CN213235877U - Single-mode midbody with good guidance quality - Google Patents
Single-mode midbody with good guidance quality Download PDFInfo
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- CN213235877U CN213235877U CN202021462931.0U CN202021462931U CN213235877U CN 213235877 U CN213235877 U CN 213235877U CN 202021462931 U CN202021462931 U CN 202021462931U CN 213235877 U CN213235877 U CN 213235877U
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- air inlet
- hole
- midbody
- sealing washer
- well
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Abstract
The utility model discloses a single mode midbody that guidance quality is good, including the midbody of aluminium system, set up the mesopore on the midbody and set up the air inlet through-hole on the midbody, a serial communication port, still including setting up in the sealing washer of mesopore bottom, set up in the downthehole direction circle with can dismantle the air inlet connection who sets up in the air inlet through-hole, the direction circle is provided with two and the equipartition and arranges in the mesohole, the direction circle material is iron or steel, can carry out fine guide effect to the internal gas of centering, reduce the friction between piston rod and the sealing washer, improve the life of sealing washer, connect through dismantling of air inlet connection simultaneously, make things convenient for the staff to change air inlet connection.
Description
Technical Field
The utility model relates to a body structure technical field in the car, in particular to body in single mode that guidance quality is good.
Background
The utility model discloses a utility model patent for chinese patent application number is CN201720216204.8 discloses a combination formula aluminium midbody for car brake chamber, including well body and the admission joint of separation processing, well body is for having seted up along the axial and run through the mesoporous solid of revolution, set up the air inlet through-hole that holds the admission joint on the outer periphery of well body, it is equipped with first O type sealing washer to be close to cylinder body fitting surface department on the well body, be equipped with second O type sealing washer between admission joint and the air inlet through-hole, be equipped with in the mesopore with guide pin bushing plug screw subassembly matched with third O type sealing washer and fourth O type sealing washer.
According to the technical scheme, the air flow is sealed through the sealing rings, in the moving process of the piston rod, more abrasion is easily caused to the rubber ring, two sealing rings need to be replaced during replacement, the maintenance and replacement cost of the later stage are increased to a certain extent, in the technical scheme, the air inlet through hole is mainly connected with the air inlet connector through threads, the air inlet connector is frequently detached and replaced through threads, fine gaps exist between the air inlet connector and the middle body easily, and the air inlet connector and the middle body are further influenced in sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a body in the single mode that guidance quality is good can carry out fine guide effect to the gas of internal portion, reduces the friction between piston rod and the sealing washer, improves the life of sealing washer, connects through dismantling of air-inlet joint simultaneously, makes things convenient for the staff to change air-inlet joint.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a body in single mode that guidance quality is good, includes the well body of aluminium system, set up the mesopore on the well body and set up the through-hole that admits air on the well body, still including set up in the sealing washer of mesopore bottom, set up in downthehole direction circle and can dismantle set up in admit air the air connection in the through-hole that admits air, the direction circle is provided with two and equipartition and arranges in downthehole, and two the direction circle is located respectively the both sides of sealing washer, the direction circle material is iron or steel.
Adopt above-mentioned technical scheme, both can increase the direction to the internal gaseous guide of centering through two direction circles, increase gaseous flow rate, also can lead to the piston rod to a certain extent through setting up of direction circle, increase the life of sealing washer, moreover, be provided with in the air inlet through-hole of well body and dismantle even air inlet connector, through dismantling the connection, make things convenient for the staff later stage to the maintenance of air inlet department on the body, reduced the maintenance cost of well body to a certain extent.
Preferably, an inner thread is formed in the inner wall of the air inlet through hole, an inclined plane I is formed in the inner wall of the through hole, a connecting block in running fit with the air inlet connector is sleeved on the air inlet connector, an inclined plane II matched with the inclined plane I is formed in the outer wall of the air inlet connector, an outer thread matched with the inner thread is formed in the outer wall of the connecting block, and a rubber ring is arranged at the joint of the connecting block and the air inlet connector.
Adopt above-mentioned technical scheme, when carrying out the installation of air inlet connection, place air inlet connection in the air inlet through-hole earlier, rotate the connecting block afterwards, the external screw thread of connecting block cooperatees with the internal thread in the air inlet through-hole, rotate the connecting block, will go up the connecting block and remove in the air inlet through-hole, the connecting block removes in to the air inlet through-hole, will drive air inlet connection and remove in to the air inlet through-hole, and then the inclined plane one will laminate with two inclined planes, after the inclined plane one laminates with two inclined planes completely, connecting block stall, can eliminate the gap between air inlet connection and the air inlet through-hole through inclined plane one and two at this moment, can fill the gap between connecting block and the air inlet connection through the rubber circle at the heart, further guarantee air inlet connection and air inlet through-hole between the leakproofness.
Preferably, a rubber film is fixed on the second inclined surface.
