Marine steering engine plunger anti-swing device

Abstract

The utility model relates to a marine steering engine plunger anti-swing device which comprises a tiller, connecting blocks are fixed to the upper end and the lower end of the tiller, grooves are formed in the tops of the connecting blocks, a fixing plate is attached to one ends of the grooves, first limiting rings are fixed to the two sides of one end of the fixing plate and located in the grooves, and the interiors of the first limiting rings penetrate through a plunger body. The plunger body can be limited through the first limiting rings, the annular air bag can be inflated after the plunger body penetrates through the limiting rings, and therefore the annular air bag is expanded to abut against plunger bodies of different sizes, the plunger bodies are prevented from deflecting in the using process, and the service life of the plunger bodies is prolonged. And meanwhile, the multiple rubber balls are arranged on the surface of the annular air bag, the friction force between the annular air bag and the plunger body can be increased through the multiple rubber balls, and deflection of the plunger in the using process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of marine rudder engine equipment, concretely to a marine rudder engine plunger anti-swing device. BACKGROUND

[0002] The marine rudder engine plunger anti-swing device is a mechanical mechanism, the friction force generated in the reciprocating motion of the upper and lower sliding blocks is not completely consistent, which will cause the deflection of the plunger, and the mechanism can prevent the deflection of the plunger in the reciprocating motion.

[0003] According to the public patent 201821741934.0 marine rudder engine plunger anti-swing device, it comprises a plunger, an upper sliding block, a lower sliding block and a sliding plate, the sliding plate is fixedly connected to a rudder handle, the upper sliding block and the lower sliding block are installed on the sliding plate and form a sliding pair, the outer surfaces of the upper sliding block and the lower sliding block are non-planar structures, which are matched with the structure of the friction surface of the sliding plate, and the inner holes of the upper sliding block and the lower sliding block are connected with the plunger through a plunger pin. The device has the advantages of simple structure, ingenious design, constraint of the deflection force generated in the motion of the plunger through the setting of the arc-shaped sliding block device, effective prevention of the deflection of the plunger in the motion, small size, light weight and long service life.

[0004] However, in the conventional marine rudder engine plunger anti-swing device, the specification of the arc-shaped sliding block is fixed and cannot adapt to the change of the size of the plunger in actual use, so when the plungers with different sizes pass through the arc-shaped sliding block, the device cannot effectively prevent the deflection of the plunger, in addition, the two ends of the plunger exceed the limit of the rudder handle, which increases the pressure on the contact area between the plunger and the arc-shaped sliding block, and this pressure concentration easily causes the deformation of the main structure of the plunger. Therefore, a new technical solution is needed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcomings of the prior art, adapting to the actual needs, providing a marine rudder engine plunger anti-swing device to solve the technical problem that in the conventional marine rudder engine plunger anti-swing device, the specification of the arc-shaped sliding block is fixed and cannot adapt to the change of the size of the plunger in actual use, so when the plungers with different sizes pass through the arc-shaped sliding block, the device cannot effectively prevent the deflection of the plunger, in addition, the two ends of the plunger exceed the limit of the rudder handle, which increases the pressure on the contact area between the plunger and the arc-shaped sliding block, and this pressure concentration easily causes the deformation of the main structure of the plunger.

[0006] In order to realize the purpose of the utility model, the technical scheme that the utility model adopts is: a rudder engine plunger anti-swing device for ships is designed, the rudder handle is provided with a connecting block at the upper end and the lower end, a groove is formed in the top of the connecting block, a fixed plate is attached to one end of the groove, a first limiting ring is fixed to the two sides of one end of the fixed plate, the first limiting ring is located in the groove, and the plunger main body passes through the inside of the first limiting ring.

[0007] Preferably, an annular groove is formed in the inner wall of the first limiting ring, an annular air bag is installed in the annular groove, and a plurality of rubber balls are fixed to the surface of the annular air bag.

[0008] Preferably, a gas pipe is communicated with one side of the annular air bag, and a pipe cover is installed at the end of the gas pipe away from the annular air bag and penetrating through the first limiting ring.

[0009] Preferably, an arc-shaped hole is formed in the two sides of the connecting block, and the plunger main body passes through the arc-shaped hole.

