Anti-rust fastener for engine

Abstract

The utility model relates to the technical field of fasteners for engines, and discloses an anti-rust fastener for engines, which comprises a hose clamp made of stainless steel, the hose clamp is composed of a clamp body, a fixing frame and a worm, the top of the fixing frame and the worm are provided with locking assemblies for locking and limiting the worm, and the locking assemblies are connected with the hose clamp. The locking assembly comprises a connecting block, an abutting piece and clamping teeth, the connecting block is fixed to the top of the fixing frame, the worm penetrates through the connecting block and is rotationally connected with the connecting block, the abutting piece is arranged on the worm, and a groove is formed in the top of the connecting block. When the worm is not screwed, the abutting piece can be clamped in the clamping teeth annularly arranged in the groove in the top of the connecting block to limit the worm, so that the situation that the worm slightly rotates due to vibration, the hose clamp is loosened, and normal connection of a pipeline is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fastener for engine, concretely is a fastener for engine of rust prevention. BACKGROUND

[0002] Throat collar (rubber pipe clamp) is widely used in various water, oil, gas, dust, etc. in automobile, tractor, forklift, locomotive, ship, mine, petroleum, chemical industry, pharmacy, agriculture, etc. It is an ideal connecting fastener. Throat collar is small in size and value, but its function is huge. American throat collar is also called clamp. American stainless steel throat collar is divided into small American throat collar and large American throat collar, and the throat collar belt width is 12.7mm and 14.2mm respectively. The throat collar is suitable for wide range of applications, has high torsion resistance and pressure resistance, has balanced torque, is locked firmly, is tight, has large adjustment range, is suitable for connecting fastener of soft and hard pipes with a diameter of more than 30mm, and has beautiful appearance after assembly. The features are small friction of worm, suitable for medium and high-grade vehicles, pole holding equipment, steel pipes and rubber pipes or connecting parts of corrosion resistant materials.

[0003] Throat collar is often used in automobile engine pipeline connection, and the pipeline is fastened by winding the collar body through the screwing of the worm. With long time use, the automobile engine will produce high frequency vibration, and the throat collar does not have locking structure, which can cause the throat collar to loosen and affect the normal connection of the pipeline, so a fastener for engine of rust prevention is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fastener for engine of rust prevention to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a fastener for engine of rust prevention, comprising a throat collar made of stainless steel, the throat collar is made of 304 stainless steel, the 304 stainless steel contains 18% of chromium and 8% of nickel, the alloy composition can form a dense chromium oxide protective film under normal circumstances, effectively resist oxidation and rust, and can play the function of rust prevention, the throat collar is composed of a collar body, a fixing frame and a worm, a locking assembly for locking and limiting the worm is arranged on the top of the fixing frame and the worm;

[0006] The locking assembly comprises:

[0007] The connecting block is used for connecting and supporting the worm;

[0008] The abutting piece is used for limiting the worm through the clamping tooth when the worm is not screwed.

[0009] Preferably, the connecting block is fixed on the top of the fixing frame, the worm passes through the connecting block and is rotationally connected with the connecting block, the abutting piece is arranged on the worm, a recess is formed in the top of the connecting block, and a plurality of annularly arranged clamping teeth are fixed in the recess.

[0010] Preferably, the abutting piece comprises a rotating head, a slot is formed in the bottom of the rotating head, a connecting rod is slidably arranged in the slot, the bottom of the connecting rod is fixed on the top of the worm, an abutting rod is arranged on the bottom of the rotating head, the abutting rod passes through the top of the connecting rod and is slidably connected with the connecting rod, a locking rod is arranged on the bottom of the abutting rod and passes through the connecting rod and is slidably connected with the connecting rod, a spring is fixed on the inner wall of the connecting rod, one end of the spring away from the connecting rod is fixed on the locking rod, a triangular block is fixed on the top of the locking rod, when the rotating head is pressed downward, the rotating head can abut against the abutting rod after moving downward by a distance, the abutting rod is pushed to move downward, the abutting rod abuts against the triangular block on the top of the locking rod, the locking rod moves to the side close to the center of the connecting rod, the locking rod is no longer clamped in the clamping teeth in the recess in the top of the connecting block, so that the position of the connecting rod and the worm is released, at this time, the worm can be rotated to control the fastening or loosening of the hoop body, when the rotating head is not pressed, the locking rod can be inserted into the clamping teeth in the recess in the top of the connecting block under the action of the spring, even if the locking rod cannot be directly clamped in the clamping teeth, the connecting rod and the worm can be controlled by slightly rotating the connecting rod and the worm, the locking rod is inserted into the clamping teeth and clamped with the clamping teeth, so that the worm is limited, even if the engine vibrates at high frequency, the loosening of the hoop does not occur.

[0011] Preferably, the top of the rotating head and the connecting rod are hexagonal, a flat blade is arranged on the top of the rotating head, a screwdriver or a hexagonal wrench can be inserted into the rotating head and the connecting rod is controlled by rotating the rotating head.

[0012] Compared with the prior art, the fastener for the engine has the following beneficial effects:

[0013] 1、The fastener for the engine, when the worm is not rotated, the abutting piece can be clamped in the annularly arranged clamping teeth in the recess in the top of the connecting block, the worm is limited, the worm cannot be slightly rotated due to vibration, the loosening of the hoop occurs, and the normal connection of the pipeline is affected.

[0014] 2、the anti-corrosion engine fastener, when using the tool presses the screwing head and rotates the screwing head to drive the connecting rod and the worm to rotate, the screwing head can abut on the abutting rod after moving downward by a certain distance, the abutting rod is pushed to move downward, the abutting rod abuts on the triangular block on the top of the locking rod, so that the locking rod moves to the center side close to the connecting rod, the locking rod no longer clamps on the tooth in the top recess of the connecting block, so that the limiting of the connecting rod and the worm is released, at this time, the worm can be rotated to control the hoop body to be fastened or loosened, convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is overall front view structural schematic diagram of the utility model;

[0016] Figure 2 It is fixed frame, locking assembly and worm connection structure schematic diagram of the utility model;

[0017] Figure 3 It is connecting block top recess tooth structure schematic diagram of the utility model;

[0018] Figure 4 It is locking assembly and worm connection section view structural schematic diagram of the utility model;

[0019] Figure 5 It is connecting block and locking rod connection section view structural schematic diagram of the utility model.

[0020] In the drawing: 1, hoop body;2, fixed frame;3, locking assembly;31, connecting block;32, abutting piece;33, tooth;321, screwing head;322, connecting rod;323, abutting rod;324, elastic sheet;325, triangular block;326, locking rod;4, worm. DETAILED DESCRIPTION

[0021] As Figures 1-5 Indicated, the utility model provides a technical scheme: an anti-corrosion engine fastener, including by the throat clamp of stainless steel, the throat clamp is made of 304 stainless steel, 304 stainless steel contains 18% of chromium and 8% of nickel, and this kind of alloy composition makes it in general environment can form a dense chromium oxide protection film, effectively resists oxidation and corrosion, can play the function of anti-corrosion, and the throat clamp is composed of hoop body 1, fixed frame 2 and worm 4, the top of fixed frame 2 and the worm 4 are provided with the locking assembly 3 for locking the limitation of worm 4, and the locking assembly 3 includes: connecting block 31, abutting piece 32 and tooth 33.

[0022] The connecting block 31 is fixed on the top of the fixing frame 2, the worm 4 passes through the connecting block 31 and is rotationally connected with the connecting block 31, the abutting piece 32 is arranged on the worm 4, the top of the connecting block 31 is provided with a recess, and the inner side of the top recess of the connecting block 31 is fixedly provided with the annularly arranged clamping tooth 33. When the worm 4 is not twisted, the abutting piece 32 can be clamped in the annularly arranged clamping tooth 33 in the top recess of the connecting block 31, the worm 4 is limited, the worm 4 cannot be slightly rotated due to vibration, the throat clamp is loosened, and the normal connection of the pipeline is affected.

[0023] The abutting piece 32 comprises a twisting head 321, the bottom of the twisting head 321 is provided with a notch, the inner side of the bottom notch of the twisting head 321 is slidably provided with a connecting rod 322, the bottom of the connecting rod 322 is fixed with the top of the worm 4, the bottom of the twisting head 321 is provided with an abutting rod 323, the abutting rod 323 penetrates through the top of the connecting rod 322 and is slidably connected with the connecting rod 322, the bottom of the abutting rod 323 is provided with a locking rod 326, the locking rod 326 penetrates through the connecting rod 322 and is slidably connected with the connecting rod 322, the inner wall of the connecting rod 322 is fixedly provided with an elastic sheet 324, one end of the elastic sheet 324 away from the connecting rod 322 is fixed with the locking rod 326, the top of the locking rod 326 is fixedly provided with a triangular block 325. When the twisting head 321 is pressed downward, the twisting head 321 can abut against the abutting rod 323 after moving downward by a certain distance, the abutting rod 323 is pushed to move downward, the abutting rod 323 abuts against the triangular block 325 at the top of the locking rod 326, the locking rod 326 moves to the side close to the center of the connecting rod 322, the locking rod 326 is no longer clamped in the clamping tooth 33 in the top recess of the connecting block 31, so that the limiting of the connecting rod 322 and the worm 4 is released. At this time, the worm 4 can be rotated to control the tightening or loosening of the clamp body 1. When the twisting head 321 is not pressed, the locking rod 326 can be inserted into the clamping tooth 33 in the top recess of the connecting block 31 under the action of the elastic sheet 324. Even if the locking rod 326 cannot be directly clamped with the clamping tooth 33, the locking rod 326 can be inserted into the clamping tooth 33 and clamped with the clamping tooth 33 by slightly rotating the connecting rod 322 and the worm 4, so that the worm 4 is limited. Even if the engine vibrates frequently, the throat clamp will not be loosened.

[0024] The top of the twisting head 321 and the connecting rod 322 is hexagonal, the top of the twisting head 321 is provided with a flat notch, a screwdriver or a hexagonal wrench can be inserted into the twisting head 321, and the connecting rod 322 and the worm 4 are controlled by rotating the twisting head 321.

[0025] Based on the above embodiment, the hoop body 1 is opened and sleeved on the pipeline, after the pipeline is connected with the automobile engine, the hoop body 1 is moved to the pipeline connection, a hexagonal wrench or a screwdriver is abutted on the rotating head 321, the rotating head 321 is pushed to move to one side of the connecting rod 322, until the rotating head 321 cannot continue to move, the tool is rotated to drive the rotating head 321 to rotate, thereby controlling the connecting rod 322 and the worm 4 to rotate to tighten the hoop body 1, so that the pipeline is fastened.

[0026] After the fastening is completed, the tool is only taken away, the rotating head 321 is no longer stressed, the locking rod 326 can be inserted into the clamping tooth 33 in the top groove of the connecting block 31 under the action of the elastic sheet 324, even if the locking rod 326 cannot be directly clamped with the clamping tooth 33, only slightly rotating the connecting rod 322 and the worm 4 can control the locking rod 326 to be inserted into the clamping tooth 33 and clamped with the clamping tooth 33, thereby limiting the worm 4, even if the engine is high-frequency vibration, the throat clamp will not be loose, the normal fastening is ensured.

[0027] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A rust-resistant fastener for an engine, comprising a hose clamp made of stainless steel, characterized in that: The hose clamp consists of a clamp body (1), a fixing frame (2) and a worm gear (4). The top of the fixing frame (2) and the worm gear (4) are provided with locking components (3) for locking and restricting the worm gear (4). The locking component (3) includes: Connecting block (31) is used to connect with worm (4) and support worm (4); The abutment (32) is used to restrict the worm (4) in conjunction with the retaining tooth (33) when the worm (4) is not turned.

2. The anti-corrosion fastener for an engine according to claim 1, characterized in that: The connecting block (31) is fixed on the top of the fixing frame (2). The worm (4) passes through the connecting block (31) and is rotatably connected to the connecting block (31). The abutment (32) is provided on the worm (4). The top of the connecting block (31) is provided with a groove. The inner side of the groove on the top of the connecting block (31) is fixed with a ring-shaped locking tooth (33).

3. The rust-resistant fastener for an engine according to claim 1, characterized in that: The contacting member (32) includes a screwing head (321), the bottom of which has a slot, and a connecting rod (322) is slidably installed on the inner side of the slot at the bottom of the screwing head (321), the bottom of which is fixed to the top of the worm gear (4).

4. The rust-resistant fastener for an engine according to claim 3, characterized in that: The bottom of the turning head (321) is provided with an abutment rod (323), which passes through the top of the connecting rod (322) and is slidably connected to the connecting rod (322). The bottom of the abutment rod (323) is provided with a locking rod (326), which passes through the connecting rod (322) and is slidably connected to the connecting rod (322).

5. A rust-resistant fastener for an engine according to claim 4, characterized in that: A spring piece (324) is fixed on the inner wall of the connecting rod (322). The end of the spring piece (324) away from the connecting rod (322) is fixed to the locking rod (326). A triangular block (325) is fixed to the top of the locking rod (326).

6. A rust-resistant engine fastener according to claim 3, characterized in that: The tops of both the screwing head (321) and the connecting rod (322) are hexagonal, and the top of the screwing head (321) is provided with a flat blade.

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