CN211354697U - Lock control mechanism for seat - Google Patents

Abstract

The utility model discloses a locking control mechanism for a seat, which comprises a supporting tube, a supporting connecting piece and a cover plate detachably connected with the supporting connecting piece, wherein the cover plate is provided with a sleeve, a control arm is arranged in the supporting connecting piece, the control arm is rotatably connected with the supporting connecting piece through a rotating shaft, a bolt is formed at one end of the control arm, the bolt penetrates through the cover plate and is exposed in the sleeve, and a first spring used for keeping the bolt in a state of penetrating out of the cover plate is arranged in the supporting connecting piece; the supporting tube is provided with a locking hole, the sleeve is sleeved outside the supporting tube, and the bolt is inserted into the corresponding locking hole in a locking state; a key is arranged in the supporting connecting piece in a sliding manner, the tail part of the key is abutted against the control arm, and when the key is pressed, the control arm is driven to rotate and the bolt retracts to be separated from the locking hole to realize unlocking; when the locking device is applied specifically, the bolt is always inserted into the corresponding locking hole to realize position locking; when the bolt needs to be adjusted, the key is pressed down to retract the bolt, and the supporting connecting piece is adjusted to slide up and down.

Description

Lock control mechanism for seat

Technical Field

The utility model relates to a children's thing to sit on field, in particular to a locking control mechanism for seat.

Background

The seat is widely applied to daily life of people, in order to bring comfortable sitting experience to users, along with the development of society, the seat is subdivided, and a plurality of seats specially designed for children are also arranged on the market; for example, the patent numbers are: the utility model' 201621093486.9 patent discloses a connecting mechanism for a chair pillar and a base, in which it is obvious that the supporting pillar as a seat and a back of the chair is single, the seat and the back of the chair slide up and down along the upright post and are locked at corresponding positions, the common locking mode includes that the hoop is held tightly, and the locking is also performed by a knob rotation with a screw, and the locking control is not very convenient.

Therefore, it is specially conceived to design a child seat supported by two rods, in which the seat slides up and down along the two rods and is locked at a corresponding position, and it is very inconvenient if the locking is controlled left and right as before.

Disclosure of Invention

The utility model overcomes the defects in the prior art, and provides a locking control mechanism which is convenient to control, and the bolt is exposed to the outside to lock in the normal state; when the chair needs to be adjusted, the key is pressed down to retract the bolt, then the chair seat or the chair back is adjusted to the corresponding position, the key is released, and the chair is locked, so that the chair is very convenient.

The technical scheme of the utility model is realized like this:

the locking control mechanism for the seat comprises a supporting pipe, a supporting connecting piece and a cover plate detachably connected with the supporting connecting piece, wherein the cover plate is provided with a sleeve, a control arm is arranged in the supporting connecting piece, the control arm is rotatably connected with the supporting connecting piece through a rotating shaft, a bolt is formed at one end of the control arm, the bolt penetrates through the cover plate and is exposed out of the sleeve, and a first spring used for keeping the bolt in a state of penetrating out of the cover plate is arranged in the supporting connecting piece; the supporting tube is provided with a locking hole, the sleeve is sleeved outside the supporting tube, and the bolt is inserted into the corresponding locking hole in a locking state; the supporting connecting piece is internally provided with a key in a sliding manner, the tail part of the key is abutted against the control arm, and when the key is pressed, the control arm is driven to rotate, and the bolt retracts to be separated from the locking hole to realize unlocking.

Preferably, the tail part of the key is in sliding fit with the other end of the control arm through an inclined plane, and a second spring for resetting the key is further arranged in the supporting connecting piece. The button afterbody and the cooperation of control arm inclined plane, form the inclined plane at the control arm other end promptly, when the button slided, the button afterbody pushed away the inclined plane of control arm, made the control arm other end prize, realized the rotation of control arm to drive the bolt and remove.

Preferably, a sliding groove and a stopping part are arranged in the supporting connecting piece, the key slides along the sliding groove, two ends of the second spring are respectively abutted against the stopping part and the key, and when the key is pressed, the second spring deforms to generate reset elastic force. The key slides along the sliding groove, so that the key track is fixed, the second spring deforms to generate reset elastic force, and when the pressing force disappears, the second spring releases the elastic force to reset the power-assisted key.

Preferably, the key is provided with an avoiding groove, the second spring is positioned in the avoiding groove, and the head of the key is exposed out of the supporting connecting piece. Make supporting connection spare inner structure compacter, conveniently press the button simultaneously.

Preferably, the support tube further comprises an upright post, a caulking groove arranged along the longitudinal direction is formed in the inner side face of the upright post, and the support tube is installed in the caulking groove. Therefore, the whole body is more beautiful, and the sliding track of the supporting connecting piece is not exposed.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model provides a locking control mechanism with convenient operation and labor-saving control, the supporting connecting piece of the utility model is used for connecting a chair back component or a chair seat component, and when the locking control mechanism is applied in concrete, a bolt is always inserted into a corresponding locking hole to realize position locking; when the chair back assembly and the chair seat assembly need to be adjusted, the key is pressed down, the bolt is retracted into the supporting and connecting piece, the supporting and connecting piece is adjusted to slide up and down, the key is loosened after the key is stopped at the preset position, and the bolt is inserted into the locking hole at the corresponding position to realize locking again.

