CN107259855A

CN107259855A - Quick release and the adjustment mechanism of locking

Info

Publication number: CN107259855A
Application number: CN201610213267.8A
Authority: CN
Inventors: 陈得峻
Original assignee: GUANGLIDA ENTERPRISE CO Ltd
Current assignee: GUANGLIDA ENTERPRISE CO Ltd
Priority date: 2016-04-07
Filing date: 2016-04-07
Publication date: 2017-10-20
Anticipated expiration: 2036-04-07
Also published as: CN107259855B

Abstract

The present invention is a kind of quick release and the adjustment mechanism of locking, between sliding part and fixture, include gasket member, the first rachet, the second rachet, T-shaped sleeve part and locking part, annular ratchets of first and second rachet provided with correspondence coupling, T-shaped sleeve part is linked in the centre bore of the second, first rachet and contradicted in gasket member, and locking part keeps couple state through two annular ratchets on fixture that lock again of long slot bore on T-shaped sleeve part, gasket member and sliding part；Height fall of two annular ratchets in high-low position is Hf, and it is that total height of the rachets of D1, second and first in low level is D2 that the set of T-shaped sleeve part, which shares height, and D1 is more than D2, D1 D2=G ＞ 0 and Hf ＞ G ＞ 0；When the second rachet is become low level or is become a high position by low level with respect to the first rachet by a high position, unblock is formed between gasket member and sliding part supplies the position of adjustment sliding part to form locking state, and the sealed and adjustment quick operating function of energy again can be consolidated by reaching not adjust.

Description

Quick release and the adjustment mechanism of locking

Technical field

The present invention relates to a kind of quick release and the adjustment mechanism of locking, for installed in a sliding part and a fixture it Between, it is espespecially a kind of by a gasket member, one first rachet, one second rachet, a T-shaped sleeve part and a lock Firmware is constituted, and can consolidate when not adjusting it is sealed, in adjustment again can fast operating to form released state confession The position for adjusting the sliding part and reverse operating is may move to form locking state.

Background technology

Between one sliding part and a fixture set up have an adjustment mechanism, to operate and adjust the sliding part relative to The position of the fixture, illustrates by taking the adjustment mechanism of the armrest of seat of a known chair as an example but is not used to limitation originally below Invention：With reference to Fig. 1, the sliding part (2) can be considered the horizontal branch in bottom (205) of the armrest of seat (204) of a chair, and this is fixed Part (3) can be considered the seat support body (301) of the chair, and the wherein horizontal branch in bottom (205) of the armrest of seat (204) is arranged on the chair Seat support body (301) bottom surface (302) on, and the seat support body of the horizontal branch in bottom (205) and the chair in the armrest of seat (204) (301) adjusting mechanism is installed, so that the armrest of seat (203) obtains the energy phase after the adjustment mechanism is unlocked between For the mobile lateral attitude for adjusting the armrest of seat (203) of the seat support body (301) (such as four-headed arrow A institutes in Fig. 1 Show), it is to be adjusted after the adjustment mechanism is locked again to be positioned at new position.

Above-mentioned known adjustment mechanism is usually by one first rachet, one second rachet and a locking part such as screw Constituted, wherein, the first face of the first rachet is directly against being located at a length in the horizontal branch in bottom (205) of armrest of seat (204) On the inner bottom surface (202) of shape shoulder hole (201), annular ratchets are provided with its second relative face；Second rachet The first face the annular ratchets of first rachet are coupled in correspondence provided with corresponding annular ratchets；The locking Part sequentially locks in the bottom surface (302) of the seat support body (301) of chair again through the centre bore of the second and first rachet On.So, above-mentioned known adjustment mechanism has its own shortcomings when in use：

When locking part being passed through into the second and first rachet and lock on the bottom surface (302) of seat support body (301), The sealed tightness of the locking part is not easily controlled very much in assembling operation, if because sealed too tight, consumer is (especially Women) do not allow second rachet easy to operate to carry out rotating for convert the rwo relative to first rachet Between two annular ratchets coupling position；And if it is sealed not tight, the horizontal branch in bottom (205) of the armrest of seat (204) no matter All can not firmly it lock on the bottom surface of the chair seat support body (301) before adjustment or after adjustment, it is relative to cause the chair Handrail (204) phenomenon that loosens built on the sand or easily in use, largely effect on the armrest of seat (204) service efficiency, Reliability and the desire to buy of consumer, are unfavorable for the installation, mass production and market competition of the armrest of seat.

