CN219311159U

CN219311159U - Split damping arm

Info

Publication number: CN219311159U
Application number: CN202320259817.5U
Authority: CN
Inventors: 管邦淋
Original assignee: Nantong Difu Tool Technology Co ltd
Current assignee: Nantong Difu Tool Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-07
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a split damping arm which comprises a spanner arm and a spanner head, wherein one end of the spanner arm is in sliding sleeve connection with the spanner head, the other end of the spanner arm is fixedly connected with a tailstock, a positioning pin is in sliding connection with the spanner head, a first spring is arranged in the spanner arm, a top pin is in sliding connection with the spanner head, the top pin is in contact with the positioning pin, one end, far away from the positioning pin, of the top pin is fixedly connected with a pressing block, and a sliding column is in sliding connection with the tailstock. The utility model has the advantages of shock attenuation and be convenient for change spanner head's effect has solved current spanner cover of beating back on the nut, because the vibrations of hammering are big, can shake the people's hand of holding the spanner and shake the numb, in addition, the head of spanner is the structure of integral type with the handle all adopted, and the head is damaged very easily, leads to needing to wholly changing, problem that can correspondingly improve in the aspect of the use cost.

Description

Split damping arm

Technical Field

The utility model relates to the field of limiting devices, in particular to a split damping arm.

Background

In the installation and disassembly processes of equipment, due to the limitation of equipment space, when a heavy bolt is installed or disassembled by using an ordinary wrench, the bolt cannot be sufficiently pre-tightened or rotated. In this case, a hammer is usually used to assist the operation, and a striking wrench with higher strength, such as a striking wrench of the utility model of application publication number CN110893597a, includes a wrench body and a clamping member, wherein the wrench body includes a jaw and a handle, and the handle is connected with the jaw; the clamping piece is arranged on the handle and is used for being clamped with a bolt to be screwed. The arrangement of the clamping piece enables an operator to prevent the knocking spanner from falling off or being thrown out without applying other manual external force to the knocking spanner when the handle is knocked by the hammer.

And the current spanner cover of beating is on the nut after, because the vibrations of hammering are big, can shake the people's hand of holding the spanner and shake the numb, in addition, the head of spanner and handle all adopt integral type structure, and the head is damaged very easily, leads to needing wholly to change, can correspondingly improve in the aspect of the use cost.

Disclosure of Invention

The utility model aims to provide a split damping arm which has the effects of damping and facilitating the replacement of a wrench head, and solves the problems that after the existing knocking wrench sleeve is arranged on a nut, the hand of a user holding the wrench is shocked and numb due to large hammering vibration, in addition, the head and the handle of the wrench are of an integrated structure, the head is easy to damage, the whole wrench needs to be replaced, and the use cost is correspondingly increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a components of a whole that can function independently shock attenuation arm, includes spanner arm and spanner head, the one end sliding sleeve of spanner arm has cup jointed the spanner head, the other end fixedly connected with tailstock of spanner arm, sliding connection has the locating pin in the spanner arm, the locating pin with spanner head sliding connection, be provided with first spring in the spanner arm, sliding connection has the knock pin in the spanner head, the knock pin with the locating pin contacts, the one end fixedly connected with pressing block of keeping away from the locating pin on the knock pin, sliding connection has the traveller in the tailstock, the top fixedly connected with hammering piece of traveller, be provided with the second spring in the tailstock, fixedly connected with damping sleeve in the tailstock, sliding connection has the damping rod in the damping sleeve, the damping rod with traveller fixed connection.

In order to apply a reaction force to the positioning pin, as a separate damping arm of the present utility model, preferably, one end of the first spring is fixedly connected to the positioning pin, and the other end of the first spring is fixedly connected to the inner surface of the wrench arm.

In order to control the stroke of the ejector pin, the split damping arm is preferably provided with the stroke sleeve fixedly connected to the pressing block, and the stroke sleeve is made of steel.

In order to limit the pressing block, the surface of the pressing block is fixedly connected with a corrugated sleeve, and the corrugated sleeve is fixedly connected with the outer surface of the spanner head.

In order to reduce the impact force during hammering to a certain extent, as a split damping arm of the present utility model, preferably, one end of the second spring is fixedly connected with the sliding post, and the other end of the second spring is fixedly connected with the inner surface of the tailstock.

