CN212642153U

CN212642153U - Valve bonnet for pump truck

Info

Publication number: CN212642153U
Application number: CN202021289590.1U
Authority: CN
Inventors: 吴宛征; 杨一杰
Original assignee: Tangshan Jieruite Vehicle Parts Co ltd
Current assignee: Tangshan Jieruite Vehicle Parts Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-02
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a valve bonnet field discloses a valve bonnet for pump truck, has solved the problem that the solenoid valve takes place to damage when jolting, including the cover body, oil pipe and solenoid valve, the solenoid valve sets up at the cover internal, sets up the through-hole that supplies in oil pipe to wear to establish on the cover body, and oil pipe wears to establish through-hole and solenoid valve intercommunication, covers the internal first damper that is provided with of cover, and first damper is including setting up the fixed plate on the internal wall of cover, is provided with the backup pad between fixed plate and the solenoid valve, and the fixed outside that sets up at the solenoid valve of backup pad is provided with between backup pad and the fixed plate and is used for the. The utility model discloses a first damper provides elastic buffer power to the solenoid valve, has slowed down the impact force that the solenoid valve received when the pump truck jolts to the protection solenoid valve reduces the possibility that the solenoid valve collision takes place the damage.

Description

Valve bonnet for pump truck

Technical Field

The utility model relates to a valve bonnet field especially relates to a valve bonnet for pump truck.

Background

The solenoid valve is a control element for controlling the on/off of the pressure oil and changing the direction of the pressure oil. On a pump truck, most of the oil passages need electromagnetic valves for control. The main controller of the pump truck controls the power-on and power-off time of each solenoid valve coil, and through the process, the mechanical movement is controlled by electricity, so that the full automation and the continuity of the pumping process are realized. On some concrete pump trucks, in order to prevent soil from splashing on the electromagnetic valve, a valve cover is generally arranged outside the electromagnetic valve.

Chinese patent No. CN203113796U discloses a solenoid valve cover of a concrete pump truck, which mainly comprises an upper cover and a box body, wherein the box body mainly comprises a main box body and an auxiliary box body, the main box body is a rectangular box with an upward opening, the upper part of the right end part of the main box body is provided with an auxiliary box body with an opening towards the left, which is made into a whole with the main box body, the auxiliary box body is a rectangular box without a lower side plate, the left edge of the upper side plate of the auxiliary box body is provided with an upper cover with an inverted U-shaped cross section and a circular arc surface at the left section of the top surface, and a lock catch is arranged between the left end part of the upper cover and the left side plate of the main box body.

The above prior art has the following drawbacks: when the pump truck bumps on the road, the electromagnetic valve arranged in the cover body can swing along with the pump truck, and collides against the inner wall of the cover body, so that the electromagnetic valve is easy to damage, and the service life of the electromagnetic valve is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pump truck is with valve bonnet, it can carry out the shock attenuation to the solenoid valve, has reduced the possibility that the solenoid valve damaged, is favorable to prolonging the life of solenoid valve.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a valve bonnet for pump truck, includes the cover body, oil pipe and solenoid valve, the solenoid valve sets up at the cover internally, set up on the cover body and supply the through-hole that oil pipe wore to establish, through-hole and solenoid valve intercommunication are worn to establish by oil pipe, the internal first damper that is provided with of cover, first damper includes fixed plate, backup pad and elastic support piece, the fixed plate sets up on the internal wall of cover, the backup pad sets up between fixed plate and solenoid valve, the fixed outside that sets up at the solenoid valve of backup pad, elastic support piece is used for the shock attenuation to the solenoid valve, elastic support piece sets up between backup pad and fixed plate.

Through above-mentioned technical scheme, when the cover body receives when jolting, the solenoid valve is at the internal rocking of cover, drives the backup pad and follows and rock, and at this moment, elastic support piece provides the elastic buffer power to the solenoid valve to carry out the shock attenuation to the solenoid valve, reduced the striking that takes place between solenoid valve and the cover inner wall, and cause the possibility of solenoid valve damage, be favorable to prolonging the life of solenoid valve.

