CN219747716U - Aviation piston type engine valve chamber cover compresses tightly frock - Google Patents

Abstract

The utility model discloses an aviation piston engine valve chamber cover pressing tool which comprises a pressing tool frame, rotating blocks and connecting holes, wherein a supporting frame is transversely arranged at the top end of the pressing tool frame, sleeves are arranged at the two sides of the supporting frame, guide rods are arranged in the sleeves, the bottom ends of the guide rods are provided with pressing blocks, the bottom ends of the pressing blocks are provided with a plurality of inserted rods, a threaded rod is arranged at the middle position of the top end of the supporting frame through threads, the top end of the threaded rod is provided with a rotating handle, the bottom end of the threaded rod is provided with a limiting block through a bearing, the outer walls of the limiting blocks are connected with the top ends of the pressing blocks, and two sides of the pressing tool frame are welded with external blocks.

Description

Aviation piston type engine valve chamber cover compresses tightly frock

Technical Field

The utility model relates to the technical field of aviation piston engine tools, in particular to an aviation piston engine valve chamber cover pressing tool.

Background

An aero-piston engine is a highly complex thermodynamic machine that not only powers an aircraft, but also is a source of lift. The valve chamber cover is used as an indispensable part of the engine body, is mainly connected with the cylinder cover of the engine, is provided with a cam shaft below the valve chamber cover, and is sealed by accessories of a plurality of air inlet and exhaust mechanisms on the cylinder cover, so that the normal operation and lubrication and protection functions of the valve driving mechanism of the engine are ensured, and the dust seal and each part of the engine form a closed whole, thereby ensuring a good working environment of internal parts of the engine. The cylinder cover is provided with a corresponding air valve, and a sealed compression chamber is formed by the air valve and the cylinder body assembly, so that the combustible gas mixture is combusted in the cylinder cover under specific conditions.

However, the existing aviation piston engine valve chamber cover pressing tool has the following problems in the use process: in the prior art, an intake camshaft assembly and an exhaust camshaft assembly are assembled with a valve chamber cover and then are arranged on a cylinder cover, and anaerobic adhesive is adopted between the valve chamber cover and a cylinder cover to seal the valve chamber cover and the cylinder cover, so that the valve chamber cover and the cylinder cover are directly arranged, all valves are in a closed state before the camshaft is not arranged, and the working length of a tappet is in a maximum state. At this moment, the intake camshaft assembly and the exhaust camshaft assembly are assembled with the valve chamber cover and then are arranged on the cylinder cover, and the two joint surfaces cannot be attached together through the gravity of the intake camshaft assembly and the exhaust camshaft assembly, so that the unfolding effect of the anaerobic adhesive between the intake camshaft assembly and the exhaust camshaft assembly is poor, the phenomenon that part of areas cannot be glued can occur, the phenomenon can finally influence the air tightness of an engine, and the risk of oil leakage exists.

Disclosure of Invention

The utility model aims to provide a valve chamber cover pressing tool for an aviation piston engine, which solves the problem of hidden danger of glue breaking in the assembly by manufacturing a valve chamber cover pressing tool.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aviation piston engine valve chamber cover compresses tightly frock, includes compresses tightly frock frame, dwang and connecting hole, the support frame is transversely installed on the top of compressing tightly frock frame, and the sleeve is installed to the both sides of support frame, and telescopic inside is provided with the guide arm, the compact heap is installed to the bottom of guide arm, and a plurality of inserted bars are installed to the bottom of compact heap, the intermediate position department on support frame top is provided with the threaded rod through the screw thread, and the twist grip is installed on the top of threaded rod, the stopper is installed through the bearing to the bottom of threaded rod, and the stopper outer wall is connected with the top of compact heap, the both sides welding of compressing tightly frock frame has external piece, and the inside of external piece is provided with fixed pivot through the bearing, the outer wall of fixed articulates there is the upset clamp splice, the dwang is installed to one side of upset clamp splice, and a plurality of connecting holes have been seted up to the inside of external piece, and the screw thread groove internally mounted has the screw rod of through-connection hole.

The technical scheme provides an aviation piston engine valve chamber cover compresses tightly frock, the both sides of compressing tightly the frock frame are installed the frame handle.

The technical scheme provides an aviation piston engine valve chamber cover compresses tightly frock, belong to threaded connection relation between threaded rod outer wall and the inner wall of support frame.

According to the technical scheme, the valve chamber cover pressing tool for the aviation piston engine is provided, and the rubber block is arranged at the top end of the overturning clamping block.

According to the technical scheme, the clamping handle is arranged on the outer wall of the overturning clamping block.

Compared with the prior art, the utility model provides an aviation piston engine valve chamber cover pressing tool, which has the following beneficial effects:

according to the utility model, the rotating screw rod is separated from the thread groove, then the clamping handle is held by a hand to drive the overturning clamping block to rotate in the fixed shaft pin, the overturning clamping block drives the rubber block to be inserted into the cylinder cover, finally the rotating screw rod is inserted into a proper connecting hole in the rotating block to be fixed, then the rotating handle is rotated to drive the threaded rod to be meshed with the internal thread of the support frame, the compressing block is driven to move up and down on the outer wall of the guide rod, and then the compressing block is inserted into the valve chamber cover through the inserting rod, so that the valve chamber cover and the cylinder cover can be clamped and fixed.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front view of the utility model in an expanded configuration;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic left-view structure of the present utility model.

Fig. 5 is a schematic top view of the present utility model.

