CN102837281A

CN102837281A - Socket spanner with adjustable spacing

Info

Publication number: CN102837281A
Application number: CN201210335293XA
Authority: CN
Inventors: 黄慧群; 刘健
Original assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Current assignee: JIANGSU HONGDU INTERNATIONAL ELECTROMECHANICAL CO., LTD.
Priority date: 2012-09-12
Filing date: 2012-09-12
Publication date: 2012-12-26
Anticipated expiration: 2032-09-12
Also published as: CN102837281B

Abstract

The invention relates to a socket spanner with an adjustable spacing. Two symmetrical wings of a T-shaped spanner body are provided with inner groove guide rails; sliding blocks are matched with the inner groove guide rails, have the same thicknesses with the inner groove guide rails and are in slide fit with the inner groove guide rails; the sliding blocks are arranged in the inner groove guide rails and can slide along the inner groove guide rails; the centers of the sliding blocks are provided with spline holes; the middle parts of spline inserted pins are matched with the spline holes; screw threads of small heads at the tops of the spline inserted pins are occluded with butterfly nuts; and inserted heads below big round heads at the bottoms of the spline inserted pins are matched with small holes for fastening the end faces of round nuts to be screwed down. The spline inserted pins are inserted into the spline holes; the symmetrical T-shaped spanner body center line is translated along the inner groove guide rails of the two wings, so that the inserted heads are matched and aligned with the hole pitch of the small holes for fastening the end faces of the round nuts to be screwed down; the butterfly nuts are screwed down; and the spline inserted pins are fastened in the corresponding positions in the inner groove guide rails. Due to the adjustable spacing of the spline inserted pins, the socket spanner can adapt to various specifications of hole pitches of the small holes for fastening the end faces of the round nuts to be screwed down and can be used for carrying out installation and disassembly on different specifications of round nut sealing cylindrical parts.

Description

The socket spanner that a kind of spacing is adjustable

Technical field

The present invention relates to a kind of erecting tools--spanner, the socket spanner that the spacing that round nut is sealed in particularly a kind of installation is adjustable.

Background technology

In parts assemblings, often run into the cartridge type that seals with round nut and install, shown in accompanying drawing 8--9: the installation of general round nut 11 needs concordant with outer cylinder body 10 or a little less than urceolus 10, and round nut 11 end faces are drilled with as the hole 12 that tightens up usefulness.Existing installing/dismounting method is: according to the pitch-row subscription specific socket spanner 13 of the installation aperture 12 that is drilled with above the round nut 11; It is customized that this method belongs to man-to-man specific purpose tool; Selected spanner need be followed according to round nut upper ejector lever pitch of holes and customized; The model of round nut is different, adopts spanner also different, and applicability is single; Latch and pull between body the moment of friction that produces when the frictional force that relies on interference fit to produce overcomes work, it is little to bear moment; Latch and pulling between the body owing to adopt interference fit produces certain plastic deformation, does not use also to be in stress the service life of reduction instrument at ordinary times.Therefore, existing mounting and dismounting tool is a specific purpose tool, and versatility is poor, and it is short little and life tools to bear operational forces.

Summary of the invention

The technical problem that the present invention will solve provides the adjustable socket spanner of a kind of spacing, can seal the cartridge type parts to the different round nut of specification and carry out effective installing/dismounting.

For solving the problems of the technologies described above; Technical scheme of the present invention is: the socket spanner that a kind of spacing is adjustable; The symmetrical both wings that body pulled in the T font are provided with the inner groovy guide rail, and slide block is complementary with the inner groovy guide rail, thickness equates and be slidingly matched, and slide block is packed into and can be along the slippage of inner groovy guide rail; The slide block center is provided with splined hole, spline latch middle part and splined hole coupling, little head thread in spline latch top and wing nut interlock, the plug under the big round end in spline latch bottom and the aperture coupling of the fastening usefulness of round nut end face that remains to be screwed.The both wings termination that body pulled in said T font is provided with obstruction.Said spline latch inserts splined hole; Along the inner groovy guide rail of both wings, the translation of body center line pulled in symmetrical T font, makes the plug and the pitch-row of the aperture of the fastening usefulness of round nut end face that remains to be screwed mate contraposition; Tighten wing nut, be fastened on the spline latch correspondence position of inner groovy guide rail.

The invention has the beneficial effects as follows: 1, spline latch spacing of the present invention is adjustable; To adapt to the pitch-row of the fastening all size with aperture of the round nut end face that remains to be screwed; Have generalization, modular characteristic can be sealed the cartridge type parts to the different round nut of specification and carried out effective installing/dismounting.