The locking control mechanism enables the height of the chair seat or the chair back to be adjusted more flexibly and conveniently, and brings better sitting experience for users.

Drawings

Fig. 1 is an exploded schematic view of a three-dimensional structure of each part structure of a seat according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is an enlarged view of portion b of FIG. 1;

fig. 4 is a schematic diagram of a partial explosion of a three-dimensional structure of the column and the locking control mechanism in the embodiment of the present invention;

FIG. 5 is an enlarged view of the portion c of FIG. 4;

fig. 6 is a schematic perspective view of the embodiment of the present invention after the stand column is combined with the locking control mechanism;

fig. 7 is a schematic perspective view of a seat according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a seat according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of the support beam and the seat of the present invention after being separated in the embodiment of the present invention;

fig. 10 is an exploded perspective view of the seat according to the embodiment of the present invention;

fig. 11 is a perspective view of the seat in the embodiment, which is a third schematic view, wherein two parts in a circle are enlarged.

The figures are numbered: a base 1; a seatback assembly 2; a seat assembly 3; a column 4; a support link 5; a cover plate 6; a sleeve 7; a control arm 8; a rotating shaft 9; a plug pin 10; a first spring 11; a support tube 12; a caulking groove 13; a locking hole 14; a key 15; a chute 16; a stopper portion 17; a ramp 18; a second spring 19; an avoidance slot 20; a collar 21; a nail passing hole 22; a mounting hole 23; a screw hole 24; a screw 25; a support beam 26; a chair back 27; a bearer tube 28; a seat 29; and a slot 30.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

example (b): as shown in fig. 1-10, the embodiment provides a chair, which includes a base 1, a chair back assembly 2 and a chair seat assembly 3, wherein two upright posts 4 are symmetrically disposed on left and right sides of the base 1, the chair back assembly 2 and the chair seat assembly 3 are both located between the two upright posts 4 and are both supported by the upright posts 4, and when the chair is specifically applied, the chair back assembly 2 and the chair seat assembly 3 are respectively in up-and-down sliding fit with the two upright posts 4; when specifically installing, two stands 4 install on base 1 at first, then pass through locking control mechanism with seat support subassembly 3, back of the chair subassembly 2 in proper order and lock in the middle part and the tip position of stand 4, here also can be according to user's demand, slide seat support subassembly 3, back of the chair subassembly 2 from top to bottom and lock behind the suitable position.

The locking control mechanism comprises a supporting connecting piece 5 used for connecting the chair back component 2 or the chair seat component 3 and a cover plate 6 detachably connected with the supporting connecting piece 5, the cover plate 6 is provided with a sleeve 7, a control arm 8 is arranged in the supporting connecting piece 5, the control arm 8 is rotatably connected with the supporting connecting piece 5 through a rotating shaft 9, one end of the control arm 8 forms a bolt 10, the bolt 10 penetrates through the cover plate 6 to be exposed in the sleeve 7, and a first spring 11 used for enabling the bolt 10 to keep a state of outwards penetrating out of the cover plate 6 is arranged in the supporting connecting piece 5; a supporting tube 12 is fixedly arranged on the upright post 4, the sleeve 7 is sleeved on the supporting tube 12, the supporting tube 12 is a square tube, an embedded groove 13 arranged along the longitudinal direction is formed in the inner side surface of the upright post 4, and the supporting tube 12 is arranged in the embedded groove 13. A locking hole 14 is arranged on the supporting tube 12; in the locked state the bolt 10 is inserted into the corresponding locking hole 14 and in the unlocked state the bolt 10 is extended through the corresponding locking hole 14.

For the convenience of the operation of the user, as shown in fig. 3, 4, 5 and 11, the supporting connection member 5 of the present invention is slidably provided with a key 15, the supporting connection member 5 is provided with a sliding groove 16 and a stopping portion 17, the key 15 slides along the sliding groove 16, the other end of the control arm 8 forms an inclined surface 18, the tail of the key 15 is slidably engaged with the inclined surface 18 of the control arm 8, and the tail of the key 15 and the control arm 8 are further provided with a second spring 19 for resetting the key 15 in the supporting connection member 5. An avoiding groove 20 is arranged on the key 15, the second spring 19 is positioned in the avoiding groove 20, and the head of the key 15 is exposed out of the supporting connecting piece 5; the stopping portion 17 is fixedly arranged in the sliding groove 16, and two ends of the second spring 19 respectively abut against the stopping portion 17 and the key 15.

Specifically, when the key 15 is pressed, the second spring 19 deforms to generate a reset elastic force, and meanwhile, the tail of the key 15 pushes against the inclined surface 18 of the control arm 8, so that the other end of the control arm 8 is pried to rotate the control arm 8, and the bolt 10 is driven to move and retract to be separated from the locking hole 14, so that unlocking is achieved.