From the foregoing, it will be observed that for above-mentioned adjustment mechanism, the structure of the prior art of this area is difficult to meet reality in fact The demand used, therefore still suffer from further room for improvement.

The content of the invention

In order to solve the above technical problems, it is an object of the invention to：A kind of quick release and the adjustment machine of locking are provided Structure, between a sliding part and a fixture, espespecially one kind is by a gasket member, one first rachet, one Second rachet, a T-shaped sleeve part and a locking part are constituted, and can consolidate when not adjusting sealed, are being adjusted Energy fast operating supplies the removable position for adjusting the sliding part and reverse operating with shape to form released state again when whole Into locking state.

To achieve the above object, the technical solution adopted in the present invention is：

A kind of quick release and the adjustment mechanism of locking, between a sliding part and a fixture so that the cunning Moving part relative to the fixture move adjustment position and locking positioning again after unblock, it is sequentially included：

One gasket member, it has a centre bore and one first face second face relative with one, and wherein first face is sticked On the sliding part on the inner bottom surface of an elongated shoulder hole；

One first rachet, it also has another centre bore and another first face and another the second relative face, wherein First face of first rachet is sticked on the second face of the gasket member, and the second face of first rachet is provided with One annular ratchets, the annular ratchets of first rachet include the ratchet face of an at least annular arrangement, first ratchet Each ratchet face of part extends to the high position comprising a low level, a high position and a slope by the low level；

One second rachet, it also has another centre bore and another first face second face relative with one, wherein should An annular ratchets also are provided with first face of the second rachet to be coupled on the second face of first rachet with correspondence Set annular ratchets, the annular ratchets of second rachet also include the ratchet face of an at least annular arrangement, and this Each ratchet face of two rachets includes a low level, one high-order and a slope extends to the high position by the low level, to Each ratchet face of first rachet forms man-to-man correspondence coupled relation, wherein when each in second rachet When the low level correspondence of ratchet face is coupling in a high position for each ratchet face in first rachet, that is, form the coupling of a low level Conjunction state；When a high position for each ratchet face in the second rachet turn to correspondence be coupling in it is each in first rachet During a high position for ratchet face, that is, form a high-order couple state；

One T-shaped sleeve part, it also has another centre bore and another first end face and another relative second end face, The T-shaped sleeve part is set in the centre bore of the centre bore of second rachet and first rachet, and makes the T The first end face of jacket pipe fitting can be contradicted on the second face of the gasket member, wherein the second end of the T-shaped sleeve part Face is located at the inner face of the T-flange of the T-shaped sleeve part and contradicted on the second face of second rachet；And

One locking part, its centre bore sequentially axially across the T-shaped sleeve part, the centre bore of the gasket member and should A set long slot bore locks on the fixture again on the inner bottom surface of the elongated shoulder hole of sliding part, and the lock is made whereby Firmware can be held in position relative to the fixture and not move, and makes the T-shaped sleeve part, second rachet, is somebody's turn to do First rachet and the gasket member are sealed integral, and wherein second rachet is folded in this with first rachet Between the second end face of T-shaped sleeve part and the second face of the gasket member and make two corresponding between the two annular ratchets Couple state is maintained at without separation；

Wherein second rachet can be operable to rotate an angle forward or backwards relative to first rachet, so that The couple state of a high position can be transformed between two corresponding annular ratchets by the couple state of low level or by a high position Couple state is transformed into the couple state of low level；

Wherein when being transformed into the couple state of a high position by the couple state of low level between two corresponding annular ratchets, The distance between second face of second rachet and the first face of first rachet can relative increases, the wherein phase It is the two corresponding annular ratchets height produced in the couple state of high-low position to increased ultimate range Drop, is represented with Hf；