In the figure: 1. compressing the tool frame; 2. an upper frame handle; 3. a support frame; 4. a guide rod; 5. a compaction block; 6. a rod; 7. an outer joint block; 8. a fixed shaft pin; 9. turning over the clamping blocks; 10. a rotating block; 11. a connection hole; 12. a thread groove; 13. a rubber block; 14. a clamping handle; 15. a threaded rod; 16. rotating the handle; 17. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1, as shown in fig. 1-2, the present utility model provides a technical solution: the utility model provides an aviation piston engine valve chamber cover compresses tightly frock, including compressing tightly frock frame 1, turning block 10 and connecting hole 11, the support frame 3 is transversely installed on the top of compressing tightly frock frame 1, and the sleeve is installed to the both sides of support frame 3, and telescopic inside is provided with guide arm 4, compact heap 5 is installed to the bottom of guide arm 4, and a plurality of inserted bars 6 are installed to the bottom of compact heap 5, the intermediate position department on support frame 3 top is provided with threaded rod 15 through the screw thread, and twist grip 16 is installed on the top of threaded rod 15, stopper 17 is installed through the bearing to the bottom of threaded rod 15, and stopper 17 outer wall is connected with the top of compact heap 5, frame handle 2 is installed to the both sides of compressing tightly frock frame 1, drive compressing tightly frock frame 1 upwards to the valve chamber cover top through operating personnel's hand holding and pulling, drive 15 rotation through turning twist grip 16, thereby threaded rod 15 is at 3 internal rotation of support frame, make compact heap 5 and move down in guide arm 4, thereby compress tightly fixedly with the valve chamber cover.

In example 2, as shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides an aviation piston engine valve chamber cover compresses tightly frock, both sides welding including compressing tightly frock frame 1 have outer joint block 7, and the inside of outer joint block 7 is provided with fixed pivot 8 through the bearing, the outer wall of fixed pivot 8 articulates there is upset clamp splice 9, rotating block 10 is installed to one side of upset clamp splice 9, and a plurality of connecting holes 11 have been seted up to the inside of rotating block 10, thread groove 12 has been seted up to the inside of outer joint block 7, and thread groove 12 internally mounted has the screw rod that runs through connecting hole 11, belong to threaded connection relation between the inner wall of threaded rod 15 outer wall and support frame 3, rubber piece 13 is installed on the top of upset clamp splice 9, clamp handle 14 is installed to the outer wall of upset clamp splice 9, through rotating screw rod and thread groove 12 internal separation, then hold clamp handle 14 with the hand and drive upset clamp splice 9 at fixed pivot 8 internal rotation, and then upset clamp splice 9 drive rubber piece 13 insert inside, at last with rotating screw rod insert the suitable connecting hole 11 department in the rotating block 10, can fix the upset angle of upset clamp splice 9, and further fix the clamp position.

Working principle: firstly, the valve chamber cover is attached to the upper portion of the cylinder cover through anaerobic adhesive, then an operator holds the upper frame handle 2 by hand to drive the compression tool frame 1 to be aligned to the upper portion of the valve chamber cover, then the insert rod 6 below the compression block 5 is inserted into the valve chamber cover hole, then the turning clamp block 9 is rotated to drive the rubber block 13 to be inserted into the inner groove of the cylinder cover below, the rotating screw rod is inserted into the connecting hole 11, after the turning angle of the turning clamp block 9 is fixed, the rotatable rotating handle 16 is rotated to drive the threaded rod 15 to rotate in the supporting frame 3, the threaded rod 15 drives the compression block 5 to move downwards in the guide rod 4, the insert rod 6 is attached to the valve chamber cover, stability is improved, the cylinder cover and the valve chamber cover are fixed through a double fixing mode, and stability is improved.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides an aviation piston engine valve chamber cover compresses tightly frock, includes to compress tightly frock frame (1), turning block (10) and connecting hole (11), its characterized in that: the utility model discloses a compression tooling frame, including support frame (1), fixed shaft (8), screw rod (11) are installed in the intermediate position department on support frame (3), support frame (3) are transversely installed on the top of compressing tightly frock frame (1), and sleeve is installed on the both sides of support frame (3), and telescopic inside is provided with guide arm (4), compact heap (5) are installed to the bottom of guide arm (4), and a plurality of inserted bars (6) are installed to the bottom of compact heap (5), intermediate position department on support frame (3) top is provided with threaded rod (15) through the screw thread, and twist grip (16) are installed on the top of threaded rod (15), stopper (17) are installed through the bearing in the bottom of threaded rod (15), and stopper (17) outer wall is connected with the top of compact heap (5), the both sides welding of compressing tightly frock frame (1) have external piece (7), and the inside of external piece (7) is provided with fixed shaft pin (8) through the bearing, the outer wall of fixed shaft pin (8) articulates has upset clamp splice (9), one side of upset clamp (9) installs turning block (10), and the inside of turning block (10) has offered a plurality of connecting holes (11), the inside of external piece (7) is provided with screw thread (12) and screw thread through-through hole (11).

2. The compression tooling for a valve chamber cover of an aviation piston engine of claim 1, wherein: the two sides of the compaction tool frame (1) are provided with upper frame handles (2).

3. The compression tooling for a valve chamber cover of an aviation piston engine of claim 1, wherein: the outer wall of the threaded rod (15) and the inner wall of the supporting frame (3) are in threaded connection.

4. The compression tooling for a valve chamber cover of an aviation piston engine of claim 1, wherein: the top end of the overturning clamping block (9) is provided with a rubber block (13).

5. The compression tooling for a valve chamber cover of an aviation piston engine of claim 1, wherein: the outer wall of the turnover clamping block (9) is provided with a clamping handle (14).