2, adopt guide rail slide block type moving sets, improved the stability when regulating, the modified line contact can be born bigger active force for the face contact; Latch adopts spline and slide block to fix, and adopts wing nut to compress, and latch does not stress when not working, and can compress rapidly again during work, and is easy to operate.The spline latch is fastening firmly, and stress is good, long service life.Overcome existing man-to-man special spanner, applicability is single, the round nut of different model is needed the defective of customization separately and instrument undercapacity.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified.

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the A portion enlarged drawing of Fig. 1.

Fig. 4 is the structural representation that body pulled in the T font.

Fig. 5 is the structural representation of slide block.

Fig. 6 is the left view of Fig. 5.

Fig. 7 is the structural representation of spline latch.

Fig. 8 is the cartridge type scheme of installation that seals with round nut.

Fig. 9 is the vertical view (existing socket spanner is represented in double dot dash line) of Fig. 8.

The specific embodiment

Embodiment1 shown in Fig. 1-7: the symmetrical both wings that the socket spanner that a kind of spacing is adjustable, T font are pulled body 1 are provided with inner groovy guide rail 6, and slide block 3 is complementary with inner groovy guide rail 6, thickness equates and be slidingly matched, and slide block 3 is packed into and can be along 6 slippages of inner groovy guide rail; Slide block 3 centers are provided with splined hole 7; Spline latch 2 middle parts and splined hole 7 couplings; Little head thread in spline latch 2 tops and wing nut 4 interlocks, plug 9 under the big round end 8 in spline latch 2 bottoms and the aperture of the fastening usefulness of round nut 11 end faces that remains to be screwed 12 couplings.Microcephaly's screw thread of spline latch 2 inserts the wing nut 4 of screwing on behind the splined hole 7 of slide block 3; The slide block 3 of the having assembled spline latch 2 inner groovy guide rail 6 of packing into will stop up the 5 both wings terminations that the T font pulls body 1 of packing into again, and anti-limited slip block 3 is deviate from inner groovy guide rail 6.

Embodiment 2Shown in Fig. 1-9: the embodiment 1 said slide block 3 of assembling spline latch 2; Can be along the inner groovy guide rail 6 of both wings; Body 1 center line translation pulled in symmetry T font; Make the plug 9 and the pitch-row of the aperture 12 of the fastening usefulness of round nut 11 end faces that remains to be screwed mate contraposition, tighten wing nut 4, be fastened on spline latch 2 correspondence position of inner groovy guide rail 6.Because the spacing of spline latch 2 is adjustable,, can seals the cartridge type parts to the different round nut of specification and carry out effective installing/dismounting to adapt to the pitch-row of the fastening all size with aperture 12 of round nut 11 end faces that remain to be screwed; Fastening spline latch is firm, and stress is good, long service life.Overcome existing man-to-man special spanner, applicability is single, the round nut of different model is needed the defective of customization separately and instrument undercapacity.

The barrel type assembling of round nut; Require round nut 11 surfaces concordant with outer cylinder body 10 a little less than perhaps, shown in Fig. 8-9, the driving hole when eight apertures 12 among the figure are installation; Spanner and round nut 11 are through the latch application of force; Overcome the moment of friction between round nut 11 and the outer cylinder body 10, round nut 11 is screwed in outer cylinder body 10, form sealing and install.

The present invention adopts guide rail slide block type moving sets, has improved the stability when regulating, and the modified line contact can be born bigger active force for the face contact; Spline latch 2 and slide block 3 are fixed through spline fitted, adopt wing nut 4 to compress, and spline latch 2 does not stress when not working, and can compress rapidly again during work, and is easy to operate, obtains equipment life prolonging.

Claims

1. socket spanner that spacing is adjustable; It is characterized in that: the symmetrical both wings that body (1) pulled in the T font are provided with inner groovy guide rail (6); Slide block (3) is complementary with inner groovy guide rail (6), thickness equates and be slidingly matched, and slide block (3) is packed into and can be along inner groovy guide rail (6) slippage; Slide block (3) center is provided with splined hole (7); Spline latch (2) middle part and splined hole (7) coupling; Little head thread in spline latch (2) top and wing nut (4) interlock, the plug (9) under the big round end (8) in spline latch (2) bottom and aperture (12) coupling of the fastening usefulness of round nut (11) end face that remains to be screwed.

2. according to the adjustable socket spanner of the said a kind of spacing of claim 1, it is characterized in that: the both wings termination that body (1) pulled in said T font is provided with obstruction (5).

3. according to the adjustable socket spanner of the said a kind of spacing of claim 1, it is characterized in that: said spline latch (2) inserts splined hole (7), along the inner groovy guide rail (6) of both wings,

Body (1) center line translation pulled in symmetry T font; Make the plug (9) and the pitch-row of the aperture (12) of the fastening usefulness of round nut (11) end face that remains to be screwed mate contraposition; Tighten wing nut (4), be fastened on spline latch (2) correspondence position of inner groovy guide rail (6).