CN215200842U

CN215200842U - Device for assembling PRV valve on cylinder cover

Info

Publication number: CN215200842U
Application number: CN202121301498.7U
Authority: CN
Inventors: 李伟; 钱懿; 周旸; 钱智; 顾嘉豪
Original assignee: Changshu Entech Plastic Auto Parts Co ltd
Current assignee: Changshu Entech Plastic Auto Parts Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-17
Anticipated expiration: 2031-06-10

Abstract

The utility model provides an equipment for being arranged in assembling PRV valve on cylinder head cover, include: the bottom plate, the positioning component, the compressing component and the assembling component are arranged, the assembling component comprising the plugging block and the pressing block is arranged, the plugging block can be arranged behind the cylinder cover cap in a back-and-forth moving way, the working condition pipe and the exhaust pipe on the cylinder cover cap can be plugged through the forward movement of the plugging block, only the mounting hole of the cylinder cover cap is communicated with the outside, and then the vacuum is transmitted to the mounting hole through the working condition pipe through the vacuum port arranged on the front end surface of the plugging block, so that the technical effects that the diaphragm is adsorbed by the mounting hole and the spring is uniformly compressed are realized, under the vacuum action, the adsorption effect of the membrane is easy to maintain, the spring does not need to be compressed manually, the safety is good, the membrane positioning effect is good, through the briquetting that can reciprocate in the top setting of mounting hole, can cover the cylinder cap with the enclosing cover lock of PRV valve through the downstream of briquetting on, convenient operation, labour saving and time saving, the packaging efficiency is high.

Description

Device for assembling PRV valve on cylinder cover

Technical Field

The utility model relates to a cylinder head cover equipment field, concretely relates to equipment that is used for assembling the PRV valve on the cylinder head cover.

Background

The cylinder cover is a cover covering on the engine cylinder body, which can prevent the external impurities from entering the engine, in order to balance the pressure in the engine crankcase, most of the existing cylinder cover is provided with a PRV valve for adjusting the pressure in the crankcase, for example, Chinese patent CN207830005U discloses an integrated cylinder cover with a PRV valve, which comprises a cover plate, a diaphragm and a spring for jacking up the diaphragm, when assembling, the spring needs to be contracted to make the diaphragm fit with the mounting hole of the cylinder cover, because the spring has elasticity, the spring is compressed by a long strip tool such as a screwdriver, then the diaphragm is placed on the mounting hole of the cylinder cover, then the cover plate is buckled on the cylinder cover, so that the cover plate covers the diaphragm, when assembling by adopting the mode, the spring is difficult to uniformly bear force, the potential safety hazard is large, the diaphragm is fixed only by the friction force between the mounting hole and the diaphragm, the position of diaphragm squints easily, and positioning effect is poor, and during the installation apron, not only need last to keep the spring at compression state through the instrument, still need exert very big power just to make the apron lock, wastes time and energy, and the packaging efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's defect, providing an equipment that is used for assembling the PRV valve on the cylinder head cover that the security is good, diaphragm location effect is good, labour saving and time saving, packaging efficiency are high.

In order to achieve the above object, the present invention adopts the technical solution that an apparatus for assembling a PRV valve on a cylinder head cover includes:

the upper surface of the bottom plate is parallel to the horizontal plane, and the bottom plate is used for placing a cylinder cover;

the positioning assembly is arranged on the bottom plate and comprises a positioning column and a positioning block, the positioning column is matched with the positioning hole in the bottom of the cylinder cover cap, and the positioning block is used for tightly abutting against the side wall of the cylinder cover cap;

the pressing assembly is used for pressing the cylinder cover on the bottom plate, so that a seal is formed between the lower end surface of the cylinder cover and the upper surface of the bottom plate;

the assembling assembly comprises a blocking block and a pressing block, and the blocking block is used for blocking the working condition pipe and the exhaust pipe of the cylinder cover;

the blocking block is positioned behind the cylinder cover cap and can be arranged in a back-and-forth moving mode, a vacuum port communicated with a vacuum source is formed in the front end face of the blocking block, and when the working condition pipe is blocked by the blocking block, the vacuum port is communicated with the working condition pipe;

the pressing block is positioned above the mounting hole in the cylinder cover, the pressing block can be arranged in a vertically movable mode, and the pressing block is used for buckling the outer cover of the PRV valve to the cylinder cover.