In order to have a sealing effect on the connection of the damping rod and the damping sleeve, the surface of the damping rod is embedded with a rubber ring which is in contact with the inner surface of the damping sleeve, and the split damping arm is preferable.

In order to have a guiding effect on the sliding of the sliding column in the tailstock, the split damping arm is preferable in the utility model, wherein a guide block is fixedly connected to the outer side of the sliding column, and the guide block is in sliding connection with the tailstock.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the original spanner is divided into the spanner arm and the spanner head by the split design, so that when the spanner head is damaged, the spanner head can be replaced without integral replacement, the use cost is reduced.

2. According to the utility model, the tail part of the wrench arm is provided with the tail seat, the tail seat is internally provided with the sliding column which is supported in an auxiliary way through the second spring, the sliding column is provided with the hammering block for receiving the hammering of the hammer, the tail seat is internally provided with the damping sleeve, the damping rod is arranged in the damping sleeve and is fixed with the sliding column, so that the impact force on the wrench arm during hammering can be buffered through the damping effect between the second spring and the damping sleeve and the damping rod, and the influence of the impact force on the arm is reduced.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the utility model at A of FIG. 2;

fig. 4 is an enlarged view of fig. 2B in accordance with the present utility model.

In the figure: 1. a spanner arm; 2. a spanner head; 3. a tailstock; 4. a positioning pin; 5. a first spring; 6. a knock pin; 7. pressing the blocks; 8. a travel sleeve; 9. a corrugated sleeve; 10. a spool; 11. hammering the block; 12. a second spring; 13. a damping sleeve; 14. a damping rod; 15. a rubber ring; 16. and a guide block.

Detailed Description

Referring to fig. 1-4, a split damping arm comprises a spanner arm 1 and a spanner head 2, wherein one end of the spanner arm 1 is in sliding sleeve connection with the spanner head 2, the other end of the spanner arm 1 is fixedly connected with a tailstock 3, a positioning pin 4 is in sliding connection with the spanner head 2, a first spring 5 is arranged in the spanner arm 1, a top pin 6 is in sliding connection with the spanner head 2, the top pin 6 is in contact with the positioning pin 4, one end, far away from the positioning pin 4, of the top pin 6 is fixedly connected with a pressing block 7, a sliding column 10 is in sliding connection with the tailstock 3, a hammering block 11 is fixedly connected with the top of the sliding column 10, a second spring 12 is arranged in the tailstock 3, a damping sleeve 13 is fixedly connected with the inside of the tailstock 3, a damping rod 14 is in sliding connection with the damping sleeve 13, and the damping rod 14 is fixedly connected with the sliding column 10.

In this embodiment: the original spanner is divided into the spanner arm 1 and the spanner head 2 by the arrangement, and the split type design is adopted, so that after the spanner head 2 is damaged, the spanner head 2 can be replaced without integral replacement, and the use cost is reduced; through setting up tailstock 3 at the afterbody of

spanner arm

1, 3 sets up in the tailstock and carries out auxiliary stay's slide post 10 through second spring 12, sets up hammering piece 11 on the slide post 10 for accept the striking of hammer, and set up damping cover 13 in tailstock 3, set up damping pole 14 in the damping cover 13, damping pole 14 is fixed with slide post 10, through the damping effect between second spring 12 and damping cover 13 and damping pole 14 like this, can cushion hammering time, to the impact force of spanner arm 1, thereby reduce the impact force to the influence of arm.

As a technical optimization scheme of the utility model, one end of the first spring 5 is fixedly connected with the positioning pin 4, and the other end of the first spring 5 is fixedly connected with the inner surface of the wrench arm 1.

In this embodiment: by the design of the first spring 5, a reaction force can be exerted on the positioning pin 4.

As a technical optimization scheme of the utility model, a stroke sleeve 8 is fixedly connected to the pressing block 7, and the stroke sleeve 8 is made of steel.

In this embodiment: the stroke of the knock pin 6 can be controlled by the design of the stroke sleeve 8.

As a technical optimization scheme of the utility model, the surface of the pressing block 7 is fixedly connected with a corrugated sleeve 9, and the corrugated sleeve 9 is fixedly connected with the outer surface of the spanner head 2.

