Jet pump tool capable of preventing 74-degree cone from being damaged by collision
By using the sealing ring and jacket nut in the induction pump tooling, the bump damage of the 74° cone surface during connection is avoided, and the production yield of the induction pump is improved.
Patent Information
- Application Number
- CN202423130672.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-12-18
AI Technical Summary
When installing the existing induction pump tooling, the 74° cone surface is prone to bump damage due to direct metal contact, resulting in product damage and affecting the production yield.
The sealing ring and the jacket nut are fixedly connected to avoid direct contact between the 74° cone surface, seal the sealing ring and fix the connection with the jacket nut to prevent bruises.
It effectively avoids bumps and injuries caused by connections during the experiment, and improves the production yield.
Smart Images
Figure CN223270153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ejector pump production, in particular to an ejector pump tooling with a 74° cone that is resistant to bumps and collisions. Background Art
[0002] The jet pump fixture is a device for testing the jet pump. Its working principle is to connect the jet pump to input the test fuel into the jet pump to verify the performance of the jet pump. The fixture is equipped with a pressure measuring joint and a flow sensor to observe the pressure and flow of the inlet and outlet. When the existing jet pump fixture is installed, the flat nozzle of the test fixture is a 74° cone that matches the 74° cone of the jet pump. For example Figure 4 The flat nozzle shown in the figure has a serious bump and scratch problem on the 74° cone surface of the product due to direct metal contact. Therefore, during the experiment, the 74° high-pressure inlet nozzle joint and the mixer outlet joint were frequently disassembled, which caused the 74° cone of the product to be easily bumped and scratched. Utility Model Content
[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a 74° cone ejector pump tooling that is anti-bump and scratch-proof. The structure is simple and avoids the ejector pump from being scratched after being connected to the flat pipe nozzle during the experiment. This can increase the production yield of the ejector pump and effectively solve the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a 74° cone ejection pump tooling that prevents bumps and scratches, comprising an ejection pump body, the inlet of the ejection pump body is connected to a nozzle by a threaded connection, the outlet of the ejection pump body is provided with a mixed outlet joint, the interface of the nozzle is docked with a flared flat pipe nozzle 1, a sealing ring is provided between the nozzle and the flared flat pipe nozzle 1, the nozzle and the flared flat pipe nozzle 1 are fixed by a jacket nut 1, the interface of the mixed outlet joint and the nozzle has the same structure, the mixed outlet joint is docked with a flared flat pipe nozzle 2, a sealing ring is also provided between the flared flat pipe nozzle 2 and the nozzle, and the flared flat pipe nozzle 2 and the nozzle are fixed by a jacket nut 2.
[0005] Furthermore, the nozzle is sealedly connected to the ejector pump body, an external thread is provided on the outside of the inlet connection end of the nozzle, and a 74° conical chamfer angle is provided on the outside of the inlet end of the nozzle.
[0006] Furthermore, the flared flat nozzle 2 and the flared flat nozzle 1 have the same structure, and the end where the flared flat nozzle 2 and the flared flat nozzle 1 are connected is a boss-like structure, a 74° conical inclined surface is provided on the inner side of the connecting end of the flared flat nozzle 2 and the flared flat nozzle 1, and an annular groove corresponding to the sealing ring is provided on the inclined surface of the flared flat nozzle 2 and the flared flat nozzle 1.
[0007] Furthermore, the structures of the outer sleeve nut 1 and the outer sleeve nut 2 are the same, and a clamping ring is provided on the inner side of one end of the outer sleeve nut 2 and the flared flat pipe nozzle 1, and the clamping ring corresponds to the bosses of the flared flat pipe nozzle 2 and the flared flat pipe nozzle 1.
[0008] Compared with the prior art, the beneficial effect of the present invention is that when installing the ejector pump body, the two sealing rings are first installed into the annular grooves of the flared flat pipe nozzle 2 and the flared flat pipe nozzle 1 respectively, and then the mixing outlet joint and the nozzle are respectively inserted into one end of the flared flat pipe nozzle 2 and the flared flat pipe nozzle 1. When in contact, the two connecting parts are sealed by the sealing ring, while avoiding direct contact between the inclined surfaces of the two metal parts. Then, the two connecting parts are fixed by the outer sleeve nut 1 and the outer sleeve nut 2. The ejector pump tooling with a 74° cone that is anti-bump and scratch-proof has a simple structure and avoids the problem of bumps and scratches caused by the ejector pump after being connected to the flat pipe nozzle during the experiment, thereby increasing the production yield of the ejector pump. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 This is a schematic diagram of the structure of the utility model;
[0010] Figure 2 This is a schematic structural diagram of the flared flat nozzle 1 and the flared flat nozzle 2 of the utility model;
[0011] Figure 3 This is a schematic diagram of the overall connection structure of the jet pump detection of the utility model;
[0012] Figure 4 This is a schematic diagram of the structure of a common flat nozzle of the utility model.
