CN217572669U - Torque wrench with marking function - Google Patents

Abstract

The utility model discloses a torque wrench with marking function, belong to the construction tool field, a torque wrench with marking function, including the wrench head, the rear end threaded connection of wrench head has the wrench handle, the rear end of wrench handle is connected with the torque adjustment swing handle, a plurality of standing grooves have evenly been seted up to the inner wall of wrench head, the mounting hole that head and the tail corresponded to each other is all seted up to the lateral wall of a plurality of standing grooves, the joint has annular duct in a plurality of mounting holes, the equal fixedly connected with shunt tubes in the oblique side of outer wall of the multiple annular duct that is located the standing groove, annular duct's one end fixedly connected with nozzle is kept away from to the shunt tubes, annular duct's outer end wall top fixedly connected with honeycomb duct, it is through adding a plurality of nozzles in the wrench head, make can both automatic accomplish the mark between bolt and fastener after pulling the operation at every turn, staff's work efficiency has greatly been improved, the accuracy of mark has also been improved simultaneously.

Description

Torque wrench with marking function

Technical Field

The utility model relates to a construction tool field, more specifically say, relate to a torque wrench with marking function.

Background

Torque wrenches, also known as torque wrenches and torque adjustable wrenches, are one type of wrench that can be used to allow an operator to apply a specific torque value when the tightness of the screw and bolt is critical.

After using torque wrench to fasten screw and bolt, in order to ensure that in subsequent use, the torque value between screw and bolt does not change, simultaneously also for the maintenance convenience, operating personnel often can make a mark on screw and bolt, in subsequent maintenance process, operating personnel can be quick through this mark and judge whether take place to become flexible between screw and the bolt, and when operating personnel need once only fasten a plurality of screws and bolts, corresponding just need once only do a plurality of marks, this very big work efficiency that has reduced, and under long-time work, operating personnel is most likely to beat the mark askew, cause the influence to subsequent maintenance.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a torque wrench with marking function, it establishes a plurality of nozzles through adding in the wrench end for can both be automatic after fastening the operation at every turn and accomplish the mark between bolt and fastener, greatly improved staff's work efficiency, also improved the accuracy of mark simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a torque wrench with marking function, includes the wrench head, the rear end threaded connection of wrench head has the wrench handle, the rear end of wrench handle is connected with the torque adjustment swing handle, a plurality of standing grooves have evenly been seted up to the inner endwall of wrench head, and is a plurality of the mounting hole that head and the tail corresponded to each other is all seted up to the lateral wall of standing groove, and is a plurality of the joint has the ring conduit in the mounting hole, is located the many places of standing groove the equal fixedly connected with shunt tubes in the oblique side of outer wall of ring conduit, the one end fixedly connected with nozzle that the ring conduit was kept away from to the shunt tubes, ring conduit's outer endwall top fixedly connected with honeycomb duct, the top fixedly connected with storage box of wrench head, install miniature booster pump and pack in the storage box and have marking pigment, the one end that the ring conduit was kept away from to the honeycomb duct is linked together with storage box.

Furthermore, the side-looking cross section of the nozzle is of a trapezoidal structure, so that the marking pigment can be uniformly coated between the bolt and the fastener without dead angles, and the marking accuracy is further improved.

Furthermore, the filling hole is formed in the left end of the material storage box, the observation window is fixedly connected to the rear end of the material storage box, and an operator can observe the residual amount of the marking pigment in the material storage box through the observation window, so that the marking pigment is timely supplemented into the material storage box through the filling hole, and the use convenience of the product is improved.

Furthermore, the top end of the storage box is fixedly connected with an electric heating sheet, and the marking pigment filled in the storage box is preheated through the electric heating sheet, so that the possibility that the marking pigment is solidified in winter and cannot be sprayed out from the nozzle is reduced.

Furthermore, the outer end wall cover that the spanner handle is close to moment of torsion regulation twist grip department is equipped with the rubber sleeve, the outer end wall cover of rubber sleeve is equipped with the cotton cloth cover, has both increased operating personnel's comfort level when using for a long time, simultaneously, inhales through the cotton cloth cover sweat on to operating personnel's palm and wipes away, has also reduced operating personnel at the in-process of fastening hard, the possibility of rubber sleeve slippage from hand.