Preferably, the blocking block is provided with a silica gel column extending forwards, the diameter of the silica gel column is larger than the pipe diameters of the working condition pipe and the exhaust pipe, the number of the silica gel columns is two, the two silica gel columns respectively correspond to the working condition pipe and the exhaust pipe, and the vacuum port is formed in the center of the front end face of the silica gel column corresponding to the working condition pipe.

Preferably, the assembly further comprises a first air cylinder and a first guide assembly, the first air cylinder is used for driving the blocking block to move back and forth, the first guide assembly is used for guiding the blocking block, the first guide assembly comprises a first guide plate and a first guide column, the first guide plate is perpendicular to the horizontal plane and is connected with an air cylinder rod of the first air cylinder, the rear end of the first guide column can be arranged on the first guide plate in a penetrating mode in a front-back sliding mode, and the front end of the first guide column is connected with the blocking block.

Further preferably, a first spring is sleeved on the first guide post, and two end portions of the first spring respectively abut against the first guide plate and the blocking block.

Preferably, the assembly further comprises a second cylinder and a second guide assembly, the second cylinder is used for driving the pressing block to move up and down, the second guide assembly is used for guiding the pressing block, the second guide assembly comprises a second guide plate and a second guide post, the second guide plate is parallel to the horizontal plane and is connected with a cylinder rod of the second cylinder, the upper end of the second guide post is arranged on the second guide plate in a penetrating mode in a vertically sliding mode, and the lower end of the second guide post is connected with the pressing block.

Further preferably, a second spring is sleeved on the second guide post, and two end portions of the second spring respectively abut against the second guide plate and the pressing block.

Further preferably, the apparatus for assembling a PRV valve on a cylinder head cover further includes a pressure sensor between the second guide plate and the pressing block, the pressure sensor being attached to a lower surface of the second guide plate or an upper surface of the pressing block.

Further preferably, there are four second guide posts, and the four second guide posts are distributed in an annular array around the pressure sensor.

Further preferably, the pressing assemblies are arranged on the left side and the right side of the cylinder cover, each pressing assembly comprises a pressing plate extending along the horizontal direction and a pressing cylinder used for driving the pressing plate to move up and down, and when a cylinder rod of each pressing cylinder retracts, the pressing plates abut against the upper surface of the cylinder cover.

Further preferably, an adjusting bolt is arranged at the end part of the pressing plate close to the cylinder cover, and when a cylinder rod of the pressing cylinder retracts, the bottom of the adjusting bolt abuts against the upper surface of the cylinder cover.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the rear part of the cylinder cover cap is provided with the plugging block which can move back and forth, the working condition pipe and the exhaust pipe on the cylinder cover cap can be plugged through the plugging block, only the residual mounting hole of the cylinder cover cap can be communicated with the outside, and the front end surface of the plugging block is provided with the vacuum port communicated with a vacuum source;

2. through the briquetting that can reciprocate in the top setting of mounting hole, can cover the cylinder cap with the enclosing cover lock of PRV valve through the downstream of briquetting on, convenient operation, labour saving and time saving, the packaging efficiency is high.

Drawings

Fig. 1 is a schematic top view of a preferred embodiment of the present invention, with the cylinder head cover not in place.

Fig. 2 is a schematic top view of the preferred embodiment of the present invention, with the cylinder head cover in place.

Fig. 3 is a front view of fig. 1.

Wherein: 10. a base plate; 21. a positioning column; 22. positioning blocks; 31. a compression plate; 32. a pressing cylinder; 33. adjusting the bolt; 41. a plugging block; 42. a silica gel column; 43. a vacuum port; 44. a first cylinder; 45. a first guide assembly; 451. a first guide plate; 452. a first guide post; 453. a first spring; 51. briquetting; 52. a second cylinder; 53. a second guide assembly; 531. a second guide plate; 532. a second guide post; 533. a second spring; 60. a pressure sensor; 70. a cylinder head cover; 71. a working condition pipe; 72. and (4) exhausting the gas.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.

The utility model discloses the fore-and-aft direction of well description is the upper and lower direction in fig. 1, the utility model discloses the left and right sides direction of well description is the left and right sides direction in fig. 1, the upper and lower direction of well description is the upper and lower direction in fig. 3.