[0013] In the figure: 1 ejector pump body, 2 flared flat nozzle 1, 3 sealing ring, 4 nozzle, 5 mixing outlet joint, 6 outer sleeve nut 1, 7 flared flat nozzle 2, 8 outer sleeve nut 2, 9 annular groove. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0015] See also Figure 1-4The utility model provides a technical solution: a 74° cone ejector pump tooling that prevents bumps and scratches, including an ejector pump body 1, the inlet of the ejector pump body 1 is connected to a nozzle 4 by a threaded connection, the outlet of the ejector pump body 1 is provided with a mixed outlet joint 5, the interface of the nozzle 4 is docked with a flared flat pipe nozzle 2, a sealing ring 3 is provided between the nozzle 4 and the flared flat pipe nozzle 2, the nozzle 4 and the flared flat pipe nozzle 2 are fixed by a jacket nut 6, the interface of the mixed outlet joint 5 and the nozzle 4 has the same structure, the mixed outlet joint 5 is connected with a flared flat nozzle 2 7, a sealing ring 3 is also provided between the flared flat nozzle 2 7 and the nozzle 4, and the flared flat nozzle 2 7 and the nozzle 4 are fixed by a jacket nut 2 8, the nozzle 4 is sealed and connected to the injection pump body 1, the outer side of the inlet connection end of the nozzle 4 is provided with an external thread, and the outer side of the inlet end of the nozzle 4 is provided with a 74° conical chamfer angle, the flared flat nozzle 2 7 and the flared flat nozzle 1 2 have the same structure, and the end where the flared flat nozzle 2 7 and the flared flat nozzle 1 2 are connected is a boss-shaped structure, and the flared flat nozzle 2 7 and the flared flat nozzle 1 A 74° conical inclined surface is provided on the inner side of the connecting end of the nozzle 1, and an annular groove 9 corresponding to the sealing ring 3 is provided on the inclined surface of the flared flat nozzle 2 7 and the flared flat nozzle 1. The outer sleeve nut 1 6 and the outer sleeve nut 2 8 have the same structure. A clamping ring is provided on the inner side of one end of the outer sleeve nut 2 8 and the flared flat nozzle 1. The clamping ring corresponds to the boss of the flared flat nozzle 2 7 and the flared flat nozzle 1. When installing the ejector pump body 1, first install the two sealing rings 3 to the rings of the flared flat nozzle 2 7 and the flared flat nozzle 1. shaped groove 9, and then insert the mixing outlet connector 5 and the nozzle 4 into one end of the flared flat nozzle 2 7 and the flared flat nozzle 1 2 respectively. When in contact, the two connecting parts are sealed by the sealing ring 3, while avoiding direct contact between the inclined surfaces of the two metal parts. Then, the two connecting parts are fixed by the outer shell nut 1 6 and the outer shell nut 2 8. The anti-bump 74° cone ejector pump tooling has a simple structure and avoids the problem of bumps and scratches caused by the ejector pump after being connected to the flat nozzle during the experiment, thereby increasing the production yield of the ejector pump.
[0016] During use: When installing the ejector pump body 1, first install the two sealing rings 3 into the annular grooves 9 of the flared flat nozzle 2 7 and the flared flat nozzle 1 2 respectively, and then insert the mixing outlet joint 5 and the nozzle 4 into one end of the flared flat nozzle 2 7 and the flared flat nozzle 1 2 respectively. When in contact, the two connecting parts are sealed by the sealing ring 3, while avoiding direct contact between the inclined surfaces of the two metal parts, and then fix the two connecting parts by the outer sleeve nut 1 6 and the outer sleeve nut 2 8.
[0017] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A 74° cone ejector pump fixture that is resistant to bumps and scratches, comprising an ejector pump body (1), characterized in that: The inlet of the ejection pump body (1) is connected to the nozzle (4) by a threaded connection, and the outlet of the ejection pump body (1) is provided with a mixed outlet joint (5). The interface of the nozzle (4) is connected to a flared flat nozzle (2). A sealing ring (3) is provided between the nozzle (4) and the flared flat nozzle (2). The nozzle (4) and the flared flat nozzle (2) are fixed by a jacket nut (6). The interface of the mixed outlet joint (5) and the nozzle (4) has the same structure. The mixed outlet joint (5) is connected to a flared flat nozzle (7). A sealing ring (3) is also provided between the flared flat nozzle (7) and the nozzle (4), and the flared flat nozzle (7) and the nozzle (4) are fixed by a jacket nut (8).
2. The anti-bump 74° cone ejector pump fixture according to claim 1, characterized in that: The nozzle (4) is sealedly connected to the ejector pump body (1), an external thread is provided on the outside of the inlet connection end of the nozzle (4), and a 74° conical chamfer angle is provided on the outside of the inlet end of the nozzle (4).
3. The anti-bump 74° cone ejector pump tooling according to claim 1, characterized in that: The structures of the flared flat nozzle 2 (7) and the flared flat nozzle 1 (2) are the same, and the end where the flared flat nozzle 2 (7) and the flared flat nozzle 1 (2) are connected is a boss-shaped structure, a 74° conical inclined surface is provided on the inner side of the connecting end of the flared flat nozzle 2 (7) and the flared flat nozzle 1 (2), and an annular groove (9) corresponding to the sealing ring (3) is provided on the inclined surface of the flared flat nozzle 2 (7) and the flared flat nozzle 1 (2).
4. The anti-bump 74° cone ejector pump fixture according to claim 1, characterized in that: The outer sleeve nut 1 (6) and the outer sleeve nut 2 (8) have the same structure. A clamping ring is provided on the inner side of one end of the outer sleeve nut 2 (8) and the flared flat pipe nozzle 1 (2). The clamping ring corresponds to the boss of the flared flat pipe nozzle 2 (7) and the flared flat pipe nozzle 1 (2).