CN211042625U - Sealing detection device for framework oil seal - Google Patents
Sealing detection device for framework oil seal Download PDFInfo
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- CN211042625U CN211042625U CN201922346572.6U CN201922346572U CN211042625U CN 211042625 U CN211042625 U CN 211042625U CN 201922346572 U CN201922346572 U CN 201922346572U CN 211042625 U CN211042625 U CN 211042625U
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Abstract
The utility model relates to a sealed detection device of skeleton oil blanket relates to sealing member check out test set field, and it is simple, low price's sealed detection device's of skeleton oil blanket technical problem to have solved the lack test among the prior art. The testing part is divided into a pressure cavity and an atmosphere cavity, sealing grooves are arranged in the pressure cavity and the atmosphere cavity, and framework oil seals are arranged in the sealing grooves; the oil injection part is communicated with the testing part through a first pipeline, and liquid in the oil tank is injected into the pressure cavity through the oil injection part; wherein, a piston used for sealing the inner ring of the framework oil seal is arranged in the testing part; the end of the test section is fitted with a guard to limit the movement of the piston. The device has the advantages of simple operation, simple overall structure, low cost and convenient popularization and application.
Description
Technical Field
The utility model relates to a sealing member check out test set technical field, in particular to sealed detection device of skeleton oil blanket.
Background
The framework oil seal is a typical representative of oil seals, generally speaking, the oil seal refers to the framework oil seal and is widely applied to industries such as aviation, automobiles, motorcycles, railways, vehicles, ships, household appliances, engineering machinery and the like. The oil seal generally serves to isolate the components to be lubricated from the output components, so as not to allow the lubricating oil to leak. The framework acts as a reinforcement for the steel bars inside the concrete member and allows the oil seal to maintain shape and tension. According to the structural form, the single-lip framework oil seal and the double-lip framework oil seal can be separated. The auxiliary lip of the double-lip framework oil seal plays a dustproof role, and prevents external dust, impurities and the like from entering the machine. The framework type oil seal can be divided into an inner-wrapped framework oil seal, an exposed framework oil seal and an assembled oil seal. The oil seal can be divided into a rotary framework oil seal and a reciprocating framework oil seal according to working conditions, and is used for parts such as gasoline engine crankshafts, diesel engine crankshafts, gearboxes, differentials, shock absorbers, engines, axles and the like.
Among the prior art, sealing member production back that finishes, whether the skeleton oil blanket after the quality testing department often judges production is qualified through the outward appearance, but the sealing performance of skeleton oil blanket can't detect yet, and the user has directly used for a lot of situations, and some producers have the sealed check out test set of skeleton oil blanket, but equipment price is high, and the prevalence is not high, and a test is simple, and the sealed detection device of low price skeleton oil blanket needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is simple to solve the lack test among the prior art, and the low price's sealed detection device's of skeleton oil blanket technical problem provides a sealed detection device of skeleton oil blanket.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
a sealing detection device for a framework oil seal comprises:
the testing part is internally divided into a pressure cavity and an atmosphere cavity, sealing grooves are formed in the pressure cavity and the atmosphere cavity, and framework oil seals are arranged in the sealing grooves;
the oil injection part is communicated with the testing part through a first pipeline, and liquid in the oil tank is injected into the pressure cavity through the oil injection part;
wherein, a piston used for sealing the inner ring of the framework oil seal is arranged in the testing part;
the end of the test section is fitted with a guard to limit the movement of the piston.
Further, the test section includes:
the testing cylinder is placed on the testing platform, the interior of the testing cylinder is divided into a pressure cavity and an atmosphere cavity, a sealing groove is arranged between the pressure cavity and the atmosphere cavity, and a framework oil seal is arranged in the sealing groove;
the first baffle is detachably arranged on the end face of the sealing groove and used for limiting the movement of the framework oil seal;
the piston sequentially passes through the atmospheric air cavity and the pressure cavity and is attached to the bottom of the pressure cavity, the piston is used for sealing the inner ring of the framework oil seal, and the end part of the piston is provided with an introduction angle;
the detection hole is communicated with the pressure cavity and is arranged on the wall of the testing cylinder, and the detection hole is fixedly connected with the pressure gauge;
the oil filling hole is communicated with the pressure cavity and is arranged on the wall of the testing cylinder, a first one-way valve is arranged at the oil filling hole, and the first one-way valve is communicated with the oil filling part through a first pipeline;
wherein the atmosphere cavity is communicated with the outside atmosphere.