When the pressing force disappears, the second spring 19 releases the elastic force, the power-assisted key 15 resets, and meanwhile, the tail part of the key 15 reversely pushes and abuts against the inclined surface 18 of the control arm 8, so that the other end of the control arm 8 is pried, the control arm 8 reversely rotates, the bolt 10 is driven to move, and the bolt 10 is inserted into the corresponding locking hole 14 to achieve locking.

As shown in the enlarged view of the upper part of fig. 11, in the supporting and connecting member 5 connected to the seat back, no evading groove is provided on the key 15, and both ends of the second spring 19 respectively abut against the stopping portion 17 and the key 15.

When a user sits on the chair, the bolts 10 are inserted into the corresponding locking holes 14 all the time to realize position locking, so that the positions of the chair back component 2 and the chair seat component 3 are fixed; when needs adjust back of the chair subassembly 2 and seat support subassembly 3, the user rises up and presses down button 15, makes bolt 10 retract in supporting connecting piece 5, adjusts supporting connecting piece 5 simultaneously and slides from top to bottom to make back of the chair subassembly 2 or seat support subassembly 3 slide from top to bottom, after staying suitable position, loosen button 15, bolt 10 inserts and realizes fixing once more of back of the chair subassembly 2 and seat support subassembly 3 position in the locking hole 14 of relevant position.

In order to keep a certain gap between the support tube 12 and the bottom of the caulking groove 13, the sleeve 7 can conveniently slide up and down along the support tube 12, the support tube 12 is sleeved with a lantern ring 21, and the lantern ring 21 is a square ring; the support tube 12 is provided with a screw hole 22, the front and back sides of the lantern ring 21 are provided with mounting holes 23, the bottom of the caulking groove 13 is provided with a screw hole 24, and a screw 25 passes through the mounting hole 23 and the screw hole 22 and then is screwed into the screw hole 24, so that the lantern ring 21 is fixedly connected with the upright post 4. The support tube 12 and the collar 21 are square, so that a fixed gap is kept between the inner side surface of the support tube 12 and the bottom of the caulking groove 13, thereby facilitating the sliding of the sleeve 7, and the collar 21 also plays a role in connection and fixation.

Furthermore, the utility model discloses a back of the chair subassembly 2 includes a supporting beam 26 and installs the back of the chair 27 on a supporting beam 26, and a supporting beam 26 wholly reciprocates, and support connecting piece 5 is formed at a supporting beam 26's both ends, and support connecting piece 5 and a supporting beam 26 be integrated into one piece, convenient processing.

Furthermore, the seat assembly 3 includes a supporting tube 28 and a seat 29 disposed above the supporting tube 28, a slot 30 is provided on the supporting link 5, and an end of the supporting tube 28 is inserted into the slot 30 of the supporting link 5. When the chair is used, the supporting connecting piece 5 moves up and down to drive the chair seat 29 to move up and down, so that the position of the chair seat 29 is adjusted.

Claims (5)

1. A lock control mechanism for a seat, characterized by: the device comprises a supporting pipe, a supporting connecting piece and a cover plate detachably connected with the supporting connecting piece, wherein the cover plate is provided with a sleeve pipe, a control arm is arranged in the supporting connecting piece, the control arm is rotatably connected with the supporting connecting piece through a rotating shaft, a bolt is formed at one end of the control arm, the bolt penetrates through the cover plate and is exposed out of the sleeve pipe, and a first spring used for keeping the bolt in a state of penetrating out of the cover plate is arranged in the supporting connecting piece; the supporting tube is provided with a locking hole, the sleeve is sleeved outside the supporting tube, and the bolt is inserted into the corresponding locking hole in a locking state; the supporting connecting piece is internally provided with a key in a sliding manner, the tail part of the key is abutted against the control arm, and when the key is pressed, the control arm is driven to rotate, and the bolt retracts to be separated from the locking hole to realize unlocking.

2. The lock control mechanism for a seat according to claim 1, characterized in that: the tail part of the key is in sliding fit with the other end of the control arm through an inclined plane, and a second spring for resetting the key is further arranged in the supporting connecting piece.

3. The lock control mechanism for a seat according to claim 2, characterized in that: a sliding groove and a stopping part are arranged in the supporting connecting piece, the key slides along the sliding groove, two ends of the second spring respectively abut against the stopping part and the key, and when the key is pressed, the second spring deforms to generate reset elastic force.

4. The lock control mechanism for a seat according to claim 2, characterized in that: the key is provided with an avoiding groove, the second spring is positioned in the avoiding groove, and the head of the key is exposed out of the supporting connecting piece.

5. The lock control mechanism for a seat according to claim 1, characterized in that: the support tube is characterized by further comprising an upright post, an embedded groove arranged along the longitudinal direction is formed in the inner side face of the upright post, and the support tube is installed in the embedded groove.

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