CN214923943U - Digital display torque wrench - Google Patents

Abstract

The utility model discloses a digital display torque wrench, including electric box, spanner head, battery compartment, storehouse lid, the mounting groove has been seted up to the lateral wall symmetry around the electric box, is provided with the heat dissipation strip in the mounting groove, has seted up the gas pocket on the heat dissipation strip, is equipped with the arcwall face on the outer wall of battery compartment, and the front and back end symmetry of storehouse lid is equipped with the catching groove, perforates, is equipped with annular slot on the storehouse lid, and the symmetry is equipped with the locking groove on the front and back end wall of battery compartment, and the locking inslot joint has the locking post, is equipped with spring, pin cap on the locking post. Through the mounting groove that sets up on the outer wall around the electric box to set up the heat dissipation strip structure that has through gas pocket in the mounting groove, improved the effective effluvium of the heat that circuit board produced in the use in the electric box, and then guarantee digital display torque wrench's normal use, realized the convenient efficiency of digital display torque wrench's battery installation, the sunken formula pin cap structure can not influence digital display torque wrench's outward appearance.

Description

Digital display torque wrench

Technical Field

The utility model belongs to the technical field of torque wrench, specifically be a digital display torque wrench.

Background

Torque wrenches, also known as torque wrenches, are one type of wrench and can be classified into preset, fixed, dial, digital, slip, bend, and kilogram wrenches, and when the tightness of the screw and bolt is critical, the use of a torque wrench allows the operator to apply a specific torque value.

The publication number CN2510241Y discloses a digital display torque wrench, which comprises a wrench head, a measuring rod, an electrical box and a handle, wherein an electronic circuit board is arranged in the electrical box, a battery compartment is arranged in the handle, and a power supply battery is arranged in the battery compartment.

However, in the digital torque wrench, heat generated by the circuit board in the electric box during use cannot be effectively dissipated, and normal use of the digital torque wrench is affected.

In addition, current digital display torque wrench, because it is fixed for threaded connection between its storehouse lid and the battery compartment, it is when the installation battery, will not stall anticlockwise rotation earlier with the storehouse lid and wait to break away from with the battery compartment, then put into the battery compartment with the battery, then, will stall the storehouse lid and then the clockwise rotation storehouse lid that does not stall again, until storehouse lid and battery compartment screw thread locking, digital display torque wrench's battery installation's convenient efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digital display torque wrench to the heat that circuit board produced in the use in the electric box of digital display torque wrench among the solution prior art can not effectively effluvium and can influence the normal use of digital display torque wrench, the lower problem of convenient efficiency of digital display torque wrench's battery installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a digital display torque wrench, includes electric box, spanner head, battery compartment, cang gai, the mounting groove has been seted up to the lateral wall symmetry around the electric box, be provided with the heat dissipation strip in the mounting groove, the gas pocket has been seted up on the heat dissipation strip, be equipped with the arcwall face on the outer wall of battery compartment, the front and back end symmetry of cang gai is equipped with catching groove, perforation, the cang gai is equipped with annular slot, the symmetry is equipped with the locking groove on the front and back end wall of battery compartment, the joint has the locking post in the locking groove, be equipped with spring, round pin cap on the locking post, the novel structure that uses, except special explanation, all adopt the aluminum alloy material to make, matter is light, and intensity is high, easy welding process.

Preferably, the whole size of heat dissipation strip is not higher than the inside groove size of mounting groove, guarantees the holistic planarization of electric box.

Preferably, the heat dissipation strip divide into two sets of front and back symmetry, and every vertical twenty four that are the transverse arrangement and set up of every group, cross the gas pocket and be vertical four that arrange the setting and link up every heat dissipation strip, the heat dissipation strip is rectangular structure, and the body adopts aluminium system ceramic composite material to make, and the thermal capacity is little to its inside micropore hole structure that is, can effectually radiate the heat that comes the conduction, the gas pocket is crossed to the cooperation through-going simultaneously, realizes the quick flow dispersion of hot gas flow.

Preferably, the pin cap is not higher than the catching groove, so that the clamping stability between the battery compartment and the compartment cover is ensured, and the smoothness of the outer side of the compartment cover is ensured.

Preferably, the mounting groove is through-type from top to bottom, and circuit board in the electric box can produce the heat in the use, and this heat can be passed through the electric box transmission of aluminium material and give every heat dissipation strip, then cooperates the effect that the hot gas flow rises by oneself, has wholly improved the radiating efficiency.

Preferably, the outside end of locking post is located to the round pin cap, the spring is located between round pin cap and the catching groove inner wall, the locking post passes the perforation and with locking groove joint, the right-hand member and the annular slot of battery compartment are pegged graft, and this annular grafting structure has improved the installation steadiness between battery compartment and the cang gai greatly.

Preferably, the cross-section of catching groove is square column structure, the whole circular cone structure of round pin cap and catching groove inner wall between have two centimetres intervals, can guarantee to point to dig into the round pin cap in the catching groove and pull out the locking post fast.

Compared with the prior art, the beneficial effects of the utility model are that:

through the mounting groove that sets up on outer wall around the electric box to set up the heat dissipation strip structure that has through-type air passing hole in the mounting groove, improved the effective effluvium of the heat that circuit board produced in the use in the electric box greatly, and then guaranteed the normal use of digital display torque spanner.

Through the quick joint mounting structure who sets up between battery compartment and cang gai, realized the convenient efficiency of digital display torque wrench's battery installation, in addition, the sunken formula cotter cap structure can not influence digital display torque wrench's outward appearance.