As shown in fig. 1-3, the present invention provides an apparatus for assembling a PRV valve on a cylinder head cover, comprising: the cylinder cover assembly comprises a bottom plate 10, a positioning assembly, a pressing assembly and an assembling assembly, wherein the upper surface of the bottom plate 10 is parallel to a horizontal plane, and the bottom plate 10 is used for placing a cylinder cover 70; the positioning assembly is arranged on the bottom plate 10 and comprises a positioning column 21 and a positioning block 22, the positioning column 21 is matched with the positioning hole at the bottom of the cylinder cover cap 70, and the positioning block 22 is used for tightly abutting against the side wall of the cylinder cover cap 70; the pressing assembly is used for pressing the cylinder cover 70 on the bottom plate 10 to form a seal between the lower end surface of the cylinder cover 70 and the upper surface of the bottom plate 10, and specifically, the pressing assembly is arranged at the left and right sides of the cylinder cover 70, the pressing assembly comprises a pressing plate 31 extending along the horizontal direction and a pressing cylinder 32 for driving the pressing plate 31 to move up and down, the end part of the pressing plate 31 far away from the cylinder cover 70 is connected with a cylinder rod of the pressing cylinder 32, and the end part of the pressing plate 31 close to the cylinder cover 70 is in threaded connection with an adjusting bolt 33, when the rod of the pressing cylinder 32 is retracted, the pressing plate 31 is moved downward, so that the bottom of the adjusting bolt 33 abuts against the upper surface of the cylinder head cover 70, thereby compressing the cylinder head cover 70, and by rotating the adjusting bolt 33, the length of the adjusting bolt 33 protruding downwards from the compressing plate 31 can be adjusted, thereby adjusting the degree of compressing the cylinder head cover 70; the assembly comprises a blocking block 41, a first air cylinder 44, a first guide assembly 45, a pressing block 51, a second air cylinder 52 and a second guide assembly 53.

In this embodiment, the blocking block 41 is used to block the working condition pipe 71 and the exhaust pipe 72 of the cylinder cover 70, specifically, the blocking block 41 is located behind the cylinder cover 70, the blocking block 41 is arranged in a manner of moving back and forth, the front end surface of the blocking block 41 is provided with a silica gel column 42 extending forward, the diameter of the silica gel column 42 is larger than the pipe diameters of the working condition pipe 71 and the exhaust pipe 72, the silica gel column 42 is provided with two silica gel columns 42 corresponding to the working condition pipe 71 and the exhaust pipe 72, respectively, the center of the front end surface of the silica gel column corresponding to the working condition pipe 71 is provided with a vacuum port 43 communicating with a vacuum source, when the blocking block 41 moves forward to the silica gel column 42 to block the working condition pipe 71 and the exhaust pipe 72, the vacuum port 43 communicates with the working condition pipe 71, so as to transmit vacuum to the mounting hole on the cylinder cover 70, so that the mounting hole can absorb the diaphragm of the PRV valve, and the spring of the PRV valve is uniformly compressed by the downward movement of the diaphragm, thereby reducing the safety hazard, the safety is improved.

In this embodiment, the first cylinder 44 is used for driving the blocking block 41 to move back and forth, the first guiding assembly 45 is used for guiding the blocking block 41, specifically, the first guiding assembly 45 includes a first guiding plate 451 and a first guiding column 452, the first guiding plate 451 is perpendicular to the horizontal plane and is connected with a cylinder rod of the first cylinder 44, a rear end portion of the first guiding column 452 is slidably inserted into the first guiding plate 451 back and forth, a front end portion of the first guiding column 452 is connected with the blocking block 41, a first spring 453 is sleeved on the first guiding column 452, two end portions of the first spring 453 respectively abut against the first guiding plate 451 and the blocking block 41, for improving stability, the number of the first guiding columns 452 is two, and the two first guiding columns 452 are symmetrically distributed on the left side and the right side of the rod of the first cylinder 44.

In the present embodiment, the pressing piece 51 is used to snap the outer cover of the PRV valve to the cylinder head cover 70, and specifically, the pressing piece 51 is located above the mounting hole on the cylinder head cover 70, and the pressing piece 51 is provided movably up and down.

