CN218330446U - Oil pump body gas tightness check out test set - Google Patents
Oil pump body gas tightness check out test set Download PDFInfo
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- CN218330446U CN218330446U CN202222794455.8U CN202222794455U CN218330446U CN 218330446 U CN218330446 U CN 218330446U CN 202222794455 U CN202222794455 U CN 202222794455U CN 218330446 U CN218330446 U CN 218330446U
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Abstract
The utility model relates to the technical field of oil pump body air tightness detection, in particular to an oil pump body air tightness detection device, which comprises a frame body, wherein a lower die base is arranged on the frame body, a lower die cavity is arranged on the upper end surface of the lower die base, an air inlet hole is arranged on one side of the lower die base, the inner end of the air inlet hole is communicated with the lower die cavity, and the outer end of the air inlet hole is used for being connected with an air inlet pipe of an air supply part structure; the lower pump cover on the pump body to be detected and the lower end of the outer shell can extend into and be matched with the lower die cavity, the upper end surface of the lower die holder is provided with a positioning pin and can correspondingly extend into a connecting hole formed in a convex block on the outer shell so as to limit the horizontal angle of the pump body, and a connecting port on the lower pump cover can be connected with the inner end of the air inlet hole; an upper die base is arranged above the lower die base, and an upper die cavity is arranged on the lower end surface of the upper die base. The utility model has the characteristics of structural design is simple reasonable, can make things convenient for the operation more and accomplish oil pump body gas tightness and detect, and oil pump body gas tightness detects more reliably.
Description
Technical Field
The utility model relates to an oil pump body gas tightness detects technical field, especially relates to an oil pump body gas tightness check out test set.
Background
The oil pump is a light and compact pump, and has three major types, i.e., an in-line type, a distribution type and a single type. The oil pump can be operated only by a power source, and a camshaft at the lower part of the oil pump is driven by a crankshaft gear of an engine. The oil pump comprises an external pump body and an internal moving component, and during machining and manufacturing of the oil pump, the pump body needs to be subjected to air tightness detection to ensure the working reliability of the oil pump.
As shown in fig. 9, a pump body structure of an oil pump includes an outer casing, and an upper pump cover and a lower pump cover which are disposed at upper and lower ends of the outer casing, wherein the outer casing, the upper pump cover and the lower pump cover are respectively disposed in a sealing manner, and a connection port is disposed on one side of the lower pump cover and can be communicated with the inside of the outer casing. The outer circumference surface of the axial middle position of the outer shell horizontally protrudes outwards to form a convex block, and the convex block is provided with a connecting hole. The performance of the oil pump is related to the air tightness of the pump body, so that the detection of the air tightness of the pump body is necessary.
Therefore, how to provide a structural design is simple reasonable, can conveniently operate more and accomplish oil pump body gas tightness and detect, and oil pump body gas tightness detects more reliable oil pump body gas tightness check out test set, becomes the technical problem that technical personnel in the field remain to be solved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that how to provide a structural design is simple reasonable, can conveniently operate more and accomplish oil pump body gas tightness and detect, and oil pump body gas tightness detects more reliable oil pump body gas tightness check out test set.
In order to achieve the purpose, the utility model provides an oil pump body air tightness detection device, which comprises a frame body and is characterized in that a lower die holder is arranged on the frame body, a lower die cavity is arranged on the upper end surface of the lower die holder, an air inlet hole is arranged on one side of the lower die holder, the inner end of the air inlet hole is communicated with the lower die cavity, and the outer end of the air inlet hole is used for being connected with an air inlet pipe of an air supply part structure; the lower pump cover on the pump body to be detected and the lower end of the outer shell can extend into and be matched with the lower die cavity, the upper end surface of the lower die holder is provided with a positioning pin and can correspondingly extend into a connecting hole formed in a convex block on the outer shell so as to limit the horizontal angle of the pump body, and a connecting port on the lower pump cover can be connected with the inner end of the air inlet hole; be equipped with the upper die base above the lower die base, the terminal surface is equipped with the die cavity under the upper die base, and is equipped with the vertical mobility control mechanism of upper die base between support body and upper die base in order being used for controlling the upper die base downstream to make and wait to detect the upper pump cover on the pump body and the corresponding upper end of shell body stretch into the die cavity, and paste mutually between upper die base and the lower die base and seal.