Further, the oiling portion includes:
the mounting plate is fixedly connected with the external frame;
the oil filling cylinder is fixedly arranged at one end above the mounting plate, an oil filling cavity is formed inside the oil filling cylinder, an oil suction port is formed in the wall of the oil filling cylinder and communicated with the oil filling cavity, a second one-way valve is arranged at the oil suction port, an oil outlet is formed in the bottom of the oil filling cylinder and communicated with the oil filling cavity, and the oil outlet is communicated with the first one-way valve through a first pipeline;
the oil tank is filled with liquid and is communicated with the second one-way valve through a second pipeline;
and the oil injection cylinder is fixedly arranged at the other end above the mounting plate, and a piston of the oil injection cylinder is in sliding seal with the oil injection cavity.
Further, the guard device includes:
the second baffle is arranged outside the atmospheric cavity on the test cylinder, and a sleeve is arranged between the second baffle and the test cylinder;
and the fastening screw penetrates through the sleeve and is fixedly connected with the end face of the testing cylinder, and the sleeve is used for controlling the distance between the baffle and the testing cylinder.
The utility model discloses following beneficial effect has:
the utility model discloses a sealed detection device of skeleton oil blanket through setting up test portion and oiling portion, can press to test portion intermittent type nature to the pressure condition of pressure chamber is read to the reading through the manometer, the leakproofness that can audio-visual detection skeleton oil blanket, easy operation, overall structure is simple, and is with low costs, convenient popularization and application.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a sealing detection device for a framework oil seal according to the present invention;
fig. 2 is the utility model discloses a skeleton oil blanket's sealed detection device's schematic diagram of structural principle.
The reference numerals in the figures denote:
1. a test section; 101. a test cartridge; 102. a pressure chamber; 103. an atmospheric cavity; 104. a first baffle plate; 105. framework oil seal; 106. a pressure gauge; 107. a first check valve; 108. a first pipeline; 109. a piston; 110. a lead-in angle; 2. an oiling part; 201. mounting a plate; 202. an oil injection cylinder; 203. an oil filling cylinder; 204. an oil injection cavity; 205. an oil outlet; 206. a second one-way valve; 207. a second pipeline; 208. an oil tank; 3. a guard; 301. a second baffle plate; 302. a sleeve; 303. and (5) fastening the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a sealing detection device for a framework oil seal includes:
the testing part 1 is divided into a pressure cavity 102 and an atmosphere cavity 103 in the testing part 1, sealing grooves are arranged in the pressure cavity 102 and the atmosphere cavity 103, and framework oil seals 105 are arranged in the sealing grooves;
the oil filling part 2 is communicated with the testing part 1 through a first pipeline 108, and the liquid in the oil tank 208 is filled into the pressure cavity 102 through the oil filling part 2;
wherein, a piston 109 is arranged in the testing part 1, and the piston 109 is used for sealing the inner ring of the framework oil seal 105;
the end of the test section 2 is fitted with a guard 3 that limits the movement of the piston 109.
The working principle is as follows: the tested framework oil seal 105 is arranged in the testing part 1, liquid in the oil tank 208 is injected into the pressure cavity 102 through the oil injection part 2, the pressure state in the testing part 1 is observed, if the pressure of the pressure cavity 102 in the testing part 1 is kept unchanged, the tested framework oil seal 105 is good in performance, and if the pressure of the pressure cavity 102 in the testing part 1 is reduced, the tested framework oil seal 105 cannot meet the requirement in sealing performance; when oil is filled into the pressure cavity 102, the pressure in the pressure cavity 102 is increased, the piston 109 may be separated from the testing part 1, and by arranging the protection device 3, when the piston 109 moves to a certain position, the piston 109 contacts with the protection device 3, the protection device 3 limits the further movement of the piston 109, so that the piston 109 is prevented from being extruded by the pressure oil to hurt people, and the pressure oil in the pressure cavity 102 is also prevented from penetrating out to pollute an experiment table or spray nearby equipment.
