groove 39, so that the fixing of the fixing plate 1 and the mounting plate 2 is realized, when the fixing device is disassembled, the knob 35 is rotated reversely to enable the trapezoidal block 37 to ascend, the clamping block 38 is pulled back under the action of the first spring 312, the disassembling of the fixing plate 1 and the mounting plate 2 is realized, so that the assembling and disassembling of the positioner can be more rapid and convenient, and the replacement and maintenance of the positioner in the later period are convenient, secondly fix fixed plate 1 and start pneumatic control valve through installing port 8, mounting panel 2 is fixed with the locator through fixed round hole 7, installs fixed plate 1 and mounting panel 2 through disassembly body 3 again, and can promote square pole 5 during the installation, compresses second spring 6, and the elasticity of second spring 6 possesses certain energy-absorbing shock-absorbing capacity to subduct the influence of impact force to the locator.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a positioning mechanism for pneumatic control valve, includes fixed plate (1), its characterized in that: the front side of the fixing plate (1) is provided with a mounting plate (2), a dismounting mechanism (3) is arranged between the fixing plate (1) and the mounting plate (2), the dismounting mechanism (3) comprises a first connecting groove (31) formed in the rear end of the mounting plate (2), the position, close to the first connecting groove (31), of the front end of the fixing plate (1) is fixedly connected with a connecting block (32), a first mounting groove (33) is formed in the connecting block (32), a threaded rod (34) is arranged in the connecting block (32), the upper end of the threaded rod (34) is fixedly connected with a knob (35), a movable groove (36) is formed in the position, close to the threaded rod (34), of the upper side of the mounting plate (2), two groups of trapezoidal blocks (37) are sleeved on the outer side of the threaded rod (34), and clamping blocks (38) are arranged at the two ends, close to the trapezoidal blocks (37), of the two sides of the connecting block (32), draw-in groove (39) have been seted up respectively to the both sides inner wall of first connecting groove (31) near the position of fixture block (38), the equal fixedly connected with fixed block (310) in upper and lower both ends of fixture block (38), second connecting groove (311) have been seted up to the inside position that is close to fixed block (310) of connecting block (32), first spring (312) of fixedly connected with between the one end of fixed block (310) and one side inner wall of second connecting groove (311).

2. The positioning mechanism for a pneumatic control valve according to claim 1, wherein: connecting block (32) and first connecting groove (31) looks adaptation, threaded rod (34) and connecting block (32) are swing joint, the upside position and the activity groove (36) looks adaptation of threaded rod (34).

3. The positioning mechanism for a pneumatic control valve according to claim 1, wherein: the trapezoidal block (37) is in threaded connection with the threaded rod (34), the clamping block (38) penetrates through the inner portions of the two sides of the connecting block (32), and the clamping block (38) is movably connected with the connecting block (32).

4. The positioning mechanism for the pneumatic control valve according to claim 1, wherein: the contact surface of the clamping block (38) and the trapezoidal block (37) is an inclined surface, the clamping block (38) is matched with the clamping groove (39), and the fixing block (310) is matched with the second connecting groove (311).

5. The positioning mechanism for a pneumatic control valve according to claim 1, wherein: second mounting groove (4) have all been seted up inside the both sides of mounting panel (2), the inside of second mounting groove (4) is provided with square pole (5), fixedly connected with second spring (6) between the front side inner wall of square pole (5) and second mounting groove (4), two sets of fixed round hole (7) have been seted up respectively to the both sides of mounting panel (2), five group's installing port (8) have all been seted up inside the both sides of fixed plate (1).

6. The positioning mechanism for a pneumatic control valve according to claim 5, wherein: the square rod (5) is movably connected with the second mounting groove (4), and the square rod (5) is matched with the second mounting groove (4).

7. The positioning mechanism for a pneumatic control valve according to claim 5, wherein: the number of the second springs (6) is four, and the fixing round holes (7) are located at the corners of the mounting plate (2).