CN220060375U

CN220060375U - Damping buffer device convenient to production

Info

Publication number: CN220060375U
Application number: CN202321648174.XU
Authority: CN
Inventors: 谭发杨
Original assignee: Zhaoqing Hongfeng Zhiyang Precision Products Co ltd
Current assignee: Zhaoqing Hongfeng Zhiyang Precision Products Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-21
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a damping buffer device convenient to produce, which comprises a sleeve, a shaft core, a damper, a spring and a driving sleeve, wherein the sleeve comprises a first sleeve, a second sleeve and a third sleeve which are sequentially arranged, one end of the shaft core is abutted against the damper, the other end of the shaft core is abutted against the spring, the shaft core is driven to axially move in the second sleeve through the driving sleeve, the damper is arranged in the first sleeve, an extension part of the damper extends out of the first sleeve and is abutted against the shaft core, the spring is arranged in the third sleeve, and by dividing the sleeve into the first sleeve, the second sleeve and the third sleeve, different connecting structures are only needed to be processed on each sleeve during production, and the connecting structures can be adapted to other parts of the damping buffer device.

Description

Damping buffer device convenient to production

Technical Field

The utility model relates to the technical field of buffers, in particular to a damping buffer device convenient to produce.

Background

Damping bumpers, which consume impact energy, are more commonly hydraulic damping bumpers. The working principle is as follows: when the hydraulic damping buffer receives impact force, the piston in the buffer is pushed to move, meanwhile, oil in the buffer cavity is extruded out of the throttle orifice and enters the other cavity, and at the moment, friction between the throttle orifice and the oil and internal friction between oil molecules form damping force on impact load. This process consumes a lot of kinetic energy and plays a role of buffering. However, when the hydraulic damping buffer is subjected to impact load, a large oil pressure is formed locally in the buffer cavity due to the fact that a buffer effect is achieved by the built-in oil way, the structure for adjusting the tightness opening and closing door is complex, sealing is needed, the processing technology is complex, the production cost is high, the service life is short due to structural limitation, and important parts are difficult to maintain and replace.

The applicant applies for a multi-scene damping buffer device structure with the bulletin number of CN218294298U in 9/19 of 2022, the damper is arranged on the inner side of the spring, when the energy storage of the spring is released instantaneously, the shaft core is pressed to slide, the shaft core drives the movable shaft of the damper to move, and at the moment, the damper counteracts part of the energy storage of the spring, so that the shaft core slides slowly, and the damping function is realized; and a spiral damping buffer device with the publication number of CN218294297U, which are all developed for meeting the requirements of various scene applications; however, in actual production, the sleeve needs to be grooved in the middle of the inner wall to be in sliding fit with the tooth set of the shaft core, so that the process is complex, the production efficiency is low, and the cost is increased.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a damping cushion device that is easy to produce.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a damping buffer convenient to production, includes sleeve pipe, axle core, attenuator, spring and transfer sleeve, the sleeve pipe is including the first sleeve pipe, second sleeve pipe and the third sleeve pipe that set gradually, the one end and the attenuator butt of axle core, the other end and spring butt, and the axle core passes through the transfer sleeve and drives at the intraductal axial motion of second, the attenuator sets up in first intraductal, and the extension of attenuator extend to first sleeve pipe outside with axle core butt, the spring set up in the third sleeve pipe.

Further, one end of the first sleeve is provided with a first connecting portion, the end face of the driving shaft sleeve is provided with a connecting groove, and the first connecting portion is in key connection with the connecting groove.

Further, the device further comprises a plane bearing and a gasket, wherein the plane bearing is arranged in the second sleeve, the first connecting part of the first sleeve penetrates through the plane bearing to be connected with the driving shaft sleeve, the first sleeve is in sliding connection with the second sleeve and the driving shaft sleeve through the plane bearing, and the gasket is arranged between the first sleeve and the second sleeve.

Further, the sleeve is rotatably arranged at the end part of the sleeve, a second connecting part is arranged at one end, far away from the first connecting part, of the first sleeve, and the first sleeve is connected with the sleeve through the second connecting part.

Further, the inner wall of the second sleeve is provided with a first gear along the ring shape, the outer wall surface of the shaft core is provided with a second gear along the ring shape, and the shaft core is in sliding fit with the first gear through the second gear to axially move along the sleeve.

Further, the wall surface of the shaft core is provided with a spiral groove, the wall surface of the driving shaft sleeve is provided with a round hole, steel balls are arranged in the round hole and are in sliding fit with the spiral groove, and the steel balls are driven to move along the spiral groove when the driving shaft sleeve rotates.

Further, the end part of the third sleeve is sleeved and connected to the end part of the second sleeve, and the second sleeve is provided with a third connecting part corresponding to the inner wall of the third sleeve and extending outwards.

