Pilot-operated type electromagnetic reversing valve
Technical Field
The utility model relates to a solenoid valve technical field especially relates to a guide's formula solenoid directional valve.
Background
The pilot type electromagnetic control directional valve is an operation mode in which the main valve of the electromagnetic control directional valve is switched by the pressure of compressed air. The electromagnetic pilot change valve outputs pilot control air pressure which pushes the change valve of the main valve core to change direction.
The prior pilot-operated electromagnetic directional valve is used, the shells are mostly fixed through screws, the valve is extremely inconvenient to rapidly disassemble and repair, meanwhile, a common buckling mechanism is poor in stability, short in service life and prone to frequent disassembly and assembly, buckling parts are often abraded, and great trouble is caused to users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pilot-operated formula solenoid directional valve convenient to quick assembly disassembly combination.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a pilot-operated electromagnetic directional valve comprises an electromagnetic directional valve main body and a fixing mechanism, wherein a protective main body is fixedly arranged on the electromagnetic directional valve main body, two sides of the protective main body are fixedly connected with a first protective shell and a second protective shell through the fixing mechanism, the fixing mechanism comprises protective fixing plates which are symmetrically and slidably arranged on two sides of the protective main body, a limiting fixing rod is arranged on the protective fixing plate and correspondingly close to the central position of one side of the first protective shell, one end, correspondingly far away from the protective fixing plate, of each limiting fixing rod penetrates through the side wall of the protective main body and is fixedly connected with a fixed clamping block, a protective shrinkage groove for accommodating the fixed clamping block is formed in the inner side of the protective main body, limiting mounting grooves are symmetrically arranged on one side, correspondingly far away from the protective shrinkage groove, of each fixed clamping block, and a first clamping plate is fixedly arranged on one side of the first protective shell, a second clamping plate is fixedly mounted on one side of the second protective shell, mounting groove holes for the limiting mounting grooves to penetrate through are formed in the first clamping plate and the second clamping plate, and an expansion spring is sleeved on the outer side of the limiting fixing rod.
Preferably, a terminal is fixedly mounted on one side of the first protective shell, and a fixing nut is fixedly mounted on the terminal.
Preferably, one end of the expansion spring is fixedly connected with the limiting installation groove, and the other end of the expansion spring is fixedly connected with the fixed clamping block.
Preferably, the fixed clamping block and the limiting installation groove are welded and fixed integrally.
Preferably, the first protective shell and the first clamping plate are integrally cast, and the second protective shell and the second clamping plate are integrally cast.
Preferably, the protective fixing plate is provided with a threaded hole for screwing the limiting fixing rod, and the limiting fixing rod is fixedly connected with the fixing fixture block through a screw.
Preferably, the outer side of the fixed clamping block is fixedly provided with an anti-falling clamping block, and the fixed clamping block is connected with the protective shrinkage groove in a sliding mode through the anti-falling clamping block.
The utility model discloses possess following beneficial effect at least:
1. install the fixed establishment in the solenoid operated valve main part through the design, realized first protective housing, protection main part and second protective housing's quick installation are fixed, very big increase the functionality of device, and convenient quick assembly disassembly to the solenoid operated valve main part, utilize the design to install the spacing mounting groove on fixed fixture block simultaneously, and the installation slotted hole on first block board and second block board is seted up in the cooperation, first protective housing has been guaranteed, protection main part and second protective housing are at the stability of combination in-process.
2. Through seting up at the inboard protection shrink groove of protection main part, realized the processing of accomodating of fixed fixture block, very big assurance first block board on the first protective housing to and the inseparable laminating of second block board on the second protective housing and protection main part inner wall, guaranteed the leakproofness of device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is an overall schematic view of the present invention;
fig. 2 is a schematic sectional view of the first protective shell, the protective main body and the second protective shell of the present invention;
fig. 3 is a schematic view of a first protective housing of the present invention;
fig. 4 is a schematic sectional view of the protection body of the present invention.