Wherein when forming the couple state of low level between two corresponding annular ratchets, the of the T-shaped sleeve part The height distance at one end to the second end, the i.e. set of the T-shaped sleeve part shares height, is represented with D1；Second spine Second face of tooth is represented to the height distance in the first face of first rachet with D2, and wherein D1 is more than D2, D1-D2=G ＞ 0；And following condition is more met between Hf, G：Hf ＞ G ＞ 0；

Wherein changed when second rachet is rotated by operation with relative first rachet by high-order couple state Into low level couple state when, the first face of the gasket member is non-packing at the interior bottom of the elongated shoulder hole of the sliding part On face, form released state between the gasket member and the sliding part and relative can slide, the sliding part can be relative to The fixture moves adjustment position；

Wherein changed when second rachet is rotated by operation with relative first rachet by the couple state of low level During into high-order couple state, the first face of the gasket member is inner bottom surface of the packing in the elongated shoulder hole of the sliding part On, form locking state between the gasket member and the sliding part and position, the sliding part is can not be relative to this Fixture moves adjustment position.

Described quick release and the adjustment mechanism of locking, are additionally provided between second rachet and first rachet One position-limit mechanism is operable to what is rotated forward or backwards relative to first rachet to limit second rachet With respect to the traverse between two halts and two halts.

Described quick release and the adjustment mechanism of locking, the position-limit mechanism comprising at least one spacing tip be located at this first On second face of rachet and at least a stopper slot is located on the first face of second rachet, wherein each stopper slot prolongs Stretch and stop end with a rotational angle and relative two, it is relative at this that each spacing tip correspondence is inserted in energy supply in each stopper slot Two stopping ends between moved forward or backwards.

Described quick release and the adjustment mechanism of locking, second rachet are extended further out provided with leader To operate second rachet to be rotated forward or backwards relative to first rachet.

Described quick release and the adjustment mechanism of locking, the sliding part are the horizontal branch in bottom of the armrest of seat of a chair, should Fixture is the seat support body of the chair, and the horizontal branch in bottom of the wherein armrest of seat is arranged on the bottom surface of the seat support body of the chair On so that the armrest of seat obtains to move relative to the seat support body after unblock and adjusts the lateral attitude of the armrest of seat and lock again Tightening position.

Described quick release and the adjustment mechanism of locking, Hf are 1.3mm, and G is 0.5mm.

Described quick release and the adjustment mechanism of locking, the symmetrical shape of the gasket member is in the elongated rank of the sliding part The shape in terraced hole, so that when second rachet is rotated by operation, the gasket member in operation can only be in length Relatively moved in shape shoulder hole without rotating.

Compared with prior art, using above-mentioned technical proposal the advantage of the invention is that：

Ben Mingfa main purposes are in that providing a kind of quick release and the adjustment mechanism of locking supplies to be arranged on a slip Between part and a fixture, it sequentially includes a gasket member, one first rachet, one second rachet, a T The annular spine of the corresponding coupling of energy is respectively provided between jacket pipe fitting and a locking part, wherein first and second rachet Tooth, the T-shaped sleeve part is linked in the centre bore of second, first rachet and can contradicted in the gasket member, The locking part locks on the fixture again through a long slot bore on T-shaped sleeve part, gasket member and sliding part, with Corresponding second ring ratchet is set to consolidate holding couple state without separating；Wherein, corresponding second ring ratchet In the couple state of high-low position, produced height fall is Hf, and the set of the T-shaped sleeve part shares height and is D1, the total height of second and first rachet in the couple state of low level is D2, wherein, D1 is more than D2, D1-D2=G ＞ 0, and Hf ＞ G ＞ 0；When the second rachet is rotated with relative first rachet by a high position by operation When being transformed into low level or being transformed into the couple state of a high position by low level, unblock can be formed between gasket member and sliding part State is for the mobile position for adjusting the sliding part or forms locking state, reach whereby can be consolidated when not adjusting it is sealed and Again can quick operating effect during adjustment.