In this embodiment: the pressing block 7 is limited by the design of the corrugated sleeve 9.

As a technical optimization scheme of the utility model, one end of the second spring 12 is fixedly connected with the sliding column 10, and the other end of the second spring 12 is fixedly connected with the inner surface of the tailstock 3.

In this embodiment: by the design of the second spring 12, the impact force upon hammering can be reduced to some extent.

As a technical optimization scheme of the utility model, a rubber ring 15 is embedded in the surface of the damping rod 14, and the rubber ring 15 is in contact with the inner surface of the damping sleeve 13.

In this embodiment: the connection between the damping rod 14 and the damping sleeve 13 is sealed by the rubber ring 15.

As a technical optimization scheme of the utility model, the outer side of the sliding column 10 is fixedly connected with a guide block 16, and the guide block 16 is in sliding connection with the tailstock 3.

In this embodiment: by the design of the guide block 16, the sliding of the slide post 10 in the tailstock 3 has a guiding effect.

Working principle: when the wrench is used, the wrench head 2 is placed at the nut, then a worker holds the wrench arm 1, then another worker uses a hammer to hammer the hammering block 11, so that the nut can be loosened and disassembled, the hammer is hammered on the hammering block 11, the hammering block 11 drives the sliding column 10 to slide in the tailstock 3 and compresses the second spring 12, the second spring 12 can slow down part of impact force, in addition, the sliding column 10 drives the damping rod 14 to slide in the damping sleeve 13 and compresses air in the damping sleeve 13, and part of impact force is buffered by the compression of the air, so that the impact force on the wrench arm 1 is buffered when the hammering is buffered, and the impact force on the arm is further reduced;

in addition, after the spanner head 2 is damaged, only the ejector pin 6 is pushed by the pressing block 7, the ejector pin 6 pushes the positioning pin 4 out of the spanner head 2, so that the limitation on the spanner head 2 is relieved, and then the spanner head 2 can be disassembled for replacement, and the split type design is adopted, so that the whole replacement is not needed, and the use cost can be reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a components of a whole that can function independently shock attenuation arm, includes spanner arm (1) and spanner head (2), its characterized in that: the wrench is characterized in that one end of the wrench arm (1) is in sliding sleeve connection with the wrench head (2), the other end of the wrench arm (1) is fixedly connected with the tail seat (3), the locating pin (4) is connected with the wrench head (2) in a sliding manner, a first spring (5) is arranged in the wrench arm (1), a jacking pin (6) is connected with the wrench head (2) in a sliding manner, the jacking pin (6) is in contact with the locating pin (4), one end, far away from the locating pin (4), of the jacking pin (6) is fixedly connected with the pressing block (7), a sliding column (10) is connected with the tail seat (3) in a sliding manner, a hammering block (11) is fixedly connected with the top of the sliding column (10), a second spring (12) is arranged in the tail seat (3), a damping sleeve (13) is fixedly connected with the tail seat (3), and a damping rod (14) is connected with the damping rod (14) in a sliding manner.

2. A split damping arm according to claim 1, wherein: one end of the first spring (5) is fixedly connected with the locating pin (4), and the other end of the first spring (5) is fixedly connected to the inner surface of the wrench arm (1).

3. A split damping arm according to claim 1, wherein: the pressing block (7) is fixedly connected with a travel sleeve (8), and the travel sleeve (8) is made of steel.

4. A split damping arm according to claim 1, wherein: the surface of the pressing block (7) is fixedly connected with a corrugated sleeve (9), and the corrugated sleeve (9) is fixedly connected with the outer surface of the spanner head (2).

5. A split damping arm according to claim 1, wherein: one end of the second spring (12) is fixedly connected with the sliding column (10), and the other end of the second spring (12) is fixedly connected with the inner surface of the tailstock (3).

6. A split damping arm according to claim 1, wherein: the surface of the damping rod (14) is embedded with a rubber ring (15), and the rubber ring (15) is in contact with the inner surface of the damping sleeve (13).

7. A split damping arm according to claim 1, wherein: the outside fixedly connected with guide block (16) of traveller (10), guide block (16) with tailstock (3) sliding connection.