By adopting the technical scheme, the gap between the first inclined plane and the second inclined plane can be filled through the rubber film, and the tightness between the air inlet joint and the air inlet through hole is ensured.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic diagram illustrating the positions of the sealing ring and the guiding ring according to the embodiment;
FIG. 3 is a schematic diagram illustrating a positional relationship between an air inlet through hole and an air inlet joint according to an embodiment.
Reference numerals: 1. a middle body; 2. a mesopore; 3. an air inlet through hole; 4. a seal ring; 5. a guide ring; 6. an air inlet joint; 7. a first inclined plane; 8. connecting blocks; 9. a second inclined plane; 10. a rubber ring; 11. a rubber film.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
See fig. 1 to 3, a body in single mode that guidance quality is good, including the well body 1 of aluminium system, set up well 2 on the well body 1 and set up the through-hole 3 that admits air on the well body 1, still including set up in the sealing washer 4 of well 2 bottoms, set up the guide ring 5 in well 2 and can dismantle set up in admit air in the through-hole 3 air-inlet joint 6, guide ring 5 is provided with two and the equipartition and arranges in well 2, and two guide ring 5 is located respectively the both sides of sealing washer 4, guide ring 5 material is iron or steel.
As shown in fig. 2 and 3, when the middle body 1 is used, the air inlet joint 6 is firstly installed on the middle body 1, because the inner wall of the air inlet through hole 3 is provided with an internal thread, the inner wall of the through hole is provided with a first inclined plane 7, the air inlet joint 6 is externally sleeved with a connecting block 8 which is in running fit with the air inlet joint 6, the outer wall of the air inlet joint 6 is provided with a second inclined plane 9 which is matched with the first inclined plane 7, the outer wall of the connecting block 8 is provided with an external thread which is matched with the internal thread, the joint of the connecting block 8 and the air inlet joint 6 is provided with a rubber ring 10, the air inlet joint 6 is firstly placed in the air inlet through hole 3, then the connecting block 8 is rotated, the external thread of the connecting block 8 is matched with the internal thread in the air inlet through hole 3, the connecting block 8 is rotated to move the connecting block 8, will drive air inlet joint 6 and remove in to air inlet hole 3, and then inclined plane one 7 will laminate with inclined plane two 9, because inclined plane two 9 is fixed with rubber film 11, after inclined plane one 7 laminates completely with inclined plane two 9, connecting block 8 stall, rubber film 11 can fill the gap between inclined plane one 7 and the inclined plane two 9 simultaneously, guarantees the leakproofness between air inlet joint 6 and the air inlet hole 3, can fill the gap between connecting block 8 and the air inlet joint 6 through rubber circle 10 to the utmost point simultaneously, further guarantees the leakproofness between air inlet joint 6 and the air inlet hole 3, guarantees the normal use of midbody 1.
Be provided with two guide rings 5 in mesopore 2, both can increase the gaseous direction in the centering body 1 through two guide rings 5, increase gaseous flow rate, also can lead to the piston rod to a certain extent through the setting of guide ring 5, increase the life of sealing washer 4, moreover, be provided with in the air inlet through-hole 3 of the well body 1 and dismantle even air inlet connector 6, through dismantling the connection, make things convenient for the staff later stage to the maintenance of air inlet department on the centering body 1, the maintenance cost of the well body 1 has been reduced to a certain extent.
Claims (3)
1. The utility model provides a body in single mode that guidance quality is good, includes well body (1), offer well body (1) on well body (2) and offer the air inlet through-hole (3) on well body (1) of aluminium system, its characterized in that, still including set up in sealing washer (4) of well (2) bottom, set up in direction circle (5) in well (2) and can dismantle set up in air inlet connector (6) in air inlet through-hole (3), direction circle (5) are provided with two and the equipartition and arrange in well (2), and two direction circle (5) are located respectively the both sides of sealing washer (4), direction circle (5) material is iron or steel.
2. The single-mode midbody with good guidance quality as claimed in claim 1, wherein an inner thread is formed on the inner wall of the air inlet through hole (3), a first inclined surface (7) is formed on the inner wall of the through hole, a connecting block (8) which is in running fit with the air inlet joint (6) is sleeved outside the air inlet joint (6), a second inclined surface (9) which is matched with the first inclined surface (7) is formed on the outer wall of the air inlet joint (6), an outer thread which is matched with the inner thread is formed on the outer wall of the connecting block (8), and a rubber ring (10) is arranged at the joint of the connecting block (8) and the air inlet joint (6).
3. A well-guided single-mode midbody according to claim 2, wherein a rubber film (11) is fixed on the second inclined surface (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462931.0U CN213235877U (en) | 2020-07-22 | 2020-07-22 | Single-mode midbody with good guidance quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462931.0U CN213235877U (en) | 2020-07-22 | 2020-07-22 | Single-mode midbody with good guidance quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235877U true CN213235877U (en) | 2021-05-18 |
Family
ID=75889949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021462931.0U Active CN213235877U (en) | 2020-07-22 | 2020-07-22 | Single-mode midbody with good guidance quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235877U (en) |
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2020
- 2020-07-22 CN CN202021462931.0U patent/CN213235877U/en active Active
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