The test section 1 includes:
the testing device comprises a testing cylinder 101, wherein the testing cylinder 101 is placed on a testing platform, the interior of the testing cylinder 101 is divided into a pressure cavity 102 and an atmosphere cavity 103, a sealing groove is arranged between the pressure cavity 102 and the atmosphere cavity 103, and a framework oil seal 105 is arranged in the sealing groove;
the first baffle plate 104 is detachably arranged on the end face of the seal groove and used for limiting the movement of the framework oil seal 105;
the piston 109 sequentially penetrates through the atmospheric air cavity 103 and the pressure cavity 102 and is attached to the bottom of the pressure cavity 102, the piston 109 is used for sealing the inner ring of the framework oil seal 105, and the end part of the piston 109 is provided with an introduction angle 110;
the detection hole is communicated with the pressure cavity 102 and is arranged on the wall of the testing cylinder 101, and the detection hole is fixedly connected with the pressure gauge 106;
the oil filling hole is communicated with the pressure cavity 102 and is arranged on the wall of the testing cylinder 101, a first one-way valve 107 is arranged at the oil filling hole, and the first one-way valve 107 is communicated with the oil filling part 2 through a first pipeline 108;
wherein the atmosphere cavity 103 is in communication with the outside atmosphere.
The working principle is as follows: the framework oil seal 105 to be tested is arranged on the seal groove, then the framework oil seal 105 is covered by the first baffle plate 104, the first baffle plate 104 is fixed, oil in the oil injection part 2 enters the pressure cavity 102 through the first pipeline 108 through the first check valve 107 until the oil injection part is full, when the oil in the oil injection part 2 is injected continuously, the pressure in the pressure cavity 102 is increased, the pressure value can be read from the pressure gauge 106, the pressure value in the pressure cavity 102 is controlled to be the set pressure of the framework oil seal 105, the change of the pressure gauge 106 is observed within a certain time, and if the pressure gauge 106 is not changed, the sealing performance of the framework oil seal 105 is qualified; if the indication value of the pressure gauge 106 becomes low, the skeleton oil seal 105 leaks oil, the sealing performance is poor, and the requirement cannot be met; the first baffle plate 104 is arranged to facilitate mounting and dismounting of the framework oil seal 105, the framework oil seal 105 is only required to be placed on the seal groove during mounting, and then the first baffle plate 104 is used for covering and fixing, and when the first baffle plate 104 is dismounted during dismounting, the framework oil seal 105 can be directly taken out; the end part of the piston 109 is provided with an introduction angle 110, the piston 109 is installed after the framework oil seal 105 is installed, the introduction angle 110 is firstly contacted with the framework oil seal 105, and the introduction angle 110 is arranged, so that the piston 109 can be prevented from scratching the framework oil seal 105, and the test reliability is ensured; the first check valve 107 can ensure that the pressure oil in the pressure chamber 102 cannot enter the first pipeline 108, namely, the pressure oil in the pressure chamber 102 cannot flow back, the pressure in the pressure chamber 102 is ensured to be stable, if oil leakage occurs, the oil leakage can only leak from the framework oil seal 105 and cannot leak from the first check valve 107, namely, error points can be reduced; the atmosphere cavity 103 is communicated with the outside atmosphere, and the test cylinder 101 has no other redundant structures, has simple structure and low cost, and can also achieve the test purpose.