[0010] Preferably, one end of a connecting rod is fixed to the upper end and the lower end of the two sides of the rudder handle, a second limiting ring is fixed to the other end of the connecting rod, and the plunger main body passes through the inside of the second limiting ring.

[0011] Preferably, a fixed bolt penetrates through the four corners of the fixed plate, and the fixed bolt is screw-connected with a threaded groove formed in the four corners of the surface of the connecting block.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The combination of the fixed plate, the first limiting ring and the annular air bag can not only limit the plunger main body by the plurality of first limiting rings, but also inflate the annular air bag after the plunger main body passes through the limiting ring, so that the annular air bag is expanded against the plunger main body of different sizes, the deflection of the plunger main body in the use process is avoided, the device is suitable for the plunger main bodies of different sizes, and the plurality of rubber balls arranged on the surface of the annular air bag can increase the friction force with the plunger main body, the deflection of the plunger in the use process is avoided, and the technical problem that the specification of the arc-shaped sliding block in the traditional rudder engine plunger anti-swing device for ships is fixed and cannot adapt to the change of the size of the plunger in actual use is solved, so that the device can effectively avoid the deflection of the plunger when the plungers of different sizes pass through the arc-shaped sliding block.

[0014] 2. The utility model discloses a combination of connecting rod and second limit ring can set up the second limit ring at the both sides position of the tiller, thereby after the first limit ring is positioned to the plunger main part, use the second limit ring to support the both sides position of plunger main part extension again, avoid the position pressure of plunger main part and first limit ring contact too big, cause the deformation of plunger main part, solved the both ends of plunger to exceed the limit of tiller, make the pressure that plunger and arc slide contact area bear increase, this pressure concentration is very easy to cause the technical problem of plunger main part structure deformation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the connecting block structure schematic diagram of the utility model;

[0017] Figure 3 It is the A place enlarged structure schematic diagram of the utility model.

[0018] In the drawing: 1, tiller;101, plunger main part;2, connecting block;201, fixed plate;202, first limit ring;203, fixed bolt;204, thread groove;205, rubber ball;206, recess;207, annular groove;208, annular air bag;209, air pipe;210, pipe cover;211, arc hole;3, connecting rod;301, second limit ring. DETAILED DESCRIPTION

[0019] The utility model is further explained in connection with the drawings and examples:

[0020] Example 1: a kind of marine rudder cylinder plunger anti-swing device, refer to Figures 1 to 3The rudder handle 1 is fixed with the connecting block 2 at both upper and lower ends, the recess 206 is formed at the top of the connecting block 2, the fixed plate 201 is attached to one end of the recess 206, the first limiting ring 202 is fixed at both sides of one end of the fixed plate 201, the first limiting ring 202 is located in the recess 206, the plunger body 101 penetrates through the inside of the first limiting ring 202, the fixed plate 201 is attached to the surface of the connecting block 2, the first limiting ring 202 provided at one end of the fixed plate 201 is inserted into the recess 206, then the plurality of fixed bolts 203 are used to penetrate through the fixed plate 201 and the threaded groove 204 for threaded connection, the fixed plate 201 and the first limiting ring 202 are limited, then the plunger body 101 penetrates through the arc-shaped hole 211 and the first limiting ring 202, the plunger body 101 is limited, in the process of limiting the plunger body 101, the trachea 209 is connected with the external inflation equipment, the annular air bag 208 is rapidly expanded, the plunger body 101 is extruded and further limited, the plurality of rubber balls 205 are arranged on the surface of the annular air bag 208, the plurality of rubber balls 205 can increase the friction with the plunger body 101, the deflection of the plunger in use is avoided, and the technical problem that the specification of the arc-shaped sliding block in the traditional ship rudder machine plunger anti-swing device is fixed and cannot adapt to the change of the size of the plunger in actual use is solved, so that when the plungers with different sizes penetrate through the arc-shaped sliding block, the device can effectively avoid the deflection of the plunger.

[0021] Specifically, referring to Figure 3 The annular groove 207 is formed in the inner wall of the first limiting ring 202, and the annular air bag 208 is mounted in the annular groove 207.

[0022] Further, referring to Figure 2 The trachea 209 is communicated with one side of the annular air bag 208, and the pipe cover 210 is mounted at the end of the trachea 209 away from the annular air bag 208 and penetrates through the first limiting ring 202.