In the figure: 1. a solenoid directional valve body; 2. a first protective housing; 3. a protective body; 4. a protective fixing plate; 5. a second protective housing; 6. a first engaging plate; 7. mounting a slotted hole; 8. a second engaging plate; 9. fixing the fixture block; 10. a limiting fixing rod; 11. an expansion spring; 12. a protective shrinkage groove; 13. a limiting mounting groove; 14. fixing a nut; 15. and a terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a pilot-operated electromagnetic directional valve comprises an electromagnetic directional valve body 1 and a fixing mechanism, wherein a protective body 3 is fixedly mounted on the electromagnetic directional valve body 1, and two sides of the protective body 3 are fixedly connected with a first protective shell 2 and a second protective shell 5 through the fixing mechanism, wherein the fixing mechanism comprises protective fixing plates 4 symmetrically slidably disposed on two sides of the protective body 3, a limit fixing rod 10 is mounted on the protective fixing plate 4 at a position corresponding to a central position close to one side of the first protective shell 2, one end of the limit fixing rod 10 corresponding to the position far from the protective fixing plate 4 penetrates through a side wall of the protective body 3 and is fixedly connected with a fixed fixture block 9, a protective shrinkage groove 12 for accommodating the fixed fixture block 9 is formed on the inner side of the protective body 3, and a limit mounting groove 13 is symmetrically mounted on one side of the fixed fixture block 9 corresponding to the position far from the protective shrinkage groove 12, a first clamping plate 6 is fixedly arranged on one side of the first protective shell 2, a second clamping plate 8 is fixedly arranged on one side of the second protective shell 5, the first clamping plate 6 and the second clamping plate 8 are both provided with mounting groove holes 7 for the penetration of limiting mounting grooves 13, the outside of the limiting fixing rod 10 is sleeved with an expanding spring 11, by designing the fixing mechanism arranged on the electromagnetic directional valve main body 1, the quick installation and fixation of the first protective shell 2, the protective main body 3 and the second protective shell 5 are realized, the functionality of the device is greatly increased, the quick assembly and disassembly of the electromagnetic directional valve main body 1 are convenient and fast, meanwhile, the stability of the first protective shell 2, the protective main body 3 and the second protective shell 5 in the combination process is ensured by utilizing the design of the limiting mounting groove 13 arranged on the fixed clamping block 9 and the mounting groove holes 7 arranged on the first clamping plate 6 and the second clamping plate 8 in a matched manner.
Further, one side fixed mounting of first protective housing 2 has terminal 15, and fixed mounting has fixing nut 14 on terminal 15, through seting up at the inboard protection shrinkage groove 12 of protection main part 3, has realized the processing of accomodating of fixed fixture block 9, very big assurance first snap-fit plate 6 on first protective housing 2 to and the inseparable laminating of second snap-fit plate 8 on the second protective housing 5 and protection main part 3 inner wall, guaranteed the leakproofness of device.
Further, one end of the expanding spring 11 is fixedly connected with the limiting installation groove 13, the other end of the expanding spring 11 is fixedly connected with the fixed clamping block 9, and the fixed clamping block 9 and the limiting installation groove 13 are welded and fixed in an integrated mode.
Further, the first protective shell 2 and the first clamping plate 6 are poured into a whole, the second protective shell 5 and the second clamping plate 8 are poured into a whole, a threaded hole for the limiting fixing rod 10 to be screwed is formed in the protective fixing plate 4, and the limiting fixing rod 10 and the fixing clamping block 9 are fixedly connected through screws.
Furthermore, an anti-falling fixture block is fixedly installed on the outer side of the fixed fixture block 9, and the fixed fixture block 9 and the protective shrinkage groove 12 are connected in a sliding mode through the anti-falling fixture block.
The scheme has the following working processes: when the pilot-operated electromagnetic directional valve needs to assemble and fix the first protective shell 2, the second protective shell 5 and the protective main body 3 on the electromagnetic directional valve main body 1, the first clamping plate 6 on the first protective shell 2 slides along the inner wall of the protective main body 3, and the second clamping plate 8 on the second protective shell 5 slides along the inner wall of the protective main body 3, wherein the first clamping plate 6 and the second clamping plate 8 are tightly jointed, the protective fixing plate 4 is pulled towards one side far away from the protective main body 3, under the drive of the protective fixing plate 4, the fixed clamping block 9 is accommodated into the inner side of the protective shrinkage groove 12, and the limit installation groove 13 is also accommodated into the inner side of the protective shrinkage groove 12 under the drive of the protective shrinkage groove 12, the first clamping plate 6 and the second clamping plate 8 continuously slide until the installation groove holes 7 on the first clamping plate 6 and the second clamping plate 8 coincide with the position of the limit installation groove 13, loosen protection fixed plate 4, under the tension effect of expanding spring 11 for spacing dead lever 10 promotes fixed fixture block 9 and removes toward the outside of protection shrinkage groove 12, and under the drive of fixed fixture block 9, makes spacing mounting groove 13 insert and establish on installation slotted hole 7, realizes fixed the block of first protective housing 2, protection main part 3 and second protective housing 5, accomplishes the installation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.