In this embodiment, the second cylinder 52 is used for driving the pressing block 51 to move up and down, the second guiding assembly 53 is used for guiding the pressing block 51, the second guiding assembly 53 includes a second guiding plate 531 and a second guiding post 532, the second guiding plate 531 is parallel to the horizontal plane and is connected with the cylinder rod of the second cylinder 52, the upper end of the second guiding post 532 is slidably inserted on the second guiding plate 531 up and down, the lower end of the second guiding post 532 is connected with the pressing block 51, the second guiding post 532 is sleeved with a second spring 533, and two ends of the second spring 533 are respectively abutted against the second guiding plate 531 and the pressing block 51.

In order to ensure that the outer cover of the PRV valve can be fastened in place, the apparatus is further provided with a pressure sensor 60, the pressure sensor 60 is used for detecting the amount of downward pressure exerted on the outer cover when the outer cover is fastened, specifically, the pressure sensor 60 is located between the second guide plate 532 and the pressing block 51 and is connected to the lower surface of the second guide plate 532, and the bottom of the pressure sensor 60 is spaced from the upper surface of the pressing block 51.

In order to avoid detection errors due to deflection of the pressure piece 51, in the present embodiment, there are four second guide posts 532, and the four second guide posts 532 are distributed in a circular array centered along the pressure sensor 60.

The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An apparatus for assembling a PRV valve on a cylinder head cover, comprising:

the method is characterized in that:

the pressing block is positioned above the mounting hole in the cylinder cover and can be arranged in a vertically movable mode, and the pressing block is used for buckling the outer cover of the PRV valve to the cylinder cover.

2. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 1, wherein: the silica gel column is arranged on the blocking block, the diameter of the silica gel column is larger than the pipe diameters of the working condition pipe and the exhaust pipe, the number of the silica gel columns is two, the silica gel columns respectively correspond to the working condition pipe and the exhaust pipe, and the vacuum port is formed in the center of the front end face of the silica gel column corresponding to the working condition pipe.

3. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 1, wherein: the assembly further comprises a first air cylinder and a first guide assembly, the first air cylinder is used for driving the blocking block to move back and forth, the first guide assembly is used for guiding the blocking block, the first guide assembly comprises a first guide plate and a first guide post, the first guide plate is perpendicular to the horizontal plane and is connected with an air cylinder rod of the first air cylinder, the rear end portion of the first guide post can be arranged on the first guide plate in a penetrating mode in a front-back sliding mode, and the front end portion of the first guide post is connected with the blocking block.

4. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 3, wherein: the first guide post is sleeved with a first spring, and two ends of the first spring are respectively abutted against the first guide plate and the blocking block.

5. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 1, wherein: the assembly component further comprises a second air cylinder and a second guide component, the second air cylinder is used for driving the pressing block to move up and down, the second guide component is used for guiding the pressing block, the second guide component comprises a second guide plate and a second guide post, the second guide plate is parallel to the horizontal plane and is connected with an air cylinder rod of the second air cylinder, the upper end portion of the second guide post can penetrate through the second guide plate in a vertically sliding mode, and the lower end portion of the second guide post is connected with the pressing block.

6. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 5, wherein: and a second spring is sleeved on the second guide post, and two end parts of the second spring are respectively abutted against the second guide plate and the pressing block.

7. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 5, wherein: the apparatus for assembling a PRV valve on a cylinder head cover further includes a pressure sensor between the second guide plate and the pressing block, the pressure sensor being connected to a lower surface of the second guide plate or an upper surface of the pressing block.

8. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 7, wherein: the number of the second guide columns is four, and the four second guide columns are distributed in an annular array by taking the pressure sensor as a center.

9. The apparatus for assembling a PRV valve on a cylinder head cover according to any of claims 1-8, characterized in that: the pressing assemblies are arranged on the left side and the right side of the cylinder cover and comprise pressing plates extending in the horizontal direction and pressing cylinders used for driving the pressing plates to move up and down, and when cylinder rods of the pressing cylinders retract, the pressing plates abut against the upper surface of the cylinder cover.

10. The apparatus for assembling a PRV valve on a cylinder head cover according to claim 9, wherein: and the end part of the pressing plate close to the cylinder cover is provided with an adjusting bolt, and when a cylinder rod of the pressing cylinder retracts, the bottom of the adjusting bolt is abutted against the upper surface of the cylinder cover.