TWM515828U - Seat armrest adjustment device - Google Patents

Description

Seat armrest adjustment device

This creation relates to an adjustment device for adjusting the lateral width position of the armrest relative to the seat.

The position of the armrest of the seat can be changed to meet the needs of use, for example, to allow the user to support the hand in the most comfortable manner to reduce fatigue.

Generally used to change the position of the armrest, it is more common to change the longitudinal height of the armrest so that the support of the hand is adjusted to the most relaxed position with the user's preference; however, after all, the shoulder width of each person is not the same. If the armrests on either side of the seat cannot be adjusted laterally at the same time, the original position of the armrest must still be bent and the most comfortable sitting position cannot be obtained.

Furthermore, any adjustable mechanism interaction design, in addition to stably fixing the objects to be adjusted in different relative positions, is more important to consider the smoothness of the operation; if it is not conducive to the operation, even if it is satisfactory The comfort function will also cause the user to lose interest in the operation and cause damage to the mechanism.

In order to adjust the lateral width of the armrest relative to the seat, and the operation of the mechanism is smooth, the present invention particularly proposes a more novel "adjustment device for the seat armrest", which is arranged between the seat and the armrest. The utility model comprises a sliding portion, a positioning portion, an operating portion and a locking portion, wherein the sliding portion has a perforation, and one end of the sliding portion is connected to the armrest and interlocked with the opposite end, and the opposite end is a free The end portion is arbitrarily movable; the positioning portion is fixed on the seat, the slide rail having at least one pair of compatible sliding portions, and a plurality of positioning holes arranged in the axial direction, and the arrangement manner of the plurality of positioning holes And a pair of slide rails are disposed in parallel with the pair of slide rails; and the lock portion has a latch, a spring and a set of seats, and the perforations corresponding to the sliding portion are axially arranged in sequence, and the plug is subjected to Controlled to enter the perforation, one end of the spring abuts against the pin, and the end abuts against the sleeve. The elastic action of the spring can help the pin to generate axial movement. One end of the sleeve is fixed to the sliding. unit a free end, and at the end is provided with an open chamber, the side of the sleeve still has an opening communicating with the chamber; the operating portion has an active end and an operating handle, and the operating handle is applied Actuating the working end in a direction opposite to the applying force, the working end extending into the chamber from the opening of the sleeve, and having a strip-shaped notch corresponding to the pin at the active end and interfering with the socket, so that the end The active end drives the latch in the direction of the perforation.

Normally, the pin is pressed by the spring force of the spring, and is inserted through the perforation of the sliding portion and penetrates the free end of the sliding portion in any positioning hole of the positioning portion, so that the armrest interlocking with the sliding portion is fixed at a predetermined position. Position; if the armrest is to be moved, the operating handle of the operating portion is pressed in the direction of the sliding portion, so that the working end rotates in the opposite direction of the force applied to the operating handle, that is, the latch is released from the interference with the sliding portion and the spring is compressed to accumulate the elastic force. So that the free end can move freely between a pair of slide rails. After the armrest has been in the proper position, just release the handle and return the shape by spring. The spring force pushes the latch into the other positioning hole to re-interfere with the free end of the sliding portion, so that the armrest is repositioned and adjusted to another position.

By the above, in addition to adjusting the lateral width position of the armrest relative to the seat, the beneficial effects achieved by the present invention include:

1. A strip-shaped notch portion is designed on the end of the operation portion, and the notch portion is sleeved outside the plug without applying a fixed connection, and the plug provides a margin to correct the introduction of the positioning hole. The direction is closer to vertical, so that the positioning action of the latch interference sliding portion can be more accurate and facilitates operation.

2. A convex portion deformed toward the sliding portion is further disposed between the working end of the operating portion and the operating handle, and the protruding portion is in contact with the sliding portion in a normal state, so that after the operating handle is biased, the The boss is a fulcrum that provides a labor-saving way to drive the latch in the opposite direction of the force applied to the handle.

The structural design of the latch includes a body portion, a constricted neck portion, a resisting portion, and an insertion portion according to the axial sequence. The body portion is controlled to enter the perforation, and the constricted portion is located Between the main body portion and the resisting portion, the notch portion of the operating portion is provided to interfere with the interference portion, and the diameter is always smaller than the main body portion and the resisting portion, the resisting portion is for resisting the spring, and the inserting portion is for inserting The spring provides guidance for spring positioning and elastic action; thereby, the latch is more stable in correspondence with the mechanism between the operating portion and the spring.