Furthermore, a plurality of grooves are evenly seted up to the outer end wall of torque adjustment swing handle to improve the frictional force on torque adjustment swing handle and operating personnel palm surface, make the rotation adjustment process of torque adjustment swing handle more smooth.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme is through adding in the spanner head and establish a plurality of nozzles for can both be automatic accomplish the mark between bolt and fastener after fastening the operation is accomplished at every turn, greatly improved staff's work efficiency, also improved the accuracy of mark simultaneously.

(2) The side view cross-section of nozzle is trapezium structure to the coating that makes mark pigment can be even no dead angle has further improved the accuracy of mark between bolt and the fastener.

(3) The filling hole is formed in the left end of the material storage box, the observation window is fixedly connected to the rear end of the material storage box, and the residual quantity of the marking pigment in the material storage box can be observed through the observation window by an operator, so that the marking pigment can be timely supplemented into the material storage box through the filling hole, and the use convenience of the product is improved.

(4) The top end of the storage box is fixedly connected with an electric heating piece, and the marking pigment filled in the storage box is preheated through the electric heating piece, so that the possibility that the marking pigment is solidified in winter and cannot be sprayed out from the nozzle is reduced.

(5) The outer end wall cover that the spanner handle is close to torque modulation swing handle department is equipped with the rubber sleeve, and the outer end wall cover of rubber sleeve is equipped with cotton cloth cover, has both increased the comfort level of operating personnel when using for a long time, simultaneously, inhales through cotton cloth cover sweat on to operating personnel's palm and wipes away, has also reduced operating personnel at the in-process of fastening hard, the possibility of rubber sleeve slippage from hand.

(6) A plurality of grooves are evenly seted up to the outer end wall of moment of torsion regulation swing handle to improve the frictional force on moment of torsion regulation swing handle and operating personnel palm surface, make the rotation regulation process of moment of torsion regulation swing handle more smooth.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of FIG. 1 at A;

fig. 3 is a schematic structural view of a portion of the ring conduit of the present invention.

The reference numbers in the figures illustrate:

1. a wrench head; 2. a wrench handle; 3. a rubber sleeve; 4. a torque adjustment knob; 5. a placement groove; 6. mounting holes; 7. an annular duct; 8. a shunt tube; 9. a nozzle; 10. a flow guide pipe; 11. a material storage box; 12. filling holes; 13. an electric heating sheet; 14. and (4) an observation window.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. 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 invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a torque wrench with a marking function includes a wrench head 1, a wrench handle 2 is connected to the rear end of the wrench head 1 through a screw thread, a torque adjusting rotating handle 4 is connected to the rear end of the wrench handle 2, a plurality of placing grooves 5 are uniformly formed in the inner end wall of the wrench head 1, mounting holes 6 corresponding to each other end to end are formed in the side walls of the placing grooves 5, annular guide tubes 7 are clamped in the mounting holes 6, shunt tubes 8 are fixedly connected to the oblique side portions of the outer walls of the annular guide tubes 7 in the placing grooves 5, one ends of the shunt tubes 8 far away from the annular guide tubes 7 are fixedly connected with nozzles 9, a guide tube 10 is fixedly connected to the upper portion of the outer end wall of the annular guide tubes 7, a storage box 11 is fixedly connected to the top end of the wrench head 1, a micro booster pump is installed in the storage box 11 and is filled with a marking pigment, and one ends of the guide tube 10 far away from the annular guide tubes 7 are communicated with the storage box 11.

Referring to fig. 3, the nozzle 9 has a trapezoidal cross-section, so that the marking paint can be uniformly coated between the bolt and the fastener without dead angles, thereby further improving the marking accuracy.

Referring to fig. 1, a filling hole 12 is formed at the left end of the storage box 11, an observation window 14 is fixedly connected to the rear end of the storage box 11, and an operator can observe the residual amount of the marking pigment in the storage box 11 through the observation window 14, so that the marking pigment is timely replenished into the storage box 11 through the filling hole 12, and the convenience in use of the product is improved.

