CN212385355U

CN212385355U - Telescopic clamping wrench

Info

Publication number: CN212385355U
Application number: CN202020252911.4U
Authority: CN
Inventors: 何生辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-22
Anticipated expiration: 2030-03-04

Abstract

The application discloses scalable clamp spanner, including spanner main part and the spanner sliding body, seted up in the spanner main part and pressed from both sides the hole, wherein seted up first apex angle on the pore wall that presss from both sides the hole, the spanner sliding body slidable is fixed on spanner main part, is provided with the second apex angle on the spanner sliding body, first apex angle equals with the angle of second apex angle, and first apex angle and second apex angle are in on a straight line. The utility model discloses following beneficial effect has: two opposite angles of the nut are clamped through the first top angle and the second top angle, so that slipping and shifting cannot occur after the two opposite angles of the nut are clamped, and the use is more reliable.

Description

Telescopic clamping wrench

Technical Field

The utility model relates to a fastener field especially relates to a scalable clamping spanner.

Background

The existing wrench is a common tool for screwing the hexagon nut, and is shown in patent CN2016306630832, the wrench clamps two sides of the hexagon nut when screwing the hexagon nut, but in practice, the wrench is very easy to slide with the edge of the hexagon nut during use, so the wrench often slips during screwing the hexagon nut.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a scalable clamp spanner is proposed.

The utility model adopts the following technical scheme:

the utility model provides a scalable clamping spanner, includes spanner main part, spanner sliding body and spanner holding cover, and the spanner sliding body is fixed in spanner main part spout through two splint, and the spanner main part inserts in the spanner holding cover.

The wrench is characterized in that the wrench main body is provided with a clamping hole, wherein a first vertex angle is arranged on the hole wall of the clamping hole, the wrench sliding body can be fixed in the wrench main body sliding groove in a sliding mode, a second vertex angle is arranged on the wrench sliding body, the angle of the first vertex angle is equal to that of the second vertex angle, and the first vertex angle and the second vertex angle are located on the same straight line.

Two opposite angles of the nut are clamped by the first top angle of the wrench main body and the second top angle of the wrench sliding body, so that slipping and shifting cannot occur after the two opposite angles of the nut are clamped, and the use is more reliable.

Optionally, the angle of the first vertex angle is 120 degrees, and the angle of the second vertex angle is 120 degrees.

When the hexagon nut is fitted, the angle of the first vertex angle and the second vertex angle needs to be 120 degrees.

Optionally, the wrench also comprises a screw hole block, wherein a screw hole is formed in the center of the screw hole block and is fixed in the chute of the wrench main body through a screw, so that the wrench main body and the screw hole block form a whole.

Optionally, the wrench comprises two screw rods with opposite rotation directions, the wrench sliding body is also provided with screw holes, and the screw rods are respectively matched with the screw hole blocks and the screw holes on the wrench sliding body.

Optionally, the bidirectional screw rod adjusting device further comprises an adjusting rotary block, a thread is arranged in a center hole of the adjusting rotary block, and threaded rods at the tail ends of the two screw rods can be screwed into the adjusting rotary block, so that the two screw rods form the bidirectional screw rod.

When the lead screw rotates, the wrench sliding body and the wrench main body slide relatively, and the second vertex angle is close to or far away from the first vertex angle. The distance between the first vertex angle and the second vertex angle is adjusted through the screw rod, so that the nuts with different sizes can be clamped by the first vertex angle and the second vertex angle.

Meanwhile, the specification parameters of the diameter, the thread pitch and the lead of the two screw rods are consistent and opposite in rotating direction.

The function of adjusting the rotary block is mainly convenient for people to rotate the screw rod.

Optionally, the wrench comprises a screw rod fixing block, the screw rod fixing block is placed in a chute of the wrench main body and fixed with the wrench holding sleeve through a screw, and the cylindrical part at the tail end of the screw rod is inserted into a center hole of the screw rod fixing block, so that the screw rod can rotate conveniently and the screw rod is guaranteed not to displace axially.

Optionally, the center of the wrench holding sleeve is a rectangular hole, the wrench holding sleeve is attached to the wrench main body, and when the rotating block is adjusted by rotating, the wrench main body can slide in the wrench holding sleeve.

Optionally, the clamping hole on the wrench body is a regular hexagon clamping hole.

Description of the drawings:

FIG. 1 is a schematic view of the overall appearance of a retractable clamping wrench;

FIG. 2 is an exploded schematic view of the retractable clamping wrench;

fig. 3 is an exploded view of a portion of the retractable clamping wrench in detail.