Fourth, a plurality of axially parallel and parallel guiding holes are arranged on the side of the plurality of axially aligned positioning holes, the length of which corresponds to the total length of the plurality of positioning holes, and the guiding hole has a guiding bolt disposed therein. And one end of the guiding bolt is fixed on the sliding portion, and when the sliding portion is displaced, the guiding bolt moves in the elongated guiding hole; thereby guiding the guiding hole in the guiding hole lead, The alignment relationship between the perforation and any of the positioning holes will be more sure and advantageous for operation. At the same time, the guiding bolt can also prevent the sliding portion from completely separating from the pair of sliding rails during operation, and avoid the falling or damage of the handrail or the operation. Causes damage.

1‧‧‧Adjustment device

10‧‧‧Sliding section

100‧‧‧Perforation

1000‧‧‧ screwing department

101‧‧‧Free end

102‧‧‧Keyhole

11‧‧‧ Positioning Department

110, 110’‧‧‧ slide rails

111, 111’‧‧‧ positioning holes

112‧‧‧Connected

113‧‧‧ Guide hole

114‧‧‧ Guide bolt

1140‧‧ ‧ one end of the lead

12‧‧‧Operation Department

120‧‧‧Action

121‧‧‧Operation handle

122‧‧‧ raised parts

123‧‧‧Gap section

13‧‧‧Locking Department

130‧‧‧Tram

1300‧‧‧ Body Department

1301‧‧ ‧ neck

1302‧‧‧Resistance Department

1303‧‧‧Interposed Department

131‧‧ ‧ spring

1310‧‧‧One end

1311‧‧‧ Its end

132‧‧‧seat

1320‧‧‧室

1321‧‧‧ casing

1322‧‧‧ openings

14‧‧ ‧ pedestal

140‧‧‧ Ontology

141‧‧ thread

142‧‧‧ corresponding hole

2‧‧‧ seats

3‧‧‧Handrails

Fig. 1 is a schematic view showing the appearance of the armrest of the present invention assembled on a seat.

Figure 2 is an exploded view of the armrest adjustment device of the present invention.

Fig. 3 is a combination diagram of the armrest adjusting device of the present invention.

4 to 6 are schematic diagrams showing the operation mode and continuous operation of the armrest adjusting device of the present invention.

As shown in FIG. 1 to FIG. 3, the adjusting device 1 of the present invention is disposed between the seat 2 and the armrest 3 for assembling the armrest 3 on the seat 2 and laterally (width) relative to the seat 2. The displacement adjustment provides more choice of the position of the user's hand support to meet their needs and comfort.

The adjusting device 1 mainly includes a sliding portion 10, a positioning portion 11, an operating portion 12 and a locking portion 13.

The sliding portion 10 has a through hole 100 and a locking hole 102, and one end of the sliding portion 10 is connected to the armrest 3, and the opposite end is a free end 101.

The positioning portion 11 is fixed to the seat 2, and has at least one pair of compatible sliding The slide rails 110, 110' of the portion 10, and a plurality of positioning holes 111 arranged in the axial direction; the plurality of positioning holes 111 are arranged in parallel with the pair of slide rails 110, 110', and are disposed on the pair Preferably, between the sliding rails 110, 110', the positioning holes 111 are in communication with the adjacent positioning holes 111', and the communication portion 112 is always smaller than the diameter of any of the positioning holes 111. In addition, a plurality of guiding holes 113 are formed on the side of the plurality of positioning holes 111, and the length thereof is equivalent to the total length of the plurality of positioning holes 111. The guiding hole 113 has a guiding pin 114. One end 1140 of the guide pin 114 is fixed to the lock hole 102 of the sliding portion 10, and when the sliding portion 10 is displaced, the guide pin 114 moves in the elongated guide hole 113.

The locking portion 13 includes a latch 130, a spring 131 and a set of seats 132, and is arranged in the axial direction corresponding to the through holes 100 of the sliding portion 10.

The latch 130 includes a body portion 1300, a constricted portion 1301, a resisting portion 1302, and an insertion portion 1303 in the axial direction. The body portion 1300 is controlled to enter the through hole 100, and the constricted portion 1301 is located. The body portion 1300 and the resisting portion 1302 are both smaller than the main body portion 1300 and the resisting portion 1302. The resisting portion 1302 is for resisting the spring 131, and the inserting portion 1303 is for inserting the spring 131 to provide the spring 131. Guidance for positioning and elasticity.

The spring 131 is a coil spring. The one end portion 1310 abuts against the resisting portion 1302 of the latch 130. The end portion 1311 abuts against the sleeve 132. The spring 131 can help the latch 130 to generate the shaft. The movement to the direction.

One end of the sleeve 132 is fixed on the free end 101 of the sliding portion 10, and a cavity 1320 opening to the outside is provided at the end, and the chamber 1320 is provided therein. A sleeve 1321 is provided with its end 1311 of the spring 131 positioned and abutting against the sleeve 132. In addition, an opening 1322 communicating with the chamber 1320 is provided on one side of the sleeve 132, and the opening 1322 provides an operation portion. 12 extends into the chamber 1320 to mate with the latch 130.

