Oil gun barrel assembling device for fuel oiling machine
By setting a fixing mechanism in the oil gun barrel assembly device, the problem of oil leakage caused by displacement of the oil pipe during long-term use is solved, and a stable connection of the oil pipe is achieved to prevent oil leakage.
Patent Information
- Application Number
- CN202520052790.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-10
AI Technical Summary
In existing technologies, oil pipes are prone to displacement during long-term use, leading to oil leakage at the connection points.
A fuel nozzle assembly device for a fuel dispenser was designed. By setting a fixing mechanism inside the fuel pipe, including components such as an inner sleeve, screw hole, jacking bolt, moving plate and spring, the fuel pipe is stably fixed by using threaded connection and the elastic restoring effect of spring.
This effectively prevents displacement of the oil pipe, ensures the stability of the connection, and prevents oil leakage.
Smart Images

Figure CN223734336U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil gun barrel assembly connection field, concretely is a kind of oil gun barrel assembly device for fuel dispensing machine. BACKGROUND
[0002] In the prior art, the assembly of the oil pipe and the oil gun requires the use of an inner sleeve, an outer sleeve and the oil pipe to be connected, and after the connection is completed, the connection port of the oil gun is connected.
[0003] The existing inner sleeve and outer sleeve are located at the outer periphery and inner periphery of one end of the oil pipe, and have a certain clamping force on the oil pipe, but since the oil pipe is elastic, during long-term use, the oil pipe may displace outward, resulting in oil leakage at the connection position. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of oil gun barrel assembly devices for fuel dispensing machine, to solve the problems raised in the above background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: an oil gun barrel assembly device for fuel dispensing machine, comprising an oil pipe, an outer sleeve is sleeved on one end of the oil pipe, an inner sleeve is sleeved on the inner wall of the oil pipe and penetrates to the outside of the oil pipe, a connecting head for screwing with the oil gun connection hole is integrally formed at one end of the inner sleeve away from the oil pipe, a fixing mechanism is movably connected inside the inner sleeve, a screw hole is formed in the inner wall of the screw hole and communicated with the fixing mechanism, and a jacking bolt is screwed in the screw hole.
[0006] As a further scheme of the utility model: the fixing mechanism includes a first sliding groove communicated with the inner wall end of the screw hole, a second sliding groove is formed at the end of the first sliding groove, the first sliding groove and the second sliding groove are located inside the inner sleeve, and the second sliding groove and the first sliding groove are distributed in a perpendicular state.
[0007] As a further scheme of the utility model: the fixing mechanism further includes a moving plate slidably connected to the inner wall of the screw hole, a moving piece protruding into the inner wall of the first sliding groove is integrally formed at one end of the moving plate away from the jacking bolt, and an extrusion inclined surface is integrally formed at one end of the moving piece away from the moving plate.
[0008] As a further scheme of the utility model: the fixing mechanism further includes a fixing piece slidably connected to the inner wall of the second sliding groove, a pressure receiving inclined surface is integrally formed at one end of the fixing piece abutting against the extrusion inclined surface, and the extrusion inclined surface and the pressure receiving inclined surface are matched.
[0009] As a further scheme of the utility model: one end of the moving plate and the inner wall end surface of the screw hole are fixedly provided with a first spring.
[0010] As a further scheme of the utility model: the protruding part of the fixing part and the stepped surface of the second sliding groove inner wall are fixedly provided with a second spring.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1. By setting the fixing mechanism, the fixing mechanism can apply a fixing force to the inner periphery of the oil pipe, avoiding displacement of the oil pipe. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the utility model;
[0014] Figure 2 It is an internal structure schematic view of the utility model;
[0015] Figure 3 It is a Figure 2 It is a local enlarged view of A in the middle.
[0016] In the drawing: 1, oil pipe; 2, outer sleeve; 3, inner sleeve; 4, screw hole; 5, connecting head; 6, jacking bolt; 7, moving plate; 8, first spring; 9, fixing part; 10, second spring; 11, second sliding groove; 12, first sliding groove; 13, moving part. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] Please refer to Figures 1-3 In the embodiments of the utility model, a fuel oil dispenser oil gun pipe assembling device comprises an oil pipe 1, the outer end of one end of the oil pipe 1 is provided with an outer sleeve 2 in interference fit, the inner wall of the oil pipe 1 is provided with an inner sleeve 3 penetrating to the outside of the oil pipe 1, the end of the inner sleeve 3 away from the oil pipe 1 is integrally formed with a connecting head 5 for screwing with an oil gun butt joint hole, the inner sleeve 3 is movably connected with a fixing mechanism, the inner sleeve 3 is provided with a screw hole 4 in communication with the fixing mechanism, and the inner wall of the screw hole 4 is screw-connected with a jacking bolt 6.
[0019] In the embodiment, first, the outer sleeve 2 is sleeved on the outer end of the oil pipe 1 until the end of the oil pipe 1 abuts against the inner wall stepped surface of the outer sleeve 2, and since the inner diameter of the outer sleeve 2 is slightly smaller than the outer diameter of the oil pipe 1, a certain connecting force exists after the connection is completed, and the oil pipe 1 will not be loosened at will, then the inner sleeve 3 is inserted into the inner wall of the oil pipe 1 from the opening of the end of the oil pipe 1, and after the insertion, the inner sleeve 3 is rotated, the outer periphery of the inner sleeve 3 has external threads, and the position of the outer sleeve 2 not connected with the oil pipe 1 has internal threads, so that the threaded connection of the inner sleeve 3 and the outer sleeve 2 can be realized by the insertion and rotation of the inner sleeve 3 until the inner sleeve 3 is completely connected, at this time, the end plate of the inner sleeve 3 abuts against the end of the outer sleeve 2.