The figures are numbered: 1. the wrench comprises a wrench grip 101, a rectangular hole 2, a wrench body 201, a sliding chute 202, a clamping hole 203, a first vertex angle 3, a wrench sliding body 301, a clamping plate 302, a second vertex angle 4, an adjusting rotary block 5, a screw hole block 6, a screw rod fixing block 7, a main screw rod 8, an auxiliary screw rod 9 and a locking screw.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, a retractable clamping wrench comprises a wrench body 2 and a wrench sliding body 3, wherein the wrench body 2 is provided with a sliding groove 201, and the wrench sliding body 3 is fixed in the sliding groove 201 by two clamping plates 301 through a locking screw 9; the wrench body 2 is provided with a clamping hole 202, wherein a first vertex angle 203 is arranged on the hole wall of the clamping hole 202, the wrench sliding body 3 is provided with a second vertex angle 302, the first vertex angle 203 and the second vertex angle 302 have the same angle, and the first vertex angle 203 and the second vertex angle 302 are on the same straight line.

In the device, the two opposite angles of the nut are clamped through the first top angle 203 and the second top angle 302, so that slipping and shifting cannot occur after the two opposite angles of the nut are clamped, and the use is more reliable.

As shown in fig. 1 and 2, the angle of the first vertex 203 is 120 degrees, and the angle of the second vertex 302 is 120 degrees.

When fitting a hexagonal nut, the angle of the first top corner 203 to the second top corner 302 needs to be 120 degrees.

As shown in fig. 2, the wrench also comprises a screw hole block 5, the center of which is provided with a screw hole and is fixed in the sliding chute 201 by using a locking screw 9, so that the wrench body 2 and the screw hole block 5 form a whole, and the screw hole block can also displace along with the wrench body 2 when being driven by a screw rod.

As shown in the attached

drawings

2 and 3, the screw rod adjusting device further comprises a main screw rod 7, an auxiliary screw rod 8 and an adjusting rotary block 4, wherein a threaded hole is formed in the center of the adjusting rotary block 4, and the screw rod parts of the main screw rod 7 and the auxiliary screw rod 8 are screwed into the threaded hole of the adjusting rotary block 4; the thread specifications of the main screw rod 7 and the auxiliary screw rod 8 are consistent except for the opposite rotation directions, so that the two screw rods are equivalent to a bidirectional screw rod.

As shown in fig. 2 and fig. 3, a threaded hole is formed in the center of the wrench sliding body 3, the auxiliary screw rod 8 is matched with the threaded hole in the center of the wrench sliding body 3, and the main screw rod 7 is matched with the threaded hole in the center of the threaded block 5; through rotation regulation spiral piece 4 drive main lead screw 7 and supplementary lead screw 8 to make spanner main part 2 and spanner sliding body 3 take place relative motion, first apex angle 203 just can be close to each other or keep away from with second apex angle 302, just so can guarantee that first apex angle 203 and second apex angle 302 clip not unidimensional nut.

As shown in fig. 2 and fig. 3, the screw rod fixing block 6 is further included, a circular hole is formed in the center, a cylindrical portion at the tail end of the main screw rod 7 is inserted into the circular hole, and the screw rod fixing block 6 is also located in the sliding groove 201 to ensure that the screw rod rotates stably.

As shown in the attached drawings 1 and 2, the wrench handle sleeve 1 is further included, the center of the wrench handle sleeve is a rectangular hole 101, the wrench body 2 is inserted into the rectangular hole 101, and the screw rod fixing block 6 is fixed in the wrench handle sleeve 1 through a locking screw 9; this ensures that the screw rod will not move axially and the wrench body 2 can slide smoothly in the rectangular hole 101 of the wrench grip 1.

As an optimized variant, the angle of the first apex angle 203 may be 135 degrees.

When the first apex angle 203 and the second apex angle 302 are 135 degrees, the device is matched with an octagonal nut.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a scalable clamping spanner which characterized in that, includes spanner main part, spanner sliding body and spanner holding sleeve, and the spanner sliding body is fixed in spanner main part spout through two splint, and the spanner main part inserts in the spanner holding sleeve.

2. The retractable clamping wrench of claim 1, further comprising a threaded block secured to the slot of the wrench body, the wrench slider also having a threaded hole with threads in a direction opposite to the direction of the threads of the threaded block.

3. The retractable clamping wrench of claim 2, further comprising a bi-directional lead screw coupled to said wrench slide and to said threaded block; when the screw rod rotates, the wrench main body and the wrench sliding body are relatively close to or far away from each other.

4. The retractable clamping wrench of claim 3, further comprising an adjustment knob fixedly disposed on the lead screw.

5. The retractable clamping wrench as claimed in claim 3, further comprising a screw fixing block having a hole formed in a center thereof, wherein the cylindrical portion of the end of the screw is inserted into the center hole of the screw fixing block.

6. The retractable clamping wrench of claim 5, wherein the lead screw retaining block is secured to the wrench grip sleeve.

7. The retractable clamping wrench of claim 5, wherein the lead screw retaining block is located in a slot in the wrench body.