Further, one end of the damper shaft core is abutted with a damping adjusting piece, and the damping adjusting piece is in threaded connection in the first sleeve.

Further, the spring is far away from the one end butt of core has the dynamics regulating part, and dynamics regulating part spiro union is in the third sleeve pipe.

Further, spline lines are arranged on the outer wall surfaces of the sleeve and the third sleeve.

Compared with the prior art, the utility model has the beneficial effects that: through dividing into first sleeve pipe, second sleeve pipe and third sleeve pipe with the sleeve pipe, only need process different connection structure on each sleeve pipe when production, but connection structure adaptation damping buffer's other parts, this kind of structure compares traditional damping buffer's part more convenient production to accelerate production speed, reduce cost.

Drawings

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

Fig. 2 is a schematic side view of the present utility model.

FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2.

Fig. 4 is a schematic view of the installation state of the present utility model.

Fig. 5 is an exploded view of the present utility model.

Fig. 6 is a schematic view of the installation of the first sleeve of the present utility model.

Fig. 7 is a split schematic of fig. 6.

Fig. 8 is a schematic view of the installation of the second sleeve of the present utility model.

Fig. 9 is a split schematic of fig. 8.

Fig. 10 is a schematic view of the installation of a third sleeve of the present utility model.

Fig. 11 is a split schematic of fig. 10.

FIG. 12 is a schematic view showing the connection of the first sleeve and the second sleeve according to the present utility model

In the figure: sleeve 1, first sleeve 11, first connection 111, second connection 112, second sleeve 12, first gear 121, third connection 122, third sleeve 13, shaft core 2, second gear 21, spiral groove 22, damper 3, spring 4, driving sleeve 5, connection groove 51, round hole 52, steel ball 53, planar bearing 6, washer 7, sleeve 8, damping regulator 9, and force regulator 10.

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.

The damping buffer device convenient to produce as shown in fig. 1 to 12 comprises a sleeve 1, a shaft core 2, a damper 3, a spring 4 and an driving sleeve 5, wherein the sleeve 1 comprises a first sleeve 11, a second sleeve 12 and a third sleeve 13 which are sequentially arranged, one end of the shaft core 2 is abutted with the damper 3, the other end is abutted with the spring 4, the shaft core 2 is driven to axially move in the second sleeve 12 through the driving sleeve 5, the damper 3 is arranged in the first sleeve 11, the extending part of the damper 3 extends out of the first sleeve 11 and is abutted with the shaft core 2, the spring 4 is arranged in the third sleeve 13, and compared with the prior damping buffer device, the sleeve 1 is divided into three sections, and in the production process, other parts of the damping buffer device are matched by different connecting structures processed on the three sleeves 1;

one end of the first sleeve 11 is provided with a first connecting part 111, the end face of the driving shaft sleeve 5 is provided with a connecting groove 51, and the first connecting part 111 is connected with the connecting groove 51 in a key way;

the inner wall of the second sleeve 12 is provided with a first gear 121 along the ring shape, the outer wall surface of the shaft core 2 is provided with a second gear 21 along the ring shape, and the shaft core 2 is in sliding fit with the first gear 121 through the second gear 21 to axially move along the sleeve 1;

the end of the third sleeve 13 is sleeved and connected to the end of the second sleeve 12, and a third connecting portion 122 extends outwards from the second sleeve 12 corresponding to the inner wall of the third sleeve 13.

In the preferred embodiment, the device further comprises a plane bearing 6 and a gasket 7, the plane bearing 6 is arranged in the second sleeve 12, the first connecting part 111 of the first sleeve 11 is connected with the driving sleeve 5 through the plane bearing 6, the first sleeve 11 is slidably connected with the second sleeve 12 and the driving sleeve 5 through the plane bearing 6, the gasket 7 is arranged between the first sleeve 11 and the second sleeve 12, and friction between the first sleeve 11 and the second sleeve 12 can be reduced through the plane bearing 6 and the gasket 7.

In the preferred embodiment, the sleeve 8 is further included, the sleeve 8 is rotatably arranged at the end of the sleeve 1, the end of the first sleeve 11 far away from the first connecting part 111 is provided with a second connecting part 112, and the first sleeve 11 is connected with the sleeve 8 through the second connecting part 112.

The wall of the shaft core 2 is provided with a spiral groove 22, the wall of the driving sleeve 5 is provided with a round hole 52, a steel ball 53 is arranged in the round hole 52, the steel ball 53 is limited in the round hole 52 through the second sleeve 12, and the steel ball 53 is in sliding fit with the spiral groove 22, so that the steel ball 53 is driven to move along the spiral groove 22 when the driving sleeve 5 rotates, wherein a positioning groove (not labeled in the figure) for positioning in a normal state and for positioning when the damping buffer device rotates for a certain angle is also arranged on the spiral groove 22, and when the driving sleeve 5 drives the steel ball 53 to move to the positioning groove, compression energy storage of the spring 4 is not released.