Oiling portion 2 includes:
the mounting plate 201, the mounting plate 201 is fixedly connected with the external frame;
the oil filling cylinder 203 is fixedly arranged at one end above the mounting plate 201, an oil filling cavity 204 is formed inside the oil filling cylinder 203, an oil suction port is formed in the wall of the oil filling cylinder 203 and communicated with the oil filling cavity 204, a second one-way valve 206 is arranged at the oil suction port, an oil outlet 205 is formed in the bottom of the oil filling cylinder 203, the oil outlet 205 is communicated with the oil filling cavity 204, and the oil outlet 205 is communicated with the first one-way valve 107 through a first pipeline 108;
the oil tank 208 is filled with liquid, and the oil tank 208 is communicated with the second one-way valve 206 through a second pipeline 207;
and the oil injection cylinder 202 is fixedly arranged at the other end above the mounting plate 201, and a piston of the oil injection cylinder 202 is in sliding seal with the oil injection cavity 204.
The working principle is as follows: when the piston of the oil injection cylinder 202 moves backwards, the pressure in the oil injection cavity 204 is reduced, oil in the oil tank 208 enters the oil injection cavity 204 through the second one-way valve 206 through the second pipeline 207, when the piston of the oil injection cylinder 202 moves forwards, the pressure in the oil injection cavity 204 is increased, the oil in the oil injection cavity 204 enters the pressure cavity 102 through the oil outlet 205, the first pipeline 108 and the first one-way valve 107, so that the pressure cavity 102 is filled with oil repeatedly, when the oil injection cylinder 202 continues to inject oil into the pressure cavity 102, the pressure in the pressure cavity 102 is increased until the set pressure of the tested framework oil seal 105, the oil injection cylinder 202 is kept unchanged, the pressure in the pressure cavity 102 is kept unchanged, the change of the pressure gauge 106 is observed at the set time, and if the pressure gauge 106 is not changed, the sealing performance of the framework oil seal 105 is qualified; if the indication value of the pressure gauge 106 becomes low, the skeleton oil seal 105 leaks oil, the sealing performance is poor, and the requirement cannot be met. The second check valve 206 prevents the oil in the oil filling chamber 204 from entering the oil tank 208, and ensures that the pressure oil in the oil tank 208 moves in a specified direction. The mounting plate 201 can make the force applied by the oil injection cylinder 202 to the oil injection cylinder 203 be an internal force, that is, the oil injection cylinder 202 and the oil injection cylinder 203 cannot be separated when the oil injection cylinder 202 injects oil.
The guard 3 includes:
the second baffle 301, the second baffle 301 is arranged outside the atmosphere cavity 103 on the test cylinder 101, and a sleeve 302 is arranged between the second baffle 301 and the test cylinder 101;
and a fastening screw 303, wherein the fastening screw 303 penetrates through the sleeve 302 and is fixedly connected with the end face of the test cylinder 101, and the sleeve 302 is used for controlling the distance between the baffle plate two 301 and the test cylinder 101.
The working principle is as follows: when oil is filled into the pressure cavity 102, the pressure in the pressure cavity 102 is increased, the piston 109 may be separated from the test cylinder 101, and by arranging the second baffle 301, when the piston 109 moves to a certain position, the piston 109 contacts with the second baffle 301, and the second baffle 301 limits the further movement of the piston 109, so that the piston 109 is prevented from being extruded by the pressure oil to hurt people, and the pressure oil in the pressure cavity 102 is also prevented from penetrating out to pollute an experiment table or spray nearby equipment.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (4)
1. The utility model provides a sealed detection device of skeleton oil blanket which characterized in that includes:
the testing device comprises a testing part (1), wherein the inside of the testing part (1) is divided into a pressure cavity (102) and an atmosphere cavity (103), sealing grooves are arranged in the pressure cavity (102) and the atmosphere cavity (103), and framework oil seals (105) are arranged in the sealing grooves;
the oil filling part (2), the oil filling part (2) is communicated with the testing part (1) through a first pipeline (108), and liquid in the oil tank (208) is filled into the pressure cavity (102) through the oil filling part (2);
wherein, a piston (109) used for sealing the inner ring of the framework oil seal (105) is arranged in the testing part (1);
and a protective device (3) for limiting the movement of the piston (109) is arranged at the end part of the testing part (1).