Drawings

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

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is a top view of the overall structure of the present invention;

fig. 4 is an enlarged view of the position B in fig. 3 according to the present invention.

In the figure: 1 electric box, 11 spanner heads, 2 mounting grooves, 3 heat dissipation strips, 31 air passing holes, 4 battery bins, 41 locking grooves, 5 bin covers, 51 annular slots, 52 through holes, 6 buckling grooves, 7 locking columns, 71 springs, 72 pin caps and 8 arc-shaped surfaces.

Detailed Description

Referring to fig. 1, a digital display torque wrench includes an electrical box 1, a wrench head 11, a battery compartment 4, and a compartment cover 5, which are all the component structures of the digital display torque wrench disclosed in the publication No. CN 2510241Y.

Please refer to fig. 1, fig. 2, and fig. 3, the front and rear side walls of the electrical box 1 are symmetrically provided with mounting grooves 2, the mounting grooves 2 are vertically through type, heat dissipation strips 3 are provided in the mounting grooves 2, air holes 31 are provided on the heat dissipation strips 3, the heat dissipation strips 3 are divided into two sets of front and rear symmetrical parts, twenty-four vertical parts of each set are arranged transversely, the overall size of the heat dissipation strips 3 is not higher than the size of the inner groove of the mounting grooves 2, the air holes 31 are four vertical parts and penetrate through each heat dissipation strip 3, the effective dissipation of heat generated by the circuit board in the electrical box 1 in the using process is greatly improved, and the normal use of the digital display torque wrench is further ensured.

Referring to fig. 1, an arc surface 8 is disposed on the outer wall of the battery compartment 4, and the arc surface 8 is disposed at each corner of the battery compartment 4, so as to improve the smoothness and comfort when the battery compartment 4 is held by a hand for use.

Referring to fig. 1, 3 and 4, the front end and the rear end of the bin cover 5 are symmetrically provided with a fastening groove 6 and a through hole 52, the bin cover 5 is provided with an annular slot 51, the front end wall and the rear end wall of the battery bin 4 are symmetrically provided with locking grooves 41, a locking column 7 is clamped in the locking grooves 41, the locking column 7 is provided with a spring 71 and a pin cap 72, the pin cap 72 is arranged at the outer side end of the locking column 7, the spring 71 is arranged between the pin cap 72 and the inner wall of the fastening groove 6, the locking column 7 passes through the through hole 52 and is clamped with the locking groove 41, the right end of the battery bin 4 is inserted into the annular slot 51, the cross section of the fastening groove 6 is of a square structure, the pin cap 72 is integrally of a conical structure and has a distance of two centimeters from the inner wall of the fastening groove 6, and fingers can be ensured to be inserted into the pin cap 72 in the fastening groove 6 and pull out the locking column 7 quickly.

The working principle of the scheme is as follows: when needs installation battery, the finger simultaneously digs into the round pin cap 72 in the catching groove 6 and withdraws from locking groove 41 with locking post 7 pulling, spring 71 is in tensile deformation state this moment, break away from storehouse lid 5 and battery compartment 4 after that, put into battery compartment 4 with the battery again, peg graft storehouse lid 5 with battery compartment 4 through annular slot 51, then loosen and hold round pin cap 72, the spring 71 that is in tensile deformation state draws back and resets, drive locking post 7 card and go into in locking groove 41, can accomplish the installation of battery, the convenient efficiency of digital display torque wrench's battery installation has been realized.

Claims (7)

1. The utility model provides a digital display torque wrench, includes electric box (1), spanner head (11), battery compartment (4), cang gai (5), its characterized in that: mounting groove (2) have been seted up to lateral wall symmetry around electric box (1), be provided with heat dissipation strip (3) in mounting groove (2), air pocket (31) have been seted up on heat dissipation strip (3), be equipped with arcwall face (8) on the outer wall of battery compartment (4), the front and back end symmetry of storehouse lid (5) is equipped with catching groove (6), perforation (52), be equipped with annular slot (51) on storehouse lid (5), the symmetry is equipped with locking groove (41) on the front and back end wall of battery compartment (4), the joint has locking post (7) in locking groove (41), be equipped with spring (71), round pin cap (72) on locking post (7).

2. The digital torque wrench as claimed in claim 1, wherein: the heat dissipation strips (3) are divided into two groups which are symmetrical front and back, and each group of heat dissipation strips is vertically twenty-four in transverse arrangement.

3. The digital torque wrench as claimed in claim 1, wherein: the whole size of the heat dissipation strip (3) is not higher than the size of the inner groove of the mounting groove (2).

4. The digital torque wrench as claimed in claim 1, wherein: the air passing holes (31) are four vertically arranged and penetrate through each heat dissipation strip (3).

5. The digital torque wrench as claimed in claim 1, wherein: the mounting groove (2) is vertically through.

6. The digital torque wrench as claimed in claim 1, wherein: the outside end of locking post (7) is located in round pin cap (72), between round pin cap (72) and catching groove (6) inner wall is located in spring (71), locking post (7) pass perforation (52) and with locking groove (41) joint, the right-hand member and annular slot (51) of battery compartment (4) are pegged graft.

7. The digital torque wrench as claimed in claim 1, wherein: the cross section of the catching groove (6) is of a square structure, and the pin cap (72) is of a conical structure integrally and has a distance of two centimeters from the inner wall of the catching groove (6).

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