To reach above-mentioned purpose, quick release of the invention and the adjustment mechanism of locking, installed in a sliding part and one Between fixture so that the sliding part relative to the fixture move adjustment position and locking positioning again after unblock, It is sequentially included：One gasket member its have a centre bore and one first face second face relative with one, wherein this first Face is sticked on the sliding part on the inner bottom surface of an elongated shoulder hole；One first rachet its have a centre bore and one First face, second face relative with one, wherein first face are sticked on the second face of the gasket member, on second face Provided with an annular ratchets, the annular ratchets include the ratchet face of an at least annular arrangement, each ratchet face comprising a low level, One high position and a slope extend to the high position by the low level；One second rachet its have a centre bore and one first face Second face relative with one, wherein first face are coupled in first rachet provided with an annular ratchets with correspondence Set annular ratchets on second face, the annular ratchets include the ratchet face of an at least annular arrangement, each ratchet bread The high position is extended to by the low level containing a low level, a high-order and slope, to each ratchet with first rachet Face forms and corresponds coupled relation, wherein when the low level correspondence of each ratchet face in second rachet is coupling in In first rachet during high position for each ratchet face, that is, form the couple state of a low level；Wherein when the second rachet In the high position of each ratchet face turn to correspondence when being coupling in a high position for each ratchet face in first rachet, that is, form one High-order couple state；It has a centre bore and a first end second end relative with one to one T-shaped sleeve part, It is set in the centre bore of second rachet and first rachet, and its first end is contradicted in the packing ring On second face of part, wherein second end is located at the inner face of its T-flange and contradicted the of second rachet On two faces；And locking part its centre bore, centre bore for the gasket member sequentially axially across the T-shaped sleeve part And a set long slot bore locks on the fixture again on the inner bottom surface of the elongated shoulder hole of the sliding part, whereby should Locking part can be held in position relative to the fixture and not move, the T-shaped sleeve part, second rachet, this One rachet and the gasket member are then sealed integral by the locking part, wherein second rachet and first rachet It is corresponding between being folded between the second end of the T-shaped sleeve part and the second face of the gasket member and making both this Second ring ratchet must be maintained at couple state without separation；Wherein second rachet can be operable to it is relative this first Rachet rotates a predetermined angle forward or backwards so that between corresponding second ring ratchet can by low level coupling State is transformed into the couple state of a high position or is transformed into the couple state of low level by high-order couple state；Wherein work as phase When being transformed into the couple state of a high position by the couple state of low level between corresponding second ring ratchet, second rachet The distance between the first face of the second face and first rachet can relative increase, the wherein relative increase maximum Apart from the as corresponding second ring ratchet height fall produced in the couple state of high-low position, with Hf Represent；Wherein when forming the couple state of low level between corresponding second ring ratchet, the T-shaped sleeve part First end to the second end height distance, also can be considered the T-shaped sleeve part set share height, represented with D1, Second face of second rachet is represented to the height distance in the first face of first rachet with D2；Wherein, D1 is more than D2, there is a height fall G, i.e. D1-D2=G ＞ 0 between D1 and D2；Wherein, Hf, G it Between more meet following condition：Hf ＞ G ＞ 0；Wherein when second rachet is rotated with relative first spine by operation When tooth is transformed into the couple state of low level by high-order couple state, the non-packing in the first face of the gasket member is in the cunning On the inner bottom surface of the elongated shoulder hole of moving part, form released state between the gasket member and the sliding part and can slide relatively Dynamic, the sliding part can move adjustment position relative to the fixture；Wherein when second rachet is rotated by operation When being transformed into the couple state of a high position by the couple state of low level with relative first rachet, the first of the gasket member Face is that packing is to form lock on the inner bottom surface of the elongated shoulder hole of the sliding part, between the gasket member and the sliding part Tight state and position, the sliding part is that can not move adjustment position relative to the fixture.

Brief description of the drawings

Fig. 1 is arranged on the schematic diagram in the horizontal branch in bottom of armrest of seat for the embodiment of adjustment mechanism one of the present invention；

Fig. 2 is the perspective exploded view of embodiment illustrated in fig. 1；

Fig. 3 is another perspective exploded view of embodiment illustrated in fig. 1；

Fig. 4 is schematic diagram of the embodiment illustrated in fig. 1 in released state；

Fig. 5 is the side sectional view of adjustment mechanism of the invention in Fig. 4；

Fig. 6 is schematic diagram of the embodiment illustrated in fig. 1 in locking state；

Fig. 7 is the side sectional view of adjustment mechanism of the invention in Fig. 6.