2. The seal detection device for a framework oil seal according to claim 1, wherein the test section (1) comprises:
the testing device comprises a testing cylinder (101), wherein the testing cylinder (101) is placed on a testing platform, the interior of the testing cylinder (101) is divided into a pressure cavity (102) and an atmosphere cavity (103), a sealing groove is arranged between the pressure cavity (102) and the atmosphere cavity (103), and a framework oil seal (105) is installed in the sealing groove;
the first baffle (104), the first baffle (104) is detachably arranged on the end face of the sealing groove and is used for limiting the movement of the framework oil seal (105);
the piston (109) sequentially penetrates through the atmospheric air cavity (103) and the pressure cavity (102) and is attached to the bottom of the pressure cavity (102), the piston (109) is used for sealing an inner ring of the framework oil seal (105), and an introduction angle (110) is arranged at the end part of the piston (109);
the detection hole is communicated with the pressure cavity (102) and is arranged on the wall of the testing cylinder (101), and the detection hole is fixedly connected with the pressure gauge (106);
the oil filling hole is communicated with the pressure cavity (102) and arranged on the wall of the testing cylinder (101), a first one-way valve (107) is installed at the oil filling hole, and the first one-way valve (107) is communicated with the oil filling part (2) through a first pipeline (108);
wherein the atmosphere cavity (103) is communicated with the outside atmosphere.
3. The seal detection device for a framework oil seal according to claim 2, wherein the oil injection portion (2) comprises:
the mounting plate (201), the said mounting plate (201) is fixedly connected with external frame;
the oil filling cylinder (203), the oil filling cylinder (203) is fixedly installed at one end above the installation plate (201), an oil filling cavity (204) is formed inside the oil filling cylinder (203), an oil suction port is formed in the wall of the oil filling cylinder (203), the oil suction port is communicated with the oil filling cavity (204), a second one-way valve (206) is installed at the oil suction port, an oil outlet (205) is formed in the bottom of the oil filling cylinder (203), the oil outlet (205) is communicated with the oil filling cavity (204), and the oil outlet (205) is communicated with the first one-way valve (107) through a first pipeline (108);
the oil tank (208) is filled with liquid, and the oil tank (208) is communicated with the second one-way valve (206) through a second pipeline (207);
the oil injection cylinder (202) is fixedly arranged at the other end above the mounting plate (201), and a piston of the oil injection cylinder (202) is in sliding seal with the oil injection cavity (204).
4. The seal detection device for a framework oil seal as claimed in claim 2, wherein said protection device (3) comprises:
the second baffle (301), the second baffle (301) is arranged outside the atmosphere cavity (103) on the test cylinder (101), and a sleeve (302) is arranged between the second baffle (301) and the test cylinder (101);
and the fastening screw (303) penetrates through the sleeve (302) and is fixedly connected with the end face of the test cylinder (101), and the sleeve (302) is used for controlling the distance between the second baffle plate (301) and the test cylinder (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346572.6U CN211042625U (en) | 2019-12-24 | 2019-12-24 | Sealing detection device for framework oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346572.6U CN211042625U (en) | 2019-12-24 | 2019-12-24 | Sealing detection device for framework oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042625U true CN211042625U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346572.6U Expired - Fee Related CN211042625U (en) | 2019-12-24 | 2019-12-24 | Sealing detection device for framework oil seal |
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| Country | Link |
|---|---|
| CN (1) | CN211042625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900573A (en) * | 2020-08-04 | 2020-11-06 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
-
2019
- 2019-12-24 CN CN201922346572.6U patent/CN211042625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900573A (en) * | 2020-08-04 | 2020-11-06 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
| CN111900573B (en) * | 2020-08-04 | 2021-07-23 | 同济大学 | Photoelectric separation connection cavity of ocean photoelectric composite cable and sealing detection method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |