CN217177564U - Self-closing valve for antifreeze solution of engine test trolley - Google Patents
Self-closing valve for antifreeze solution of engine test trolley Download PDFInfo
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- CN217177564U CN217177564U CN202122419692.1U CN202122419692U CN217177564U CN 217177564 U CN217177564 U CN 217177564U CN 202122419692 U CN202122419692 U CN 202122419692U CN 217177564 U CN217177564 U CN 217177564U
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Abstract
The utility model belongs to the technical field of engine testing, and relates to a self-closing valve for antifreeze solution of an engine testing trolley, which comprises a valve body and a valve core mechanism; the valve body is an integrated structure comprising a small-diameter ring body and a large-diameter ring body; an annular push rod seat is arranged in the small-diameter ring body; a circular groove is arranged in the large-diameter ring body; the valve core mechanism comprises a valve core, a push plate and a guide rod; the guide rod is inserted in the annular push rod seat, one end of the guide rod is connected with the push plate, and the other end of the guide rod is connected with the valve core; a pressure spring is arranged on the guide rod and is arranged between the push plate and the annular push rod seat; the utility model discloses an adopt and to promote formula valve core mechanism to set up the pressure spring, realized that the self-closing valve case is after losing the bulldozing force, test dolly and rack butt-joint plate separation back promptly, self-closing has guaranteed that antifreeze can not spill, improves environmental pollution, reduces the slip and fall down the risk.
Description
Technical Field
The utility model relates to a self-closing valve especially relates to an engine test dolly is self-closing valve for antifreeze solution, belongs to engine test technical field.
Background
In the existing engine testing process, when the tested engine is finished and separated from the rack, residual anti-freezing solution which is not completely blown in the engine leaks into a liquid collecting tank of the testing trolley, and when the anti-freezing solution in the liquid collecting tank is stored to a half or a full tank, the testing trolley running on a roller way splashes the anti-freezing solution onto the roller way or the ground under the action of inertia, so that the ground is polluted, and personnel slip and fall down.
In addition, the splashed anti-freezing solution is wasted, so that the normal production can be maintained only by periodically purchasing and supplementing new anti-freezing solution.
Therefore, the self-closing valve for the antifreeze solution of the engine test trolley is needed in the field to solve the problem of the leakage of the antifreeze solution after the test trolley is separated from the platform butt plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that exists among the prior art, provide an engine test dolly anti-icing fluid is with self-closing valve, through the cooperation of the valve core mechanism that can promote with the valve body, through the pressure spring effect, realized valve self-closing, solved the problem that test dolly and rack butt joint board separation back anti-icing fluid leaked.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a self-closing valve for antifreeze solution of an engine test trolley comprises: a valve body and a valve core mechanism;
the valve body is of an integrated structure and comprises a small-diameter ring body and a large-diameter ring body; an annular push rod seat is arranged in the small-diameter ring body; a circular groove is arranged in the large-diameter ring body;
the valve core mechanism comprises: a valve core, a push plate and a guide rod; the guide rod is inserted in the annular push rod seat, one end of the guide rod is connected with the push plate, and the other end of the guide rod is connected with the valve core;
Preferably, a pressure spring is arranged on the guide rod and is arranged between the push plate and the annular push rod seat;
preferably, the guide rod is connected with the valve core pin;
preferably, the valve core is a conical surface sealing structure.
The working process is as follows:
1 self-closing valve is respectively added at an inlet and an outlet of the antifreeze solution on the butt plate of the test trolley, the right side of the butt plate of the test trolley is provided with an antifreeze solution pipeline water inlet, and the antifreeze solution enters the engine through the water inlet; the anti-freezing fluid in the engine returns to the anti-freezing fluid tank through the anti-freezing fluid pipeline return port on the left side of the butt plate;
when the test trolley is in butt joint with the rack, the end surfaces of two anti-freezing solution male connectors on the rack butt joint plate respectively move a push plate of an anti-freezing solution self-closing valve of the test trolley in the axial direction to realize the circulation of anti-freezing solution, and then an engine test is carried out; after the test trolley is separated from the rack butt plate after the test is finished, the valve cores of the self-closing valves of the antifreeze liquid inlet and outlet are closed automatically under the action of the pressure spring, and finally, the residual antifreeze liquid in the pipeline cannot leak out of the pipeline.
Compared with the prior art, the utility model beneficial effect lies in:
by adopting the pushing type valve core mechanism and the pressure spring, the valve core of the self-closing valve is automatically closed after the pushing pressure is lost, namely the test trolley is separated from the rack butt-joint plate, so that the antifreeze cannot leak.
Drawings
FIG. 1 is a schematic view of a self-closing valve component for antifreeze solution of the engine test trolley;
FIG. 2 is a schematic sectional view of the valve body structure;
FIG. 3 is a schematic cross-sectional view of the valve cartridge mechanism;
fig. 4 is a schematic view of the assembly of the valve body and the valve core mechanism.
The valve comprises a valve body 1, a valve core mechanism 2, a small-diameter ring body 3, a large-diameter ring body 4, an annular push rod seat 5, a circular groove 6, a valve core 7, a push plate 8, a guide rod 9 and a pressure spring 10.
Detailed Description
The preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are not intended to limit the scope of the invention, but rather, are intended to cover all modifications and equivalents of the claims.
Referring to fig. 1, the self-closing valve for antifreeze solution of an engine test trolley comprises: a valve body 1 and a valve core mechanism 2;
referring to fig. 2, the valve body 1 is an integral structure and comprises a small-diameter ring body 3 and a large-diameter ring body 4; an annular push rod seat 5 is arranged in the small-diameter ring body 3, and the annular push rod seat 5 is provided with three guide holes; a circular groove 6 is arranged in the large-diameter ring body 4; the small-diameter ring body 3 is made of 304 stainless steel, and the large-diameter ring body 4 is made of 304 stainless steel;
Referring to fig. 3, the valve core mechanism 2 includes: a valve core 7, a push plate 8 and 3 guide rods 9; referring to fig. 4, the guide rod 9 is inserted into the guide hole of the annular push rod seat 5, one end of the guide rod is connected with the push plate 8 through a bolt, and the other end of the guide rod is connected with the valve core 7 through a pin; the clearance between the guide rod 9 and the guide hole is less than or equal to 0.03 mm; the repeated positioning precision of the valve core 7 is less than or equal to 0.05 mm; a pressure spring 10 is sleeved on the guide rod 9, and the pressure spring 10 is arranged between the push plate 8 and the annular push rod seat 5;
preferably, the valve core 7 is a conical surface sealing structure, the smoothness of the conical surface is 0.8 microns, and the machining process is matched grinding and grinding in place.
The working process is as follows:
1 self-closing valve is respectively added at an inlet and an outlet of the antifreeze solution on the butt plate of the test trolley, the right side of the butt plate of the test trolley is provided with an antifreeze solution pipeline water inlet, and the antifreeze solution enters the engine through the water inlet; the anti-freezing fluid in the engine returns to the anti-freezing fluid tank through the anti-freezing fluid pipeline return port on the left side of the butt plate;
when the test trolley is in butt joint with the rack, the end surfaces of two anti-freezing solution male connectors on the rack butt joint plate respectively move a push plate of the anti-freezing solution self-closing valve of the test trolley in the axial direction to form a passage, and then an engine test is carried out; after the test trolley is separated from the rack butt plate after the test is finished, the valve cores of the self-closing valves of the antifreeze liquid inlet and outlet are closed automatically under the action of the pressure spring, and finally, the residual antifreeze liquid in the pipeline cannot leak out of the pipeline.
Through the utility model provides a self-closing valve can realize antifreeze solution pipeline leakage volume less than or equal to 2%, improves environmental pollution, reduces and slips and fall down the risk.
Although particular implementations of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A self-closing valve for antifreeze solution of an engine test trolley comprises: valve body (1) and case mechanism (2), its characterized in that:
the valve body (1) is of an integral structure and comprises a small-diameter ring body (3) and a large-diameter ring body (4); an annular push rod seat (5) is arranged in the small-diameter ring body (3); a circular groove (6) is arranged in the large-diameter ring body (4);
the valve core mechanism (2) comprises: a valve core (7), a push plate (8) and a guide rod (9); wherein, the guide rod (9) is inserted in the annular push rod seat (5), one end of the guide rod is connected with the push plate (8), and the other end of the guide rod is connected with the valve core (7).
2. The self-closing valve for antifreeze solution of engine test trolley according to claim 1, wherein: the guide rod (9) is provided with a pressure spring (10), and the pressure spring (10) is arranged between the push plate (8) and the annular push rod seat (5).
3. The self-closing valve for antifreeze solution of engine test trolley according to claim 1, wherein: the guide rod (9) is in pin connection with the valve core (7).
4. The self-closing valve for antifreeze solution of engine test trolley according to claim 1, wherein: the valve core (7) is a conical surface sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419692.1U CN217177564U (en) | 2021-10-08 | 2021-10-08 | Self-closing valve for antifreeze solution of engine test trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419692.1U CN217177564U (en) | 2021-10-08 | 2021-10-08 | Self-closing valve for antifreeze solution of engine test trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217177564U true CN217177564U (en) | 2022-08-12 |
Family
ID=82707520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122419692.1U Active CN217177564U (en) | 2021-10-08 | 2021-10-08 | Self-closing valve for antifreeze solution of engine test trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217177564U (en) |
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2021
- 2021-10-08 CN CN202122419692.1U patent/CN217177564U/en active Active
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