The operating portion 12 has an active end 120 and an operating handle 121. The operating handle 121 causes the working end 120 to generate an action in a direction opposite to the applied force. Preferably, the working end 120 and the operating handle 121 are There is also a convex portion 122 which is deformed in the direction of the sliding portion 10, and the convex portion 122 is in contact with the sliding portion 10 in a normal state. After the operating handle 121 is biased, the convex portion 122 is used as a fulcrum, and the labor is saved. The way the action end 120 is actuated in the opposite direction of the force applied by the operating handle 121. In addition, the working end 120 extends from the opening 1322 of the sleeve 132 into the chamber 1320, and has a strip-shaped notch portion 123 corresponding to the constricted portion 1301 of the latch 130 on the working end 120 and is sleeved. The active end 120 can urge the latch 130 to act in the direction of the perforation 100.

When assembling, please refer to FIG. 3 and FIG. 4 simultaneously, the spring 131 is sleeved outside the insertion portion 1303 of the plug 130, and the one end portion 1310 is abutted against the resisting portion 1302, and the end portion 1311 is inserted into the sleeve 1321. The inner portion abuts against the sleeve 132 so that the spring 131 can act on the latch 130 when forming an elastic force. The working end 120 of the operating portion 12 extends from the opening 1322 into the cavity 1320 of the sleeve 132, and is interposed on the constricted portion 1301 of the latch 130 with the notch portion 123 interposed therebetween, and the operating handle 121 is Exposed to the outside of the sleeve 132, finally the sleeve 132 is locked to the free end 101 of the sliding portion 10, and the free end 101 is introduced into the pair of slide rails 110, 110' of the positioning portion 11, and the perforation on the sliding portion 10 100 and any positioning hole 111 on the positioning portion 11 In the normal position, the body portion 1300 of the latch 130 passes through the through hole 100 to the free end 101 of the interference sliding portion 10 in any of the positioning holes 111 so as to be unable to move.

When operating, please refer to Figure 4 to Figure 6. As shown in FIG. 4, in the normal state, the main body portion 1300 of the latch 130 is pressed by the elastic force of the spring 131, and is inserted into any of the positioning holes 111 of the positioning portion 11 to interfere with the free end 101 of the sliding portion 10 so as to be interlocked with the sliding portion 10. The armrest 3 is fixed at a predetermined position; if the armrest 3 is to be moved, as shown in FIG. 5, the operating handle 121 of the operating portion 12 is pressed toward the sliding portion 10, and the working end 120 is biased toward the operating handle with the convex portion 122 as a fulcrum The opposite direction rotation of the force applied by the 121, that is, the body portion 1300 of the latch 130 is retracted from the interference of the sliding portion 10 and the spring 131 is compressed to accumulate elastic force so that the free end 101 can be between the pair of slide rails 110, 110'. Move freely. After the armrest 3 is in the proper position, as long as the operating handle 121 is released, the body portion 1300 of the latch 130 is pushed into the other positioning hole 111' by the spring force of the spring 131 to re-interact the free end 101 of the sliding portion 10. The armrest 3 is repositioned as shown in FIG.

During the above operation, it can be found that the operation of the latch 130 is caused by the operation portion 12. If the connection mode of the two is fixed, the pin 130 will move in the "rotation" direction of the writing end 120, in other words. The insertion of the latch 130 into the positioning hole 111 may cause a problem of angular deviation, which may result in an unsatisfactory operation. Therefore, the present invention is particularly provided with a strip-shaped notch 123 on the working end 120, by which the notch portion 123 is sleeved. The neck portion 1301 is not provided with a fixed connection, and the plug 130 has a margin to correct the direction (vertical direction) of the introduction of the positioning hole 111, so that the positioning action of the pin 130 interferes with the sliding portion 10 can be more accurate and favorable. operating.

Furthermore, in order to make the action of the latch 130 interfere with the sliding portion 10, the present invention further includes a socket 14 in the through hole 100 of the sliding portion 10. Referring to FIG. 2, the socket 14 has a body 140. The surface has a thread 141, and the interior of the body 140 has a corresponding hole 142. As for the wall of the through hole 100, a screwing portion 1000 corresponding to the thread 141 is provided. In use, the body 140 of the socket 14 is screwed into the through hole 100 through the thread 141, so that the body portion 1300 of the pin 130 is provided corresponding to the hole 142, so that when the pin 120 is rotated by the action end 120, only the pin 130 can be rotated. It is restrained to linearly move in the socket 14 without deviation; at the same time, the height of the socket 14 relative to the sliding portion 10 is adjustable through the thread 141, that is, its relative position with the bolt 130 can be corrected to the optimum. Matching status.

In addition, the guide pin 114 that is inserted into the guide hole 113 and has one end fixed to the sliding portion 10 is configured by the elongated guide hole 113 on the positioning portion 11, so that the sliding portion 10 can be displaced. By guiding the guide pin 114 in the guide hole 113, the alignment relationship between the through hole 100 and any of the positioning holes 111 is more reliable and advantageous, and the guide pin 114 can also prevent the sliding portion 10 from being operated. The vehicle is completely separated from the pair of slide rails 110, 110', and the armrest 3 is prevented from being dropped or damaged or injured to the operator.

Prior statement: The implementation method disclosed in this creation is only one of the preferred solutions, and is not intended to limit the content of creation; the equivalent change or retouching of the technical means and features of this creation should still be The scope of the patents mentioned later is covered.

10‧‧‧Sliding section

100‧‧‧Perforation

1000‧‧‧ screwing department

101‧‧‧Free end

102‧‧‧Keyhole

11‧‧‧ Positioning Department

110, 110’‧‧‧ slide rails

111, 111’‧‧‧ positioning holes

112‧‧‧Connected

113‧‧‧ Guide hole

114‧‧‧ Guide bolt

1140‧‧ ‧ one end of the lead

12‧‧‧Operation Department

120‧‧‧Action

121‧‧‧Operation handle

122‧‧‧ raised parts

123‧‧‧Gap section

13‧‧‧Locking Department

130‧‧‧Tram

1300‧‧‧ Body Department

1301‧‧ ‧ neck

1302‧‧‧Resistance Department

1303‧‧‧Interposed Department

131‧‧ ‧ spring

1310‧‧‧One end

1311‧‧‧ Its end

132‧‧‧seat

1320‧‧‧室

1321‧‧‧ casing

1322‧‧‧ openings

14‧‧ ‧ pedestal

140‧‧‧ Ontology

141‧‧ thread

142‧‧‧ corresponding hole

3‧‧‧Handrails

Claims (7)

An adjusting device for a seat armrest, the adjusting device is disposed between the seat and the armrest, and comprises: a sliding portion, the sliding portion has a perforation thereon, and one end of the sliding portion is coupled to the armrest and coupled thereto The opposite end is freely movable for a free end; a positioning portion is fixed to the seat, and has at least a pair of slide rails with compatible sliding portions, and a plurality of positioning holes arranged in the axial direction, The plurality of positioning holes are arranged in parallel with a pair of sliding rails and disposed between the pair of sliding rails; a locking portion having a latch, a spring and a set of seats, corresponding to the perforation of the sliding portion The axial direction is arranged, the latch is controlled to enter the through hole, one end of the spring abuts against the plug, and the end portion abuts in the sleeve, and one end of the sleeve is fixed on the free end of the sliding portion, And an open chamber is arranged at the end, and one side of the sleeve still has an opening that communicates with the chamber; an operating portion has an active end and an operating handle, and the operating handle is used to act The end produces an action in the opposite direction to the applied force, Action end based self-opening sleeve seat projecting into the chamber and having a shape on the acting end portion of the corresponding notch and pin socket to intervene, so that the effect towards the end of the drilling direction may drive the latch operation. The adjusting device for a seat armrest according to claim 1, wherein the latch comprises a body portion, a constricted portion, a resisting portion and an insertion portion in an axial sequence, and the body portion is controlled to enter the perforation. The constricted portion is located between the body portion and the resisting portion, and has a diameter smaller than the main body portion and the resisting portion. The resisting portion is for abutting against the spring, and the interposing portion is for inserting the spring to provide a spring setting. The position and the elastic action are guided, and the strip-shaped notch portion on the operation portion is sleeved on the constricted portion to interfere with the pin. The adjusting device for a seat armrest according to claim 1 or 2, wherein the plurality of positioning holes further have an elongated guide hole parallel to the axial direction and parallel to the plurality of positioning holes, the length of which corresponds to the plurality of positioning holes. The guide hole has a guide pin penetrating therein, and one end of the guide pin is fixed on the sliding portion, and when the sliding portion is displaced, the guide pin moves in the elongated guide hole. The adjusting device for a seat armrest according to claim 1 or 2, wherein a socket is sleeved in the perforation of the sliding portion, the socket has a body, the surface of which has a thread, and the inside of the body has a corresponding hole. As for the wall of the perforation, there is provided a screwing portion corresponding to the thread, and the corresponding hole provides the plug to move here. The adjusting device of the seat armrest according to claim 1 or 2, further comprising a convex portion deformed toward the sliding portion between the working end of the operating portion and the operating handle, the convex portion being in a normal state The sliding portion is in contact. The adjusting device for the seat armrest according to claim 1 or 2, wherein the one of the positioning holes is in communication with the adjacent positioning hole, and the communication portion is always smaller than the diameter of any of the positioning holes. The adjustment device of the seat armrest of claim 1 or 2, wherein the end of the housing has a sleeve that provides spring positioning.