Description of reference numerals：1- adjustment mechanisms；2- sliding parts；The elongated shoulder holes of 201-；202- inner bottom surfaces；203- Armrest of seat；204- armrest of seat；The horizontal branch in 205- bottoms；3- fixtures；301- seat support bodies；302- bottom surfaces；10- gasket members； 11- centre bores；The faces of 12- first；The faces of 13- second；The rachets of 20- first；21- centre bores；The faces of 22- first；23- Second face；24- annular ratchets；25- ratchet faces；251- low levels；252- is high-order；253- slopes；The spacing tips of 26-； The rachets of 30- second；31- centre bores；The faces of 32- first；The faces of 33- second；34- annular ratchets；35- ratchet faces；351- Low level；352- is high-order；353- slopes；36- stopper slots；361- stops end；37- handles；40-T jacket pipe fittings； 41- centre bores；42- first end faces；43- second end faces；44-T type flanges；50- locking parts；Hf- it is corresponding two The annular ratchets height fall produced in the couple state of high-low position；The set of D1-T jacket pipe fittings shares height Degree；Total height of the rachets of D2- second and first in the couple state of low level；Height between G-D1 and D2 Spend drop.

Embodiment

Further describe the present invention with reference to specific embodiments and the drawings, advantages of the present invention and feature will be with Description and it is apparent.

Reference Fig. 1-3 shown in, quick release of the invention and the adjustment mechanism 1 of locking are installed or applied in a cunning Between the fixture 3 of moving part 2 and one, to operate and adjust position of the sliding part 2 relative to the fixture 3, Herein by apply a chair armrest of seat as Figure 1-3 exemplified by illustrate, but be not used to limitation the present invention.The cunning Moving part 2 is representative with the horizontal branch 205 in the bottom of the armrest of seat 204, and the fixture 3 is with the seat support body 301 of the chair To represent, the horizontal branch 205 (sliding part 2) in bottom of the wherein armrest of seat 204 is by locking part 50 (such as screw) to pacify On the bottom surface 302 of the seat support body 301 (fixture 3), and in the horizontal branch 205 (sliding part 2) in the bottom with being somebody's turn to do The adjustment mechanism 1 of the present invention is installed, so that the armrest of seat 203 is obtained at this between seat support body 301 (fixture 3) Adjustment mechanism 1 can move the lateral attitude for adjusting the armrest of seat 203 after being unlocked relative to the seat support body 301 (as shown in four-headed arrow A in Fig. 1), it is to be adjusted after operate again the adjustment mechanism 1 formation locking state so that The armrest of seat 203 is positioned at a new position.The adjustment mechanism 1 of the present invention is sequentially comprising a gasket member 10,1 the One rachet 20, one second rachet 30, a T-shaped locking part 50 of sleeve part 40 and one.

The gasket member 10 has a centre bore 11 and one first face 12 second face 13 relative with one, wherein this Simultaneously 12 it is sticked on the sliding part 2 on the inner bottom surface 202 of an elongated shoulder hole 201；The wherein gasket member 10 Length (direction along in Fig. 1 shown in four-headed arrow A) be less than the elongated shoulder hole 201 inner bottom surface 202 Length so that the sliding part 2 relative to the gasket member 10 carry out length to shifting by the elongated shoulder hole 201 Move with adjustment position, as shown in Fig. 4,6, position of the gasket member 10 in the elongated shoulder hole 201 has changed Become.In addition, the shape of the gasket member 10 such as cuboid corresponds to the elongated shoulder hole 201 (or inner bottom surface 202) Shape, make the gasket member 10 the elongated shoulder hole 201 can only length to relative movement without rotating.

First rachet 20 has a centre bore 21 and one first face 22 second face 23 relative with one, wherein First face 21 is sticked on the second face 13 of the gasket member 10, and second face 23 is provided with an annular ratchets 24, the annular ratchets 24 include the ratchet face 25 of an at least annular arrangement, the annular ratchets 24 in such as the present embodiment Ratchet face 25 comprising three annular arrangements but do not limit；Each ratchet face 25 includes a low level 251, a high position 252 And one slope 253 high position 252 is extended to by the low level 251.

Second rachet 30 has a centre bore 31 and one first face 32 second face 33 relative with one, wherein First face 32 is coupled in institute on the second face 23 of first rachet 20 provided with an annular ratchets 34 with correspondence If annular ratchets 24；The annular ratchets 34 include the ratchet face 35 of an at least annular arrangement, in such as the present embodiment Ratchet face 35 of the annular ratchets 34 comprising three annular arrangements but do not limit；Each ratchet face 35 includes a low level 351st, one a high position 352 and one slope 353 high position 352 is extended to by the low level 351, to first spine The formation of each ratchet face 25 of tooth 20 corresponds coupled relation；Wherein when each spine in second rachet 30 When the correspondence of low level 351 of the flank of tooth 35 is coupling in high-order 252 of each ratchet face 25 in first rachet 20, i.e., Form the couple state of a low level (highly relatively low)；Wherein when a high position for each ratchet face 35 in the second rachet 30 352 turn to correspondence when being coupling in high-order 252 of each ratchet face 25 in first rachet 20, that is, form one high The couple state of position (height is higher).

The T-shaped sleeve part 40 has a centre bore 41 and a first end 42 second end 43 relative with one, its set In the centre bore 31,21 for being located at second rachet 30 and first rachet 20, and enable its first end 42 It is T-shaped that conflict (reference Fig. 5,7) on the second face 13 of the gasket member 10, wherein second end 43 are located at its The inner face of flange 44 and contradict on the second face 33 of second rachet 30

The locking part 50 such as centre bore 41, the pad of screw or bolt sequentially axially across the T-shaped sleeve part 40 A set elongated slot on the inner bottom surface 202 of the centre bore 11 of collar member 10 and the elongated shoulder hole 201 of the sliding part 2 Hole 203 locks on the fixture 3 again, and the locking part 50 can be kept relative to the position of the fixture 3 whereby Positioning makes the T-shaped sleeve part 40, second rachet 30, first rachet 20 and is somebody's turn to do without movement Gasket member 10 is locked integrally；Wherein second rachet 30 is folded in the T with first rachet 20 Between second end 43 of jacket pipe fitting 40 and the second face 13 of the gasket member 10 so that the rwo corresponding two Annular ratchets 34,24 must be maintained at couple state without separation.

Second rachet 30 can be operable to relative first rachet 20 and rotate forward or rotate backward one jiao Degree, so as to which the coupling shape of a high position can be transformed between two corresponding annular ratchets 34,24 by the couple state of low level State or the couple state for being transformed into low level by high-order couple state；In the present embodiment, as shown in figure 4, this Two rachets 30 are operable to relative first rachet 20 and rotated forward as shown in arrow B in Fig. 4, Low level is transformed into by high-order couple state (locking state) between two now corresponding annular ratchets 34,24 Couple state (released state) is as shown in Figure 5；Again as shown in fig. 6, second rachet 30 is operable to phase First rachet 20 is rotated backward as shown in arrow C in Fig. 6 (arrow C is reverse for arrow B's), A high position is transformed into by the couple state (released state) of low level between two now corresponding annular ratchets 34,24 Couple state (locking state) is as shown in Figure 7.In addition, second rachet 30 is with respect to first rachet 20 The angle rotated forward or backwards is to be redefined for preferably, and for example the predetermined angle is set as such as Fig. 3 The central angle (holding aftermentioned) of middle stopper slot 36.

When between two corresponding annular ratchets 34,24 by low level couple state (as shown in Figure 4,5) change During into high-order couple state (as shown in Figure 6,7), the second face 33 of second rachet 30 with this first The distance between first face 22 of rachet 20 meeting relative increase, the ultimate range of the wherein relative increase is phase Corresponding two annular ratchets 34,24 height fall produced in the couple state of high-low position, herein with Hf Represent as shown in Figure 7.For the Machine Design of the present embodiment, Hf is about 1.3mm, but is not used to limitation originally Invention.

When forming the couple state of low level between two corresponding annular ratchets 24,34 as shown in Figure 4,5, should The height distance at the end of first end 42 to the second 43 of T-shaped sleeve part 40, also can be considered the T-shaped sleeve part 40 Set share height, represented herein with D1；And the second face 33 of second rachet 30 is to first rachet The height distance in 20 the first face 22, is represented with D2 herein, wherein D1 be more than D2, i.e. D1 and D2 it Between exist height fall G, D1-D2=G a ＞ 0；Wherein, following condition is further met between Hf, G：Hf ＞ G ＞ 0.For the Machine Design of the present embodiment, when Hf is set to about 1.3mm, G can be set to about 0.5mm, But it is not used to the limitation present invention.

When second rachet 30 is rotated (as shown in arrow B in Fig. 4) with relative first rachet by operation 20 by high-order couple state (locking state) when being transformed into couple state (released state) of low level, the pad The i.e. non-packing in first face 12 of collar member 10, should on the inner bottom surface 202 of the elongated shoulder hole 201 of the sliding part 2 Released state is formed between gasket member 10 and the sliding part 2 and relative can be slided, and the sliding part 2 can be relative to The fixture 3 is moved and adjustment position is as shown in arrow A in Fig. 4.

When second rachet 30 is rotated (as shown in arrow C in Fig. 6) with relative first rachet by operation 20 by the couple state (released state) of low level be transformed into a high position couple state (locking state) when, the pad The i.e. packing in first face 12 of collar member 10 is on the inner bottom surface 202 of the elongated shoulder hole 201 of the sliding part 2, the pad Form locking state between collar member 10 and the sliding part 2 and position, the sliding part 2 i.e. can not be relative to this Fixture 3 moves adjustment position.In addition, the present embodiment (is locked in practical operation with the couple state for forming a high position State) when as shown in Figure 6,7, due to Hf is about 1.3mm and G about 0.5mm, therefore two corresponding rings Enough fastening forces can be produced between shape ratchet 34,24 and further force the first face 12 of the gasket member 10 Can be with suitable dynamics packing on the inner bottom surface 202 of the elongated shoulder hole 201 of the sliding part 2, or even because of fastening force Dynamics it is larger, deducting the outer of the tolerance of each component, it is also possible to the first end of the T-shaped sleeve part 40 can be forced 42 are lifted off the second face 13 of the gasket member 10, make the first end 42 and the gasket member of the T-shaped sleeve part 40 A gap such as about 0.5mm (not illustrating) is produced between 10 the second face 13, but is not used to the limitation present invention.

In addition, with reference to Fig. 2,3, one is further provided between second rachet 30 and first rachet 20 Position-limit mechanism (26,36), the position-limit mechanism (26,36) is to limit second rachet 30 with respect to first rachet (20) traverse rotated forward or backwards, i.e., by the position-limit mechanism (26,36) to limit second rachet 30 forward and backward two halt and traverse when rotating.In the present embodiment, the position-limit mechanism (26,36) is comprising extremely Few spacing tip 26 is located on the second face 23 of first rachet 20 and an at least stopper slot 36 be located at this second On first face 32 of rachet 30, the position-limit mechanism (26,36) as shown in Figure 3 is comprising the two spacing tips 26 and relatively Two stopper slots 36 answered, but the limitation present invention is not used to, such as stopper slot 36, which can also change, is located at first rachet 20 The second face 23 on and the spacing tip 26 can change and be located on the first face 32 of second rachet 30.Each stopper slot 36 form an arc groove on the first face 32 of second rachet 30 has a rotational angle (circle to extend Heart angle) and relative two stop ends 361, each spacing tip (26), which then corresponds to, to be inserted in each stopper slot (36) for can be at this Moved forward or backwards between two stopping ends 361.

Second rachet 30 is extended further out provided with leader 37, for consumer can conveniently operate this second Rachet 30 relative to first rachet 20 to be rotated to reach the use function of quick release or locking.

The quick release of the present invention and the adjustment mechanism 1 of locking are compared with this area prior art, with following excellent Point：

First, through the design for meeting the conditions of Hf ＞ G ＞ 0, make in assembling, it is of the invention to utilize the locking part 50 by the T-shaped sleeve part 40, second rachet 30, first rachet 20 and the gasket member 10 firmly It is sealed to be not only advantageous to assembling operation integrally and easily installed between a sliding part (2) and a fixture (3), And it is avoided that the problem of prior art is difficult to control the sealed tightness of the locking part in assembling and shortcoming.

Second, through the design for meeting the conditions of Hf ＞ G ＞ 0, make after assembling, second rachet 30 with First rachet 20 can be firmly folded in the second end 43 and the gasket member 10 of the T-shaped sleeve part 40 The second face 13 between, and two annular ratchets 34,24 for making the rwo corresponding be maintained at couple state without Separation, using makes the sliding part (2) and the fixture (3) retain to consolidate in use and do not loosen, and avoids previous skill Art sliding part (2) after assembling easily loosened relative to the fixture (3) and the problem of detract consumer's reliability And shortcoming.

Third, through the design for meeting the conditions of Hf ＞ G ＞ 0, making after assembling, consumer can be conveniently and quick Ground operation unblock is so that the sliding part (2) is relative to the mobile adjustment position of the fixture (3) and operates locking to position again Firmly, the service efficiency of the lifting present invention is used, is conducive to mass production and market competition.

Explanation and embodiment above is only exemplary, does not constitute any limitation to the scope of the present invention.Ability Field technique personnel should be understood that without departing from the spirit and scope of the invention can be to technical solution of the present invention Details and form modify or replace, but these modification and replacement each fall within protection scope of the present invention.

Claims

1. a kind of quick release and the adjustment mechanism of locking, between a sliding part and a fixture so that The sliding part relative to the fixture move adjustment position and locking positioning again after unblock, it is characterised in that its Sequentially include：

One locking part, its centre bore sequentially axially across the T-shaped sleeve part, the centre bore of the gasket member and should A set long slot bore locks on the fixture again on the inner bottom surface of the elongated shoulder hole of sliding part, and the lock is made whereby Firmware can be held in position relative to the fixture and not move, and makes the T-shaped sleeve part, second rachet, is somebody's turn to do First rachet and the gasket member are sealed integral, and wherein second rachet is folded in this with first rachet Between the second end face of T-shaped sleeve part and the second face of the gasket member and make the rwo corresponding two annular spine Tooth is maintained at couple state without separation；

2. quick release according to claim 1 and the adjustment mechanism of locking, it is characterised in that this second A position-limit mechanism is additionally provided between rachet and first rachet and is operable to phase to limit second rachet The relative traverse between two halts and two halts rotated forward or backwards to first rachet.

3. quick release according to claim 2 and the adjustment mechanism of locking, it is characterised in that this is spacing Mechanism is located on the second face of first rachet comprising at least one spacing tip and an at least stopper slot be located at this second On first face of rachet, wherein the extension of each stopper slot stops end with a rotational angle and relative two, it is each spacing Tip correspondence is inserted in energy supply in each stopper slot and moved forward or backwards between the two relative stopping ends.

4. quick release according to claim 1 and the adjustment mechanism of locking, it is characterised in that this second Rachet is extended further out provided with leader to operate second rachet to enter with relative first rachet Row is rotated forward or backwards.

5. quick release according to claim 1 and the adjustment mechanism of locking, it is characterised in that the slip Part is the horizontal branch in bottom of the armrest of seat of a chair, and the fixture is the seat support body of the chair, and the wherein bottom of the armrest of seat is horizontal Branch is on the bottom surface of the seat support body of the chair so that the armrest of seat is obtained after unblock relative to seat support body movement Adjust the lateral attitude of the armrest of seat and locking positioning again.

6. quick release according to claim 5 and the adjustment mechanism of locking, it is characterised in that Hf is 1.3mm, G are 0.5mm.

7. quick release according to claim 1 and the adjustment mechanism of locking, it is characterised in that the packing ring The symmetrical shape of part is in the shape of the elongated shoulder hole of the sliding part, so that when second rachet is rotated by operation When, the gasket member can only be relatively moved without rotating in elongated shoulder hole in operation.