The utility model discloses further set up to: elastic support piece includes guide bar and first compression spring, the backup pad is worn to establish by the guide bar, the guide bar is towards the one end and the fixed plate fixed connection of fixed plate, first compression spring cover is established on the guide bar, first compression spring's both ends are inconsistent with backup pad, fixed plate respectively.

Through above-mentioned technical scheme, at the in-process that the solenoid valve rocked, the backup pad takes place the position along the length direction emergence of guide bar and removes, plays limiting displacement to the solenoid valve. Simultaneously, elastic deformation takes place for first compression spring, provides elastic buffer power to the backup pad that removes, plays the cushioning effect to the impact force that receives on the solenoid valve, has reduced the range that the solenoid valve rocked to reduce and take place the striking between the solenoid valve cover body inner wall, and cause the possibility of solenoid valve damage, play absorbing effect to the solenoid valve.

The utility model discloses further set up to: one side of the fixing plate, which faces the supporting plate, is provided with an elastic fixing block, and one side of the elastic fixing block, which faces away from the fixing plate, is in contact with the supporting plate.

Through above-mentioned technical scheme, follow the in-process that the solenoid valve rocked at the backup pad, the elastic fixing block receives the extrusion of backup pad and takes place elastic deformation, provides elastic buffer power to the backup pad to slow down the impact force that receives on the solenoid valve, further reduced the range that the solenoid valve rocked, further improve the shock attenuation effect to the solenoid valve.

The utility model discloses further set up to: the outer side of the cover body is provided with the connecting pipe, the connecting pipe is linked together with the through-hole, the connecting pipe is worn to establish by oil pipe, be provided with between connecting pipe and the oil pipe and be used for carrying out absorbing second damper to oil pipe, second damper includes first body, second body and second compression spring, the outside at oil pipe is wrapped up in to first body, the second body is laminated mutually with the inner wall of connecting pipe, the second compression spring sets up between first body and second body, the both ends of second compression spring respectively with first body, second body fixed connection.

Through above-mentioned technical scheme, receive when jolting and rock when oil pipe, first body is followed and is taken place to rock, and at this moment, elastic deformation takes place for second compression spring, provides elastic buffer power to first body, has reduced oil pipe's range of rocking to reduced oil pipe and driven the possibility that the solenoid valve rocked, played the cushioning effect to the solenoid valve.

The utility model discloses further set up to: all be provided with sealed the pad between first body and the oil pipe, between second body and the connecting pipe, the connecting pipe is kept away from and is set firmly the elasticity seal membrane on the one end terminal surface of the cover body, the outside fixed connection of elasticity seal membrane and oil pipe.

Through above-mentioned technical scheme, the setting of sealed pad is plugged up the clearance between first body and the oil pipe, the clearance between second body and the connecting pipe, has improved the leakproofness between first body and the oil pipe, between second body and the connecting pipe, has reduced the rainwater and has permeated the cover internal, and leads to the possibility of solenoid valve corrosion damage, is favorable to prolonging the life of solenoid valve. The setting of elasticity seal membrane seals the clearance between the tip of connecting pipe and the oil pipe, improves the leakproofness between connecting pipe and the oil pipe, and it is internal to have further reduced rainwater dust through the connecting pipe infiltration cover, and causes the possibility of solenoid valve rust damage.

The utility model discloses further set up to: the cover body is provided with a circular groove, heat dissipation holes are formed in the circular groove, a fan-shaped rotating piece is arranged in the circular groove in a rotating mode, and the circle center of the fan-shaped rotating piece coincides with the circle center of the circular groove.

Through above-mentioned technical scheme, the louvre is used for dispelling the heat to the solenoid valve, and when meetting the more condition of rainwater, the operator rotates fan-shaped revolving fragment, makes fan-shaped revolving fragment cover the louvre, and it is internal to reduce the rainwater entering cover to lead to the possibility that the corrosion appears in the solenoid valve.

The utility model discloses further set up to: one side of the cover body facing the ground is provided with an arc-shaped baffle plate, and the outer convex surface of the arc-shaped baffle plate is connected with the cover body.

