Bidirectional backstop

Abstract

The utility model relates to the technical field of backstops, and discloses a bidirectional backstop which comprises an installation shell, an installation hole is formed in the installation shell, and a bidirectional backstop body is fixed to the outer side of the installation shell. The device is provided with the reinforcing mechanism, fixation between the lower reinforcing sleeve and the upper reinforcing sleeve is conveniently completed, the outer side of the bidirectional backstop body is reinforced through the lower reinforcing sleeve and the upper reinforcing sleeve, the lower reinforcing sleeve and the upper reinforcing sleeve serve as rigid reinforcing structures, the dynamic load of the bidirectional backstop under the forward and reverse rotation working conditions can be effectively dispersed, and the reliability of the bidirectional backstop is improved. Local stress concentration can be reduced, roller abrasion caused by continuous one-way stress is avoided, and the service life of the device is prolonged; the device is provided with a stabilizing mechanism, after the mounting shell is mounted and fixed through bolts, the corresponding face of the movable plate is stably attached to the outer side of the mounting part of the mounting shell, the auxiliary reinforcing effect is achieved, and it is ensured that the mounting shell is stably connected after being fixed through the bolts.

Description

TECHNICAL FIELD

[0001] The utility model relates to a check stopper technical field, concretely is a kind of bidirectional check stopper. BACKGROUND

[0002] Bidirectional check stopper is the transmission device that input shaft and output shaft are separated, this kind of device can realize from input shaft can drive output shaft synchronous rotation in any direction, output shaft cannot freely rotate.Bidirectional check stopper has multiple structural forms, and different structural forms can satisfy the single of power transmission.

[0003] As the Chinese patent with the application number of 202121810732.9, a kind of bidirectional check stopper, including check stopper main body, check stopper main body has shell, input shaft, output shaft and bidirectional check stopper mechanism being set in shell, still include: retainer, retainer is set on shell;Fixed friction disc, fixed friction disc is set on retainer;One-way check mechanism, one-way check mechanism is set on output shaft;Rotary friction disc, rotary friction disc is set on one-way check mechanism, the friction surface of rotary friction disc and the friction surface of fixed friction disc contact.Through the above technical scheme, the problem that bidirectional check stopper in prior art is prone to check stopper roller wear when being subjected to continuous one-way force is solved.

[0004] However, the bidirectional check stopper above-mentioned lacks reinforcement between bidirectional check stopper and installation shell during use, and it is not easy to effectively disperse the dynamic load of bidirectional check stopper under forward and reverse rotation conditions, which affects service life.Therefore, the bidirectional check stopper provided by the person skilled in the art solves the problems raised in the above background art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of bidirectional check stopper to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of bidirectional check stopper, including installation shell, the inside of the installation shell is equipped with mounting hole, the outside of the installation shell is fixed with bidirectional check stopper main body, the outside of the installation shell is provided with reinforcing mechanism, the outside of the installation shell is provided with stabilizing mechanism;

[0008] The reinforcing mechanism includes lower reinforcing sleeve, the outside of the lower reinforcing sleeve is fixed with lower connecting pad, the outside of the lower reinforcing sleeve is rotatably connected with upper reinforcing sleeve by pivot, the outside of the upper reinforcing sleeve is fixed with limit connecting sleeve, the top of the lower connecting pad is equipped with support block, the top of the support block is fixed with support threaded rod, the outside of the support threaded rod is movably sleeved with gasket, the outside of the support threaded rod is threadedly connected with metal nut.

[0009] As a further scheme of the utility model: the stabilizing mechanism includes a fixed pad, one side of the fixed pad is fixedly provided with a mounting pad, one side of the fixed pad is connected with a supporting spring, one end of the supporting spring is connected with a movable plate, the outer side of the movable plate is fixedly provided with a guide threaded column, one end of the guide threaded column is fixedly provided with a handle pad, the outer side of the guide threaded column is threadedly connected with a limiting nut, one side of the movable plate is fixedly provided with a guide metal rod.

[0010] As a further scheme of the utility model: the fixed pad and the mounting shell are fixedly connected, the guide metal rod is fixedly connected with the handle pad.

[0011] As a further scheme of the utility model: the fixed pad and the mounting pad are internally provided with through holes, one end of the supporting spring is fixedly connected with the fixed pad.

[0012] As a further scheme of the utility model: the lower reinforcing sleeve and the mounting shell are fixedly connected, the inner walls of the lower reinforcing sleeve and the upper reinforcing sleeve are attached to the outer side of the bidirectional check valve body.

