Spraying pipe and execution cabin integrated connecting structure with adjustable installation phase

Abstract

The invention discloses a spray pipe and execution cabin integrated connecting structure with an adjustable mounting phase. The spray pipe and execution cabin integrated connecting structure comprises a spray pipe, an execution cabin shell, a connecting ring, an elastic clamping ring, a double-end bolt, a locking nut and a parking screw. The connecting ring is inserted into an inner cavity of the first annular connecting table of the spray pipe and is axially positioned through the elastic clamping ring; the execution cabin shell is connected to the outer wall of the spray pipe in a sleeving mode. The connecting ring and the second annular connecting table of the execution cabin shell are fixed through the stud and the locking nut, so that the execution cabin shell and the spray pipe are axially locked, and the tail end of the conical cylinder section at the rear end of the execution cabin shell is tightly attached to the outer wall of the expansion section of the spray pipe; by relatively rotating the execution cabin shell and the spray pipe, the phase angle of the execution cabin shell and the spray pipe is adjusted; and the executing cabin shell and the connecting ring are fixed through the parking screw, so that the executing cabin shell is locked with the phase angle of the spray pipe.

Description

Technical Field

[0001] The present invention relates to an integrated connection structure of a nozzle and an execution cabin with adjustable installation phase, belonging to the technical field of missiles and rockets. Background Art

[0002] In rockets, the execution module is a key component that controls the rocket's flight attitude and trajectory. In conventional rockets, the execution module is located at the rear of the rocket, typically mounted outside the engine nozzle. Due to the larger outer diameter of the rear portion of the nozzle, it interferes with the end interface of the execution module. Generally, during design, either the nozzle or the execution module must be separated to ensure that the execution module can be installed on the nozzle during assembly. However, this structure complicates the assembly process and makes electrical performance testing of the execution module difficult. Furthermore, the additional interface increases weight, indirectly impacting the rocket's power. Summary of the Invention

[0003] The purpose of the present invention is to solve the problems of the traditional connection structure between the nozzle and the execution cabin, such as the complicated assembly process and the difficulty in electrical performance testing, and to provide an integrated connection structure between the nozzle and the execution cabin with adjustable installation phase.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] The present invention provides an integrated connection structure of a nozzle and an execution module with adjustable installation phase, comprising a nozzle, an execution module housing, a connecting ring, an elastic clamping ring, a stud bolt, a locking nut and a retaining screw;

[0006] A first annular connecting platform is extended backward from the outer edge of the front end of the nozzle, and a clamp ring mounting groove is opened in the middle of the inner wall of the first annular connecting platform;

[0007] The middle portion of the execution module shell is a straight section with an outer diameter matching the outer diameter of the annular connecting platform of the nozzle. The rear end of the execution module shell is a tapered section that converges backwards. The front end of the execution module shell is provided with a second annular connecting platform. The outer wall of the second annular connecting platform is processed with an annular clearance groove. The front side groove surface of the annular clearance groove is provided with a group of bolt through holes evenly distributed around the circumference.

[0008] The connecting ring is an annular member whose outer diameter matches the inner diameter of the first annular connecting platform of the nozzle, and a group of bolt connection holes evenly distributed around the circumference are opened on the rear end surface of the connecting ring;

[0009] The connecting ring is inserted into the inner cavity of the first annular connecting platform of the nozzle, and the elastic clamp is installed in the clamp installation groove of the first annular connecting platform of the nozzle, so that the connecting ring is axially positioned in the inner cavity of the first annular connecting platform of the nozzle;

[0010] The execution cabin shell is sleeved on the outer wall of the nozzle, the left end of the stud bolt is threadedly connected to the bolt connection hole of the connecting ring, and the right end of the stud bolt passes through the bolt connection hole of the second annular connecting platform of the execution cabin shell, and the locking nut is tightened by threading the protruding part at the right end of the stud bolt, so that the execution cabin shell and the nozzle are axially locked, and the end of the conical cylinder section at the rear end of the execution cabin shell is close to the outer wall of the nozzle expansion section; the phase angle of the execution cabin shell and the nozzle is adjusted by relative rotation; the execution cabin shell and the connecting ring are fixed by the retaining screw, so that the phase angle of the execution cabin shell and the nozzle is locked.

[0011] An elastic washer is provided between the locking nut and the front groove surface of the annular relief groove of the execution module housing.

[0012] A protective tape is adhered to the annular relief groove on the outer wall of the execution cabin shell.

[0013] The butt joint surfaces of the first annular connecting platform of the execution cabin shell and the second annular connecting platform of the nozzle are processed with corresponding stop structures.

[0014] Beneficial effects

[0015] The nozzle-to-execution module connection structure of this invention features an integrated design for both the execution module and the nozzle, eliminating interfaces and facilitating installation while reducing the weight of unnecessary interfaces. The connection mechanism utilizes a connecting ring structure, facilitating subsequent phase adjustment of the execution module. Because the execution module and nozzle are assembled before contact with pyrotechnic devices, electrical performance testing and debugging of the execution module are significantly simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the integrated connection structure between the nozzle and the execution module of the present invention;

[0017] Figure 2 for Figure 1 A partial enlarged view of

[0018] In the figure, 1-execution cabin shell, 2-nozzle, 3-connecting ring, 4-elastic clamping ring, 5-stud bolt, 6-elastic washer, 7-locking nut, 8-guard belt, 9-retaining screw. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Example