Thus, when the oil pump body airtightness detection equipment is used for detecting the airtightness of the oil pump body, the pump body to be detected is correspondingly placed and matched in a lower die cavity of a lower die base, so that a lower pump cover on the pump body to be detected and the lower end of an outer shell can extend into and be matched in the lower die cavity, a positioning pin on the upper end surface of the lower die base correspondingly extends into a connecting hole of a convex block on the outer shell to limit the horizontal angle of the pump body, and a connecting port on the lower pump cover is connected with the inner end of an air inlet; then, the upper die base vertically moves the control mechanism to control the upper die base to move downwards, so that the upper pump cover on the pump body to be detected and the upper end of the outer shell correspondingly extend into the upper die cavity, and the upper die base and the lower die base are sealed in a sticking manner; the air supply part structure supplies air to the pump body to be detected through the air inlet hole and completes detection. And after the detection is finished, the upper die base and the lower die base are separated, and the pump body after the detection is finished is taken out. The equipment has the characteristics of simple structural design and capability of more conveniently operating and completing the air tightness detection of the oil pump body.
As an optimization, the frame body comprises a supporting plate with the upper end horizontally arranged, and the lower die holder is arranged on the supporting plate; and the lower die seats are two in longitudinal arrangement along the support plate at intervals.
Like this, structural configuration is more reasonable, reduces the downtime latency, improves detection efficiency.
As optimization, a circle of annular mounting groove is formed in the upper surface of the upper die base, and a first sealing ring is arranged in the mounting groove.
Like this, through setting up first sealing washer, can make upper die base and die holder paste mutually sealed more reliably.
Preferably, two placing grooves are formed in the outer circumferential surface of the lower end of the outer shell on the pump body, second sealing rings are respectively arranged in the placing grooves, and the second sealing rings can be respectively attached to and supported on the inner circumferential wall of the lower die cavity after the lower pump cover on the pump body and the lower end of the outer shell extend into and are matched with the lower die cavity.
In this way, the second seal ring can be provided, thereby improving the reliability of detection.
And optimally, positioning holes are respectively arranged on the upper end surfaces of the lower die bases, and the positioning pins are arranged in the positioning holes.
Thus, the positioning pin is more convenient to install and replace.
As the optimization, be provided with the safety cover in support body upper end, the front side of safety cover is uncovered setting in order to form the work piece and gets and put the operation mouth.
Like this, through the design safety cover, can protect equipment, protection operating personnel's that can also be better operation safety.
As optimization, the upper die base and the lower die base are designed to be in a circular truncated cone shape.
Therefore, the structural design of the upper die base and the lower die base is simpler and more reasonable.
Preferably, the frame body is further provided with a lower mounting plate, the lower die base is arranged above the lower mounting plate, the four corner positions above the lower mounting plate are respectively connected and fixed with supporting rods which are vertically arranged upwards, and an upper mounting plate is connected and fixed between the upper ends of the four supporting rods; the upper die base vertical movement control mechanism comprises an upper die base vertical guide part structure arranged between an upper mounting plate and an upper die base vertical driving part structure arranged between the upper mounting plate and the upper die base.
Like this, the structural design of support body is simpler, and easy to assemble arranges more.
Preferably, a horizontal connecting plate is connected and arranged on the upper end face of the upper die base, the vertical guiding part structure of the upper die base comprises guide rods which are vertically upwards connected and fixed on the connecting plate and are arranged in pairs left and right, fixing holes are formed in the upper mounting plate and correspond to the guide rods, guide sleeves are arranged in the fixing holes, and the guide rods are arranged in the guide sleeves in a matched mode.
Therefore, the structural design of the vertical guide part of the upper die base is simpler and more reasonable.
Preferably, the vertical driving part structure of the upper die base comprises a driving cylinder arranged on an installing plate, and the piston rod end of the driving cylinder downwards penetrates through a yielding hole formed in the upper installing plate and is connected with the connecting plate.
Like this, adopt and drive actuating cylinder drive, structural design is simple more reasonable.
To sum up, the oil pump body gas tightness check out test set of above-mentioned structure has that structural design is simple reasonable, can make things convenient for the operation more and accomplish oil pump body gas tightness and detect, and oil pump body gas tightness detects more reliable characteristics.
Drawings
Fig. 1 is a schematic structural diagram of an oil pump body airtightness detection apparatus according to an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic view of the upper and lower die holder portions of fig. 1.
Fig. 4 is a schematic view of the structure of fig. 3 rotated by an angle, in which the pump body is not shown.
Fig. 5 is a front view of fig. 3.
Fig. 6 is a top view of fig. 3.
Fig. 7 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 6.
Fig. 8 is a partially enlarged schematic view of a B position in fig. 7.