In the preferred embodiment, one end of the shaft core 2 of the damper 3 is abutted with a damping adjusting piece 9, the damping adjusting piece 9 is in threaded connection in the first sleeve 11, the damping adjusting piece 9 is utilized to adjust damping force when the damper 3 moves relative to the shaft core 2, in addition, a connecting piece (not labeled in the drawing) is arranged on the shaft core 2 in a rotating mode along the axial direction, the connecting piece (not labeled in the drawing) is provided with a limiting mechanism to prevent the connecting piece from being separated from the shaft core 2, the connecting piece can rotate in the shaft core 2, the extending end of the damper 3 is abutted with the end portion of the connecting piece, and friction between the damper 3 and the shaft core 2 is reduced by the aid of the connecting piece, so that abrasion is reduced, and the service life is prolonged.

In a preferred embodiment, a force adjusting member 10 is abutted to one end of the spring 4 away from the shaft core 2, the force adjusting member 10 is in screwed connection with the third sleeve 13, and the force adjusting member 10 controls the tightness state of the spring 4, so as to adjust the rotation force when the shaft core 2 and the driving sleeve 5 rotate.

The outer wall surface of at least one of the first sleeve 11, the second sleeve 12 and the third sleeve 13 is provided with spline patterns, the outer wall surface of the sleeve 8 is also provided with spline patterns, and the spline patterns are processed on different sleeves 1 according to different use scenes so as to be connected with other mechanisms.

Compared with the traditional damping buffer device, the structure is more convenient to produce, thereby accelerating the production speed and reducing the cost.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Damping buffer convenient to production, its characterized in that: including sleeve pipe (1), axle core (2), attenuator (3), spring (4) and transfer sleeve (5), sleeve pipe (1) are including first sleeve pipe (11), second sleeve pipe (12) and the third sleeve pipe (13) that set gradually, the one end and the attenuator (3) butt of axle core (2), the other end and spring (4) butt, and axle core (2) drive at second sleeve pipe (12) axial motion through transfer sleeve (5), attenuator (3) set up in first sleeve pipe (11), and the extension of attenuator (3) extend to outside first sleeve pipe (11) with axle core (2) butt, spring (4) set up in third sleeve pipe (13).

2. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: one end of the first sleeve (11) is provided with a first connecting part (111), the end face of the driving shaft sleeve (5) is provided with a connecting groove (51), and the first connecting part (111) is connected with the connecting groove (51) in a key mode.

3. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: still include plane bearing (6) and gasket (7), plane bearing (6) set up in second sleeve pipe (12), first connecting portion (111) of first sleeve pipe (11) pass plane bearing (6) with transfer sleeve (5) are connected, first sleeve pipe (11) through plane bearing (6) with second sleeve pipe (12), transfer sleeve (5) sliding connection, gasket (7) set up between first sleeve pipe (11) and second sleeve pipe (12).

4. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: still include sleeve (8), sleeve (8) rotate the tip that sets up at sleeve pipe (1), the one end that first sleeve pipe (11) kept away from first connecting portion (111) is equipped with second connecting portion (112), first sleeve pipe (11) are connected with sleeve (8) through second connecting portion (112).

5. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: the inner wall of the second sleeve (12) is provided with a first gear (121) along the ring shape, the outer wall surface of the shaft core (2) is provided with a second gear (21) along the ring shape, and the shaft core (2) is in sliding fit with the first gear (121) along the axial movement of the sleeve (1) through the second gear (21).

6. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: the wall surface of the shaft core (2) is provided with a spiral groove (22), the wall surface of the driving shaft sleeve (5) is provided with a round hole (52), steel balls (53) are arranged in the round hole (52), and the steel balls (53) are in sliding fit with the spiral groove (22), so that the driving shaft sleeve (5) drives the steel balls (53) to move along the spiral groove (22) when rotating.

7. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: the end part of the third sleeve (13) is sleeved and connected on the end part of the second sleeve (12), and a third connecting part (122) is outwards extended from the inner wall of the second sleeve (12) corresponding to the third sleeve (13).

8. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: one end of the shaft core (2) of the damper (3) is abutted with a damping adjusting piece (9), and the damping adjusting piece (9) is in threaded connection in the first sleeve (11).

9. A damper cushioning device for facilitating manufacture as set forth in claim 1, wherein: one end of the spring (4) far away from the shaft core (2) is abutted with a force adjusting piece (10), and the force adjusting piece (10) is in threaded connection in a third sleeve (13).

10. The damping cushion apparatus for facilitating manufacture as defined in claim 4, wherein: spline lines are arranged on the outer wall surfaces of the sleeve (8) and the third sleeve (13).