CN221517686U - Reaction rod for tightening tool - Google Patents

Abstract

The utility model discloses a counter-force rod for a tightening tool, which relates to the technical field of assembly, is arranged on the tightening tool and is used for counteracting counter force applied to the tightening tool, and comprises a mounting plate, wherein the mounting plate is of a strip-shaped structure, a sleeve is arranged on the mounting plate along the length direction of the mounting plate, a first rod body is connected with an inner cavity of the sleeve in a sliding manner, a bent rod is arranged at one end, far away from the sleeve, of the first rod body, a second rod body which is perpendicular to the first rod body is arranged at the other end of the bent rod, an anti-slip sleeve is sleeved on the circumferential surface of the second rod body, and a flexible pressure sensor is arranged between the anti-slip sleeve and the second rod body. According to the utility model, through the linkage of the flexible pressure sensor and the electric telescopic rod, the automatic adjustment of the length of the counter-force rod is realized, and the acting force of the counter-force rod is always matched with the torque, so that the stability and the accuracy of screwing are maintained, and a more intelligent and convenient solution is provided for screwing operation.

Description

Reaction rod for tightening tool

Technical Field

The utility model relates to the technical field of assembly, in particular to a counter-force rod for a tightening tool.

Background

In daily tightening operations, repeated work with tools can result in damage to the hands, arms, and shoulders, no matter how light in weight and small in torque. In order to lighten the pressure of an operator, the clamping device has the advantages that the clamping device is movable and free to move, a counter force rod is additionally arranged to lighten the counter force for tightening a product, the tightening comfort level of workers is improved, meanwhile, the tightening error caused by manual work of the workers can be reduced, and the proper accuracy of the clamping force is ensured.

In the prior art, the length of the counter-force rod is mostly a fixed value, namely, the distance between the force points applied to the counter-force rod and the tightening tool is a fixed value, the length of the force arm is fixed, the acting force applied to the counter-force rod needs to be increased along with the increase of torque in the tightening operation, and the operation difficulty of operators is increased.

Disclosure of utility model

The utility model mainly aims to provide a counter-force rod for a tightening tool, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a screw up counter-force pole for instrument, installs on screwing up the instrument for offset the counter-force that screwing up the instrument received, including the mounting panel, the mounting panel is rectangular form structure, install the sleeve pipe along its length direction on the mounting panel, sheathed tube inner chamber sliding connection has first body of rod, the first body of rod is kept away from sheathed tube one end and is installed the bent lever, the second body of rod that is perpendicular to the first body of rod is installed to the other end of bent lever, the circumference cover of second body of rod is equipped with the antiskid cover, install flexible pressure sensor between antiskid cover and the second body of rod; the flexible pressure sensor is used for detecting acting force applied to the second rod body by a user, and the first rod body moves towards a direction away from the sleeve along with the increase of the applied acting force.

Preferably, an electric telescopic rod is arranged in the sleeve, and the movable end of the electric telescopic rod is fixedly connected with the first rod body.

Preferably, the circumference of the first rod body is provided with a plurality of limit grooves, the inner wall of the sleeve is internally protruded to form a convex strip matched with the limit grooves, and the convex strip is in sliding connection with the limit grooves.

Preferably, the mounting plate is provided with a sleeve hole matched with the tightening tool, the inner wall of the sleeve hole is provided with a positioning groove matched with the tightening tool, the position of the mounting plate corresponding to the sleeve hole is threaded and connected with a fixing bolt, and the fixing bolt extends into the sleeve hole.

Preferably, the circumference surface of the sleeve is fixedly provided with a reinforcing rib, and the reinforcing rib is fixedly connected with the mounting plate.

Preferably, the electric telescopic rod is electrically connected with the flexible pressure sensor.

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

1. The force points of operators are arranged on the second rod body, the second rod body is connected with the first rod body through a bent rod, the first rod body adopts a telescopic structure design, and the operators can control the magnitude of the acting force exerted on the first rod body by adjusting the length of the second rod body according to actual conditions; when the product with smaller torque is screwed up, the length of the second rod body can be shortened, so that the acting force applied to the first rod body is reduced, the operation difficulty of operators is reduced, and when the product with larger torque is screwed up, the length of the second rod body can be prolonged, and the acting force applied to the second rod body is increased, so that the screwing up requirement is met;

2. Through setting up flexible pressure sensor and being used for detecting the effort of applying on the second body of rod, along with the increase of moment of torsion, the effort that operating personnel applyed on the second body of rod also increases thereupon for first body of rod automatically regulated length, ensure that the effort of counter-force pole is all the time with moment of torsion assorted, thereby keep stability and the accuracy of screwing up.

Drawings

Fig. 1 is a schematic view of the installation structure of the entire reaction force lever proposed in the present embodiment;

fig. 2 is a schematic structural view of the entire reaction force lever proposed in the present embodiment;

FIG. 3 is a schematic cross-sectional view of the antiskid sleeve according to the present embodiment;

Fig. 4 is a schematic cross-sectional view of the sleeve in this embodiment.