[0013] As a further scheme of the utility model: the limiting connecting sleeve is internally provided with a groove, the size of the groove is adapted to the size of the supporting threaded rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The device is provided with a reinforcing mechanism, and the fixing between the lower reinforcing sleeve and the upper reinforcing sleeve is conveniently completed, the outer side of the bidirectional check valve body is reinforced through the lower reinforcing sleeve and the upper reinforcing sleeve, the dynamic load of the bidirectional check valve under the forward and reverse working conditions can be effectively dispersed through the lower reinforcing sleeve and the upper reinforcing sleeve as the rigid reinforcing structure, the local stress concentration can be reduced, the roller wear caused by the continuous unidirectional stress is avoided, and the service life of the device is prolonged.

[0016] 2、The device is provided with a stabilizing mechanism, when the mounting shell is fixedly installed through bolts, the corresponding surface of the movable plate is stably attached to the outer side of the mounting part of the mounting shell, the auxiliary reinforcing effect is achieved, and the connection stability of the mounting shell after being fixed through bolts is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of a bidirectional check valve;

[0018] Figure 2 It is another angle structural schematic view of a bidirectional check valve;

[0019] Figure 3 It is Figure 2 the A area enlarged schematic view;

[0020] Figure 4 It is a structural schematic view of a stabilizing mechanism in a bidirectional check valve.

[0021] In the figure: 1, mounting shell; 2, mounting hole; 3, bidirectional check valve body; 4, reinforcing mechanism; 41, lower reinforcing sleeve; 42, lower connecting pad; 43, upper reinforcing sleeve; 44, limiting connecting sleeve; 45, support block; 46, support threaded rod; 47, gasket; 48, metal nut; 5, stabilizing mechanism; 51, fixed pad; 52, mounting pad; 53, support spring; 54, movable plate; 55, guide threaded column; 56, handle pad; 57, limiting nut; 58, guide metal rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 In the embodiments of the present application, a bidirectional check valve comprises a mounting shell 1, a mounting hole 2 is formed in the inside of the mounting shell 1, a bidirectional check valve body 3 is fixed to the outside of the mounting shell 1, a reinforcing mechanism 4 is arranged on the outside of the mounting shell 1, and a stabilizing mechanism 5 is arranged on the outside of the mounting shell 1.

[0024] The reinforcing mechanism 4 comprises a lower reinforcing sleeve 41, the outer side of the lower reinforcing sleeve 41 is fixed with a lower connecting pad 42, the outer side of the lower reinforcing sleeve 41 is rotationally connected with an upper reinforcing sleeve 43 through a rotating shaft, the outer side of the upper reinforcing sleeve 43 is fixed with a limiting connecting sleeve 44, the top of the lower connecting pad 42 is provided with a supporting block 45, the top of the supporting block 45 is fixed with a supporting threaded rod 46, the outer side of the supporting threaded rod 46 is movably sleeved with a gasket 47, the outer side of the supporting threaded rod 46 is threadedly connected with a metal nut 48, the lower reinforcing sleeve 41 is fixedly connected with the installation shell 1, the inner walls of the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43 are attached to the outer side of the bidirectional check valve body 3, the inner part of the limiting connecting sleeve 44 is provided with a groove, the size of the groove is matched with the size of the supporting threaded rod 46, when the installation shell 1 and the bidirectional check valve body 3 are fixedly connected, the upper reinforcing sleeve 43 on the outer side of the lower reinforcing sleeve 41 can be rotated, the corresponding surface of the upper reinforcing sleeve 43 is attached to the outer side of the bidirectional check valve body 3, at this time, the limiting connecting sleeve 44 is movably sleeved on the outer side of the supporting threaded rod 46, then the gasket 47 is movably sleeved on the outer side of the supporting threaded rod 46, and the metal nut 48 is threadedly connected with the supporting threaded rod 46, so that the fixing between the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43 is conveniently completed, the outer side of the bidirectional check valve body 3 is reinforced through the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43, and the dynamic load of the bidirectional check valve under the conditions of forward rotation and reverse rotation can be effectively dispersed through the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43 as a rigid reinforcing structure, the local stress concentration can be reduced, the roller wear caused by continuous unidirectional stress can be avoided, and the service life of the device is prolonged.

[0025] As an embodiment of the utility model, the stabilizing mechanism 5 comprises a fixed pad 51, one side of the fixed pad 51 is fixed with a mounting pad 52, one side of the fixed pad 51 is connected with a supporting spring 53, one end of the supporting spring 53 is connected with a movable plate 54, the outer side of the movable plate 54 is fixed with a guide threaded column 55, one end of the guide threaded column 55 is fixed with a handle pad 56, the outer side of the guide threaded column 55 is threadedly connected with a limiting nut 57, one side of the movable plate 54 is fixed with a guide metal rod 58, the fixed pad 51 is fixedly connected with the installation shell 1, the guide metal rod 58 is fixedly connected with the handle pad 56, the inner parts of the fixed pad 51 and the mounting pad 52 are both provided with through holes, one end of the supporting spring 53 is fixedly connected with the fixed pad 51, when the installation shell 1 is fixedly installed through bolts, the supporting spring 53 on one side of the fixed pad 51 provides elastic force to push the movable plate 54, the corresponding surface of the movable plate 54 is attached to the outer side of the installation part of the installation shell 1, and the guide threaded column 55 and the guide metal rod 58 both play a guiding role, the limiting nut 57 on the outer side of the guide threaded column 55 plays a limiting role, the corresponding surface of the movable plate 54 is stably attached to the outer side of the installation part of the installation shell 1, plays a role of auxiliary reinforcement, and ensures the connection stability after the installation shell 1 is fixedly connected through bolts.