Through above-mentioned technical scheme, when the pump truck during through comparatively muddy road section, cowl can stop rainwater earth and splash to the cover body on, it is internal to have reduced rainwater earth and then get into the cover, and leads to the solenoid valve the possibility that the corrosion damaged appears, is favorable to prolonging the life of solenoid valve.

The utility model discloses further set up to: the cover body is made of glass fiber reinforced plastic.

Through the technical scheme, the glass fiber reinforced plastic is reinforced plastic taking glass fiber as a reinforcing material, and has the advantages of light weight, high hardness and corrosion resistance. The cover body adopts the glass steel material, has improved the corrosion resistance of the cover body, has reduced rainwater earth and has splashed to the cover body on, and lead to the possibility of cover body corrosion, is favorable to prolonging the life of the cover body.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a first damper has slowed down the impact force that the solenoid valve received when the pump truck jolts, has reduced solenoid valve and cover body collision, and leads to the possibility of solenoid valve damage, is favorable to prolonging the life of solenoid valve.

2. The utility model discloses a second damper carries out the shock attenuation to oil pipe to reduce the range of rocking of solenoid valve, further reduced the solenoid valve and leaded to the possibility of damage because of the striking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view of the first damper mechanism according to the present embodiment.

Fig. 3 is an enlarged view at a in fig. 1.

Fig. 4 is a schematic structural view for embodying the second damper mechanism of the present embodiment.

Reference numerals: 1. a cover body; 11. a through hole; 12. a circular groove; 13. heat dissipation holes; 14. a sector rotary plate; 15. perforating holes; 16. fixing a column; 17. an arc-shaped baffle plate; 18. a connecting pipe; 2. an oil pipe; 3. an electromagnetic valve; 4. a first damper mechanism; 41. a fixing plate; 42. a support plate; 431. a guide bar; 432. a first compression spring; 433. an elastic fixing block; 5. a second damper mechanism; 51. a first pipe body; 52. a second tube body; 53. a gasket; 54. an elastic sealing film; 55. a second compression spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, for the utility model discloses a valve bonnet for pump truck, including the cover body 1, oil pipe 2 and solenoid valve 3, solenoid valve 3 sets up in the cover body 1. The cover body 1 is installed on the chassis of the pump truck, a through hole 11 for the oil pipe 2 to penetrate is formed in the cover body 1, and the oil pipe 2 penetrates through the through hole 11 and is communicated with the electromagnetic valve 3.

Referring to fig. 1 and 3, the cover body 1 is made of glass fiber reinforced plastic, a circular groove 12 is formed in the outer side of the cover body 1, a plurality of heat dissipation holes 13 are formed in the circular groove 12, and the plurality of heat dissipation holes 13 are distributed in a fan shape. A fan-shaped rotating sheet 14 is rotatably arranged in the circular groove 12, the center of the fan-shaped rotating sheet 14 coincides with the center of the circular groove 12, a through hole 15 is formed in the center of the fan-shaped rotating sheet 14, and a fixed column 16 is fixedly welded to the center of the circular groove 12. The fixed column 16 penetrates through the through hole 15, when rainwater is more, an operator rotates the fan-shaped rotating piece 14 until the fan-shaped rotating piece 14 completely shields and covers the plurality of heat dissipation holes 13, and therefore the possibility that rainwater permeates into the cover body through the heat dissipation holes 13 and causes the electromagnetic valve 3 to be corroded is reduced. One side welded fastening on the cover body 1 towards ground has cowl 17, and cowl 17's outer convex surface is connected with the cover body 1, and cowl 17's width is greater than the width of the cover body 1, and cowl 17's length is greater than the length of the cover body 1, and cowl 17 is used for blockking rainwater earth to reduce rainwater earth and splash the possibility on the cover body 1.

Referring to fig. 1 and 2, a first damping mechanism 4 for damping the electromagnetic valve 3 is disposed in the housing 1, and the first damping mechanism 4 includes two fixing plates 41, two supporting plates 42, and two sets of elastic supporting members for damping the electromagnetic valve 3. The two fixing plates 41 are respectively welded and fixed on the inner wall of the cover body 1, and the positions of the two fixing plates 41 are symmetrically arranged about the electromagnetic valve 3. Two backup pads 42 set up respectively between two fixed plates 41 and solenoid valve 3, and two backup pads 42 are glued respectively and are fixed in solenoid valve 3 along the both sides of horizontal direction, and elastic support spare sets up between backup pad 42 and fixed plate 41.

Referring to fig. 2, the elastic support includes four guide rods 431 and eight first compression springs 432, the four guide rods 431 are disposed along the periphery of the support plate 42, the guide rods 431 are disposed along the vertical direction, the guide rods 431 simultaneously penetrate through the two support plates 42, and both ends of the guide rods 431 along the length direction are respectively welded and fixed on the two fixing plates 41. The eight first compression springs 432 are respectively disposed between the fixed plate 41 and the supporting plate 42, the first compression springs 432 are sleeved on the guide rod 431, and two ends of the first compression springs 432 respectively contact the supporting plate 42 and the fixed plate 41. Fixed plate 41 glues towards one side of backup pad 42 and glues and fix elasticity fixed block 433, and elasticity fixed block 433 is made by elastic rubber, and the position of elasticity fixed block 433 staggers with the position of guide bar 431 and sets up, and one side that elasticity fixed block 433 deviates from fixed plate 41 contacts with backup pad 42.

Referring to fig. 1 and 2, when the cover 1 receives an impact force due to bumping of the pump truck, the solenoid valve 3 vibrates in the cover 1 and drives the support plate 42 to swing, and the support plate 42 ascends and descends in the vertical direction along the guide rod 431, so that the solenoid valve 3 ascends and descends between the two fixing plates 41 in the vertical direction. At this moment, first compression spring 432 and elasticity fixed block 433 all follow and take place elastic deformation, provide the elastic buffer power to backup pad 42, cushion the impact force that solenoid valve 3 received, have reduced the range that solenoid valve 3 rocked, have played absorbing effect to solenoid valve 3 to reduced solenoid valve 3 and produced the striking and lead to the possibility that solenoid valve 3 damaged to the cover body 1, be favorable to prolonging solenoid valve 3's life.

Referring to fig. 1 and 4, a connecting pipe 18 is welded and fixed to the outer side of the cover body 1, the connecting pipe 18 is arranged along the length direction of the oil pipe 2, the connecting pipe 18 is communicated with the through hole 11, and the oil pipe 2 penetrates through the connecting pipe 18. Be provided with between connecting pipe 18 and the oil pipe 2 and be used for carrying out absorbing second damper 5 to oil pipe 2, second damper 5 includes first body 51, second body 52 and a plurality of second compression spring 55, and first body 51 wraps up in the outside at oil pipe 2, and second body 52 is laminated mutually with the inner wall of connecting pipe 18. The inner side of the first pipe body 51 is hermetically connected with the outer side of the oil pipe 2 through a sealing gasket 53, the outer side of the second pipe body 52 is hermetically connected with the inner side of the connecting pipe 18 through the sealing gasket 53, one end, far away from the cover body 1, of the connecting pipe 18 is hermetically fixed with an elastic sealing film 54, and the elastic sealing film 54 is hermetically fixed on the outer side of the oil pipe 2. A gap is preset between the first tube 51 and the second tube 52, a plurality of second compression springs 55 are radially arranged between the first tube 51 and the second tube 52, and two ends of each second compression spring 55 are respectively adhered and fixed with the first tube 51 and the second tube 52.

Referring to fig. 4, when the oil pipe 2 is bumped and swayed, the first pipe 51 is shifted along with the oil pipe 2, and the distance between the first pipe 51 and the second pipe 52 is changed. At this moment, second compression spring 55 takes place elastic deformation, provides elastic buffer power to first body 51, slows down the impact force that oil pipe 2 received, has reduced oil pipe 2's range of rocking to reduce the range that solenoid valve 3 rocked, further play absorbing effect to solenoid valve 3.

The implementation principle of the embodiment is as follows: when the pump truck bumps, the electromagnetic valve 3 is impacted and moves in the vertical direction along the guide rod 431, the electromagnetic valve 3 drives the support plate 42 to move in the vertical direction, and the distance between the fixed plate 41 and the support plate 42 changes. At this moment, elastic deformation all takes place for first compression spring 432 and elasticity fixed block 433, provides elastic buffer power to backup pad 42, has reduced the range that solenoid valve 3 rocked to reduce solenoid valve 3 and cover body 1 and bump and cause the possibility that the solenoid valve damaged, be favorable to prolonging solenoid valve 3's life.