Fig. 9 is a schematic view of the structure of the pump body to be tested in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, and it should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore, should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 9, an oil pump body airtightness detection apparatus includes a frame body 1, a lower die base 2 is provided on the frame body, a lower die cavity is provided on an upper end surface of the lower die base, an air inlet hole 3 is provided on one side of the lower die base, an inner end of the air inlet hole is communicated with the lower die cavity, and an outer end of the air inlet hole is used for connecting with an air inlet pipe provided in an air supply part structure; the lower ends of a lower pump cover 5 and an outer shell 6 on the pump body 4 to be detected can extend into and be matched with the lower die cavity, the upper end face of the lower die base is provided with a positioning pin 7 and can correspondingly extend into a connecting hole formed in a convex block on the outer shell so as to limit the horizontal angle of the pump body, and a connecting port on the lower pump cover can be connected with the inner end of an air inlet; be equipped with upper die base 8 above the lower die base, the terminal surface is equipped with the die cavity under the upper die base, and is equipped with the vertical mobility control mechanism of upper die base between support body and upper die base in order to be used for controlling the upper die base downstream to make and wait that the correspondence of upper pump cover 9 and the shell body upper end on the detection pump body stretches into the die cavity, and pastes mutually between upper die base and the lower die base sealedly.
Thus, when the oil pump body airtightness detection equipment is used for detecting the airtightness of the oil pump body, the pump body to be detected is correspondingly placed and matched in the lower die cavity of the lower die base, so that the lower pump cover on the pump body to be detected and the lower end of the outer shell can extend into and be matched in the lower die cavity, and the positioning pin on the upper end surface of the lower die base correspondingly extends into the connecting hole of the lug on the outer shell to limit the horizontal angle of the pump body, so that the connecting port on the lower pump cover is connected with the inner end of the air inlet; then, the upper die base vertically moves the control mechanism to control the upper die base to move downwards, so that the upper pump cover on the pump body to be detected and the upper end of the outer shell correspondingly extend into the upper die cavity, and the upper die base and the lower die base are attached and sealed; the gas supply part structure supplies gas to the pump body to be detected through the gas inlet hole and completes detection. And after the detection is finished, the upper die base and the lower die base are separated, and the pump body after the detection is finished is taken out. The equipment has the characteristics of simple structural design and capability of more conveniently operating and completing the air tightness detection of the oil pump body.
In the specific embodiment, the frame body comprises a support plate 10 with the upper end horizontally arranged, and the lower die holder is arranged on the support plate; and the lower die seats are two in longitudinal arrangement along the support plate at intervals.
Like this, structural layout is more reasonable, reduces the downtime latency, improves detection efficiency.
In this embodiment, a ring-shaped mounting groove is formed in the upper surface of the upper die base, and a first sealing ring 11 is disposed in the mounting groove.
Like this, through setting up first sealing washer, can make upper die base and lower die base paste sealed more reliably mutually.
In the embodiment, two placing grooves are formed in the outer circumferential surface of the lower end of the outer shell on the pump body, second sealing rings 12 are respectively arranged in the placing grooves, and the second sealing rings can be respectively attached to and supported on the inner circumferential wall of the lower die cavity after the lower pump cover on the pump body and the lower end of the outer shell extend into and are matched with the lower die cavity.
In this way, the second seal ring can improve the reliability of detection.
In this specific embodiment, the upper end surfaces of the lower die holders are respectively provided with a positioning hole, and the positioning pin is arranged in the positioning hole.
Thus, the positioning pin is more convenient to install and replace.
In the present embodiment, a protective cover 13 is disposed at the upper end of the frame body, and the front side of the protective cover is open to form a workpiece pick-and-place operation opening.
Like this, through the design safety cover, can protect equipment, protection operating personnel's that also can be better operation safety.
In the specific embodiment, the upper die base and the lower die base are designed to be in a circular truncated cone-shaped structure.
Therefore, the structural design of the upper die base and the lower die base is simpler and more reasonable.
In the specific embodiment, a lower mounting plate 14 is further arranged on the frame body, the lower die holder is arranged above the lower mounting plate, supporting rods 15 which are vertically and upwardly arranged are respectively connected and fixed at four corner positions above the lower mounting plate, and an upper mounting plate 16 is connected and fixed between the upper ends of the four supporting rods; the upper die base vertical movement control mechanism comprises an upper die base vertical guide part structure arranged between an upper mounting plate and an upper die base vertical driving part structure arranged between the upper mounting plate and the upper die base.
Like this, the structural design of support body is simpler, and easy to assemble arranges more.
In the specific embodiment, a horizontal connecting plate 17 is connected and arranged on the upper end face of the upper die base, the vertical guiding part structure of the upper die base comprises guide rods 18 which are vertically and upwards connected and fixed on the connecting plate and are arranged in pairs left and right, fixing holes are formed in the upper mounting plate and correspond to the guide rods, guide sleeves 19 are arranged in the fixing holes, and the guide rods are arranged in the guide sleeves in a matched mode.
Therefore, the structural design of the vertical guide part of the upper die base is simpler and more reasonable.
In this embodiment, the vertical driving part structure of the upper die base comprises a driving cylinder 20 installed on the mounting plate, and the piston rod end of the driving cylinder passes through the yielding hole on the upper mounting plate and is connected with the connecting plate.
Like this, adopt and drive actuating cylinder drive, structural design is simple more reasonable.