[0020] Then the jacking bolt 6 is screwed into the threaded hole 4, and the jacking bolt 6 will extrude the fixing mechanism during the connection process, and the extruded fixing mechanism can be displaced under pressure, thereby further reinforcing the inner wall of the oil pipe 1 and avoiding the loosening of the oil pipe 1.
[0021] Please refer to Figure 2 and Figure 3 , the fixing mechanism comprises a first sliding groove 12 connected with the end of the inner wall of the threaded hole 4, and the end of the first sliding groove 12 is formed with a second sliding groove 11, the first sliding groove 12 and the second sliding groove 11 are located inside the inner sleeve 3, and the second sliding groove 11 and the first sliding groove 12 are distributed in a vertical state, the fixing mechanism further comprises a moving plate 7 slidably connected with the inner wall of the threaded hole 4, the end of the moving plate 7 away from the jacking bolt 6 is integrally formed with a moving piece 13 protruding to the inner wall of the first sliding groove 12, the end of the moving piece 13 away from the moving plate 7 is integrally formed with an extrusion inclined surface, and the fixing mechanism further comprises a fixing piece 9 slidably connected with the inner wall of the second sliding groove 11, the end of the fixing piece 9 abutting against the extrusion inclined surface is integrally formed with a pressure receiving inclined surface, and the extrusion inclined surface and the pressure receiving inclined surface are matched.
[0022] In the embodiment, during the screwing process of the jacking bolt 6, the end of the jacking bolt 6 extrudes the end of the moving plate 7, the extruded moving plate 7 drives the moving piece 13 to move along the inner wall of the first sliding groove 12 in the direction of the fixing piece 9, at this time, the moving piece 13 drives the extrusion inclined surface to extrude the pressure receiving inclined surface of the fixing piece 9, at this time, the fixing piece 9 slides along the inner wall of the second sliding groove 11, and the outwardly sliding fixing piece 9 can effectively press the inner wall of the oil pipe 1, thereby achieving the purpose of increasing the stability of the oil pipe 1.
[0023] Please refer to Figure 3 , a first spring 8 is fixedly installed between the end of the moving plate 7 and the end surface of the inner wall of the threaded hole 4.
[0024] In the embodiment, the first spring 8 is compressed during the movement of the moving plate 7 towards the fixed part 9, and the moving plate 7 can be reset by the first spring 8 after the ejector bolt 6 is removed.
[0025] Please refer to Figure 3 The protruding part of the fixed part 9 and the stepped surface of the inner wall of the second sliding groove 11 are fixedly installed with the second spring 10.
[0026] In the embodiment, the second spring 10 is compressed when the moving part 13 moves to press the fixed part 9 and the fixed part 9 moves outward, and the fixed part 9 is synchronously reset by the second spring 10 after the ejector bolt 6 is removed and the moving part 13 is reset.
[0027] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A fuel dispenser gun barrel assembly apparatus comprising a gun barrel (1) characterised in that, The outer end of the oil pipe (1) is externally interference-fitted with a sleeve pipe (2), the inner wall of the oil pipe (1) is sleeved with an inner sleeve pipe (3) penetrating to the outside of the oil pipe (1), the distal end of the inner sleeve pipe (3) is integrally formed with a connecting head (5) for screwing with a gun nozzle, the inner sleeve pipe (3) is movably connected with a fixing mechanism, the inner sleeve pipe (3) is provided with a screw hole (4) in communication with the fixing mechanism, and the inner wall of the screw hole (4) is screw-connected with a jacking bolt (6).
2. An oil gun barrel assembly for a fuel dispenser as defined in claim 1, wherein The fixing mechanism comprises a first sliding groove (12) in communication with the end of the inner wall of the screw hole (4), the distal end of the first sliding groove (12) is integrally formed with a second sliding groove (11), and the first sliding groove (12) and the second sliding groove (11) are both located in the inner sleeve pipe (3) and are vertically distributed.
3. A fuel dispenser nozzle assembly according to claim 2, wherein: The fixing mechanism further comprises a moving plate (7) slidably connected to the inner wall of the screw hole (4), the distal end of the moving plate (7) away from the jacking bolt (6) is integrally formed with a moving piece (13) protruding into the inner wall of the first sliding groove (12), and the distal end of the moving piece (13) away from the moving plate (7) is integrally formed with an extrusion inclined surface.
4. An oil gun barrel assembly for a fuel dispenser as defined in claim 3, wherein The fixing mechanism further comprises a fixing piece (9) slidably connected to the inner wall of the second sliding groove (11), the end of the fixing piece (9) abutting against the extrusion inclined surface is integrally formed with a pressure receiving inclined surface, and the extrusion inclined surface is matched with the pressure receiving inclined surface.
5. An oil gun barrel assembly for a fuel dispenser as defined in claim 4, wherein, One end of the moving plate (7) and the end face of the inner wall of the screw hole (4) are fixedly provided with a first spring (8).
6. An oil gun barrel assembly for a fuel dispenser as defined in claim 5, wherein The protruding part of the fixing piece (9) and the stepped surface of the inner wall of the second sliding groove (11) are fixedly provided with a second spring (10).