[0026] The working principle of the utility model is: the device is provided with reinforcing mechanism 4, when the installation shell 1 and the bidirectional check valve main body 3 are fixedly connected, the upper reinforcing sleeve 43 outside the lower reinforcing sleeve 41 can be rotated, the corresponding surface of the upper reinforcing sleeve 43 is attached to the outside of the bidirectional check valve main body 3, at this time, the limiting connecting sleeve 44 is movably sleeved on the outside of the supporting threaded rod 46, then the gasket 47 is movably sleeved on the outside of the supporting threaded rod 46, and the metal nut 48 is screwed with the supporting threaded rod 46, so that the fixing between the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43 is conveniently completed, the outside of the bidirectional check valve main body 3 is reinforced through the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43, the lower reinforcing sleeve 41 and the upper reinforcing sleeve 43 are used as rigid reinforcing structures, the dynamic load of the bidirectional check valve under the positive and reverse rotation working condition can be effectively dispersed, the local stress concentration can be reduced, the roller wear caused by continuous unidirectional stress is avoided, and the service life of the device is prolonged; the device is provided with stabilizing mechanism 5, when the installation shell 1 is fixedly installed through the bolt, the supporting spring 53 on one side of the fixed gasket 51 provides elastic force to push the movable plate 54, the corresponding surface of the movable plate 54 is attached to the outside of the installation part of the installation shell 1, the guide threaded column 55 and the guide metal rod 58 both play the guiding role, the limiting nut 57 on the outside of the guide threaded column 55 plays the limiting role, the corresponding surface of the movable plate 54 is stably attached to the outside of the installation part of the installation shell 1, plays the role of auxiliary reinforcement, and ensures the stable connection of the installation shell 1 after being fixed through the bolt.

[0027] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A bidirectional non-return device comprising a mounting housing (1), characterized in that The inside of the mounting shell (1) is provided with a mounting hole (2), the outer side of the mounting shell (1) is fixedly provided with a bidirectional check valve body (3), the outer side of the mounting shell (1) is provided with a reinforcing mechanism (4), and the outer side of the mounting shell (1) is provided with a stabilizing mechanism (5). The reinforcing mechanism (4) comprises a lower reinforcing sleeve (41), the outer side of the lower reinforcing sleeve (41) is fixedly provided with a lower connecting pad (42), the outer side of the lower reinforcing sleeve (41) is rotatably connected with an upper reinforcing sleeve (43) through a rotating shaft, the outer side of the upper reinforcing sleeve (43) is fixedly provided with a limiting connecting sleeve (44), the top of the lower connecting pad (42) is provided with a supporting block (45), the top of the supporting block (45) is fixedly provided with a supporting threaded rod (46), the outer side of the supporting threaded rod (46) is movably sleeved with a gasket (47), and the outer side of the supporting threaded rod (46) is threadedly connected with a metal nut (48).

2. A bidirectional check according to claim 1, characterized in that The stabilizing mechanism (5) comprises a fixed pad (51), one side of the fixed pad (51) is fixedly provided with a mounting pad (52), one side of the fixed pad (51) is connected with a supporting spring (53), one end of the supporting spring (53) is connected with a movable plate (54), the outer side of the movable plate (54) is fixedly provided with a guide threaded column (55), one end of the guide threaded column (55) is fixedly provided with a handle pad (56), the outer side of the guide threaded column (55) is threadedly connected with a limiting nut (57), and one side of the movable plate (54) is fixedly provided with a guide metal rod (58).

3. A bidirectional check according to claim 2, wherein The fixed pad (51) and the mounting shell (1) are fixedly connected, and the guide metal rod (58) is fixedly connected with the handle pad (56).

4. A bidirectional check valve according to claim 2, wherein The fixed pad (51) and the mounting pad (52) are both provided with through holes in the inside, and one end of the supporting spring (53) is fixedly connected with the fixed pad (51).

5. A bidirectional check valve according to claim 1, wherein The lower reinforcing sleeve (41) and the mounting shell (1) are fixedly connected, and the inner walls of the lower reinforcing sleeve (41) and the upper reinforcing sleeve (43) are attached to the outer side of the bidirectional check valve body (3).

6. A bidirectional check according to claim 1, wherein The limiting connecting sleeve (44) is provided with a groove in the inside, and the size of the groove is matched with the size of the supporting threaded rod (46).

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