At the same time, the oil pipe 2 is shaken in the connection pipe 18, and the first pipe 51 follows the positional deviation. At this moment, the second compression spring 55 generates elastic deformation, and provides elastic buffering force for the first pipe body 51, so that the amplitude of shaking of the oil pipe 2 is reduced, the amplitude of shaking caused by the fact that the oil pipe 2 drives the electromagnetic valve 3 is reduced, and the electromagnetic valve 3 is further damped.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a valve bonnet for pump truck, includes the cover body (1), oil pipe (2) and solenoid valve (3), solenoid valve (3) set up in the cover body (1), set up through-hole (11) that fuel feeding pipe (2) wore to establish on the cover body (1), through-hole (11) and solenoid valve (3) intercommunication, its characterized in that are worn to establish in oil pipe (2): be provided with first damper (4) in the cover body (1), first damper (4) are including fixed plate (41), backup pad (42) and elastic support piece, fixed plate (41) set up on the cover body (1) inner wall, backup pad (42) set up between fixed plate (41) and solenoid valve (3), backup pad (42) are fixed to be set up in the outside of solenoid valve (3), elastic support piece is used for the shock attenuation to solenoid valve (3), elastic support piece sets up between backup pad (42) and fixed plate (41).

2. A valve bonnet for a pump truck, as defined in claim 1, wherein: elastic support includes guide bar (431) and first compression spring (432), backup pad (42) are worn to establish by guide bar (431), one end and fixed plate (41) fixed connection of guide bar (431) towards fixed plate (41), first compression spring (432) cover is established on guide bar (431), the both ends of first compression spring (432) respectively with backup pad (42), fixed plate (41) inconsistent.

3. A valve bonnet for a pump truck, as defined in claim 1, wherein: one side that fixed plate (41) faced backup pad (42) is provided with elasticity fixed block (433), one side that elasticity fixed block (433) deviate from fixed plate (41) contacts with backup pad (42).

4. A valve bonnet for a pump truck, as defined in claim 1, wherein: the outer side of the cover body (1) is provided with a connecting pipe (18), the connecting pipe (18) is communicated with the through hole (11), the connecting pipe (18) is penetrated through by the oil pipe (2), a second damping mechanism (5) used for damping the oil pipe (2) is arranged between the connecting pipe (18) and the oil pipe (2), the second damping mechanism (5) comprises a first pipe body (51), a second pipe body (52) and a second compression spring (55), the first pipe body (51) is wrapped on the outer side of the oil pipe (2), the second pipe body (52) is attached to the inner wall of the connecting pipe (18), the second compression spring (55) is arranged between the first pipe body (51) and the second pipe body (52), and two ends of the second compression spring (55) are fixedly connected with the first pipe body (51) and the second pipe body (52) respectively.

5. The valve bonnet as defined in claim 4, wherein: all be provided with sealed pad (53) between first body (51) and oil pipe (2), between second body (52) and connecting pipe (18), elastic sealing membrane (54) has set firmly on the one end terminal surface of the cover body (1) is kept away from in connecting pipe (18), the outside fixed connection of elastic sealing membrane (54) and oil pipe (2).

6. A valve bonnet for a pump truck, as defined in claim 1, wherein: the novel mask is characterized in that a circular groove (12) is formed in the mask body (1), heat dissipation holes (13) are formed in the circular groove (12), a fan-shaped rotating piece (14) is rotatably arranged in the circular groove (12), and the circle center of the fan-shaped rotating piece (14) coincides with the circle center of the circular groove (12).

7. A valve bonnet for a pump truck, as defined in claim 1, wherein: one side of the cover body (1) facing the ground is provided with an arc-shaped baffle plate (17), and the outer convex surface of the arc-shaped baffle plate (17) is connected with the cover body (1).

8. A valve bonnet for a pump truck, as defined in claim 1, wherein: the cover body (1) is made of glass fiber reinforced plastic.