In the figure: 1. a tightening tool; 2. an auxiliary handle; 3. screwing the sleeve; 41. a mounting plate; 42. trepanning; 43. a positioning groove; 44. a fixing bolt; 45. a sleeve; 451. reinforcing ribs; 452. an electric telescopic rod; 46. a first rod body; 461. a limit groove; 47. bending a rod; 48. a second rod body; 481. an anti-skid sleeve; 482. a flexible pressure sensor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a reaction rod for a tightening tool is installed on the tightening tool 1 and is used for counteracting the reaction force applied to the tightening tool 1, in this embodiment, the reaction rod is installed on one side close to the tightening sleeve 3, and comprises an installation plate 41, the installation plate 41 is in a strip structure, a sleeve 45 is installed on the installation plate 41 along the length direction of the installation plate, a first rod body 46 is slidingly connected with an inner cavity of the sleeve 45, one end, far away from the sleeve 45, of the first rod body 46 is provided with a bent rod 47, the other end of the bent rod 47 is provided with a second rod body 48 which is perpendicular to the first rod body 46, an anti-slip sleeve 481 is sleeved on the circumferential surface of the second rod body 48, and a flexible pressure sensor 482 is installed between the anti-slip sleeve 481 and the second rod body 48; the flexible pressure sensor 482 is configured to detect a force applied by a user to the second lever 48, and as the applied force increases, the first lever 46 moves away from the cannula 45.

The operating personnel's impetus sets up on the second body of rod 48 to be connected with first body of rod 46 through bent rod 47, realized exerting the adjustable of effort on first body of rod 48, through adjusting the length of second body of rod 46, operating personnel can control the effort size of counter-force pole in a flexible way, thereby adapt to the demand of different moment of torsion, alleviate the degree of difficulty of screwing up the operation.

In this embodiment, the electric telescopic rod 452 is used to realize the telescopic operation of the first rod 46, specifically: an electric telescopic rod 452 is arranged in the sleeve 45, the movable end of the electric telescopic rod 452 is fixedly connected with the first rod body 46, and the first rod body 46 is driven to move in the sleeve 45 through the telescopic action of the movable end of the electric telescopic rod 452.

In order to avoid the first rod 46 from rotating during the expansion and contraction process, and further affect the acting force applied to the second rod 48, in this embodiment, the circumferential surface of the first rod 46 is provided with a plurality of limiting grooves 461, the inner wall of the sleeve 45 is inwardly protruded to form a convex strip matched with the limiting grooves 461, the convex strip is slidably connected with the limiting grooves 461, and the first rod 46 can only perform expansion and contraction motion along the axial direction of the sleeve 45 through the mutual cooperation of the convex strip and the limiting grooves 461.

The mounting plate 41 is provided with a sleeve hole 42 matched with the tightening tool 1, the inner wall of the sleeve hole 42 is provided with a positioning groove 43 matched with the tightening tool 1, the mounting plate 41 is correspondingly provided with a fixing bolt 44 in a threaded penetrating manner at the position corresponding to the sleeve hole 42, and the fixing bolt 44 extends into the sleeve hole 42. The connection between the mounting plate 41 and the tightening tool 1 is arranged as follows: the tightening sleeve 3 is first removed, the tightening tool 1 is then threaded into the socket 42, the positioning slot 43 is aligned with the corresponding position on the tightening tool 1, the fixing bolt 44 is then tightened, and finally the tightening sleeve 3 is reinstalled.

Since the second rod 48 will drive the sleeve 45 to move when receiving the force applied by the operator, in order to improve the installation stability of the sleeve 45, in this embodiment, the circumferential surface of the sleeve 45 is fixedly provided with the reinforcing rib 451, and the reinforcing rib 451 is fixedly connected with the mounting plate 41.

The motorized telescopic rod 452 is electrically connected to a flexible pressure sensor 482.

The present utility model is a reaction force lever for a tightening tool, and when in use, an operator aligns the tightening sleeve 3 with a bolt to be tightened, holds the auxiliary handle 2 and the second rod body 48, starts the tightening tool 1, and completes the tightening operation of the bolt.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A tightening tool reaction force lever, which is mounted on a tightening tool (1) and is used for counteracting a reaction force received by the tightening tool (1), and is characterized in that: the anti-skid device comprises a mounting plate (41), wherein the mounting plate (41) is of a strip-shaped structure, a sleeve (45) is arranged on the mounting plate (41) along the length direction of the mounting plate, a first rod body (46) is slidably connected with an inner cavity of the sleeve (45), a bent rod (47) is arranged at one end, far away from the sleeve (45), of the first rod body (46), a second rod body (48) perpendicular to the first rod body (46) is arranged at the other end of the bent rod (47), an anti-skid sleeve (481) is sleeved on the circumferential surface of the second rod body (48), and a flexible pressure sensor (482) is arranged between the anti-skid sleeve (481) and the second rod body (48); the flexible pressure sensor (482) is configured to detect a force applied by a user to the second lever (48), the first lever (46) moving away from the cannula (45) as the applied force increases.

2. The reaction force lever for a tightening tool according to claim 1, wherein: an electric telescopic rod (452) is arranged in the sleeve (45), and the movable end of the electric telescopic rod (452) is fixedly connected with the first rod body (46).

3. The reaction force lever for a tightening tool according to claim 1, wherein: the circumference of the first rod body (46) is provided with a plurality of limit grooves (461), the inner wall of the sleeve (45) protrudes inwards to form a convex strip matched with the limit grooves (461), and the convex strip is in sliding connection with the limit grooves (461).

4. The reaction force lever for a tightening tool according to claim 1, wherein: the mounting plate (41) is provided with a sleeve hole (42) matched with the tightening tool (1), the inner wall of the sleeve hole (42) is provided with a positioning groove (43) matched with the tightening tool (1), the position of the mounting plate (41) corresponding to the sleeve hole (42) is threaded and connected with a fixing bolt (44), and the fixing bolt (44) extends into the sleeve hole (42).

5. The reaction force lever for a tightening tool according to claim 1, wherein: reinforcing ribs (451) are fixedly arranged on the circumferential surface of the sleeve (45), and the reinforcing ribs (451) are fixedly connected with the mounting plate (41).

6. The reaction force lever for a tightening tool according to claim 2, wherein: the electric telescopic rod (452) is electrically connected with the flexible pressure sensor (482).