[0023] It is worth noting that, referring to Figure 2 The arc-shaped hole 211 is formed at both sides of the connecting block 2, and the plunger body 101 penetrates through the arc-shaped hole 211.

[0024] It is worth noting that, referring to Figure 1The upper and lower ends of the rudder handle 1 are fixed with one end of the connecting rod 3, the other end of the connecting rod 3 is fixed with the second limiting ring 301, the second limiting ring 301 is penetrated by the plunger body 101, the second limiting ring 301 is arranged at the two sides of the rudder handle 1, so that after the plunger body 101 is limited by the first limiting ring 202, the plunger body 101 is further penetrated by the second limiting ring 301 to support and limit the two side positions of the plunger body 101, the position of the plunger body 101 contacting the first limiting ring 202 is avoided from being pressed too hard to cause the deformation of the plunger body 101, the technical problem that the two ends of the plunger exceed the limit of the rudder handle is solved, the pressure of the contact area between the plunger and the arc-shaped sliding block is increased, and the structure of the plunger body is prone to deformation due to the concentrated pressure.

[0025] It is worth mentioning that, referring to Figure 1 The four corners of the fixed plate 201 are penetrated by fixed bolts 203, and the fixed bolts 203 are screw-connected with the threaded grooves 204 arranged at the four corners of the surface of the connecting block 2.

[0026] When the marine rudder machine plunger anti-swing device is used, the fixed plate 201 is attached to the surface of the connecting block 2, the first limiting ring 202 arranged at one end of the fixed plate 201 is inserted into the groove 206, then the fixed plate 201 and the first limiting ring 202 are limited by screwing the plurality of fixed bolts 203 through the fixed plate 201 and the threaded grooves 204, then the plunger body 101 is limited by penetrating the arc-shaped hole 211 and the first limiting ring 202, in the process of limiting the plunger body 101, the air pipe 209 is connected with the external inflation equipment to make the annular air bag 208 rapidly expand to further limit the plunger body 101, the plurality of rubber balls 205 arranged on the surface of the annular air bag 208 can increase the friction force with the plunger body 101 to avoid the deflection of the plunger in use, and the second limiting ring 301 is arranged at the two sides of the rudder handle 1, so that after the plunger body 101 is limited by the first limiting ring 202, the plunger body 101 is further penetrated by the second limiting ring 301 to support and limit the two side positions of the plunger body 101, the position of the plunger body 101 contacting the first limiting ring 202 is avoided from being pressed too hard to cause the deformation of the plunger body 101.

[0027] In addition, the components designed in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or a conventional experimental method, and the person skilled in the art can fully realize without further description, and the content protected by the utility model does not involve the improvement of the internal structure and method.

[0028] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A rudder stock anti-swing device for a marine rudder gear, comprising a tiller (1), characterized in that, The rudder (1) upper and lower ends are fixed with connecting block (2), the connecting block (2) top is provided with recess (206), one end of the recess (206) is attached with fixed plate (201), one end of the fixed plate (201) is fixed with first limit ring (202) on both sides, first limit ring (202) is located in recess (206), the first limit ring (202) inside passes through plunger body (101).

2. A ship steering gear anti-swing device according to claim 1, characterized in that The first limit ring (202) inner wall is provided with annular groove (207), the annular groove (207) is internally mounted with annular air bag (208), the annular air bag (208) surface is fixed with a plurality of rubber ball (205).

3. A ship steering gear anti-swing device according to claim 2, characterised in that The annular air bag (208) side is communicated with air pipe (209), the air pipe (209) far away from the annular air bag (208) one end passes through the first limit ring (202) and is installed with pipe cover (210).

4. The anti-sloshing device for a marine rudder engine ram as defined in claim 1, wherein, The connecting block (2) both sides are provided with arc hole (211), the arc hole (211) is passed through with plunger body (101).

5. The anti-sloshing device for a marine rudder engine ram as defined in claim 1, wherein, The rudder (1) both sides upper and lower ends are fixed with one end of connecting rod (3), the other end of the connecting rod (3) is fixed with second limit ring (301), the second limit ring (301) inside passes through plunger body (101).

6. The anti-sloshing device for a marine rudder engine ram as defined in claim 1, wherein, The fixed plate (201) four corners are penetrated with fixed bolt (203), the fixed bolt (203) and the connecting block (2) surface four corners are provided with threaded groove (204) and are screwed.

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