To sum up, the oil pump body gas tightness check out test set of above-mentioned structure has that structural design is simple reasonable, can make things convenient for the operation more and accomplish oil pump body gas tightness and detect, and oil pump body gas tightness detects more reliable characteristics.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the principles of this invention without the use of inventive faculty. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.
Claims (10)
1. The equipment for detecting the air tightness of the pump body of the oil pump comprises a frame body and is characterized in that a lower die base is arranged on the frame body, a lower die cavity is arranged on the upper end face of the lower die base, an air inlet hole is formed in one side of the lower die base, the inner end of the air inlet hole is communicated with the lower die cavity, and the outer end of the air inlet hole is used for being connected with an air inlet pipe of an air supply part structure; the lower pump cover on the pump body to be detected and the lower end of the outer shell can extend into and match the lower die cavity, the upper end face of the lower die holder is provided with a positioning pin and can correspondingly extend into a connecting hole of a convex block on the outer shell so as to limit the horizontal angle of the pump body, and a connecting port on the lower pump cover can be connected with the inner end of the air inlet; be equipped with the upper die base above the lower die base, the terminal surface is equipped with the die cavity under the upper die base, and is equipped with the vertical mobility control mechanism of upper die base between support body and upper die base in order being used for controlling the upper die base downstream to make and wait to detect the upper pump cover on the pump body and the corresponding upper end of shell body stretch into the die cavity, and paste mutually between upper die base and the lower die base and seal.
2. The oil pump body airtightness detection apparatus according to claim 1, wherein: the frame body comprises a supporting plate with the upper end horizontally arranged, and the lower die holder is arranged on the supporting plate; and the lower die seats are two in longitudinal arrangement along the support plate at intervals.
3. The oil pump body airtightness detection apparatus according to claim 1, wherein: a circle of annular mounting groove is formed in the upper surface of the upper die base, and a first sealing ring is arranged in the mounting groove.
4. The oil pump body airtightness detection apparatus according to claim 3, wherein: two placing grooves are formed in the outer circumferential surface of the lower end of the outer shell on the pump body, second sealing rings are respectively arranged in the placing grooves, and the second sealing rings can be respectively attached to and supported on the inner circumferential wall of the lower die cavity after the lower pump cover on the pump body and the lower end of the outer shell stretch into and are matched with the lower die cavity.
5. The oil pump body airtightness detection apparatus according to claim 1, wherein: the upper end surfaces of the lower die seats are respectively provided with a positioning hole, and the positioning pins are arranged in the positioning holes.
6. The oil pump body airtightness detection apparatus according to claim 1, characterized in that: a protective cover is arranged at the upper end of the frame body, and the front side of the protective cover is arranged in an open mode to form a workpiece taking and placing operation opening.
7. The oil pump body airtightness detection apparatus according to claim 1, wherein: the upper die base and the lower die base are designed to be in a circular truncated cone shape.
8. The oil pump body airtightness detection apparatus according to claim 1, wherein: the frame body is also provided with a lower mounting plate, the lower die base is arranged above the lower mounting plate, four corner positions above the lower mounting plate are respectively fixedly connected with a supporting rod which is vertically and upwardly arranged, and an upper mounting plate is fixedly connected between the upper ends of the four supporting rods; the upper die base vertical movement control mechanism comprises an upper die base vertical guide part structure arranged between an upper mounting plate and an upper die base vertical driving part structure arranged between the upper mounting plate and the upper die base.
9. The oil pump body airtightness detection apparatus according to claim 8, wherein: the upper die base is characterized in that a horizontal connecting plate is connected and arranged on the upper end face of the upper die base, the vertical guiding part structure of the upper die base comprises guide rods which are vertically connected and fixed to the connecting plate in an upward mode and are arranged in pairs left and right, fixing holes are formed in the upper mounting plate and correspond to the guide rods, guide sleeves are arranged in the fixing holes, and the guide rods are arranged in the guide sleeves in a matched mode.
10. The oil pump body airtightness detection apparatus according to claim 9, wherein: the vertical driving part structure of the upper die base comprises a driving cylinder arranged on a mounting plate, and a piston rod end of the driving cylinder downwards penetrates through a yielding hole formed in the upper mounting plate and is connected with the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794455.8U CN218330446U (en) | 2022-10-21 | 2022-10-21 | Oil pump body gas tightness check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794455.8U CN218330446U (en) | 2022-10-21 | 2022-10-21 | Oil pump body gas tightness check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218330446U true CN218330446U (en) | 2023-01-17 |
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ID=84825420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222794455.8U Active CN218330446U (en) | 2022-10-21 | 2022-10-21 | Oil pump body gas tightness check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218330446U (en) |
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2022
- 2022-10-21 CN CN202222794455.8U patent/CN218330446U/en active Active
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