The electric heating sheet 13 is fixedly connected to the top end of the storage box 11, and the marking pigment filled in the storage box 11 is preheated through the electric heating sheet 13, so that the possibility that the marking pigment is solidified in winter and cannot be sprayed out of the nozzle 9 is reduced.

The outer end wall cover that trigger handle 2 is close to torque modulation swing handle 4 department is equipped with rubber sleeve 3, and the outer end wall cover of rubber sleeve 3 is equipped with cotton cloth cover, has both increased the comfort level of operating personnel when using for a long time, simultaneously, inhales through cotton cloth cover sweat on to the operating personnel palm, has also reduced operating personnel at the in-process that fastens hard, the possibility of rubber sleeve 3 follow hand slippage.

A plurality of grooves have evenly been seted up to the outer end wall of torque adjustment swing handle 4 to improve the frictional force on torque adjustment swing handle 4 and operating personnel palm surface, make the rotation regulation process of torque adjustment swing handle 4 more smooth.

When the wrench is used, please refer to fig. 1-3, an operator rotates the torque adjusting rotary handle 4 according to a torsional value calibrated on a technical drawing, then the wrench head 1 is sleeved on the bolt to perform fastening operation, when a click sound is heard, the torque value between the bolt and the bolt is already achieved, the fastening operation is completed, at the moment, the operator can start the micro booster pump installed in the material storage box 11, the marking pigment filled in the material storage box 11 is sprayed on the bolt and the fastener through the guide pipe 10, the annular guide pipe 7, the flow distribution pipe 8 and the nozzle 9 through the micro booster pump, so that the marking pigment can form a continuous trace between six corners of the bolt and the fastener, in the subsequent maintenance and inspection process, once the operator finds that the continuous trace coated by the marking pigment between the bolt and the fastener is staggered, the torque value between the bolt and the bolt can be judged to be changed, the bolt and the bolt need to be overhauled, the utility model discloses a plurality of nozzles 9 are additionally arranged in the wrench head 1, so that the marking can be automatically completed between the bolt and the fastener after each fastening operation, the working efficiency of the worker is greatly improved, and the marking accuracy of the marking is also improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (6)

1. A torque wrench with a marking function, comprising a wrench head (1), characterized in that: the rear end threaded connection of wrench head (1) has wrench handle (2), the rear end of wrench handle (2) is connected with torque adjustment swing handle (4), a plurality of standing groove (5) have evenly been seted up to the inner endwall of wrench head (1), and is a plurality of mounting hole (6) that the head and the tail corresponded each other are all seted up to the lateral wall of standing groove (5), and is a plurality of the joint has ring conduit (7) in mounting hole (6), is located many places of standing groove (5) the equal fixedly connected with shunt tubes (8) of outer wall oblique side of ring conduit (7), the one end fixedly connected with nozzle (9) of ring conduit (7) are kept away from in shunt tubes (8), the outer end wall top fixedly connected with honeycomb duct (7) honeycomb duct (10), the top fixedly connected with storage box (11) of wrench head (1), install miniature booster pump and pack in storage box (11) and have marking pigment, the one end that ring conduit (7) were kept away from in honeycomb duct (10) is linked together with storage box (11).

2. The torque wrench with a marking function according to claim 1, wherein: the side-view section of the nozzle (9) is in a trapezoidal structure.

3. A torque wrench as claimed in claim 1, wherein: the left end of the storage box (11) is provided with a filling hole (12), and the rear end of the storage box (11) is fixedly connected with an observation window (14).

4. The torque wrench with a marking function according to claim 1, wherein: the top end of the storage box (11) is fixedly connected with an electric heating piece (13).

5. A torque wrench as claimed in claim 1, wherein: the outer end wall of the wrench handle (2) close to the torque adjusting rotating handle (4) is sleeved with a rubber sleeve (3), and the outer end wall of the rubber sleeve (3) is sleeved with a cotton cloth sleeve.

6. A torque wrench as claimed in claim 1, wherein: a plurality of grooves are uniformly formed in the outer end wall of the torque adjusting rotary handle (4).

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