[0021] like Figure 1 、 2As shown, the present invention provides an integrated connection structure between a nozzle and an execution module with adjustable installation phase, comprising a nozzle 2, an execution module housing 1, a connecting ring 3, an elastic collar 4, a stud bolt 5, a locking nut 7, and a retaining screw 9;

[0022] A first annular connecting platform is extended backward from the outer edge of the front end of the nozzle 2, and a clamp ring mounting groove is opened in the middle of the inner wall of the first annular connecting platform;

[0023] The middle portion of the execution cabin shell 1 is a straight section with an outer diameter matching the outer diameter of the annular connecting platform of the nozzle 2. The rear end of the execution cabin shell 1 is a tapered section that converges backwards. The front end of the execution cabin shell 1 is provided with a second annular connecting platform. The outer wall of the second annular connecting platform is processed with an annular clearance groove. The front side groove surface of the annular clearance groove is provided with a group of bolt through holes evenly distributed around the circumference.

[0024] The connecting ring 3 is an annular member whose outer diameter matches the inner diameter of the first annular connecting platform of the nozzle 2. A group of bolt connection holes evenly distributed around the circumference are opened on the rear end surface of the connecting ring 3;

[0025] The connecting ring 3 is inserted into the inner cavity of the first annular connecting platform of the nozzle 2, and the elastic clamping ring 4 is installed in the clamping ring installation groove of the first annular connecting platform of the nozzle 2, so that the connecting ring 3 is axially positioned in the inner cavity of the first annular connecting platform of the nozzle 2;

[0026] The execution cabin shell 1 is sleeved on the outer wall of the nozzle 2, the left end of the stud bolt 5 is threadedly connected to the bolt connection hole of the connecting ring 3, and the right end of the stud bolt 5 passes through the bolt connection hole of the second annular connecting platform of the execution cabin shell 1, and the locking nut 7 is threadedly tightened through the protruding part at the right end of the stud bolt 5, so that the execution cabin shell 1 and the nozzle 2 are axially locked, and the end of the conical section at the rear end of the execution cabin shell 1 is close to the outer wall of the expansion section of the nozzle 2; the phase angle of the execution cabin shell 1 and the nozzle 2 are adjusted by relative rotation; the execution cabin shell 1 and the connecting ring 3 are fixed by the retaining screw 9, so that the phase angle of the execution cabin shell 1 and the nozzle 2 is locked.

[0027] An elastic washer 6 is provided between the locking nut 7 and the front side groove surface of the annular relief groove of the execution module housing 1 .

[0028] A protective tape 8 is adhered to the annular relief groove on the outer wall of the execution cabin shell 1.

[0029] The butt joint surfaces between the first annular connecting platform of the execution module shell 1 and the second annular connecting platform of the nozzle 2 are processed with corresponding stop structures.

Claims

1. A phase-adjustable nozzle and execution module integrated connection structure, characterized in that: It includes nozzle, execution module shell, connecting ring, elastic clamp, stud bolt, locking nut and retaining screw; A first annular connecting platform is extended backward from the outer edge of the front end of the nozzle, and a clamp ring mounting groove is opened in the middle of the inner wall of the first annular connecting platform; The middle portion of the execution module shell is a straight section with an outer diameter matching the outer diameter of the annular connecting platform of the nozzle. The rear end of the execution module shell is a tapered section that converges backwards. The front end of the execution module shell is provided with a second annular connecting platform. The outer wall of the second annular connecting platform is processed with an annular clearance groove. The front side groove surface of the annular clearance groove is provided with a group of bolt through holes evenly distributed around the circumference. The connecting ring is an annular member whose outer diameter matches the inner diameter of the first annular connecting platform of the nozzle, and a group of bolt connection holes evenly distributed around the circumference are opened on the rear end surface of the connecting ring; The connecting ring is inserted into the inner cavity of the first annular connecting platform of the nozzle, and the elastic clamp is installed in the clamp installation groove of the first annular connecting platform of the nozzle, so that the connecting ring is axially positioned in the inner cavity of the first annular connecting platform of the nozzle; The execution cabin shell is sleeved on the outer wall of the nozzle, the left end of the stud bolt is threadedly connected to the bolt connection hole of the connecting ring, and the right end of the stud bolt passes through the bolt connection hole of the second annular connecting platform of the execution cabin shell, and the locking nut is tightened by threading the protruding part at the right end of the stud bolt, so that the execution cabin shell and the nozzle are axially locked, and the end of the conical cylinder section at the rear end of the execution cabin shell is close to the outer wall of the nozzle expansion section; the phase angle of the execution cabin shell and the nozzle is adjusted by relative rotation; the execution cabin shell and the connecting ring are fixed by the retaining screw, so that the phase angle of the execution cabin shell and the nozzle is locked.

2. The nozzle and execution module integrated connection structure with adjustable installation phase according to claim 1, characterized in that: An elastic washer is provided between the locking nut and the front groove surface of the annular relief groove of the execution module housing.

3. The nozzle and execution module integrated connection structure with adjustable installation phase according to claim 1, characterized in that: A protective tape is adhered to the annular relief groove on the outer wall of the execution cabin shell.

4. The nozzle and execution module integrated connection structure with adjustable installation phase according to claim 1, characterized in that: The butt joint surfaces of the first annular connecting platform of the execution cabin shell and the second annular connecting platform of the nozzle are processed with corresponding stop structures.

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